lp_state_fs.c revision 185be3a87a5b38e8821a560c073975c11dcbd3e9
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 405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - depth/stencil test (stencil TBI) 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_depth.h" 81c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_interp.h" 82c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_tgsi.h" 83c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_alpha.h" 84c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_blend.h" 85c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_swizzle.h" 86c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_flow.h" 87c61bf363937f40624a5632745630d4f2b9907082Zack Rusin#include "gallivm/lp_bld_debug.h" 8869588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca#include "lp_buffer.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/** 1415811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the depth test. 1425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 143e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 144cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonsecagenerate_depth(LLVMBuilderRef builder, 145cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca const struct lp_fragment_shader_variant_key *key, 146b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type src_type, 14798971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context *mask, 14898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef src, 14998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 150e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 151e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 152b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 153e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 154cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(!key->depth.enabled) 155e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca return; 156e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 157cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 158e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 159e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1602282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1612282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1622282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1632282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1642282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1652282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1662282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1672282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1682282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1692282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1702282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1712282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1722282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1732282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1745811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 175e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 176e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1775811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 178e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 179e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 180e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 181e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1822282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1832282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1842282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1852282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 186e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 187e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_depth_test(builder, 188cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca &key->depth, 189e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type, 190e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca format_desc, 191e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca mask, 192e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src, 193e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_ptr); 194e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 195e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 196e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 19798971802798354cdba45c421cc340ec938143e03José Fonseca/** 198ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * Generate the code to do inside/outside triangle testing for the 199ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * four pixels in a 2x2 quad. This will set the four elements of the 200ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * quad mask vector to 0 or ~0. 201ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad of the quad group to test, in [0,3] 202ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 203ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulstatic void 204ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulgenerate_tri_edge_mask(LLVMBuilderRef builder, 205ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul unsigned i, 206ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef *mask, /* ivec4, out */ 207ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, /* int32 */ 208ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, /* int32 */ 209ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, /* int32 */ 210ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, /* ivec4 */ 211ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, /* ivec4 */ 212ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) /* ivec4 */ 213ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul{ 2144061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#define OPTIMIZE_IN_OUT_TEST 0 2154061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#if OPTIMIZE_IN_OUT_TEST 216f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul struct lp_build_if_state ifctx; 2174061ca02dd837950201a9ada462f944ae25deeb5Brian Paul LLVMValueRef not_draw_all; 2184061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#endif 2194061ca02dd837950201a9ada462f944ae25deeb5Brian Paul struct lp_build_flow_context *flow; 220ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul struct lp_type i32_type; 221f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMTypeRef i32vec4_type, mask_type; 222ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0_vec, c1_vec, c2_vec; 223f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef in_out_mask; 224ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 225ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 226ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 227ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* int32 vector type */ 228ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul memset(&i32_type, 0, sizeof i32_type); 229ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.floating = FALSE; /* values are integers */ 230ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.sign = TRUE; /* values are signed */ 231ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.norm = FALSE; /* values are not normalized */ 232ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.width = 32; /* 32-bit int values */ 233ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.length = 4; /* 4 elements per vector */ 234ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 235ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32vec4_type = lp_build_int32_vec4_type(); 236ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 237f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul mask_type = LLVMIntType(32 * 4); 238f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 239f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 240f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Use a conditional here to do detailed pixel in/out testing. 