lp_state_fs.c revision b556bb7c44236a9fae54f58cc03e1d05eaa2124f
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; 18967b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell int shift; 190ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 191f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 192d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * XXX: We'll need a different path for 16 x u8 193f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 194d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell assert(fs_type.width == 32); 195d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell assert(fs_type.length == 4); 196d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_type = lp_int_type(fs_type); 19746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 198d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell /* 199d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * mask_input >>= (quad * 4) 2009a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul */ 20167b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell 20267b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell switch (quad) { 20367b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell case 0: 20467b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell shift = 0; 20567b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell break; 20667b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell case 1: 20767b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell shift = 2; 20867b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell break; 20967b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell case 2: 21067b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell shift = 8; 21167b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell break; 21267b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell case 3: 21367b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell shift = 10; 21467b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell break; 215aeb83928fdc09d9310df0f94aaddf87d9635dc7eVinson Lee default: 216aeb83928fdc09d9310df0f94aaddf87d9635dc7eVinson Lee assert(0); 217aeb83928fdc09d9310df0f94aaddf87d9635dc7eVinson Lee shift = 0; 21867b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell } 219ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 220d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input = LLVMBuildLShr(builder, 221d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input, 22267b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell LLVMConstInt(i32t, shift, 0), 223d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell ""); 224ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 225d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell /* 226d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * mask = { mask_input & (1 << i), for i in [0,3] } 227d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell */ 2284461442849bfdb817334b38567136f7f9dabdf59Brian Paul 229d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask = lp_build_broadcast(builder, lp_build_vec_type(mask_type), mask_input); 2304461442849bfdb817334b38567136f7f9dabdf59Brian Paul 231d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell bits[0] = LLVMConstInt(i32t, 1 << 0, 0); 232d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell bits[1] = LLVMConstInt(i32t, 1 << 1, 0); 23367b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell bits[2] = LLVMConstInt(i32t, 1 << 4, 0); 23467b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell bits[3] = LLVMConstInt(i32t, 1 << 5, 0); 23567b957781d8195b8f8867e994c03b68f8dc5c807Keith Whitwell 236d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask = LLVMBuildAnd(builder, mask, LLVMConstVector(bits, 4), ""); 2374461442849bfdb817334b38567136f7f9dabdf59Brian Paul 238d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell /* 239d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * mask = mask != 0 ? ~0 : 0 240d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell */ 2414461442849bfdb817334b38567136f7f9dabdf59Brian Paul 242d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask = lp_build_compare(builder, 243d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_type, PIPE_FUNC_NOTEQUAL, 244d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask, 245d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell lp_build_const_int_vec(mask_type, 0)); 2464461442849bfdb817334b38567136f7f9dabdf59Brian Paul 247d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell return mask; 2482797f2bf57562c95a601a67edca3089641215cc4Brian Paul} 2492797f2bf57562c95a601a67edca3089641215cc4Brian Paul 2502797f2bf57562c95a601a67edca3089641215cc4Brian Paul 2512797f2bf57562c95a601a67edca3089641215cc4Brian Paul 252ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 2535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 254ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 255d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell * \param partial_mask if 1, do mask_input testing 25698971802798354cdba45c421cc340ec938143e03José Fonseca */ 25798971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 25898971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 25998971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 26098971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 26198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 262b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 263635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 26498971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 265f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 2668be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 26798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 268c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 269ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 27022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing, 271d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell unsigned partial_mask, 272d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef mask_input, 27386afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef counter) 27473af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 27573af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 27673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 277635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 27898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 279f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 280521c61ff017ab15b829abbe9a98b179136a36009Brian Paul LLVMValueRef stencil_refs[2]; 2818e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 28298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 283d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul boolean early_depth_stencil_test; 28498971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 28598971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 286c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 28798971802798354cdba45c421cc340ec938143e03José Fonseca 288ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 28998971802798354cdba45c421cc340ec938143e03José Fonseca 290521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[0] = lp_jit_context_stencil_ref_front_value(builder, context_ptr); 291521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[1] = lp_jit_context_stencil_ref_back_value(builder, context_ptr); 29267b82fc395fc9972fc08233044057ab540c7ab59Brian Paul 29398971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 29498971802798354cdba45c421cc340ec938143e03José Fonseca 295635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 296635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 2978e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 2988e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2998e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 3008e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3018e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 3028e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3038e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 304c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 305c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 306c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 307c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 308c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 3098e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 3106a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 3118e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 312ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 313d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell if (partial_mask) { 314d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell *pmask = generate_quad_mask(builder, type, 315d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell i, mask_input); 3162797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 3172797f2bf57562c95a601a67edca3089641215cc4Brian Paul else { 318d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell *pmask = lp_build_const_int_vec(type, ~0); 3192797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 320ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 3215771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 3228e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 32398971802798354cdba45c421cc340ec938143e03José Fonseca 324d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul early_depth_stencil_test = 325d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul (key->depth.enabled || key->stencil[0].enabled) && 326cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 327cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 328cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 32998971802798354cdba45c421cc340ec938143e03José Fonseca 330d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (early_depth_stencil_test) 331d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 332d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 33386afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 33498971802798354cdba45c421cc340ec938143e03José Fonseca 33598971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 336f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 337021e0dc78b15fab29e761012860276c2597c8d8fZack Rusin outputs, sampler, &shader->info); 33898971802798354cdba45c421cc340ec938143e03José Fonseca 339f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* loop over fragment shader outputs/results */ 34098971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 34198971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 34298971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 34385c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); 34485c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "output%u.