lp_state_fs.c revision 078eff659a7ef90691966d983f35ed9e4ce63901
1946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca/************************************************************************** 2946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 373af91e938eb27b001404f11195fb06ff9b08903José Fonseca * Copyright 2009 VMware, Inc. 4946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 5946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * All Rights Reserved. 6946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 7946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Permission is hereby granted, free of charge, to any person obtaining a 8946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * copy of this software and associated documentation files (the 9946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * "Software"), to deal in the Software without restriction, including 10946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * without limitation the rights to use, copy, modify, merge, publish, 11946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * distribute, sub license, and/or sell copies of the Software, and to 12946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * permit persons to whom the Software is furnished to do so, subject to 13946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * the following conditions: 14946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 15946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * The above copyright notice and this permission notice (including the 16946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * next paragraph) shall be included in all copies or substantial portions 17946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * of the Software. 18946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 19946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 27946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca **************************************************************************/ 28946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 295811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @file 315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Code generate the whole fragment pipeline. 325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * The fragment pipeline consists of the following stages: 345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - early depth test 355811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - fragment shader 365811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - alpha test 37d84b8cb1a8e3ce846de9affe2f72457c6e698872Brian Paul * - depth/stencil test 385811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - blending 395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 40272f399434ad6b33a8444c287c5126987a222864Brian Paul * This file has only the glue to assemble the fragment pipeline. The actual 415811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * plumbing of converting Gallium state into LLVM IR is done elsewhere, in the 425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * lp_bld_*.[ch] files, and in a complete generic and reusable way. Here we 435811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * muster the LLVM JIT execution engine to create a function that follows an 445811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * established binary interface and that can be called from C directly. 455811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 465811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * A big source of complexity here is that we often want to run different 475811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * stages with different precisions and data types and precisions. For example, 485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * the fragment shader needs typically to be done in floats, but the 495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * depth/stencil test and blending is better done in the type that most closely 505811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * matches the depth/stencil and color buffer respectively. 515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Since the width of a SIMD vector register stays the same regardless of the 535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * element type, different types imply different number of elements, so we must 545811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * code generate more instances of the stages with larger types to be able to 555811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * feed/consume the stages with smaller types. 565811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 575811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @author Jose Fonseca <jfonseca@vmware.com> 585811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 595811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 60f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#include <limits.h> 61946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_defines.h" 6228486880ca3ec39419ccee0cb1a3bedc9ef7117cJosé Fonseca#include "util/u_inlines.h" 63946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 64f503b3dd9d6522abdabab1e25d0652c9d3079421José Fonseca#include "util/u_pointer.h" 65e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 66abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca#include "util/u_dump.h" 6781862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca#include "util/u_string.h" 6817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger#include "util/u_simple_list.h" 69a8270c7c29b141025f606c811812304a72e42d2eBrian Paul#include "os/os_time.h" 70946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_shader_tokens.h" 71946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "draw/draw_context.h" 72946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_dump.h" 73946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_scan.h" 74946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_parse.h" 75c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_type.h" 76c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_const.h" 77c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_conv.h" 78078eff659a7ef90691966d983f35ed9e4ce63901Vinson Lee#include "gallivm/lp_bld_init.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" 9717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger#include "lp_flush.h" 98d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell#include "lp_state_fs.h" 9973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 10073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 101489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul#include <llvm-c/Analysis.h> 102489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul 103489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul 10481862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonsecastatic unsigned fs_no = 0; 10581862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 10681862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 1075811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 108227824ac6999a8925b90f093b08a6284d33a7dadBrian Paul * Generate the depth /stencil test code. 1095811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 110e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 111d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paulgenerate_depth_stencil(LLVMBuilderRef builder, 112d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul const struct lp_fragment_shader_variant_key *key, 113d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul struct lp_type src_type, 114d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul struct lp_build_mask_context *mask, 115521c61ff017ab15b829abbe9a98b179136a36009Brian Paul LLVMValueRef stencil_refs[2], 116d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul LLVMValueRef src, 11722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef dst_ptr, 11886afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef facing, 11986afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef counter) 120e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 121e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 122b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 123e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1249d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca if (!key->depth.enabled && !key->stencil[0].enabled && !key->stencil[1].enabled) 1259d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca return; 1269d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca 127cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 128e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 129e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1302282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1312282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1322282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1332282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1342282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1352282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1362282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1372282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1382282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1392282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1402282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1412282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1422282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1432282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1445811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 145e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 146e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1475811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 148e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 149e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 150e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 151d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul /* Convert fragment Z from float to integer */ 152e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1532282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1542282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1552282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1562282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 157d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul lp_build_depth_stencil_test(builder, 158d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul &key->depth, 159d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul key->stencil, 160d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul dst_type, 161d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul format_desc, 162d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul mask, 163d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul stencil_refs, 164d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul src, 16522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dst_ptr, 16686afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li facing, 16786afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li counter); 168e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 169e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 170e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 17198971802798354cdba45c421cc340ec938143e03José Fonseca/** 172d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * Expand the relevent bits of mask_input to a 4-dword mask for the 173ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * four pixels in a 2x2 quad. This will set the four elements of the 174ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * quad mask vector to 0 or ~0. 