2419a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * We only have to do this if c0 != INT_MIN. 242f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 243f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul flow = lp_build_flow_create(builder); 244f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_begin(flow); 245ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 24646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul { 247f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 2489a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* not_draw_all = (c0 != INT_MIN) */ 249f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul not_draw_all = LLVMBuildICmp(builder, 25046b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMIntNE, 25146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0, 25246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMConstInt(LLVMInt32Type(), INT_MIN, 0), 253f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul ""); 254ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 255185be3a87a5b38e8821a560c073975c11dcbd3e9Brian Paul in_out_mask = lp_build_const_int_vec(i32_type, ~0); 25646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 25746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 258f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_declare(flow, &in_out_mask); 259ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 2609a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* if (not_draw_all) {... */ 261f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_if(&ifctx, flow, builder, not_draw_all); 262f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 263f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul { 264f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef step0_vec, step1_vec, step2_vec; 265f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef m0_vec, m1_vec, m2_vec; 266f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef index, m; 267f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 26846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul /* c0_vec = {c0, c0, c0, c0} 26946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * Note that we emit this code four times but LLVM optimizes away 27046b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * three instances of it. 27146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul */ 27246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0_vec = lp_build_broadcast(builder, i32vec4_type, c0); 27346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c1_vec = lp_build_broadcast(builder, i32vec4_type, c1); 27446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c2_vec = lp_build_broadcast(builder, i32vec4_type, c2); 27546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c0_vec, "edgeconst0vec"); 27646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c1_vec, "edgeconst1vec"); 27746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c2_vec, "edgeconst2vec"); 27846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 2799a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* load step0vec, step1, step2 vec from memory */ 280f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul index = LLVMConstInt(LLVMInt32Type(), i, 0); 281f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step0_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step0_ptr, &index, 1, ""), ""); 282f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step1_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step1_ptr, &index, 1, ""), ""); 283f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step2_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step2_ptr, &index, 1, ""), ""); 284f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step0_vec, "step0vec"); 285f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step1_vec, "step1vec"); 286f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step2_vec, "step2vec"); 287f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2889a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* m0_vec = step0_ptr[i] > c0_vec */ 289f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m0_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step0_vec, c0_vec); 290f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m1_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step1_vec, c1_vec); 291f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m2_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step2_vec, c2_vec); 292f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2939a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* in_out_mask = m0_vec & m1_vec & m2_vec */ 294f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m = LLVMBuildAnd(builder, m0_vec, m1_vec, ""); 295f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul in_out_mask = LLVMBuildAnd(builder, m, m2_vec, ""); 296f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(in_out_mask, "inoutmaskvec"); 297f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul } 298f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 299f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_endif(&ifctx); 300f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 3015771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 30246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul } 303f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_end(flow); 304f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_destroy(flow); 3055771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 3069a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* This is the initial alive/dead pixel mask for a quad of four pixels. 3079a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * It's an int[4] vector with each word set to 0 or ~0. 3089a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * Words will get cleared when pixels faile the Z test, etc. 3099a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul */ 310f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul *mask = in_out_mask; 311ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul} 312ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 313ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 3144461442849bfdb817334b38567136f7f9dabdf59Brian Paulstatic LLVMValueRef 3154461442849bfdb817334b38567136f7f9dabdf59Brian Paulgenerate_scissor_test(LLVMBuilderRef builder, 3164461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef context_ptr, 3174461442849bfdb817334b38567136f7f9dabdf59Brian Paul const struct lp_build_interp_soa_context *interp, 3184461442849bfdb817334b38567136f7f9dabdf59Brian Paul struct lp_type type) 3194461442849bfdb817334b38567136f7f9dabdf59Brian Paul{ 3204461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMTypeRef vec_type = lp_build_vec_type(type); 3214461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xpos = interp->pos[0], ypos = interp->pos[1]; 3224461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xmin, ymin, xmax, ymax; 3234461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef m0, m1, m2, m3, m; 3244461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3254461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* xpos, ypos contain the window coords for the four pixels in the quad */ 3264461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(xpos); 3274461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(ypos); 3284461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3294461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* get the current scissor bounds, convert to vectors */ 3304461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_jit_context_scissor_xmin_value(builder, context_ptr); 3314461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_build_broadcast(builder, vec_type, xmin); 3324461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3334461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_jit_context_scissor_ymin_value(builder, context_ptr); 3344461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_build_broadcast(builder, vec_type, ymin); 3354461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3364461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_jit_context_scissor_xmax_value(builder, context_ptr); 3374461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_build_broadcast(builder, vec_type, xmax); 3384461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3394461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_jit_context_scissor_ymax_value(builder, context_ptr); 3404461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_build_broadcast(builder, vec_type, ymax); 3414461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3424461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* compare the fragment's position coordinates against the scissor bounds */ 3434461442849bfdb817334b38567136f7f9dabdf59Brian Paul m0 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, xpos, xmin); 3444461442849bfdb817334b38567136f7f9dabdf59Brian Paul m1 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, ypos, ymin); 3454461442849bfdb817334b38567136f7f9dabdf59Brian Paul m2 = lp_build_compare(builder, type, PIPE_FUNC_LESS, xpos, xmax); 3464461442849bfdb817334b38567136f7f9dabdf59Brian Paul m3 = lp_build_compare(builder, type, PIPE_FUNC_LESS, ypos, ymax); 3474461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3484461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* AND all the masks together */ 3494461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m0, m1, ""); 3504461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m2, ""); 3514461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m3, ""); 3524461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3534461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_name(m, "scissormask"); 3544461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3554461442849bfdb817334b38567136f7f9dabdf59Brian Paul return m; 3564461442849bfdb817334b38567136f7f9dabdf59Brian Paul} 