%u.%c", i, attrib, "xyzw"[chan]); 34598971802798354cdba45c421cc340ec938143e03José Fonseca 34698971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 34798971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 34898971802798354cdba45c421cc340ec938143e03José Fonseca { 34998971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 35098971802798354cdba45c421cc340ec938143e03José Fonseca 35185c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "color%u.%u.%c", i, attrib, "rgba"[chan]); 35298971802798354cdba45c421cc340ec938143e03José Fonseca 35398971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 354c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 355277d768d10d8a98a7cae8b709ff78bb8d1f695f1José Fonseca if (cbuf == 0 && chan == 3 && key->alpha.enabled) { 35685c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef alpha = out; 357635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 358635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 359635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 360277d768d10d8a98a7cae8b709ff78bb8d1f695f1José Fonseca lp_build_alpha_test(builder, key->alpha.func, type, 361635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 362635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 36398971802798354cdba45c421cc340ec938143e03José Fonseca 36485c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin color[cbuf][chan] = out; 36598971802798354cdba45c421cc340ec938143e03José Fonseca break; 36698971802798354cdba45c421cc340ec938143e03José Fonseca } 36798971802798354cdba45c421cc340ec938143e03José Fonseca 36898971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 36998971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 37085c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin z = out; 37198971802798354cdba45c421cc340ec938143e03José Fonseca break; 37298971802798354cdba45c421cc340ec938143e03José Fonseca } 37398971802798354cdba45c421cc340ec938143e03José Fonseca } 37498971802798354cdba45c421cc340ec938143e03José Fonseca } 37598971802798354cdba45c421cc340ec938143e03José Fonseca } 37698971802798354cdba45c421cc340ec938143e03José Fonseca 377d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (!early_depth_stencil_test) 378d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 379d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 38086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 3816a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3826a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 3836a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3846a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 3856a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 3868e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 38798971802798354cdba45c421cc340ec938143e03José Fonseca 38898971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 38998971802798354cdba45c421cc340ec938143e03José Fonseca 39098971802798354cdba45c421cc340ec938143e03José Fonseca} 39198971802798354cdba45c421cc340ec938143e03José Fonseca 39298971802798354cdba45c421cc340ec938143e03José Fonseca 39398971802798354cdba45c421cc340ec938143e03José Fonseca/** 3945811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 395f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param rt the render target index (to index blend, colormask state) 396f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param type the pixel color type 397f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param context_ptr pointer to the runtime JIT context 398f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param mask execution mask (active fragment/pixel mask) 399f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param src colors from the fragment shader 400f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param dst_ptr the destination color buffer pointer 40198971802798354cdba45c421cc340ec938143e03José Fonseca */ 40298971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 40398971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 404f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt, 40598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 406b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 407635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 40898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 40998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 41098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 41198971802798354cdba45c421cc340ec938143e03José Fonseca{ 41298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 413c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 414c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 41598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 416635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 41798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 41898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 41998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 42098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 42198971802798354cdba45c421cc340ec938143e03José Fonseca 422c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 423c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 424c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 425f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 426f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 427c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 428c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 42998971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 43098971802798354cdba45c421cc340ec938143e03José Fonseca 431635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 432635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 433635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 434635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 435f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* load constant blend color and colors from the dest color buffer */ 43698971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 43798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 438635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 43998971802798354cdba45c421cc340ec938143e03José Fonseca 44098971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 44198971802798354cdba45c421cc340ec938143e03José Fonseca 44298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 44398971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 44498971802798354cdba45c421cc340ec938143e03José Fonseca } 44598971802798354cdba45c421cc340ec938143e03José Fonseca 446f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* do blend */ 447f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_blend_soa(builder, blend, type, rt, src, dst, con, res); 44898971802798354cdba45c421cc340ec938143e03José Fonseca 449f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* store results to color buffer */ 45098971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 451f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul if(blend->rt[rt].colormask & (1 << chan)) { 4524c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 4534c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 4544c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 4554c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 4564c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 45798971802798354cdba45c421cc340ec938143e03José Fonseca } 458c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 459c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 460c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 46198971802798354cdba45c421cc340ec938143e03José Fonseca} 46298971802798354cdba45c421cc340ec938143e03José Fonseca 46398971802798354cdba45c421cc340ec938143e03José Fonseca 4645811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 4655811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 466866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 467866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 468866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 4695811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 4703b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic void 47198971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 47298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 4732797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_fragment_shader_variant *variant, 474d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell unsigned partial_mask) 47598971802798354cdba45c421cc340ec938143e03José