lp_state_fs.c revision bee9964b29b2428ee75e2d1efc0e1d2c2518a417
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 * 435811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * This file has only the glue to assembly 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" 65946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 66e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 679ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "util/u_debug_dump.h" 68e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "util/u_time.h" 69946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_shader_tokens.h" 70946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "draw/draw_context.h" 71946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_dump.h" 72946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_scan.h" 73946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_parse.h" 7473af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_type.h" 75f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_const.h" 76e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_conv.h" 77c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca#include "lp_bld_intr.h" 7898971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_logic.h" 79e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_depth.h" 80f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_interp.h" 8173af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_tgsi.h" 829ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "lp_bld_alpha.h" 8398971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_blend.h" 847c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca#include "lp_bld_swizzle.h" 853d7a88674f9eb3320eeff511968f041426e25023José Fonseca#include "lp_bld_flow.h" 86818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca#include "lp_bld_debug.h" 87c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca#include "lp_buffer.h" 88e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_context.h" 89e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_debug.h" 90e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_perf.h" 91e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul#include "lp_screen.h" 9285999695829823e459e11822b4846ed1db5c055dJosé Fonseca#include "lp_setup.h" 9373af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_state.h" 948be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca#include "lp_tex_sample.h" 9573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 9673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 977c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_x[4] = {0, 1, 0, 1}; 987c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_y[4] = {0, 0, 1, 1}; 997c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1007c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 101f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca/* 102f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * Derive from the quad's upper left scalar coordinates the coordinates for 103f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * all other quad pixels 1045811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 1057c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic void 106f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonsecagenerate_pos0(LLVMBuilderRef builder, 107f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x, 108f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y, 109f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *x0, 110f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *y0) 1117c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca{ 1127c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_elem_type = LLVMInt32Type(); 1137c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_vec_type = LLVMVectorType(int_elem_type, QUAD_SIZE); 1147c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef elem_type = LLVMFloatType(); 1157c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef vec_type = LLVMVectorType(elem_type, QUAD_SIZE); 1167c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x_offsets[QUAD_SIZE]; 1177c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y_offsets[QUAD_SIZE]; 1187c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca unsigned i; 1197c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1207c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = lp_build_broadcast(builder, int_vec_type, x); 1217c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = lp_build_broadcast(builder, int_vec_type, y); 1227c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1237c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca for(i = 0; i < QUAD_SIZE; ++i) { 1247c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_x[i], 0); 1257c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_y[i], 0); 1267c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca } 1277c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1287c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = LLVMBuildAdd(builder, x, LLVMConstVector(x_offsets, QUAD_SIZE), ""); 1297c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = LLVMBuildAdd(builder, y, LLVMConstVector(y_offsets, QUAD_SIZE), ""); 1307c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 131f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *x0 = LLVMBuildSIToFP(builder, x, vec_type, ""); 132f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *y0 = LLVMBuildSIToFP(builder, y, vec_type, ""); 1337c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca} 1347c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1357c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1365811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 1375811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the depth test. 1385811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 139e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 140cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonsecagenerate_depth(LLVMBuilderRef builder, 141cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca const struct lp_fragment_shader_variant_key *key, 142b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type src_type, 14398971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context *mask, 14498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef src, 14598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 146e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 147e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 148b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 149e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 150cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(!key->depth.enabled) 151e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca return; 152e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 153cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 154e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 155e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1562282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1572282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1582282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1592282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1602282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1612282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1622282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1632282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1642282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1652282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1662282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1672282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1682282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1692282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1705811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 171e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 172e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1735811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 174e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 175e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 176e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 177e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1782282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1792282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1802282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1812282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 182e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 183e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_depth_test(builder, 184cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca &key->depth, 185e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type, 186e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca format_desc, 187e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca mask, 188e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src, 189e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_ptr); 190e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 191e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 192e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 19398971802798354cdba45c421cc340ec938143e03José Fonseca/** 194ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * Generate the code to do inside/outside triangle testing for the 195ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * four pixels in a 2x2 quad. This will set the four elements of the 196ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * quad mask vector to 0 or ~0. 197ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad of the quad group to test, in [0,3] 198ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 199ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulstatic void 200ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulgenerate_tri_edge_mask(LLVMBuilderRef builder, 201ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul unsigned i, 202ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef *mask, /* ivec4, out */ 203ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, /* int32 */ 204ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, /* int32 */ 205ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, /* int32 */ 206ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, /* ivec4 */ 207ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, /* ivec4 */ 208ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) /* ivec4 */ 209ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul{ 2104061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#define OPTIMIZE_IN_OUT_TEST 0 2114061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#if OPTIMIZE_IN_OUT_TEST 212f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul struct lp_build_if_state ifctx; 2134061ca02dd837950201a9ada462f944ae25deeb5Brian Paul LLVMValueRef not_draw_all; 2144061ca02dd837950201a9ada462f944ae25deeb5Brian Paul#endif 2154061ca02dd837950201a9ada462f944ae25deeb5Brian Paul struct lp_build_flow_context *flow; 216ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul struct lp_type i32_type; 217f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMTypeRef i32vec4_type, mask_type; 218ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0_vec, c1_vec, c2_vec; 219f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef in_out_mask; 220ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 221ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 222ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 223ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* int32 vector type */ 224ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul memset(&i32_type, 0, sizeof i32_type); 225ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.floating = FALSE; /* values are integers */ 226ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.sign = TRUE; /* values are signed */ 227ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.norm = FALSE; /* values are not normalized */ 228ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.width = 32; /* 32-bit int values */ 229ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.length = 4; /* 4 elements per vector */ 230ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 231ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32vec4_type = lp_build_int32_vec4_type(); 232ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 233f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul mask_type = LLVMIntType(32 * 4); 234f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 235f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 236f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Use a conditional here to do detailed pixel in/out testing. 2379a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * We only have to do this if c0 != INT_MIN. 238f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 239f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul flow = lp_build_flow_create(builder); 240f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_begin(flow); 241ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 24246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul { 243f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 2449a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* not_draw_all = (c0 != INT_MIN) */ 245f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul not_draw_all = LLVMBuildICmp(builder, 24646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMIntNE, 24746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0, 24846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul LLVMConstInt(LLVMInt32Type(), INT_MIN, 0), 249f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul ""); 250ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 25146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul in_out_mask = lp_build_int_const_scalar(i32_type, ~0); 25246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 25346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 254f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_declare(flow, &in_out_mask); 255ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 2569a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* if (not_draw_all) {... */ 257f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_if(&ifctx, flow, builder, not_draw_all); 258f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 259f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul { 260f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef step0_vec, step1_vec, step2_vec; 261f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef m0_vec, m1_vec, m2_vec; 262f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef index, m; 263f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 26446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul /* c0_vec = {c0, c0, c0, c0} 26546b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * Note that we emit this code four times but LLVM optimizes away 26646b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul * three instances of it. 26746b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul */ 26846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c0_vec = lp_build_broadcast(builder, i32vec4_type, c0); 26946b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c1_vec = lp_build_broadcast(builder, i32vec4_type, c1); 27046b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul c2_vec = lp_build_broadcast(builder, i32vec4_type, c2); 27146b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c0_vec, "edgeconst0vec"); 27246b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c1_vec, "edgeconst1vec"); 27346b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul lp_build_name(c2_vec, "edgeconst2vec"); 27446b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul 2759a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* load step0vec, step1, step2 vec from memory */ 276f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul index = LLVMConstInt(LLVMInt32Type(), i, 0); 277f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step0_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step0_ptr, &index, 1, ""), ""); 278f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step1_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step1_ptr, &index, 1, ""), ""); 279f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step2_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step2_ptr, &index, 1, ""), ""); 280f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step0_vec, "step0vec"); 281f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step1_vec, "step1vec"); 282f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step2_vec, "step2vec"); 283f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2849a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* m0_vec = step0_ptr[i] > c0_vec */ 285f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m0_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step0_vec, c0_vec); 286f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m1_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step1_vec, c1_vec); 287f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m2_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step2_vec, c2_vec); 288f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2899a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* in_out_mask = m0_vec & m1_vec & m2_vec */ 290f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m = LLVMBuildAnd(builder, m0_vec, m1_vec, ""); 291f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul in_out_mask = LLVMBuildAnd(builder, m, m2_vec, ""); 292f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(in_out_mask, "inoutmaskvec"); 293f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul } 294f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 295f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_endif(&ifctx); 296f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 2975771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 29846b5bd6cadd13f47c10aafe9194c90234db91a2aBrian Paul } 299f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_end(flow); 300f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_destroy(flow); 3015771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 3029a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul /* This is the initial alive/dead pixel mask for a quad of four pixels. 3039a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * It's an int[4] vector with each word set to 0 or ~0. 