175d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * 176d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * \param quad which quad of the quad group to test, in [0,3] 177d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * \param mask_input bitwise mask for the whole 4x4 stamp 178ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 179d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwellstatic LLVMValueRef 180d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwellgenerate_quad_mask(LLVMBuilderRef builder, 181d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell struct lp_type fs_type, 182d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell unsigned quad, 183d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef mask_input) /* int32 */ 184ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul{ 185d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell struct lp_type mask_type; 186d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMTypeRef i32t = LLVMInt32Type(); 187d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef bits[4]; 188d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef mask; 189ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 190f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 191d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * XXX: We'll need a different path for 16 x u8 192f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 193d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell assert(fs_type.width == 32); 194d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell assert(fs_type.length == 4); 195d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_type = lp_int_type(fs_type); 19646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 197d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell /* 198d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * mask_input >>= (quad * 4) 1999a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul */ 200ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 201d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input = LLVMBuildLShr(builder, 202d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input, 203d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMConstInt(i32t, quad * 4, 0), 204d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell ""); 205ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 206d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell /* 207d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * mask = { mask_input & (1 << i), for i in [0,3] } 208d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell */ 2094461442849bfdb817334b38567136f7f9dabdf59Brian Paul 210d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask = lp_build_broadcast(builder, lp_build_vec_type(mask_type), mask_input); 2114461442849bfdb817334b38567136f7f9dabdf59Brian Paul 212d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell bits[0] = LLVMConstInt(i32t, 1 << 0, 0); 213d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell bits[1] = LLVMConstInt(i32t, 1 << 1, 0); 214d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell bits[2] = LLVMConstInt(i32t, 1 << 2, 0); 215d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell bits[3] = LLVMConstInt(i32t, 1 << 3, 0); 2164461442849bfdb817334b38567136f7f9dabdf59Brian Paul 217d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask = LLVMBuildAnd(builder, mask, LLVMConstVector(bits, 4), ""); 2184461442849bfdb817334b38567136f7f9dabdf59Brian Paul 219d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell /* 220d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * mask = mask != 0 ? ~0 : 0 221d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell */ 2224461442849bfdb817334b38567136f7f9dabdf59Brian Paul 223d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask = lp_build_compare(builder, 224d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_type, PIPE_FUNC_NOTEQUAL, 225d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask, 226d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell lp_build_const_int_vec(mask_type, 0)); 2274461442849bfdb817334b38567136f7f9dabdf59Brian Paul 228d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell return mask; 2292797f2bf57562c95a601a67edca3089641215cc4Brian Paul} 2302797f2bf57562c95a601a67edca3089641215cc4Brian Paul 2312797f2bf57562c95a601a67edca3089641215cc4Brian Paul 2322797f2bf57562c95a601a67edca3089641215cc4Brian Paul 233ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 2345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 235ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 236d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * \param partial_mask if 1, do mask_input testing 23798971802798354cdba45c421cc340ec938143e03José Fonseca */ 23898971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 23998971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 24098971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 24198971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 24298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 243b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 244635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 24598971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 246f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 2478be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 24898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 249c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 250ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 25122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing, 252d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell unsigned partial_mask, 253d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef mask_input, 25486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef counter) 25573af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 25673af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 25773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 258635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 25998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 260f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 261521c61ff017ab15b829abbe9a98b179136a36009Brian Paul LLVMValueRef stencil_refs[2]; 2628e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 26398971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 264d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul boolean early_depth_stencil_test; 26598971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 26698971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 267c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 26898971802798354cdba45c421cc340ec938143e03José Fonseca 269ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 27098971802798354cdba45c421cc340ec938143e03José Fonseca 271521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[0] = lp_jit_context_stencil_ref_front_value(builder, context_ptr); 272521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[1] = lp_jit_context_stencil_ref_back_value(builder, context_ptr); 27367b82fc395fc9972fc08233044057ab540c7ab59Brian Paul 27498971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 27598971802798354cdba45c421cc340ec938143e03José Fonseca 276635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 277635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 2788e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 2798e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2808e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 2818e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2828e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 2838e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2848e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 285c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 286c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 287c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 288c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 289c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 2908e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 2916a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 2928e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 293ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 294d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell if (partial_mask) { 295d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell *pmask = generate_quad_mask(builder, type, 296d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell i, mask_input); 2972797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 2982797f2bf57562c95a601a67edca3089641215cc4Brian Paul else { 299d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell *pmask = lp_build_const_int_vec(type, ~0); 3002797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 301ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 3025771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 3038e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 30498971802798354cdba45c421cc340ec938143e03José Fonseca 305d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul early_depth_stencil_test = 306d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul (key->depth.enabled || key->stencil[0].enabled) && 307cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 308cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 309cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 31098971802798354cdba45c421cc340ec938143e03José Fonseca 311d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (early_depth_stencil_test) 312d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 313d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 31486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 31598971802798354cdba45c421cc340ec938143e03José Fonseca 31698971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 317f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 318021e0dc78b15fab29e761012860276c2597c8d8fZack Rusin outputs, sampler, &shader->info); 31998971802798354cdba45c421cc340ec938143e03José Fonseca 320f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* loop over fragment shader outputs/results */ 32198971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 32298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 32398971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 32485c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); 32585c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "output%u.