Fonseca{ 47698971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 4773b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key = &variant->key; 47881862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca char func_name[256]; 479b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 480b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 48198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 48298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 48398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 484d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMTypeRef arg_types[11]; 48573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 486c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 4877c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 4887c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 48973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 49073af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 49173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 492c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 49339352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 494d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef mask_input; 495d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMValueRef counter = NULL; 49673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 49773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 4988be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 499f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 50098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 501c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 50298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 5033b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMValueRef function; 50422e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing; 50598971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 50639352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 50739352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 508c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 50973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 5109ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 5115811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 5125811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 5135811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 514b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 51598971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 51698971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 51798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 51898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 519866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 520866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 52173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 522b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 52398971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 52498971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 52598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 52698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 52798971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 52898971802798354cdba45c421cc340ec938143e03José Fonseca 5295811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 53108dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 5325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 53498971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 53598971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 53698971802798354cdba45c421cc340ec938143e03José Fonseca 53798971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 53873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 53981862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca util_snprintf(func_name, sizeof(func_name), "fs%u_variant%u_%s", 540d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell shader->no, variant->no, partial_mask ? "partial" : "whole"); 54181862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 542c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 543c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 544c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 54522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[3] = LLVMFloatType(); /* facing */ 54622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 54722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 54822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[6] = LLVMPointerType(fs_elem_type, 0); /* dady */ 54922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[7] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 55022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[8] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 551d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell arg_types[9] = LLVMInt32Type(); /* mask_input */ 552d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell arg_types[10] = LLVMPointerType(LLVMInt32Type(), 0);/* counter */ 55373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 55473af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 55573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 55681862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca function = LLVMAddFunction(screen->module, func_name, func_type); 5573b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMSetFunctionCallConv(function, LLVMCCallConv); 5583b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 559d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell variant->function[partial_mask] = function; 5603b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 561c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 562c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 563c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 564c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 565a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 5667c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 5673b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 5683b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 5693b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul context_ptr = LLVMGetParam(function, 0); 5703b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul x = LLVMGetParam(function, 1); 5713b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul y = LLVMGetParam(function, 2); 57222e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing = LLVMGetParam(function, 3); 57322e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul a0_ptr = LLVMGetParam(function, 4); 57422e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dadx_ptr = LLVMGetParam(function, 5); 57522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dady_ptr = LLVMGetParam(function, 6); 57622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul color_ptr_ptr = LLVMGetParam(function, 7); 57722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul depth_ptr = LLVMGetParam(function, 8); 578d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input = LLVMGetParam(function, 9); 5797c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 580c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 5817c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 5827c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 5835999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 5845999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 5855999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 586f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_name(color_ptr_ptr, "color_ptr_ptr"); 58739352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 588d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell lp_build_name(mask_input, "mask_input"); 58973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 59086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (key->occlusion_count) { 591d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell counter = LLVMGetParam(function, 10); 59286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li lp_build_name(counter, "counter"); 59386afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 59486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li 5955811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5965811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 5975811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5985811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 5993b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul block = LLVMAppendBasicBlock(function, "entry"); 60073af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 60173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 60273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6036ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca /* 6046ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * The shader input interpolation info is not explicitely baked in the 6056ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * shader key, but everything it derives from (TGSI, and flatshade) is 6066ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca * already included in the shader key. 6076ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca */ 60886f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell lp_build_interp_soa_init(&interp, 6096ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca lp->num_inputs, 6106ce68ad3ca242076bbb93fdd99bb448f87a31d15José Fonseca lp->inputs, 61186f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell builder, fs_type, 612f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 613147dc2354c21f098a2a63a085c21ec10252cab24José Fonseca x, y); 