/**************************************************************************** * Copyright (C) 2015 Intel Corporation. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. ***************************************************************************/ #include "JitManager.h" #include "state.h" #include "state_llvm.h" #include "builder.h" #include "llvm-c/Core.h" #include "llvm/Support/CBindingWrapping.h" #include "tgsi/tgsi_strings.h" #include "gallivm/lp_bld_init.h" #include "gallivm/lp_bld_flow.h" #include "gallivm/lp_bld_struct.h" #include "gallivm/lp_bld_tgsi.h" #include "swr_context.h" #include "swr_context_llvm.h" #include "swr_state.h" #include "swr_screen.h" bool operator==(const swr_jit_fs_key &lhs, const swr_jit_fs_key &rhs) { return !memcmp(&lhs, &rhs, sizeof(lhs)); } bool operator==(const swr_jit_vs_key &lhs, const swr_jit_vs_key &rhs) { return !memcmp(&lhs, &rhs, sizeof(lhs)); } static void swr_generate_sampler_key(const struct lp_tgsi_info &info, struct swr_context *ctx, unsigned shader_type, struct swr_jit_sampler_key &key) { key.nr_samplers = info.base.file_max[TGSI_FILE_SAMPLER] + 1; for (unsigned i = 0; i < key.nr_samplers; i++) { if (info.base.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) { lp_sampler_static_sampler_state( &key.sampler[i].sampler_state, ctx->samplers[shader_type][i]); } } /* * XXX If TGSI_FILE_SAMPLER_VIEW exists assume all texture opcodes * are dx10-style? Can't really have mixed opcodes, at least not * if we want to skip the holes here (without rescanning tgsi). */ if (info.base.file_max[TGSI_FILE_SAMPLER_VIEW] != -1) { key.nr_sampler_views = info.base.file_max[TGSI_FILE_SAMPLER_VIEW] + 1; for (unsigned i = 0; i < key.nr_sampler_views; i++) { if (info.base.file_mask[TGSI_FILE_SAMPLER_VIEW] & (1 << i)) { lp_sampler_static_texture_state( &key.sampler[i].texture_state, ctx->sampler_views[shader_type][i]); } } } else { key.nr_sampler_views = key.nr_samplers; for (unsigned i = 0; i < key.nr_sampler_views; i++) { if (info.base.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) { lp_sampler_static_texture_state( &key.sampler[i].texture_state, ctx->sampler_views[shader_type][i]); } } } } void swr_generate_fs_key(struct swr_jit_fs_key &key, struct swr_context *ctx, swr_fragment_shader *swr_fs) { memset(&key, 0, sizeof(key)); key.nr_cbufs = ctx->framebuffer.nr_cbufs; key.light_twoside = ctx->rasterizer->light_twoside; key.flatshade = ctx->rasterizer->flatshade; memcpy(&key.vs_output_semantic_name, &ctx->vs->info.base.output_semantic_name, sizeof(key.vs_output_semantic_name)); memcpy(&key.vs_output_semantic_idx, &ctx->vs->info.base.output_semantic_index, sizeof(key.vs_output_semantic_idx)); swr_generate_sampler_key(swr_fs->info, ctx, PIPE_SHADER_FRAGMENT, key); } void swr_generate_vs_key(struct swr_jit_vs_key &key, struct swr_context *ctx, swr_vertex_shader *swr_vs) { memset(&key, 0, sizeof(key)); swr_generate_sampler_key(swr_vs->info, ctx, PIPE_SHADER_VERTEX, key); } struct BuilderSWR : public Builder { BuilderSWR(JitManager *pJitMgr) : Builder(pJitMgr) { pJitMgr->SetupNewModule(); } PFN_VERTEX_FUNC CompileVS(struct swr_context *ctx, swr_jit_vs_key &key); PFN_PIXEL_KERNEL CompileFS(struct swr_context *ctx, swr_jit_fs_key &key); }; PFN_VERTEX_FUNC BuilderSWR::CompileVS(struct swr_context *ctx, swr_jit_vs_key &key) { struct swr_vertex_shader *swr_vs = ctx->vs; swr_vs->linkageMask = 0; for (unsigned i = 0; i < swr_vs->info.base.num_outputs; i++) { switch (swr_vs->info.base.output_semantic_name[i]) { case TGSI_SEMANTIC_POSITION: break; default: swr_vs->linkageMask |= (1 << i); break; } } // tgsi_dump(swr_vs->pipe.tokens, 0); struct gallivm_state *gallivm = gallivm_create("VS", wrap(&JM()->mContext)); gallivm->module = wrap(JM()->mpCurrentModule); LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS]; LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS]; memset(outputs, 0, sizeof(outputs)); AttrBuilder attrBuilder; attrBuilder.addStackAlignmentAttr(JM()->mVWidth * sizeof(float)); AttributeSet attrSet = AttributeSet::get( JM()->mContext, AttributeSet::FunctionIndex, attrBuilder); std::vector vsArgs{PointerType::get(Gen_swr_draw_context(JM()), 0), PointerType::get(Gen_SWR_VS_CONTEXT(JM()), 0)}; FunctionType *vsFuncType = FunctionType::get(Type::getVoidTy(JM()->mContext), vsArgs, false); // create new vertex shader function auto pFunction = Function::Create(vsFuncType, GlobalValue::ExternalLinkage, "VS", JM()->mpCurrentModule); pFunction->addAttributes(AttributeSet::FunctionIndex, attrSet); BasicBlock *block = BasicBlock::Create(JM()->mContext, "entry", pFunction); IRB()->SetInsertPoint(block); LLVMPositionBuilderAtEnd(gallivm->builder, wrap(block)); auto argitr = pFunction->arg_begin(); Value *hPrivateData = &*argitr++; hPrivateData->setName("hPrivateData"); Value *pVsCtx = &*argitr++; pVsCtx->setName("vsCtx"); Value *consts_ptr = GEP(hPrivateData, {C(0), C(swr_draw_context_constantVS)}); consts_ptr->setName("vs_constants"); Value *const_sizes_ptr = GEP(hPrivateData, {0, swr_draw_context_num_constantsVS}); const_sizes_ptr->setName("num_vs_constants"); Value *vtxInput = LOAD(pVsCtx, {0, SWR_VS_CONTEXT_pVin}); for (uint32_t attrib = 0; attrib < PIPE_MAX_SHADER_INPUTS; attrib++) { const unsigned mask = swr_vs->info.base.input_usage_mask[attrib]; for (uint32_t channel = 0; channel < TGSI_NUM_CHANNELS; channel++) { if (mask & (1 << channel)) { inputs[attrib][channel] = wrap(LOAD(vtxInput, {0, 0, attrib, channel})); } } } struct lp_build_sampler_soa *sampler = swr_sampler_soa_create(key.sampler, PIPE_SHADER_VERTEX); struct lp_bld_tgsi_system_values system_values; memset(&system_values, 0, sizeof(system_values)); system_values.instance_id = wrap(LOAD(pVsCtx, {0, SWR_VS_CONTEXT_InstanceID})); system_values.vertex_id = wrap(LOAD(pVsCtx, {0, SWR_VS_CONTEXT_VertexID})); lp_build_tgsi_soa(gallivm, swr_vs->pipe.tokens, lp_type_float_vec(32, 32 * 8), NULL, // mask wrap(consts_ptr), wrap(const_sizes_ptr), &system_values, inputs, outputs, wrap(hPrivateData), // (sampler context) NULL, // thread data sampler, // sampler &swr_vs->info.base, NULL); // geometry shader face IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); Value *vtxOutput = LOAD(pVsCtx, {0, SWR_VS_CONTEXT_pVout}); for (uint32_t channel = 0; channel < TGSI_NUM_CHANNELS; channel++) { for (uint32_t attrib = 0; attrib < PIPE_MAX_SHADER_OUTPUTS; attrib++) { if (!outputs[attrib][channel]) continue; Value *val = LOAD(unwrap(outputs[attrib][channel])); uint32_t outSlot = attrib; if (swr_vs->info.base.output_semantic_name[attrib] == TGSI_SEMANTIC_PSIZE) outSlot = VERTEX_POINT_SIZE_SLOT; STORE(val, vtxOutput, {0, 0, outSlot, channel}); } } RET_VOID(); gallivm_verify_function(gallivm, wrap(pFunction)); gallivm_compile_module(gallivm); // lp_debug_dump_value(func); PFN_VERTEX_FUNC pFunc = (PFN_VERTEX_FUNC)gallivm_jit_function(gallivm, wrap(pFunction)); debug_printf("vert shader %p\n", pFunc); assert(pFunc && "Error: VertShader = NULL"); #if (LLVM_VERSION_MAJOR == 3) && (LLVM_VERSION_MINOR >= 5) JM()->mIsModuleFinalized = true; #endif return pFunc; } PFN_VERTEX_FUNC swr_compile_vs(struct swr_context *ctx, swr_jit_vs_key &key) { BuilderSWR builder( reinterpret_cast(swr_screen(ctx->pipe.screen)->hJitMgr)); return builder.CompileVS(ctx, key); } static unsigned locate_linkage(ubyte name, ubyte index, struct tgsi_shader_info *info) { for (int i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) { if ((info->output_semantic_name[i] == name) && (info->output_semantic_index[i] == index)) { return i - 1; // position is not part of the linkage } } if (name == TGSI_SEMANTIC_COLOR) { // BCOLOR fallback for (int i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) { if ((info->output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) && (info->output_semantic_index[i] == index)) { return i - 1; // position is not part of the linkage } } } return 0xFFFFFFFF; } PFN_PIXEL_KERNEL BuilderSWR::CompileFS(struct swr_context *ctx, swr_jit_fs_key &key) { struct swr_fragment_shader *swr_fs = ctx->fs; // tgsi_dump(swr_fs->pipe.tokens, 0); struct gallivm_state *gallivm = gallivm_create("FS", wrap(&JM()->mContext)); gallivm->module = wrap(JM()->mpCurrentModule); LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS]; LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS]; memset(inputs, 0, sizeof(inputs)); memset(outputs, 0, sizeof(outputs)); struct lp_build_sampler_soa *sampler = NULL; AttrBuilder attrBuilder; attrBuilder.addStackAlignmentAttr(JM()->mVWidth * sizeof(float)); AttributeSet attrSet = AttributeSet::get( JM()->mContext, AttributeSet::FunctionIndex, attrBuilder); std::vector fsArgs{PointerType::get(Gen_swr_draw_context(JM()), 0), PointerType::get(Gen_SWR_PS_CONTEXT(JM()), 0)}; FunctionType *funcType = FunctionType::get(Type::getVoidTy(JM()->mContext), fsArgs, false); auto pFunction = Function::Create(funcType, GlobalValue::ExternalLinkage, "FS", JM()->mpCurrentModule); pFunction->addAttributes(AttributeSet::FunctionIndex, attrSet); BasicBlock *block = BasicBlock::Create(JM()->mContext, "entry", pFunction); IRB()->SetInsertPoint(block); LLVMPositionBuilderAtEnd(gallivm->builder, wrap(block)); auto args = pFunction->arg_begin(); Value *hPrivateData = &*args++; hPrivateData->setName("hPrivateData"); Value *pPS = &*args++; pPS->setName("psCtx"); Value *consts_ptr = GEP(hPrivateData, {0, swr_draw_context_constantFS}); consts_ptr->setName("fs_constants"); Value *const_sizes_ptr = GEP(hPrivateData, {0, swr_draw_context_num_constantsFS}); const_sizes_ptr->setName("num_fs_constants"); // xxx should check for flat shading versus interpolation // load *pAttribs, *pPerspAttribs Value *pRawAttribs = LOAD(pPS, {0, SWR_PS_CONTEXT_pAttribs}, "pRawAttribs"); Value *pPerspAttribs = LOAD(pPS, {0, SWR_PS_CONTEXT_pPerspAttribs}, "pPerspAttribs"); swr_fs->constantMask = 0; swr_fs->pointSpriteMask = 0; for (int attrib = 0; attrib < PIPE_MAX_SHADER_INPUTS; attrib++) { const unsigned mask = swr_fs->info.base.input_usage_mask[attrib]; const unsigned interpMode = swr_fs->info.base.input_interpolate[attrib]; const unsigned interpLoc = swr_fs->info.base.input_interpolate_loc[attrib]; if (!mask) continue; // load i,j Value *vi = nullptr, *vj = nullptr; switch (interpLoc) { case TGSI_INTERPOLATE_LOC_CENTER: vi = LOAD(pPS, {0, SWR_PS_CONTEXT_vI, PixelPositions_center}, "i"); vj = LOAD(pPS, {0, SWR_PS_CONTEXT_vJ, PixelPositions_center}, "j"); break; case