lp_state_fs.c revision 147dc2354c21f098a2a63a085c21ec10252cab24
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: 344d2dc9da82fcb0464b88c273a606f16d0183a758Brian Paul * - triangle edge in/out testing 354d2dc9da82fcb0464b88c273a606f16d0183a758Brian Paul * - scissor test 365811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - stipple (TBI) 375811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - early depth test 385811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - fragment shader 395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - alpha test 40d84b8cb1a8e3ce846de9affe2f72457c6e698872Brian Paul * - depth/stencil test 415811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - blending 425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 43272f399434ad6b33a8444c287c5126987a222864Brian Paul * This file has only the glue to assemble the fragment pipeline. The actual 445811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * plumbing of converting Gallium state into LLVM IR is done elsewhere, in the 455811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * lp_bld_*.[ch] files, and in a complete generic and reusable way. Here we 465811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * muster the LLVM JIT execution engine to create a function that follows an 475811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * established binary interface and that can be called from C directly. 485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * A big source of complexity here is that we often want to run different 505811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * stages with different precisions and data types and precisions. For example, 515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * the fragment shader needs typically to be done in floats, but the 525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * depth/stencil test and blending is better done in the type that most closely 535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * matches the depth/stencil and color buffer respectively. 545811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 555811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Since the width of a SIMD vector register stays the same regardless of the 565811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * element type, different types imply different number of elements, so we must 575811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * code generate more instances of the stages with larger types to be able to 585811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * feed/consume the stages with smaller types. 595811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 605811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @author Jose Fonseca <jfonseca@vmware.com> 615811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 625811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 63f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#include <limits.h> 64946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_defines.h" 6528486880ca3ec39419ccee0cb1a3bedc9ef7117cJosé Fonseca#include "util/u_inlines.h" 66946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 67f503b3dd9d6522abdabab1e25d0652c9d3079421José Fonseca#include "util/u_pointer.h" 68e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 69abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca#include "util/u_dump.h" 70a8270c7c29b141025f606c811812304a72e42d2eBrian Paul#include "os/os_time.h" 71946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_shader_tokens.h" 72946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "draw/draw_context.h" 73946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_dump.h" 74946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_scan.h" 75946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_parse.h" 76c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_type.h" 77c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_const.h" 78c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_conv.h" 79c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_intr.h" 80c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_logic.h" 81c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_tgsi.h" 82c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_swizzle.h" 83c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_flow.h" 84c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_debug.h" 8539a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul 8639a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_alpha.h" 8739a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_blend.h" 8839a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_depth.h" 8939a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_interp.h" 90e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_context.h" 91524ec6464d5c9d66b58c78c5e68c3bcb6a845f69José Fonseca#include "lp_debug.h" 92e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_perf.h" 93e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_screen.h" 9485999695829823e459e11822b4846ed1db5c055dJosé Fonseca#include "lp_setup.h" 9573af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_state.h" 968be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca#include "lp_tex_sample.h" 9773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 9873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 99489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul#include <llvm-c/Analysis.h> 100489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul 101489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul 1025811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 103227824ac6999a8925b90f093b08a6284d33a7dadBrian Paul * Generate the depth /stencil test code. 1045811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 105e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 106d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paulgenerate_depth_stencil(LLVMBuilderRef builder, 107d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul const struct lp_fragment_shader_variant_key *key, 108d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul struct lp_type src_type, 109d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul struct lp_build_mask_context *mask, 110521c61ff017ab15b829abbe9a98b179136a36009Brian Paul LLVMValueRef stencil_refs[2], 111d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul LLVMValueRef src, 11222e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef dst_ptr, 11386afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef facing, 11486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef counter) 115e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 116e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 117b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 118e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1199d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca if (!key->depth.enabled && !key->stencil[0].enabled && !key->stencil[1].enabled) 1209d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca return; 1219d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca 122cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 123e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 124e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1252282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1262282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1272282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1282282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1292282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1302282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1312282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1322282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1332282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1342282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1352282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1362282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1372282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1382282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 140e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 141e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 143e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 144e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 145e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 146d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul /* Convert fragment Z from float to integer */ 147e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1482282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1492282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1502282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1512282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 152d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul lp_build_depth_stencil_test(builder, 153d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul &key->depth, 154d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul key->stencil, 155d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul dst_type, 156d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul format_desc, 157d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul mask, 158d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul stencil_refs, 159d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul src, 16022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dst_ptr, 16186afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li facing, 16286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li counter); 163e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 164e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 165e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 16698971802798354cdba45c421cc340ec938143e03José Fonseca/** 167ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * Generate the code to do inside/outside triangle testing for the 168ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * four pixels in a 2x2 quad. This will set the four elements of the 169ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * quad mask vector to 0 or ~0. 170ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad of the quad group to test, in [0,3] 171ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 172ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulstatic void 173ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulgenerate_tri_edge_mask(LLVMBuilderRef builder, 174ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul unsigned i, 175ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef *mask, /* ivec4, out */ 176ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, /* int32 */ 177ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, /* int32 */ 178ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, /* int32 */ 179ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, /* ivec4 */ 180ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, /* ivec4 */ 181ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) /* ivec4 */ 182ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul{ 1834061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#define OPTIMIZE_IN_OUT_TEST 0 1844061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#if OPTIMIZE_IN_OUT_TEST 185f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul struct lp_build_if_state ifctx; 1864061ca02dd837950201a9ada462f944ae25deeb5Brian Paul LLVMValueRef not_draw_all; 1874061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#endif 1884061ca02dd837950201a9ada462f944ae25deeb5Brian Paul struct lp_build_flow_context *flow; 189ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul struct lp_type i32_type; 190a85afb91777ade2a12ba2df8f219a0294a645164Vinson Lee LLVMTypeRef i32vec4_type; 191ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0_vec, c1_vec, c2_vec; 192f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef in_out_mask; 193ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 194ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 195ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 196ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* int32 vector type */ 197ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul memset(&i32_type, 0, sizeof i32_type); 198ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.floating = FALSE; /* values are integers */ 199ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.sign = TRUE; /* values are signed */ 200ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.norm = FALSE; /* values are not normalized */ 201ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.width = 32; /* 32-bit int values */ 202ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.length = 4; /* 4 elements per vector */ 203ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 204ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32vec4_type = lp_build_int32_vec4_type(); 205ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 206f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 207f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Use a conditional here to do detailed pixel in/out testing. 2089a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * We only have to do this if c0 != INT_MIN. 209f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 210f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul flow = lp_build_flow_create(builder); 211f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_begin(flow); 212ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 21346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul { 214f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 2159a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* not_draw_all = (c0 != INT_MIN) */ 216f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul not_draw_all = LLVMBuildICmp(builder, 21746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMIntNE, 21846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0, 21946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMConstInt(LLVMInt32Type(), INT_MIN, 0), 220f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul ""); 221ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 222185be3a87a5b38e8821a560c073975c11dcbd3e9Brian Paul in_out_mask = lp_build_const_int_vec(i32_type, ~0); 22346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 22446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 225f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_declare(flow, &in_out_mask); 226ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 2279a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* if (not_draw_all) {... */ 228f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_if(&ifctx, flow, builder, not_draw_all); 229f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 230f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul { 231f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef step0_vec, step1_vec, step2_vec; 232f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef m0_vec, m1_vec, m2_vec; 233f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef index, m; 234f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 23546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul /* c0_vec = {c0, c0, c0, c0} 23646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * Note that we emit this code four times but LLVM optimizes away 23746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * three instances of it. 23846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul */ 23946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0_vec = lp_build_broadcast(builder, i32vec4_type, c0); 24046b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c1_vec = lp_build_broadcast(builder, i32vec4_type, c1); 24146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c2_vec = lp_build_broadcast(builder, i32vec4_type, c2); 24246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c0_vec, "edgeconst0vec"); 24346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c1_vec, "edgeconst1vec"); 24446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c2_vec, "edgeconst2vec"); 24546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 2469a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* load step0vec, step1, step2 vec from memory */ 247f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul index = LLVMConstInt(LLVMInt32Type(), i, 0); 248f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step0_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step0_ptr, &index, 1, ""), ""); 249f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step1_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step1_ptr, &index, 1, ""), ""); 250f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step2_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step2_ptr, &index, 1, ""), ""); 251f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step0_vec, "step0vec"); 252f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step1_vec, "step1vec"); 253f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step2_vec, "step2vec"); 254f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2559a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* m0_vec = step0_ptr[i] > c0_vec */ 256f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m0_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step0_vec, c0_vec); 257f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m1_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step1_vec, c1_vec); 258f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m2_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step2_vec, c2_vec); 259f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2609a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* in_out_mask = m0_vec & m1_vec & m2_vec */ 261f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m = LLVMBuildAnd(builder, m0_vec, m1_vec, ""); 262f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul in_out_mask = LLVMBuildAnd(builder, m, m2_vec, ""); 263f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(in_out_mask, "inoutmaskvec"); 264f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul } 265f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 266f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_endif(&ifctx); 267f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 2685771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 26946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul } 270f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_end(flow); 271f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_destroy(flow); 2725771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 2739a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* This is the initial alive/dead pixel mask for a quad of four pixels. 2749a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * It's an int[4] vector with each word set to 0 or ~0. 2759a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * Words will get cleared when pixels faile the Z test, etc. 2769a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul */ 277f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul *mask = in_out_mask; 278ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul} 279ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 280ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 2814461442849bfdb817334b38567136f7f9dabdf59Brian Paulstatic LLVMValueRef 2824461442849bfdb817334b38567136f7f9dabdf59Brian Paulgenerate_scissor_test(LLVMBuilderRef builder, 2834461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef context_ptr, 2844461442849bfdb817334b38567136f7f9dabdf59Brian Paul const struct lp_build_interp_soa_context *interp, 2854461442849bfdb817334b38567136f7f9dabdf59Brian Paul struct lp_type type) 2864461442849bfdb817334b38567136f7f9dabdf59Brian Paul{ 2874461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMTypeRef vec_type = lp_build_vec_type(type); 2884461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xpos = interp->pos[0], ypos = interp->pos[1]; 2894461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xmin, ymin, xmax, ymax; 2904461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef m0, m1, m2, m3, m; 2914461442849bfdb817334b38567136f7f9dabdf59Brian Paul 2924461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* xpos, ypos contain the window coords for the four pixels in the quad */ 2934461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(xpos); 2944461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(ypos); 2954461442849bfdb817334b38567136f7f9dabdf59Brian Paul 2964461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* get the current scissor bounds, convert to vectors */ 2974461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_jit_context_scissor_xmin_value(builder, context_ptr); 2984461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_build_broadcast(builder, vec_type, xmin); 2994461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3004461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_jit_context_scissor_ymin_value(builder, context_ptr); 3014461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_build_broadcast(builder, vec_type, ymin); 3024461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3034461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_jit_context_scissor_xmax_value(builder, context_ptr); 3044461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_build_broadcast(builder, vec_type, xmax); 3054461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3064461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_jit_context_scissor_ymax_value(builder, context_ptr); 3074461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_build_broadcast(builder, vec_type, ymax); 3084461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3094461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* compare the fragment's position coordinates against the scissor bounds */ 3104461442849bfdb817334b38567136f7f9dabdf59Brian Paul m0 