lp_state_fs.c revision ba5d600c90f7075cf2c33a0c5c679ef822e8746e
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 61f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#include <limits.h> 62946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_defines.h" 63946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 64e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 659ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "util/u_debug_dump.h" 66946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/internal/p_winsys_screen.h" 67946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_shader_tokens.h" 68946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "draw/draw_context.h" 69946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_dump.h" 70946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_scan.h" 71946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_parse.h" 7273af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_type.h" 73f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_const.h" 74e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_conv.h" 75c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca#include "lp_bld_intr.h" 7698971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_logic.h" 77e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_depth.h" 78f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_interp.h" 7973af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_tgsi.h" 809ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "lp_bld_alpha.h" 8198971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_blend.h" 827c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca#include "lp_bld_swizzle.h" 833d7a88674f9eb3320eeff511968f041426e25023José Fonseca#include "lp_bld_flow.h" 84818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca#include "lp_bld_debug.h" 8573af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_screen.h" 8673af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_context.h" 87c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca#include "lp_buffer.h" 8885999695829823e459e11822b4846ed1db5c055dJosé Fonseca#include "lp_setup.h" 8973af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_state.h" 908be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca#include "lp_tex_sample.h" 91dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell#include "lp_debug.h" 9273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 9373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 947c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_x[4] = {0, 1, 0, 1}; 957c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_y[4] = {0, 0, 1, 1}; 967c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 977c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 98f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca/* 99f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * Derive from the quad's upper left scalar coordinates the coordinates for 100f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * all other quad pixels 1015811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 1027c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic void 103f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonsecagenerate_pos0(LLVMBuilderRef builder, 104f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x, 105f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y, 106f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *x0, 107f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *y0) 1087c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca{ 1097c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_elem_type = LLVMInt32Type(); 1107c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_vec_type = LLVMVectorType(int_elem_type, QUAD_SIZE); 1117c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef elem_type = LLVMFloatType(); 1127c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef vec_type = LLVMVectorType(elem_type, QUAD_SIZE); 1137c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x_offsets[QUAD_SIZE]; 1147c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y_offsets[QUAD_SIZE]; 1157c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca unsigned i; 1167c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1177c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = lp_build_broadcast(builder, int_vec_type, x); 1187c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = lp_build_broadcast(builder, int_vec_type, y); 1197c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1207c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca for(i = 0; i < QUAD_SIZE; ++i) { 1217c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_x[i], 0); 1227c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_y[i], 0); 1237c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca } 1247c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1257c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = LLVMBuildAdd(builder, x, LLVMConstVector(x_offsets, QUAD_SIZE), ""); 1267c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = LLVMBuildAdd(builder, y, LLVMConstVector(y_offsets, QUAD_SIZE), ""); 1277c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 128f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *x0 = LLVMBuildSIToFP(builder, x, vec_type, ""); 129f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *y0 = LLVMBuildSIToFP(builder, y, vec_type, ""); 1307c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca} 1317c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1327c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 1345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the depth test. 1355811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 136e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 137cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonsecagenerate_depth(LLVMBuilderRef builder, 138cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca const struct lp_fragment_shader_variant_key *key, 139b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type src_type, 14098971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context *mask, 14198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef src, 14298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 143e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 144e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 145b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 146e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 147cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(!key->depth.enabled) 148e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca return; 149e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 150cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 151e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 152e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1532282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1542282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1552282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1562282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1572282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1582282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1592282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1602282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1612282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1622282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1632282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1642282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1652282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1662282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1675811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 168e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 169e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1705811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 171e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 172e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 173e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 174e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1752282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1762282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1772282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1782282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 179e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 180e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_depth_test(builder, 181cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca &key->depth, 182e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type, 183e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca format_desc, 184e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca mask, 185e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src, 186e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_ptr); 187e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 188e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 189e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 19098971802798354cdba45c421cc340ec938143e03José Fonseca/** 191ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * Generate the code to do inside/outside triangle testing for the 192ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * four pixels in a 2x2 quad. This will set the four elements of the 193ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * quad mask vector to 0 or ~0. 194ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad of the quad group to test, in [0,3] 195ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 196ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulstatic void 197ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulgenerate_tri_edge_mask(LLVMBuilderRef builder, 198ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul unsigned i, 199ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef *mask, /* ivec4, out */ 200ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, /* int32 */ 201ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, /* int32 */ 202ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, /* int32 */ 203ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, /* ivec4 */ 204ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, /* ivec4 */ 205ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) /* ivec4 */ 206ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul{ 2074061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#define OPTIMIZE_IN_OUT_TEST 0 2084061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#if OPTIMIZE_IN_OUT_TEST 209f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul struct lp_build_if_state ifctx; 2104061ca02dd837950201a9ada462f944ae25deeb5Brian Paul LLVMValueRef not_draw_all; 2114061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#endif 2124061ca02dd837950201a9ada462f944ae25deeb5Brian Paul struct lp_build_flow_context *flow; 213ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul struct lp_type i32_type; 214f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMTypeRef i32vec4_type, mask_type; 215ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0_vec, c1_vec, c2_vec; 216f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef in_out_mask; 217ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 218ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 219ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 220ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* int32 vector type */ 221ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul memset(&i32_type, 0, sizeof i32_type); 222ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.floating = FALSE; /* values are integers */ 223ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.sign = TRUE; /* values are signed */ 224ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.norm = FALSE; /* values are not normalized */ 225ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.width = 32; /* 32-bit int values */ 226ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.length = 4; /* 4 elements per vector */ 227ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 228ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32vec4_type = lp_build_int32_vec4_type(); 229ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 230f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul mask_type = LLVMIntType(32 * 4); 231f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 232f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 233f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Use a conditional here to do detailed pixel in/out testing. 2349a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * We only have to do this if c0 != INT_MIN. 235f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 236f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul flow = lp_build_flow_create(builder); 237f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_begin(flow); 238ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 23946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul { 240f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 2419a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* not_draw_all = (c0 != INT_MIN) */ 242f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul not_draw_all = LLVMBuildICmp(builder, 24346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMIntNE, 24446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0, 24546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMConstInt(LLVMInt32Type(), INT_MIN, 0), 246f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul ""); 247ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 24846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul in_out_mask = lp_build_int_const_scalar(i32_type, ~0); 24946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 25046b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 251f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_declare(flow, &in_out_mask); 252ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 2539a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* if (not_draw_all) {... */ 254f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_if(&ifctx, flow, builder, not_draw_all); 255f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 256f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul { 257f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef step0_vec, step1_vec, step2_vec; 258f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef m0_vec, m1_vec, m2_vec; 259f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef index, m; 260f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 26146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul /* c0_vec = {c0, c0, c0, c0} 26246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * Note that we emit this code four times but LLVM optimizes away 26346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * three instances of it. 26446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul */ 26546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0_vec = lp_build_broadcast(builder, i32vec4_type, c0); 26646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c1_vec = lp_build_broadcast(builder, i32vec4_type, c1); 26746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c2_vec = lp_build_broadcast(builder, i32vec4_type, c2); 26846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c0_vec, "edgeconst0vec"); 26946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c1_vec, "edgeconst1vec"); 27046b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c2_vec, "edgeconst2vec"); 27146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 2729a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* load step0vec, step1, step2 vec from memory */ 273f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul index = LLVMConstInt(LLVMInt32Type(), i, 0); 274f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step0_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step0_ptr, &index, 1, ""), ""); 275f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step1_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step1_ptr, &index, 1, ""), ""); 276f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step2_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step2_ptr, &index, 1, ""), ""); 277f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step0_vec, "step0vec"); 278f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step1_vec, "step1vec"); 279f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step2_vec, "step2vec"); 280f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2819a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* m0_vec = step0_ptr[i] > c0_vec */ 282f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m0_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step0_vec, c0_vec); 283f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m1_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step1_vec, c1_vec); 284f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m2_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step2_vec, c2_vec); 285f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2869a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* in_out_mask = m0_vec & m1_vec & m2_vec */ 287f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m = LLVMBuildAnd(builder, m0_vec, m1_vec, ""); 288f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul in_out_mask = LLVMBuildAnd(builder, m, m2_vec, ""); 289f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(in_out_mask, "inoutmaskvec"); 290f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul } 291f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 292f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_endif(&ifctx); 293f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 2945771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 29546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul } 296f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_end(flow); 297f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_destroy(flow); 2985771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 2999a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* This is the initial alive/dead pixel mask for a quad of four pixels. 3009a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * It's an int[4] vector with each word set to 0 or ~0. 