3574461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3584461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3592797f2bf57562c95a601a67edca3089641215cc4Brian Paulstatic LLVMValueRef 3602797f2bf57562c95a601a67edca3089641215cc4Brian Paulbuild_int32_vec_const(int value) 3612797f2bf57562c95a601a67edca3089641215cc4Brian Paul{ 3622797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_type i32_type; 3632797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3642797f2bf57562c95a601a67edca3089641215cc4Brian Paul memset(&i32_type, 0, sizeof i32_type); 3652797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.floating = FALSE; /* values are integers */ 3662797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.sign = TRUE; /* values are signed */ 3672797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.norm = FALSE; /* values are not normalized */ 3682797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.width = 32; /* 32-bit int values */ 3692797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.length = 4; /* 4 elements per vector */ 370185be3a87a5b38e8821a560c073975c11dcbd3e9Brian Paul return lp_build_const_int_vec(i32_type, value); 3712797f2bf57562c95a601a67edca3089641215cc4Brian Paul} 3722797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3732797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3742797f2bf57562c95a601a67edca3089641215cc4Brian Paul 375ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 3765811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 377ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 3782797f2bf57562c95a601a67edca3089641215cc4Brian Paul * \param do_tri_test if 1, do triangle edge in/out testing 37998971802798354cdba45c421cc340ec938143e03José Fonseca */ 38098971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 38198971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 38298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 38398971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 38498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 385b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 386635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 38798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 388f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 3898be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 39098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 391c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 392ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 3932797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test, 394ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, 395ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, 396ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, 397ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, 398ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, 399ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) 40073af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 40173af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 40273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef elem_type; 40373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 4047821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMTypeRef int_vec_type; 405635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 40698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 407f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 4088e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 40998971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 41098971802798354cdba45c421cc340ec938143e03José Fonseca boolean early_depth_test; 41198971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 41298971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 413c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 41498971802798354cdba45c421cc340ec938143e03José Fonseca 415ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 41698971802798354cdba45c421cc340ec938143e03José Fonseca 41798971802798354cdba45c421cc340ec938143e03José Fonseca elem_type = lp_build_elem_type(type); 41898971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 41998971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 42098971802798354cdba45c421cc340ec938143e03José Fonseca 421635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 422635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 4238e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 4248e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4258e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 4268e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4278e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 4288e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4298e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 430c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 431c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 432c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 433c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 434c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 4358e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 4366a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 4378e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 438ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 4392797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (do_tri_test) { 4402797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_tri_edge_mask(builder, i, pmask, 4412797f2bf57562c95a601a67edca3089641215cc4Brian Paul c0, c1, c2, step0_ptr, step1_ptr, step2_ptr); 4422797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 4432797f2bf57562c95a601a67edca3089641215cc4Brian Paul else { 4442797f2bf57562c95a601a67edca3089641215cc4Brian Paul *pmask = build_int32_vec_const(~0); 4452797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 446ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 4475771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 4488e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 44998971802798354cdba45c421cc340ec938143e03José Fonseca 4504461442849bfdb817334b38567136f7f9dabdf59Brian Paul if (key->scissor) { 4514461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef smask = 4524461442849bfdb817334b38567136f7f9dabdf59Brian Paul generate_scissor_test(builder, context_ptr, interp, type); 4534461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_mask_update(&mask, smask); 4544461442849bfdb817334b38567136f7f9dabdf59Brian Paul } 455ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 45698971802798354cdba45c421cc340ec938143e03José Fonseca early_depth_test = 457cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->depth.enabled && 458cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 459cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 460cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 46198971802798354cdba45c421cc340ec938143e03José Fonseca 46298971802798354cdba45c421cc340ec938143e03José Fonseca if(early_depth_test) 463cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca generate_depth(builder, key, 464f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca type, &mask, 465f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z, depth_ptr); 46698971802798354cdba45c421cc340ec938143e03José Fonseca 46798971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 468f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 4698be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca outputs, sampler); 47098971802798354cdba45c421cc340ec938143e03José Fonseca 47198971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 47298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 47398971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 47485c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], ""); 47585c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "output%u.%u.%c", i, attrib, "xyzw"[chan]); 47698971802798354cdba45c421cc340ec938143e03José Fonseca 47798971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 47898971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 47998971802798354cdba45c421cc340ec938143e03José Fonseca { 48098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 48198971802798354cdba45c421cc340ec938143e03José Fonseca 48285c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin lp_build_name(out, "color%u.%u.