| /**************************************************************************** |
| * 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. |
| ***************************************************************************/ |
| |
| // llvm redefines DEBUG |
| #pragma push_macro("DEBUG") |
| #undef DEBUG |
| #include "JitManager.h" |
| #include "llvm-c/Core.h" |
| #include "llvm/Support/CBindingWrapping.h" |
| #pragma pop_macro("DEBUG") |
| |
| #include "state.h" |
| #include "gen_state_llvm.h" |
| #include "builder.h" |
| |
| #include "tgsi/tgsi_strings.h" |
| #include "util/u_format.h" |
| #include "util/u_prim.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 "gen_swr_context_llvm.h" |
| #include "swr_resource.h" |
| #include "swr_state.h" |
| #include "swr_screen.h" |
| |
| using namespace SwrJit; |
| using namespace llvm; |
| |
| static unsigned |
| locate_linkage(ubyte name, ubyte index, struct tgsi_shader_info *info); |
| |
| 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)); |
| } |
| |
| bool operator==(const swr_jit_fetch_key &lhs, const swr_jit_fetch_key &rhs) |
| { |
| return !memcmp(&lhs, &rhs, sizeof(lhs)); |
| } |
| |
| bool operator==(const swr_jit_gs_key &lhs, const swr_jit_gs_key &rhs) |
| { |
| return !memcmp(&lhs, &rhs, sizeof(lhs)); |
| } |
| |
| static void |
| swr_generate_sampler_key(const struct lp_tgsi_info &info, |
| struct swr_context *ctx, |
| enum pipe_shader_type 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)) { |
| const struct pipe_sampler_view *view = |
| ctx->sampler_views[shader_type][i]; |
| lp_sampler_static_texture_state( |
| &key.sampler[i].texture_state, view); |
| if (view) { |
| struct swr_resource *swr_res = swr_resource(view->texture); |
| const struct util_format_description *desc = |
| util_format_description(view->format); |
| if (swr_res->has_depth && swr_res->has_stencil && |
| !util_format_has_depth(desc)) |
| key.sampler[i].texture_state.format = PIPE_FORMAT_S8_UINT; |
| } |
| } |
| } |
| } 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)) { |
| const struct pipe_sampler_view *view = |
| ctx->sampler_views[shader_type][i]; |
| lp_sampler_static_texture_state( |
| &key.sampler[i].texture_state, view); |
| if (view) { |
| struct swr_resource *swr_res = swr_resource(view->texture); |
| const struct util_format_description *desc = |
| util_format_description(view->format); |
| if (swr_res->has_depth && swr_res->has_stencil && |
| !util_format_has_depth(desc)) |
| key.sampler[i].texture_state.format = PIPE_FORMAT_S8_UINT; |
| } |
| } |
| } |
| } |
| } |
| |
| 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.sprite_coord_enable = ctx->rasterizer->sprite_coord_enable; |
| |
| struct tgsi_shader_info *pPrevShader; |
| if (ctx->gs) |
| pPrevShader = &ctx->gs->info.base; |
| else |
| pPrevShader = &ctx->vs->info.base; |
| |
| memcpy(&key.vs_output_semantic_name, |
| &pPrevShader->output_semantic_name, |
| sizeof(key.vs_output_semantic_name)); |
| memcpy(&key.vs_output_semantic_idx, |
| &pPrevShader->output_semantic_index, |
| sizeof(key.vs_output_semantic_idx)); |
| |
| swr_generate_sampler_key(swr_fs->info, ctx, PIPE_SHADER_FRAGMENT, key); |
| |
| key.poly_stipple_enable = ctx->rasterizer->poly_stipple_enable && |
| ctx->poly_stipple.prim_is_poly; |
| } |
| |
| 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)); |
| |
| key.clip_plane_mask = |
| swr_vs->info.base.clipdist_writemask ? |
| swr_vs->info.base.clipdist_writemask & ctx->rasterizer->clip_plane_enable : |
| ctx->rasterizer->clip_plane_enable; |
| |
| swr_generate_sampler_key(swr_vs->info, ctx, PIPE_SHADER_VERTEX, key); |
| } |
| |
| void |
| swr_generate_fetch_key(struct swr_jit_fetch_key &key, |
| struct swr_vertex_element_state *velems) |
