lp_state_fs.c revision 2584c5bd253e53ba052356360a33b5ec976e9716
1946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca/************************************************************************** 2946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 373af91e938eb27b001404f11195fb06ff9b08903José Fonseca * Copyright 2009 VMware, Inc. 4946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 5946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * All Rights Reserved. 6946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 7946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Permission is hereby granted, free of charge, to any person obtaining a 8946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * copy of this software and associated documentation files (the 9946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * "Software"), to deal in the Software without restriction, including 10946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * without limitation the rights to use, copy, modify, merge, publish, 11946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * distribute, sub license, and/or sell copies of the Software, and to 12946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * permit persons to whom the Software is furnished to do so, subject to 13946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * the following conditions: 14946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 15946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * The above copyright notice and this permission notice (including the 16946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * next paragraph) shall be included in all copies or substantial portions 17946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * of the Software. 18946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 19946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 27946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca **************************************************************************/ 28946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 295811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @file 315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Code generate the whole fragment pipeline. 325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * The fragment pipeline consists of the following stages: 345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - stipple (TBI) 355811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - early depth test 365811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - fragment shader 375811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - alpha test 385811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - depth/stencil test (stencil TBI) 395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - blending 405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 415811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * This file has only the glue to assembly the fragment pipeline. The actual 425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * plumbing of converting Gallium state into LLVM IR is done elsewhere, in the 435811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * lp_bld_*.[ch] files, and in a complete generic and reusable way. Here we 445811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * muster the LLVM JIT execution engine to create a function that follows an 455811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * established binary interface and that can be called from C directly. 465811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 475811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * A big source of complexity here is that we often want to run different 485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * stages with different precisions and data types and precisions. For example, 495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * the fragment shader needs typically to be done in floats, but the 505811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * depth/stencil test and blending is better done in the type that most closely 515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * matches the depth/stencil and color buffer respectively. 525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Since the width of a SIMD vector register stays the same regardless of the 545811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * element type, different types imply different number of elements, so we must 555811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * code generate more instances of the stages with larger types to be able to 565811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * feed/consume the stages with smaller types. 575811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 585811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @author Jose Fonseca <jfonseca@vmware.com> 595811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 605811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 61946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_defines.h" 62946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 63e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 649ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "util/u_debug_dump.h" 65946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/internal/p_winsys_screen.h" 66946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_shader_tokens.h" 67946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "draw/draw_context.h" 68946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_dump.h" 69946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_scan.h" 70946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_parse.h" 7173af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_type.h" 72f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_const.h" 73e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_conv.h" 74c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca#include "lp_bld_intr.h" 7598971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_logic.h" 76e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_depth.h" 77f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_interp.h" 7873af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_tgsi.h" 799ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "lp_bld_alpha.h" 8098971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_blend.h" 817c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca#include "lp_bld_swizzle.h" 823d7a88674f9eb3320eeff511968f041426e25023José Fonseca#include "lp_bld_flow.h" 83818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca#include "lp_bld_debug.h" 8473af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_screen.h" 8573af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_context.h" 8669588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca#include "lp_buffer.h" 8773af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_state.h" 8873af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_quad.h" 898be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca#include "lp_tex_sample.h" 902584c5bd253e53ba052356360a33b5ec976e9716José Fonseca#include "lp_debug.h" 9173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 9273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 937c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_x[4] = {0, 1, 0, 1}; 947c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_y[4] = {0, 0, 1, 1}; 957c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 967c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 97f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca/* 98f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * Derive from the quad's upper left scalar coordinates the coordinates for 99f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * all other quad pixels 1005811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 1017c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic void 102f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonsecagenerate_pos0(LLVMBuilderRef builder, 103f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x, 104f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y, 105f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *x0, 106f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *y0) 1077c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca{ 1087c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_elem_type = LLVMInt32Type(); 1097c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_vec_type = LLVMVectorType(int_elem_type, QUAD_SIZE); 1107c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef elem_type = LLVMFloatType(); 1117c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef vec_type = LLVMVectorType(elem_type, QUAD_SIZE); 1127c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x_offsets[QUAD_SIZE]; 1137c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y_offsets[QUAD_SIZE]; 1147c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca unsigned i; 1157c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1167c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = lp_build_broadcast(builder, int_vec_type, x); 1177c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = lp_build_broadcast(builder, int_vec_type, y); 1187c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1197c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca for(i = 0; i < QUAD_SIZE; ++i) { 1207c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_x[i], 