1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2009 VMware, Inc. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * @file 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Code generate the whole fragment pipeline. 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The fragment pipeline consists of the following stages: 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * - early depth test 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * - fragment shader 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * - alpha test 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * - depth/stencil test 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * - blending 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This file has only the glue to assemble the fragment pipeline. The actual 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * plumbing of converting Gallium state into LLVM IR is done elsewhere, in the 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * lp_bld_*.[ch] files, and in a complete generic and reusable way. Here we 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * muster the LLVM JIT execution engine to create a function that follows an 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * established binary interface and that can be called from C directly. 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A big source of complexity here is that we often want to run different 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * stages with different precisions and data types and precisions. For example, 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the fragment shader needs typically to be done in floats, but the 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * depth/stencil test and blending is better done in the type that most closely 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * matches the depth/stencil and color buffer respectively. 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Since the width of a SIMD vector register stays the same regardless of the 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * element type, different types imply different number of elements, so we must 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * code generate more instances of the stages with larger types to be able to 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * feed/consume the stages with smaller types. 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * @author Jose Fonseca <jfonseca@vmware.com> 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <limits.h> 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_defines.h" 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_inlines.h" 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_memory.h" 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_pointer.h" 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_format.h" 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_dump.h" 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_string.h" 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_simple_list.h" 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "os/os_time.h" 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_shader_tokens.h" 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw/draw_context.h" 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_dump.h" 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_scan.h" 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "tgsi/tgsi_parse.h" 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_type.h" 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_const.h" 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_conv.h" 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_init.h" 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_intr.h" 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_logic.h" 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_tgsi.h" 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_swizzle.h" 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_flow.h" 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "gallivm/lp_bld_debug.h" 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_alpha.h" 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_blend.h" 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_depth.h" 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_interp.h" 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_context.h" 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_debug.h" 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_perf.h" 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_setup.h" 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_state.h" 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_tex_sample.h" 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_flush.h" 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_state_fs.h" 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** Fragment shader number (for debugging) */ 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic unsigned fs_no = 0; 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Expand the relevant bits of mask_input to a n*4-dword mask for the 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * n*four pixels in n 2x2 quads. This will set the n*four elements of the 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * quad mask vector to 0 or ~0. 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Grouping is 01, 23 for 2 quad mode hence only 0 and 2 are valid 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * quad arguments with fs length 8. 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param first_quad which quad(s) of the quad group to test, in [0,3] 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param mask_input bitwise mask for the whole 4x4 stamp 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic LLVMValueRef 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggenerate_quad_mask(struct gallivm_state *gallivm, 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type fs_type, 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned first_quad, 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask_input) /* int32 */ 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = gallivm->builder; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type mask_type; 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef i32t = LLVMInt32TypeInContext(gallivm->context); 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef bits[16]; 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask; 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int shift, i; 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX: We'll need a different path for 16 x u8 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(fs_type.width == 32); 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(fs_type.length <= Elements(bits)); 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_type = lp_int_type(fs_type); 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * mask_input >>= (quad * 4) 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (first_quad) { 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 0: 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shift = 0; 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 1: 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(fs_type.length == 4); 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shift = 2; 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 2: 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shift = 8; 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case 3: 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(fs_type.length == 4); 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shift = 10; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shift = 0; 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_input = LLVMBuildLShr(builder, 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_input, 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMConstInt(i32t, shift, 0), 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ""); 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * mask = { mask_input & (1 << i), for i in [0,3] } 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = lp_build_broadcast(gallivm, 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_vec_type(gallivm, mask_type), 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_input); 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < fs_type.length / 4; i++) { 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned j = 2 * (i % 2) + (i / 2) * 8; 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bits[4*i + 0] = LLVMConstInt(i32t, 1 << (j + 0), 0); 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bits[4*i + 1] = LLVMConstInt(i32t, 1 << (j + 1), 0); 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bits[4*i + 2] = LLVMConstInt(i32t, 1 << (j + 4), 0); 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bits[4*i + 3] = LLVMConstInt(i32t, 1 << (j + 5), 0); 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = LLVMBuildAnd(builder, mask, LLVMConstVector(bits, fs_type.length), ""); 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * mask = mask != 0 ? ~0 : 0 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = lp_build_compare(gallivm, 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_type, PIPE_FUNC_NOTEQUAL, 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask, 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_const_int_vec(gallivm, mask_type, 0)); 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return mask; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define EARLY_DEPTH_TEST 0x1 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define LATE_DEPTH_TEST 0x2 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define EARLY_DEPTH_WRITE 0x4 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define LATE_DEPTH_WRITE 0x8 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgfind_output_by_semantic( const struct tgsi_shader_info *info, 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned semantic, 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned index ) 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int i; 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < info->num_outputs; i++) 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (info->output_semantic_name[i] == semantic && 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org info->output_semantic_index[i] == index) 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return i; 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return -1; 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generate the fragment shader, depth/stencil test, and alpha tests. 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param i which quad in the tile, in range [0,3] 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param partial_mask if 1, do mask_input testing 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggenerate_fs(struct gallivm_state *gallivm, 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader, 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct lp_fragment_shader_variant_key *key, 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder, 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type type, 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef context_ptr, 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i, 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_interp_soa_context *interp, 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_sampler_soa *sampler, 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *pmask, 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef (*color)[4], 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef depth_ptr, 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef facing, 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned partial_mask, 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask_input, 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef counter) 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct util_format_description *zs_format_desc = NULL; 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct tgsi_token *tokens = shader->base.tokens; 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef vec_type; 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef consts_ptr; 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS]; 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z; 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef zs_value = NULL; 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef stencil_refs[2]; 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_mask_context mask; 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean simple_shader = (shader->info.base.file_count[TGSI_FILE_SAMPLER] == 0 && 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.num_inputs < 3 && 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.num_instructions < 8); 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned attrib; 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned chan; 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned cbuf; 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned depth_mode; 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_bld_tgsi_system_values system_values; 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(&system_values, 0, sizeof(system_values)); 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->depth.enabled || 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil[0].enabled || 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil[1].enabled) { 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc = util_format_description(key->zsbuf_format); 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(zs_format_desc); 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!shader->info.base.writes_z) { 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->alpha.enabled || shader->info.base.uses_kill) 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* With alpha test and kill, can do the depth test early 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and hopefully eliminate some quads. But need to do a 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * special deferred depth write once the final mask value 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * is known. 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = EARLY_DEPTH_TEST | LATE_DEPTH_WRITE; 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = EARLY_DEPTH_TEST | EARLY_DEPTH_WRITE; 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = LATE_DEPTH_TEST | LATE_DEPTH_WRITE; 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!(key->depth.enabled && key->depth.writemask) && 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !(key->stencil[0].enabled && key->stencil[0].writemask)) 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode &= ~(LATE_DEPTH_WRITE | EARLY_DEPTH_WRITE); 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = 0; 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(i < 4); 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs[0] = lp_jit_context_stencil_ref_front_value(gallivm, context_ptr); 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs[1] = lp_jit_context_stencil_ref_back_value(gallivm, context_ptr); 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vec_type = lp_build_vec_type(gallivm, type); 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org consts_ptr = lp_jit_context_constants(gallivm, context_ptr); 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(outputs, 0, sizeof outputs); 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Declare the color and z variables */ 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org color[cbuf][chan] = lp_build_alloca(gallivm, vec_type, "color"); 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* do triangle edge testing */ 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (partial_mask) { 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *pmask = generate_quad_mask(gallivm, type, 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i*type.length/4, mask_input); 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *pmask = lp_build_const_int_vec(gallivm, type, ~0); 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 'mask' will control execution based on quad's pixel alive/killed state */ 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_begin(&mask, gallivm, type, *pmask); 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!(depth_mode & EARLY_DEPTH_TEST) && !simple_shader) 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_check(&mask); 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_interp_soa_update_pos(interp, gallivm, i*type.length/4); 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z = interp->pos[2]; 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & EARLY_DEPTH_TEST) { 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_stencil_test(gallivm, 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &key->depth, 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil, 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type, 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc, 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs, 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z, 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr, facing, 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &zs_value, 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !simple_shader); 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & EARLY_DEPTH_WRITE) { 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_write(builder, zs_format_desc, depth_ptr, zs_value); 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_interp_soa_update_inputs(interp, gallivm, i*type.length/4); 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Build the actual shader */ 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_tgsi_soa(gallivm, tokens, type, &mask, 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org consts_ptr, &system_values, 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org interp->pos, interp->inputs, 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org outputs, sampler, &shader->info.base); 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Alpha test */ 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->alpha.enabled) { 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int color0 = find_output_by_semantic(&shader->info.base, 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org TGSI_SEMANTIC_COLOR, 350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0); 351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (color0 != -1 && outputs[color0][3]) { 353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct util_format_description *cbuf_format_desc; 354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef alpha = LLVMBuildLoad(builder, outputs[color0][3], "alpha"); 355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef alpha_ref_value; 356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org alpha_ref_value = lp_jit_context_alpha_ref_value(gallivm, context_ptr); 358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org alpha_ref_value = lp_build_broadcast(gallivm, vec_type, alpha_ref_value); 359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cbuf_format_desc = util_format_description(key->cbuf_format[0]); 361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_alpha_test(gallivm, key->alpha.func, type, cbuf_format_desc, 363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, alpha, alpha_ref_value, 364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (depth_mode & LATE_DEPTH_TEST) != 0); 365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Late Z test */ 369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & LATE_DEPTH_TEST) { 370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int pos0 = find_output_by_semantic(&shader->info.base, 371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org TGSI_SEMANTIC_POSITION, 372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0); 373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (pos0 != -1 && outputs[pos0][2]) { 375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z = LLVMBuildLoad(builder, outputs[pos0][2], "output.z"); 376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_stencil_test(gallivm, 379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &key->depth, 380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil, 381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type, 382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc, 383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, 384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs, 385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z, 386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr, facing, 387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &zs_value, 388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !simple_shader); 389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Late Z write */ 390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & LATE_DEPTH_WRITE) { 391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_write(builder, zs_format_desc, depth_ptr, zs_value); 392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if ((depth_mode & EARLY_DEPTH_TEST) && 395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (depth_mode & LATE_DEPTH_WRITE)) 396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Need to apply a reduced mask to the depth write. Reload the 398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * depth value, update from zs_value with the new mask value and 399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * write that out. 400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_deferred_depth_write(gallivm, 402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type, 403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc, 404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, 405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr, 406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_value); 407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Color write */ 411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (attrib = 0; attrib < shader->info.base.num_outputs; ++attrib) 412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (shader->info.base.output_semantic_name[attrib] == TGSI_SEMANTIC_COLOR && 414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.output_semantic_index[attrib] < key->nr_cbufs) 415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned cbuf = shader->info.base.output_semantic_index[attrib]; 417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { 418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(outputs[attrib][chan]) { 419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX: just initialize outputs to point at colors[] and 420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * skip this. 421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); 423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(out, "color%u.%u.%c", i, attrib, "rgba"[chan]); 424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, out, color[cbuf][chan]); 425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (counter) 431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_occlusion_count(gallivm, type, 432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_value(&mask), counter); 433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *pmask = lp_build_mask_end(&mask); 435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generate the fragment shader, depth/stencil test, and alpha tests. 440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggenerate_fs_loop(struct gallivm_state *gallivm, 443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader, 444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct lp_fragment_shader_variant_key *key, 445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder, 446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type type, 447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef context_ptr, 448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef num_loop, 449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_interp_soa_context *interp, 450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_sampler_soa *sampler, 451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask_store, 452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef (*out_color)[4], 453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef depth_ptr, 454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned depth_bits, 455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef facing, 456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef counter) 457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct util_format_description *zs_format_desc = NULL; 459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct tgsi_token *tokens = shader->base.tokens; 460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef vec_type; 461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask_ptr, mask_val; 462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef consts_ptr; 463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z; 464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef zs_value = NULL; 465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef stencil_refs[2]; 466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef depth_ptr_i; 467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef depth_offset; 468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS]; 469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_for_loop_state loop_state; 470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_mask_context mask; 471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean simple_shader = (shader->info.base.file_count[TGSI_FILE_SAMPLER] == 0 && 472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.num_inputs < 3 && 473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.num_instructions < 8); 474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned attrib; 475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned chan; 476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned cbuf; 477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned depth_mode; 478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_bld_tgsi_system_values system_values; 480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(&system_values, 0, sizeof(system_values)); 482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->depth.enabled || 484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil[0].enabled || 485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil[1].enabled) { 486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc = util_format_description(key->zsbuf_format); 488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(zs_format_desc); 489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!shader->info.base.writes_z) { 491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->alpha.enabled || shader->info.base.uses_kill) 492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* With alpha test and kill, can do the depth test early 493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and hopefully eliminate some quads. But need to do a 494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * special deferred depth write once the final mask value 495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * is known. 496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = EARLY_DEPTH_TEST | LATE_DEPTH_WRITE; 498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = EARLY_DEPTH_TEST | EARLY_DEPTH_WRITE; 500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = LATE_DEPTH_TEST | LATE_DEPTH_WRITE; 503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!(key->depth.enabled && key->depth.writemask) && 506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !(key->stencil[0].enabled && key->stencil[0].writemask)) 507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode &= ~(LATE_DEPTH_WRITE | EARLY_DEPTH_WRITE); 508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_mode = 0; 511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 512f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 513f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 514f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs[0] = lp_jit_context_stencil_ref_front_value(gallivm, context_ptr); 515f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs[1] = lp_jit_context_stencil_ref_back_value(gallivm, context_ptr); 516f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 517f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vec_type = lp_build_vec_type(gallivm, type); 518f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 519f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org consts_ptr = lp_jit_context_constants(gallivm, context_ptr); 520f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 521f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_for_loop_begin(&loop_state, gallivm, 522f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_const_int32(gallivm, 0), 523f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMIntULT, 524f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org num_loop, 525f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_const_int32(gallivm, 1)); 526f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 527f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_ptr = LLVMBuildGEP(builder, mask_store, 528f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &loop_state.counter, 1, "mask_ptr"); 529f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_val = LLVMBuildLoad(builder, mask_ptr, ""); 530f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 531f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_offset = LLVMBuildMul(builder, loop_state.counter, 532f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_const_int32(gallivm, depth_bits * type.length), 533f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ""); 534f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 535f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &depth_offset, 1, ""); 536f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 537f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(outputs, 0, sizeof outputs); 538f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 539f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 540f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { 541f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_color[cbuf][chan] = lp_build_array_alloca(gallivm, 542f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_vec_type(gallivm, 543f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type), 544f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org num_loop, "color"); 545f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 546f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 547f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 548f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 549f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 550f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 'mask' will control execution based on quad's pixel alive/killed state */ 551f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_begin(&mask, gallivm, type, mask_val); 552f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 553f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!