| { |
| memset(&key, 0, sizeof(key)); |
| |
| key.fsState = velems->fsState; |
| } |
| |
| void |
| swr_generate_gs_key(struct swr_jit_gs_key &key, |
| struct swr_context *ctx, |
| swr_geometry_shader *swr_gs) |
| { |
| memset(&key, 0, sizeof(key)); |
| |
| struct tgsi_shader_info *pPrevShader = &ctx->vs->info.base; |
| |
| memcpy(&key.vs_output_semantic_name, |
| &pPrevShader->output_semantic_name, |
| sizeof(key.vs_output_semantic_name)); |
| memcpy(&key.vs_output_semantic_idx, |
| &pPrevShader->output_semantic_index, |
| sizeof(key.vs_output_semantic_idx)); |
| |
| swr_generate_sampler_key(swr_gs->info, ctx, PIPE_SHADER_GEOMETRY, key); |
| } |
| |
| struct BuilderSWR : public Builder { |
| BuilderSWR(JitManager *pJitMgr, const char *pName) |
| : Builder(pJitMgr) |
| { |
| pJitMgr->SetupNewModule(); |
| gallivm = gallivm_create(pName, wrap(&JM()->mContext)); |
| pJitMgr->mpCurrentModule = unwrap(gallivm->module); |
| } |
| |
| ~BuilderSWR() { |
| gallivm_free_ir(gallivm); |
| } |
| |
| void WriteVS(Value *pVal, Value *pVsContext, Value *pVtxOutput, |
| unsigned slot, unsigned channel); |
| |
| struct gallivm_state *gallivm; |
| 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_GS_FUNC CompileGS(struct swr_context *ctx, swr_jit_gs_key &key); |
| |
| LLVMValueRef |
| swr_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface *gs_iface, |
| struct lp_build_tgsi_context * bld_base, |
| boolean is_vindex_indirect, |
| LLVMValueRef vertex_index, |
| boolean is_aindex_indirect, |
| LLVMValueRef attrib_index, |
| LLVMValueRef swizzle_index); |
| void |
| swr_gs_llvm_emit_vertex(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef (*outputs)[4], |
| LLVMValueRef emitted_vertices_vec); |
| |
| void |
| swr_gs_llvm_end_primitive(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef verts_per_prim_vec, |
| LLVMValueRef emitted_prims_vec); |
| |
| void |
| swr_gs_llvm_epilogue(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef total_emitted_vertices_vec, |
| LLVMValueRef emitted_prims_vec); |
| |
| }; |
| |
| struct swr_gs_llvm_iface { |
| struct lp_build_tgsi_gs_iface base; |
| struct tgsi_shader_info *info; |
| |
| BuilderSWR *pBuilder; |
| |
| Value *pGsCtx; |
| SWR_GS_STATE *pGsState; |
| uint32_t num_outputs; |
| uint32_t num_verts_per_prim; |
| |
| Value *pVtxAttribMap; |
| }; |
| |
| // trampoline functions so we can use the builder llvm construction methods |
| static LLVMValueRef |
| swr_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface *gs_iface, |
| struct lp_build_tgsi_context * bld_base, |
| boolean is_vindex_indirect, |
| LLVMValueRef vertex_index, |
| boolean is_aindex_indirect, |
| LLVMValueRef attrib_index, |
| LLVMValueRef swizzle_index) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_iface; |
| |
| return iface->pBuilder->swr_gs_llvm_fetch_input(gs_iface, bld_base, |
| is_vindex_indirect, |
| vertex_index, |
| is_aindex_indirect, |
| attrib_index, |
| swizzle_index); |
| } |
| |
| static void |
| swr_gs_llvm_emit_vertex(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef (*outputs)[4], |
| LLVMValueRef emitted_vertices_vec) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_base; |
| |
| iface->pBuilder->swr_gs_llvm_emit_vertex(gs_base, bld_base, |
| outputs, |
| emitted_vertices_vec); |
| } |
| |
| static void |
| swr_gs_llvm_end_primitive(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef verts_per_prim_vec, |
| LLVMValueRef emitted_prims_vec) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_base; |
| |
| iface->pBuilder->swr_gs_llvm_end_primitive(gs_base, bld_base, |
| verts_per_prim_vec, |
| emitted_prims_vec); |
| } |
| |
| static void |
| swr_gs_llvm_epilogue(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef total_emitted_vertices_vec, |
