lp_state_fs.c revision c4d54b62f5491dbec9930563209639f8fb7dcf2e
1946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca/************************************************************************** 2946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 373af91e938eb27b001404f11195fb06ff9b08903José Fonseca * Copyright 2009 VMware, Inc. 4946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 5946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * All Rights Reserved. 6946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 7946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * Permission is hereby granted, free of charge, to any person obtaining a 8946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * copy of this software and associated documentation files (the 9946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * "Software"), to deal in the Software without restriction, including 10946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * without limitation the rights to use, copy, modify, merge, publish, 11946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * distribute, sub license, and/or sell copies of the Software, and to 12946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * permit persons to whom the Software is furnished to do so, subject to 13946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * the following conditions: 14946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 15946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * The above copyright notice and this permission notice (including the 16946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * next paragraph) shall be included in all copies or substantial portions 17946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * of the Software. 18946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 19946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca * 27946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca **************************************************************************/ 28946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 295811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @file 315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Code generate the whole fragment pipeline. 325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * The fragment pipeline consists of the following stages: 345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - stipple (TBI) 355811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - early depth test 365811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - fragment shader 375811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - alpha test 385811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - depth/stencil test (stencil TBI) 395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * - blending 405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 415811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * This file has only the glue to assembly the fragment pipeline. The actual 425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * plumbing of converting Gallium state into LLVM IR is done elsewhere, in the 435811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * lp_bld_*.[ch] files, and in a complete generic and reusable way. Here we 445811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * muster the LLVM JIT execution engine to create a function that follows an 455811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * established binary interface and that can be called from C directly. 465811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 475811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * A big source of complexity here is that we often want to run different 485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * stages with different precisions and data types and precisions. For example, 495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * the fragment shader needs typically to be done in floats, but the 505811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * depth/stencil test and blending is better done in the type that most closely 515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * matches the depth/stencil and color buffer respectively. 525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Since the width of a SIMD vector register stays the same regardless of the 545811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * element type, different types imply different number of elements, so we must 555811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * code generate more instances of the stages with larger types to be able to 565811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * feed/consume the stages with smaller types. 575811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * 585811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * @author Jose Fonseca <jfonseca@vmware.com> 595811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 605811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 61946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_defines.h" 62946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 63e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 649ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "util/u_debug_dump.h" 65946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/internal/p_winsys_screen.h" 66946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_shader_tokens.h" 67946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "draw/draw_context.h" 68946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_dump.h" 69946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_scan.h" 70946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_parse.h" 7173af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_type.h" 72f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_const.h" 73e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_conv.h" 74c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca#include "lp_bld_intr.h" 7598971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_logic.h" 76e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_depth.h" 77f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_interp.h" 7873af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_tgsi.h" 799ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "lp_bld_alpha.h" 8098971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_blend.h" 817c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca#include "lp_bld_swizzle.h" 823d7a88674f9eb3320eeff511968f041426e25023José Fonseca#include "lp_bld_flow.h" 83818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca#include "lp_bld_debug.h" 8473af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_screen.h" 8573af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_context.h" 86c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca#include "lp_buffer.h" 8773af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_state.h" 888be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca#include "lp_tex_sample.h" 8973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 9073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 917c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_x[4] = {0, 1, 0, 1}; 927c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_y[4] = {0, 0, 1, 1}; 937c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 947c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 95f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca/* 96f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * Derive from the quad's upper left scalar coordinates the coordinates for 97f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * all other quad pixels 985811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 997c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic void 100f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonsecagenerate_pos0(LLVMBuilderRef builder, 101f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x, 102f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y, 103f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *x0, 104f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *y0) 1057c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca{ 1067c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_elem_type = LLVMInt32Type(); 1077c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_vec_type = LLVMVectorType(int_elem_type, QUAD_SIZE); 1087c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef elem_type = LLVMFloatType(); 1097c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef vec_type = LLVMVectorType(elem_type, QUAD_SIZE); 1107c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x_offsets[QUAD_SIZE]; 1117c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y_offsets[QUAD_SIZE]; 1127c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca unsigned i; 1137c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1147c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = lp_build_broadcast(builder, int_vec_type, x); 