lp_state_fs.c revision 10fdbb9298489e9dfb2ecec0662abe29da5b6239
1946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca/************************************************************************** 2946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 373af91e938eb27b001404f11195fb06ff9b08903José Fonseca * Copyright 2009 VMware, Inc. 4946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 5946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * All Rights Reserved. 6946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 7946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Permission is hereby granted, free of charge, to any person obtaining a 8946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * copy of this software and associated documentation files (the 9946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * "Software"), to deal in the Software without restriction, including 10946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * without limitation the rights to use, copy, modify, merge, publish, 11946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * distribute, sub license, and/or sell copies of the Software, and to 12946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * permit persons to whom the Software is furnished to do so, subject to 13946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * the following conditions: 14946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 15946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * The above copyright notice and this permission notice (including the 16946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * next paragraph) shall be included in all copies or substantial portions 17946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * of the Software. 18946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 19946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 27946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca **************************************************************************/ 28946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 295811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @file 315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Code generate the whole fragment pipeline. 325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * The fragment pipeline consists of the following stages: 344d2dc9da82fcb0464b88c273a606f16d0183a758Brian Paul * - triangle edge in/out testing 354d2dc9da82fcb0464b88c273a606f16d0183a758Brian Paul * - scissor test 365811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - stipple (TBI) 375811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - early depth test 385811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - fragment shader 395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - alpha test 40d84b8cb1a8e3ce846de9affe2f72457c6e698872Brian Paul * - depth/stencil test 415811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - blending 425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 43272f399434ad6b33a8444c287c5126987a222864Brian Paul * This file has only the glue to assemble the fragment pipeline. The actual 445811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * plumbing of converting Gallium state into LLVM IR is done elsewhere, in the 455811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * lp_bld_*.[ch] files, and in a complete generic and reusable way. Here we 465811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * muster the LLVM JIT execution engine to create a function that follows an 475811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * established binary interface and that can be called from C directly. 485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * A big source of complexity here is that we often want to run different 505811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * stages with different precisions and data types and precisions. For example, 515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * the fragment shader needs typically to be done in floats, but the 525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * depth/stencil test and blending is better done in the type that most closely 535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * matches the depth/stencil and color buffer respectively. 545811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 555811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Since the width of a SIMD vector register stays the same regardless of the 565811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * element type, different types imply different number of elements, so we must 575811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * code generate more instances of the stages with larger types to be able to 585811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * feed/consume the stages with smaller types. 595811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 605811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @author Jose Fonseca <jfonseca@vmware.com> 615811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 625811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 63f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#include <limits.h> 64946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_defines.h" 6528486880ca3ec39419ccee0cb1a3bedc9ef7117cJosé Fonseca#include "util/u_inlines.h" 66946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 67e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 68abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca#include "util/u_dump.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" 78c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_intr.h" 79c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_logic.h" 80c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_tgsi.h" 81c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_swizzle.h" 82c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_flow.h" 83c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_debug.h" 8439a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul 8539a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_alpha.h" 8639a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_blend.h" 8739a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_depth.h" 8839a12a73269b3eff46ba66fce03eff73dd5d54fbBrian Paul#include "lp_bld_interp.h" 89e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_context.h" 90e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_debug.h" 91e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_perf.h" 92e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_screen.h" 9385999695829823e459e11822b4846ed1db5c055dJosé Fonseca#include "lp_setup.h" 9473af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_state.h" 958be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca#include "lp_tex_sample.h" 9673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 9773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 98489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul#include <llvm-c/Analysis.h> 99489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul 100489af2a3ba467e4341cb8504a0e59cf5828864d4Brian Paul 1017c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_x[4] = {0, 1, 0, 1}; 1027c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_y[4] = {0, 0, 1, 1}; 1037c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1047c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 105f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca/* 106f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * Derive from the quad's upper left scalar coordinates the coordinates for 107f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * all other quad pixels 1085811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 1097c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic void 110f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonsecagenerate_pos0(LLVMBuilderRef builder, 111f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x, 112f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y, 113f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *x0, 114f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *y0) 1157c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca{ 1167c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_elem_type = LLVMInt32Type(); 1177c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_vec_type = LLVMVectorType(int_elem_type, QUAD_SIZE); 1187c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef elem_type = LLVMFloatType(); 1197c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef vec_type = LLVMVectorType(elem_type, QUAD_SIZE); 1207c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x_offsets[QUAD_SIZE]; 1217c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y_offsets[QUAD_SIZE]; 1227c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca unsigned i; 1237c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1247c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = lp_build_broadcast(builder, int_vec_type, x); 1257c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = lp_build_broadcast(builder, int_vec_type, y); 1267c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1277c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca for(i = 0; i < QUAD_SIZE; ++i) { 1287c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_x[i], 0); 1297c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_y[i], 0); 1307c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca } 1317c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1327c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = LLVMBuildAdd(builder, x, LLVMConstVector(x_offsets, QUAD_SIZE), ""); 1337c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = LLVMBuildAdd(builder, y, LLVMConstVector(y_offsets, QUAD_SIZE), ""); 1347c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 135f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *x0 = LLVMBuildSIToFP(builder, x, vec_type, ""); 136f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *y0 = LLVMBuildSIToFP(builder, y, vec_type, ""); 1377c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca} 1387c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1397c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 141227824ac6999a8925b90f093b08a6284d33a7dadBrian Paul * Generate the depth /stencil test code. 1425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 143e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 144d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paulgenerate_depth_stencil(LLVMBuilderRef builder, 145d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul const struct lp_fragment_shader_variant_key *key, 146d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul struct lp_type src_type, 147d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul struct lp_build_mask_context *mask, 148521c61ff017ab15b829abbe9a98b179136a36009Brian Paul LLVMValueRef stencil_refs[2], 149d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul LLVMValueRef src, 15022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef dst_ptr, 15186afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef facing, 15286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef counter) 153e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 154e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 155b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 