0); 1217c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_y[i], 0); 1227c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca } 1237c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1247c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = LLVMBuildAdd(builder, x, LLVMConstVector(x_offsets, QUAD_SIZE), ""); 1257c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = LLVMBuildAdd(builder, y, LLVMConstVector(y_offsets, QUAD_SIZE), ""); 1267c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 127f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *x0 = LLVMBuildSIToFP(builder, x, vec_type, ""); 128f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *y0 = LLVMBuildSIToFP(builder, y, vec_type, ""); 1297c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca} 1307c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1317c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 1335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the depth test. 1345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 135e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 136cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonsecagenerate_depth(LLVMBuilderRef builder, 137cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca const struct lp_fragment_shader_variant_key *key, 138b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type src_type, 13998971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context *mask, 14098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef src, 14198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 142e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 143e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 144b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 145e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 146cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(!key->depth.enabled) 147e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca return; 148e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 149cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 150e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 151e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1522282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1532282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1542282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1552282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1562282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1572282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1582282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1592282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1602282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1612282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1622282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1632282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1642282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1652282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1665811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 167e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 168e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1695811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 170e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 171e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 172e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 173e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1742282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1752282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1762282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1772282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 178e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 179e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_depth_test(builder, 180cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca &key->depth, 181e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type, 182e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca format_desc, 183e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca mask, 184e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src, 185e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_ptr); 186e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 187e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 188e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 18998971802798354cdba45c421cc340ec938143e03José Fonseca/** 1905811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 19198971802798354cdba45c421cc340ec938143e03José Fonseca */ 19298971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 19398971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 19498971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 19598971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 19698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 197b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 198635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 19998971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 200f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 2018be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 20298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 20398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *color, 204635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef depth_ptr) 20573af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 20673af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 20773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef elem_type; 20873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 2097821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMTypeRef int_vec_type; 210635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 21198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 212f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 2138e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 21498971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 21598971802798354cdba45c421cc340ec938143e03José Fonseca boolean early_depth_test; 21698971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 21798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 21898971802798354cdba45c421cc340ec938143e03José Fonseca 21998971802798354cdba45c421cc340ec938143e03José Fonseca elem_type = lp_build_elem_type(type); 22098971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 22198971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 22298971802798354cdba45c421cc340ec938143e03José Fonseca 223635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 224635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 2258e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 2268e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2278e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 2288e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2298e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 2308e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2318e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 2326a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 2336a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca color[chan] = LLVMGetUndef(vec_type); 2346a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &color[chan]); 2358e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 2366a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 2378e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2388e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 23998971802798354cdba45c421cc340ec938143e03José Fonseca 24098971802798354cdba45c421cc340ec938143e03José Fonseca early_depth_test = 241cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->depth.enabled && 242cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 243cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 244cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 24598971802798354cdba45c421cc340ec938143e03José Fonseca 24698971802798354cdba45c421cc340ec938143e03José Fonseca if(early_depth_test) 247cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca generate_depth(builder, key, 248f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca type, &mask, 249f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z, depth_ptr); 25098971802798354cdba45c421cc340ec938143e03José Fonseca 25198971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 252f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 2538be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca outputs, sampler); 25498971802798354cdba45c421cc340ec938143e03José Fonseca 25598971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 25698971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 25798971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 25898971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "output%u.%u.%c", i, attrib, "xyzw"[chan]); 25998971802798354cdba45c421cc340ec938143e03José Fonseca 26098971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 26198971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 26298971802798354cdba45c421cc340ec938143e03José Fonseca { 26398971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 26498971802798354cdba45c421cc340ec938143e03José Fonseca 26598971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "color%u.%u.