1157c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = lp_build_broadcast(builder, int_vec_type, y); 1167c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1177c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca for(i = 0; i < QUAD_SIZE; ++i) { 1187c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_x[i], 0); 1197c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_y[i], 0); 1207c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca } 1217c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1227c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = LLVMBuildAdd(builder, x, LLVMConstVector(x_offsets, QUAD_SIZE), ""); 1237c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = LLVMBuildAdd(builder, y, LLVMConstVector(y_offsets, QUAD_SIZE), ""); 1247c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 125f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *x0 = LLVMBuildSIToFP(builder, x, vec_type, ""); 126f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *y0 = LLVMBuildSIToFP(builder, y, vec_type, ""); 1277c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca} 1287c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1297c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 1315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the depth test. 1325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 133e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 134cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonsecagenerate_depth(LLVMBuilderRef builder, 135cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca const struct lp_fragment_shader_variant_key *key, 136b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type src_type, 13798971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context *mask, 13898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef src, 13998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 140e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 141e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 142b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 143e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 144cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(!key->depth.enabled) 145e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca return; 146e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 147cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 148e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 149e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1505811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 151e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 152e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 154e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 155e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 156e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 157e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#if 1 158e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src = lp_build_clamped_float_to_unsigned_norm(builder, 159e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src_type, 160e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type.width, 161e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src); 162e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#else 163e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 164e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#endif 165e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 166e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_depth_test(builder, 167cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca &key->depth, 168e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type, 169e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca format_desc, 170e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca mask, 171e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src, 172e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_ptr); 173e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 174e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 175e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 17698971802798354cdba45c421cc340ec938143e03José Fonseca/** 1775811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 17898971802798354cdba45c421cc340ec938143e03José Fonseca */ 17998971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 18098971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 18198971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 18298971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 18398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 184b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 185635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 18698971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 187f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 1888be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 18998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 19098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *color, 191635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef depth_ptr) 19273af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 19373af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 19473af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef elem_type; 19573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 1967821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMTypeRef int_vec_type; 197635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 19898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 199f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 2008e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 20198971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 20298971802798354cdba45c421cc340ec938143e03José Fonseca boolean early_depth_test; 20398971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 20498971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 20598971802798354cdba45c421cc340ec938143e03José Fonseca 20698971802798354cdba45c421cc340ec938143e03José Fonseca elem_type = lp_build_elem_type(type); 20798971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 20898971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 20998971802798354cdba45c421cc340ec938143e03José Fonseca 210635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 211635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 2128e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 2138e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2148e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 2158e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2168e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 2178e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2188e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 2196a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 2206a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca color[chan] = LLVMGetUndef(vec_type); 2216a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &color[chan]); 2228e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 2236a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 2248e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 2258e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 22698971802798354cdba45c421cc340ec938143e03José Fonseca 22798971802798354cdba45c421cc340ec938143e03José Fonseca early_depth_test = 228cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->depth.enabled && 229cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 230cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 231cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 23298971802798354cdba45c421cc340ec938143e03José Fonseca 23398971802798354cdba45c421cc340ec938143e03José Fonseca if(early_depth_test) 234cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca generate_depth(builder, key, 235f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca type, &mask, 236f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z, depth_ptr); 23798971802798354cdba45c421cc340ec938143e03José Fonseca 23898971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 239f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 2408be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca outputs, sampler); 24198971802798354cdba45c421cc340ec938143e03José Fonseca 24298971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 24398971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 24498971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 24598971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "output%u.%u.%c", i, attrib, "xyzw"[chan]); 24698971802798354cdba45c421cc340ec938143e03José Fonseca 24798971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 24898971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 24998971802798354cdba45c421cc340ec938143e03José Fonseca { 25098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 25198971802798354cdba45c421cc340ec938143e03José Fonseca 25298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "color%u.