156e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1579d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca if (!key->depth.enabled && !key->stencil[0].enabled && !key->stencil[1].enabled) 1589d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca return; 1599d48a621d2a0e55a76a2cfd0aea3b773e907ed50José Fonseca 160cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 161e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 162e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1632282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1642282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1652282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1662282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1672282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1682282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1692282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1702282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1712282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1722282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1732282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1742282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1752282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1762282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1775811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 178e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 179e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1805811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 181e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 182e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 183e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 184d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul /* Convert fragment Z from float to integer */ 185e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1862282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1872282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1882282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1892282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 190d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul lp_build_depth_stencil_test(builder, 191d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul &key->depth, 192d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul key->stencil, 193d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul dst_type, 194d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul format_desc, 195d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul mask, 196d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul stencil_refs, 197d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul src, 19822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dst_ptr, 19986afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li facing, 20086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li counter); 201e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 202e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 203e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 20498971802798354cdba45c421cc340ec938143e03José Fonseca/** 205ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * Generate the code to do inside/outside triangle testing for the 206ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * four pixels in a 2x2 quad. This will set the four elements of the 207ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * quad mask vector to 0 or ~0. 208ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad of the quad group to test, in [0,3] 209ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 210ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulstatic void 211ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulgenerate_tri_edge_mask(LLVMBuilderRef builder, 212ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul unsigned i, 213ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef *mask, /* ivec4, out */ 214ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, /* int32 */ 215ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, /* int32 */ 216ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, /* int32 */ 217ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, /* ivec4 */ 218ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, /* ivec4 */ 219ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) /* ivec4 */ 220ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul{ 2214061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#define OPTIMIZE_IN_OUT_TEST 0 2224061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#if OPTIMIZE_IN_OUT_TEST 223f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul struct lp_build_if_state ifctx; 2244061ca02dd837950201a9ada462f944ae25deeb5Brian Paul LLVMValueRef not_draw_all; 2254061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#endif 2264061ca02dd837950201a9ada462f944ae25deeb5Brian Paul struct lp_build_flow_context *flow; 227ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul struct lp_type i32_type; 228a85afb91777ade2a12ba2df8f219a0294a645164Vinson Lee LLVMTypeRef i32vec4_type; 229ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0_vec, c1_vec, c2_vec; 230f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef in_out_mask; 231ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 232ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 233ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 234ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* int32 vector type */ 235ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul memset(&i32_type, 0, sizeof i32_type); 236ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.floating = FALSE; /* values are integers */ 237ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.sign = TRUE; /* values are signed */ 238ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.norm = FALSE; /* values are not normalized */ 239ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.width = 32; /* 32-bit int values */ 240ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.length = 4; /* 4 elements per vector */ 241ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 242ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32vec4_type = lp_build_int32_vec4_type(); 243ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 244f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 245f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Use a conditional here to do detailed pixel in/out testing. 2469a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * We only have to do this if c0 != INT_MIN. 247f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 248f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul flow = lp_build_flow_create(builder); 249f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_begin(flow); 250ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 25146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul { 252f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 2539a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* not_draw_all = (c0 != INT_MIN) */ 254f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul not_draw_all = LLVMBuildICmp(builder, 25546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMIntNE, 25646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0, 25746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMConstInt(LLVMInt32Type(), INT_MIN, 0), 258f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul ""); 259ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 260185be3a87a5b38e8821a560c073975c11dcbd3e9Brian Paul in_out_mask = lp_build_const_int_vec(i32_type, ~0); 26146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 26246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 263f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_declare(flow, &in_out_mask); 264ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 2659a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* if (not_draw_all) {... */ 266f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_if(&ifctx, flow, builder, not_draw_all); 267f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 268f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul { 269f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef step0_vec, step1_vec, step2_vec; 270f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef m0_vec, m1_vec, m2_vec; 271f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef index, m; 272f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 27346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul /* c0_vec = {c0, c0, c0, c0} 27446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * Note that we emit this code four times but LLVM optimizes away 27546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * three instances of it. 27646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul */ 27746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0_vec = lp_build_broadcast(builder, i32vec4_type, c0); 27846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c1_vec = lp_build_broadcast(builder, i32vec4_type, c1); 27946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c2_vec = lp_build_broadcast(builder, i32vec4_type, c2); 28046b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c0_vec, "edgeconst0vec"); 28146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c1_vec, "edgeconst1vec"); 28246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c2_vec, "edgeconst2vec"); 28346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 2849a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* load step0vec, step1, step2 vec from memory */ 285f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul index = LLVMConstInt(LLVMInt32Type(), i, 0); 286f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step0_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step0_ptr, &index, 1, ""), ""); 287f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step1_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step1_ptr, &index, 1, ""), ""); 288f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step2_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step2_ptr, &index, 1, ""), ""); 289f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step0_vec, "step0vec"); 290f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step1_vec, "step1vec"); 291f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step2_vec, "step2vec"); 292f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2939a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* m0_vec = step0_ptr[i] > c0_vec */ 294f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m0_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step0_vec, c0_vec); 295f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m1_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step1_vec, c1_vec); 296f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m2_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step2_vec, c2_vec); 297f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2989a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* in_out_mask = m0_vec & m1_vec & m2_vec */ 299f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m = LLVMBuildAnd(builder, m0_vec, m1_vec, ""); 300f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul in_out_mask = LLVMBuildAnd(builder, m, m2_vec, ""); 301f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(in_out_mask, "inoutmaskvec"); 302f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul } 303f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 304f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_endif(&ifctx); 305f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 3065771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 30746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul } 308f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_end(flow); 309f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_destroy(flow); 3105771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 3119a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* This is the initial alive/dead pixel mask for a quad of four pixels. 