614f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 615e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 616e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 617c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 618866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 61998971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 62098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 621c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 62298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 62398971802798354cdba45c421cc340ec938143e03José Fonseca 624f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 625866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 62698971802798354cdba45c421cc340ec938143e03José Fonseca 62798971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 62898971802798354cdba45c421cc340ec938143e03José Fonseca 629635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 63098971802798354cdba45c421cc340ec938143e03José Fonseca builder, 63198971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 632635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 63398971802798354cdba45c421cc340ec938143e03José Fonseca i, 634f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 6358be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 636ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 63798971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 638ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 63922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing, 640d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell partial_mask, 641d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell mask_input, 642d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell counter); 64398971802798354cdba45c421cc340ec938143e03José Fonseca 644c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 645c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 646c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 64798971802798354cdba45c421cc340ec938143e03José Fonseca } 64839352b34438affc36ce22852bb55359d304a522cJosé Fonseca 6498be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 6508be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 651c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 6525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 653c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 654c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 655c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 656f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul LLVMValueRef blend_in_color[NUM_CHANNELS]; 657f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt; 6585811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 659c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 660c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 661c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 662c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 663c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 664c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 665c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 666c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 667c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 668635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 669d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell if (partial_mask || !variant->opaque) { 670d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 671d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell fs_mask, num_fs, 672d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell &blend_mask, 1); 673d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell } else { 674d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell blend_mask = lp_build_const_int_vec(blend_type, ~0); 675d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell } 676c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 677c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 678c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 679c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 680c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 681c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 682f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* which blend/colormask state to use */ 683f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt = key->blend.independent_blend_enable ? cbuf : 0; 684f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul 685c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 686c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 687c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 688c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 689f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt, 690c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 691c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 692c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 693c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 694c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 695c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 69673af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 69773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 698e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca#ifdef PIPE_ARCH_X86 699e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca /* Avoid corrupting the FPU stack on 32bit OSes. */ 700e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0); 701e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca#endif 702e3d2ebac115f7b7899664fefc2652fb829acfa27José Fonseca 7035811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 70473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 70573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 706946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 7075811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 708f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 7094ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 7103b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul if(LLVMVerifyFunction(function, LLVMPrintMessageAction)) { 711f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 7128ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 713f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 714a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 7154ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 716a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 717f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 718d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell LLVMRunFunctionPassManager(screen->pass, function); 71973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7208a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca if (gallivm_debug & GALLIVM_DEBUG_IR) { 721f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 7228ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 7232584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("\n"); 7242584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 72573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 726f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 727f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 728f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 7298dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul { 7308dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul void *f = LLVMGetPointerToGlobal(screen->engine, function); 7318dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul 732d4b64167b56f780d0dea73193c345622888fbc16Keith Whitwell variant->jit_function[partial_mask] = (lp_jit_frag_func)pointer_to_func(f); 73373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7348a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca if (gallivm_debug & GALLIVM_DEBUG_ASM) { 7358dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul lp_disassemble(f); 7368a3bcba12c19049eb91cb8ce865212d75be5c859José Fonseca } 737042018a943a403a4d9887b400deb3b3c83ee40c0Zack Rusin lp_func_delete_body(function); 7388dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul } 7393b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul} 7403b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 7413b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 742c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paulstatic void 743c2a036d4efeca80263e4d212532e46dfc525b9daBrian Pauldump_fs_variant_key(const struct lp_fragment_shader_variant_key *key) 744c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul{ 745c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul unsigned i; 746c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 747d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("fs variant %p:\n", (void *) key); 748d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul 74900989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca for (i = 0; i < key->nr_cbufs; ++i) { 75000989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca debug_printf("cbuf_format[%u] = %s\n", i, util_format_name(key->cbuf_format[i])); 75100989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca } 752c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->depth.enabled) { 753c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.format = %s\n", util_format_name(key->zsbuf_format)); 754c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.func = %s\n", util_dump_func(key->depth.func, TRUE)); 755c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("depth.writemask = %u\n", key->depth.writemask); 756c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 757c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 