%u.%c", i, attrib, "xyzw"[chan]); 32698971802798354cdba45c421cc340ec938143e03José Fonseca 32798971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 32898971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 32998971802798354cdba45c421cc340ec938143e03José Fonseca { 33098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 33198971802798354cdba45c421cc340ec938143e03José Fonseca 33285c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "color%u.%u.%c", i, attrib, "rgba"[chan]); 33398971802798354cdba45c421cc340ec938143e03José Fonseca 33498971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 33598971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 336c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 337635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 33885c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef alpha = out; 339635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 340635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 341635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 34298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 343635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 344635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 34598971802798354cdba45c421cc340ec938143e03José Fonseca 34685c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin color[cbuf][chan] = out; 34798971802798354cdba45c421cc340ec938143e03José Fonseca break; 34898971802798354cdba45c421cc340ec938143e03José Fonseca } 34998971802798354cdba45c421cc340ec938143e03José Fonseca 35098971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 35198971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 35285c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin z = out; 35398971802798354cdba45c421cc340ec938143e03José Fonseca break; 35498971802798354cdba45c421cc340ec938143e03José Fonseca } 35598971802798354cdba45c421cc340ec938143e03José Fonseca } 35698971802798354cdba45c421cc340ec938143e03José Fonseca } 35798971802798354cdba45c421cc340ec938143e03José Fonseca } 35898971802798354cdba45c421cc340ec938143e03José Fonseca 359d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (!early_depth_stencil_test) 360d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 361d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 36286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 3636a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3646a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 3656a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3666a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 3676a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3688e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 36998971802798354cdba45c421cc340ec938143e03José Fonseca 37098971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 37198971802798354cdba45c421cc340ec938143e03José Fonseca 37298971802798354cdba45c421cc340ec938143e03José Fonseca} 37398971802798354cdba45c421cc340ec938143e03José Fonseca 37498971802798354cdba45c421cc340ec938143e03José Fonseca 37598971802798354cdba45c421cc340ec938143e03José Fonseca/** 3765811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 377f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param rt the render target index (to index blend, colormask state) 378f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param type the pixel color type 379f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param context_ptr pointer to the runtime JIT context 380f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param mask execution mask (active fragment/pixel mask) 381f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param src colors from the fragment shader 382f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param dst_ptr the destination color buffer pointer 38398971802798354cdba45c421cc340ec938143e03José Fonseca */ 38498971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 38598971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 386f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt, 38798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 388b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 389635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 39098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 39198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 39298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 39398971802798354cdba45c421cc340ec938143e03José Fonseca{ 39498971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 395c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 396c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 39798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 398635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 39998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 40098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 40198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 40298971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 40398971802798354cdba45c421cc340ec938143e03José Fonseca 404c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 405c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 406c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 407f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 408f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 409c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 410c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 41198971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 41298971802798354cdba45c421cc340ec938143e03José Fonseca 413635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 414635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 415635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 416635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 417f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* load constant blend color and colors from the dest color buffer */ 41898971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 41998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 420635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 42198971802798354cdba45c421cc340ec938143e03José Fonseca 42298971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 42398971802798354cdba45c421cc340ec938143e03José Fonseca 42498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 42598971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 42698971802798354cdba45c421cc340ec938143e03José Fonseca } 42798971802798354cdba45c421cc340ec938143e03José Fonseca 428f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* do blend */ 429f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_blend_soa(builder, blend, type, rt, src, dst, con, res); 43098971802798354cdba45c421cc340ec938143e03José Fonseca 431f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* store results to color buffer */ 43298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 433f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul if(blend->rt[rt].colormask & (1 << chan)) { 4344c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 4354c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 4364c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 4374c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 4384c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 43998971802798354cdba45c421cc340ec938143e03José Fonseca } 440c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 441c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 442c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 44398971802798354cdba45c421cc340ec938143e03José Fonseca} 44498971802798354cdba45c421cc340ec938143e03José Fonseca 44598971802798354cdba45c421cc340ec938143e03José Fonseca 4465811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 4475811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 448866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 449866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 450866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 4515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 4523b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic void 45398971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 45498971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 4552797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_fragment_shader_variant *variant, 456d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell unsigned partial_mask) 45798971802798354cdba45c421cc340ec938143e03José Fonseca{ 45898971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 4593b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key = &variant->key; 46081862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca char func_name[256]; 461b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 462b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 46398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 46498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 46598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 466d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMTypeRef arg_types[11]; 46773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 468c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 4697c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 4707c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 47173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 47273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 