3129a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * It's an int[4] vector with each word set to 0 or ~0. 3139a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * Words will get cleared when pixels faile the Z test, etc. 3149a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul */ 315f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul *mask = in_out_mask; 316ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul} 317ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 318ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 3194461442849bfdb817334b38567136f7f9dabdf59Brian Paulstatic LLVMValueRef 3204461442849bfdb817334b38567136f7f9dabdf59Brian Paulgenerate_scissor_test(LLVMBuilderRef builder, 3214461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef context_ptr, 3224461442849bfdb817334b38567136f7f9dabdf59Brian Paul const struct lp_build_interp_soa_context *interp, 3234461442849bfdb817334b38567136f7f9dabdf59Brian Paul struct lp_type type) 3244461442849bfdb817334b38567136f7f9dabdf59Brian Paul{ 3254461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMTypeRef vec_type = lp_build_vec_type(type); 3264461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xpos = interp->pos[0], ypos = interp->pos[1]; 3274461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xmin, ymin, xmax, ymax; 3284461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef m0, m1, m2, m3, m; 3294461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3304461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* xpos, ypos contain the window coords for the four pixels in the quad */ 3314461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(xpos); 3324461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(ypos); 3334461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3344461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* get the current scissor bounds, convert to vectors */ 3354461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_jit_context_scissor_xmin_value(builder, context_ptr); 3364461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_build_broadcast(builder, vec_type, xmin); 3374461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3384461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_jit_context_scissor_ymin_value(builder, context_ptr); 3394461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_build_broadcast(builder, vec_type, ymin); 3404461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3414461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_jit_context_scissor_xmax_value(builder, context_ptr); 3424461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_build_broadcast(builder, vec_type, xmax); 3434461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3444461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_jit_context_scissor_ymax_value(builder, context_ptr); 3454461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_build_broadcast(builder, vec_type, ymax); 3464461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3474461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* compare the fragment's position coordinates against the scissor bounds */ 3484461442849bfdb817334b38567136f7f9dabdf59Brian Paul m0 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, xpos, xmin); 3494461442849bfdb817334b38567136f7f9dabdf59Brian Paul m1 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, ypos, ymin); 3504461442849bfdb817334b38567136f7f9dabdf59Brian Paul m2 = lp_build_compare(builder, type, PIPE_FUNC_LESS, xpos, xmax); 3514461442849bfdb817334b38567136f7f9dabdf59Brian Paul m3 = lp_build_compare(builder, type, PIPE_FUNC_LESS, ypos, ymax); 3524461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3534461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* AND all the masks together */ 3544461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m0, m1, ""); 3554461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m2, ""); 3564461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m3, ""); 3574461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3584461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_name(m, "scissormask"); 3594461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3604461442849bfdb817334b38567136f7f9dabdf59Brian Paul return m; 3614461442849bfdb817334b38567136f7f9dabdf59Brian Paul} 3624461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3634461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3642797f2bf57562c95a601a67edca3089641215cc4Brian Paulstatic LLVMValueRef 3652797f2bf57562c95a601a67edca3089641215cc4Brian Paulbuild_int32_vec_const(int value) 3662797f2bf57562c95a601a67edca3089641215cc4Brian Paul{ 3672797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_type i32_type; 3682797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3692797f2bf57562c95a601a67edca3089641215cc4Brian Paul memset(&i32_type, 0, sizeof i32_type); 3702797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.floating = FALSE; /* values are integers */ 3712797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.sign = TRUE; /* values are signed */ 3722797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.norm = FALSE; /* values are not normalized */ 3732797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.width = 32; /* 32-bit int values */ 3742797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.length = 4; /* 4 elements per vector */ 375185be3a87a5b38e8821a560c073975c11dcbd3e9Brian Paul return lp_build_const_int_vec(i32_type, value); 3762797f2bf57562c95a601a67edca3089641215cc4Brian Paul} 3772797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3782797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3792797f2bf57562c95a601a67edca3089641215cc4Brian Paul 380ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 3815811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 382ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 3832797f2bf57562c95a601a67edca3089641215cc4Brian Paul * \param do_tri_test if 1, do triangle edge in/out testing 38498971802798354cdba45c421cc340ec938143e03José Fonseca */ 38598971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 38698971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 38798971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 38898971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 38998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 390b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 391635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 39298971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 393f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 3948be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 39598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 396c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 397ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 39822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing, 3992797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test, 400ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, 401ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, 402ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, 403ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, 404ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, 40586afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef step2_ptr, 40686afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef counter) 40773af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 40873af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 40973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 410635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 41198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 412f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 413521c61ff017ab15b829abbe9a98b179136a36009Brian Paul LLVMValueRef stencil_refs[2]; 4148e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 41598971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 416d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul boolean early_depth_stencil_test; 41798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 41898971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 419c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 42098971802798354cdba45c421cc340ec938143e03José Fonseca 421ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 42298971802798354cdba45c421cc340ec938143e03José Fonseca 423521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[0] = lp_jit_context_stencil_ref_front_value(builder, context_ptr); 424521c61ff017ab15b829abbe9a98b179136a36009Brian Paul stencil_refs[1] = lp_jit_context_stencil_ref_back_value(builder, context_ptr); 42567b82fc395fc9972fc08233044057ab540c7ab59Brian Paul 42698971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 42798971802798354cdba45c421cc340ec938143e03José Fonseca 428635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 429635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 4308e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 4318e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4328e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 4338e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4348e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 4358e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4368e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 437c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 438c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 439c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 440c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 441c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 4428e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 4436a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 4448e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 445ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 4462797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (do_tri_test) { 4472797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_tri_edge_mask(builder, i, pmask, 4482797f2bf57562c95a601a67edca3089641215cc4Brian Paul c0, c1, c2, step0_ptr, step1_ptr, step2_ptr); 4492797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 4502797f2bf57562c95a601a67edca3089641215cc4Brian Paul else { 4512797f2bf57562c95a601a67edca3089641215cc4Brian Paul *pmask = build_int32_vec_const(~0); 4522797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 453ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 4545771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 4558e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 45698971802798354cdba45c421cc340ec938143e03José Fonseca 4574461442849bfdb817334b38567136f7f9dabdf59Brian Paul if (key->scissor) { 4584461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef smask = 4594461442849bfdb817334b38567136f7f9dabdf59Brian Paul generate_scissor_test(builder, context_ptr, interp, type); 4604461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_mask_update(&mask, smask); 4614461442849bfdb817334b38567136f7f9dabdf59Brian Paul } 462ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 463d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul early_depth_stencil_test = 464d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul (key->depth.enabled || key->stencil[0].enabled) && 465cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 466cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 467cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 46898971802798354cdba45c421cc340ec938143e03José Fonseca 469d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (early_depth_stencil_test) 470d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 471d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 47286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 47398971802798354cdba45c421cc340ec938143e03José Fonseca 47498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 475f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 476021e0dc78b15fab29e761012860276c2597c8d8fZack Rusin outputs, sampler, &shader->info); 47798971802798354cdba45c421cc340ec938143e03José Fonseca 478f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* loop over fragment shader outputs/results */ 47998971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 48098971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 48198971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 48285c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); 48385c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "output%u.%u.%c", i, attrib, "xyzw"[chan]); 48498971802798354cdba45c421cc340ec938143e03José Fonseca 48598971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 48698971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 48798971802798354cdba45c421cc340ec938143e03José Fonseca { 48898971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 48998971802798354cdba45c421cc340ec938143e03José Fonseca 49085c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "color%u.%u.%c", i, attrib, "rgba"[chan]); 49198971802798354cdba45c421cc340ec938143e03José Fonseca 49298971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 49398971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 494c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 495635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 49685c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef alpha = out; 497635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 498635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 499635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 50098971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 501635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 502635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 50398971802798354cdba45c421cc340ec938143e03José Fonseca 50485c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin color[cbuf][chan] = out; 50598971802798354cdba45c421cc340ec938143e03José Fonseca break; 50698971802798354cdba45c421cc340ec938143e03José Fonseca } 50798971802798354cdba45c421cc340ec938143e03José Fonseca 50898971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 50998971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 51085c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin z = out; 51198971802798354cdba45c421cc340ec938143e03José Fonseca break; 51298971802798354cdba45c421cc340ec938143e03José Fonseca } 51398971802798354cdba45c421cc340ec938143e03José Fonseca } 51498971802798354cdba45c421cc340ec938143e03José Fonseca } 51598971802798354cdba45c421cc340ec938143e03José Fonseca } 51698971802798354cdba45c421cc340ec938143e03José Fonseca 517d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul if (!early_depth_stencil_test) 518d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul generate_depth_stencil(builder, key, 519d1c9e598838aeac3c8cb90afee00b2cc683be273Brian Paul type, &mask, 52086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li stencil_refs, z, depth_ptr, facing, counter); 5216a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5226a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 5236a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5246a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 5256a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5268e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 52798971802798354cdba45c421cc340ec938143e03José Fonseca 52898971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 52998971802798354cdba45c421cc340ec938143e03José Fonseca 53098971802798354cdba45c421cc340ec938143e03José Fonseca} 53198971802798354cdba45c421cc340ec938143e03José Fonseca 53298971802798354cdba45c421cc340ec938143e03José Fonseca 53398971802798354cdba45c421cc340ec938143e03José Fonseca/** 5345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 535f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param rt the render target index (to index blend, colormask state) 536f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param type the pixel color type 537f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param context_ptr pointer to the runtime JIT context 538f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param mask execution mask (active fragment/pixel mask) 539f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param src colors from the fragment shader 540f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul * \param dst_ptr the destination color buffer pointer 54198971802798354cdba45c421cc340ec938143e03José Fonseca */ 54298971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 54398971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 544f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt, 54598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 546b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 547635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 54898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 54998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 55098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 55198971802798354cdba45c421cc340ec938143e03José Fonseca{ 55298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 553c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 554c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 55598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 556635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 55798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 55898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 55998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 56098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 56198971802798354cdba45c421cc340ec938143e03José Fonseca 562c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 563c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 564c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 565f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 566f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 567c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 568c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 56998971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 57098971802798354cdba45c421cc340ec938143e03José Fonseca 571635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 572635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 573635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 574635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 575f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* load constant blend color and colors from the dest color buffer */ 57698971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 57798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 578635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 57998971802798354cdba45c421cc340ec938143e03José Fonseca 58098971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 58198971802798354cdba45c421cc340ec938143e03José Fonseca 58298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 58398971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 58498971802798354cdba45c421cc340ec938143e03José Fonseca } 58598971802798354cdba45c421cc340ec938143e03José Fonseca 586f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* do blend */ 587f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_blend_soa(builder, blend, type, rt, src, dst, con, res); 58898971802798354cdba45c421cc340ec938143e03José Fonseca 589f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* store results to color buffer */ 59098971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 591f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul if(blend->rt[rt].colormask & (1 << chan)) { 5924c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 5934c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 5944c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 5954c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 5964c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 59798971802798354cdba45c421cc340ec938143e03José Fonseca } 598c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 599c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 600c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 60198971802798354cdba45c421cc340ec938143e03José Fonseca} 60298971802798354cdba45c421cc340ec938143e03José Fonseca 60398971802798354cdba45c421cc340ec938143e03José Fonseca 6048dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul/** casting function to avoid compiler warnings */ 6058dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paulstatic lp_jit_frag_func 6068dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paulcast_voidptr_to_lp_jit_frag_func(void *p) 6078dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul{ 6088dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul union { 6098dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul void *v; 6108dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul lp_jit_frag_func f; 6118dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul } tmp; 6128dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul assert(sizeof(tmp.v) == sizeof(tmp.f)); 6138dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul tmp.v = p; 6148dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul return tmp.f; 6158dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul} 6168dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul 6178dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul 6185811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 6195811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 620866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 621866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 622866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 6235811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6243b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic void 62598971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 62698971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 6272797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_fragment_shader_variant *variant, 6282797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test) 62998971802798354cdba45c421cc340ec938143e03José Fonseca{ 63098971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 