| LLVMValueRef emitted_prims_vec) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_base; |
| |
| iface->pBuilder->swr_gs_llvm_epilogue(gs_base, bld_base, |
| total_emitted_vertices_vec, |
| emitted_prims_vec); |
| } |
| |
| LLVMValueRef |
| BuilderSWR::swr_gs_llvm_fetch_input(const struct lp_build_tgsi_gs_iface *gs_iface, |
| struct lp_build_tgsi_context * bld_base, |
| boolean is_vindex_indirect, |
| LLVMValueRef vertex_index, |
| boolean is_aindex_indirect, |
| LLVMValueRef attrib_index, |
| LLVMValueRef swizzle_index) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_iface; |
| |
| IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); |
| |
| assert(is_vindex_indirect == false && is_aindex_indirect == false); |
| |
| Value *attrib = |
| LOAD(GEP(iface->pVtxAttribMap, {C(0), unwrap(attrib_index)})); |
| |
| Value *pVertex = LOAD(iface->pGsCtx, {0, SWR_GS_CONTEXT_pVerts}); |
| Value *pInputVertStride = LOAD(iface->pGsCtx, {0, SWR_GS_CONTEXT_inputVertStride}); |
| |
| Value *pVector = ADD(MUL(unwrap(vertex_index), pInputVertStride), attrib); |
| |
| Value *pInput = LOAD(GEP(pVertex, {pVector, unwrap(swizzle_index)})); |
| |
| return wrap(pInput); |
| } |
| |
| // GS output stream layout |
| #define VERTEX_COUNT_SIZE 32 |
| #define CONTROL_HEADER_SIZE (8*32) |
| |
| void |
| BuilderSWR::swr_gs_llvm_emit_vertex(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef (*outputs)[4], |
| LLVMValueRef emitted_vertices_vec) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_base; |
| |
| IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); |
| |
| const uint32_t headerSize = VERTEX_COUNT_SIZE + CONTROL_HEADER_SIZE; |
| const uint32_t attribSize = 4 * sizeof(float); |
| const uint32_t vertSize = attribSize * SWR_VTX_NUM_SLOTS; |
| Value *pVertexOffset = MUL(unwrap(emitted_vertices_vec), VIMMED1(vertSize)); |
| |
| Value *vMask = LOAD(iface->pGsCtx, {0, SWR_GS_CONTEXT_mask}); |
| Value *vMask1 = TRUNC(vMask, VectorType::get(mInt1Ty, mVWidth)); |
| |
| Value *pStack = STACKSAVE(); |
| Value *pTmpPtr = ALLOCA(mFP32Ty, C(4)); // used for dummy write for lane masking |
| |
| for (uint32_t attrib = 0; attrib < iface->num_outputs; ++attrib) { |
| uint32_t attribSlot = attrib; |
| uint32_t sgvChannel = 0; |
| if (iface->info->output_semantic_name[attrib] == TGSI_SEMANTIC_PSIZE) { |
| attribSlot = VERTEX_SGV_SLOT; |
| sgvChannel = VERTEX_SGV_POINT_SIZE_COMP; |
| } else if (iface->info->output_semantic_name[attrib] == TGSI_SEMANTIC_LAYER) { |
| attribSlot = VERTEX_SGV_SLOT; |
| sgvChannel = VERTEX_SGV_RTAI_COMP; |
| } else if (iface->info->output_semantic_name[attrib] == TGSI_SEMANTIC_POSITION) { |
| attribSlot = VERTEX_POSITION_SLOT; |
| } else { |
| attribSlot = VERTEX_ATTRIB_START_SLOT + attrib; |
| if (iface->info->writes_position) { |
| attribSlot--; |
| } |
| } |
| |
| Value *pOutputOffset = ADD(pVertexOffset, VIMMED1(headerSize + attribSize * attribSlot)); // + sgvChannel ? |
| |
| for (uint32_t lane = 0; lane < mVWidth; ++lane) { |
| Value *pLaneOffset = VEXTRACT(pOutputOffset, C(lane)); |
| Value *pStream = LOAD(iface->pGsCtx, {0, SWR_GS_CONTEXT_pStreams, lane}); |
| Value *pStreamOffset = GEP(pStream, pLaneOffset); |
| pStreamOffset = BITCAST(pStreamOffset, mFP32PtrTy); |
| |
| Value *pLaneMask = VEXTRACT(vMask1, C(lane)); |
| pStreamOffset = SELECT(pLaneMask, pStreamOffset, pTmpPtr); |
| |
| for (uint32_t channel = 0; channel < 4; ++channel) { |
| Value *vData; |
| |
| if (attribSlot == VERTEX_SGV_SLOT) |
| vData = LOAD(unwrap(outputs[attrib][0])); |
| else |
| vData = LOAD(unwrap(outputs[attrib][channel])); |
| |
| if (attribSlot != VERTEX_SGV_SLOT || |
| sgvChannel == channel) { |
| vData = VEXTRACT(vData, C(lane)); |
