lp_state_fs.c revision c1a04416023e24621e4992caf593e8dfe8d7a2fc
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 61f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#include <limits.h> 62946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_defines.h" 63946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "util/u_memory.h" 64e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "util/u_format.h" 659ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "util/u_debug_dump.h" 66946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/internal/p_winsys_screen.h" 67946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "pipe/p_shader_tokens.h" 68946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "draw/draw_context.h" 69946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_dump.h" 70946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_scan.h" 71946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca#include "tgsi/tgsi_parse.h" 7273af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_type.h" 73f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_const.h" 74e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_conv.h" 75c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca#include "lp_bld_intr.h" 7698971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_logic.h" 77e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca#include "lp_bld_depth.h" 78f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca#include "lp_bld_interp.h" 7973af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_bld_tgsi.h" 809ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca#include "lp_bld_alpha.h" 8198971802798354cdba45c421cc340ec938143e03José Fonseca#include "lp_bld_blend.h" 827c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca#include "lp_bld_swizzle.h" 833d7a88674f9eb3320eeff511968f041426e25023José Fonseca#include "lp_bld_flow.h" 84818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca#include "lp_bld_debug.h" 8573af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_screen.h" 8673af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_context.h" 87c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca#include "lp_buffer.h" 8885999695829823e459e11822b4846ed1db5c055dJosé Fonseca#include "lp_setup.h" 8973af91e938eb27b001404f11195fb06ff9b08903José Fonseca#include "lp_state.h" 908be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca#include "lp_tex_sample.h" 91dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell#include "lp_debug.h" 9273af91e938eb27b001404f11195fb06ff9b08903José Fonseca 9373af91e938eb27b001404f11195fb06ff9b08903José Fonseca 947c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_x[4] = {0, 1, 0, 1}; 957c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic const unsigned char quad_offset_y[4] = {0, 0, 1, 1}; 967c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 977c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 98f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca/* 99f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * Derive from the quad's upper left scalar coordinates the coordinates for 100f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca * all other quad pixels 1015811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 1027c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonsecastatic void 103f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonsecagenerate_pos0(LLVMBuilderRef builder, 104f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x, 105f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y, 106f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *x0, 107f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef *y0) 1087c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca{ 1097c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_elem_type = LLVMInt32Type(); 1107c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef int_vec_type = LLVMVectorType(int_elem_type, QUAD_SIZE); 1117c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef elem_type = LLVMFloatType(); 1127c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMTypeRef vec_type = LLVMVectorType(elem_type, QUAD_SIZE); 1137c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x_offsets[QUAD_SIZE]; 1147c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y_offsets[QUAD_SIZE]; 1157c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca unsigned i; 1167c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1177c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = lp_build_broadcast(builder, int_vec_type, x); 1187c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = lp_build_broadcast(builder, int_vec_type, y); 1197c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1207c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca for(i = 0; i < QUAD_SIZE; ++i) { 1217c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_x[i], 0); 1227c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y_offsets[i] = LLVMConstInt(int_elem_type, quad_offset_y[i], 0); 1237c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca } 1247c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1257c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca x = LLVMBuildAdd(builder, x, LLVMConstVector(x_offsets, QUAD_SIZE), ""); 1267c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca y = LLVMBuildAdd(builder, y, LLVMConstVector(y_offsets, QUAD_SIZE), ""); 1277c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 128f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *x0 = LLVMBuildSIToFP(builder, x, vec_type, ""); 129f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca *y0 = LLVMBuildSIToFP(builder, y, vec_type, ""); 1307c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca} 1317c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1327c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 1335811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 1345811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the depth test. 1355811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 136e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonsecastatic void 137cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonsecagenerate_depth(LLVMBuilderRef builder, 138cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca const struct lp_fragment_shader_variant_key *key, 139b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type src_type, 14098971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context *mask, 14198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef src, 14298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 143e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca{ 144e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca const struct util_format_description *format_desc; 145b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type dst_type; 146e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 147cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(!key->depth.enabled) 148e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca return; 149e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 150cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca format_desc = util_format_description(key->zsbuf_format); 151e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(format_desc); 152e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1532282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca /* 1542282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * Depths are expected to be between 0 and 1, even if they are stored in 1552282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * floats. Setting these bits here will ensure that the lp_build_conv() call 1562282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca * below won't try to unnecessarily clamp the incoming values. 1572282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca */ 1582282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca if(src_type.floating) { 1592282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.sign = FALSE; 1602282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca src_type.norm = TRUE; 1612282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1622282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca else { 1632282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(!src_type.sign); 1642282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca assert(src_type.norm); 1652282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca } 1662282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1675811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* Pick the depth type. */ 168e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); 169e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 1705811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* FIXME: Cope with a depth test type with a different bit width. */ 171e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.width == src_type.width); 172e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(dst_type.length == src_type.length); 173e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 174e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); 1752282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca 1762282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr = LLVMBuildBitCast(builder, 1772282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca dst_ptr, 1782282fb7710d386bd10ccdd18f030069fae0a5d55José Fonseca LLVMPointerType(lp_build_vec_type(dst_type), 0), ""); 179e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 180e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca lp_build_depth_test(builder, 181cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca &key->depth, 182e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_type, 183e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca format_desc, 184e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca mask, 185e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca src, 186e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca dst_ptr); 187e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca} 188e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 189e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 19098971802798354cdba45c421cc340ec938143e03José Fonseca/** 191ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * Generate the code to do inside/outside triangle testing for the 192ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * four pixels in a 2x2 quad. This will set the four elements of the 193ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * quad mask vector to 0 or ~0. 194ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad of the quad group to test, in [0,3] 195ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 196ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulstatic void 197ab9438193083b7f9a3180cb9cea45e269131048aBrian Paulgenerate_tri_edge_mask(LLVMBuilderRef builder, 198ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul unsigned i, 199ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef *mask, /* ivec4, out */ 200ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, /* int32 */ 201ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, /* int32 */ 202ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, /* int32 */ 203ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, /* ivec4 */ 204ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, /* ivec4 */ 205ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) /* ivec4 */ 206ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul{ 207ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* 208ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0_vec = splat(c0) 209ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c1_vec = splat(c1) 210ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c2_vec = splat(c2) 211b9d33db0a4cb818154b713a27834f66025b14672Brian Paul m0_vec = step0_ptr[i] > c0_vec 212b9d33db0a4cb818154b713a27834f66025b14672Brian Paul m1_vec = step1_ptr[i] > c1_vec 213b9d33db0a4cb818154b713a27834f66025b14672Brian Paul m2_vec = step2_ptr[i] > c2_vec 214ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul mask = m0_vec & m1_vec & m2_vec 215ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 216f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul struct lp_build_flow_context *flow; 217f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul struct lp_build_if_state ifctx; 218ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul struct lp_type i32_type; 219f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMTypeRef i32vec4_type, mask_type; 220ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 221ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0_vec, c1_vec, c2_vec; 222f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 223f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef int_min_vec; 224f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef not_draw_all; 225f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef in_out_mask; 226ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 227ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 228ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 229ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* int32 vector type */ 230ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul memset(&i32_type, 0, sizeof i32_type); 231ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.floating = FALSE; /* values are integers */ 232ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.sign = TRUE; /* values are signed */ 233ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.norm = FALSE; /* values are not normalized */ 234ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.width = 32; /* 32-bit int values */ 235ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32_type.length = 4; /* 4 elements per vector */ 236ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 237ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul i32vec4_type = lp_build_int32_vec4_type(); 238ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 239f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul mask_type = LLVMIntType(32 * 4); 240f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 241f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* int_min_vec = {INT_MIN, INT_MIN, INT_MIN, INT_MIN} */ 242f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul int_min_vec = lp_build_int_const_scalar(i32_type, INT_MIN); 243f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 244f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 2455771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* c0_vec = {c0, c0, c0, c0} 2465771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul * Note that we emit this code four times but LLVM optimizes away 2475771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul * three instances of it. 2485771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul */ 249ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0_vec = lp_build_broadcast(builder, i32vec4_type, c0); 250ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c1_vec = lp_build_broadcast(builder, i32vec4_type, c1); 251ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c2_vec = lp_build_broadcast(builder, i32vec4_type, c2); 2525771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul lp_build_name(c0_vec, "edgeconst0vec"); 2535771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul lp_build_name(c1_vec, "edgeconst1vec"); 2545771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul lp_build_name(c2_vec, "edgeconst2vec"); 2555771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 256f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 257f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Use a conditional here to do detailed pixel in/out testing. 258f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * We only have to do this if c0 != {INT_MIN, INT_MIN, INT_MIN, INT_MIN} 259f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 260f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul flow = lp_build_flow_create(builder); 261f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_begin(flow); 262ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 263f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#define OPTIMIZE_IN_OUT_TEST 0 264f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 265f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul in_out_mask = lp_build_compare(builder, i32_type, PIPE_FUNC_EQUAL, c0_vec, int_min_vec); 266f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(in_out_mask, "inoutmaskvec"); 2675771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 268f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul not_draw_all = LLVMBuildICmp(builder, 269f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMIntEQ, 270f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMBuildBitCast(builder, in_out_mask, mask_type, ""), 271f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMConstNull(mask_type), 272f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul ""); 273ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 274f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_declare(flow, &in_out_mask); 275ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 276f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_if(&ifctx, flow, builder, not_draw_all); 277f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 278f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul { 279f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef step0_vec, step1_vec, step2_vec; 280f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef m0_vec, m1_vec, m2_vec; 281f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMValueRef index, m; 282f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 283f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul index = LLVMConstInt(LLVMInt32Type(), i, 0); 284f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step0_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step0_ptr, &index, 1, ""), ""); 285f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step1_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step1_ptr, &index, 1, ""), ""); 286f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul step2_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step2_ptr, &index, 1, ""), ""); 287f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 288f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step0_vec, "step0vec"); 289f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step1_vec, "step1vec"); 290f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(step2_vec, "step2vec"); 291f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 292f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m0_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step0_vec, c0_vec); 293f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m1_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step1_vec, c1_vec); 294f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m2_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step2_vec, c2_vec); 295f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 296f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul m = LLVMBuildAnd(builder, m0_vec, m1_vec, ""); 297f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul in_out_mask = LLVMBuildAnd(builder, m, m2_vec, ""); 298f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_name(in_out_mask, "inoutmaskvec"); 299f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 300f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* This is the initial alive/dead pixel mask. Additional bits will get cleared 301f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * when the Z test fails, etc. 302f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 303f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul } 304f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#if OPTIMIZE_IN_OUT_TEST 305f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_endif(&ifctx); 306f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul#endif 3075771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 308f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_scope_end(flow); 309f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul lp_build_flow_destroy(flow); 3105771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul 311f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul *mask = in_out_mask; 312ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul} 313ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 314ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 315ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul/** 3165811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the fragment shader, depth/stencil test, and alpha tests. 317ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * \param i which quad in the tile, in range [0,3] 31898971802798354cdba45c421cc340ec938143e03José Fonseca */ 31998971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 32098971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fs(struct llvmpipe_context *lp, 32198971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 32298971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key, 32398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 324b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 325635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 32698971802798354cdba45c421cc340ec938143e03José Fonseca unsigned i, 327f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca const struct lp_build_interp_soa_context *interp, 3288be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler, 32998971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *pmask, 330c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef (*color)[4], 331ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef depth_ptr, 332ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, 333ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c1, 334ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c2, 335ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step0_ptr, 336ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step1_ptr, 337ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef step2_ptr) 33873af91e938eb27b001404f11195fb06ff9b08903José Fonseca{ 33973af91e938eb27b001404f11195fb06ff9b08903José Fonseca const struct tgsi_token *tokens = shader->base.tokens; 34073af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef elem_type; 34173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef vec_type; 3427821664b15501b173b2304bbada758c33c5ff972José Fonseca LLVMTypeRef int_vec_type; 343635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef consts_ptr; 34498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; 345f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef z = interp->pos[2]; 3468e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca struct lp_build_flow_context *flow; 34798971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_mask_context mask; 34898971802798354cdba45c421cc340ec938143e03José Fonseca boolean early_depth_test; 34998971802798354cdba45c421cc340ec938143e03José Fonseca unsigned attrib; 35098971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 351c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 35298971802798354cdba45c421cc340ec938143e03José Fonseca 353ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul assert(i < 4); 354ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 35598971802798354cdba45c421cc340ec938143e03José Fonseca elem_type = lp_build_elem_type(type); 35698971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 35798971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 35898971802798354cdba45c421cc340ec938143e03José Fonseca 359635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca consts_ptr = lp_jit_context_constants(builder, context_ptr); 360635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 3618e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca flow = lp_build_flow_create(builder); 3628e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3638e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca memset(outputs, 0, sizeof outputs); 3648e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3658e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_scope_begin(flow); 3668e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 3678e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca /* Declare the color and z variables */ 368c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 369c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 370c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = LLVMGetUndef(vec_type); 371c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_flow_scope_declare(flow, &color[cbuf][chan]); 372c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 3738e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca } 3746a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_declare(flow, &z); 3758e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca 376ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* do triangle edge testing */ 377ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul generate_tri_edge_mask(builder, i, pmask, 378ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0, c1, c2, step0_ptr, step1_ptr, step2_ptr); 379ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 3805771f3d483e882d9f5b6c5f3bdb3c39696623b66Brian Paul /* 'mask' will control execution based on quad's pixel alive/killed state */ 3818e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_mask_begin(&mask, flow, type, *pmask); 38298971802798354cdba45c421cc340ec938143e03José Fonseca 383ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul 38498971802798354cdba45c421cc340ec938143e03José Fonseca early_depth_test = 385cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->depth.enabled && 386cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !key->alpha.enabled && 387cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.uses_kill && 388cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca !shader->info.writes_z; 38998971802798354cdba45c421cc340ec938143e03José Fonseca 39098971802798354cdba45c421cc340ec938143e03José Fonseca if(early_depth_test) 391cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca generate_depth(builder, key, 392f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca type, &mask, 393f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z, depth_ptr); 39498971802798354cdba45c421cc340ec938143e03José Fonseca 39598971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_tgsi_soa(builder, tokens, type, &mask, 396f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca consts_ptr, interp->pos, interp->inputs, 3978be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca outputs, sampler); 39898971802798354cdba45c421cc340ec938143e03José Fonseca 39998971802798354cdba45c421cc340ec938143e03José Fonseca for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { 40098971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < NUM_CHANNELS; ++chan) { 40198971802798354cdba45c421cc340ec938143e03José Fonseca if(outputs[attrib][chan]) { 40298971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "output%u.%u.%c", i, attrib, "xyzw"[chan]); 40398971802798354cdba45c421cc340ec938143e03José Fonseca 40498971802798354cdba45c421cc340ec938143e03José Fonseca switch (shader->info.output_semantic_name[attrib]) { 40598971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_COLOR: 40698971802798354cdba45c421cc340ec938143e03José Fonseca { 40798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned cbuf = shader->info.output_semantic_index[attrib]; 40898971802798354cdba45c421cc340ec938143e03José Fonseca 40998971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(outputs[attrib][chan], "color%u.%u.