%u.%c", i, attrib, "rgba"[chan]); 25398971802798354cdba45c421cc340ec938143e03José Fonseca 25498971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 25598971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 256635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 257635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha = outputs[attrib][chan]; 258635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 259635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 260635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 26198971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 262635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 263635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 26498971802798354cdba45c421cc340ec938143e03José Fonseca 26598971802798354cdba45c421cc340ec938143e03José Fonseca if(cbuf == 0) 26698971802798354cdba45c421cc340ec938143e03José Fonseca color[chan] = outputs[attrib][chan]; 26798971802798354cdba45c421cc340ec938143e03José Fonseca 26898971802798354cdba45c421cc340ec938143e03José Fonseca break; 26998971802798354cdba45c421cc340ec938143e03José Fonseca } 27098971802798354cdba45c421cc340ec938143e03José Fonseca 27198971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 27298971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 273f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z = outputs[attrib][chan]; 27498971802798354cdba45c421cc340ec938143e03José Fonseca break; 27598971802798354cdba45c421cc340ec938143e03José Fonseca } 27698971802798354cdba45c421cc340ec938143e03José Fonseca } 27798971802798354cdba45c421cc340ec938143e03José Fonseca } 27898971802798354cdba45c421cc340ec938143e03José Fonseca } 27998971802798354cdba45c421cc340ec938143e03José Fonseca 2806a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca if(!early_depth_test) 2816a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca generate_depth(builder, key, 2826a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca type, &mask, 2836a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca z, depth_ptr); 2846a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 2856a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 2866a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 2876a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 2886a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 2898e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 29098971802798354cdba45c421cc340ec938143e03José Fonseca 29198971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 29298971802798354cdba45c421cc340ec938143e03José Fonseca 29398971802798354cdba45c421cc340ec938143e03José Fonseca} 29498971802798354cdba45c421cc340ec938143e03José Fonseca 29598971802798354cdba45c421cc340ec938143e03José Fonseca 29698971802798354cdba45c421cc340ec938143e03José Fonseca/** 2975811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 29898971802798354cdba45c421cc340ec938143e03José Fonseca */ 29998971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 30098971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 30198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 302b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 303635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 30498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 30598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 30698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 30798971802798354cdba45c421cc340ec938143e03José Fonseca{ 30898971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 309c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 310c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 31198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 31298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef int_vec_type; 313635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 31498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 31598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 31698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 31798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 31898971802798354cdba45c421cc340ec938143e03José Fonseca 319c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 320c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 321c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 322c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 323c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 32498971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 32598971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 32698971802798354cdba45c421cc340ec938143e03José Fonseca 327635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 328635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 329635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 330635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 33198971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 33298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 333635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 33498971802798354cdba45c421cc340ec938143e03José Fonseca 33598971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 33698971802798354cdba45c421cc340ec938143e03José Fonseca 33798971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 33898971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 33998971802798354cdba45c421cc340ec938143e03José Fonseca } 34098971802798354cdba45c421cc340ec938143e03José Fonseca 34198971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_blend_soa(builder, blend, type, src, dst, con, res); 34298971802798354cdba45c421cc340ec938143e03José Fonseca 34398971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 3444c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(blend->colormask & (1 << chan)) { 3454c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 3464c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 3474c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 3484c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 3494c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 35098971802798354cdba45c421cc340ec938143e03José Fonseca } 351c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 352c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 353c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 35498971802798354cdba45c421cc340ec938143e03José Fonseca} 35598971802798354cdba45c421cc340ec938143e03José Fonseca 35698971802798354cdba45c421cc340ec938143e03José Fonseca 3575811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 3585811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 3595811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 36098971802798354cdba45c421cc340ec938143e03José Fonsecastatic struct lp_fragment_shader_variant * 36198971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 36298971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 36398971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key) 36498971802798354cdba45c421cc340ec938143e03José Fonseca{ 36598971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 36698971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader_variant *variant; 367b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 368b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 36998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 37098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_vec_type; 37198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 37298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 37398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_int_vec_type; 374c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMTypeRef arg_types[9]; 37573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 376c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 3777c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 3787c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 37973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 38073af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 38173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 3827821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMValueRef mask_ptr; 38339352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef color_ptr; 38439352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 38573af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 38673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 387f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x0; 388f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y0; 3898be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 390f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 39198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 39298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_out_color[NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 39398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 39498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_in_color[NUM_CHANNELS]; 39598971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 