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, xpos, xmin); 3114461442849bfdb817334b38567136f7f9dabdf59Brian Paul m1 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, ypos, ymin); 3124461442849bfdb817334b38567136f7f9dabdf59Brian Paul m2 = lp_build_compare(builder, type, PIPE_FUNC_LESS, xpos, xmax); 3134461442849bfdb817334b38567136f7f9dabdf59Brian Paul m3 = lp_build_compare(builder, type, PIPE_FUNC_LESS, ypos, ymax); 3144461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3154461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* AND all the masks together */ 3164461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m0, m1, ""); 3174461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m2, ""); 3184461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m3, ""); 3194461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3204461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_name(m, "scissormask"); 3214461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3224461442849bfdb817334b38567136f7f9dabdf59Brian Paul return m; 3234461442849bfdb817334b38567136f7f9dabdf59Brian Paul} 3244461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3254461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3262797f2bf57562c95a601a67edca3089641215cc4Brian Paulstatic LLVMValueRef 3272797f2bf57562c95a601a67edca3089641215cc4Brian Paulbuild_int32_vec_const(int value) 3282797f2bf57562c95a601a67edca3089641215cc4Brian Paul{ 3292797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_type i32_type; 3302797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3312797f2bf57562c95a601a67edca3089641215cc4Brian Paul memset(&i32_type, 0, sizeof i32_type); 3322797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.floating = FALSE; /* values are integers */ 3332797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.sign = TRUE; /* values are signed */ 3342797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.norm = FALSE; /* values are not normalized */ 3352797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.width = 32; /* 32-bit int values */ 3362797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.length = 4; /* 4 elements per vector */ 337185be3a87a5b38e8821a560c073975c11dcbd3e9Brian Paul return lp_build_const_int_vec(i32_type, value); 3382797f2bf57562c95a601a67edca3089641215cc4Brian Paul} 3392797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3402797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3412797f2bf57562c95a601a67edca3089641215cc4Brian Paul 342ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 3435811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 344ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 3452797f2bf57562c95a601a67edca3089641215cc4Brian Paul * \param do_tri_test if 1, do triangle edge in/out testing 34698971802798354cdba45c421cc340ec938143e03José Fonseca */ 34798971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 34898971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 34998971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 35098971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 35198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 352b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 353635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 35498971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 355f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 3568be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 35798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 358c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 359ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 36022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing, 3612797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test, 362ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, 363ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, 364ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, 365ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, 366ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, 36786afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef step2_ptr, 36886afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef counter) 36973af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 37073af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 37173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 372635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 37398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 374f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 375521c61ff017ab15b829abbe9a98b179136a36009Brian Paul LLVMValueRef stencil_refs[2]; 3768e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 37798971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 378d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul boolean early_depth_stencil_test; 37998971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 38098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 381c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 38298971802798354cdba45c421cc340ec938143e03José Fonseca 383ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 38498971802798354cdba45c421cc340ec938143e03José Fonseca 385521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[0] = lp_jit_context_stencil_ref_front_value(builder, context_ptr); 386521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[1] = lp_jit_context_stencil_ref_back_value(builder, context_ptr); 38767b82fc395fc9972fc08233044057ab540c7ab59Brian Paul 38898971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 38998971802798354cdba45c421cc340ec938143e03José Fonseca 390635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 391635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 3928e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 3938e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3948e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 3958e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3968e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 3978e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3988e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 399c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 400c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 401c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 402c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 403c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 4048e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 4056a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 4068e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 407ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 4082797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (do_tri_test) { 4092797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_tri_edge_mask(builder, i, pmask, 4102797f2bf57562c95a601a67edca3089641215cc4Brian Paul c0, c1, c2, step0_ptr, step1_ptr, step2_ptr); 4112797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 4122797f2bf57562c95a601a67edca3089641215cc4Brian Paul else { 4132797f2bf57562c95a601a67edca3089641215cc4Brian Paul *pmask = build_int32_vec_const(~0); 4142797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 415ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 4165771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 4178e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 41898971802798354cdba45c421cc340ec938143e03José Fonseca 4194461442849bfdb817334b38567136f7f9dabdf59Brian Paul if (key->scissor) { 4204461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef smask = 4214461442849bfdb817334b38567136f7f9dabdf59Brian Paul generate_scissor_test(builder, context_ptr, interp, type); 4224461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_mask_update(&mask, smask); 4234461442849bfdb817334b38567136f7f9dabdf59Brian Paul } 424ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 425d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul early_depth_stencil_test = 426d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul (key->depth.enabled || key->stencil[0].enabled) && 427cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 428cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 429cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 43098971802798354cdba45c421cc340ec938143e03José Fonseca 431d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (early_depth_stencil_test) 432d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 433d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 43486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 43598971802798354cdba45c421cc340ec938143e03José Fonseca 43698971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 437f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 438021e0dc78b15fab29e761012860276c2597c8d8fZack Rusin outputs, sampler, &shader->info); 43998971802798354cdba45c421cc340ec938143e03José Fonseca 440f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* loop over fragment shader outputs/results */ 44198971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 44298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 44398971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 44485c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); 44585c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "output%u.%u.%c", i, attrib, "xyzw"[chan]); 44698971802798354cdba45c421cc340ec938143e03José Fonseca 44798971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 44898971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 44998971802798354cdba45c421cc340ec938143e03José Fonseca { 45098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 45198971802798354cdba45c421cc340ec938143e03José Fonseca 45285c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "color%u.%u.