%c", i, attrib, "rgba"[chan]); 41098971802798354cdba45c421cc340ec938143e03José Fonseca 41198971802798354cdba45c421cc340ec938143e03José Fonseca /* Alpha test */ 41298971802798354cdba45c421cc340ec938143e03José Fonseca /* XXX: should the alpha reference value be passed separately? */ 413c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: should only test the final assignment to alpha */ 414635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(cbuf == 0 && chan == 3) { 415635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha = outputs[attrib][chan]; 416635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef alpha_ref_value; 417635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_jit_context_alpha_ref_value(builder, context_ptr); 418635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca alpha_ref_value = lp_build_broadcast(builder, vec_type, alpha_ref_value); 41998971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_alpha_test(builder, &key->alpha, type, 420635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca &mask, alpha, alpha_ref_value); 421635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca } 42298971802798354cdba45c421cc340ec938143e03José Fonseca 423c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color[cbuf][chan] = outputs[attrib][chan]; 42498971802798354cdba45c421cc340ec938143e03José Fonseca break; 42598971802798354cdba45c421cc340ec938143e03José Fonseca } 42698971802798354cdba45c421cc340ec938143e03José Fonseca 42798971802798354cdba45c421cc340ec938143e03José Fonseca case TGSI_SEMANTIC_POSITION: 42898971802798354cdba45c421cc340ec938143e03José Fonseca if(chan == 2) 429f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca z = outputs[attrib][chan]; 43098971802798354cdba45c421cc340ec938143e03José Fonseca break; 43198971802798354cdba45c421cc340ec938143e03José Fonseca } 43298971802798354cdba45c421cc340ec938143e03José Fonseca } 43398971802798354cdba45c421cc340ec938143e03José Fonseca } 43498971802798354cdba45c421cc340ec938143e03José Fonseca } 43598971802798354cdba45c421cc340ec938143e03José Fonseca 4366a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca if(!early_depth_test) 4376a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca generate_depth(builder, key, 4386a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca type, &mask, 4396a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca z, depth_ptr); 4406a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 4416a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_mask_end(&mask); 4426a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 4436a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca lp_build_flow_scope_end(flow); 4446a405b4a21ac1fa45a93da37ce6b95d98d17f0e2José Fonseca 4458e6b925d2a963a2d5a403e106d7d25e3dcca0775José Fonseca lp_build_flow_destroy(flow); 44698971802798354cdba45c421cc340ec938143e03José Fonseca 44798971802798354cdba45c421cc340ec938143e03José Fonseca *pmask = mask.value; 44898971802798354cdba45c421cc340ec938143e03José Fonseca 44998971802798354cdba45c421cc340ec938143e03José Fonseca} 45098971802798354cdba45c421cc340ec938143e03José Fonseca 45198971802798354cdba45c421cc340ec938143e03José Fonseca 45298971802798354cdba45c421cc340ec938143e03José Fonseca/** 4535811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate color blending and color output. 45498971802798354cdba45c421cc340ec938143e03José Fonseca */ 45598971802798354cdba45c421cc340ec938143e03José Fonsecastatic void 45698971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_blend(const struct pipe_blend_state *blend, 45798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMBuilderRef builder, 458b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type type, 459635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef context_ptr, 46098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef mask, 46198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef *src, 46298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst_ptr) 46398971802798354cdba45c421cc340ec938143e03José Fonseca{ 46498971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_build_context bld; 465c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_flow_context *flow; 466c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca struct lp_build_mask_context mask_ctx; 46798971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef vec_type; 46898971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef int_vec_type; 469635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMValueRef const_ptr; 47098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef con[4]; 47198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef dst[4]; 47298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef res[4]; 47398971802798354cdba45c421cc340ec938143e03José Fonseca unsigned chan; 47498971802798354cdba45c421cc340ec938143e03José Fonseca 475c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_context_init(&bld, builder, type); 476c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 477c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca flow = lp_build_flow_create(builder); 478f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul 479f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* we'll use this mask context to skip blending if all pixels are dead */ 480c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_begin(&mask_ctx, flow, type, mask); 481c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 48298971802798354cdba45c421cc340ec938143e03José Fonseca vec_type = lp_build_vec_type(type); 48398971802798354cdba45c421cc340ec938143e03José Fonseca int_vec_type = lp_build_int_vec_type(type); 48498971802798354cdba45c421cc340ec938143e03José Fonseca 485635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = lp_jit_context_blend_color(builder, context_ptr); 486635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca const_ptr = LLVMBuildBitCast(builder, const_ptr, 487635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca LLVMPointerType(vec_type, 0), ""); 488635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 48998971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 49098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 491635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca con[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 49298971802798354cdba45c421cc340ec938143e03José Fonseca 49398971802798354cdba45c421cc340ec938143e03José Fonseca dst[chan] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 49498971802798354cdba45c421cc340ec938143e03José Fonseca 49598971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(con[chan], "con.%c", "rgba"[chan]); 49698971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_name(dst[chan], "dst.%c", "rgba"[chan]); 49798971802798354cdba45c421cc340ec938143e03José Fonseca } 49898971802798354cdba45c421cc340ec938143e03José Fonseca 49998971802798354cdba45c421cc340ec938143e03José Fonseca lp_build_blend_soa(builder, blend, type, src, dst, con, res); 50098971802798354cdba45c421cc340ec938143e03José Fonseca 50198971802798354cdba45c421cc340ec938143e03José Fonseca for(chan = 0; chan < 4; ++chan) { 5024c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca if(blend->colormask & (1 << chan)) { 5034c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); 5044c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca lp_build_name(res[chan], "res.%c", "rgba"[chan]); 5054c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); 5064c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); 5074c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 50898971802798354cdba45c421cc340ec938143e03José Fonseca } 509c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca 510c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_mask_end(&mask_ctx); 511c3c80c5c22f9ce7fabba90daa5d5142e5fb1c012José Fonseca lp_build_flow_destroy(flow); 51298971802798354cdba45c421cc340ec938143e03José Fonseca} 51398971802798354cdba45c421cc340ec938143e03José Fonseca 51498971802798354cdba45c421cc340ec938143e03José Fonseca 5155811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca/** 5165811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the runtime callable function for the whole fragment pipeline. 517866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * Note that the function which we generate operates on a block of 16 518866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * pixels at at time. The block contains 2x2 quads. Each quad contains 519866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul * 2x2 pixels. 5205811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 52198971802798354cdba45c421cc340ec938143e03José Fonsecastatic struct lp_fragment_shader_variant * 52298971802798354cdba45c421cc340ec938143e03José Fonsecagenerate_fragment(struct llvmpipe_context *lp, 52398971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader *shader, 52498971802798354cdba45c421cc340ec938143e03José Fonseca const struct lp_fragment_shader_variant_key *key) 52598971802798354cdba45c421cc340ec938143e03José Fonseca{ 52698971802798354cdba45c421cc340ec938143e03José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); 52798971802798354cdba45c421cc340ec938143e03José Fonseca struct lp_fragment_shader_variant *variant; 528b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fs_type; 529b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type blend_type; 53098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_elem_type; 53198971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_vec_type; 53298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef fs_int_vec_type; 53398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_vec_type; 53498971802798354cdba45c421cc340ec938143e03José Fonseca LLVMTypeRef blend_int_vec_type; 535ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef arg_types[14]; 53673af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMTypeRef func_type; 537ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMTypeRef int32_vec4_type = lp_build_int32_vec4_type(); 538c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca LLVMValueRef context_ptr; 5397c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef x; 5407c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca LLVMValueRef y; 54173af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef a0_ptr; 54273af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dadx_ptr; 54373af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMValueRef dady_ptr; 544c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr_ptr; 54539352b34438affc36ce22852bb55359d304a522cJosé Fonseca LLVMValueRef depth_ptr; 546ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul LLVMValueRef c0, c1, c2, step0_ptr, step1_ptr, step2_ptr; 54773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBasicBlockRef block; 54873af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMBuilderRef builder; 549f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef x0; 550f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca LLVMValueRef y0; 5518be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca struct lp_build_sampler_soa *sampler; 552f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca struct lp_build_interp_soa_context interp; 55398971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; 554c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef fs_out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; 55598971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_mask; 55698971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef blend_in_color[NUM_CHANNELS]; 55798971802798354cdba45c421cc340ec938143e03José Fonseca unsigned num_fs; 55839352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned i; 55939352b34438affc36ce22852bb55359d304a522cJosé Fonseca unsigned chan; 560c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell unsigned cbuf; 56173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 562dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if (LP_DEBUG & DEBUG_JIT) { 563dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell tgsi_dump(shader->base.tokens, 0); 564dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if(key->depth.enabled) { 5652584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("depth.format = %s\n", pf_name(key->zsbuf_format)); 566dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("depth.func = %s\n", debug_dump_func(key->depth.func, TRUE)); 567dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("depth.writemask = %u\n", key->depth.writemask); 568dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell } 569dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if(key->alpha.enabled) { 570dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("alpha.func = %s\n", debug_dump_func(key->alpha.func, TRUE)); 571dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); 572dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell } 573dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if(key->blend.logicop_enable) { 574dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("blend.logicop_func = %u\n", key->blend.logicop_func); 575dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell } 576dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell else if(key->blend.blend_enable) { 577dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("blend.rgb_func = %s\n", debug_dump_blend_func (key->blend.rgb_func, TRUE)); 5782584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("rgb_src_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_src_factor, TRUE)); 5792584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("rgb_dst_factor = %s\n", debug_dump_blend_factor(key->blend.rgb_dst_factor, TRUE)); 5802584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha_func = %s\n", debug_dump_blend_func (key->blend.alpha_func, TRUE)); 5812584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha_src_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_src_factor, TRUE)); 5822584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("alpha_dst_factor = %s\n", debug_dump_blend_factor(key->blend.alpha_dst_factor, TRUE)); 583dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell } 584dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("blend.colormask = 0x%x\n", key->blend.colormask); 5852584c5bd253e53ba052356360a33b5ec976e9716José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) { 5862584c5bd253e53ba052356360a33b5ec976e9716José Fonseca if(key->sampler[i].format) { 5872584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf("sampler[%u] = \n", i); 5882584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .format = %s\n", 5892584c5bd253e53ba052356360a33b5ec976e9716José Fonseca pf_name(key->sampler[i].format)); 5902584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .target = %s\n", 5912584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_target(key->sampler[i].target, TRUE)); 5922584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .pot = %u %u %u\n", 5932584c5bd253e53ba052356360a33b5ec976e9716José Fonseca key->sampler[i].pot_width, 5942584c5bd253e53ba052356360a33b5ec976e9716José Fonseca key->sampler[i].pot_height, 5952584c5bd253e53ba052356360a33b5ec976e9716José Fonseca key->sampler[i].pot_depth); 5962584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .wrap = %s %s %s\n", 5972584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_wrap(key->sampler[i].wrap_s, TRUE), 5982584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_wrap(key->sampler[i].wrap_t, TRUE), 5992584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_wrap(key->sampler[i].wrap_r, TRUE)); 6002584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .min_img_filter = %s\n", 6012584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_filter(key->sampler[i].min_img_filter, TRUE)); 6022584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .min_mip_filter = %s\n", 6032584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_mipfilter(key->sampler[i].min_mip_filter, TRUE)); 6042584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .mag_img_filter = %s\n", 6052584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_dump_tex_filter(key->sampler[i].mag_img_filter, TRUE)); 6064e014c0a148ba3ac015d0e83dcf975ca6e814e1fMichal Krol if(key->sampler[i].compare_mode != PIPE_TEX_COMPARE_NONE) 6074e014c0a148ba3ac015d0e83dcf975ca6e814e1fMichal Krol debug_printf(" .compare_func = %s\n", debug_dump_func(key->sampler[i].compare_func, TRUE)); 6082584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .normalized_coords = %u\n", key->sampler[i].normalized_coords); 6092584c5bd253e53ba052356360a33b5ec976e9716José Fonseca debug_printf(" .prefilter = %u\n", key->sampler[i].prefilter); 6102584c5bd253e53ba052356360a33b5ec976e9716José Fonseca } 6115fcb75758c50bd10e8bd730e55bcbf73614eeb60José Fonseca } 61298971802798354cdba45c421cc340ec938143e03José Fonseca } 6139ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6149ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = CALLOC_STRUCT(lp_fragment_shader_variant); 6159ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(!variant) 6169ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 6179ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6189ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->shader = shader; 619e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca memcpy(&variant->key, key, sizeof *key); 6209ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 6215811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* TODO: actually pick these based on the fs and color buffer 6225811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * characteristics. */ 6235811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 624b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&fs_type, 0, sizeof fs_type); 62598971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.floating = TRUE; /* floating point values */ 62698971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.sign = TRUE; /* values are signed */ 62798971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ 62898971802798354cdba45c421cc340ec938143e03José Fonseca fs_type.width = 32; /* 32-bit float */ 629866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul fs_type.length = 4; /* 4 elements per vector */ 630866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul num_fs = 4; /* number of quads per block */ 63173af91e938eb27b001404f11195fb06ff9b08903José Fonseca 632b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca memset(&blend_type, 0, sizeof blend_type); 63398971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.floating = FALSE; /* values are integers */ 63498971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.sign = FALSE; /* values are unsigned */ 63598971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.norm = TRUE; /* values are in [0,1] or [-1,1] */ 63698971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.width = 8; /* 8-bit ubyte values */ 63798971802798354cdba45c421cc340ec938143e03José Fonseca blend_type.length = 16; /* 16 elements per vector */ 63898971802798354cdba45c421cc340ec938143e03José Fonseca 6395811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 6405811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Generate the function prototype. Any change here must be reflected in 64108dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca * lp_jit.h's lp_jit_frag_func function pointer type, and vice-versa. 