47373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 474c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 47539352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 476d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef mask_input; 477d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef counter = NULL; 47873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 47973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 4808be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 481f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 48298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 483c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 48498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 4853b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMValueRef function; 48622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing; 48798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 48839352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 48939352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 490c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 49173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 4929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 4935811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 4945811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 4955811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 496b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 49798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 49898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 49998971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 50098971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 501866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 502866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 50373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 504b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 50598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 50698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 50798971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 50898971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 50998971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 51098971802798354cdba45c421cc340ec938143e03José Fonseca 5115811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5125811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 51308dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 5145811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5155811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 51698971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 51798971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 51898971802798354cdba45c421cc340ec938143e03José Fonseca 51998971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 52073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 52181862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca util_snprintf(func_name, sizeof(func_name), "fs%u_variant%u_%s", 522d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell shader->no, variant->no, partial_mask ? "partial" : "whole"); 52381862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 524c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 525c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 526c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 52722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[3] = LLVMFloatType(); /* facing */ 52822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 52922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 53022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[6] = LLVMPointerType(fs_elem_type, 0); /* dady */ 53122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[7] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 53222e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[8] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 533d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell arg_types[9] = LLVMInt32Type(); /* mask_input */ 534d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell arg_types[10] = LLVMPointerType(LLVMInt32Type(), 0);/* counter */ 53573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 53673af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 53773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 53881862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca function = LLVMAddFunction(screen->module, func_name, func_type); 5393b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMSetFunctionCallConv(function, LLVMCCallConv); 5403b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 541d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell variant->function[partial_mask] = function; 5423b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 543c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 544c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 545c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 546c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 547a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 5487c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 5493b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 5503b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 5513b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul context_ptr = LLVMGetParam(function, 0); 5523b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul x = LLVMGetParam(function, 1); 5533b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul y = LLVMGetParam(function, 2); 55422e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing = LLVMGetParam(function, 3); 55522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul a0_ptr = LLVMGetParam(function, 4); 55622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dadx_ptr = LLVMGetParam(function, 5); 55722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dady_ptr = LLVMGetParam(function, 6); 55822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul color_ptr_ptr = LLVMGetParam(function, 7); 55922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul depth_ptr = LLVMGetParam(function, 8); 560d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input = LLVMGetParam(function, 9); 5617c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 562c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 5637c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 5647c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 5655999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 5665999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 5675999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 568f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_name(color_ptr_ptr, "color_ptr_ptr"); 56939352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 570d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell lp_build_name(mask_input, "mask_input"); 57173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 57286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (key->occlusion_count) { 573d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell counter = LLVMGetParam(function, 10); 57486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li lp_build_name(counter, "counter"); 57586afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 57686afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li 5775811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5785811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 5795811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5805811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 5813b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul block = LLVMAppendBasicBlock(function, "entry"); 58273af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 58373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 58473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 5856ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca /* 5866ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * The shader input interpolation info is not explicitely baked in the 5876ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * shader key, but everything it derives from (TGSI, and flatshade) is 5886ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * already included in the shader key. 5896ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca */ 59086f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell lp_build_interp_soa_init(&interp, 5916ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca lp->num_inputs, 5926ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca lp->inputs, 59386f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell builder, fs_type, 594f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 595147dc2354c21f098a2a63a085c21ec10252cab24José Fonseca x, y); 596f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 597e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 598e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 599c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 600866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 60198971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 60298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 603c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 60498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 60598971802798354cdba45c421cc340ec938143e03José Fonseca 606f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 607866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 60898971802798354cdba45c421cc340ec938143e03José Fonseca 60998971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 61098971802798354cdba45c421cc340ec938143e03José Fonseca 611635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 61298971802798354cdba45c421cc340ec938143e03José Fonseca builder, 61398971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 614635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 61598971802798354cdba45c421cc340ec938143e03José Fonseca i, 616f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 6178be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 618ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 61998971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 620ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 62122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing, 622d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell partial_mask, 623d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input, 624d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell counter); 