(depth_mode & EARLY_DEPTH_TEST) && !simple_shader) 554f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_check(&mask); 555f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 556f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_interp_soa_update_pos_dyn(interp, gallivm, loop_state.counter); 557f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z = interp->pos[2]; 558f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 559f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & EARLY_DEPTH_TEST) { 560f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_stencil_test(gallivm, 561f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &key->depth, 562f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil, 563f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type, 564f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc, 565f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, 566f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs, 567f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z, 568f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr_i, facing, 569f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &zs_value, 570f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !simple_shader); 571f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 572f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & EARLY_DEPTH_WRITE) { 573f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_write(builder, zs_format_desc, depth_ptr_i, zs_value); 574f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 575f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 576f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 577f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_interp_soa_update_inputs_dyn(interp, gallivm, loop_state.counter); 578f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 579f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Build the actual shader */ 580f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_tgsi_soa(gallivm, tokens, type, &mask, 581f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org consts_ptr, &system_values, 582f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org interp->pos, interp->inputs, 583f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org outputs, sampler, &shader->info.base); 584f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 585f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Alpha test */ 586f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->alpha.enabled) { 587f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int color0 = find_output_by_semantic(&shader->info.base, 588f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org TGSI_SEMANTIC_COLOR, 589f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0); 590f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 591f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (color0 != -1 && outputs[color0][3]) { 592f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct util_format_description *cbuf_format_desc; 593f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef alpha = LLVMBuildLoad(builder, outputs[color0][3], "alpha"); 594f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef alpha_ref_value; 595f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 596f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org alpha_ref_value = lp_jit_context_alpha_ref_value(gallivm, context_ptr); 597f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org alpha_ref_value = lp_build_broadcast(gallivm, vec_type, alpha_ref_value); 598f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 599f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cbuf_format_desc = util_format_description(key->cbuf_format[0]); 600f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 601f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_alpha_test(gallivm, key->alpha.func, type, cbuf_format_desc, 602f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, alpha, alpha_ref_value, 603f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (depth_mode & LATE_DEPTH_TEST) != 0); 604f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 605f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 606f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 607f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Late Z test */ 608f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & LATE_DEPTH_TEST) { 609f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int pos0 = find_output_by_semantic(&shader->info.base, 610f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org TGSI_SEMANTIC_POSITION, 611f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0); 612f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 613f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (pos0 != -1 && outputs[pos0][2]) { 614f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z = LLVMBuildLoad(builder, outputs[pos0][2], "output.z"); 615f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 616f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 617f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_stencil_test(gallivm, 618f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &key->depth, 619f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->stencil, 620f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type, 621f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc, 622f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, 623f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil_refs, 624f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z, 625f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr_i, facing, 626f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &zs_value, 627f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !simple_shader); 628f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Late Z write */ 629f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_mode & LATE_DEPTH_WRITE) { 630f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_depth_write(builder, zs_format_desc, depth_ptr_i, zs_value); 631f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 632f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 633f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if ((depth_mode & EARLY_DEPTH_TEST) && 634f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (depth_mode & LATE_DEPTH_WRITE)) 635f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 636f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Need to apply a reduced mask to the depth write. Reload the 637f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * depth value, update from zs_value with the new mask value and 638f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * write that out. 639f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 640f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_deferred_depth_write(gallivm, 641f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type, 642f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc, 643f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &mask, 644f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr_i, 645f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_value); 646f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 647f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 648f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 649f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Color write */ 650f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (attrib = 0; attrib < shader->info.base.num_outputs; ++attrib) 651f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 652f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (shader->info.base.output_semantic_name[attrib] == TGSI_SEMANTIC_COLOR && 653f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.output_semantic_index[attrib] < key->nr_cbufs) 654f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 655f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned cbuf = shader->info.base.output_semantic_index[attrib]; 656f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { 657f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(outputs[attrib][chan]) { 658f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX: just initialize outputs to point at colors[] and 659f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * skip this. 660f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 661f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); 662f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef color_ptr; 663f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org color_ptr = LLVMBuildGEP(builder, out_color[cbuf][chan], 664f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &loop_state.counter, 1, ""); 665f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(out, "color%u.%c", attrib, "rgba"[chan]); 666f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, out, color_ptr); 667f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 668f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 669f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 670f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 671f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 672f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->occlusion_count) { 673f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(counter, "counter"); 674f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_occlusion_count(gallivm, type, 675f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_value(&mask), counter); 676f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 677f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 678f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_val = lp_build_mask_end(&mask); 679f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, mask_val, mask_ptr); 680f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_for_loop_end(&loop_state); 681f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 682f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 683f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 684f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 685f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generate color blending and color output. 686f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param rt the render target index (to index blend, colormask state) 687f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param type the pixel color type 688f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param context_ptr pointer to the runtime JIT context 689f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param mask execution mask (active fragment/pixel mask) 690f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param src colors from the fragment shader 691f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param dst_ptr the destination color buffer pointer 692f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 693f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 694f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggenerate_blend(struct gallivm_state *gallivm, 695f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_blend_state *blend, 696f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned rt, 697f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder, 698f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type type, 699f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef context_ptr, 700f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask, 701f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *src, 702f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef dst_ptr, 703f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean do_branch) 704f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 705f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context bld; 706f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_mask_context mask_ctx; 707f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef vec_type; 708f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef const_ptr; 709f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef con[4]; 710f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef dst[4]; 711f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef res[4]; 712f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned chan; 713f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 714f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&bld, gallivm, type); 715f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 716f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_begin(&mask_ctx, gallivm, type, mask); 717f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (do_branch) 718f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_check(&mask_ctx); 719f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 720f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org vec_type = lp_build_vec_type(gallivm, type); 721f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 722f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const_ptr = lp_jit_context_blend_color(gallivm, context_ptr); 723f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const_ptr = LLVMBuildBitCast(builder, const_ptr, 724f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMPointerType(vec_type, 0), ""); 725f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 726f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* load constant blend color and colors from the dest color buffer */ 727f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(chan = 0; chan < 4; ++chan) { 728f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef index = lp_build_const_int32(gallivm, chan); 729f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 730f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 731f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 732f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 733f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(con[chan], "con.