%c", i, attrib, "rgba"[chan]); 48398971802798354cdba45c421cc340ec938143e03José Fonseca 48498971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 48598971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 486c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 487635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 48885c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin LLVMValueRef alpha = out; 489635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 490635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 491635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 49298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 493635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 494635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 49598971802798354cdba45c421cc340ec938143e03José Fonseca 49685c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin color[cbuf][chan] = out; 49798971802798354cdba45c421cc340ec938143e03José Fonseca break; 49898971802798354cdba45c421cc340ec938143e03José Fonseca } 49998971802798354cdba45c421cc340ec938143e03José Fonseca 50098971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 50198971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 50285c7ec70ad41c8ada75a4cbace83d16815d3e2c5Zack Rusin z = out; 50398971802798354cdba45c421cc340ec938143e03José Fonseca break; 50498971802798354cdba45c421cc340ec938143e03José Fonseca } 50598971802798354cdba45c421cc340ec938143e03José Fonseca } 50698971802798354cdba45c421cc340ec938143e03José Fonseca } 50798971802798354cdba45c421cc340ec938143e03José Fonseca } 50898971802798354cdba45c421cc340ec938143e03José Fonseca 5096a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca if(!early_depth_test) 5106a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca generate_depth(builder, key, 5116a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca type, &mask, 5126a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca z, depth_ptr); 5136a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5146a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 5156a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5166a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 5176a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5188e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 51998971802798354cdba45c421cc340ec938143e03José Fonseca 52098971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 52198971802798354cdba45c421cc340ec938143e03José Fonseca 52298971802798354cdba45c421cc340ec938143e03José Fonseca} 52398971802798354cdba45c421cc340ec938143e03José Fonseca 52498971802798354cdba45c421cc340ec938143e03José Fonseca 52598971802798354cdba45c421cc340ec938143e03José Fonseca/** 5265811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 52798971802798354cdba45c421cc340ec938143e03José Fonseca */ 52898971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 52998971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 53098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 531b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 532635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 53398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 53498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 53598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 53698971802798354cdba45c421cc340ec938143e03José Fonseca{ 53798971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 538c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 539c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 54098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 54198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef int_vec_type; 542635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 54398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 54498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 54598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 54698971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 54798971802798354cdba45c421cc340ec938143e03José Fonseca 548c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 549c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 550c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 551f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 552f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 553c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 554c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 55598971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 55698971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 55798971802798354cdba45c421cc340ec938143e03José Fonseca 558635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 559635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 560635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 561635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 56298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 56398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 564635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 56598971802798354cdba45c421cc340ec938143e03José Fonseca 56698971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 56798971802798354cdba45c421cc340ec938143e03José Fonseca 56898971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 56998971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 57098971802798354cdba45c421cc340ec938143e03José Fonseca } 57198971802798354cdba45c421cc340ec938143e03José Fonseca 57298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_blend_soa(builder, blend, type, src, dst, con, res); 57398971802798354cdba45c421cc340ec938143e03José Fonseca 57498971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 57504cb5dfb1e0968300204980b08748a140e5e7918Roland Scheidegger if(blend->rt[0].colormask & (1 << chan)) { 5764c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 5774c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 5784c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 5794c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 5804c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 58198971802798354cdba45c421cc340ec938143e03José Fonseca } 582c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 583c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 584c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 58598971802798354cdba45c421cc340ec938143e03José Fonseca} 58698971802798354cdba45c421cc340ec938143e03José Fonseca 58798971802798354cdba45c421cc340ec938143e03José Fonseca 5885811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 5895811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 590866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 591866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 592866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 5935811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5943b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic void 59598971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 59698971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 5972797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_fragment_shader_variant *variant, 5982797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test) 59998971802798354cdba45c421cc340ec938143e03José Fonseca{ 60098971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 6013b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key = &variant->key; 602b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 603b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 60498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 60598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_vec_type; 60698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 60798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 60898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_int_vec_type; 609ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef arg_types[14]; 61073af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 611ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef int32_vec4_type = lp_build_int32_vec4_type(); 612c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 6137c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 6147c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 61573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 61673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 61773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 618c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 61939352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 620ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, c1, c2, step0_ptr, step1_ptr, step2_ptr; 62173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 62273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 623f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x0; 624f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y0; 6258be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 626f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 62798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 628c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 62998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 63098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_in_color[NUM_CHANNELS]; 6313b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMValueRef function; 63298971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 63339352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 63439352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 635c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 63673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6379ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6385811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 