62598971802798354cdba45c421cc340ec938143e03José Fonseca 626c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 627c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 628c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 62998971802798354cdba45c421cc340ec938143e03José Fonseca } 63039352b34438affc36ce22852bb55359d304a522cJosé Fonseca 6318be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 6328be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 633c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 6345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 635c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 636c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 637c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 638f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul LLVMValueRef blend_in_color[NUM_CHANNELS]; 639f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt; 6405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 641c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 642c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 643c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 644c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 645c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 646c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 647c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 648c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 649c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 650635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 651d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell if (partial_mask || !variant->opaque) { 652d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 653d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell fs_mask, num_fs, 654d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell &blend_mask, 1); 655d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell } else { 656d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell blend_mask = lp_build_const_int_vec(blend_type, ~0); 657d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell } 658c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 659c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 660c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 661c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 662c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 663c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 664f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* which blend/colormask state to use */ 665f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt = key->blend.independent_blend_enable ? cbuf : 0; 666f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul 667c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 668c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 669c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 670c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 671f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt, 672c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 673c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 674c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 675c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 676c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 677c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 67873af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 67973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 680e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca#ifdef PIPE_ARCH_X86 681e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca /* Avoid corrupting the FPU stack on 32bit OSes. */ 682e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0); 683e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca#endif 684e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca 6855811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 68673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 68773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 688946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 6895811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 690f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 6914ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 6923b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul if(LLVMVerifyFunction(function, LLVMPrintMessageAction)) { 693f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 6948ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 695f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 696a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 6974ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 698a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 699f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 700d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMRunFunctionPassManager(screen->pass, function); 70173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7028a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca if (gallivm_debug & GALLIVM_DEBUG_IR) { 703f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 7048ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 7052584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("\n"); 7062584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 70773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 708f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 709f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 710f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 7118dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul { 7128dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul void *f = LLVMGetPointerToGlobal(screen->engine, function); 7138dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul 714d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell variant->jit_function[partial_mask] = (lp_jit_frag_func)pointer_to_func(f); 71573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7168a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca if (gallivm_debug & GALLIVM_DEBUG_ASM) { 7178dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul lp_disassemble(f); 7188a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca } 719042018a943a403a4d9887b400deb3b3c83ee40c0Zack Rusin lp_func_delete_body(function); 7208dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul } 7213b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul} 7223b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 7233b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 724c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paulstatic void 725c2a036d4efeca80263e4d212532e46dfc525b9daBrian Pauldump_fs_variant_key(const struct lp_fragment_shader_variant_key *key) 726c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul{ 727c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul unsigned i; 728c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 729d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("fs variant %p:\n", (void *) key); 730d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul 731c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->depth.enabled) { 732c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.format = %s\n", util_format_name(key->zsbuf_format)); 733c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.func = %s\n", util_dump_func(key->depth.func, TRUE)); 734c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.writemask = %u\n", key->depth.writemask); 735c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 736c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 737c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul for (i = 0; i < 2; ++i) { 738c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->stencil[i].enabled) { 739c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].func = %s\n", i, util_dump_func(key->stencil[i].func, TRUE)); 740c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].fail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].fail_op, TRUE)); 741c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].zpass_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zpass_op, TRUE)); 742c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].zfail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zfail_op, TRUE)); 743c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].valuemask = 0x%x\n", i, key->stencil[i].valuemask); 744c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].writemask = 0x%x\n", i, key->stencil[i].writemask); 745c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 746c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 747c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 748c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->alpha.enabled) { 749c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("alpha.func = %s\n", util_dump_func(key->alpha.func, TRUE)); 750c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 751c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 752c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 753c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->blend.logicop_enable) { 75475189ef960d2f7001d2b24e7c1939d0a647c0cf1Brian Paul debug_printf("blend.logicop_func = %s\n", util_dump_logicop(key->blend.logicop_func, TRUE)); 755c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 756c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul else if (key->blend.rt[0].blend_enable) { 757c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("blend.rgb_func = %s\n", util_dump_blend_func (key->blend.rt[0].rgb_func, TRUE)); 758d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.rgb_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_src_factor, TRUE)); 759d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.rgb_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_dst_factor, TRUE)); 760d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_func = %s\n", util_dump_blend_func (key->blend.rt[0].alpha_func, TRUE)); 761d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_src_factor, TRUE)); 762d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_dst_factor, TRUE)); 763c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 764c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("blend.colormask = 0x%x\n", key->blend.rt[0].colormask); 765c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul for (i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 766c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->sampler[i].format) { 767c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("sampler[%u] = \n", i); 