6425811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 6435811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 64498971802798354cdba45c421cc340ec938143e03José Fonseca fs_elem_type = lp_build_elem_type(fs_type); 64598971802798354cdba45c421cc340ec938143e03José Fonseca fs_vec_type = lp_build_vec_type(fs_type); 64698971802798354cdba45c421cc340ec938143e03José Fonseca fs_int_vec_type = lp_build_int_vec_type(fs_type); 64798971802798354cdba45c421cc340ec938143e03José Fonseca 64898971802798354cdba45c421cc340ec938143e03José Fonseca blend_vec_type = lp_build_vec_type(blend_type); 64998971802798354cdba45c421cc340ec938143e03José Fonseca blend_int_vec_type = lp_build_int_vec_type(blend_type); 65073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 651c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[0] = screen->context_ptr_type; /* context */ 652c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[1] = LLVMInt32Type(); /* x */ 653c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[2] = LLVMInt32Type(); /* y */ 654c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[3] = LLVMPointerType(fs_elem_type, 0); /* a0 */ 655c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[4] = LLVMPointerType(fs_elem_type, 0); /* dadx */ 656c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca arg_types[5] = LLVMPointerType(fs_elem_type, 0); /* dady */ 657c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell arg_types[6] = LLVMPointerType(LLVMPointerType(blend_vec_type, 0), 0); /* color */ 658ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[7] = LLVMPointerType(fs_int_vec_type, 0); /* depth */ 659ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[8] = LLVMInt32Type(); /* c0 */ 660ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[9] = LLVMInt32Type(); /* c1 */ 661ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[10] = LLVMInt32Type(); /* c2 */ 662ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul /* Note: the step arrays are built as int32[16] but we interpret 663ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul * them here as int32_vec4[4]. 664ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul */ 665ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[11] = LLVMPointerType(int32_vec4_type, 0);/* step0 */ 666ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[12] = LLVMPointerType(int32_vec4_type, 0);/* step1 */ 667ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul arg_types[13] = LLVMPointerType(int32_vec4_type, 0);/* step2 */ 66873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 66973af91e938eb27b001404f11195fb06ff9b08903José Fonseca func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); 67073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 6719ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->function = LLVMAddFunction(screen->module, "shader", func_type); 6729ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMSetFunctionCallConv(variant->function, LLVMCCallConv); 673c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 674c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* XXX: need to propagate noalias down into color param now we are 675c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * passing a pointer-to-pointer? 676c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 677a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3dJosé Fonseca for(i = 0; i < Elements(arg_types); ++i) 6787c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) 6799ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMAddAttribute(LLVMGetParam(variant->function, i), LLVMNoAliasAttribute); 6809ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 681c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca context_ptr = LLVMGetParam(variant->function, 0); 682c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca x = LLVMGetParam(variant->function, 1); 683c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca y = LLVMGetParam(variant->function, 2); 684c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca a0_ptr = LLVMGetParam(variant->function, 3); 685c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca dadx_ptr = LLVMGetParam(variant->function, 4); 686c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca dady_ptr = LLVMGetParam(variant->function, 5); 687c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr_ptr = LLVMGetParam(variant->function, 6); 688ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr = LLVMGetParam(variant->function, 7); 689ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0 = LLVMGetParam(variant->function, 8); 690ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c1 = LLVMGetParam(variant->function, 9); 691ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c2 = LLVMGetParam(variant->function, 10); 692ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul step0_ptr = LLVMGetParam(variant->function, 11); 693ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul step1_ptr = LLVMGetParam(variant->function, 12); 694ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul step2_ptr = LLVMGetParam(variant->function, 13); 6957c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca 696c022e15d1e56ba3a9c6b74eef6556d6063e2e322José Fonseca lp_build_name(context_ptr, "context"); 6977c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(x, "x"); 6987c2dc3faa8e8ba99e29fcc09e7db39fc49d73200José Fonseca lp_build_name(y, "y"); 6995999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(a0_ptr, "a0"); 7005999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dadx_ptr, "dadx"); 7015999ebfb69a47fa12d1f534871ea01a3f889f62fJosé Fonseca lp_build_name(dady_ptr, "dady"); 702c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr_ptr, "color_ptr"); 70339352b34438affc36ce22852bb55359d304a522cJosé Fonseca lp_build_name(depth_ptr, "depth"); 704ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c0, "c0"); 705ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c1, "c1"); 706ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(c2, "c2"); 707ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step0_ptr, "step0"); 708ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step1_ptr, "step1"); 709ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul lp_build_name(step2_ptr, "step2"); 71073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7115811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca /* 7125811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca * Function body 7135811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 7145811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 7159ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca block = LLVMAppendBasicBlock(variant->function, "entry"); 71673af91e938eb27b001404f11195fb06ff9b08903José Fonseca builder = LLVMCreateBuilder(); 71773af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMPositionBuilderAtEnd(builder, block); 71873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 719f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca generate_pos0(builder, x, y, &x0, &y0); 720f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 721f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca lp_build_interp_soa_init(&interp, shader->base.tokens, builder, fs_type, 722f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca a0_ptr, dadx_ptr, dady_ptr, 723866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul x0, y0); 724f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca 725e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca /* code generated texture sampling */ 726e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); 727c40eddd294abfe8af3619d08ccd7e9c8f1660fcbJosé Fonseca 728866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul /* loop over quads in the block */ 72998971802798354cdba45c421cc340ec938143e03José Fonseca for(i = 0; i < num_fs; ++i) { 73098971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); 731c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef out_color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS]; 73298971802798354cdba45c421cc340ec938143e03José Fonseca LLVMValueRef depth_ptr_i; 733c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell int cbuf; 73498971802798354cdba45c421cc340ec938143e03José Fonseca 735f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca if(i != 0) 736866e6856d39efe9b1ec739587f420a640ad8618eBrian Paul lp_build_interp_soa_update(&interp, i); 73798971802798354cdba45c421cc340ec938143e03José Fonseca 73898971802798354cdba45c421cc340ec938143e03José Fonseca depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); 73998971802798354cdba45c421cc340ec938143e03José Fonseca 740635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca generate_fs(lp, shader, key, 74198971802798354cdba45c421cc340ec938143e03José Fonseca builder, 74298971802798354cdba45c421cc340ec938143e03José Fonseca fs_type, 743635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca context_ptr, 74498971802798354cdba45c421cc340ec938143e03José Fonseca i, 745f85c5f8621382ba1c8baa1582d87b46b388258d2José Fonseca &interp, 7468be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler, 747ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul &fs_mask[i], /* output */ 74898971802798354cdba45c421cc340ec938143e03José Fonseca out_color, 749ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul depth_ptr_i, 750ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul c0, c1, c2, 751ab9438193083b7f9a3180cb9cea45e269131048aBrian Paul step0_ptr, step1_ptr, step2_ptr); 75298971802798354cdba45c421cc340ec938143e03José Fonseca 753c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) 754c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) 755c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; 75698971802798354cdba45c421cc340ec938143e03José Fonseca } 75739352b34438affc36ce22852bb55359d304a522cJosé Fonseca 7588be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca sampler->destroy(sampler); 7598be72bb7646d430e66cb36e09c13c13bee030d53José Fonseca 760c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* Loop over color outputs / color buffers to do blending. 