%c", "rgba"[chan]); 734f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 735f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 736f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 737f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* do blend */ 738f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_blend_soa(gallivm, blend, type, rt, src, dst, con, res); 739f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 740f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* store results to color buffer */ 741f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(chan = 0; chan < 4; ++chan) { 742f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(blend->rt[rt].colormask & (1 << chan)) { 743f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef index = lp_build_const_int32(gallivm, chan); 744f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(res[chan], "res.%c", "rgba"[chan]); 745f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 746f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 747f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 748f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 749f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 750f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mask_end(&mask_ctx); 751f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 752f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 753f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 754f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 755f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generate the runtime callable function for the whole fragment pipeline. 756f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Note that the function which we generate operates on a block of 16 757f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * pixels at at time. The block contains 2x2 quads. Each quad contains 758f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 2x2 pixels. 759f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 760f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 761f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggenerate_fragment(struct llvmpipe_context *lp, 762f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader, 763f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader_variant *variant, 764f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned partial_mask) 765f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 766f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gallivm_state *gallivm = variant->gallivm; 767f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct lp_fragment_shader_variant_key *key = &variant->key; 768f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_shader_input inputs[PIPE_MAX_SHADER_INPUTS]; 769f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char func_name[256]; 770f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type fs_type; 771f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type blend_type; 772f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef fs_elem_type; 773f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef blend_vec_type; 774f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef arg_types[11]; 775f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef func_type; 776f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef int32_type = LLVMInt32TypeInContext(gallivm->context); 777f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef int8_type = LLVMInt8TypeInContext(gallivm->context); 778f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef context_ptr; 779f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x; 780f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef y; 781f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef a0_ptr; 782f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef dadx_ptr; 783f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef dady_ptr; 784f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef color_ptr_ptr; 785f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef depth_ptr; 786f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask_input; 787f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef counter = NULL; 788f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBasicBlockRef block; 789f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder; 790f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_sampler_soa *sampler; 791f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_interp_soa_context interp; 792f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef fs_mask[16 / 4]; 793f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][TGSI_NUM_CHANNELS][16 / 4]; 794f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef blend_mask; 795f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef function; 796f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef facing; 797f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct util_format_description *zs_format_desc; 798f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned num_fs; 799f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 800f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned chan; 801f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned cbuf; 802f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean cbuf0_write_all; 803f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean try_loop = TRUE; 804f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 805f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(lp_native_vector_width / 32 >= 4); 806f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 807f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Adjust color input interpolation according to flatshade state: 808f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 809f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(inputs, shader->inputs, shader->info.base.num_inputs * sizeof inputs[0]); 810f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < shader->info.base.num_inputs; i++) { 811f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (inputs[i].interp == LP_INTERP_COLOR) { 812f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->flatshade) 813f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inputs[i].interp = LP_INTERP_CONSTANT; 814f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 815f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inputs[i].interp = LP_INTERP_PERSPECTIVE; 816f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 817f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 818f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 819f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* check if writes to cbuf[0] are to be copied to all cbufs */ 820f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cbuf0_write_all = FALSE; 821f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0;i < shader->info.base.num_properties; i++) { 822f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (shader->info.base.properties[i].name == 823f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS) { 824f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cbuf0_write_all = TRUE; 825f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 826f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 827f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 828f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 829f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* TODO: actually pick these based on the fs and color buffer 830f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * characteristics. */ 831f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 832f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(&fs_type, 0, sizeof fs_type); 833f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_type.floating = TRUE; /* floating point values */ 834f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_type.sign = TRUE; /* values are signed */ 835f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 836f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_type.width = 32; /* 32-bit float */ 837f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_type.length = MIN2(lp_native_vector_width / 32, 16); /* n*4 elements per vector */ 838f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org num_fs = 16 / fs_type.length; /* number of loops per 4x4 stamp */ 839f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 840f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(&blend_type, 0, sizeof blend_type); 841f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_type.floating = FALSE; /* values are integers */ 842f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_type.sign = FALSE; /* values are unsigned */ 843f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 844f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_type.width = 8; /* 8-bit ubyte values */ 845f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_type.length = 16; /* 16 elements per vector */ 846f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 847f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 848f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generate the function prototype. Any change here must be reflected in 849f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 850f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 851f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 852f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_elem_type = lp_build_elem_type(gallivm, fs_type); 853f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 854f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_vec_type = lp_build_vec_type(gallivm, blend_type); 855f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 856f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_snprintf(func_name, sizeof(func_name), "fs%u_variant%u_%s", 857f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->no, variant->no, partial_mask ? "partial" : "whole"); 858f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 859f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[0] = variant->jit_context_ptr_type; /* context */ 860f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[1] = int32_type; /* x */ 861f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[2] = int32_type; /* y */ 862f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[3] = int32_type; /* facing */ 863f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 864f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 865f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[6] = LLVMPointerType(fs_elem_type, 0); /* dady */ 866f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[7] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 867f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[8] = LLVMPointerType(int8_type, 0); /* depth */ 868f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[9] = int32_type; /* mask_input */ 869f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types[10] = LLVMPointerType(int32_type, 0); /* counter */ 870f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 871f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org func_type = LLVMFunctionType(LLVMVoidTypeInContext(gallivm->context), 872f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org arg_types, Elements(arg_types), 0); 873f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 874f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org function = LLVMAddFunction(gallivm->module, func_name, func_type); 875f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMSetFunctionCallConv(function, LLVMCCallConv); 876f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 877f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->function[partial_mask] = function; 878f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 879f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX: need to propagate noalias down into color param now we are 880f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * passing a pointer-to-pointer? 