%c", i, attrib, "rgba"[chan]); 26698971802798354cdba45c421cc340ec938143e03José Fonseca 26798971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 26898971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 269635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 270635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha = outputs[attrib][chan]; 271635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 272635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 273635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 27498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 275635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 276635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 27798971802798354cdba45c421cc340ec938143e03José Fonseca 27898971802798354cdba45c421cc340ec938143e03José Fonseca if(cbuf == 0) 27998971802798354cdba45c421cc340ec938143e03José Fonseca color[chan] = outputs[attrib][chan]; 28098971802798354cdba45c421cc340ec938143e03José Fonseca 28198971802798354cdba45c421cc340ec938143e03José Fonseca break; 28298971802798354cdba45c421cc340ec938143e03José Fonseca } 28398971802798354cdba45c421cc340ec938143e03José Fonseca 28498971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 28598971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 286f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z = outputs[attrib][chan]; 28798971802798354cdba45c421cc340ec938143e03José Fonseca break; 28898971802798354cdba45c421cc340ec938143e03José Fonseca } 28998971802798354cdba45c421cc340ec938143e03José Fonseca } 29098971802798354cdba45c421cc340ec938143e03José Fonseca } 29198971802798354cdba45c421cc340ec938143e03José Fonseca } 29298971802798354cdba45c421cc340ec938143e03José Fonseca 2936a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca if(!early_depth_test) 2946a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca generate_depth(builder, key, 2956a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca type, &mask, 2966a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca z, depth_ptr); 2976a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 2986a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 2996a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3006a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 3016a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3028e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 30398971802798354cdba45c421cc340ec938143e03José Fonseca 30498971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 30598971802798354cdba45c421cc340ec938143e03José Fonseca 30698971802798354cdba45c421cc340ec938143e03José Fonseca} 30798971802798354cdba45c421cc340ec938143e03José Fonseca 30898971802798354cdba45c421cc340ec938143e03José Fonseca 30998971802798354cdba45c421cc340ec938143e03José Fonseca/** 3105811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 31198971802798354cdba45c421cc340ec938143e03José Fonseca */ 31298971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 31398971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 31498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 315b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 316635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 31798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 31898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 31998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 32098971802798354cdba45c421cc340ec938143e03José Fonseca{ 32198971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 322c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 323c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 32498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 32598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef int_vec_type; 326635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 32798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 32898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 32998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 33098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 33198971802798354cdba45c421cc340ec938143e03José Fonseca 332c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 333c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 334c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 335c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 336c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 33798971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 33898971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 33998971802798354cdba45c421cc340ec938143e03José Fonseca 340635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 341635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 342635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 343635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 34498971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 34598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 346635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 34798971802798354cdba45c421cc340ec938143e03José Fonseca 34898971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 34998971802798354cdba45c421cc340ec938143e03José Fonseca 35098971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 35198971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 35298971802798354cdba45c421cc340ec938143e03José Fonseca } 35398971802798354cdba45c421cc340ec938143e03José Fonseca 35498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_blend_soa(builder, blend, type, src, dst, con, res); 35598971802798354cdba45c421cc340ec938143e03José Fonseca 35698971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 3574c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(blend->colormask & (1 << chan)) { 3584c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 3594c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 3604c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 3614c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 3624c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 36398971802798354cdba45c421cc340ec938143e03José Fonseca } 364c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 365c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 366c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 36798971802798354cdba45c421cc340ec938143e03José Fonseca} 36898971802798354cdba45c421cc340ec938143e03José Fonseca 36998971802798354cdba45c421cc340ec938143e03José Fonseca 3705811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 3715811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 3725811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 37398971802798354cdba45c421cc340ec938143e03José Fonsecastatic struct lp_fragment_shader_variant * 37498971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 37598971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 37698971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key) 37798971802798354cdba45c421cc340ec938143e03José Fonseca{ 37898971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 37998971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader_variant *variant; 380b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 381b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 38298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 38398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_vec_type; 38498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 38598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 38698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_int_vec_type; 387c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMTypeRef arg_types[9]; 38873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 389c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 3907c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 3917c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 39273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 39373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 39473af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 3957821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMValueRef mask_ptr; 39639352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef color_ptr; 39739352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 39873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 39973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 400f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x0; 401f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y0; 4028be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 403f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 40498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 40598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_out_color[NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 40698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 40798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_in_color[NUM_CHANNELS]; 40898971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 40939352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 41039352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 41173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 4122584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if (LP_DEBUG & DEBUG_JIT) { 4132584c5bd253e53ba052356360a33b5ec976e9716José Fonseca tgsi_dump(shader->base.tokens, 0); 4142584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if(key->depth.enabled) { 4152584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("depth.format = %s\n", pf_name(key->zsbuf_format)); 4162584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("depth.func = %s\n", debug_dump_func(key->depth.func, TRUE)); 