6395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 6405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 641b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 64298971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 64398971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 64498971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 64598971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 646866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 647866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 64873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 649b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 65098971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 65198971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 65298971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 65398971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 65498971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 65598971802798354cdba45c421cc340ec938143e03José Fonseca 6565811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6575811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 65808dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 6595811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6605811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 66198971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 66298971802798354cdba45c421cc340ec938143e03José Fonseca fs_vec_type = lp_build_vec_type(fs_type); 66398971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 66498971802798354cdba45c421cc340ec938143e03José Fonseca 66598971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 66698971802798354cdba45c421cc340ec938143e03José Fonseca blend_int_vec_type = lp_build_int_vec_type(blend_type); 66773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 668c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 669c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 670c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 671c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[3] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 672c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 673c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dady */ 674c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell arg_types[6] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 675ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[7] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 676ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[8] = LLVMInt32Type(); /* c0 */ 6779a23d810be02edf740ce58196435cd6cdfd903c9Brian Paul arg_types[9] = LLVMInt32Type(); /* c1 */ 678ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[10] = LLVMInt32Type(); /* c2 */ 679ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* Note: the step arrays are built as int32[16] but we interpret 680ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * them here as int32_vec4[4]. 681ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 682ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[11] = LLVMPointerType(int32_vec4_type, 0);/* step0 */ 683ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[12] = LLVMPointerType(int32_vec4_type, 0);/* step1 */ 684ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[13] = LLVMPointerType(int32_vec4_type, 0);/* step2 */ 68573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 68673af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 68773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6883b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul function = LLVMAddFunction(screen->module, "shader", func_type); 6893b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMSetFunctionCallConv(function, LLVMCCallConv); 6903b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 6912797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[do_tri_test] = function; 6923b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 693c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 694c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 695c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 696c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 697a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 6987c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 6993b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 7003b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 7013b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul context_ptr = LLVMGetParam(function, 0); 7023b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul x = LLVMGetParam(function, 1); 7033b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul y = LLVMGetParam(function, 2); 7043b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul a0_ptr = LLVMGetParam(function, 3); 7053b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul dadx_ptr = LLVMGetParam(function, 4); 7063b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul dady_ptr = LLVMGetParam(function, 5); 7073b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul color_ptr_ptr = LLVMGetParam(function, 6); 7083b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul depth_ptr = LLVMGetParam(function, 7); 7093b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c0 = LLVMGetParam(function, 8); 7103b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c1 = LLVMGetParam(function, 9); 7113b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c2 = LLVMGetParam(function, 10); 7123b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step0_ptr = LLVMGetParam(function, 11); 7133b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step1_ptr = LLVMGetParam(function, 12); 7143b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step2_ptr = LLVMGetParam(function, 13); 7157c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 716c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 7177c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 7187c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 7195999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 7205999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 7215999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 722c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr_ptr, "color_ptr"); 72339352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 724ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c0, "c0"); 725ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c1, "c1"); 726ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c2, "c2"); 727ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step0_ptr, "step0"); 728ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step1_ptr, "step1"); 729ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step2_ptr, "step2"); 73073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 7325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 7335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 7345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 7353b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul block = LLVMAppendBasicBlock(function, "entry"); 73673af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 73773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 73873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 739f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca generate_pos0(builder, x, y, &x0, &y0); 740f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 74186f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell lp_build_interp_soa_init(&interp, 74286f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell shader->base.tokens, 74386f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade, 74486f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell builder, fs_type, 745f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 746866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul x0, y0); 747f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 748e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 749e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 750c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 751866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 75298971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 75398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 754c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 75598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 756c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell int cbuf; 75798971802798354cdba45c421cc340ec938143e03José Fonseca 758f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 759866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 76098971802798354cdba45c421cc340ec938143e03José Fonseca 76198971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 76298971802798354cdba45c421cc340ec938143e03José Fonseca 763635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 76498971802798354cdba45c421cc340ec938143e03José Fonseca builder, 