881f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 882f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(i = 0; i < Elements(arg_types); ++i) 883f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 884f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 885f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 886f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org context_ptr = LLVMGetParam(function, 0); 887f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x = LLVMGetParam(function, 1); 888f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y = LLVMGetParam(function, 2); 889f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org facing = LLVMGetParam(function, 3); 890f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org a0_ptr = LLVMGetParam(function, 4); 891f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org dadx_ptr = LLVMGetParam(function, 5); 892f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org dady_ptr = LLVMGetParam(function, 6); 893f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org color_ptr_ptr = LLVMGetParam(function, 7); 894f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr = LLVMGetParam(function, 8); 895f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_input = LLVMGetParam(function, 9); 896f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 897f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(context_ptr, "context"); 898f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(x, "x"); 899f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(y, "y"); 900f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(a0_ptr, "a0"); 901f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(dadx_ptr, "dadx"); 902f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(dady_ptr, "dady"); 903f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(color_ptr_ptr, "color_ptr_ptr"); 904f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(depth_ptr, "depth"); 905f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(mask_input, "mask_input"); 906f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 907f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->occlusion_count) { 908f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org counter = LLVMGetParam(function, 10); 909f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(counter, "counter"); 910f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 911f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 912f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 913f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Function body 914f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 915f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 916f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org block = LLVMAppendBasicBlockInContext(gallivm->context, function, "entry"); 917f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org builder = gallivm->builder; 918f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(builder); 919f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMPositionBuilderAtEnd(builder, block); 920f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 921f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* code generated texture sampling */ 922f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 923f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 924f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org zs_format_desc = util_format_description(key->zsbuf_format); 925f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 926f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!try_loop) { 927f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 928f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The shader input interpolation info is not explicitely baked in the 929f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * shader key, but everything it derives from (TGSI, and flatshade) is 930f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * already included in the shader key. 931f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 932f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_interp_soa_init(&interp, 933f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm, 934f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.num_inputs, 935f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inputs, 936f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org builder, fs_type, 937f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FALSE, 938f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org a0_ptr, dadx_ptr, dady_ptr, 939f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x, y); 940f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 941f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* loop over quads in the block */ 942f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(i = 0; i < num_fs; ++i) { 943f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef depth_offset = LLVMConstInt(int32_type, 944f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i*fs_type.length*zs_format_desc->block.bits/8, 945f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0); 946f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][TGSI_NUM_CHANNELS]; 947f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef depth_ptr_i; 948f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 949f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &depth_offset, 1, ""); 950f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 951f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org generate_fs(gallivm, 952f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader, key, 953f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org builder, 954f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_type, 955f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org context_ptr, 956f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i, 957f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &interp, 958f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sampler, 959f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &fs_mask[i], /* output */ 960f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_color, 961f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr_i, 962f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org facing, 963f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org partial_mask, 964f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_input, 965f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org counter); 966f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 967f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 968f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) 969f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_out_color[cbuf][chan][i] = 970f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_color[cbuf * !cbuf0_write_all][chan]; 971f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 972f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 973f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 974f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned depth_bits = zs_format_desc->block.bits/8; 975f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef num_loop = lp_build_const_int32(gallivm, num_fs); 976f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef mask_type = lp_build_int_vec_type(gallivm, fs_type); 977f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask_store = lp_build_array_alloca(gallivm, mask_type, 978f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org num_loop, "mask_store"); 979f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef color_store[PIPE_MAX_COLOR_BUFS][TGSI_NUM_CHANNELS]; 980f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 981f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 982f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The shader input interpolation info is not explicitely baked in the 983f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * shader key, but everything it derives from (TGSI, and flatshade) is 984f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * already included in the shader key. 985f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 986f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_interp_soa_init(&interp, 987f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm, 988f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->info.base.num_inputs, 989f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org inputs, 990f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org builder, fs_type, 991f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org TRUE, 992f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org a0_ptr, dadx_ptr, dady_ptr, 993f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x, y); 994f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 995f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < num_fs; i++) { 996f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask; 997f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef indexi = lp_build_const_int32(gallivm, i); 998f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask_ptr = LLVMBuildGEP(builder, mask_store, 999f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &indexi, 1, "mask_ptr"); 1000f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1001f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (partial_mask) { 1002f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = generate_quad_mask(gallivm, fs_type, 1003f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i*fs_type.length/4, mask_input); 1004f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1005f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1006f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = lp_build_const_int_vec(gallivm, fs_type, ~0); 1007f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1008f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, mask, mask_ptr); 1009f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1010f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1011f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org generate_fs_loop(gallivm, 1012f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader, key, 1013f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org builder, 1014f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_type, 1015f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org context_ptr, 1016f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org num_loop, 1017f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &interp, 1018f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sampler, 1019f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask_store, /* output */ 1020f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org color_store, 1021f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_ptr, 1022f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_bits, 1023f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org facing, 1024f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org counter); 1025f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1026f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < num_fs; i++) { 1027f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef indexi = lp_build_const_int32(gallivm, i); 1028f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef ptr = LLVMBuildGEP(builder, mask_store, 1029f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &indexi, 1, ""); 1030f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_mask[i] = LLVMBuildLoad(builder, ptr, "mask"); 1031f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* This is fucked up need to reorganize things */ 1032f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 1033f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { 1034f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ptr = LLVMBuildGEP(builder, 1035f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org color_store[cbuf * !cbuf0_write_all][chan], 1036f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &indexi, 1, ""); 1037f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_out_color[cbuf][chan][i] = ptr; 1038f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1039f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1040f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1041f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1042f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1043f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sampler->destroy(sampler); 1044f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1045f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Loop over color outputs / color buffers to do blending. 1046f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1047f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 1048f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef color_ptr; 1049f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef index = lp_build_const_int32(gallivm, cbuf); 1050f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef blend_in_color[TGSI_NUM_CHANNELS]; 1051f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned rt; 1052f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1053f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1054f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Convert the fs's output color and mask to fit to the blending type. 1055f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1056f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) { 1057f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef fs_color_vals[LP_MAX_VECTOR_LENGTH]; 1058f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1059f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < num_fs; i++) { 1060f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_color_vals[i] = 1061f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildLoad(builder, fs_out_color[cbuf][chan][i], "fs_color_vals"); 1062f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1063f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1064f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_conv(gallivm, fs_type, blend_type, 1065f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_color_vals, 1066f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org num_fs, 1067f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &blend_in_color[chan], 1); 1068f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1069f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 1070f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1071f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1072f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (partial_mask || !variant->opaque) { 1073f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_conv_mask(variant->gallivm, fs_type, blend_type, 1074f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fs_mask, num_fs, 1075f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &blend_mask, 1); 1076f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 1077f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_mask = lp_build_const_int_vec(variant->gallivm, blend_type, ~0); 1078f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1079f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1080f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org color_ptr = LLVMBuildLoad(builder, 1081f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 1082f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ""); 1083f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_name(color_ptr, "color_ptr%d", cbuf); 1084f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1085f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* which blend/colormask state to use */ 1086f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rt = key->blend.independent_blend_enable ? cbuf : 0; 1087f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1088f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1089f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Blending. 1090f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1091f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 1092f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Could the 4x4 have been killed? 