3019a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * Words will get cleared when pixels faile the Z test, etc. 3029a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul */ 303f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul *mask = in_out_mask; 304ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul} 305ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 306ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 3074461442849bfdb817334b38567136f7f9dabdf59Brian Paulstatic LLVMValueRef 3084461442849bfdb817334b38567136f7f9dabdf59Brian Paulgenerate_scissor_test(LLVMBuilderRef builder, 3094461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef context_ptr, 3104461442849bfdb817334b38567136f7f9dabdf59Brian Paul const struct lp_build_interp_soa_context *interp, 3114461442849bfdb817334b38567136f7f9dabdf59Brian Paul struct lp_type type) 3124461442849bfdb817334b38567136f7f9dabdf59Brian Paul{ 3134461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMTypeRef vec_type = lp_build_vec_type(type); 3144461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xpos = interp->pos[0], ypos = interp->pos[1]; 3154461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xmin, ymin, xmax, ymax; 3164461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef m0, m1, m2, m3, m; 3174461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3184461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* xpos, ypos contain the window coords for the four pixels in the quad */ 3194461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(xpos); 3204461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(ypos); 3214461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3224461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* get the current scissor bounds, convert to vectors */ 3234461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_jit_context_scissor_xmin_value(builder, context_ptr); 3244461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_build_broadcast(builder, vec_type, xmin); 3254461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3264461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_jit_context_scissor_ymin_value(builder, context_ptr); 3274461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_build_broadcast(builder, vec_type, ymin); 3284461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3294461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_jit_context_scissor_xmax_value(builder, context_ptr); 3304461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_build_broadcast(builder, vec_type, xmax); 3314461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3324461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_jit_context_scissor_ymax_value(builder, context_ptr); 3334461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_build_broadcast(builder, vec_type, ymax); 3344461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3354461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* compare the fragment's position coordinates against the scissor bounds */ 3364461442849bfdb817334b38567136f7f9dabdf59Brian Paul m0 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, xpos, xmin); 3374461442849bfdb817334b38567136f7f9dabdf59Brian Paul m1 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, ypos, ymin); 3384461442849bfdb817334b38567136f7f9dabdf59Brian Paul m2 = lp_build_compare(builder, type, PIPE_FUNC_LESS, xpos, xmax); 3394461442849bfdb817334b38567136f7f9dabdf59Brian Paul m3 = lp_build_compare(builder, type, PIPE_FUNC_LESS, ypos, ymax); 3404461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3414461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* AND all the masks together */ 3424461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m0, m1, ""); 3434461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m2, ""); 3444461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m3, ""); 3454461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3464461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_name(m, "scissormask"); 3474461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3484461442849bfdb817334b38567136f7f9dabdf59Brian Paul return m; 3494461442849bfdb817334b38567136f7f9dabdf59Brian Paul} 3504461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3514461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3522797f2bf57562c95a601a67edca3089641215cc4Brian Paulstatic LLVMValueRef 3532797f2bf57562c95a601a67edca3089641215cc4Brian Paulbuild_int32_vec_const(int value) 3542797f2bf57562c95a601a67edca3089641215cc4Brian Paul{ 3552797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_type i32_type; 3562797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3572797f2bf57562c95a601a67edca3089641215cc4Brian Paul memset(&i32_type, 0, sizeof i32_type); 3582797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.floating = FALSE; /* values are integers */ 3592797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.sign = TRUE; /* values are signed */ 3602797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.norm = FALSE; /* values are not normalized */ 3612797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.width = 32; /* 32-bit int values */ 3622797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.length = 4; /* 4 elements per vector */ 3632797f2bf57562c95a601a67edca3089641215cc4Brian Paul return lp_build_int_const_scalar(i32_type, value); 3642797f2bf57562c95a601a67edca3089641215cc4Brian Paul} 3652797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3662797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3672797f2bf57562c95a601a67edca3089641215cc4Brian Paul 368ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 3695811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 370ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 3712797f2bf57562c95a601a67edca3089641215cc4Brian Paul * \param do_tri_test if 1, do triangle edge in/out testing 37298971802798354cdba45c421cc340ec938143e03José Fonseca */ 37398971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 37498971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 37598971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 37698971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 37798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 378b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 379635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 38098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 381f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 3828be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 38398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 384c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 385ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 3862797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test, 387ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, 388ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, 389ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, 390ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, 391ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, 392ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) 39373af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 39473af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 39573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef elem_type; 39673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 3977821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMTypeRef int_vec_type; 398635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 39998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 400f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 4018e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 40298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 40398971802798354cdba45c421cc340ec938143e03José Fonseca boolean early_depth_test; 40498971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 40598971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 406c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 40798971802798354cdba45c421cc340ec938143e03José Fonseca 408ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 409ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 41098971802798354cdba45c421cc340ec938143e03José Fonseca elem_type = lp_build_elem_type(type); 41198971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 41298971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 41398971802798354cdba45c421cc340ec938143e03José Fonseca 414635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 415635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 4168e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 4178e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4188e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 4198e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4208e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 4218e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4228e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 423c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 424c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 425c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 426c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 427c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 4288e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 4296a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 4308e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 431ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 4322797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (do_tri_test) { 4332797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_tri_edge_mask(builder, i, pmask, 