758c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul for (i = 0; i < 2; ++i) { 759c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->stencil[i].enabled) { 760c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].func = %s\n", i, util_dump_func(key->stencil[i].func, TRUE)); 761c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].fail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].fail_op, TRUE)); 762c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].zpass_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zpass_op, TRUE)); 763c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].zfail_op = %s\n", i, util_dump_stencil_op(key->stencil[i].zfail_op, TRUE)); 764c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].valuemask = 0x%x\n", i, key->stencil[i].valuemask); 765c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("stencil[%u].writemask = 0x%x\n", i, key->stencil[i].writemask); 766c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 767c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 768c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 769c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->alpha.enabled) { 770c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("alpha.func = %s\n", util_dump_func(key->alpha.func, TRUE)); 771c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 772c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 773c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->blend.logicop_enable) { 77475189ef960d2f7001d2b24e7c1939d0a647c0cf1Brian Paul debug_printf("blend.logicop_func = %s\n", util_dump_logicop(key->blend.logicop_func, TRUE)); 775c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 776c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul else if (key->blend.rt[0].blend_enable) { 777c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("blend.rgb_func = %s\n", util_dump_blend_func (key->blend.rt[0].rgb_func, TRUE)); 778d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.rgb_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_src_factor, TRUE)); 779d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.rgb_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_dst_factor, TRUE)); 780d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_func = %s\n", util_dump_blend_func (key->blend.rt[0].alpha_func, TRUE)); 781d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_src_factor, TRUE)); 782d574ffbb4d3a5e15a0e309686d3888c3112fcf21Brian Paul debug_printf("blend.alpha_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_dst_factor, TRUE)); 783c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 784c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("blend.colormask = 0x%x\n", key->blend.rt[0].colormask); 785c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul for (i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 786c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->sampler[i].format) { 787c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf("sampler[%u] = \n", i); 788c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .format = %s\n", 789c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_format_name(key->sampler[i].format)); 790c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .target = %s\n", 791c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_target(key->sampler[i].target, TRUE)); 792c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .pot = %u %u %u\n", 793c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_width, 794c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_height, 795c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul key->sampler[i].pot_depth); 796c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .wrap = %s %s %s\n", 797c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 798c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 799c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 800c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .min_img_filter = %s\n", 801c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 802c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .min_mip_filter = %s\n", 803c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 804c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .mag_img_filter = %s\n", 805c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul util_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 806c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul if (key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 807c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .compare_func = %s\n", util_dump_func(key->sampler[i].compare_func, TRUE)); 808c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 809c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 810c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul } 811c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul} 812c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 813c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 81471e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwellvoid 81571e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwelllp_debug_fs_variant(const struct lp_fragment_shader_variant *variant) 81671e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell{ 81771e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell debug_printf("llvmpipe: Fragment shader #%u variant #%u:\n", 81871e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell variant->shader->no, variant->no); 81971e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell tgsi_dump(variant->shader->base.tokens, 0); 82071e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell dump_fs_variant_key(&variant->key); 82171e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell debug_printf("variant->opaque = %u\n", variant->opaque); 82271e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell debug_printf("\n"); 82371e27ef21c4a24aeadadb85f60774ec48a7e3cffKeith Whitwell} 824c2a036d4efeca80263e4d212532e46dfc525b9daBrian Paul 8253b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic struct lp_fragment_shader_variant * 8263b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulgenerate_variant(struct llvmpipe_context *lp, 8273b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader *shader, 8283b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key) 8293b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul{ 8303b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader_variant *variant; 83100989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca boolean fullcolormask; 8323b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8333b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = CALLOC_STRUCT(lp_fragment_shader_variant); 8343b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(!variant) 8353b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul return NULL; 8363b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 837197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader = shader; 83817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->list_item_global.base = variant; 83917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->list_item_local.base = variant; 84017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->no = shader->variants_created++; 84181862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 8423d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell memcpy(&variant->key, key, shader->variant_key_size); 843818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 84400989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca /* 84500989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca * Determine whether we are touching all channels in the color buffer. 84600989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca */ 84700989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca fullcolormask = FALSE; 84800989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca if (key->nr_cbufs == 1) { 84900989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca const struct util_format_description *format_desc; 85000989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca format_desc = util_format_description(key->cbuf_format[0]); 85100989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca if ((~key->blend.rt[0].colormask & 85200989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca util_format_colormask(format_desc)) == 0) { 85300989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca fullcolormask = TRUE; 85400989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca } 85500989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca } 85600989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca 85710fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca variant->opaque = 85810fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.logicop_enable && 85910fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.rt[0].blend_enable && 86000989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca fullcolormask && 86110fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->stencil[0].enabled && 86210fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->alpha.enabled && 86310fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->depth.enabled && 86410fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !shader->info.uses_kill 86510fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca ? TRUE : FALSE; 86610fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca 8679f6e8e1d6b8696a3ee96cba01b2466ba7a1a8ef6Keith Whitwell 86809863554259aeb7b0522b130837b6a1f12ffaebeKeith Whitwell if ((LP_DEBUG & DEBUG_FS) || (gallivm_debug & GALLIVM_DEBUG_IR)) { 