76598971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 766635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 76798971802798354cdba45c421cc340ec938143e03José Fonseca i, 768f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 7698be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 770ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 77198971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 772ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 7732797f2bf57562c95a601a67edca3089641215cc4Brian Paul do_tri_test, 774ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0, c1, c2, 775ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul step0_ptr, step1_ptr, step2_ptr); 77698971802798354cdba45c421cc340ec938143e03José Fonseca 777c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 778c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 779c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 78098971802798354cdba45c421cc340ec938143e03José Fonseca } 78139352b34438affc36ce22852bb55359d304a522cJosé Fonseca 7828be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 7838be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 784c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 7855811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 786c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 787c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 788c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 7895811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 790c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 791c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 792c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 793c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 794c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 795c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 796c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 797c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 798c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 799635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 800c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 801c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_mask, num_fs, 802c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_mask, 1); 803c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 804c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 805c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 806c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 807c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 808c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 809c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 810c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 811c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 812c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 813c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 814c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 815c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 816c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 817c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 818c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 81973af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 82073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8215811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 82273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 82373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 824946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 8255811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 826f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 8274ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 8283b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul if(LLVMVerifyFunction(function, LLVMPrintMessageAction)) { 829f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8303b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMDumpValue(function); 831f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 832a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 8334ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 834a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 835f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 836f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8373b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMRunFunctionPassManager(screen->pass, function); 83873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8392584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if (LP_DEBUG & DEBUG_JIT) { 840f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 8413b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMDumpValue(function); 8422584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("\n"); 8432584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 84473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 845f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 846f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 847f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 8482797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->jit_function[do_tri_test] = (lp_jit_frag_func)LLVMGetPointerToGlobal(screen->engine, function); 84973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8502584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if (LP_DEBUG & DEBUG_ASM) 8512797f2bf57562c95a601a67edca3089641215cc4Brian Paul lp_disassemble(variant->jit_function[do_tri_test]); 8523b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul} 8533b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8543b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8553b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic struct lp_fragment_shader_variant * 8563b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulgenerate_variant(struct llvmpipe_context *lp, 8573b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader *shader, 8583b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key) 8593b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul{ 8603b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader_variant *variant; 8613b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8623b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if (LP_DEBUG & DEBUG_JIT) { 8633b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul unsigned i; 8643b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8653b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul tgsi_dump(shader->base.tokens, 0); 8663b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->depth.enabled) { 8679189d04cdb55dd5d4d5d78d1a7edab30d4c25340José Fonseca debug_printf("depth.format = %s\n", util_format_name(key->zsbuf_format)); 868abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("depth.func = %s\n", util_dump_func(key->depth.func, TRUE)); 8693b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.writemask = %u\n", key->depth.writemask); 8703b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8713b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->alpha.enabled) { 872abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha.func = %s\n", util_dump_func(key->alpha.func, TRUE)); 8733b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 8743b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8753b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->blend.logicop_enable) { 8763b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("blend.logicop_func = %u\n", key->blend.logicop_func); 8773b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 878bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca else if(key->blend.rt[0].blend_enable) { 879abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("blend.rgb_func = %s\n", util_dump_blend_func (key->blend.rt[0].rgb_func, TRUE)); 880abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("rgb_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_src_factor, TRUE)); 881abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("rgb_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].rgb_dst_factor, TRUE)); 882abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha_func = %s\n", util_dump_blend_func (key->blend.rt[0].alpha_func, TRUE)); 883abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha_src_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_src_factor, TRUE)); 884abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf("alpha_dst_factor = %s\n", util_dump_blend_factor(key->blend.rt[0].alpha_dst_factor, TRUE)); 8853b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 886bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("blend.colormask = 0x%x\n", key->blend.rt[0].colormask); 8873b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 8883b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].format) { 8893b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("sampler[%u] = \n", i); 8903b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .format = %s\n", 