%c", i, attrib, "rgba"[chan]); 45398971802798354cdba45c421cc340ec938143e03José Fonseca 45498971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 45598971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 456c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 457635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 45885c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef alpha = out; 459635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 460635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 461635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 46298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 463635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 464635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 46598971802798354cdba45c421cc340ec938143e03José Fonseca 46685c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin color[cbuf][chan] = out; 46798971802798354cdba45c421cc340ec938143e03José Fonseca break; 46898971802798354cdba45c421cc340ec938143e03José Fonseca } 46998971802798354cdba45c421cc340ec938143e03José Fonseca 47098971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 47198971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 47285c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin z = out; 47398971802798354cdba45c421cc340ec938143e03José Fonseca break; 47498971802798354cdba45c421cc340ec938143e03José Fonseca } 47598971802798354cdba45c421cc340ec938143e03José Fonseca } 47698971802798354cdba45c421cc340ec938143e03José Fonseca } 47798971802798354cdba45c421cc340ec938143e03José Fonseca } 47898971802798354cdba45c421cc340ec938143e03José Fonseca 479d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (!early_depth_stencil_test) 480d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 481d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 48286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 4836a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 4846a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 4856a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 4866a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 4876a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 4888e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 48998971802798354cdba45c421cc340ec938143e03José Fonseca 49098971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 49198971802798354cdba45c421cc340ec938143e03José Fonseca 49298971802798354cdba45c421cc340ec938143e03José Fonseca} 49398971802798354cdba45c421cc340ec938143e03José Fonseca 49498971802798354cdba45c421cc340ec938143e03José Fonseca 49598971802798354cdba45c421cc340ec938143e03José Fonseca/** 4965811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 497f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param rt the render target index (to index blend, colormask state) 498f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param type the pixel color type 499f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param context_ptr pointer to the runtime JIT context 500f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param mask execution mask (active fragment/pixel mask) 501f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param src colors from the fragment shader 502f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param dst_ptr the destination color buffer pointer 50398971802798354cdba45c421cc340ec938143e03José Fonseca */ 50498971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 50598971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 506f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt, 50798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 508b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 509635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 51098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 51198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 51298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 51398971802798354cdba45c421cc340ec938143e03José Fonseca{ 51498971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 515c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 516c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 51798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 518635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 51998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 52098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 52198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 52298971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 52398971802798354cdba45c421cc340ec938143e03José Fonseca 524c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 525c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 526c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 527f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 528f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 529c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 530c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 53198971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 53298971802798354cdba45c421cc340ec938143e03José Fonseca 533635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 534635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 535635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 536635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 537f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* load constant blend color and colors from the dest color buffer */ 53898971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 53998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 540635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 54198971802798354cdba45c421cc340ec938143e03José Fonseca 54298971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 54398971802798354cdba45c421cc340ec938143e03José Fonseca 54498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 54598971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 54698971802798354cdba45c421cc340ec938143e03José Fonseca } 54798971802798354cdba45c421cc340ec938143e03José Fonseca 548f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* do blend */ 549f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_blend_soa(builder, blend, type, rt, src, dst, con, res); 55098971802798354cdba45c421cc340ec938143e03José Fonseca 551f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* store results to color buffer */ 55298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 553f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul if(blend->rt[rt].colormask & (1 << chan)) { 5544c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 5554c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 5564c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 5574c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 5584c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 55998971802798354cdba45c421cc340ec938143e03José Fonseca } 560c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 561c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 562c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 56398971802798354cdba45c421cc340ec938143e03José Fonseca} 56498971802798354cdba45c421cc340ec938143e03José Fonseca 56598971802798354cdba45c421cc340ec938143e03José Fonseca 5665811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 5675811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 568866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 569866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 570866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 5715811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5723b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic void 57398971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 57498971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 5752797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_fragment_shader_variant *variant, 5762797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test) 57798971802798354cdba45c421cc340ec938143e03José Fonseca{ 57898971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 5793b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key = &variant->key; 580b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 581b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 58298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 58398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 58498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 58586afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMTypeRef arg_types[16]; 58673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 587ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef int32_vec4_type = lp_build_int32_vec4_type(); 588c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 5897c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 5907c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 59173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 59273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 59373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 594c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 59539352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 59686afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef c0, c1, c2, step0_ptr, step1_ptr, step2_ptr, counter = NULL; 59773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 59873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 5998be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 600f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 60198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 602c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 60398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 6043b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMValueRef function; 60522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing; 60698971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 60739352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 60839352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 609c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 61073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6125811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 6135811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 6145811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 615b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 61698971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 61798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 61898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 61998971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 620866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 621866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 62273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 623b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 62498971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 62598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 62698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 62798971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 62898971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 62998971802798354cdba45c421cc340ec938143e03José Fonseca 6305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 63208dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 6335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 63598971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 63698971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 63798971802798354cdba45c421cc340ec938143e03José Fonseca 63898971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 63973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 640c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 641c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 642c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 64322e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[3] = LLVMFloatType(); /* facing */ 64422e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 64522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 64622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[6] = LLVMPointerType(fs_elem_type, 0); /* dady */ 64722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[7] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 64822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[8] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 64922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[9] = LLVMInt32Type(); /* c0 */ 65022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[10] = LLVMInt32Type(); /* c1 */ 65122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[11] = LLVMInt32Type(); /* c2 */ 652ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* Note: the step arrays are built as int32[16] but we interpret 653ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * them here as int32_vec4[4]. 654ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 65522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[12] = LLVMPointerType(int32_vec4_type, 0);/* step0 */ 65622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[13] = LLVMPointerType(int32_vec4_type, 0);/* step1 */ 65722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[14] = LLVMPointerType(int32_vec4_type, 0);/* step2 */ 65886afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li arg_types[15] = LLVMPointerType(LLVMInt32Type(), 0);/* counter */ 65973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 66073af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 66173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6623b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul function = LLVMAddFunction(screen->module, "shader", func_type); 6633b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMSetFunctionCallConv(function, LLVMCCallConv); 6643b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 6652797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[do_tri_test] = function; 6663b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 667c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 668c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 669c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 670c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 671a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 6727c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 6733b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 6743b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 6753b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul context_ptr = LLVMGetParam(function, 0); 6763b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul x = LLVMGetParam(function, 1); 6773b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul y = LLVMGetParam(function, 2); 67822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing = LLVMGetParam(function, 3); 67922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul a0_ptr = LLVMGetParam(function, 4); 68022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dadx_ptr = LLVMGetParam(function, 5); 68122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dady_ptr = LLVMGetParam(function, 6); 68222e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul color_ptr_ptr = LLVMGetParam(function, 7); 68322e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul depth_ptr = LLVMGetParam(function, 8); 68422e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul c0 = LLVMGetParam(function, 9); 68522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul c1 = LLVMGetParam(function, 10); 68622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul c2 = LLVMGetParam(function, 11); 68722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul step0_ptr = LLVMGetParam(function, 12); 68822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul step1_ptr = LLVMGetParam(function, 13); 68922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul step2_ptr = LLVMGetParam(function, 14); 6907c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 691c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 6927c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 6937c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 6945999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 6955999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 6965999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 697f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_name(color_ptr_ptr, "color_ptr_ptr"); 69839352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 699ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c0, "c0"); 700ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c1, "c1"); 701ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c2, "c2"); 702ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step0_ptr, "step0"); 703ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step1_ptr, "step1"); 704ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step2_ptr, "step2"); 70573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 70686afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (key->occlusion_count) { 70786afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li counter = LLVMGetParam(function, 15); 70886afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li lp_build_name(counter, "counter"); 70986afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 71086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li 7115811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 7125811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 7135811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 7145811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 7153b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul block = LLVMAppendBasicBlock(function, "entry"); 71673af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 71773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 71873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7196ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca /* 7206ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * The shader input interpolation info is not explicitely baked in the 7216ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * shader key, but everything it derives from (TGSI, and flatshade) is 7226ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * already included in the shader key. 7236ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca */ 72486f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell lp_build_interp_soa_init(&interp, 7256ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca lp->num_inputs, 7266ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca lp->inputs, 72786f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell builder, fs_type, 728f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 729147dc2354c21f098a2a63a085c21ec10252cab24José Fonseca x, y); 730f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 731e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 732e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 733c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 734866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 73598971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 73698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 737c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 73898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 73998971802798354cdba45c421cc340ec938143e03José Fonseca 740f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 741866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 74298971802798354cdba45c421cc340ec938143e03José Fonseca 74398971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 74498971802798354cdba45c421cc340ec938143e03José Fonseca 745635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 74698971802798354cdba45c421cc340ec938143e03José Fonseca builder, 74798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 748635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 74998971802798354cdba45c421cc340ec938143e03José Fonseca i, 750f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 7518be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 752ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 75398971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 754ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 75522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing, 7562797f2bf57562c95a601a67edca3089641215cc4Brian Paul do_tri_test, 757ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0, c1, c2, 75886afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li step0_ptr, step1_ptr, step2_ptr, counter); 75998971802798354cdba45c421cc340ec938143e03José Fonseca 760c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 761c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 762c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 76398971802798354cdba45c421cc340ec938143e03José Fonseca } 76439352b34438affc36ce22852bb55359d304a522cJosé Fonseca 7658be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 7668be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 767c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 7685811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 769c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 770c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 771c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 772f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul LLVMValueRef blend_in_color[NUM_CHANNELS]; 773f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt; 7745811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 775c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 776c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 777c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 778c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 779c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 780c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 781c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 782c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 783c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 784635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 785c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 786c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_mask, num_fs, 787c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_mask, 1); 788c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 789c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 790c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 791c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 792c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 793c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 794f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* which blend/colormask state to use */ 795f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt = key->blend.independent_blend_enable ? cbuf : 0; 796f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul 797c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 798c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 799c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 800c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 801f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt, 802c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 