768c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .format = %s\n", 769c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_format_name(key->sampler[i].format)); 770c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .target = %s\n", 771c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_target(key->sampler[i].target, TRUE)); 772c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .pot = %u %u %u\n", 773c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_width, 774c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_height, 775c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_depth); 776c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .wrap = %s %s %s\n", 777c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 778c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 779c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 780c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .min_img_filter = %s\n", 781c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 782c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .min_mip_filter = %s\n", 783c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 784c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .mag_img_filter = %s\n", 785c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 786c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 787c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .compare_func = %s\n", util_dump_func(key->sampler[i].compare_func, TRUE)); 788c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 789c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 790c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 791c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul} 792c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 793c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 794c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 7953b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic struct lp_fragment_shader_variant * 7963b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulgenerate_variant(struct llvmpipe_context *lp, 7973b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader *shader, 7983b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key) 7993b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul{ 8003b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader_variant *variant; 8013b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8023b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = CALLOC_STRUCT(lp_fragment_shader_variant); 8033b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(!variant) 8043b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul return NULL; 8053b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 806197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader = shader; 80717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->list_item_global.base = variant; 80817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->list_item_local.base = variant; 80917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->no = shader->variants_created++; 81081862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 8113b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul memcpy(&variant->key, key, sizeof *key); 812818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 81381862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca if (gallivm_debug & GALLIVM_DEBUG_IR) { 81481862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca debug_printf("llvmpipe: Creating fragment shader #%u variant #%u:\n", 81581862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca shader->no, variant->no); 81681862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca tgsi_dump(shader->base.tokens, 0); 81781862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca dump_fs_variant_key(key); 81881862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca } 81981862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 8204c4f98c6fcabc4a2c9ede3647de390a4585cf58aJosé Fonseca generate_fragment(lp, shader, variant, RAST_WHOLE); 8214c4f98c6fcabc4a2c9ede3647de390a4585cf58aJosé Fonseca generate_fragment(lp, shader, variant, RAST_EDGE_TEST); 8229ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 82310fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca /* TODO: most of these can be relaxed, in particular the colormask */ 82410fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca variant->opaque = 82510fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.logicop_enable && 82610fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.rt[0].blend_enable && 82710fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca key->blend.rt[0].colormask == 0xf && 82810fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->stencil[0].enabled && 82910fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->alpha.enabled && 83010fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->depth.enabled && 83110fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !shader->info.uses_kill 83210fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca ? TRUE : FALSE; 83310fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca 8349ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 8359ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 8369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8379ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8389523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void * 8399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 8409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 8419ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 8429ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 8439ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8449ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 8459ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 8469ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 8479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 84881862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca shader->no = fs_no++; 84917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger make_empty_list(&shader->variants); 85081862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 8519ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 8529ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 8539ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8549ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 8559ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 8569ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 857524ec6464d5c9d66b58c78c5e68c3bcb6a845f69José Fonseca if (LP_DEBUG & DEBUG_TGSI) { 858149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca unsigned attrib; 85981862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca debug_printf("llvmpipe: Create fragment shader #%u %p:\n", shader->no, (void *) shader); 860ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul tgsi_dump(templ->tokens, 0); 861149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf("usage masks:\n"); 862149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca for (attrib = 0; attrib < shader->info.num_inputs; ++attrib) { 863149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca unsigned usage_mask = shader->info.input_usage_mask[attrib]; 864149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf(" IN[%u].%s%s%s%s\n", 865149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca attrib, 866149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_X ? "x" : "", 867149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_Y ? "y" : "", 868149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_Z ? "z" : "", 869149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_W ? "w" : ""); 870149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca } 871149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf("\n"); 872ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul } 873ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul 87473af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 875946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 876946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 877946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 8789523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 879946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 880946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 881946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 882946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 883080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 884080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 885080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 886080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 887080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 888080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 889946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 890c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 891946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 892946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 89317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheideggerstatic void 89417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheideggerremove_shader_variant(struct llvmpipe_context *lp, 89517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fragment_shader_variant *variant) 89617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger{ 89717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 89817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger unsigned i; 89917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 90017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (gallivm_debug & GALLIVM_DEBUG_IR) { 90117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger debug_printf("llvmpipe: del fs #%u var #%u v created #%u v cached #%u v total cached #%u\n", 902197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader->no, variant->no, variant->shader->variants_created, 903197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader->variants_cached, lp->nr_fs_variants); 90417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 90517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger for (i = 0; i < Elements(variant->function); i++) { 90617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant->function[i]) { 90717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant->jit_function[i]) 90817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger LLVMFreeMachineCodeForFunction(screen->engine, 