| STORE(vData, pStreamOffset); |
| } |
| pStreamOffset = GEP(pStreamOffset, C(1)); |
| } |
| } |
| } |
| |
| STACKRESTORE(pStack); |
| } |
| |
| void |
| BuilderSWR::swr_gs_llvm_end_primitive(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef verts_per_prim_vec, |
| LLVMValueRef emitted_prims_vec) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_base; |
| |
| IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); |
| |
| Value *vMask = LOAD(iface->pGsCtx, { 0, SWR_GS_CONTEXT_mask }); |
| Value *vMask1 = TRUNC(vMask, VectorType::get(mInt1Ty, 8)); |
| |
| uint32_t vertsPerPrim = iface->num_verts_per_prim; |
| |
| Value *vCount = |
| ADD(MUL(unwrap(emitted_prims_vec), VIMMED1(vertsPerPrim)), |
| unwrap(verts_per_prim_vec)); |
| |
| struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base); |
| vCount = LOAD(unwrap(bld->total_emitted_vertices_vec_ptr)); |
| |
| struct lp_exec_mask *exec_mask = &bld->exec_mask; |
| Value *mask = unwrap(lp_build_mask_value(bld->mask)); |
| if (exec_mask->has_mask) |
| mask = AND(mask, unwrap(exec_mask->exec_mask)); |
| |
| Value *cmpMask = VMASK(ICMP_NE(unwrap(verts_per_prim_vec), VIMMED1(0))); |
| mask = AND(mask, cmpMask); |
| vMask1 = TRUNC(mask, VectorType::get(mInt1Ty, 8)); |
| |
| vCount = SUB(vCount, VIMMED1(1)); |
| Value *vOffset = ADD(UDIV(vCount, VIMMED1(8)), VIMMED1(VERTEX_COUNT_SIZE)); |
| Value *vValue = SHL(VIMMED1(1), UREM(vCount, VIMMED1(8))); |
| |
| vValue = TRUNC(vValue, VectorType::get(mInt8Ty, 8)); |
| |
| Value *pStack = STACKSAVE(); |
| Value *pTmpPtr = ALLOCA(mInt8Ty, C(4)); // used for dummy read/write for lane masking |
| |
| for (uint32_t lane = 0; lane < mVWidth; ++lane) { |
| Value *vLaneOffset = VEXTRACT(vOffset, C(lane)); |
| Value *pStream = LOAD(iface->pGsCtx, {0, SWR_GS_CONTEXT_pStreams, lane}); |
| Value *pStreamOffset = GEP(pStream, vLaneOffset); |
| |
| Value *pLaneMask = VEXTRACT(vMask1, C(lane)); |
| pStreamOffset = SELECT(pLaneMask, pStreamOffset, pTmpPtr); |
| |
| Value *vVal = LOAD(pStreamOffset); |
| vVal = OR(vVal, VEXTRACT(vValue, C(lane))); |
| STORE(vVal, pStreamOffset); |
| } |
| |
| STACKRESTORE(pStack); |
| } |
| |
| void |
| BuilderSWR::swr_gs_llvm_epilogue(const struct lp_build_tgsi_gs_iface *gs_base, |
| struct lp_build_tgsi_context * bld_base, |
| LLVMValueRef total_emitted_vertices_vec, |
| LLVMValueRef emitted_prims_vec) |
| { |
| swr_gs_llvm_iface *iface = (swr_gs_llvm_iface*)gs_base; |
| |
| IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); |
| |
| // Store emit count to each output stream in the first DWORD |
| for (uint32_t lane = 0; lane < mVWidth; ++lane) |
| { |
| Value* pStream = LOAD(iface->pGsCtx, {0, SWR_GS_CONTEXT_pStreams, lane}); |
| pStream = BITCAST(pStream, mInt32PtrTy); |
| Value* pLaneCount = VEXTRACT(unwrap(total_emitted_vertices_vec), C(lane)); |
| STORE(pLaneCount, pStream); |
| } |
| } |
| |
| PFN_GS_FUNC |
| BuilderSWR::CompileGS(struct swr_context *ctx, swr_jit_gs_key &key) |
| { |
| SWR_GS_STATE *pGS = &ctx->gs->gsState; |
| struct tgsi_shader_info *info = &ctx->gs->info.base; |
| |
| memset(pGS, 0, sizeof(*pGS)); |
| |
| pGS->gsEnable = true; |
| |
| pGS->numInputAttribs = info->num_inputs; |
| pGS->outputTopology = |
| swr_convert_prim_topology(info->properties[TGSI_PROPERTY_GS_OUTPUT_PRIM]); |
| pGS->maxNumVerts = info->properties[TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES]; |
| pGS->instanceCount = info->properties[TGSI_PROPERTY_GS_INVOCATIONS]; |
| |
| // XXX: single stream for now... |
| pGS->isSingleStream = true; |
| pGS->singleStreamID = 0; |
| |
| pGS->vertexAttribOffset = VERTEX_ATTRIB_START_SLOT; // TODO: optimize |
| pGS->srcVertexAttribOffset = VERTEX_ATTRIB_START_SLOT; // TODO: optimize |