803c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 804c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 805c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 806c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 807c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 80873af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 80973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8105811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 81173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 81273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 813946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 8145811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 815f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 8164ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 8173b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul if(LLVMVerifyFunction(function, LLVMPrintMessageAction)) { 818f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8198ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 820f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 821a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 8224ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 823a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 824f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 825f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8263b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMRunFunctionPassManager(screen->pass, function); 82773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8288a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca if (gallivm_debug & GALLIVM_DEBUG_IR) { 829f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 8308ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 8312584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("\n"); 8322584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 83373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 834f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 835f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 836f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 8378dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul { 8388dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul void *f = LLVMGetPointerToGlobal(screen->engine, function); 8398dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul 840f503b3dd9d6522abdabab1e25d0652c9d3079421José Fonseca variant->jit_function[do_tri_test] = (lp_jit_frag_func)pointer_to_func(f); 84173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8428a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca if (gallivm_debug & GALLIVM_DEBUG_ASM) { 8438dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul lp_disassemble(f); 8448a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca } 8458dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul } 8463b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul} 8473b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8483b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 849c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paulstatic void 850c2a036d4efeca80263e4d212532e46dfc525b9daBrian Pauldump_fs_variant_key(const struct lp_fragment_shader_variant_key *key) 851c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul{ 852c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul unsigned i; 853c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 854d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("fs variant %p:\n", (void *) key); 855d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul 856c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->depth.enabled) { 857c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.format = %s\n", util_format_name(key->zsbuf_format)); 858c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.func = %s\n", util_dump_func(key->depth.func, TRUE)); 859c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.writemask = %u\n", key->depth.writemask); 860c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 861c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 862c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul for (i = 0; i < 2; ++i) { 863c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->stencil[i].enabled) { 864c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].func = %s\n", i, util_dump_func(key->stencil[i].func, TRUE)); 865c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].fail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].fail_op, TRUE)); 866c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].zpass_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zpass_op, TRUE)); 867c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].zfail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zfail_op, TRUE)); 868c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].valuemask = 0x%x\n", i, key->stencil[i].valuemask); 869c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].writemask = 0x%x\n", i, key->stencil[i].writemask); 870c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 871c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 872c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 873c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->alpha.enabled) { 874c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("alpha.func = %s\n", util_dump_func(key->alpha.func, TRUE)); 875c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 876c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 877c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 878c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->blend.logicop_enable) { 87975189ef960d2f7001d2b24e7c1939d0a647c0cf1Brian Paul debug_printf("blend.logicop_func = %s\n", util_dump_logicop(key->blend.logicop_func, TRUE)); 880c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 881c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul else if (key->blend.rt[0].blend_enable) { 882c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("blend.rgb_func = %s\n", util_dump_blend_func (key->blend.rt[0].rgb_func, TRUE)); 883d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.rgb_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_src_factor, TRUE)); 884d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.rgb_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_dst_factor, TRUE)); 885d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_func = %s\n", util_dump_blend_func (key->blend.rt[0].alpha_func, TRUE)); 886d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_src_factor, TRUE)); 887d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_dst_factor, TRUE)); 888c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 889c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("blend.colormask = 0x%x\n", key->blend.rt[0].colormask); 890c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul for (i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 891c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->sampler[i].format) { 892c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("sampler[%u] = \n", i); 893c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .format = %s\n", 894c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_format_name(key->sampler[i].format)); 895c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .target = %s\n", 896c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_target(key->sampler[i].target, TRUE)); 897c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .pot = %u %u %u\n", 898c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_width, 899c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_height, 900c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_depth); 901c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .wrap = %s %s %s\n", 902c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 903c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 904c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 905c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .min_img_filter = %s\n", 906c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 907c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .min_mip_filter = %s\n", 908c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 909c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .mag_img_filter = %s\n", 910c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 911c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 912c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .compare_func = %s\n", util_dump_func(key->sampler[i].compare_func, TRUE)); 913c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 914c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 915c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 916c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul} 917c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 918c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 919c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 9203b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic struct lp_fragment_shader_variant * 9213b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulgenerate_variant(struct llvmpipe_context *lp, 9223b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader *shader, 9233b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key) 9243b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul{ 9253b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader_variant *variant; 9263b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9278a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca if (gallivm_debug & GALLIVM_DEBUG_IR) { 9283b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul tgsi_dump(shader->base.tokens, 0); 929c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul dump_fs_variant_key(key); 9303b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9313b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9323b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = CALLOC_STRUCT(lp_fragment_shader_variant); 9333b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(!variant) 9343b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul return NULL; 9353b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9363b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul memcpy(&variant->key, key, sizeof *key); 937818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 9384c4f98c6fcabc4a2c9ede3647de390a4585cf58aJosé Fonseca generate_fragment(lp, shader, variant, RAST_WHOLE); 9394c4f98c6fcabc4a2c9ede3647de390a4585cf58aJosé Fonseca generate_fragment(lp, shader, variant, RAST_EDGE_TEST); 9409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 94110fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca /* TODO: most of these can be relaxed, in particular the colormask */ 94210fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca variant->opaque = 94310fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.logicop_enable && 94410fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.rt[0].blend_enable && 94510fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca key->blend.rt[0].colormask == 0xf && 94610fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->stencil[0].enabled && 94710fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->alpha.enabled && 94810fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->depth.enabled && 94910fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->scissor && 95010fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !shader->info.uses_kill 95110fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca ? TRUE : FALSE; 95210fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca 9533b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul /* insert new variant into linked list */ 9549ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->next = shader->variants; 9559ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->variants = variant; 9569ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9579ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 9589ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 9599ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9609ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9619523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void * 9629ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 9639ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 9649ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 9659ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 9669ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9679ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 9689ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 9699ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 9709ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9719ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 9729ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 9739ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9749ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 9759ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 9769ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 977524ec6464d5c9d66b58c78c5e68c3bcb6a845f69José Fonseca if (LP_DEBUG & DEBUG_TGSI) { 978149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca unsigned attrib; 979ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul debug_printf("llvmpipe: Create fragment shader %p:\n", (void *) shader); 980ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul tgsi_dump(templ->tokens, 0); 981149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf("usage masks:\n"); 982149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca for (attrib = 0; attrib < shader->info.num_inputs; ++attrib) { 983149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca unsigned usage_mask = shader->info.input_usage_mask[attrib]; 984149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf(" IN[%u].%s%s%s%s\n", 985149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca attrib, 986149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_X ? "x" : "", 987149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_Y ? "y" : "", 988149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_Z ? "z" : "", 989149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_W ? "w" : ""); 990149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca } 991149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf("\n"); 992ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul } 993ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul 99473af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 995946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 996946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 997946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 9989523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 999946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 1000946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1001946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1002946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1003080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 1004080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 1005080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 1006080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 1007080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 1008080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 1009946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1010c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 1011946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 1012946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1013946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 10149523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 1015946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 1016946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1017e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1018e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 101973af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 10209ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 1021946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1022e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 102331d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 10249ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10254d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca /* 10264d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * XXX: we need to flush the context until we have some sort of reference 10274d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * counting in fragment shaders as they may still be binned 10284d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca */ 10294d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca draw_flush(llvmpipe->draw); 10304d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca lp_setup_flush(llvmpipe->setup, 0); 10314d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca 10329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 10339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 10349ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 10352797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned i; 10369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10372797f2bf57562c95a601a67edca3089641215cc4Brian Paul for (i = 0; i < Elements(variant->function); i++) { 10382797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->function[i]) { 10392797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->jit_function[i]) 10402797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMFreeMachineCodeForFunction(screen->engine, 10412797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[i]); 10422797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMDeleteFunction(variant->function[i]); 10432797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 10449ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 10459ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10469ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 10479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10489ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 104973af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 105073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 105173af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 105273af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 1053946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 1054946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1055946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1056946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 10579523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 1058946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 1059946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 1060287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell struct pipe_resource *constants) 1061946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1062946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1063287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell unsigned size = constants ? constants->width0 : 0; 10640639765b2850739af1678f10fc0c5706d5827776Brian Paul const void *data = constants ? llvmpipe_resource_data(constants) : NULL; 1065946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1066946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 1067946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 1068946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1069ba5d600c90f7075cf2c33a0c5c679ef822e8746eJosé Fonseca if(llvmpipe->constants[shader] == constants) 1070d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 1071d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 1072080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 107369588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 1074946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 1075287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell pipe_resource_reference(&llvmpipe->constants[shader], constants); 107669588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 107769588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 10789851644435f991a1a1bbb145333a97601627b37dMichal Krol draw_set_mapped_constant_buffer(llvmpipe->draw, PIPE_SHADER_VERTEX, 0, 107989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin data, size); 108069588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca } 1081946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1082c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 1083946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 10849ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10859ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1086635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 108759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Return the blend factor equivalent to a destination alpha of one. 108859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 108959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecastatic INLINE unsigned 109059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecaforce_dst_alpha_one(unsigned factor, boolean alpha) 109159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca{ 109259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 109359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_ALPHA: 109459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 109559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_ALPHA: 109659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 109759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 109859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 109959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 110059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 110159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (alpha) { 110259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 