8699f6e8e1d6b8696a3ee96cba01b2466ba7a1a8ef6Keith Whitwell lp_debug_fs_variant(variant); 8709f6e8e1d6b8696a3ee96cba01b2466ba7a1a8ef6Keith Whitwell } 8719f6e8e1d6b8696a3ee96cba01b2466ba7a1a8ef6Keith Whitwell 8729f6e8e1d6b8696a3ee96cba01b2466ba7a1a8ef6Keith Whitwell generate_fragment(lp, shader, variant, RAST_EDGE_TEST); 8739f6e8e1d6b8696a3ee96cba01b2466ba7a1a8ef6Keith Whitwell 874853953dc3c5bd2ef9cca904c9cabc4a0ef037b16José Fonseca if (variant->opaque) { 875853953dc3c5bd2ef9cca904c9cabc4a0ef037b16José Fonseca /* Specialized shader, which doesn't need to read the color buffer. */ 876853953dc3c5bd2ef9cca904c9cabc4a0ef037b16José Fonseca generate_fragment(lp, shader, variant, RAST_WHOLE); 877853953dc3c5bd2ef9cca904c9cabc4a0ef037b16José Fonseca } else { 878853953dc3c5bd2ef9cca904c9cabc4a0ef037b16José Fonseca variant->jit_function[RAST_WHOLE] = variant->jit_function[RAST_EDGE_TEST]; 879853953dc3c5bd2ef9cca904c9cabc4a0ef037b16José Fonseca } 880853953dc3c5bd2ef9cca904c9cabc4a0ef037b16José Fonseca 8819ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 8829ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 8839ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8849ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8859523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void * 8869ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 8879ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 8889ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 889955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 8909ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 8913d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell int nr_samplers; 8929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8939ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 8949ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 8959ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 8969ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 89781862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca shader->no = fs_no++; 89817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger make_empty_list(&shader->variants); 89981862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca 9009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 9019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 9029ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9039ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 9049ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 9059ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 906955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul shader->draw_data = draw_create_fragment_shader(llvmpipe->draw, templ); 907955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul if (shader->draw_data == NULL) { 908955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul FREE((void *) shader->base.tokens); 909b556bb7c44236a9fae54f58cc03e1d05eaa2124fJosé Fonseca FREE(shader); 910955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul return NULL; 911955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul } 912955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul 9133d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell nr_samplers = shader->info.file_max[TGSI_FILE_SAMPLER] + 1; 9143d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell 9153d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell shader->variant_key_size = Offset(struct lp_fragment_shader_variant_key, 9163d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell sampler[nr_samplers]); 9173d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell 918524ec6464d5c9d66b58c78c5e68c3bcb6a845f69José Fonseca if (LP_DEBUG & DEBUG_TGSI) { 919149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca unsigned attrib; 92081862bbbc82341b1271fc4bc7b803d409826aebaJosé Fonseca debug_printf("llvmpipe: Create fragment shader #%u %p:\n", shader->no, (void *) shader); 921ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul tgsi_dump(templ->tokens, 0); 922149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf("usage masks:\n"); 923149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca for (attrib = 0; attrib < shader->info.num_inputs; ++attrib) { 924149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca unsigned usage_mask = shader->info.input_usage_mask[attrib]; 925149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf(" IN[%u].%s%s%s%s\n", 926149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca attrib, 927149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_X ? "x" : "", 928149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_Y ? "y" : "", 929149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_Z ? "z" : "", 930149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca usage_mask & TGSI_WRITEMASK_W ? "w" : ""); 931149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca } 932149cb7682e37ce719d693f120e68dde60ba73bdfJosé Fonseca debug_printf("\n"); 933ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul } 934ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul 93573af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 936946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 937946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 938946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 9399523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 940946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 941946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 942946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 943946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 944080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 945080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 946080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 947080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 948080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 949955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul draw_bind_fragment_shader(llvmpipe->draw, 950955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul (llvmpipe->fs ? llvmpipe->fs->draw_data : NULL)); 951955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul 952080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 953946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 954c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 955946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 956946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 95717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheideggerstatic void 95817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheideggerremove_shader_variant(struct llvmpipe_context *lp, 95917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fragment_shader_variant *variant) 96017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger{ 96117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 96217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger unsigned i; 96317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 96417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (gallivm_debug & GALLIVM_DEBUG_IR) { 96517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger debug_printf("llvmpipe: del fs #%u var #%u v created #%u v cached #%u v total cached #%u\n", 966197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader->no, variant->no, variant->shader->variants_created, 967197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader->variants_cached, lp->nr_fs_variants); 96817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 96917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger for (i = 0; i < Elements(variant->function); i++) { 97017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant->function[i]) { 97117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant->jit_function[i]) 97217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger LLVMFreeMachineCodeForFunction(screen->engine, 97317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant->function[i]); 97417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger LLVMDeleteFunction(variant->function[i]); 97517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 97617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 97717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_from_list(&variant->list_item_local); 978197636814e4e523b98d3e25d918d589ef61b8acaJosé Fonseca variant->shader->variants_cached--; 97917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_from_list(&variant->list_item_global); 98017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger lp->nr_fs_variants--; 98117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger FREE(variant); 98217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger} 983946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 9849523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 985946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 986946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 987e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 98873af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 98917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fs_variant_list_item *li; 990946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 991e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 99231d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 9939ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9944d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca /* 9954d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * XXX: we need to flush the context until we have some sort of reference 9964d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * counting in fragment