4172584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("depth.writemask = %u\n", key->depth.writemask); 4182584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 4192584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if(key->alpha.enabled) { 4202584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha.func = %s\n", debug_dump_func(key->alpha.func, TRUE)); 4212584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 4222584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 4232584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if(key->blend.logicop_enable) { 4242584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("blend.logicop_func = %u\n", key->blend.logicop_func); 4252584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 4262584c5bd253e53ba052356360a33b5ec976e9716José Fonseca else if(key->blend.blend_enable) { 4272584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("blend.rgb_func = %s\n", debug_dump_blend_func (key->blend.rgb_func, TRUE)); 4282584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("rgb_src_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_src_factor, TRUE)); 4292584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("rgb_dst_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_dst_factor, TRUE)); 4302584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha_func = %s\n", debug_dump_blend_func (key->blend.alpha_func, TRUE)); 4312584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha_src_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_src_factor, TRUE)); 4322584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha_dst_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_dst_factor, TRUE)); 4332584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 4342584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("blend.colormask = 0x%x\n", key->blend.colormask); 4352584c5bd253e53ba052356360a33b5ec976e9716José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 4362584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if(key->sampler[i].format) { 4372584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("sampler[%u] = \n", i); 4382584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .format = %s\n", 4392584c5bd253e53ba052356360a33b5ec976e9716José Fonseca pf_name(key->sampler[i].format)); 4402584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .target = %s\n", 4412584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_target(key->sampler[i].target, TRUE)); 4422584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .pot = %u %u %u\n", 4432584c5bd253e53ba052356360a33b5ec976e9716José Fonseca key->sampler[i].pot_width, 4442584c5bd253e53ba052356360a33b5ec976e9716José Fonseca key->sampler[i].pot_height, 4452584c5bd253e53ba052356360a33b5ec976e9716José Fonseca key->sampler[i].pot_depth); 4462584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .wrap = %s %s %s\n", 4472584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 4482584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 4492584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 4502584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .min_img_filter = %s\n", 4512584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 4522584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .min_mip_filter = %s\n", 4532584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 4542584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .mag_img_filter = %s\n", 4552584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 4562584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if(key->sampler[i].compare_mode) 4572584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .compare_mode = %s\n", debug_dump_func(key->sampler[i].compare_func, TRUE)); 4582584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 4592584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .prefilter = %u\n", key->sampler[i].prefilter); 4602584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 4615fcb75758c50bd10e8bd730e55bcbf73614eeb60José Fonseca } 4625fcb75758c50bd10e8bd730e55bcbf73614eeb60José Fonseca } 4635fcb75758c50bd10e8bd730e55bcbf73614eeb60José Fonseca 4649ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = CALLOC_STRUCT(lp_fragment_shader_variant); 4659ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(!variant) 4669ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 4679ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 4689ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->shader = shader; 469e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca memcpy(&variant->key, key, sizeof *key); 4709ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 4715811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 4725811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 4735811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 474b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 47598971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 47698971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 47798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 47898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 47998971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.length = 4; /* 4 element per vector */ 48098971802798354cdba45c421cc340ec938143e03José Fonseca num_fs = 4; 48173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 482b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 48398971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 48498971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 48598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 48698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 48798971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 48898971802798354cdba45c421cc340ec938143e03José Fonseca 4895811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 4905811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 49108dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 4925811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 4935811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 49498971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 49598971802798354cdba45c421cc340ec938143e03José Fonseca fs_vec_type = lp_build_vec_type(fs_type); 49698971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 49798971802798354cdba45c421cc340ec938143e03José Fonseca 49898971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 49998971802798354cdba45c421cc340ec938143e03José Fonseca blend_int_vec_type = lp_build_int_vec_type(blend_type); 50073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 501c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 502c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 503c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 504c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[3] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 505c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 506c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dady */ 50798971802798354cdba45c421cc340ec938143e03José Fonseca arg_types[6] = LLVMPointerType(fs_int_vec_type, 0); /* mask */ 50898971802798354cdba45c421cc340ec938143e03José Fonseca arg_types[7] = LLVMPointerType(blend_vec_type, 0); /* color */ 50998971802798354cdba45c421cc340ec938143e03José Fonseca arg_types[8] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 51073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 51173af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 51273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 5139ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->function = LLVMAddFunction(screen->module, "shader", func_type); 5149ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMSetFunctionCallConv(variant->function, LLVMCCallConv); 515a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 5167c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 5179ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMAddAttribute(LLVMGetParam(variant->function, i), LLVMNoAliasAttribute); 5189ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 519c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca context_ptr = LLVMGetParam(variant->function, 0); 520c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca x = LLVMGetParam(variant->function, 1); 521c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca y = LLVMGetParam(variant->function, 2); 522c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca a0_ptr = LLVMGetParam(variant->function, 3); 523c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca dadx_ptr = LLVMGetParam(variant->function, 4); 524c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca dady_ptr = LLVMGetParam(variant->function, 5); 5259ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca mask_ptr = LLVMGetParam(variant->function, 6); 5269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca color_ptr = LLVMGetParam(variant->function, 7); 5279ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca depth_ptr = LLVMGetParam(variant->function, 8); 5287c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 529c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 5307c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 5317c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 5325999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 5335999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 5345999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 5355999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(mask_ptr, "mask"); 