7615811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca */ 762c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) { 763c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef color_ptr; 764c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), cbuf, 0); 7655811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 766c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 767c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Convert the fs's output color and mask to fit to the blending type. 768c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 769c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for(chan = 0; chan < NUM_CHANNELS; ++chan) { 770c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv(builder, fs_type, blend_type, 771c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_out_color[cbuf][chan], num_fs, 772c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_in_color[chan], 1); 773c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]); 774c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 775635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 776c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_conv_mask(builder, fs_type, blend_type, 777c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell fs_mask, num_fs, 778c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell &blend_mask, 1); 779c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 780c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr = LLVMBuildLoad(builder, 781c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell LLVMBuildGEP(builder, color_ptr_ptr, &index, 1, ""), 782c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell ""); 783c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell lp_build_name(color_ptr, "color_ptr%d", cbuf); 784c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 785c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* 786c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Blending. 787c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 788c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell generate_blend(&key->blend, 789c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell builder, 790c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_type, 791c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell context_ptr, 792c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_mask, 793c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell blend_in_color, 794c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell color_ptr); 79573af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 79673af91e938eb27b001404f11195fb06ff9b08903José Fonseca 7975811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca LLVMBuildRetVoid(builder); 79873af91e938eb27b001404f11195fb06ff9b08903José Fonseca 79973af91e938eb27b001404f11195fb06ff9b08903José Fonseca LLVMDisposeBuilder(builder); 800946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 8015811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonseca 802f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Verify the LLVM IR. If invalid, dump and abort */ 8034ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#ifdef DEBUG 804a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca if(LLVMVerifyFunction(variant->function, LLVMPrintMessageAction)) { 805f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 806f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMDumpValue(variant->function); 807f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul abort(); 808a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca } 8094ae3e88dc9856f2f32c37dd04a3321765ed61e07José Fonseca#endif 810a02ecdf8c2fc5783a4bc82e8cd9d36f0dec7ccecJosé Fonseca 811f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Apply optimizations to LLVM IR */ 812f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul if (1) 813f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul LLVMRunFunctionPassManager(screen->pass, variant->function); 81473af91e938eb27b001404f11195fb06ff9b08903José Fonseca 815dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if (LP_DEBUG & DEBUG_JIT) { 816f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* Print the LLVM IR to stderr */ 817dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell LLVMDumpValue(variant->function); 818dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell debug_printf("\n"); 819dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell } 82073af91e938eb27b001404f11195fb06ff9b08903José Fonseca 821f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul /* 822f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul * Translate the LLVM IR into machine code. 823f4321fbd961a0a891c7f40b16efc61aa791e03a9Brian Paul */ 82408dd41fd6899bd6b3289d30dc31f8b2998406889José Fonseca variant->jit_function = (lp_jit_frag_func)LLVMGetPointerToGlobal(screen->engine, variant->function); 82573af91e938eb27b001404f11195fb06ff9b08903José Fonseca 826dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell if (LP_DEBUG & DEBUG_ASM) 827dec35d04aeb398eef159aaf8cde5e0d04622b811Keith Whitwell lp_disassemble(variant->jit_function); 828818d444e12bb57568fbf3bf5f06ee24c6c73a61aJosé Fonseca 8299ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant->next = shader->variants; 8309ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->variants = variant; 8319ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return variant; 8339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 8349ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8359ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8369ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecavoid * 8379ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonsecallvmpipe_create_fs_state(struct pipe_context *pipe, 8389ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca const struct pipe_shader_state *templ) 8399ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 8409ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader; 8419ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8429ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader = CALLOC_STRUCT(lp_fragment_shader); 8439ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if (!shader) 8449ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca return NULL; 8459ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8469ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* get/save the summary info for this shader */ 8479ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca tgsi_scan_shader(templ->tokens, &shader->info); 8489ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8499ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca /* we need to keep a local copy of the tokens */ 8509ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->base.tokens = tgsi_dup_tokens(templ->tokens); 8519ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 85273af91e938eb27b001404f11195fb06ff9b08903José Fonseca return shader; 853946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 854946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 855946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 856946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 857946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) 858946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 859946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 860946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 861080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca if (llvmpipe->fs == fs) 862080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca return; 863080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 864080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 865080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca 866080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca llvmpipe->fs = fs; 867946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 868c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_FS; 869946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 870946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 871946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 872946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 873946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) 874946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 875e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 876e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); 87773af91e938eb27b001404f11195fb06ff9b08903José Fonseca struct lp_fragment_shader *shader = fs; 8789ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 879946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 880e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca assert(fs != llvmpipe->fs); 88131d1822473bf9d4105bb82b67572cfeea53aaf94Vinson Lee (void) llvmpipe; 8829ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8839ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 8849ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 8859ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *next = variant->next; 8869ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8879ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(variant->function) { 8889ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(variant->jit_function) 8899ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMFreeMachineCodeForFunction(screen->engine, variant->function); 8909ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca LLVMDeleteFunction(variant->function); 8919ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 8929ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8939ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca FREE(variant); 8949ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 8959ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = next; 89673af91e938eb27b001404f11195fb06ff9b08903José Fonseca } 89773af91e938eb27b001404f11195fb06ff9b08903José Fonseca 89873af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE((void *) shader->base.tokens); 