90917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->function[i]); 91017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger LLVMDeleteFunction(variant->function[i]); 91117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 91217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 91317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_from_list(&variant->list_item_local); 914197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader->variants_cached--; 91517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_from_list(&variant->list_item_global); 91617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger lp->nr_fs_variants--; 91717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger FREE(variant); 91817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger} 919946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 9209523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 921946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 922946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 923e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 92417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct pipe_fence_handle *fence = NULL; 92573af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 92617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fs_variant_list_item *li; 927946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 928e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 92931d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 9309ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9314d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca /* 9324d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * XXX: we need to flush the context until we have some sort of reference 9334d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * counting in fragment shaders as they may still be binned 93417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * Flushing alone might not sufficient we need to wait on it too. 9354d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca */ 9369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 93717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger llvmpipe_flush(pipe, 0, &fence); 9389ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 93917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (fence) { 94017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger pipe->screen->fence_finish(pipe->screen, fence, 0); 94117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger pipe->screen->fence_reference(pipe->screen, &fence, NULL); 94217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 9439ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 94417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger li = first_elem(&shader->variants); 94517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger while(!at_end(&shader->variants, li)) { 946d7f4250333f3649d170d71bfdc5f2faba4e8c5f8José Fonseca struct lp_fs_variant_list_item *next = next_elem(li); 94717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_shader_variant(llvmpipe, li->base); 948d7f4250333f3649d170d71bfdc5f2faba4e8c5f8José Fonseca li = next; 94973af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 95073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 95117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger assert(shader->variants_cached == 0); 95273af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 95373af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 954946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 955946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 956946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 957946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 9589523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 959946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 960946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 961287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell struct pipe_resource *constants) 962946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 963946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 964287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell unsigned size = constants ? constants->width0 : 0; 9650639765b2850739af1678f10fc0c5706d5827776Brian Paul const void *data = constants ? llvmpipe_resource_data(constants) : NULL; 966946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 967946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 968a6d9d18faecef9963be3e4b64a21b89889b4670dKeith Whitwell assert(index < PIPE_MAX_CONSTANT_BUFFERS); 969946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 970a6d9d18faecef9963be3e4b64a21b89889b4670dKeith Whitwell if(llvmpipe->constants[shader][index] == constants) 971d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 972d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 973080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 97469588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 975946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 976a6d9d18faecef9963be3e4b64a21b89889b4670dKeith Whitwell pipe_resource_reference(&llvmpipe->constants[shader][index], constants); 97769588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 978b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin if(shader == PIPE_SHADER_VERTEX || 979b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin shader == PIPE_SHADER_GEOMETRY) { 980b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin draw_set_mapped_constant_buffer(llvmpipe->draw, shader, 981b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin index, data, size); 98269588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca } 983946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 984c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 985946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 9869ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9879ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 988635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 98959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Return the blend factor equivalent to a destination alpha of one. 99059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 99159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecastatic INLINE unsigned 99259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecaforce_dst_alpha_one(unsigned factor, boolean alpha) 99359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca{ 99459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 99559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_ALPHA: 99659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 99759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_ALPHA: 99859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 99959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 100059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 100159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 100259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 100359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (alpha) { 100459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 100559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_COLOR: 100659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 100759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_COLOR: 100859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 100959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 101059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 101159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 101259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return factor; 101359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca} 101459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 101559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 101659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca/** 1017635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 1018635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 1019635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 1020635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 1021635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 1022635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 1023635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 1024635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 1025e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 1026635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 1027635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 1028e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 1029e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1030635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 1031635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 103267b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->framebuffer.zsbuf) { 103367b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->depth.enabled) { 103467b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 103567b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 103667b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 103767b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->stencil[0].enabled) { 103867b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 103967b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->stencil, &lp->depth_stencil->stencil, sizeof key->stencil); 104067b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 1041cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 1042635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1043635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1044635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 1045635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 1046635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 1047635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 104886f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade = lp->rasterizer->flatshade; 104986afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (lp->active_query_count) { 105086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li key->occlusion_count = TRUE; 105186afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 10524c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1053c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 10544c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca memcpy(&key->blend, lp->blend, sizeof key->blend); 1055c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 10564c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1057c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 1058c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 105959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca struct pipe_rt_blend_state *blend_rt = &key->blend.rt[i]; 10604c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 10614c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 10624c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1063c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell format_desc = util_format_description(lp->framebuffer.cbufs[i]->format); 10646ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca assert(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB || 10656ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB); 10664c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 106759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->colormask = lp->blend->rt[i].colormask; 1068862d014ba91f0b959465a48005e94f530f0374a5Brian Paul 1069c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* mask out color channels not present in the color buffer. 