1093f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1094f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean do_branch = ((key->depth.enabled || key->stencil[0].enabled) && 1095f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !key->alpha.enabled && 1096f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !shader->info.base.uses_kill); 1097f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1098f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org generate_blend(variant->gallivm, 1099f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &key->blend, 1100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rt, 1101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org builder, 1102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_type, 1103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org context_ptr, 1104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_mask, 1105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_in_color, 1106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org color_ptr, 1107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org do_branch); 1108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildRetVoid(builder); 1112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm_verify_function(gallivm, function); 1114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->nr_instrs += lp_build_count_instructions(function); 1116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 1120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdump_fs_variant_key(const struct lp_fragment_shader_variant_key *key) 1121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 1123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("fs variant %p:\n", (void *) key); 1125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->flatshade) { 1127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("flatshade = 1\n"); 1128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < key->nr_cbufs; ++i) { 1130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("cbuf_format[%u] = %s\n", i, util_format_name(key->cbuf_format[i])); 1131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->depth.enabled) { 1133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("depth.format = %s\n", util_format_name(key->zsbuf_format)); 1134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("depth.func = %s\n", util_dump_func(key->depth.func, TRUE)); 1135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("depth.writemask = %u\n", key->depth.writemask); 1136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < 2; ++i) { 1139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->stencil[i].enabled) { 1140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("stencil[%u].func = %s\n", i, util_dump_func(key->stencil[i].func, TRUE)); 1141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("stencil[%u].fail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].fail_op, TRUE)); 1142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("stencil[%u].zpass_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zpass_op, TRUE)); 1143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("stencil[%u].zfail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zfail_op, TRUE)); 1144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("stencil[%u].valuemask = 0x%x\n", i, key->stencil[i].valuemask); 1145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("stencil[%u].writemask = 0x%x\n", i, key->stencil[i].writemask); 1146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->alpha.enabled) { 1150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("alpha.func = %s\n", util_dump_func(key->alpha.func, TRUE)); 1151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->occlusion_count) { 1154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("occlusion_count = 1\n"); 1155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->blend.logicop_enable) { 1158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.logicop_func = %s\n", util_dump_logicop(key->blend.logicop_func, TRUE)); 1159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (key->blend.rt[0].blend_enable) { 1161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.rgb_func = %s\n", util_dump_blend_func (key->blend.rt[0].rgb_func, TRUE)); 1162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.rgb_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_src_factor, TRUE)); 1163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.rgb_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_dst_factor, TRUE)); 1164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.alpha_func = %s\n", util_dump_blend_func (key->blend.rt[0].alpha_func, TRUE)); 1165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.alpha_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_src_factor, TRUE)); 1166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.alpha_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_dst_factor, TRUE)); 1167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("blend.colormask = 0x%x\n", key->blend.rt[0].colormask); 1169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < key->nr_samplers; ++i) { 1170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("sampler[%u] = \n", i); 1171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .format = %s\n", 1172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_format_name(key->sampler[i].format)); 1173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .target = %s\n", 1174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dump_tex_target(key->sampler[i].target, TRUE)); 1175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .pot = %u %u %u\n", 1176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->sampler[i].pot_width, 1177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->sampler[i].pot_height, 1178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->sampler[i].pot_depth); 1179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .wrap = %s %s %s\n", 1180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 1181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 1182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 1183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .min_img_filter = %s\n", 1184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 1185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .min_mip_filter = %s\n", 1186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 1187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .mag_img_filter = %s\n", 1188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 1189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 1190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .compare_func = %s\n", util_dump_func(key->sampler[i].compare_func, TRUE)); 1191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 1192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .min_max_lod_equal = %u\n", key->sampler[i].min_max_lod_equal); 1193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .lod_bias_non_zero = %u\n", key->sampler[i].lod_bias_non_zero); 1194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .apply_min_lod = %u\n", key->sampler[i].apply_min_lod); 1195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" .apply_max_lod = %u\n", key->sampler[i].apply_max_lod); 1196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 1201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_debug_fs_variant(const struct lp_fragment_shader_variant *variant) 1202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("llvmpipe: Fragment shader #%u variant #%u:\n", 1204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->shader->no, variant->no); 1205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tgsi_dump(variant->shader->base.tokens, 0); 1206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org dump_fs_variant_key(&variant->key); 1207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("variant->opaque = %u\n", variant->opaque); 1208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("\n"); 1209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generate a new fragment shader variant from the shader code and 1214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * other state indicated by the key. 1215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct lp_fragment_shader_variant * 1217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggenerate_variant(struct llvmpipe_context *lp, 1218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader, 1219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct lp_fragment_shader_variant_key *key) 1220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader_variant *variant; 1222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct util_format_description *cbuf0_format_desc; 1223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean fullcolormask; 1224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant = CALLOC_STRUCT(lp_fragment_shader_variant); 1226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!variant) 1227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 1228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->gallivm = gallivm_create(); 1230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!variant->gallivm) { 1231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(variant); 1232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 1233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->shader = shader; 1236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->list_item_global.base = variant; 1237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->list_item_local.base = variant; 1238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->no = shader->variants_created++; 1239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(&variant->key, key, shader->variant_key_size); 1241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Determine whether we are touching all channels in the color buffer. 1244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fullcolormask = FALSE; 1246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (key->nr_cbufs == 1) { 1247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cbuf0_format_desc = util_format_description(key->cbuf_format[0]); 1248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fullcolormask = util_format_colormask_full(cbuf0_format_desc, key->blend.rt[0].colormask); 1249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->opaque = 1252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !key->blend.logicop_enable && 1253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !key->blend.rt[0].blend_enable && 1254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fullcolormask && 1255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !key->stencil[0].enabled && 1256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !key->alpha.enabled && 1257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !key->depth.enabled && 1258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !shader->info.base.uses_kill 1259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ? TRUE : FALSE; 1260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ((LP_DEBUG & DEBUG_FS) || (gallivm_debug & GALLIVM_DEBUG_IR)) { 1263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_debug_fs_variant(variant); 1264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_jit_init_types(variant); 1267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant->jit_function[RAST_EDGE_TEST] == NULL) 1269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org generate_fragment(lp, shader, variant, RAST_EDGE_TEST); 1270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant->jit_function[RAST_WHOLE] == NULL) { 1272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant->opaque) { 1273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Specialized shader, which doesn't need to read the color buffer. */ 1274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org generate_fragment(lp, shader, variant, RAST_WHOLE); 1275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Compile everything 1280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm_compile_module(variant->gallivm); 1283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant->function[RAST_EDGE_TEST]) { 1285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->jit_function[RAST_EDGE_TEST] = (lp_jit_frag_func) 1286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm_jit_function(variant->gallivm, 1287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->function[RAST_EDGE_TEST]); 1288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant->function[RAST_WHOLE]) { 1291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->jit_function[RAST_WHOLE] = (lp_jit_frag_func) 1292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm_jit_function(variant->gallivm, 1293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->function[RAST_WHOLE]); 1294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (!variant->jit_function[RAST_WHOLE]) { 1295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->jit_function[RAST_WHOLE] = variant->jit_function[RAST_EDGE_TEST]; 1296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return variant; 1299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void * 1303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_create_fs_state(struct pipe_context *pipe, 1304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_shader_state *templ) 1305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader; 1308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int nr_samplers; 1309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int i; 1310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader = CALLOC_STRUCT(lp_fragment_shader); 1312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!shader) 1313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 1314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->no = fs_no++; 1316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org make_empty_list(&shader->variants); 1317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* get/save the summary info for this shader */ 1319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_tgsi_info(templ->tokens, &shader->info); 1320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* we need to keep a local copy of the tokens */ 1322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->base.tokens = tgsi_dup_tokens(templ->tokens); 1323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->draw_data = draw_create_fragment_shader(llvmpipe->draw, templ); 1325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (shader->draw_data == NULL) { 1326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE((void *) shader->base.tokens); 1327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(shader); 1328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 1329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nr_samplers = shader->info.base.file_max[TGSI_FILE_SAMPLER] + 1; 1332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->variant_key_size = Offset(struct lp_fragment_shader_variant_key, 1334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sampler[nr_samplers]); 1335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < shader->info.base.num_inputs; i++) { 1337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].usage_mask = shader->info.base.input_usage_mask[i]; 1338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].cyl_wrap = shader->info.base.input_cylindrical_wrap[i]; 1339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (shader->info.base.input_interpolate[i]) { 1341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_INTERPOLATE_CONSTANT: 1342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].interp = LP_INTERP_CONSTANT; 1343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_INTERPOLATE_LINEAR: 1345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].interp = LP_INTERP_LINEAR; 1346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_INTERPOLATE_PERSPECTIVE: 1348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].interp = LP_INTERP_PERSPECTIVE; 1349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_INTERPOLATE_COLOR: 1351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].interp = LP_INTERP_COLOR; 1352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 1354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 1355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (shader->info.base.input_semantic_name[i]) { 1359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_FACE: 1360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].interp = LP_INTERP_FACING; 1361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case TGSI_SEMANTIC_POSITION: 1363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Position was already emitted above 1364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].interp = LP_INTERP_POSITION; 1366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].src_index = 0; 1367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org continue; 1368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->inputs[i].src_index = i+1; 1371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (LP_DEBUG & DEBUG_TGSI) { 1374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned attrib; 1375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("llvmpipe: Create fragment shader #%u %p:\n", 1376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->no, (void *) shader); 1377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org tgsi_dump(templ->tokens, 0); 1378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("usage masks:\n"); 1379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (attrib = 0; attrib < shader->info.base.num_inputs; ++attrib) { 1380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned usage_mask = shader->info.base.input_usage_mask[attrib]; 1381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf(" IN[%u].