39639352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 39739352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 39873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 3999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#ifdef DEBUG 4009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_dump(shader->base.tokens, 0); 40198971802798354cdba45c421cc340ec938143e03José Fonseca if(key->depth.enabled) { 40298971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("depth.func = %s\n", debug_dump_func(key->depth.func, TRUE)); 40398971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("depth.writemask = %u\n", key->depth.writemask); 40498971802798354cdba45c421cc340ec938143e03José Fonseca } 40598971802798354cdba45c421cc340ec938143e03José Fonseca if(key->alpha.enabled) { 40698971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("alpha.func = %s\n", debug_dump_func(key->alpha.func, TRUE)); 40798971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 40898971802798354cdba45c421cc340ec938143e03José Fonseca } 40998971802798354cdba45c421cc340ec938143e03José Fonseca if(key->blend.logicop_enable) { 41098971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("blend.logicop_func = %u\n", key->blend.logicop_func); 41198971802798354cdba45c421cc340ec938143e03José Fonseca } 41298971802798354cdba45c421cc340ec938143e03José Fonseca else if(key->blend.blend_enable) { 41398971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("blend.rgb_func = %s\n", debug_dump_blend_func (key->blend.rgb_func, TRUE)); 41498971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("rgb_src_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_src_factor, TRUE)); 41598971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("rgb_dst_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_dst_factor, TRUE)); 41698971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("alpha_func = %s\n", debug_dump_blend_func (key->blend.alpha_func, TRUE)); 41798971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("alpha_src_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_src_factor, TRUE)); 41898971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("alpha_dst_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_dst_factor, TRUE)); 41998971802798354cdba45c421cc340ec938143e03José Fonseca } 42098971802798354cdba45c421cc340ec938143e03José Fonseca debug_printf("blend.colormask = 0x%x\n", key->blend.colormask); 4219ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#endif 4229ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 4239ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = CALLOC_STRUCT(lp_fragment_shader_variant); 4249ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(!variant) 4259ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 4269ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 4279ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->shader = shader; 428e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca memcpy(&variant->key, key, sizeof *key); 4299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 4305811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 4315811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 4325811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 433b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 43498971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 43598971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 43698971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 43798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 43898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.length = 4; /* 4 element per vector */ 43998971802798354cdba45c421cc340ec938143e03José Fonseca num_fs = 4; 44073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 441b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 44298971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 44398971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 44498971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 44598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 44698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 44798971802798354cdba45c421cc340ec938143e03José Fonseca 4485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 4495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 45008dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 4515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 4525811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 45398971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 45498971802798354cdba45c421cc340ec938143e03José Fonseca fs_vec_type = lp_build_vec_type(fs_type); 45598971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 45698971802798354cdba45c421cc340ec938143e03José Fonseca 45798971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 45898971802798354cdba45c421cc340ec938143e03José Fonseca blend_int_vec_type = lp_build_int_vec_type(blend_type); 45973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 460c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 461c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 462c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 463c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[3] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 464c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 465c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dady */ 46698971802798354cdba45c421cc340ec938143e03José Fonseca arg_types[6] = LLVMPointerType(fs_int_vec_type, 0); /* mask */ 46798971802798354cdba45c421cc340ec938143e03José Fonseca arg_types[7] = LLVMPointerType(blend_vec_type, 0); /* color */ 46898971802798354cdba45c421cc340ec938143e03José Fonseca arg_types[8] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 46973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 47073af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 47173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 4729ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->function = LLVMAddFunction(screen->module, "shader", func_type); 4739ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMSetFunctionCallConv(variant->function, LLVMCCallConv); 474a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 4757c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 4769ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMAddAttribute(LLVMGetParam(variant->function, i), LLVMNoAliasAttribute); 4779ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 478c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca context_ptr = LLVMGetParam(variant->function, 0); 479c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca x = LLVMGetParam(variant->function, 1); 480c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca y = LLVMGetParam(variant->function, 2); 481c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca a0_ptr = LLVMGetParam(variant->function, 3); 482c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca dadx_ptr = LLVMGetParam(variant->function, 4); 483c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca dady_ptr = LLVMGetParam(variant->function, 5); 4849ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca mask_ptr = LLVMGetParam(variant->function, 6); 4859ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca color_ptr = LLVMGetParam(variant->function, 7); 4869ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca depth_ptr = LLVMGetParam(variant->function, 8); 4877c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 488c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 4897c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 4907c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 4915999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 4925999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 4935999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 4945999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(mask_ptr, "mask"); 49539352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(color_ptr, "color"); 49639352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 49773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 4985811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 4995811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 5005811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5015811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 5029ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca block = LLVMAppendBasicBlock(variant->function, "entry"); 50373af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 50473af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 50573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 506f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca generate_pos0(builder, x, y, &x0, &y0); 507f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 508f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca lp_build_interp_soa_init(&interp, shader->base.tokens, builder, fs_type, 509f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 