TGSI_INTERPOLATE_LOC_CENTROID: vi = LOAD(pPS, {0, SWR_PS_CONTEXT_vI, PixelPositions_centroid}, "i"); vj = LOAD(pPS, {0, SWR_PS_CONTEXT_vJ, PixelPositions_centroid}, "j"); break; case TGSI_INTERPOLATE_LOC_SAMPLE: vi = LOAD(pPS, {0, SWR_PS_CONTEXT_vI, PixelPositions_sample}, "i"); vj = LOAD(pPS, {0, SWR_PS_CONTEXT_vJ, PixelPositions_sample}, "j"); break; } // load/compute w Value *vw = nullptr, *pAttribs; if (interpMode == TGSI_INTERPOLATE_PERSPECTIVE) { pAttribs = pPerspAttribs; switch (interpLoc) { case TGSI_INTERPOLATE_LOC_CENTER: vw = VRCP(LOAD(pPS, {0, SWR_PS_CONTEXT_vOneOverW, PixelPositions_center})); break; case TGSI_INTERPOLATE_LOC_CENTROID: vw = VRCP(LOAD(pPS, {0, SWR_PS_CONTEXT_vOneOverW, PixelPositions_centroid})); break; case TGSI_INTERPOLATE_LOC_SAMPLE: vw = VRCP(LOAD(pPS, {0, SWR_PS_CONTEXT_vOneOverW, PixelPositions_sample})); break; } } else { pAttribs = pRawAttribs; vw = VIMMED1(1.f); } vw->setName("w"); ubyte semantic_name = swr_fs->info.base.input_semantic_name[attrib]; ubyte semantic_idx = swr_fs->info.base.input_semantic_index[attrib]; if (semantic_name == TGSI_SEMANTIC_FACE) { Value *ff = UI_TO_FP(LOAD(pPS, {0, SWR_PS_CONTEXT_frontFace}), mFP32Ty); ff = FSUB(FMUL(ff, C(2.0f)), C(1.0f)); ff = VECTOR_SPLAT(JM()->mVWidth, ff, "vFrontFace"); inputs[attrib][0] = wrap(ff); inputs[attrib][1] = wrap(VIMMED1(0.0f)); inputs[attrib][2] = wrap(VIMMED1(0.0f)); inputs[attrib][3] = wrap(VIMMED1(1.0f)); continue; } else if (semantic_name == TGSI_SEMANTIC_POSITION) { // gl_FragCoord inputs[attrib][0] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vX, PixelPositions_center}, "vX")); inputs[attrib][1] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vY, PixelPositions_center}, "vY")); inputs[attrib][2] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vZ}, "vZ")); inputs[attrib][3] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vOneOverW, PixelPositions_center}, "vOneOverW")); continue; } else if (semantic_name == TGSI_SEMANTIC_PRIMID) { Value *primID = LOAD(pPS, {0, SWR_PS_CONTEXT_primID}, "primID"); inputs[attrib][0] = wrap(VECTOR_SPLAT(JM()->mVWidth, primID)); inputs[attrib][1] = wrap(VIMMED1(0)); inputs[attrib][2] = wrap(VIMMED1(0)); inputs[attrib][3] = wrap(VIMMED1(0)); continue; } unsigned linkedAttrib = locate_linkage(semantic_name, semantic_idx, &ctx->vs->info.base); if (linkedAttrib == 0xFFFFFFFF) { // not found - check for point sprite if (ctx->rasterizer->sprite_coord_enable) { linkedAttrib = ctx->vs->info.base.num_outputs - 1; swr_fs->pointSpriteMask |= (1 << linkedAttrib); } else { fprintf(stderr, "Missing %s[%d]\n", tgsi_semantic_names[semantic_name], semantic_idx); assert(0 && "attribute linkage not found"); } } if (interpMode == TGSI_INTERPOLATE_CONSTANT) { swr_fs->constantMask |= 1 << linkedAttrib; } for (int channel = 0; channel < TGSI_NUM_CHANNELS; channel++) { if (mask & (1 << channel)) { Value *indexA = C(linkedAttrib * 12 + channel); Value *indexB = C(linkedAttrib * 12 + channel + 4); Value *indexC = C(linkedAttrib * 12 + channel + 8); if ((semantic_name == TGSI_SEMANTIC_COLOR) && ctx->rasterizer->light_twoside) { unsigned bcolorAttrib = locate_linkage( TGSI_SEMANTIC_BCOLOR, semantic_idx, &ctx->vs->info.base); unsigned diff = 12 * (bcolorAttrib - linkedAttrib); Value *back = XOR(C(1), LOAD(pPS, {0, SWR_PS_CONTEXT_frontFace}), "backFace"); Value *offset = MUL(back, C(diff)); offset->setName("offset"); indexA = ADD(indexA, offset); indexB = ADD(indexB, offset); indexC = ADD(indexC, offset); if (interpMode == TGSI_INTERPOLATE_CONSTANT) { swr_fs->constantMask |= 1 << bcolorAttrib; } } Value *va = VBROADCAST(LOAD(GEP(pAttribs, indexA))); Value *vb = VBROADCAST(LOAD(GEP(pAttribs, indexB))); Value *vc = VBROADCAST(LOAD(GEP(pAttribs, indexC))); if (interpMode == TGSI_INTERPOLATE_CONSTANT) { inputs[attrib][channel] = wrap(va); } else if ((interpMode == TGSI_INTERPOLATE_COLOR) && (key.flatshade == true)) { inputs[attrib][channel] = wrap(vc); } else { Value *vk = FSUB(FSUB(VIMMED1(1.0f), vi), vj); vc = FMUL(vk, vc); Value *interp = FMUL(va, vi); Value *interp1 = FMUL(vb, vj); interp = FADD(interp, interp1); interp = FADD(interp, vc); if (interpMode == TGSI_INTERPOLATE_PERSPECTIVE) interp = FMUL(interp, vw); inputs[attrib][channel] = wrap(interp); } } } } sampler = swr_sampler_soa_create(key.sampler, PIPE_SHADER_FRAGMENT); struct lp_bld_tgsi_system_values system_values; memset(&system_values, 0, sizeof(system_values)); struct lp_build_mask_context mask; if (swr_fs->info.base.uses_kill) { Value *mask_val = LOAD(pPS, {0, SWR_PS_CONTEXT_activeMask}, "activeMask"); lp_build_mask_begin( &mask, gallivm, lp_type_float_vec(32, 32 * 8), wrap(mask_val)); } lp_build_tgsi_soa(gallivm, swr_fs->pipe.tokens, lp_type_float_vec(32, 32 * 8), swr_fs->info.base.uses_kill ? &mask : NULL, // mask wrap(consts_ptr), wrap(const_sizes_ptr), &system_values, inputs, outputs, wrap(hPrivateData), NULL, // thread data sampler, // sampler &swr_fs->info.base, NULL); // geometry shader face IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); for (uint32_t attrib = 0; attrib < swr_fs->info.base.num_outputs; attrib++) { switch (swr_fs->info.base.output_semantic_name[attrib]) { case TGSI_SEMANTIC_POSITION: { // write z LLVMValueRef outZ = LLVMBuildLoad(gallivm->builder, outputs[attrib][2], ""); STORE(unwrap(outZ), pPS, {0, SWR_PS_CONTEXT_vZ}); break; } case TGSI_SEMANTIC_COLOR: { for (uint32_t channel = 0; channel < TGSI_NUM_CHANNELS; channel++) { if (!outputs[attrib][channel]) continue; LLVMValueRef out = LLVMBuildLoad(gallivm->builder, outputs[attrib][channel], ""); if (swr_fs->info.base.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS]) { for (uint32_t rt = 0; rt < key.nr_cbufs; rt++) { STORE(unwrap(out), pPS, {0, SWR_PS_CONTEXT_shaded, rt, channel}); } } else { STORE(unwrap(out), pPS, {0, SWR_PS_CONTEXT_shaded, swr_fs->info.base.output_semantic_index[attrib], channel}); } } break; } default: { fprintf(stderr, "unknown output from FS %s[%d]\n", tgsi_semantic_names[swr_fs->info.base .output_semantic_name[attrib]], swr_fs->info.base.output_semantic_index[attrib]); break; } } } LLVMValueRef mask_result = 0; if (swr_fs->info.base.uses_kill) { mask_result = lp_build_mask_end(&mask); } IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); if (swr_fs->info.base.uses_kill) { STORE(unwrap(mask_result), pPS, {0, SWR_PS_CONTEXT_activeMask}); } RET_VOID(); gallivm_verify_function(gallivm, wrap(pFunction)); gallivm_compile_module(gallivm); PFN_PIXEL_KERNEL kernel = (PFN_PIXEL_KERNEL)gallivm_jit_function(gallivm, wrap(pFunction)); debug_printf("frag shader %p\n", kernel); assert(kernel && "Error: FragShader = NULL"); #if (LLVM_VERSION_MAJOR == 3) && (LLVM_VERSION_MINOR >= 5) JM()->mIsModuleFinalized = true; #endif return kernel; } PFN_PIXEL_KERNEL swr_compile_fs(struct swr_context *ctx, swr_jit_fs_key &key) { BuilderSWR builder( reinterpret_cast(swr_screen(ctx->pipe.screen)->hJitMgr)); return builder.CompileFS(ctx, key); }