3049a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul * Words will get cleared when pixels faile the Z test, etc. 3059a10d14a441ca76c5c9ea8986a2eb4b5923a9b9fBrian Paul */ 306f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul *mask = in_out_mask; 307ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul} 308ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 309ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 3104461442849bfdb817334b38567136f7f9dabdf59Brian Paulstatic LLVMValueRef 3114461442849bfdb817334b38567136f7f9dabdf59Brian Paulgenerate_scissor_test(LLVMBuilderRef builder, 3124461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef context_ptr, 3134461442849bfdb817334b38567136f7f9dabdf59Brian Paul const struct lp_build_interp_soa_context *interp, 3144461442849bfdb817334b38567136f7f9dabdf59Brian Paul struct lp_type type) 3154461442849bfdb817334b38567136f7f9dabdf59Brian Paul{ 3164461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMTypeRef vec_type = lp_build_vec_type(type); 3174461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xpos = interp->pos[0], ypos = interp->pos[1]; 3184461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef xmin, ymin, xmax, ymax; 3194461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef m0, m1, m2, m3, m; 3204461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3214461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* xpos, ypos contain the window coords for the four pixels in the quad */ 3224461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(xpos); 3234461442849bfdb817334b38567136f7f9dabdf59Brian Paul assert(ypos); 3244461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3254461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* get the current scissor bounds, convert to vectors */ 3264461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_jit_context_scissor_xmin_value(builder, context_ptr); 3274461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmin = lp_build_broadcast(builder, vec_type, xmin); 3284461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3294461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_jit_context_scissor_ymin_value(builder, context_ptr); 3304461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymin = lp_build_broadcast(builder, vec_type, ymin); 3314461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3324461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_jit_context_scissor_xmax_value(builder, context_ptr); 3334461442849bfdb817334b38567136f7f9dabdf59Brian Paul xmax = lp_build_broadcast(builder, vec_type, xmax); 3344461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3354461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_jit_context_scissor_ymax_value(builder, context_ptr); 3364461442849bfdb817334b38567136f7f9dabdf59Brian Paul ymax = lp_build_broadcast(builder, vec_type, ymax); 3374461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3384461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* compare the fragment's position coordinates against the scissor bounds */ 3394461442849bfdb817334b38567136f7f9dabdf59Brian Paul m0 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, xpos, xmin); 3404461442849bfdb817334b38567136f7f9dabdf59Brian Paul m1 = lp_build_compare(builder, type, PIPE_FUNC_GEQUAL, ypos, ymin); 3414461442849bfdb817334b38567136f7f9dabdf59Brian Paul m2 = lp_build_compare(builder, type, PIPE_FUNC_LESS, xpos, xmax); 3424461442849bfdb817334b38567136f7f9dabdf59Brian Paul m3 = lp_build_compare(builder, type, PIPE_FUNC_LESS, ypos, ymax); 3434461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3444461442849bfdb817334b38567136f7f9dabdf59Brian Paul /* AND all the masks together */ 3454461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m0, m1, ""); 3464461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m2, ""); 3474461442849bfdb817334b38567136f7f9dabdf59Brian Paul m = LLVMBuildAnd(builder, m, m3, ""); 3484461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3494461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_name(m, "scissormask"); 3504461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3514461442849bfdb817334b38567136f7f9dabdf59Brian Paul return m; 3524461442849bfdb817334b38567136f7f9dabdf59Brian Paul} 3534461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3544461442849bfdb817334b38567136f7f9dabdf59Brian Paul 3552797f2bf57562c95a601a67edca3089641215cc4Brian Paulstatic LLVMValueRef 3562797f2bf57562c95a601a67edca3089641215cc4Brian Paulbuild_int32_vec_const(int value) 3572797f2bf57562c95a601a67edca3089641215cc4Brian Paul{ 3582797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_type i32_type; 3592797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3602797f2bf57562c95a601a67edca3089641215cc4Brian Paul memset(&i32_type, 0, sizeof i32_type); 3612797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.floating = FALSE; /* values are integers */ 3622797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.sign = TRUE; /* values are signed */ 3632797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.norm = FALSE; /* values are not normalized */ 3642797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.width = 32; /* 32-bit int values */ 3652797f2bf57562c95a601a67edca3089641215cc4Brian Paul i32_type.length = 4; /* 4 elements per vector */ 3662797f2bf57562c95a601a67edca3089641215cc4Brian Paul return lp_build_int_const_scalar(i32_type, value); 3672797f2bf57562c95a601a67edca3089641215cc4Brian Paul} 3682797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3692797f2bf57562c95a601a67edca3089641215cc4Brian Paul 3702797f2bf57562c95a601a67edca3089641215cc4Brian Paul 371ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 3725811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 373ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 3742797f2bf57562c95a601a67edca3089641215cc4Brian Paul * \param do_tri_test if 1, do triangle edge in/out testing 37598971802798354cdba45c421cc340ec938143e03José Fonseca */ 37698971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 37798971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 37898971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 37998971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 38098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 381b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 382635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 38398971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 384f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 3858be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 38698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 387c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 388ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 3892797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test, 390ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, 391ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, 392ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, 393ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, 394ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, 395ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) 39673af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 39773af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 39873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef elem_type; 39973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 4007821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMTypeRef int_vec_type; 401635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 40298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 403f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 4048e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 40598971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 40698971802798354cdba45c421cc340ec938143e03José Fonseca boolean early_depth_test; 40798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 40898971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 409c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 41098971802798354cdba45c421cc340ec938143e03José Fonseca 411ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 412ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 41398971802798354cdba45c421cc340ec938143e03José Fonseca elem_type = lp_build_elem_type(type); 41498971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 41598971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 41698971802798354cdba45c421cc340ec938143e03José Fonseca 417635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 418635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 4198e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 4208e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4218e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 4228e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4238e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 4248e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 4258e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 426c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 427c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 428c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 429c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 430c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 4318e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 4326a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 4338e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 434ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 4352797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (do_tri_test) { 4362797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_tri_edge_mask(builder, i, pmask, 4372797f2bf57562c95a601a67edca3089641215cc4Brian Paul c0, c1, c2, step0_ptr, step1_ptr, step2_ptr); 4382797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 4392797f2bf57562c95a601a67edca3089641215cc4Brian Paul else { 4402797f2bf57562c95a601a67edca3089641215cc4Brian Paul *pmask = build_int32_vec_const(~0); 4412797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 442ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 4435771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 4448e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 44598971802798354cdba45c421cc340ec938143e03José Fonseca 4464461442849bfdb817334b38567136f7f9dabdf59Brian Paul if (key->scissor) { 4474461442849bfdb817334b38567136f7f9dabdf59Brian Paul LLVMValueRef smask = 4484461442849bfdb817334b38567136f7f9dabdf59Brian Paul generate_scissor_test(builder, context_ptr, interp, type); 4494461442849bfdb817334b38567136f7f9dabdf59Brian Paul lp_build_mask_update(&mask, smask); 4504461442849bfdb817334b38567136f7f9dabdf59Brian Paul } 451ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 45298971802798354cdba45c421cc340ec938143e03José Fonseca early_depth_test = 453cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->depth.enabled && 454cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 455cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 456cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 45798971802798354cdba45c421cc340ec938143e03José Fonseca 45898971802798354cdba45c421cc340ec938143e03José Fonseca if(early_depth_test) 459cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca generate_depth(builder, key, 460f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca type, &mask, 461f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z, depth_ptr); 46298971802798354cdba45c421cc340ec938143e03José Fonseca 46398971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 464f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 4658be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca outputs, sampler); 46698971802798354cdba45c421cc340ec938143e03José Fonseca 46798971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 46898971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 46998971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 47098971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "output%u.%u.%c", i, attrib, "xyzw"[chan]); 47198971802798354cdba45c421cc340ec938143e03José Fonseca 47298971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 47398971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 47498971802798354cdba45c421cc340ec938143e03José Fonseca { 47598971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 47698971802798354cdba45c421cc340ec938143e03José Fonseca 47798971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "color%u.%u.%c", i, attrib, "rgba"[chan]); 47898971802798354cdba45c421cc340ec938143e03José Fonseca 47998971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 48098971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 481c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 482635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 483635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha = outputs[attrib][chan]; 484635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 485635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 486635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 48798971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 488635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 489635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 49098971802798354cdba45c421cc340ec938143e03José Fonseca 491c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = outputs[attrib][chan]; 49298971802798354cdba45c421cc340ec938143e03José Fonseca break; 49398971802798354cdba45c421cc340ec938143e03José Fonseca } 49498971802798354cdba45c421cc340ec938143e03José Fonseca 49598971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 49698971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 497f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z = outputs[attrib][chan]; 49898971802798354cdba45c421cc340ec938143e03José Fonseca break; 49998971802798354cdba45c421cc340ec938143e03José Fonseca } 50098971802798354cdba45c421cc340ec938143e03José Fonseca } 50198971802798354cdba45c421cc340ec938143e03José Fonseca } 50298971802798354cdba45c421cc340ec938143e03José Fonseca } 50398971802798354cdba45c421cc340ec938143e03José Fonseca 5046a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca if(!early_depth_test) 5056a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca generate_depth(builder, key, 5066a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca type, &mask, 5076a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca z, depth_ptr); 5086a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5096a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 5106a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5116a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 5126a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 5138e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 51498971802798354cdba45c421cc340ec938143e03José Fonseca 51598971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 51698971802798354cdba45c421cc340ec938143e03José Fonseca 51798971802798354cdba45c421cc340ec938143e03José Fonseca} 51898971802798354cdba45c421cc340ec938143e03José Fonseca 51998971802798354cdba45c421cc340ec938143e03José Fonseca 52098971802798354cdba45c421cc340ec938143e03José Fonseca/** 5215811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 52298971802798354cdba45c421cc340ec938143e03José Fonseca */ 52398971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 52498971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 52598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 526b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 527635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 52898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 52998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 53098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 53198971802798354cdba45c421cc340ec938143e03José Fonseca{ 53298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 533c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 534c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 53598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 53698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef int_vec_type; 537635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 53898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 53998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 54098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 54198971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 54298971802798354cdba45c421cc340ec938143e03José Fonseca 543c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 544c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 545c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 546f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 547f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 548c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 549c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 55098971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 55198971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 55298971802798354cdba45c421cc340ec938143e03José Fonseca 553635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 554635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 555635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 556635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 55798971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 55898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 559635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 56098971802798354cdba45c421cc340ec938143e03José Fonseca 56198971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 56298971802798354cdba45c421cc340ec938143e03José Fonseca 56398971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 56498971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 56598971802798354cdba45c421cc340ec938143e03José Fonseca } 56698971802798354cdba45c421cc340ec938143e03José Fonseca 56798971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_blend_soa(builder, blend, type, src, dst, con, res); 56898971802798354cdba45c421cc340ec938143e03José Fonseca 56998971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 57004cb5dfb1e0968300204980b08748a140e5e7918Roland Scheidegger if(blend->rt[0].colormask & (1 << chan)) { 5714c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 5724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 5734c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 5744c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 5754c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 57698971802798354cdba45c421cc340ec938143e03José Fonseca } 577c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 578c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 579c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 58098971802798354cdba45c421cc340ec938143e03José Fonseca} 58198971802798354cdba45c421cc340ec938143e03José Fonseca 58298971802798354cdba45c421cc340ec938143e03José Fonseca 5835811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 5845811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 585866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 586866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 587866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 5885811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5893b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic void 59098971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 59198971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 5922797f2bf57562c95a601a67edca3089641215cc4Brian Paul struct lp_fragment_shader_variant *variant, 5932797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned do_tri_test) 59498971802798354cdba45c421cc340ec938143e03José Fonseca{ 59598971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 5963b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key = &variant->key; 597b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 598b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 59998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 60098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_vec_type; 60198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 60298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 60398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_int_vec_type; 604ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef arg_types[14]; 60573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 606ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef int32_vec4_type = lp_build_int32_vec4_type(); 607c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 6087c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 6097c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 61073af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 61173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 61273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 613c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 61439352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 615ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, c1, c2, step0_ptr, step1_ptr, step2_ptr; 61673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 61773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 618f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x0; 619f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y0; 6208be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 621f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 62298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 623c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 62498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 62598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_in_color[NUM_CHANNELS]; 6263b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMValueRef function; 62798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 62839352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 62939352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 630c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 63173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 6345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 6355811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 636b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 63798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 63898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 63998971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 64098971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 641866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 642866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 64373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 644b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 64598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 64698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 64798971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 64898971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 64998971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 65098971802798354cdba45c421cc340ec938143e03José Fonseca 6515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 65308dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 6545811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6555811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 65698971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 65798971802798354cdba45c421cc340ec938143e03José Fonseca fs_vec_type = lp_build_vec_type(fs_type); 65898971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 65998971802798354cdba45c421cc340ec938143e03José Fonseca 66098971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 66198971802798354cdba45c421cc340ec938143e03José Fonseca blend_int_vec_type = lp_build_int_vec_type(blend_type); 66273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 663c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 664c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 665c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 666c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[3] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 667c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 668c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dady */ 669c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell arg_types[6] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 670ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[7] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 671ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[8] = LLVMInt32Type(); /* c0 */ 6729a23d810be02edf740ce58196435cd6cdfd903c9Brian Paul arg_types[9] = LLVMInt32Type(); /* c1 */ 673ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[10] = LLVMInt32Type(); /* c2 */ 674ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* Note: the step arrays are built as int32[16] but we interpret 675ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * them here as int32_vec4[4]. 676ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 677ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[11] = LLVMPointerType(int32_vec4_type, 0);/* step0 */ 678ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[12] = LLVMPointerType(int32_vec4_type, 0);/* step1 */ 679ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[13] = LLVMPointerType(int32_vec4_type, 0);/* step2 */ 68073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 68173af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 68273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6833b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul function = LLVMAddFunction(screen->module, "shader", func_type); 6843b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMSetFunctionCallConv(function, LLVMCCallConv); 6853b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 6862797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[do_tri_test] = function; 6873b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 688c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 689c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 690c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 691c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 692a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 6937c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 6943b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMAddAttribute(LLVMGetParam(function, i), LLVMNoAliasAttribute); 6953b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 6963b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul context_ptr = LLVMGetParam(function, 0); 6973b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul x = LLVMGetParam(function, 1); 6983b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul y = LLVMGetParam(function, 2); 6993b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul a0_ptr = LLVMGetParam(function, 3); 7003b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul dadx_ptr = LLVMGetParam(function, 4); 7013b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul dady_ptr = LLVMGetParam(function, 5); 7023b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul color_ptr_ptr = LLVMGetParam(function, 6); 7033b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul depth_ptr = LLVMGetParam(function, 7); 7043b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c0 = LLVMGetParam(function, 8); 7053b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c1 = LLVMGetParam(function, 9); 7063b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul c2 = LLVMGetParam(function, 10); 7073b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step0_ptr = LLVMGetParam(function, 11); 7083b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step1_ptr = LLVMGetParam(function, 12); 7093b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul step2_ptr = LLVMGetParam(function, 13); 7107c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 711c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 7127c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 7137c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 7145999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 7155999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 7165999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 717c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr_ptr, "color_ptr"); 71839352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 719ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c0, "c0"); 720ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c1, "c1"); 721ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c2, "c2"); 722ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step0_ptr, "step0"); 723ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step1_ptr, "step1"); 724ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step2_ptr, "step2"); 72573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7265811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 7275811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 7285811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 7295811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 7303b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul block = LLVMAppendBasicBlock(function, "entry"); 73173af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 73273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 73373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 734f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca generate_pos0(builder, x, y, &x0, &y0); 735f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 73686f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell lp_build_interp_soa_init(&interp, 73786f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell shader->base.tokens, 73886f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade, 73986f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell builder, fs_type, 740f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 741866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul x0, y0); 742f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 743e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 744e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 745c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 746866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 74798971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 74898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 749c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 75098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 751c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell int cbuf; 75298971802798354cdba45c421cc340ec938143e03José Fonseca 753f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 754866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 75598971802798354cdba45c421cc340ec938143e03José Fonseca 75698971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 75798971802798354cdba45c421cc340ec938143e03José Fonseca 758635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 75998971802798354cdba45c421cc340ec938143e03José Fonseca builder, 76098971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 761635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 76298971802798354cdba45c421cc340ec938143e03José Fonseca i, 763f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 7648be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 765ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 76698971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 767ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 7682797f2bf57562c95a601a67edca3089641215cc4Brian Paul do_tri_test, 769ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0, c1, c2, 770ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul step0_ptr, step1_ptr, step2_ptr); 77198971802798354cdba45c421cc340ec938143e03José Fonseca 772c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 773c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 774c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 77598971802798354cdba45c421cc340ec938143e03José Fonseca } 77639352b34438affc36ce22852bb55359d304a522cJosé Fonseca 7778be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 7788be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 779c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 7805811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 781c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 782c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 783c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 7845811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 785c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 786c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 787c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 788c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 789c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 790c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 791c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 792c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 793c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 794635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 795c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 796c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_mask, num_fs, 797c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_mask, 1); 798c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 799c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 800c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 801c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 802c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 803c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 804c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 805c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 806c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 807c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 808c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 809c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 810c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 811c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 812c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 813c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 81473af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 81573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 8165811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 81773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 81873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 819946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 8205811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 821f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 8224ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 8233b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul if(LLVMVerifyFunction(function, LLVMPrintMessageAction)) { 824f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8253b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMDumpValue(function); 826f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 827a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 8284ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 829a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 830f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 831f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 8323b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMRunFunctionPassManager(screen->pass, function); 83373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 834dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if (LP_DEBUG & DEBUG_JIT) { 835f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 8363b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul LLVMDumpValue(function); 837dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("\n"); 838dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell } 83973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 840f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 841f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 842f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 8432797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->jit_function[do_tri_test] = (lp_jit_frag_func)LLVMGetPointerToGlobal(screen->engine, function); 84473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 845dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if (LP_DEBUG & DEBUG_ASM) 8462797f2bf57562c95a601a67edca3089641215cc4Brian Paul lp_disassemble(variant->jit_function[do_tri_test]); 8473b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul} 8483b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8493b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8503b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulstatic struct lp_fragment_shader_variant * 8513b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paulgenerate_variant(struct llvmpipe_context *lp, 8523b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader *shader, 8533b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul const struct lp_fragment_shader_variant_key *key) 8543b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul{ 8553b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul struct lp_fragment_shader_variant *variant; 8563b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8573b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if (LP_DEBUG & DEBUG_JIT) { 8583b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul unsigned i; 8593b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 8603b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul tgsi_dump(shader->base.tokens, 0); 8613b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->depth.enabled) { 8623b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.format = %s\n", pf_name(key->zsbuf_format)); 8633b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.func = %s\n", debug_dump_func(key->depth.func, TRUE)); 8643b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("depth.writemask = %u\n", key->depth.writemask); 8653b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8663b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->alpha.enabled) { 8673b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha.func = %s\n", debug_dump_func(key->alpha.func, TRUE)); 8683b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 8693b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 8703b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->blend.logicop_enable) { 8713b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("blend.logicop_func = %u\n", key->blend.logicop_func); 8723b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 873bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca else if(key->blend.rt[0].blend_enable) { 874bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("blend.rgb_func = %s\n", debug_dump_blend_func (key->blend.rt[0].rgb_func, TRUE)); 875bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("rgb_src_factor = %s\n", debug_dump_blend_factor(key->blend.rt[0].rgb_src_factor, TRUE)); 876bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("rgb_dst_factor = %s\n", debug_dump_blend_factor(key->blend.rt[0].rgb_dst_factor, TRUE)); 877bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("alpha_func = %s\n", debug_dump_blend_func (key->blend.rt[0].alpha_func, TRUE)); 878bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("alpha_src_factor = %s\n", debug_dump_blend_factor(key->blend.rt[0].alpha_src_factor, TRUE)); 879bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("alpha_dst_factor = %s\n", debug_dump_blend_factor(key->blend.rt[0].alpha_dst_factor, TRUE)); 8803b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 881bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca debug_printf("blend.colormask = 0x%x\n", key->blend.rt[0].colormask); 8823b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 8833b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].format) { 8843b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf("sampler[%u] = \n", i); 8853b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .format = %s\n", 8863b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul pf_name(key->sampler[i].format)); 8873b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .target = %s\n", 8883b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_target(key->sampler[i].target, TRUE)); 8893b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .pot = %u %u %u\n", 8903b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_width, 8913b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_height, 8923b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul key->sampler[i].pot_depth); 8933b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .wrap = %s %s %s\n", 8943b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 8953b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 8963b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 8973b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_img_filter = %s\n", 8983b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 8993b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .min_mip_filter = %s\n", 9003b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 9013b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .mag_img_filter = %s\n", 9023b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 9033b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 9043b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .compare_func = %s\n", debug_dump_func(key->sampler[i].compare_func, TRUE)); 9053b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 9063b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul debug_printf(" .prefilter = %u\n", key->sampler[i].prefilter); 9073b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9083b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9093b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul } 9103b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9113b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = CALLOC_STRUCT(lp_fragment_shader_variant); 9123b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul if(!variant) 9133b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul return NULL; 9143b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9153b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant->shader = shader; 9163b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul memcpy(&variant->key, key, sizeof *key); 9173b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul 9182797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 0); 9192797f2bf57562c95a601a67edca3089641215cc4Brian Paul generate_fragment(lp, shader, variant, 1); 9209ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9213b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul /* insert new variant into linked list */ 9223b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul variant->next = shader->variants; 9233b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul shader->variants = variant; 9243b1920a34903dfb753bc2a0461fef204d39846c6Brian Paul 9259ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 9269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 9279ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9289ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecavoid * 9309ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 9319ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 9329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 9339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 9349ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9359ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 9369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 9379ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 9389ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 9409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 9419ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9429ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 9439ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 9449ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 94573af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 946946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 947946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 948946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 949946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 950946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 951946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 952946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 953946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 954080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 955080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 956080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 957080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 958080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 959080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 960946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 961c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 962946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 963946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 964946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 965946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 966946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 967946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 968e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 969e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 97073af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 9719ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 972946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 973e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 97431d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 9759ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9769ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 9779ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 9789ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 9792797f2bf57562c95a601a67edca3089641215cc4Brian Paul unsigned i; 9809ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9812797f2bf57562c95a601a67edca3089641215cc4Brian Paul for (i = 0; i < Elements(variant->function); i++) { 9822797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->function[i]) { 9832797f2bf57562c95a601a67edca3089641215cc4Brian Paul if (variant->jit_function[i]) 9842797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMFreeMachineCodeForFunction(screen->engine, 9852797f2bf57562c95a601a67edca3089641215cc4Brian Paul variant->function[i]); 9862797f2bf57562c95a601a67edca3089641215cc4Brian Paul LLVMDeleteFunction(variant->function[i]); 9872797f2bf57562c95a601a67edca3089641215cc4Brian Paul } 9889ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 9899ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9909ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 9919ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 99373af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 99473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 99573af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 99673af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 997946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 998946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 999946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1000946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1001946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 1002946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 1003946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 100470c8d2a29724d018bacc4a68ddc61db08faea00dRoland Scheidegger struct pipe_buffer *constants) 1005946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 1006946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 10071278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger unsigned size = constants ? constants->size : 0; 10081278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger const void *data = constants ? llvmpipe_buffer(constants)->data : NULL; 