6313b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key = &variant->key; 632b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 633b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 63498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 63598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 63698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 63786afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMTypeRef arg_types[16]; 63873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 639ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef int32_vec4_type = lp_build_int32_vec4_type(); 640c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 6417c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 6427c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 64373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 64473af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 64573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 646c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 64739352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 64886afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li LLVMValueRef c0, c1, c2, step0_ptr, step1_ptr, step2_ptr, counter = NULL; 64973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 65073af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 651f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x0; 652f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y0; 6538be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 654f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 65598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 656c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 65798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 6583b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMValueRef function; 65922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul LLVMValueRef facing; 66098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 66139352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 66239352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 663c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 66473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6659ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6665811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 6675811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 6685811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 669b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 67098971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 67198971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 67298971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 67398971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 674866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 675866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 67673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 677b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 67898971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 67998971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 68098971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 68198971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 68298971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 68398971802798354cdba45c421cc340ec938143e03José Fonseca 6845811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6855811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 68608dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 6875811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6885811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 68998971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 69098971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 69198971802798354cdba45c421cc340ec938143e03José Fonseca 69298971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 69373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 694c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 695c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 696c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 69722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[3] = LLVMFloatType(); /* facing */ 69822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 69922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 70022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[6] = LLVMPointerType(fs_elem_type, 0); /* dady */ 70122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[7] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 70222e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[8] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 70322e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[9] = LLVMInt32Type(); /* c0 */ 70422e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[10] = LLVMInt32Type(); /* c1 */ 70522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[11] = LLVMInt32Type(); /* c2 */ 706ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* Note: the step arrays are built as int32[16] but we interpret 707ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * them here as int32_vec4[4]. 708ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 70922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[12] = LLVMPointerType(int32_vec4_type, 0);/* step0 */ 71022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[13] = LLVMPointerType(int32_vec4_type, 0);/* step1 */ 71122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul arg_types[14] = LLVMPointerType(int32_vec4_type, 0);/* step2 */ 71286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li arg_types[15] = LLVMPointerType(LLVMInt32Type(), 0);/* counter */ 71373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 71473af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 71573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7163b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul function = LLVMAddFunction(screen->module, "shader", func_type); 7173b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMSetFunctionCallConv(function, LLVMCCallConv); 7183b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 7192797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[do_tri_test] = function; 7203b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 721c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 722c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 723c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 724c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 725a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 7267c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 7273b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 7283b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 7293b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul context_ptr = LLVMGetParam(function, 0); 7303b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul x = LLVMGetParam(function, 1); 7313b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul y = LLVMGetParam(function, 2); 73222e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing = LLVMGetParam(function, 3); 73322e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul a0_ptr = LLVMGetParam(function, 4); 73422e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dadx_ptr = LLVMGetParam(function, 5); 73522e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul dady_ptr = LLVMGetParam(function, 6); 73622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul color_ptr_ptr = LLVMGetParam(function, 7); 73722e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul depth_ptr = LLVMGetParam(function, 8); 73822e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul c0 = LLVMGetParam(function, 9); 73922e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul c1 = LLVMGetParam(function, 10); 74022e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul c2 = LLVMGetParam(function, 11); 74122e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul step0_ptr = LLVMGetParam(function, 12); 74222e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul step1_ptr = LLVMGetParam(function, 13); 74322e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul step2_ptr = LLVMGetParam(function, 14); 7447c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 745c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 7467c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 7477c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 7485999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 7495999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 7505999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 751f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul lp_build_name(color_ptr_ptr, "color_ptr_ptr"); 75239352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 753ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c0, "c0"); 754ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c1, "c1"); 755ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c2, "c2"); 756ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step0_ptr, "step0"); 757ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step1_ptr, "step1"); 758ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step2_ptr, "step2"); 75973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 76086afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (key->occlusion_count) { 76186afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li counter = LLVMGetParam(function, 15); 76286afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li lp_build_name(counter, "counter"); 76386afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 76486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li 7655811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 7665811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 7675811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 7685811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 7693b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul block = LLVMAppendBasicBlock(function, "entry"); 77073af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 77173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 77273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 773f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca generate_pos0(builder, x, y, &x0, &y0); 774f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 77586f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell lp_build_interp_soa_init(&interp, 77686f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell shader->base.tokens, 77786f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade, 77886f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell builder, fs_type, 779f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 780866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul x0, y0); 781f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 782e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 783e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 784c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 785866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 78698971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 78798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 788c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 78998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 79098971802798354cdba45c421cc340ec938143e03José Fonseca 