8919189d04cdb55dd5d4d5d78d1a7edab30d4c25340José Fonseca util_format_name(key->sampler[i].format)); 8923b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .target = %s\n", 893abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_target(key->sampler[i].target, TRUE)); 8943b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .pot = %u %u %u\n", 8953b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_width, 8963b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_height, 8973b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_depth); 8983b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .wrap = %s %s %s\n", 899abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 900abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 901abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 9023b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_img_filter = %s\n", 903abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 9043b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_mip_filter = %s\n", 905abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 9063b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .mag_img_filter = %s\n", 907abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca util_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 9083b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 909abdcdb3db73316c5ebca88bda04b90b6659782e8José Fonseca debug_printf(" .compare_func = %s\n", util_dump_func(key->sampler[i].compare_func, TRUE)); 9103b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 9113b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9123b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9133b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9143b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9153b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = CALLOC_STRUCT(lp_fragment_shader_variant); 9163b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(!variant) 9173b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul return NULL; 9183b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9193b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant->shader = shader; 9203b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul memcpy(&variant->key, key, sizeof *key); 921818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 9222797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 0); 9232797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 1); 9249ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9253b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul /* insert new variant into linked list */ 9269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->next = shader->variants; 9279ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->variants = variant; 9289ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 9309ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 9319ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecavoid * 9349ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 9359ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 9369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 9379ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 9389ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 9409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 9419ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 9429ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9439ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 9449ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 9459ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9469ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 9479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 9489ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 94973af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 950946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 951946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 952946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 953946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 954946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 955946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 956946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 957946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 958080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 959080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 960080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 961080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 962080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 963080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 964946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 965c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 966946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 967946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 968946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 969946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 970946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 971946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 972e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 973e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 97473af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 9759ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 976946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 977e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 97831d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 9799ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9804d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca /* 9814d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * XXX: we need to flush the context until we have some sort of reference 9824d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca * counting in fragment shaders as they may still be binned 9834d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca */ 9844d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca draw_flush(llvmpipe->draw); 9854d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca lp_setup_flush(llvmpipe->setup, 0); 9864d5dd82558fcf1f6fcfdb95b225a4e3f842a9133José Fonseca 9879ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 9889ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 9899ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 9902797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned i; 9919ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9922797f2bf57562c95a601a67edca3089641215cc4Brian Paul for (i = 0; i < Elements(variant->function); i++) { 9932797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->function[i]) { 9942797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->jit_function[i]) 9952797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMFreeMachineCodeForFunction(screen->engine, 9962797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[i]); 9972797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMDeleteFunction(variant->function[i]); 9982797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 9999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 10009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 10029ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10039ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 100473af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 100573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 100673af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 100773af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 1008946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 1009946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1010946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1011946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1012946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 1013946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 1014946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 101570c8d2a29724d018bacc4a68ddc61db08faea00dRoland Scheidegger struct pipe_buffer *constants) 1016946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1017946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 10181278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger unsigned size = constants ? constants->size : 0; 10191278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger const void *data = constants ? llvmpipe_buffer(constants)->data : NULL; 1020946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1021946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 1022946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 1023946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1024ba5d600c90f7075cf2c33a0c5c679ef822e8746eJosé Fonseca if(llvmpipe->constants[shader] == constants) 1025d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 1026d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 1027080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 