| pGS->inputVertStride = pGS->numInputAttribs + pGS->vertexAttribOffset; |
| pGS->outputVertexSize = SWR_VTX_NUM_SLOTS; |
| pGS->controlDataSize = 8; // GS ouputs max of 8 32B units |
| pGS->controlDataOffset = VERTEX_COUNT_SIZE; |
| pGS->outputVertexOffset = pGS->controlDataOffset + CONTROL_HEADER_SIZE; |
| |
| pGS->allocationSize = |
| VERTEX_COUNT_SIZE + // vertex count |
| CONTROL_HEADER_SIZE + // control header |
| (SWR_VTX_NUM_SLOTS * 16) * // sizeof vertex |
| pGS->maxNumVerts; // num verts |
| |
| struct swr_geometry_shader *gs = ctx->gs; |
| |
| 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)); |
| |
| std::vector<Type *> gsArgs{PointerType::get(Gen_swr_draw_context(JM()), 0), |
| PointerType::get(Gen_SWR_GS_CONTEXT(JM()), 0)}; |
| FunctionType *vsFuncType = |
| FunctionType::get(Type::getVoidTy(JM()->mContext), gsArgs, false); |
| |
| // create new vertex shader function |
| auto pFunction = Function::Create(vsFuncType, |
| GlobalValue::ExternalLinkage, |
| "GS", |
| JM()->mpCurrentModule); |
| #if HAVE_LLVM < 0x0500 |
| AttributeSet attrSet = AttributeSet::get( |
| JM()->mContext, AttributeSet::FunctionIndex, attrBuilder); |
| pFunction->addAttributes(AttributeSet::FunctionIndex, attrSet); |
| #else |
| pFunction->addAttributes(AttributeList::FunctionIndex, attrBuilder); |
| #endif |
| |
| 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 *pGsCtx = &*argitr++; |
| pGsCtx->setName("gsCtx"); |
| |
| Value *consts_ptr = |
| GEP(hPrivateData, {C(0), C(swr_draw_context_constantGS)}); |
| consts_ptr->setName("gs_constants"); |
| Value *const_sizes_ptr = |
| GEP(hPrivateData, {0, swr_draw_context_num_constantsGS}); |
| const_sizes_ptr->setName("num_gs_constants"); |
| |
| struct lp_build_sampler_soa *sampler = |
| swr_sampler_soa_create(key.sampler, PIPE_SHADER_GEOMETRY); |
| |
| struct lp_bld_tgsi_system_values system_values; |
| memset(&system_values, 0, sizeof(system_values)); |
| system_values.prim_id = wrap(LOAD(pGsCtx, {0, SWR_GS_CONTEXT_PrimitiveID})); |
| system_values.instance_id = wrap(LOAD(pGsCtx, {0, SWR_GS_CONTEXT_InstanceID})); |
| |
| std::vector<Constant*> mapConstants; |
| Value *vtxAttribMap = ALLOCA(ArrayType::get(mInt32Ty, PIPE_MAX_SHADER_INPUTS)); |
| for (unsigned slot = 0; slot < info->num_inputs; slot++) { |
| ubyte semantic_name = info->input_semantic_name[slot]; |
| ubyte semantic_idx = info->input_semantic_index[slot]; |
| |
| unsigned vs_slot = locate_linkage(semantic_name, semantic_idx, &ctx->vs->info.base); |
| |
| vs_slot += VERTEX_ATTRIB_START_SLOT; |
| |
| if (ctx->vs->info.base.output_semantic_name[0] == TGSI_SEMANTIC_POSITION) |
| vs_slot--; |
| |
| if (semantic_name == TGSI_SEMANTIC_POSITION) |
| vs_slot = VERTEX_POSITION_SLOT; |
| |
| STORE(C(vs_slot), vtxAttribMap, {0, slot}); |
| mapConstants.push_back(C(vs_slot)); |
| } |
| |
| struct lp_build_mask_context mask; |
| Value *mask_val = LOAD(pGsCtx, {0, SWR_GS_CONTEXT_mask}, "gsMask"); |
| lp_build_mask_begin(&mask, gallivm, |
| lp_type_float_vec(32, 32 * 8), wrap(mask_val)); |
| |
| // zero out cut buffer so we can load/modify/store bits |
| for (uint32_t lane = 0; lane < mVWidth; ++lane) |
| { |
| Value* pStream = LOAD(pGsCtx, {0, SWR_GS_CONTEXT_pStreams, lane}); |
| MEMSET(pStream, C((char)0), VERTEX_COUNT_SIZE + CONTROL_HEADER_SIZE, sizeof(float) * KNOB_SIMD_WIDTH); |
| } |
| |
| struct swr_gs_llvm_iface gs_iface; |
| gs_iface.base.fetch_input = ::swr_gs_llvm_fetch_input; |
| gs_iface.base.emit_vertex = ::swr_gs_llvm_emit_vertex; |
| gs_iface.base.end_primitive = ::swr_gs_llvm_end_primitive; |
| gs_iface.base.gs_epilogue = ::swr_gs_llvm_epilogue; |
| gs_iface.pBuilder = this; |
| gs_iface.pGsCtx = pGsCtx; |
| gs_iface.pGsState = pGS; |
| gs_iface.num_outputs = gs->info.base.num_outputs; |