shaders as they may still be binned 99717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * Flushing alone might not sufficient we need to wait on it too. 9984d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca */ 9999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1000b6e03eafe3311142445ca42c1574d3f6998eecc3Keith Whitwell llvmpipe_finish(pipe, __FUNCTION__); 10019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 100217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger li = first_elem(&shader->variants); 100317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger while(!at_end(&shader->variants, li)) { 1004d7f4250333f3649d170d71bfdc5f2faba4e8c5f8José Fonseca struct lp_fs_variant_list_item *next = next_elem(li); 100517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_shader_variant(llvmpipe, li->base); 1006d7f4250333f3649d170d71bfdc5f2faba4e8c5f8José Fonseca li = next; 100773af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 100873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 1009955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul draw_delete_fragment_shader(llvmpipe->draw, shader->draw_data); 1010955d76c3d2004c058c326d68eddc5a06d1611a41Brian Paul 101117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger assert(shader->variants_cached == 0); 101273af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 101373af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 1014946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 1015946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1016946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1017946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 10189523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 1019946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 1020946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 1021287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell struct pipe_resource *constants) 1022946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1023946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1024287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell unsigned size = constants ? constants->width0 : 0; 10250639765b2850739af1678f10fc0c5706d5827776Brian Paul const void *data = constants ? llvmpipe_resource_data(constants) : NULL; 1026946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1027946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 1028a6d9d18faecef9963be3e4b64a21b89889b4670dKeith Whitwell assert(index < PIPE_MAX_CONSTANT_BUFFERS); 1029946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1030a6d9d18faecef9963be3e4b64a21b89889b4670dKeith Whitwell if(llvmpipe->constants[shader][index] == constants) 1031d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 1032d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 1033080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 103469588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 1035946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 1036a6d9d18faecef9963be3e4b64a21b89889b4670dKeith Whitwell pipe_resource_reference(&llvmpipe->constants[shader][index], constants); 103769588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 1038b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin if(shader == PIPE_SHADER_VERTEX || 1039b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin shader == PIPE_SHADER_GEOMETRY) { 1040b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin draw_set_mapped_constant_buffer(llvmpipe->draw, shader, 1041b5e381d9783f17c9a527ac38122444eac6807566Zack Rusin index, data, size); 104269588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca } 1043946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1044c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 1045946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 10469ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1048635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 104959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Return the blend factor equivalent to a destination alpha of one. 105059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 105159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecastatic INLINE unsigned 105259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecaforce_dst_alpha_one(unsigned factor, boolean alpha) 105359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca{ 105459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 105559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_ALPHA: 105659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 105759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_ALPHA: 105859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 105959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 106059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 106159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 106259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 106359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (alpha) { 106459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 106559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_COLOR: 106659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 106759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_COLOR: 106859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 106959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 107059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 107159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 107259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return factor; 107359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca} 107459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 107559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 107659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca/** 1077635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 1078635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 1079635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 1080635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 1081635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 1082635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 1083635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 1084635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 1085e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 1086635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 1087635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 1088e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 1089e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 10903d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell memset(key, 0, shader->variant_key_size); 1091635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 109267b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->framebuffer.zsbuf) { 109367b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->depth.enabled) { 109467b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 109567b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 109667b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 109767b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->stencil[0].enabled) { 109867b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 109967b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->stencil, &lp->depth_stencil->stencil, sizeof key->stencil); 110067b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 1101cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 1102635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1103635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1104635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 1105635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 1106635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 1107635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 110886f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade = lp->rasterizer->flatshade; 110986afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (lp->active_query_count) { 111086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li key->occlusion_count = TRUE; 111186afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 11124c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1113c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 11144c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca memcpy(&key->blend, lp->blend, sizeof key->blend); 1115c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 11164c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1117c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 1118c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 111900989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca enum pipe_format format = lp->framebuffer.cbufs[i]->format; 112059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca struct pipe_rt_blend_state *blend_rt = &key->blend.rt[i]; 11214c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 11224c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 112300989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca key->cbuf_format[i] = format; 112400989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca 112500989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca format_desc = util_format_description(format); 11266ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca assert(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB || 11276ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB); 11284c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 112959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->colormask = lp->blend->rt[i].colormask; 1130862d014ba91f0b959465a48005e94f530f0374a5Brian Paul 113100989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca /* 113200989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca * Mask out color channels not present in the color buffer. 