%s%s%s%s\n", 1382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org attrib, 1383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage_mask & TGSI_WRITEMASK_X ? "x" : "", 1384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage_mask & TGSI_WRITEMASK_Y ? "y" : "", 1385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage_mask & TGSI_WRITEMASK_Z ? "z" : "", 1386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage_mask & TGSI_WRITEMASK_W ? "w" : ""); 1387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("\n"); 1389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return shader; 1392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 1396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 1397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (llvmpipe->fs == fs) 1401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 1402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_flush(llvmpipe->draw); 1404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->fs = (struct lp_fragment_shader *) fs; 1406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_bind_fragment_shader(llvmpipe->draw, 1408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (llvmpipe->fs ? llvmpipe->fs->draw_data : NULL)); 1409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->dirty |= LP_NEW_FS; 1411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Remove shader variant from two lists: the shader's variant list 1416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and the context's variant list. 1417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 1419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_remove_shader_variant(struct llvmpipe_context *lp, 1420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader_variant *variant) 1421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 1423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (gallivm_debug & GALLIVM_DEBUG_IR) { 1425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("llvmpipe: del fs #%u var #%u v created #%u v cached" 1426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org " #%u v total cached #%u\n", 1427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->shader->no, 1428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->no, 1429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->shader->variants_created, 1430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->shader->variants_cached, 1431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_variants); 1432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* free all the variant's JIT'd functions */ 1435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < Elements(variant->function); i++) { 1436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant->function[i]) { 1437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm_free_function(variant->gallivm, 1438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->function[i], 1439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->jit_function[i]); 1440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gallivm_destroy(variant->gallivm); 1444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* remove from shader's list */ 1446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org remove_from_list(&variant->list_item_local); 1447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant->shader->variants_cached--; 1448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* remove from context's list */ 1450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org remove_from_list(&variant->list_item_global); 1451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_variants--; 1452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_instrs -= variant->nr_instrs; 1453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(variant); 1455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 1459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 1460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader = fs; 1463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fs_variant_list_item *li; 1464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(fs != llvmpipe->fs); 1466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX: we need to flush the context until we have some sort of reference 1469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * counting in fragment shaders as they may still be binned 1470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Flushing alone might not sufficient we need to wait on it too. 1471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_finish(pipe, __FUNCTION__); 1473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Delete all the variants */ 1475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org li = first_elem(&shader->variants); 1476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org while(!at_end(&shader->variants, li)) { 1477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fs_variant_list_item *next = next_elem(li); 1478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_remove_shader_variant(llvmpipe, li->base); 1479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org li = next; 1480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Delete draw module's data */ 1483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_delete_fragment_shader(llvmpipe->draw, shader->draw_data); 1484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(shader->variants_cached == 0); 1486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE((void *) shader->base.tokens); 1487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(shader); 1488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 1493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_set_constant_buffer(struct pipe_context *pipe, 1494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint shader, uint index, 1495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_constant_buffer *cb) 1496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource *constants = cb ? cb->buffer : NULL; 1499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned size; 1500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const void *data; 1501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (cb && cb->user_buffer) { 1503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org constants = llvmpipe_user_buffer_create(pipe->screen, 1504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (void *) cb->user_buffer, 1505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cb->buffer_size, 1506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_CONSTANT_BUFFER); 1507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size = constants ? constants->width0 : 0; 1510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data = constants ? llvmpipe_resource_data(constants) : NULL; 1511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1512f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(shader < PIPE_SHADER_TYPES); 1513f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(index < PIPE_MAX_CONSTANT_BUFFERS); 1514f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1515f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(llvmpipe->constants[shader][index] == constants) 1516f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 1517f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1518f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_flush(llvmpipe->draw); 1519f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1520f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* note: reference counting */ 1521f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(&llvmpipe->constants[shader][index], constants); 1522f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1523f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(shader == PIPE_SHADER_VERTEX || 1524f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader == PIPE_SHADER_GEOMETRY) { 1525f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mapped_constant_buffer(llvmpipe->draw, shader, 1526f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org index, data, size); 1527f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1528f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1529f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->dirty |= LP_NEW_CONSTANTS; 1530f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1531f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (cb && cb->user_buffer) { 1532f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(&constants, NULL); 1533f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1534f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1535f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1536f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1537f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1538f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return the blend factor equivalent to a destination alpha of one. 1539f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1540f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE unsigned 1541f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgforce_dst_alpha_one(unsigned factor) 1542f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1543f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch(factor) { 1544f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_BLENDFACTOR_DST_ALPHA: 1545f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_BLENDFACTOR_ONE; 1546f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_BLENDFACTOR_INV_DST_ALPHA: 1547f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_BLENDFACTOR_ZERO; 1548f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 1549f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_BLENDFACTOR_ZERO; 1550f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1551f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1552f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return factor; 1553f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1554f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1555f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1556f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1557f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * We need to generate several variants of the fragment pipeline to match 1558f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * all the combinations of the contributing state atoms. 1559f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 1560f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TODO: there is actually no reason to tie this to context state -- the 1561f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * generated code could be cached globally in the screen. 1562f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1563f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 1564f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmake_variant_key(struct llvmpipe_context *lp, 1565f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader, 1566f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader_variant_key *key) 1567f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1568f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 1569f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1570f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(key, 0, shader->variant_key_size); 1571f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1572f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lp->framebuffer.zsbuf) { 1573f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lp->depth_stencil->depth.enabled) { 1574f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->zsbuf_format = lp->framebuffer.zsbuf->format; 1575f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 1576f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1577f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lp->depth_stencil->stencil[0].enabled) { 1578f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->zsbuf_format = lp->framebuffer.zsbuf->format; 1579f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(&key->stencil, &lp->depth_stencil->stencil, sizeof key->stencil); 1580f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1581f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1582f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1583f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1584f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(key->alpha.enabled) 1585f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->alpha.func = lp->depth_stencil->alpha.func; 1586f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* alpha.ref_value is passed in jit_context */ 1587f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1588f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->flatshade = lp->rasterizer->flatshade; 1589f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lp->active_query_count) { 1590f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->occlusion_count = TRUE; 1591f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1592f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1593f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lp->framebuffer.nr_cbufs) { 1594f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(&key->blend, lp->blend, sizeof key->blend); 1595f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1596f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1597f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->nr_cbufs = lp->framebuffer.nr_cbufs; 1598f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 1599f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_format format = lp->framebuffer.cbufs[i]->format; 1600f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_rt_blend_state *blend_rt = &key->blend.rt[i]; 1601f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct util_format_description *format_desc; 1602f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1603f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->cbuf_format[i] = format; 1604f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1605f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format_desc = util_format_description(format); 1606f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB || 1607f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB); 1608f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1609f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_rt->colormask = lp->blend->rt[i].colormask; 1610f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1611f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1612f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mask out color channels not present in the color buffer. 