4342797f2bf57562c95a601a67edca3089641215cc4Brian Paul c0, c1, c2, step0_ptr, step1_ptr, step2_ptr); 4352797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 4362797f2bf57562c95a601a67edca3089641215cc4Brian Paul else { 4372797f2bf57562c95a601a67edca3089641215cc4Brian Paul *pmask = build_int32_vec_const(~0); 4382797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 439ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 4405771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 4418e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 44298971802798354cdba45c421cc340ec938143e03José Fonseca 4434461442849bfdb817334b38567136f7f9dabdf59Brian Paul if (key->scissor) { 4444461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef smask = 4454461442849bfdb817334b38567136f7f9dabdf59Brian Paul generate_scissor_test(builder, context_ptr, interp, type); 4464461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_mask_update(&mask, smask); 4474461442849bfdb817334b38567136f7f9dabdf59Brian Paul } 448ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 44998971802798354cdba45c421cc340ec938143e03José Fonseca early_depth_test = 450cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->depth.enabled && 451cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 452cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 453cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 45498971802798354cdba45c421cc340ec938143e03José Fonseca 45598971802798354cdba45c421cc340ec938143e03José Fonseca if(early_depth_test) 456cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca generate_depth(builder, key, 457f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca type, &mask, 458f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z, depth_ptr); 45998971802798354cdba45c421cc340ec938143e03José Fonseca 46098971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 461f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 4628be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca outputs, sampler); 46398971802798354cdba45c421cc340ec938143e03José Fonseca 46498971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 46598971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 46698971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 46798971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "output%u.%u.%c", i, attrib, "xyzw"[chan]); 46898971802798354cdba45c421cc340ec938143e03José Fonseca 46998971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 47098971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 47198971802798354cdba45c421cc340ec938143e03José Fonseca { 47298971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 47398971802798354cdba45c421cc340ec938143e03José Fonseca 47498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "color%u.%u.%c", i, attrib, "rgba"[chan]); 47598971802798354cdba45c421cc340ec938143e03José Fonseca 47698971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 47798971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 478c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 479635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 480635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha = outputs[attrib][chan]; 481635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 482635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 483635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 48498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 485635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 486635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 48798971802798354cdba45c421cc340ec938143e03José Fonseca 488c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = outputs[attrib][chan]; 48998971802798354cdba45c421cc340ec938143e03José Fonseca break; 49098971802798354cdba45c421cc340ec938143e03José Fonseca } 49198971802798354cdba45c421cc340ec938143e03José Fonseca 49298971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 49398971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 494f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z = outputs[attrib][chan]; 49598971802798354cdba45c421cc340ec938143e03José Fonseca break; 49698971802798354cdba45c421cc340ec938143e03José Fonseca } 49798971802798354cdba45c421cc340ec938143e03José Fonseca } 49898971802798354cdba45c421cc340ec938143e03José Fonseca } 49998971802798354cdba45c421cc340ec938143e03José Fonseca } 50098971802798354cdba45c421cc340ec938143e03José Fonseca 5016a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca if(!early_depth_test) 5026a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca generate_depth(builder, key, 5036a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca type, &mask, 5046a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca z, depth_ptr); 5056a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5066a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 5076a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5086a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 5096a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5108e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 51198971802798354cdba45c421cc340ec938143e03José Fonseca 51298971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 51398971802798354cdba45c421cc340ec938143e03José Fonseca 51498971802798354cdba45c421cc340ec938143e03José Fonseca} 51598971802798354cdba45c421cc340ec938143e03José Fonseca 51698971802798354cdba45c421cc340ec938143e03José Fonseca 51798971802798354cdba45c421cc340ec938143e03José Fonseca/** 5185811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 51998971802798354cdba45c421cc340ec938143e03José Fonseca */ 52098971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 52198971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 52298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 523b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 524635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 52598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 52698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 52798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 52898971802798354cdba45c421cc340ec938143e03José Fonseca{ 52998971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 530c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 531c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 53298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 53398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef int_vec_type; 534635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 53598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 53698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 53798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 53898971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 53998971802798354cdba45c421cc340ec938143e03José Fonseca 540c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 541c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 542c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 543f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 544f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 545c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 546c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 54798971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 54898971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 54998971802798354cdba45c421cc340ec938143e03José Fonseca 550635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 551635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 552635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 553635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 55498971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 55598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 556635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 55798971802798354cdba45c421cc340ec938143e03José Fonseca 55898971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 55998971802798354cdba45c421cc340ec938143e03José Fonseca 56098971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 56198971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 56298971802798354cdba45c421cc340ec938143e03José Fonseca } 56398971802798354cdba45c421cc340ec938143e03José Fonseca 56498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_blend_soa(builder, blend, type, src, dst, con, res); 56598971802798354cdba45c421cc340ec938143e03José Fonseca 56698971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 5674c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(blend->colormask & (1 << chan)) { 5684c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 5694c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 5704c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 5714c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 5724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 57398971802798354cdba45c421cc340ec938143e03José Fonseca } 574c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 575c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 576c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 57798971802798354cdba45c421cc340ec938143e03José Fonseca} 57898971802798354cdba45c421cc340ec938143e03José Fonseca 57998971802798354cdba45c421cc340ec938143e03José Fonseca 5805811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 5815811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 582866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 