1133c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 113400989d5bfc29f632886066d048a366ff4d2d03bcJosé Fonseca blend_rt->colormask &= util_format_colormask(format_desc); 113559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 113659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca /* 113759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Our swizzled render tiles always have an alpha channel, but the linear 113859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * render target format often does not, so force here the dst alpha to be 113959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * one. 114059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 114159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * This is not a mere optimization. Wrong results will be produced if the 114259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * dst alpha is used, the dst format does not have alpha, and the previous 114359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * rendering was not flushed from the swizzled to linear buffer. For 114459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * example, NonPowTwo DCT. 114559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 114659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * TODO: This should be generalized to all channels for better 114759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * performance, but only alpha causes correctness issues. 114859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 114959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (format_desc->swizzle[3] > UTIL_FORMAT_SWIZZLE_W) { 115059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_src_factor = force_dst_alpha_one(blend_rt->rgb_src_factor, FALSE); 115159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_dst_factor = force_dst_alpha_one(blend_rt->rgb_dst_factor, FALSE); 115259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_src_factor = force_dst_alpha_one(blend_rt->alpha_src_factor, TRUE); 115359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_dst_factor = force_dst_alpha_one(blend_rt->alpha_dst_factor, TRUE); 11544c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 11554c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 1156e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 11573d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell /* This value will be the same for all the variants of a given shader: 11583d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell */ 11593d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell key->nr_samplers = shader->info.file_max[TGSI_FILE_SAMPLER] + 1; 11603d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell 11613d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell for(i = 0; i < key->nr_samplers; ++i) { 11623d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) { 11633d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell lp_sampler_static_state(&key->sampler[i], 11643d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell lp->fragment_sampler_views[i], 11653d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell lp->sampler[i]); 11663d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell } 11673d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell } 1168635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 1169635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 11704769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul/** 11714769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * Update fragment state. This is called just prior to drawing 11724769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * something when some fragment-related state has changed. 11734769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul */ 11745811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 11755811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 11769ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 11779ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 1178e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 117917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fragment_shader_variant *variant = NULL; 118017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fs_variant_list_item *li; 11819ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1182e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 1183e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 118417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger li = first_elem(&shader->variants); 118517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger while(!at_end(&shader->variants, li)) { 11863d4b60f1f7be3dc54951c9c414601062e73ca674Keith Whitwell if(memcmp(&li->base->key, &key, shader->variant_key_size) == 0) { 118717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger variant = li->base; 11889ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 118917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 119017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger li = next_elem(li); 11919ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 11929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 119317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant) { 119417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger move_to_head(&lp->fs_variants_list, &variant->list_item_global); 119517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 119617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger else { 1197a8270c7c29b141025f606c811812304a72e42d2eBrian Paul int64_t t0, t1; 1198e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul int64_t dt; 119917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger unsigned i; 120017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (lp->nr_fs_variants >= LP_MAX_SHADER_VARIANTS) { 120117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct pipe_context *pipe = &lp->pipe; 120217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 120317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger /* 120417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * XXX: we need to flush the context until we have some sort of reference 120517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * counting in fragment shaders as they may still be binned 120617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger * Flushing alone might not be sufficient we need to wait on it too. 120717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger */ 1208b6e03eafe3311142445ca42c1574d3f6998eecc3Keith Whitwell llvmpipe_finish(pipe, __FUNCTION__); 120917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 121017c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger for (i = 0; i < LP_MAX_SHADER_VARIANTS / 4; i++) { 121117c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger struct lp_fs_variant_list_item *item = last_elem(&lp->fs_variants_list); 121217c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger remove_shader_variant(lp, item->base); 121317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 121417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 1215a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t0 = os_time_get(); 1216e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul 12173b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = generate_variant(lp, shader, &key); 12189ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1219a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t1 = os_time_get(); 1220a8270c7c29b141025f606c811812304a72e42d2eBrian Paul dt = t1 - t0; 1221e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(llvm_compile_time, dt); 1222e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ 122317c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger 122417c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger if (variant) { 122517c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger insert_at_head(&shader->variants, &variant->list_item_local); 122617c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger insert_at_head(&lp->fs_variants_list, &variant->list_item_global); 122717c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger lp->nr_fs_variants++; 122817c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger shader->variants_cached++; 122917c9d7eea7b3365c59455a731fcb81e69bb86ce2Roland Scheidegger } 1230e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul } 12319ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 123218fb9ff6d8f58a08e559070cf29f26ed0caa567fJosé Fonseca lp_setup_set_fs_variant(lp->setup, variant); 12339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 12349523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12359523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12369523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12379523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulvoid 12389523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulllvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe) 12399523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul{ 12409523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state; 12419523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state; 12429523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state; 12439523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12449523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer; 12459523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul} 1246