53639352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(color_ptr, "color"); 53739352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 53873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 5395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 5415811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 5439ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca block = LLVMAppendBasicBlock(variant->function, "entry"); 54473af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 54573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 54673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 547f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca generate_pos0(builder, x, y, &x0, &y0); 548f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 549f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca lp_build_interp_soa_init(&interp, shader->base.tokens, builder, fs_type, 550f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 551f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca x0, y0, 2, 0); 552f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 553e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca#if 0 554e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* C texture sampling */ 5558be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler = lp_c_sampler_soa_create(context_ptr); 556e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca#else 557e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 558e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 559e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca#endif 560c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 56198971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 56298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 56398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef out_color[NUM_CHANNELS]; 56498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 56598971802798354cdba45c421cc340ec938143e03José Fonseca 566f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 567f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca lp_build_interp_soa_update(&interp); 56898971802798354cdba45c421cc340ec938143e03José Fonseca 56998971802798354cdba45c421cc340ec938143e03José Fonseca fs_mask[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, mask_ptr, &index, 1, ""), ""); 57098971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 57198971802798354cdba45c421cc340ec938143e03José Fonseca 572635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 57398971802798354cdba45c421cc340ec938143e03José Fonseca builder, 57498971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 575635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 57698971802798354cdba45c421cc340ec938143e03José Fonseca i, 577f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 5788be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 57998971802798354cdba45c421cc340ec938143e03José Fonseca &fs_mask[i], 58098971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 581635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca depth_ptr_i); 58298971802798354cdba45c421cc340ec938143e03José Fonseca 58398971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) 58498971802798354cdba45c421cc340ec938143e03José Fonseca fs_out_color[chan][i] = out_color[chan]; 58598971802798354cdba45c421cc340ec938143e03José Fonseca } 58639352b34438affc36ce22852bb55359d304a522cJosé Fonseca 5878be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 5888be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 5895811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5905811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Convert the fs's output color and mask to fit to the blending type. 5915811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5925811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 59398971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 59498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_conv(builder, fs_type, blend_type, 59598971802798354cdba45c421cc340ec938143e03José Fonseca fs_out_color[chan], num_fs, 59698971802798354cdba45c421cc340ec938143e03José Fonseca &blend_in_color[chan], 1); 59798971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(blend_in_color[chan], "color.%c", "rgba"[chan]); 598635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 59973af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 60073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 60198971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_conv_mask(builder, fs_type, blend_type, 6022584c5bd253e53ba052356360a33b5ec976e9716José Fonseca fs_mask, num_fs, 6032584c5bd253e53ba052356360a33b5ec976e9716José Fonseca &blend_mask, 1); 604e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 6055811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6065811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Blending. 6075811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6085811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 60998971802798354cdba45c421cc340ec938143e03José Fonseca generate_blend(&key->blend, 61098971802798354cdba45c421cc340ec938143e03José Fonseca builder, 61198971802798354cdba45c421cc340ec938143e03José Fonseca blend_type, 612635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 61398971802798354cdba45c421cc340ec938143e03José Fonseca blend_mask, 61498971802798354cdba45c421cc340ec938143e03José Fonseca blend_in_color, 61598971802798354cdba45c421cc340ec938143e03José Fonseca color_ptr); 6167821664b15501b173b2304bbada758c33c5ff972José Fonseca 6175811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 61873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 61973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 620946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 6215811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6225811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Translate the LLVM IR into machine code. 6235811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6245811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 6254ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 626a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca if(LLVMVerifyFunction(variant->function, LLVMPrintMessageAction)) { 627a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca LLVMDumpValue(variant->function); 6284ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca assert(0); 629a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 6304ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 631a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 6329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMRunFunctionPassManager(screen->pass, variant->function); 63373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6342584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if (LP_DEBUG & DEBUG_JIT) { 6352584c5bd253e53ba052356360a33b5ec976e9716José Fonseca LLVMDumpValue(variant->function); 6362584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("\n"); 6372584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 63873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 63908dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca variant->jit_function = (lp_jit_frag_func)LLVMGetPointerToGlobal(screen->engine, variant->function); 64073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6412584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if (LP_DEBUG & DEBUG_ASM) 6422584c5bd253e53ba052356360a33b5ec976e9716José Fonseca lp_disassemble(variant->jit_function); 643818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 6449ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->next = shader->variants; 6459ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->variants = variant; 6469ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 6489ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 6499ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6509ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6519ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecavoid * 6529ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 6539ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 6549ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 6559ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 6569ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6579ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 6589ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 6599ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 6609ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6619ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 6629ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 6639ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6649ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 6659ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 6669ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 66773af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 668946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 669946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 670946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 671946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 672946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 673946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 674946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 675946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 676946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca llvmpipe->fs = (struct lp_fragment_shader *) fs; 677946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 678c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 679946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 680946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 681946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 682946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 683946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 684946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 685e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 686e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 68773af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 6889ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 689946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 690e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 6919ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 6939ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 6949ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 6959ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6969ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(variant->function) { 6979ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(variant->jit_function) 6989ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMFreeMachineCodeForFunction(screen->engine, variant->function); 6999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMDeleteFunction(variant->function); 7009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 7019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 7029ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 7039ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 7049ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 70573af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 70673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 70773af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 70873af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 709946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 710946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 711946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 712946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 713946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 714946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 715946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 71669588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca const struct pipe_constant_buffer *constants) 717946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 718946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 71969588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca struct pipe_buffer *buffer = constants ? constants->buffer : NULL; 72069588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca unsigned size = buffer ? buffer->size : 0; 72169588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca const void *data = buffer ? llvmpipe_buffer(buffer)->data : NULL; 722946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 723946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 724946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 725946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 72669588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca if(shader == PIPE_SHADER_VERTEX) 72769588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca draw_flush(llvmpipe->draw); 72869588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 729946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 73069588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca pipe_buffer_reference(&llvmpipe->constants[shader].buffer, buffer); 73169588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 73269588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca if(shader == PIPE_SHADER_FRAGMENT) { 73369588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca llvmpipe->jit_context.constants = data; 73469588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca } 73569588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 73669588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 73769588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca draw_set_mapped_constant_buffer(llvmpipe->draw, data, size); 73869588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca } 739946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 740c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 741946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 7429ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 7439ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 744635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 745635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 746635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 747635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 748635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 749635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 750635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 751635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 752635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 753e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 754635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 755635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 756e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 757e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 758635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 759635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 760cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(lp->framebuffer.zsbuf && 761cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca lp->depth_stencil->depth.enabled) { 762cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->zsbuf_format = lp->framebuffer.zsbuf->format; 763cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 764cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 765635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 766635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 767635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 768635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 769635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 770635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 7714c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(lp->framebuffer.cbufs[0]) { 7724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 7734c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 7744c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 7754c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca memcpy(&key->blend, lp->blend, sizeof key->blend); 7764c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 7774c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc = util_format_description(lp->framebuffer.cbufs[0]->format); 7784c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca assert(format_desc->layout == UTIL_FORMAT_COLORSPACE_RGB || 7794c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc->layout == UTIL_FORMAT_COLORSPACE_SRGB); 7804c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 7814c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca /* mask out color channels not present in the color buffer */ 7824c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 7834c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 7844c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(swizzle > 4) 7854c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca key->blend.colormask &= ~(1 << chan); 7864c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 7874c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 788e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 789e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 790e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 791e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca lp_sampler_static_state(&key->sampler[i], lp->texture[i], lp->sampler[i]); 792635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 793635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 794635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 7955811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 7965811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 7979ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 7989ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 799e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 8009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 8019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 802e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 803e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 8049ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 8059ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 806e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 8079ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 8089ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8099ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 8109ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 8119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8129ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(!variant) 81398971802798354cdba45c421cc340ec938143e03José Fonseca variant = generate_fragment(lp, shader, &key); 8149ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8159ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->current = variant; 8169ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 817