791f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 792866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 79398971802798354cdba45c421cc340ec938143e03José Fonseca 79498971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 79598971802798354cdba45c421cc340ec938143e03José Fonseca 796635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 79798971802798354cdba45c421cc340ec938143e03José Fonseca builder, 79898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 799635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 80098971802798354cdba45c421cc340ec938143e03José Fonseca i, 801f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 8028be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 803ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 80498971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 805ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 80622e6dc387039e79f6d1435ae8b7422a6514d5d10Brian Paul facing, 8072797f2bf57562c95a601a67edca3089641215cc4Brian Paul do_tri_test, 808ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0, c1, c2, 80986afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li step0_ptr, step1_ptr, step2_ptr, counter); 81098971802798354cdba45c421cc340ec938143e03José Fonseca 811c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 812c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 813c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 81498971802798354cdba45c421cc340ec938143e03José Fonseca } 81539352b34438affc36ce22852bb55359d304a522cJosé Fonseca 8168be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 8178be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 818c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 8195811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 820c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 821c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 822c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 823f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul LLVMValueRef blend_in_color[NUM_CHANNELS]; 824f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul unsigned rt; 8255811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 826c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 827c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 828c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 829c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 830c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 831c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 832c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 833c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 834c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 835635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 836c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 837c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_mask, num_fs, 838c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_mask, 1); 839c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 840c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 841c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 842c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 843c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 844c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 845f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul /* which blend/colormask state to use */ 846f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt = key->blend.independent_blend_enable ? cbuf : 0; 847f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul 848c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 849c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 850c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 851c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 852f795735f4251d5f7842ee9e09994641c5c46d25dBrian Paul rt, 853c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 854c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 855c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 856c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 857c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 858c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 85973af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 86073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8615811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 86273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 86373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 864946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 8655811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 866f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 8674ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 8683b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul if(LLVMVerifyFunction(function, LLVMPrintMessageAction)) { 869f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8708ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 871f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 872a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 8734ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 874a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 875f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 876f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8773b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMRunFunctionPassManager(screen->pass, function); 87873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8792584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if (LP_DEBUG & DEBUG_JIT) { 880f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 8818ad3e0b55df50beac8ba3c5cafa0be79641a4977José Fonseca lp_debug_dump_value(function); 8822584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("\n"); 8832584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 88473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 885f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 886f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 887f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 8888dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul { 8898dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul void *f = LLVMGetPointerToGlobal(screen->engine, function); 8908dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul 8918dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul variant->jit_function[do_tri_test] = cast_voidptr_to_lp_jit_frag_func(f); 89273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8938dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul if (LP_DEBUG & DEBUG_ASM) 8948dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul lp_disassemble(f); 8958dc8c3f5b11d5f158b0027d1501555c898e0451eBrian Paul } 8963b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul} 8973b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8983b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8993b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic struct lp_fragment_shader_variant * 9003b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulgenerate_variant(struct llvmpipe_context *lp, 9013b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader *shader, 9023b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key) 9033b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul{ 9043b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader_variant *variant; 9053b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9063b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if (LP_DEBUG & DEBUG_JIT) { 9073b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul unsigned i; 9083b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9093b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul tgsi_dump(shader->base.tokens, 0); 9103b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->depth.enabled) { 9119189d04cdb55dd5d4d5d78d1a7edab30d4c25340José Fonseca debug_printf("depth.format = %s\n", util_format_name(key->zsbuf_format)); 912abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("depth.func = %s\n", util_dump_func(key->depth.func, TRUE)); 9133b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.writemask = %u\n", key->depth.writemask); 9143b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9153b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->alpha.enabled) { 916abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha.func = %s\n", util_dump_func(key->alpha.func, TRUE)); 9173b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 9183b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9193b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->blend.logicop_enable) { 9203b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("blend.logicop_func = %u\n", key->blend.logicop_func); 9213b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 922bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca else if(key->blend.rt[0].blend_enable) { 923abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("blend.rgb_func = %s\n", util_dump_blend_func (key->blend.rt[0].rgb_func, TRUE)); 924abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("rgb_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_src_factor, TRUE)); 925abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("rgb_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_dst_factor, TRUE)); 926abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha_func = %s\n", util_dump_blend_func (key->blend.rt[0].alpha_func, TRUE)); 927abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_src_factor, TRUE)); 928abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_dst_factor, TRUE)); 9293b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 930bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("blend.colormask = 0x%x\n", key->blend.rt[0].colormask); 9313b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 9323b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].format) { 9333b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("sampler[%u] = \n", i); 9343b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .format = %s\n", 9359189d04cdb55dd5d4d5d78d1a7edab30d4c25340José Fonseca util_format_name(key->sampler[i].format)); 9363b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .target = %s\n", 937abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_target(key->sampler[i].target, TRUE)); 9383b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .pot = %u %u %u\n", 9393b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_width, 9403b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_height, 9413b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_depth); 9423b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .wrap = %s %s %s\n", 943abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 944abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 945abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 9463b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_img_filter = %s\n", 947abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 9483b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_mip_filter = %s\n", 949abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 9503b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .mag_img_filter = %s\n", 951abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 9523b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 953abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf(" .compare_func = %s\n", util_dump_func(key->sampler[i].compare_func, TRUE)); 9543b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 9553b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9563b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9573b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9583b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9593b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = CALLOC_STRUCT(lp_fragment_shader_variant); 9603b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(!variant) 9613b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul return NULL; 9623b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9633b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul memcpy(&variant->key, key, sizeof *key); 964818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 9652797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 0); 9662797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 1); 9679ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 96810fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca /* TODO: most of these can be relaxed, in particular the colormask */ 96910fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca variant->opaque = 97010fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.logicop_enable && 97110fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->blend.rt[0].blend_enable && 97210fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca key->blend.rt[0].colormask == 0xf && 97310fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->stencil[0].enabled && 97410fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->alpha.enabled && 97510fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->depth.enabled && 97610fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !key->scissor && 97710fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca !shader->info.uses_kill 97810fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca ? TRUE : FALSE; 97910fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca 9803b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul /* insert new variant into linked list */ 9819ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->next = shader->variants; 9829ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->variants = variant; 9839ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9849ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 9859ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 9869ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9879ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9889523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void * 9899ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 9909ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 9919ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 9929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 9939ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9949ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 9959ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 9969ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 9979ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9989ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 9999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 10009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 10029ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 10039ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1004ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul if (LP_DEBUG & DEBUG_TGSI) { 1005ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul debug_printf("llvmpipe: Create fragment shader %p:\n", (void *) shader); 1006ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul tgsi_dump(templ->tokens, 0); 1007ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul } 1008ac6725b8f9c331cacd08d95eb22d0c81b0bc9821Brian Paul 100973af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 1010946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 1011946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1012946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 10139523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 1014946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 1015946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1016946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1017946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1018080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 1019080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 1020080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 1021080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 1022080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 1023080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 1024946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1025c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 1026946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 1027946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1028946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 10299523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 1030946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 1031946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1032e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1033e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 103473af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 10359ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 1036946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1037e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 103831d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 10399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10404d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca /* 10414d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * XXX: we need to flush the context until we have some sort of reference 10424d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * counting in fragment shaders as they may still be binned 10434d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca */ 10444d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca draw_flush(llvmpipe->draw); 10454d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca lp_setup_flush(llvmpipe->setup, 0); 10464d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca 10479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 10489ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 10499ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 10502797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned i; 10519ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10522797f2bf57562c95a601a67edca3089641215cc4Brian Paul for (i = 0; i < Elements(variant->function); i++) { 10532797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->function[i]) { 10542797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->jit_function[i]) 10552797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMFreeMachineCodeForFunction(screen->engine, 10562797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[i]); 10572797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMDeleteFunction(variant->function[i]); 10582797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 10599ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 10609ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10619ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 10629ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10639ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 106473af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 106573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 106673af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 106773af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 1068946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 1069946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1070946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1071946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 10729523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulstatic void 1073946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 1074946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 1075287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell struct pipe_resource *constants) 1076946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1077946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 1078287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell unsigned size = constants ? constants->width0 : 0; 10790639765b2850739af1678f10fc0c5706d5827776Brian Paul const void *data = constants ? llvmpipe_resource_data(constants) : NULL; 1080946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1081946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 1082946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 1083946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1084ba5d600c90f7075cf2c33a0c5c679ef822e8746eJosé Fonseca if(llvmpipe->constants[shader] == constants) 1085d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 1086d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 1087080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 108869588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 1089946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 1090287c94ea4987033f9c99a2f91c5750c9083504caKeith Whitwell pipe_resource_reference(&llvmpipe->constants[shader], constants); 109169588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 109269588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 10939851644435f991a1a1bbb145333a97601627b37dMichal Krol draw_set_mapped_constant_buffer(llvmpipe->draw, PIPE_SHADER_VERTEX, 0, 109489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin data, size); 109569588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca } 1096946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1097c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 1098946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 10999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 11009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1101635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 110259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Return the blend factor equivalent to a destination alpha of one. 110359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 110459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecastatic INLINE unsigned 110559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonsecaforce_dst_alpha_one(unsigned factor, boolean alpha) 110659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca{ 110759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 110859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_ALPHA: 110959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 111059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_ALPHA: 111159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 111259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 111359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 111459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 111559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 111659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (alpha) { 111759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca switch(factor) { 111859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_DST_COLOR: 111959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ONE; 