| gs_iface.num_verts_per_prim = |
| u_vertices_per_prim((pipe_prim_type)info->properties[TGSI_PROPERTY_GS_OUTPUT_PRIM]); |
| gs_iface.info = info; |
| gs_iface.pVtxAttribMap = vtxAttribMap; |
| |
| lp_build_tgsi_soa(gallivm, |
| gs->pipe.tokens, |
| lp_type_float_vec(32, 32 * 8), |
| &mask, |
| wrap(consts_ptr), |
| wrap(const_sizes_ptr), |
| &system_values, |
| inputs, |
| outputs, |
| wrap(hPrivateData), // (sampler context) |
| NULL, // thread data |
| sampler, |
| &gs->info.base, |
| &gs_iface.base); |
| |
| lp_build_mask_end(&mask); |
| |
| sampler->destroy(sampler); |
| |
| IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); |
| |
| RET_VOID(); |
| |
| gallivm_verify_function(gallivm, wrap(pFunction)); |
| gallivm_compile_module(gallivm); |
| |
| PFN_GS_FUNC pFunc = |
| (PFN_GS_FUNC)gallivm_jit_function(gallivm, wrap(pFunction)); |
| |
| debug_printf("geom shader %p\n", pFunc); |
| assert(pFunc && "Error: GeomShader = NULL"); |
| |
| JM()->mIsModuleFinalized = true; |
| |
| return pFunc; |
| } |
| |
| PFN_GS_FUNC |
| swr_compile_gs(struct swr_context *ctx, swr_jit_gs_key &key) |
| { |
| BuilderSWR builder( |
| reinterpret_cast<JitManager *>(swr_screen(ctx->pipe.screen)->hJitMgr), |
| "GS"); |
| PFN_GS_FUNC func = builder.CompileGS(ctx, key); |
| |
| ctx->gs->map.insert(std::make_pair(key, make_unique<VariantGS>(builder.gallivm, func))); |
| return func; |
| } |
| |
| void |
| BuilderSWR::WriteVS(Value *pVal, Value *pVsContext, Value *pVtxOutput, unsigned slot, unsigned channel) |
| { |
| #if USE_SIMD16_FRONTEND && !USE_SIMD16_SHADERS |
| // interleave the simdvertex components into the dest simd16vertex |
| // slot16offset = slot8offset * 2 |
| // comp16offset = comp8offset * 2 + alternateOffset |
| |
| Value *offset = LOAD(pVsContext, { 0, SWR_VS_CONTEXT_AlternateOffset }); |
| Value *pOut = GEP(pVtxOutput, { C(0), C(0), C(slot * 2), offset } ); |
| STORE(pVal, pOut, {channel * 2}); |
| #else |
| Value *pOut = GEP(pVtxOutput, {0, 0, slot}); |
| STORE(pVal, pOut, {0, channel}); |
| #endif |
| } |
| |
| PFN_VERTEX_FUNC |
| BuilderSWR::CompileVS(struct swr_context *ctx, swr_jit_vs_key &key) |
| { |
| struct swr_vertex_shader *swr_vs = ctx->vs; |
| |
| 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)); |
| |
| std::vector<Type *> 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); |
| #if HAVE_LLVM < 0x0500 |
| AttributeSet attrSet = AttributeSet::get( |
| JM()->mContext, AttributeSet::FunctionIndex, attrBuilder); |
| pFunction->addAttributes(AttributeSet::FunctionIndex, attrSet); |
| #else |
| pFunction->addAttributes(AttributeList::FunctionIndex, attrBuilder); |
| #endif |
| |
| 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}); |
| #if USE_SIMD16_SHADERS |
| vtxInput = BITCAST(vtxInput, PointerType::get(Gen_simd16vertex(JM()), 0)); |
| #endif |
| |
| 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 * mVWidth), |
| 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 |
| |
| sampler->destroy(sampler); |
| |
| IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); |
| |
| Value *vtxOutput = LOAD(pVsCtx, {0, SWR_VS_CONTEXT_pVout}); |
| #if USE_SIMD16_SHADERS |
| vtxOutput = BITCAST(vtxOutput, PointerType::get(Gen_simd16vertex(JM()), 0)); |
| #endif |
| |
| 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; |
| uint32_t outSlot; |
| |
| if (swr_vs->info.base.output_semantic_name[attrib] == TGSI_SEMANTIC_PSIZE) { |
| if (channel != VERTEX_SGV_POINT_SIZE_COMP) |
| continue; |
| val = LOAD(unwrap(outputs[attrib][0])); |
| outSlot = VERTEX_SGV_SLOT; |
| } else if (swr_vs->info.base.output_semantic_name[attrib] == TGSI_SEMANTIC_POSITION) { |
| val = LOAD(unwrap(outputs[attrib][channel])); |
| outSlot = VERTEX_POSITION_SLOT; |