510f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca x0, y0, 2, 0); 511f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 512e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca#if 0 513e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* C texture sampling */ 5148be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler = lp_c_sampler_soa_create(context_ptr); 515e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca#else 516e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 517e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 518e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca#endif 519c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 52098971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 52198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 52298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef out_color[NUM_CHANNELS]; 52398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 52498971802798354cdba45c421cc340ec938143e03José Fonseca 525f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 526f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca lp_build_interp_soa_update(&interp); 52798971802798354cdba45c421cc340ec938143e03José Fonseca 52898971802798354cdba45c421cc340ec938143e03José Fonseca fs_mask[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, mask_ptr, &index, 1, ""), ""); 52998971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 53098971802798354cdba45c421cc340ec938143e03José Fonseca 531635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 53298971802798354cdba45c421cc340ec938143e03José Fonseca builder, 53398971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 534635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 53598971802798354cdba45c421cc340ec938143e03José Fonseca i, 536f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 5378be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 53898971802798354cdba45c421cc340ec938143e03José Fonseca &fs_mask[i], 53998971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 540635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca depth_ptr_i); 54198971802798354cdba45c421cc340ec938143e03José Fonseca 54298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) 54398971802798354cdba45c421cc340ec938143e03José Fonseca fs_out_color[chan][i] = out_color[chan]; 54498971802798354cdba45c421cc340ec938143e03José Fonseca } 54539352b34438affc36ce22852bb55359d304a522cJosé Fonseca 5468be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 5478be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 5485811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5495811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Convert the fs's output color and mask to fit to the blending type. 5505811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5515811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 55298971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 55398971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_conv(builder, fs_type, blend_type, 55498971802798354cdba45c421cc340ec938143e03José Fonseca fs_out_color[chan], num_fs, 55598971802798354cdba45c421cc340ec938143e03José Fonseca &blend_in_color[chan], 1); 55698971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(blend_in_color[chan], "color.%c", "rgba"[chan]); 557635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 55873af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 55973af91e938eb27b001404f11195fb06ff9b08903José Fonseca 56098971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_conv_mask(builder, fs_type, blend_type, 56198971802798354cdba45c421cc340ec938143e03José Fonseca fs_mask, num_fs, 56298971802798354cdba45c421cc340ec938143e03José Fonseca &blend_mask, 1); 563e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 5645811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5655811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Blending. 5665811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5675811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 56898971802798354cdba45c421cc340ec938143e03José Fonseca generate_blend(&key->blend, 56998971802798354cdba45c421cc340ec938143e03José Fonseca builder, 57098971802798354cdba45c421cc340ec938143e03José Fonseca blend_type, 571635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 57298971802798354cdba45c421cc340ec938143e03José Fonseca blend_mask, 57398971802798354cdba45c421cc340ec938143e03José Fonseca blend_in_color, 57498971802798354cdba45c421cc340ec938143e03José Fonseca color_ptr); 5757821664b15501b173b2304bbada758c33c5ff972José Fonseca 5765811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 57773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 57873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 579946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 5805811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 5815811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Translate the LLVM IR into machine code. 5825811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 5835811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 584a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca if(LLVMVerifyFunction(variant->function, LLVMPrintMessageAction)) { 585a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca LLVMDumpValue(variant->function); 586a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca abort(); 587a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 588a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 5899ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMRunFunctionPassManager(screen->pass, variant->function); 59073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 59173af91e938eb27b001404f11195fb06ff9b08903José Fonseca#ifdef DEBUG 5929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMDumpValue(variant->function); 59373af91e938eb27b001404f11195fb06ff9b08903José Fonseca debug_printf("\n"); 59473af91e938eb27b001404f11195fb06ff9b08903José Fonseca#endif 59573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 59608dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca variant->jit_function = (lp_jit_frag_func)LLVMGetPointerToGlobal(screen->engine, variant->function); 59773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 598818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca#ifdef DEBUG 5999ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca lp_disassemble(variant->jit_function); 600818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca#endif 601818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 6029ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->next = shader->variants; 6039ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->variants = variant; 6049ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6059ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 6069ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 6079ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6089ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6099ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecavoid * 6109ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 6119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 6129ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 6139ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 6149ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6159ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 6169ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 6179ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 6189ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6199ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 6209ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 6219ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6229ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 6239ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 6249ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 62573af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 626946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 627946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 628946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 629946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 630946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 631946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 632946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 633946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 634946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca llvmpipe->fs = (struct lp_fragment_shader *) fs; 635946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 636c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 637946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 638946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 639946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 640946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 641946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 642946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 