89973af91e938eb27b001404f11195fb06ff9b08903José Fonseca FREE(shader); 900946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 901946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 902946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 903946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 904946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecavoid 905946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonsecallvmpipe_set_constant_buffer(struct pipe_context *pipe, 906946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca uint shader, uint index, 907c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca const struct pipe_constant_buffer *constants) 908946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca{ 909946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 910c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca struct pipe_buffer *buffer = constants ? constants->buffer : NULL; 911c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca unsigned size = buffer ? buffer->size : 0; 912c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca const void *data = buffer ? llvmpipe_buffer(buffer)->data : NULL; 913946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 914946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(shader < PIPE_SHADER_TYPES); 915946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca assert(index == 0); 916946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 917d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca if(llvmpipe->constants[shader].buffer == buffer) 918d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca return; 919d904ed88c1d957f662497343de7dc3e9fa743e47José Fonseca 920080703e398f737b71336312fd3dc8d6f38f61e51José Fonseca draw_flush(llvmpipe->draw); 921c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 922946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca /* note: reference counting */ 923c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca pipe_buffer_reference(&llvmpipe->constants[shader].buffer, buffer); 924c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca 925c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca if(shader == PIPE_SHADER_VERTEX) { 92689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw_set_mapped_constant_buffer(llvmpipe->draw, PIPE_SHADER_VERTEX, 92789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin data, size); 928c4d54b62f5491dbec9930563209639f8fb7dcf2eJosé Fonseca } 929946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca 930c9a5930fe45a0a0299769bd2b672ca516d1bf39eJosé Fonseca llvmpipe->dirty |= LP_NEW_CONSTANTS; 931946f432a08112148d743eb9faf6b27bb8cc7fa76José Fonseca} 9329ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 9339ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 934635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca/** 935635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * We need to generate several variants of the fragment pipeline to match 936635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * all the combinations of the contributing state atoms. 937635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * 938635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * TODO: there is actually no reason to tie this to context state -- the 939635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca * generated code could be cached globally in the screen. 940635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca */ 941635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecastatic void 942635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonsecamake_variant_key(struct llvmpipe_context *lp, 943e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca struct lp_fragment_shader *shader, 944635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca struct lp_fragment_shader_variant_key *key) 945635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca{ 946e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca unsigned i; 947e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 948635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca memset(key, 0, sizeof *key); 949635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 950cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca if(lp->framebuffer.zsbuf && 951cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca lp->depth_stencil->depth.enabled) { 952cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca key->zsbuf_format = lp->framebuffer.zsbuf->format; 953cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); 954cdbbcdf3bdb114d79cf7b9474436c3d26b135592José Fonseca } 955635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 956635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.enabled = lp->depth_stencil->alpha.enabled; 957635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca if(key->alpha.enabled) 958635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca key->alpha.func = lp->depth_stencil->alpha.func; 959635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca /* alpha.ref_value is passed in jit_context */ 960635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 961c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if (lp->framebuffer.nr_cbufs) { 962c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell memcpy(&key->blend, lp->blend, sizeof key->blend); 963c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell } 964c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 965c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->nr_cbufs = lp->framebuffer.nr_cbufs; 966c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { 9674c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca const struct util_format_description *format_desc; 9684c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca unsigned chan; 9694c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 970c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell format_desc = util_format_description(lp->framebuffer.cbufs[i]->format); 9714c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca assert(format_desc->layout == UTIL_FORMAT_COLORSPACE_RGB || 9724c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca format_desc->layout == UTIL_FORMAT_COLORSPACE_SRGB); 9734c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca 974c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell /* mask out color channels not present in the color buffer. 975c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell * Should be simple to incorporate per-cbuf writemasks: 976c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell */ 9774c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca for(chan = 0; chan < 4; ++chan) { 9784c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca enum util_format_swizzle swizzle = format_desc->swizzle[chan]; 979c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell 980c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell if(swizzle <= UTIL_FORMAT_SWIZZLE_W) 981c1a04416023e24621e4992caf593e8dfe8d7a2fcKeith Whitwell key->cbuf_blend[i].colormask |= (1 << chan); 9824c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 9834c3a48ad0cb36e6d8601535b91f83caed0d07570José Fonseca } 984e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca 985e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) 986e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) 987e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca lp_sampler_static_state(&key->sampler[i], lp->texture[i], lp->sampler[i]); 988635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca} 989635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 990635c37e118bbf51fc8c93a2c999281ee817a93e1José Fonseca 9915811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecavoid 9925811ed87d732101ab8cfbd087bc99d8c6c963f30José Fonsecallvmpipe_update_fs(struct llvmpipe_context *lp) 9939ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca{ 9949ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader *shader = lp->fs; 995e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca struct lp_fragment_shader_variant_key key; 9969ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca struct lp_fragment_shader_variant *variant; 9979ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 998e4c76c02f77ed6e86537b546f4200f8f8132d114José Fonseca make_variant_key(lp, shader, &key); 999e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca 10009ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = shader->variants; 10019ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca while(variant) { 1002e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6José Fonseca if(memcmp(&variant->key, &key, sizeof key) == 0) 10039ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca break; 10049ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10059ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca variant = variant->next; 10069ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca } 10079ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10089ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca if(!variant) 100998971802798354cdba45c421cc340ec938143e03José Fonseca variant = generate_fragment(lp, shader, &key); 10109ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca 10119ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca shader->current = variant; 101285999695829823e459e11822b4846ed1db5c055dJosé Fonseca 10135ce0380a0f585b9e1fb616b749f7fd18a8afada1Keith Whitwell lp_setup_set_fs_function(lp->setup, 10145ce0380a0f585b9e1fb616b749f7fd18a8afada1Keith Whitwell shader->current->jit_function); 10159ae47069b4a2b67e381b02d805f1ca74f31ea7b8José Fonseca} 1016