| } else { |
| val = LOAD(unwrap(outputs[attrib][channel])); |
| outSlot = VERTEX_ATTRIB_START_SLOT + attrib; |
| if (swr_vs->info.base.output_semantic_name[0] == TGSI_SEMANTIC_POSITION) |
| outSlot--; |
| } |
| |
| WriteVS(val, pVsCtx, vtxOutput, outSlot, channel); |
| } |
| } |
| |
| if (ctx->rasterizer->clip_plane_enable || |
| swr_vs->info.base.culldist_writemask) { |
| unsigned clip_mask = ctx->rasterizer->clip_plane_enable; |
| |
| unsigned cv = 0; |
| if (swr_vs->info.base.writes_clipvertex) { |
| cv = locate_linkage(TGSI_SEMANTIC_CLIPVERTEX, 0, |
| &swr_vs->info.base); |
| } else { |
| for (int i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) { |
| if (swr_vs->info.base.output_semantic_name[i] == TGSI_SEMANTIC_POSITION && |
| swr_vs->info.base.output_semantic_index[i] == 0) { |
| cv = i; |
| break; |
| } |
| } |
| } |
| LLVMValueRef cx = LLVMBuildLoad(gallivm->builder, outputs[cv][0], ""); |
| LLVMValueRef cy = LLVMBuildLoad(gallivm->builder, outputs[cv][1], ""); |
| LLVMValueRef cz = LLVMBuildLoad(gallivm->builder, outputs[cv][2], ""); |
| LLVMValueRef cw = LLVMBuildLoad(gallivm->builder, outputs[cv][3], ""); |
| |
| for (unsigned val = 0; val < PIPE_MAX_CLIP_PLANES; val++) { |
| // clip distance overrides user clip planes |
| if ((swr_vs->info.base.clipdist_writemask & clip_mask & (1 << val)) || |
| ((swr_vs->info.base.culldist_writemask << swr_vs->info.base.num_written_clipdistance) & (1 << val))) { |
| unsigned cv = locate_linkage(TGSI_SEMANTIC_CLIPDIST, val < 4 ? 0 : 1, |
| &swr_vs->info.base); |
| if (val < 4) { |
| LLVMValueRef dist = LLVMBuildLoad(gallivm->builder, outputs[cv][val], ""); |
| WriteVS(unwrap(dist), pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_LO_SLOT, val); |
| } else { |
| LLVMValueRef dist = LLVMBuildLoad(gallivm->builder, outputs[cv][val - 4], ""); |
| WriteVS(unwrap(dist), pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_HI_SLOT, val - 4); |
| } |
| continue; |
| } |
| |
| if (!(clip_mask & (1 << val))) |
| continue; |
| |
| Value *px = LOAD(GEP(hPrivateData, {0, swr_draw_context_userClipPlanes, val, 0})); |
| Value *py = LOAD(GEP(hPrivateData, {0, swr_draw_context_userClipPlanes, val, 1})); |
| Value *pz = LOAD(GEP(hPrivateData, {0, swr_draw_context_userClipPlanes, val, 2})); |
| Value *pw = LOAD(GEP(hPrivateData, {0, swr_draw_context_userClipPlanes, val, 3})); |
| Value *dist = FADD(FMUL(unwrap(cx), VBROADCAST(px)), |
| FADD(FMUL(unwrap(cy), VBROADCAST(py)), |
| FADD(FMUL(unwrap(cz), VBROADCAST(pz)), |
| FMUL(unwrap(cw), VBROADCAST(pw))))); |
| |
| if (val < 4) |
| WriteVS(dist, pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_LO_SLOT, val); |
| else |
| WriteVS(dist, pVsCtx, vtxOutput, VERTEX_CLIPCULL_DIST_HI_SLOT, val - 4); |
| } |
| } |
| |
| 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"); |
| |
| JM()->mIsModuleFinalized = true; |
| |
| return pFunc; |
| } |
| |
| PFN_VERTEX_FUNC |
| swr_compile_vs(struct swr_context *ctx, swr_jit_vs_key &key) |
| { |
| if (!ctx->vs->pipe.tokens) |
| return NULL; |
| |
| BuilderSWR builder( |
| #if USE_SIMD16_SHADERS |
| reinterpret_cast<JitManager *>(swr_screen(ctx->pipe.screen)->hJitMgr16), |
| #else |
| reinterpret_cast<JitManager *>(swr_screen(ctx->pipe.screen)->hJitMgr), |
| #endif |
| "VS"); |
| PFN_VERTEX_FUNC func = builder.CompileVS(ctx, key); |
| |
| ctx->vs->map.insert(std::make_pair(key, make_unique<VariantVS>(builder.gallivm, func))); |
| return func; |
| } |
| |
| unsigned |
| swr_so_adjust_attrib(unsigned in_attrib, |
| swr_vertex_shader *swr_vs) |
| { |
| ubyte semantic_name; |
| unsigned attrib; |
| |
| attrib = in_attrib + VERTEX_ATTRIB_START_SLOT; |
| |
| if (swr_vs) { |
| semantic_name = swr_vs->info.base.output_semantic_name[in_attrib]; |