643e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 644e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 64573af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 6469ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 647946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 648e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 6499ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6509ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 6519ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 6529ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 6539ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6549ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(variant->function) { 6559ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(variant->jit_function) 6569ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMFreeMachineCodeForFunction(screen->engine, variant->function); 6579ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMDeleteFunction(variant->function); 6589ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 6599ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6609ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 6619ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6629ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 66373af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 66473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 66573af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 66673af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 667946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 668946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 669946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 670946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 671946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 672946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 673946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 674c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca const struct pipe_constant_buffer *constants) 675946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 676946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 677c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca struct pipe_buffer *buffer = constants ? constants->buffer : NULL; 678c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca unsigned size = buffer ? buffer->size : 0; 679c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca const void *data = buffer ? llvmpipe_buffer(buffer)->data : NULL; 680946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 681946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 682946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 683946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 684c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca if(shader == PIPE_SHADER_VERTEX) 685c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca draw_flush(llvmpipe->draw); 686c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 687946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 688c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca pipe_buffer_reference(&llvmpipe->constants[shader].buffer, buffer); 689c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 690c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca if(shader == PIPE_SHADER_FRAGMENT) { 691c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca llvmpipe->jit_context.constants = data; 692c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca } 693c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 694c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 695c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca draw_set_mapped_constant_buffer(llvmpipe->draw, data, size); 696c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca } 697946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 698c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 699946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 7009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 7019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 702635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 703635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 704635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 705635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 706635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 707635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 708635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 709635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 710635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 711e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 712635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 713635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 714e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 715e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 716635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 717635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 718cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(lp->framebuffer.zsbuf && 719cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca lp->depth_stencil->depth.enabled) { 720cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->zsbuf_format = lp->framebuffer.zsbuf->format; 721cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 722cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 723635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 724635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 725635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 726635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 727635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 728635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 7294c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(lp->framebuffer.cbufs[0]) { 7304c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 7314c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 7324c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 7334c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca memcpy(&key->blend, lp->blend, sizeof key->blend); 7344c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 7354c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc = util_format_description(lp->framebuffer.cbufs[0]->format); 7364c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca assert(format_desc->layout == UTIL_FORMAT_COLORSPACE_RGB || 7374c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc->layout == UTIL_FORMAT_COLORSPACE_SRGB); 7384c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 7394c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca /* mask out color channels not present in the color buffer */ 7404c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 7414c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 7424c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(swizzle > 4) 7434c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca key->blend.colormask &= ~(1 << chan); 7444c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 7454c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 746e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 747e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 748e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 749e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca lp_sampler_static_state(&key->sampler[i], lp->texture[i], lp->sampler[i]); 750635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 751635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 752635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 7535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 7545811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 7559ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 7569ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 757e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 7589ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 7599ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 760e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 761e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 7629ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 7639ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 764e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 7659ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 7669ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 7679ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 7689ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 7699ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 7709ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(!variant) 77198971802798354cdba45c421cc340ec938143e03José Fonseca variant = generate_fragment(lp, shader, &key); 7729ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 7739ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->current = variant; 7749ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 775