112059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca case PIPE_BLENDFACTOR_INV_DST_COLOR: 112159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return PIPE_BLENDFACTOR_ZERO; 112259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 112359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 112459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 112559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca return factor; 112659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca} 112759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 112859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 112959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca/** 1130635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 1131635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 1132635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 1133635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 1134635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 1135635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 1136635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 1137635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 1138e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 1139635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 1140635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 1141e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 1142e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1143635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 1144635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 114567b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->framebuffer.zsbuf) { 114667b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->depth.enabled) { 114767b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 114867b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 114967b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 115067b82fc395fc9972fc08233044057ab540c7ab59Brian Paul if (lp->depth_stencil->stencil[0].enabled) { 115167b82fc395fc9972fc08233044057ab540c7ab59Brian Paul key->zsbuf_format = lp->framebuffer.zsbuf->format; 115267b82fc395fc9972fc08233044057ab540c7ab59Brian Paul memcpy(&key->stencil, &lp->depth_stencil->stencil, sizeof key->stencil); 115367b82fc395fc9972fc08233044057ab540c7ab59Brian Paul } 1154cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 1155635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1156635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1157635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 1158635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 1159635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 1160635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 116186f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade = lp->rasterizer->flatshade; 11624461442849bfdb817334b38567136f7f9dabdf59Brian Paul key->scissor = lp->rasterizer->scissor; 116386afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li if (lp->active_query_count) { 116486afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li key->occlusion_count = TRUE; 116586afe8250edaa2e6129c937a62a695f616c48d70Qicheng Christopher Li } 11664c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1167c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 11684c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca memcpy(&key->blend, lp->blend, sizeof key->blend); 1169c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 11704c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1171c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 1172c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 117359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca struct pipe_rt_blend_state *blend_rt = &key->blend.rt[i]; 11744c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 11754c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 11764c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1177c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell format_desc = util_format_description(lp->framebuffer.cbufs[i]->format); 11786ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca assert(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB || 11796ae9975ea08b64d7f4e7a2c6c535c14280bef843José Fonseca format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB); 11804c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 118159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->colormask = lp->blend->rt[i].colormask; 1182862d014ba91f0b959465a48005e94f530f0374a5Brian Paul 1183c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* mask out color channels not present in the color buffer. 1184c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Should be simple to incorporate per-cbuf writemasks: 1185c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 11864c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 11874c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 1188c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1189862d014ba91f0b959465a48005e94f530f0374a5Brian Paul if(swizzle > UTIL_FORMAT_SWIZZLE_W) 119059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->colormask &= ~(1 << chan); 119159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca } 119259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca 119359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca /* 119459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * Our swizzled render tiles always have an alpha channel, but the linear 119559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * render target format often does not, so force here the dst alpha to be 119659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * one. 119759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 119859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * This is not a mere optimization. Wrong results will be produced if the 119959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * dst alpha is used, the dst format does not have alpha, and the previous 120059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * rendering was not flushed from the swizzled to linear buffer. For 120159253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * example, NonPowTwo DCT. 120259253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * 120359253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * TODO: This should be generalized to all channels for better 120459253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca * performance, but only alpha causes correctness issues. 120559253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca */ 120659253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca if (format_desc->swizzle[3] > UTIL_FORMAT_SWIZZLE_W) { 120759253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_src_factor = force_dst_alpha_one(blend_rt->rgb_src_factor, FALSE); 120859253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->rgb_dst_factor = force_dst_alpha_one(blend_rt->rgb_dst_factor, FALSE); 120959253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_src_factor = force_dst_alpha_one(blend_rt->alpha_src_factor, TRUE); 121059253a79d823a4cfd1d65466c0a165d6d4c43a92José Fonseca blend_rt->alpha_dst_factor = force_dst_alpha_one(blend_rt->alpha_dst_factor, TRUE); 12114c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 12124c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 1213e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1214e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 1215e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 1216d67e3487ac4c678892d0aea535cacfd5f1d86a27José Fonseca lp_sampler_static_state(&key->sampler[i], lp->fragment_sampler_views[i], lp->sampler[i]); 1217635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 1218635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1219635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 12204769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul/** 12214769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * Update fragment state. This is called just prior to drawing 12224769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * something when some fragment-related state has changed. 12234769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul */ 12245811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 12255811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 12269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 12279ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 1228e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 12299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 12309ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1231e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 1232e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 12339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 12349ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 1235e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 12369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 12379ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 12389ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 12399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 12409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1241e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul if (!variant) { 1242a8270c7c29b141025f606c811812304a72e42d2eBrian Paul int64_t t0, t1; 1243e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul int64_t dt; 1244a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t0 = os_time_get(); 1245e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul 12463b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = generate_variant(lp, shader, &key); 12479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1248a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t1 = os_time_get(); 1249a8270c7c29b141025f606c811812304a72e42d2eBrian Paul dt = t1 - t0; 1250e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(llvm_compile_time, dt); 1251e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ 1252e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul } 12539ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 12542797f2bf57562c95a601a67edca3089641215cc4Brian Paul lp_setup_set_fs_functions(lp->setup, 1255a7e2470843be35b7373e48fc6be9e0f9df877afbBrian Paul variant->jit_function[RAST_WHOLE], 1256a7e2470843be35b7373e48fc6be9e0f9df877afbBrian Paul variant->jit_function[RAST_EDGE_TEST], 125710fdbb9298489e9dfb2ecec0662abe29da5b6239José Fonseca variant->opaque); 12589ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 12599523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12609523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12619523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12629523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulvoid 12639523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paulllvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe) 12649523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul{ 12659523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state; 12669523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state; 12679523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state; 12689523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul 12699523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer; 12709523d78dde7f2e819275ecb39cdeafe50eb65f13Brian Paul} 1271