1070c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Should be simple to incorporate per-cbuf writemasks: 1071c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 10724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 10734c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 1074c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1075862d014ba91f0b959465a48005e94f530f0374a5Brian Paul if(swizzle > UTIL_FORMAT_SWIZZLE_W) 107659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->colormask &= ~(1 << chan); 107759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 107859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 107959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca /* 108059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Our swizzled render tiles always have an alpha channel, but the linear 108159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * render target format often does not, so force here the dst alpha to be 108259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * one. 108359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 108459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * This is not a mere optimization. Wrong results will be produced if the 108559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * dst alpha is used, the dst format does not have alpha, and the previous 108659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * rendering was not flushed from the swizzled to linear buffer. For 108759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * example, NonPowTwo DCT. 108859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 108959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * TODO: This should be generalized to all channels for better 109059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * performance, but only alpha causes correctness issues. 109159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 109259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (format_desc->swizzle[3] > UTIL_FORMAT_SWIZZLE_W) { 109359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_src_factor = force_dst_alpha_one(blend_rt->rgb_src_factor, FALSE); 109459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_dst_factor = force_dst_alpha_one(blend_rt->rgb_dst_factor, FALSE); 109559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_src_factor = force_dst_alpha_one(blend_rt->alpha_src_factor, TRUE); 109659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_dst_factor = force_dst_alpha_one(blend_rt->alpha_dst_factor, TRUE); 10974c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 10984c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 1099e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1100e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 1101e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 1102d67e3487ac4c678892d0aea535cacfd5f1d86a27José Fonseca lp_sampler_static_state(&key->sampler[i], lp->fragment_sampler_views[i], lp->sampler[i]); 1103635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 1104635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 11054769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul/** 11064769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * Update fragment state. This is called just prior to drawing 11074769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * something when some fragment-related state has changed. 11084769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul */ 11095811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 11105811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 11119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 11129ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 1113e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 111417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fragment_shader_variant *variant = NULL; 111517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fs_variant_list_item *li; 11169ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1117e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 1118e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 111917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger li = first_elem(&shader->variants); 112017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger while(!at_end(&shader->variants, li)) { 112117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if(memcmp(&li->base->key, &key, sizeof key) == 0) { 112217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant = li->base; 11239ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 112417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 112517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger li = next_elem(li); 11269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 11279ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 112817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant) { 112917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger move_to_head(&lp->fs_variants_list, &variant->list_item_global); 113017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 113117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger else { 1132a8270c7c29b141025f606c811812304a72e42d2eBrian Paul int64_t t0, t1; 1133e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul int64_t dt; 113417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger unsigned i; 113517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (lp->nr_fs_variants >= LP_MAX_SHADER_VARIANTS) { 113617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct pipe_context *pipe = &lp->pipe; 113717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct pipe_fence_handle *fence = NULL; 113817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 113917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger /* 114017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * XXX: we need to flush the context until we have some sort of reference 114117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * counting in fragment shaders as they may still be binned 114217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * Flushing alone might not be sufficient we need to wait on it too. 114317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger */ 114417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger llvmpipe_flush(pipe, 0, &fence); 114517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 114617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (fence) { 114717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger pipe->screen->fence_finish(pipe->screen, fence, 0); 114817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger pipe->screen->fence_reference(pipe->screen, &fence, NULL); 114917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 115017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger for (i = 0; i < LP_MAX_SHADER_VARIANTS / 4; i++) { 115117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fs_variant_list_item *item = last_elem(&lp->fs_variants_list); 115217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_shader_variant(lp, item->base); 115317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 115417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 1155a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t0 = os_time_get(); 1156e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul 11573b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = generate_variant(lp, shader, &key); 11589ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1159a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t1 = os_time_get(); 1160a8270c7c29b141025f606c811812304a72e42d2eBrian Paul dt = t1 - t0; 1161e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(llvm_compile_time, dt); 1162e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ 116317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 116417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant) { 116517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger insert_at_head(&shader->variants, &variant->list_item_local); 116617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger insert_at_head(&lp->fs_variants_list, &variant->list_item_global); 116717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger lp->nr_fs_variants++; 116817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger shader->variants_cached++; 116917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 1170e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul } 11719ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 117218fb9ff6d8f58a08e559070cf29f26ed0caa567fJosé Fonseca lp_setup_set_fs_variant(lp->setup, variant); 11739ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 11749523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 11759523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 11769523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 11779523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulvoid 11789523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulllvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe) 11799523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul{ 11809523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state; 11819523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state; 11829523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state; 11839523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 11849523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer; 11859523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul} 1186