1009946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1010946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 1011946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 1012946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1013ba5d600c90f7075cf2c33a0c5c679ef822e8746eJosé Fonseca if(llvmpipe->constants[shader] == constants) 1014d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 1015d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 1016080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 1017c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 1018946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 10191278507e3bf2e83c7027820a0d313de267a440ffRoland Scheidegger pipe_buffer_reference(&llvmpipe->constants[shader], constants); 1020c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 1021c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 10229851644435f991a1a1bbb145333a97601627b37dMichal Krol draw_set_mapped_constant_buffer(llvmpipe->draw, PIPE_SHADER_VERTEX, 0, 102389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin data, size); 1024c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca } 1025946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 1026c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 1027946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 10289ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1030635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 1031635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 1032635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 1033635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 1034635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 1035635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 1036635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 1037635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 1038635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 1039e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 1040635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 1041635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 1042e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 1043e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1044635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 1045635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1046cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(lp->framebuffer.zsbuf && 1047cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca lp->depth_stencil->depth.enabled) { 1048cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->zsbuf_format = lp->framebuffer.zsbuf->format; 1049cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 1050cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 1051635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1052635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 1053635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 1054635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 1055635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 1056635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 105786f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell key->flatshade = lp->rasterizer->flatshade; 10584461442849bfdb817334b38567136f7f9dabdf59Brian Paul key->scissor = lp->rasterizer->scissor; 105986f450060debebd66dd5fb72f83800d7634efeaaKeith Whitwell 1060c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 1061c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell memcpy(&key->blend, lp->blend, sizeof key->blend); 1062c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 1063c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1064c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 1065c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 10664c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 10674c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 10684c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1069c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell format_desc = util_format_description(lp->framebuffer.cbufs[i]->format); 10704c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca assert(format_desc->layout == UTIL_FORMAT_COLORSPACE_RGB || 10714c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc->layout == UTIL_FORMAT_COLORSPACE_SRGB); 10724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 1073c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* mask out color channels not present in the color buffer. 1074c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Should be simple to incorporate per-cbuf writemasks: 1075c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 10764c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 10774c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 1078c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 1079c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if(swizzle <= UTIL_FORMAT_SWIZZLE_W) 1080bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca key->blend.rt[0].colormask |= (1 << chan); 10814c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 10824c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 1083e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 1084e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 1085e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 1086e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca lp_sampler_static_state(&key->sampler[i], lp->texture[i], lp->sampler[i]); 1087635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 1088635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 1089635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 10904769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul/** 10914769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * Update fragment state. This is called just prior to drawing 10924769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul * something when some fragment-related state has changed. 10934769328fe1ddaa1882dddbaad21239d5fdcddf19Brian Paul */ 10945811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 10955811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 10969ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 10979ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 1098e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 10999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 1100a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca boolean opaque; 11019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1102e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 1103e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 11049ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 11059ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 1106e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 11079ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 11089ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 11099ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 11109ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 11119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1112e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul if (!variant) { 1113e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul struct util_time t0, t1; 1114e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul int64_t dt; 1115e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul util_time_get(&t0); 1116e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul 11173b5d84926847cf2008da4e2dc146090d0c1b5402Brian Paul variant = generate_variant(lp, shader, &key); 11189ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 1119e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul util_time_get(&t1); 1120e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul dt = util_time_diff(&t0, &t1); 1121e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(llvm_compile_time, dt); 1122e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ 1123e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul } 1124e95ad2a2b521514eaec04f9b266ee030ecc639a3Brian Paul 11259ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->current = variant; 112685999695829823e459e11822b4846ed1db5c055dJosé Fonseca 1127a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca /* TODO: put this in the variant */ 11287df4c88088ecf34764c558b4f7fe7ef6c82327bbJosé Fonseca /* TODO: most of these can be relaxed, in particular the colormask */ 1129a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca opaque = !key.blend.logicop_enable && 1130bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca !key.blend.rt[0].blend_enable && 1131bee9964b29b2428ee75e2d1efc0e1d2c2518a417José Fonseca key.blend.rt[0].colormask == 0xf && 1132a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !key.alpha.enabled && 1133a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !key.depth.enabled && 11344461442849bfdb817334b38567136f7f9dabdf59Brian Paul !key.scissor && 1135a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca !shader->info.uses_kill 1136a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca ? TRUE : FALSE; 1137a1acbff299c444913418e65da473745cd901a2dbJosé Fonseca 11382797f2bf57562c95a601a67edca3089641215cc4Brian Paul lp_setup_set_fs_functions(lp->setup, 11392797f2bf57562c95a601a67edca3089641215cc4Brian Paul shader->current->jit_function[0], 11402797f2bf57562c95a601a67edca3089641215cc4Brian Paul shader->current->jit_function[1], 11412797f2bf57562c95a601a67edca3089641215cc4Brian Paul opaque); 11429ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 1143