102869588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 1029946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 10301278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger pipe_buffer_reference(&llvmpipe->constants[shader], constants); 103169588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca 103269588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 10339851644435f991a1a1bbb145333a97601627b37dMichal Krol draw_set_mapped_constant_buffer(llvmpipe->draw, PIPE_SHADER_VERTEX, 0, 103489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin data, size); 103569588d7ed59a019a5272a9cc391e30c47d006aeeJosé Fonseca } 1036946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1037c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 1038946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 10399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1041635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 1042635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 1043635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 1044635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 1045635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 1046635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 1047635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 1048635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 1049635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 1050e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 1051635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 1052635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 1053e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 1054e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1055635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 1056635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1057cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(lp->framebuffer.zsbuf && 1058cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca lp->depth_stencil->depth.enabled) { 1059cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->zsbuf_format = lp->framebuffer.zsbuf->format; 1060cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 1061cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 1062635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1063635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1064635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 1065635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 1066635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 1067635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 106886f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade = lp->rasterizer->flatshade; 10694461442849bfdb817334b38567136f7f9dabdf59Brian Paul key->scissor = lp->rasterizer->scissor; 10704c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1071c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 10724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca memcpy(&key->blend, lp->blend, sizeof key->blend); 1073c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 10744c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1075c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 1076c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 10774c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 10784c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 10794c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1080c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell format_desc = util_format_description(lp->framebuffer.cbufs[i]->format); 10814c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca assert(format_desc->layout == UTIL_FORMAT_COLORSPACE_RGB || 10824c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc->layout == UTIL_FORMAT_COLORSPACE_SRGB); 10834c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1084c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* mask out color channels not present in the color buffer. 1085c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Should be simple to incorporate per-cbuf writemasks: 1086c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 10874c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 10884c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 1089c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1090c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if(swizzle <= UTIL_FORMAT_SWIZZLE_W) 1091bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca key->blend.rt[0].colormask |= (1 << chan); 10924c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 10934c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 1094e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1095e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 1096e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 1097e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca lp_sampler_static_state(&key->sampler[i], lp->texture[i], lp->sampler[i]); 1098635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 1099635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1100635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 11014769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul/** 11024769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * Update fragment state. This is called just prior to drawing 11034769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * something when some fragment-related state has changed. 11044769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul */ 11055811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 11065811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 11079ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 11089ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 1109e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 11109ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 1111a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca boolean opaque; 11129ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1113e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 1114e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 11159ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 11169ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 1117e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 11189ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 11199ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 11209ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 11219ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 11229ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1123e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul if (!variant) { 1124a8270c7c29b141025f606c811812304a72e42d2eBrian Paul int64_t t0, t1; 1125e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul int64_t dt; 1126a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t0 = os_time_get(); 1127e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul 11283b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = generate_variant(lp, shader, &key); 11299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1130a8270c7c29b141025f606c811812304a72e42d2eBrian Paul t1 = os_time_get(); 1131a8270c7c29b141025f606c811812304a72e42d2eBrian Paul dt = t1 - t0; 1132e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(llvm_compile_time, dt); 1133e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ 1134e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul } 11359ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 11369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->current = variant; 113785999695829823e459e11822b4846ed1db5c055dJosé Fonseca 1138a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca /* TODO: put this in the variant */ 11397df4c88088ecf34764c558b4f7fe7ef6c82327bbJosé Fonseca /* TODO: most of these can be relaxed, in particular the colormask */ 1140a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca opaque = !key.blend.logicop_enable && 1141bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca !key.blend.rt[0].blend_enable && 1142bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca key.blend.rt[0].colormask == 0xf && 1143a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !key.alpha.enabled && 1144a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !key.depth.enabled && 11454461442849bfdb817334b38567136f7f9dabdf59Brian Paul !key.scissor && 1146a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !shader->info.uses_kill 1147a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca ? TRUE : FALSE; 1148a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca 11492797f2bf57562c95a601a67edca3089641215cc4Brian Paul lp_setup_set_fs_functions(lp->setup, 11502797f2bf57562c95a601a67edca3089641215cc4Brian Paul shader->current->jit_function[0], 11512797f2bf57562c95a601a67edca3089641215cc4Brian Paul shader->current->jit_function[1], 11522797f2bf57562c95a601a67edca3089641215cc4Brian Paul opaque); 11539ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 1154