110359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_COLOR: 110459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 110559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_COLOR: 110659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 110759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 110859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 110959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 111059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return factor; 111159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca} 111259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 111359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 111459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca/** 1115635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 1116635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 1117635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 1118635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 1119635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 1120635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 1121635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 1122635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 1123e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 1124635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 1125635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 1126e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 1127e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1128635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 1129635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 113067b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->framebuffer.zsbuf) { 113167b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->depth.enabled) { 113267b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 113367b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 113467b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 113567b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->stencil[0].enabled) { 113667b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 113767b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->stencil, &lp->depth_stencil->stencil, sizeof key->stencil); 113867b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 1139cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 1140635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1141635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1142635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 1143635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 1144635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 1145635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 114686f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade = lp->rasterizer->flatshade; 11474461442849bfdb817334b38567136f7f9dabdf59Brian Paul key->scissor = lp->rasterizer->scissor; 114886afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (lp->active_query_count) { 114986afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li key->occlusion_count = TRUE; 115086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 11514c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1152c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 11534c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca memcpy(&key->blend, lp->blend, sizeof key->blend); 1154c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 11554c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1156c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 1157c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 115859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca struct pipe_rt_blend_state *blend_rt = &key->blend.rt[i]; 11594c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 11604c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 11614c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1162c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell format_desc = util_format_description(lp->framebuffer.cbufs[i]->format); 11636ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca assert(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB || 11646ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB); 11654c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 116659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->colormask = lp->blend->rt[i].colormask; 1167862d014ba91f0b959465a48005e94f530f0374a5Brian Paul 1168c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* mask out color channels not present in the color buffer. 1169c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Should be simple to incorporate per-cbuf writemasks: 1170c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 11714c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 11724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 1173c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1174862d014ba91f0b959465a48005e94f530f0374a5Brian Paul if(swizzle > UTIL_FORMAT_SWIZZLE_W) 117559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->colormask &= ~(1 << chan); 117659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 117759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 117859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca /* 117959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Our swizzled render tiles always have an alpha channel, but the linear 118059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * render target format often does not, so force here the dst alpha to be 118159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * one. 118259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 118359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * This is not a mere optimization. Wrong results will be produced if the 118459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * dst alpha is used, the dst format does not have alpha, and the previous 118559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * rendering was not flushed from the swizzled to linear buffer. For 118659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * example, NonPowTwo DCT. 118759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 118859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * TODO: This should be generalized to all channels for better 118959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * performance, but only alpha causes correctness issues. 119059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 119159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (format_desc->swizzle[3] > UTIL_FORMAT_SWIZZLE_W) { 119259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_src_factor = force_dst_alpha_one(blend_rt->rgb_src_factor, FALSE); 119359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_dst_factor = force_dst_alpha_one(blend_rt->rgb_dst_factor, FALSE); 119459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_src_factor = force_dst_alpha_one(blend_rt->alpha_src_factor, TRUE); 119559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_dst_factor = force_dst_alpha_one(blend_rt->alpha_dst_factor, TRUE); 11964c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 11974c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 1198e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1199e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 1200e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 1201d67e3487ac4c678892d0aea535cacfd5f1d86a27José Fonseca lp_sampler_static_state(&key->sampler[i], lp->fragment_sampler_views[i], lp->sampler[i]); 1202635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 1203635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1204635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 12054769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul/** 12064769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * Update fragment state. This is called just prior to drawing 12074769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * something when some fragment-related state has changed. 12084769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul */ 12095811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 12105811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 12119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 12129ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 1213e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 12149ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 12159ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1216e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 1217e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 12189ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 12199ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 1220e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 12219ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 12229ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 12239ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 12249ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 12259ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1226e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul if (!variant) { 1227a8270c7c29b141025f606c811812304a72e42d2eBrian Paul int64_t t0, t1; 1228e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul int64_t dt; 1229a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t0 = os_time_get(); 1230e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul 12313b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = generate_variant(lp, shader, &key); 12329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1233a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t1 = os_time_get(); 1234a8270c7c29b141025f606c811812304a72e42d2eBrian Paul dt = t1 - t0; 1235e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(llvm_compile_time, dt); 1236e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ 1237e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul } 12389ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 123918fb9ff6d8f58a08e559070cf29f26ed0caa567fJosé Fonseca lp_setup_set_fs_variant(lp->setup, variant); 12409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 12419523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12429523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12439523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12449523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulvoid 12459523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulllvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe) 12469523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul{ 12479523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state; 12489523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state; 12499523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state; 12509523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12519523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer; 12529523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul} 1253