583866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 584866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 5855811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5863b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic void 58798971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 58898971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 5892797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_fragment_shader_variant *variant, 5902797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test) 59198971802798354cdba45c421cc340ec938143e03José Fonseca{ 59298971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 5933b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key = &variant->key; 594b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 595b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 59698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 59798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_vec_type; 59898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 59998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 60098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_int_vec_type; 601ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef arg_types[14]; 60273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 603ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef int32_vec4_type = lp_build_int32_vec4_type(); 604c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 6057c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 6067c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 60773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 60873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 60973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 610c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 61139352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 612ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, c1, c2, step0_ptr, step1_ptr, step2_ptr; 61373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 61473af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 615f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x0; 616f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y0; 6178be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 618f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 61998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 620c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 62198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 62298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_in_color[NUM_CHANNELS]; 6233b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMValueRef function; 62498971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 62539352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 62639352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 627c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 62873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 6315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 6325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 633b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 63498971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 63598971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 63698971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 63798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 638866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 639866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 64073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 641b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 64298971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 64398971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 64498971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 64598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 64698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 64798971802798354cdba45c421cc340ec938143e03José Fonseca 6485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 65008dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 6515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 65398971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 65498971802798354cdba45c421cc340ec938143e03José Fonseca fs_vec_type = lp_build_vec_type(fs_type); 65598971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 65698971802798354cdba45c421cc340ec938143e03José Fonseca 65798971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 65898971802798354cdba45c421cc340ec938143e03José Fonseca blend_int_vec_type = lp_build_int_vec_type(blend_type); 65973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 660c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 661c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 662c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 663c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[3] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 664c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 665c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dady */ 666c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell arg_types[6] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 667ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[7] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 668ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[8] = LLVMInt32Type(); /* c0 */ 669ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[9] = LLVMInt32Type(); /* c1 */ 670ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[10] = LLVMInt32Type(); /* c2 */ 671ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* Note: the step arrays are built as int32[16] but we interpret 672ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * them here as int32_vec4[4]. 673ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 674ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[11] = LLVMPointerType(int32_vec4_type, 0);/* step0 */ 675ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[12] = LLVMPointerType(int32_vec4_type, 0);/* step1 */ 676ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[13] = LLVMPointerType(int32_vec4_type, 0);/* step2 */ 67773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 67873af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 67973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6803b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul function = LLVMAddFunction(screen->module, "shader", func_type); 6813b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMSetFunctionCallConv(function, LLVMCCallConv); 6823b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 6832797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[do_tri_test] = function; 6843b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 685c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 686c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 687c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 688c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 689a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 6907c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 6913b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 6923b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 6933b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul context_ptr = LLVMGetParam(function, 0); 6943b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul x = LLVMGetParam(function, 1); 6953b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul y = LLVMGetParam(function, 2); 6963b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul a0_ptr = LLVMGetParam(function, 3); 6973b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul dadx_ptr = LLVMGetParam(function, 4); 6983b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul dady_ptr = LLVMGetParam(function, 5); 6993b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul color_ptr_ptr = LLVMGetParam(function, 6); 7003b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul depth_ptr = LLVMGetParam(function, 7); 7013b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c0 = LLVMGetParam(function, 8); 7023b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c1 = LLVMGetParam(function, 9); 7033b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c2 = LLVMGetParam(function, 10); 7043b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step0_ptr = LLVMGetParam(function, 11); 7053b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step1_ptr = LLVMGetParam(function, 12); 7063b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step2_ptr = LLVMGetParam(function, 13); 7077c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 708c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 7097c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 7107c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 7115999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 7125999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 7135999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 714c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr_ptr, "color_ptr"); 71539352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 716ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c0, "c0"); 717ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c1, "c1"); 718ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c2, "c2"); 719ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step0_ptr, "step0"); 720ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step1_ptr, "step1"); 721ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step2_ptr, "step2"); 72273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7235811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 7245811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 7255811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 7265811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 7273b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul block = LLVMAppendBasicBlock(function, "entry"); 72873af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 72973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 73073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 731f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca generate_pos0(builder, x, y, &x0, &y0); 732f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 73386f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell lp_build_interp_soa_init(&interp, 73486f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell shader->base.tokens, 73586f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade, 73686f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell builder, fs_type, 737f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 738866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul x0, y0); 739f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 740e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 741e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 742c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 743866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 74498971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 74598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 746c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 74798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 748c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell int cbuf; 74998971802798354cdba45c421cc340ec938143e03José Fonseca 750f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 751866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 75298971802798354cdba45c421cc340ec938143e03José Fonseca 75398971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 75498971802798354cdba45c421cc340ec938143e03José Fonseca 755635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 75698971802798354cdba45c421cc340ec938143e03José Fonseca builder, 75798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 758635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 75998971802798354cdba45c421cc340ec938143e03José Fonseca i, 760f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 7618be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 762ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 76398971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 764ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 7652797f2bf57562c95a601a67edca3089641215cc4Brian Paul do_tri_test, 766ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0, c1, c2, 767ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul step0_ptr, step1_ptr, step2_ptr); 76898971802798354cdba45c421cc340ec938143e03José Fonseca 769c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 770c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 771c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 77298971802798354cdba45c421cc340ec938143e03José Fonseca } 77339352b34438affc36ce22852bb55359d304a522cJosé Fonseca 7748be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 7758be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 776c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 7775811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 778c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 779c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 780c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 7815811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 782c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 783c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 784c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 785c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 786c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 787c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 788c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 789c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 790c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 791635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 792c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 793c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_mask, num_fs, 794c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_mask, 1); 795c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 796c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 797c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 798c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 799c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 800c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 801c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 802c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 803c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 804c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 805c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 806c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 807c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 808c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 809c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 810c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 81173af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 81273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8135811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 81473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 81573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 816946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 8175811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 818f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 8194ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 8203b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul if(LLVMVerifyFunction(function, LLVMPrintMessageAction)) { 821f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8223b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMDumpValue(function); 823f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 824a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 8254ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 826a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 827f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 828f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8293b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMRunFunctionPassManager(screen->pass, function); 83073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 831dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if (LP_DEBUG & DEBUG_JIT) { 832f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 8333b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMDumpValue(function); 834dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("\n"); 835dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell } 83673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 837f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 838f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 839f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 8402797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->jit_function[do_tri_test] = (lp_jit_frag_func)LLVMGetPointerToGlobal(screen->engine, function); 84173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 842dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if (LP_DEBUG & DEBUG_ASM) 8432797f2bf57562c95a601a67edca3089641215cc4Brian Paul lp_disassemble(variant->jit_function[do_tri_test]); 8443b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul} 8453b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8463b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8473b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic struct lp_fragment_shader_variant * 8483b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulgenerate_variant(struct llvmpipe_context *lp, 8493b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader *shader, 8503b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key) 8513b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul{ 8523b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader_variant *variant; 8533b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8543b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if (LP_DEBUG & DEBUG_JIT) { 8553b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul unsigned i; 8563b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8573b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul tgsi_dump(shader->base.tokens, 0); 8583b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->depth.enabled) { 8593b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.format = %s\n", pf_name(key->zsbuf_format)); 8603b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.func = %s\n", debug_dump_func(key->depth.func, TRUE)); 8613b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.writemask = %u\n", key->depth.writemask); 8623b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8633b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->alpha.enabled) { 8643b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha.func = %s\n", debug_dump_func(key->alpha.func, TRUE)); 8653b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 8663b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8673b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->blend.logicop_enable) { 8683b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("blend.logicop_func = %u\n", key->blend.logicop_func); 8693b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8703b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul else if(key->blend.blend_enable) { 8713b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("blend.rgb_func = %s\n", debug_dump_blend_func (key->blend.rgb_func, TRUE)); 8723b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("rgb_src_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_src_factor, TRUE)); 8733b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("rgb_dst_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_dst_factor, TRUE)); 8743b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha_func = %s\n", debug_dump_blend_func (key->blend.alpha_func, TRUE)); 8753b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha_src_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_src_factor, TRUE)); 8763b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha_dst_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_dst_factor, TRUE)); 8773b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8783b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("blend.colormask = 0x%x\n", key->blend.colormask); 8793b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 8803b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].format) { 8813b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("sampler[%u] = \n", i); 8823b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .format = %s\n", 8833b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul pf_name(key->sampler[i].format)); 8843b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .target = %s\n", 8853b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_target(key->sampler[i].target, TRUE)); 8863b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .pot = %u %u %u\n", 8873b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_width, 8883b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_height, 8893b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_depth); 8903b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .wrap = %s %s %s\n", 8913b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 8923b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 8933b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 8943b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_img_filter = %s\n", 8953b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 8963b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_mip_filter = %s\n", 8973b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 8983b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .mag_img_filter = %s\n", 8993b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 9003b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 9013b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .compare_func = %s\n", debug_dump_func(key->sampler[i].compare_func, TRUE)); 9023b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 9033b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .prefilter = %u\n", key->sampler[i].prefilter); 9043b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9053b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9063b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9073b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9083b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = CALLOC_STRUCT(lp_fragment_shader_variant); 9093b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(!variant) 9103b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul return NULL; 9113b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9123b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant->shader = shader; 9133b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul memcpy(&variant->key, key, sizeof *key); 9143b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9152797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 0); 9162797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 1); 9179ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9183b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul /* insert new variant into linked list */ 9193b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul variant->next = shader->variants; 9203b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul shader->variants = variant; 9213b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 9229ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 9239ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 9249ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9259ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecavoid * 9279ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 9289ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 9299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 9309ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 9319ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 9339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 9349ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 9359ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 9379ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 9389ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 9409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 9419ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 94273af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 943946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 944946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 945946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 946946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 947946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 948946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 949946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 950946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 951080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 952080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 953080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 954080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 955080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 956080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 957946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 958c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 959946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 960946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 961946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 962946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 963946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 964946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 965e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 966e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 96773af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 9689ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 969946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 970e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 97131d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 9729ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9739ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 9749ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 9759ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 9762797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned i; 9779ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9782797f2bf57562c95a601a67edca3089641215cc4Brian Paul for (i = 0; i < Elements(variant->function); i++) { 9792797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->function[i]) { 9802797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->jit_function[i]) 9812797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMFreeMachineCodeForFunction(screen->engine, 9822797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[i]); 9832797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMDeleteFunction(variant->function[i]); 9842797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 9859ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 9869ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9879ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 9889ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9899ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 99073af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 99173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 99273af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 99373af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 994946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 995946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 996946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 997946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 998946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 