1613f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1614f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_rt->colormask &= util_format_colormask(format_desc); 1615f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1616f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1617f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Our swizzled render tiles always have an alpha channel, but the linear 1618f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * render target format often does not, so force here the dst alpha to be 1619f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * one. 1620f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 1621f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This is not a mere optimization. Wrong results will be produced if the 1622f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * dst alpha is used, the dst format does not have alpha, and the previous 1623f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * rendering was not flushed from the swizzled to linear buffer. For 1624f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * example, NonPowTwo DCT. 1625f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 1626f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TODO: This should be generalized to all channels for better 1627f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * performance, but only alpha causes correctness issues. 1628f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 1629f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Also, force rgb/alpha func/factors match, to make AoS blending easier. 1630f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1631f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (format_desc->swizzle[3] > UTIL_FORMAT_SWIZZLE_W || 1632f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format_desc->swizzle[3] == format_desc->swizzle[0]) { 1633f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_rt->rgb_src_factor = force_dst_alpha_one(blend_rt->rgb_src_factor); 1634f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_rt->rgb_dst_factor = force_dst_alpha_one(blend_rt->rgb_dst_factor); 1635f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_rt->alpha_func = blend_rt->rgb_func; 1636f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_rt->alpha_src_factor = blend_rt->rgb_src_factor; 1637f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org blend_rt->alpha_dst_factor = blend_rt->rgb_dst_factor; 1638f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1639f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1640f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1641f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* This value will be the same for all the variants of a given shader: 1642f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1643f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org key->nr_samplers = shader->info.base.file_max[TGSI_FILE_SAMPLER] + 1; 1644f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1645f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for(i = 0; i < key->nr_samplers; ++i) { 1646f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(shader->info.base.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) { 1647f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_sampler_static_state(&key->sampler[i], 1648f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->sampler_views[PIPE_SHADER_FRAGMENT][i], 1649f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->samplers[PIPE_SHADER_FRAGMENT][i]); 1650f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1651f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1652f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1653f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1654f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1655f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1656f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1657f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Update fragment shader state. This is called just prior to drawing 1658f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * something when some fragment-related state has changed. 1659f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1660f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 1661f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_update_fs(struct llvmpipe_context *lp) 1662f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1663f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader *shader = lp->fs; 1664f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader_variant_key key; 1665f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fragment_shader_variant *variant = NULL; 1666f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fs_variant_list_item *li; 1667f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1668f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org make_variant_key(lp, shader, &key); 1669f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1670f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Search the variants for one which matches the key */ 1671f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org li = first_elem(&shader->variants); 1672f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org while(!at_end(&shader->variants, li)) { 1673f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(memcmp(&li->base->key, &key, shader->variant_key_size) == 0) { 1674f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant = li->base; 1675f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1676f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1677f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org li = next_elem(li); 1678f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1679f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1680f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant) { 1681f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Move this variant to the head of the list to implement LRU 1682f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * deletion of shader's when we have too many. 1683f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1684f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org move_to_head(&lp->fs_variants_list, &variant->list_item_global); 1685f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1686f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1687f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* variant not found, create it now */ 1688f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int64_t t0, t1, dt; 1689f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 1690f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned variants_to_cull; 1691f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1692f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (0) { 1693f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org debug_printf("%u variants,\t%u instrs,\t%u instrs/variant\n", 1694f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_variants, 1695f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_instrs, 1696f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_variants ? lp->nr_fs_instrs / lp->nr_fs_variants : 0); 1697f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1698f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1699f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* First, check if we've exceeded the max number of shader variants. 1700f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If so, free 25% of them (the least recently used ones). 1701f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1702f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variants_to_cull = lp->nr_fs_variants >= LP_MAX_SHADER_VARIANTS ? LP_MAX_SHADER_VARIANTS / 4 : 0; 1703f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1704f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variants_to_cull || 1705f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_instrs >= LP_MAX_SHADER_INSTRUCTIONS) { 1706f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe = &lp->pipe; 1707f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1708f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1709f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX: we need to flush the context until we have some sort of 1710f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * reference counting in fragment shaders as they may still be binned 1711f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Flushing alone might not be sufficient we need to wait on it too. 1712f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1713f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_finish(pipe, __FUNCTION__); 1714f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1715f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1716f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * We need to re-check lp->nr_fs_variants because an arbitrarliy large 1717f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * number of shader variants (potentially all of them) could be 1718f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * pending for destruction on flush. 1719f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1720f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1721f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < variants_to_cull || lp->nr_fs_instrs >= LP_MAX_SHADER_INSTRUCTIONS; i++) { 1722f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_fs_variant_list_item *item; 1723f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (is_empty_list(&lp->fs_variants_list)) { 1724f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 1725f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1726f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org item = last_elem(&lp->fs_variants_list); 1727f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(item); 1728f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(item->base); 1729f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_remove_shader_variant(lp, item->base); 1730f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1731f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1732f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1733f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1734f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generate the new variant. 1735f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1736f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t0 = os_time_get(); 1737f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org variant = generate_variant(lp, shader, &key); 1738f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t1 = os_time_get(); 1739f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org dt = t1 - t0; 1740f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LP_COUNT_ADD(llvm_compile_time, dt); 1741f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ 1742f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1743f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_variant_count++; 1744f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1745f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Put the new variant into the list */ 1746f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (variant) { 1747f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org insert_at_head(&shader->variants, &variant->list_item_local); 1748f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org insert_at_head(&lp->fs_variants_list, &variant->list_item_global); 1749f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_variants++; 1750f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->nr_fs_instrs += variant->nr_instrs; 1751f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shader->variants_cached++; 1752f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1753f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1754f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1755f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Bind this variant */ 1756f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_setup_set_fs_variant(lp->setup, variant); 1757f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1758f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1759f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1760f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1761f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1762f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1763f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1764f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1765f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 1766f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe) 1767f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1768f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state; 1769f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state; 1770f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state; 1771f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1772f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer; 1773f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1774