999946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 1000946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 100170c8d2a29724d018bacc4a68ddc61db08faea00dRoland Scheidegger struct pipe_buffer *constants) 1002946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1003946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 10041278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger unsigned size = constants ? constants->size : 0; 10051278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger const void *data = constants ? llvmpipe_buffer(constants)->data : NULL; 1006946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1007946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 1008946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 1009946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1010ba5d600c90f7075cf2c33a0c5c679ef822e8746eJosé Fonseca if(llvmpipe->constants[shader] == constants) 1011d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 1012d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 1013080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 1014c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 1015946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 10161278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger pipe_buffer_reference(&llvmpipe->constants[shader], constants); 1017c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 1018c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 101989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw_set_mapped_constant_buffer(llvmpipe->draw, PIPE_SHADER_VERTEX, 102089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin data, size); 1021c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca } 1022946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1023c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 1024946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 10259ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1027635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 1028635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 1029635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 1030635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 1031635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 1032635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 1033635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 1034635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 1035635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 1036e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 1037635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 1038635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 1039e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 1040e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1041635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 1042635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1043cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(lp->framebuffer.zsbuf && 1044cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca lp->depth_stencil->depth.enabled) { 1045cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->zsbuf_format = lp->framebuffer.zsbuf->format; 1046cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 1047cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 1048635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1049635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1050635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 1051635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 1052635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 1053635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 105486f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade = lp->rasterizer->flatshade; 10554461442849bfdb817334b38567136f7f9dabdf59Brian Paul key->scissor = lp->rasterizer->scissor; 105686f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell 1057c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 1058c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell memcpy(&key->blend, lp->blend, sizeof key->blend); 1059c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 1060c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1061c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 1062c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 10634c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 10644c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 10654c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1066c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell format_desc = util_format_description(lp->framebuffer.cbufs[i]->format); 10674c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca assert(format_desc->layout == UTIL_FORMAT_COLORSPACE_RGB || 10684c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc->layout == UTIL_FORMAT_COLORSPACE_SRGB); 10694c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1070c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* mask out color channels not present in the color buffer. 1071c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Should be simple to incorporate per-cbuf writemasks: 1072c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 10734c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 10744c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 1075c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1076c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if(swizzle <= UTIL_FORMAT_SWIZZLE_W) 1077c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->cbuf_blend[i].colormask |= (1 << chan); 10784c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 10794c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 1080e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1081e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 1082e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 1083e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca lp_sampler_static_state(&key->sampler[i], lp->texture[i], lp->sampler[i]); 1084635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 1085635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1086635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 10874769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul/** 10884769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * Update fragment state. This is called just prior to drawing 10894769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * something when some fragment-related state has changed. 10904769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul */ 10915811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 10925811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 10939ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 10949ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 1095e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 10969ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 1097a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca boolean opaque; 10989ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1099e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 1100e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 11019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 11029ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 1103e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 11049ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 11059ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 11069ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 11079ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 11089ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 11099ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(!variant) 11103b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = generate_variant(lp, shader, &key); 11119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 11129ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->current = variant; 111385999695829823e459e11822b4846ed1db5c055dJosé Fonseca 1114a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca /* TODO: put this in the variant */ 11157df4c88088ecf34764c558b4f7fe7ef6c82327bbJosé Fonseca /* TODO: most of these can be relaxed, in particular the colormask */ 1116a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca opaque = !key.blend.logicop_enable && 1117a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !key.blend.blend_enable && 11187df4c88088ecf34764c558b4f7fe7ef6c82327bbJosé Fonseca key.blend.colormask == 0xf && 1119a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !key.alpha.enabled && 1120a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !key.depth.enabled && 11214461442849bfdb817334b38567136f7f9dabdf59Brian Paul !key.scissor && 1122a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !shader->info.uses_kill 1123a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca ? TRUE : FALSE; 1124a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca 11252797f2bf57562c95a601a67edca3089641215cc4Brian Paul lp_setup_set_fs_functions(lp->setup, 11262797f2bf57562c95a601a67edca3089641215cc4Brian Paul shader->current->jit_function[0], 11272797f2bf57562c95a601a67edca3089641215cc4Brian Paul shader->current->jit_function[1], 11282797f2bf57562c95a601a67edca3089641215cc4Brian Paul opaque); 11299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 1130