| if (semantic_name == TGSI_SEMANTIC_POSITION) { |
| attrib = VERTEX_POSITION_SLOT; |
| } else if (semantic_name == TGSI_SEMANTIC_PSIZE) { |
| attrib = VERTEX_SGV_SLOT; |
| } else if (semantic_name == TGSI_SEMANTIC_LAYER) { |
| attrib = VERTEX_SGV_SLOT; |
| } else { |
| if (swr_vs->info.base.writes_position) { |
| attrib--; |
| } |
| } |
| } |
| |
| return attrib; |
| } |
| |
| 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; |
| } |
| } |
| |
| return 0xFFFFFFFF; |
| } |
| |
| PFN_PIXEL_KERNEL |
| BuilderSWR::CompileFS(struct swr_context *ctx, swr_jit_fs_key &key) |
| { |
| struct swr_fragment_shader *swr_fs = ctx->fs; |
| |
| struct tgsi_shader_info *pPrevShader; |
| if (ctx->gs) |
| pPrevShader = &ctx->gs->info.base; |
| else |
| pPrevShader = &ctx->vs->info.base; |
| |
| 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)); |
| |
| std::vector<Type *> 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); |
| #if HAVE_LLVM < 0x0500 |
| AttributeSet attrSet = AttributeSet::get( |
| JM()->mContext, AttributeSet::FunctionIndex, attrBuilder); |
| pFunction->addAttributes(AttributeSet::FunctionIndex, attrSet); |
| #else |
| pFunction->addAttributes(AttributeList::FunctionIndex, attrBuilder); |
| #endif |
| |
| 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"); |
| |
| // 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->flatConstantMask = 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 || |
| interpMode == TGSI_INTERPOLATE_COLOR) { |
| 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 |
| if (swr_fs->info.base.properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER] == |
| TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER) { |
| 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")); |
| } else { |
| inputs[attrib][0] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vX, PixelPositions_UL}, "vX")); |
| inputs[attrib][1] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vY, PixelPositions_UL}, "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; |
| } |
| |
| unsigned linkedAttrib = |
| locate_linkage(semantic_name, semantic_idx, pPrevShader) - 1; |
| |
| uint32_t extraAttribs = 0; |
| if (semantic_name == TGSI_SEMANTIC_PRIMID && !ctx->gs) { |
| /* non-gs generated primID - need to grab from swizzleMap override */ |
| linkedAttrib = pPrevShader->num_outputs - 1; |
| swr_fs->constantMask |= 1 << linkedAttrib; |
| extraAttribs++; |
| } else if (semantic_name == TGSI_SEMANTIC_GENERIC && |
| key.sprite_coord_enable & (1 << semantic_idx)) { |
| /* we add an extra attrib to the backendState in swr_update_derived. */ |
| linkedAttrib = pPrevShader->num_outputs + extraAttribs - 1; |
| swr_fs->pointSpriteMask |= (1 << linkedAttrib); |
| extraAttribs++; |
| } else if (linkedAttrib == 0xFFFFFFFF) { |
| inputs[attrib][0] = wrap(VIMMED1(0.0f)); |
| inputs[attrib][1] = wrap(VIMMED1(0.0f)); |
| inputs[attrib][2] = wrap(VIMMED1(0.0f)); |
| inputs[attrib][3] = wrap(VIMMED1(1.0f)); |
| /* If we're reading in color and 2-sided lighting is enabled, we have |
| * to keep going. |
| */ |
| if (semantic_name != TGSI_SEMANTIC_COLOR || !key.light_twoside) |
| continue; |
| } else { |
| if (interpMode == TGSI_INTERPOLATE_CONSTANT) { |
| swr_fs->constantMask |= 1 << linkedAttrib; |
| } else if (interpMode == TGSI_INTERPOLATE_COLOR) { |
| swr_fs->flatConstantMask |= 1 << linkedAttrib; |
| } |
| } |
| |
| unsigned bcolorAttrib = 0xFFFFFFFF; |
| Value *offset = NULL; |
| if (semantic_name == TGSI_SEMANTIC_COLOR && key.light_twoside) { |
| bcolorAttrib = locate_linkage( |
| TGSI_SEMANTIC_BCOLOR, semantic_idx, pPrevShader) - 1; |
| /* Neither front nor back colors were available. Nothing to load. */ |
| if (bcolorAttrib == 0xFFFFFFFF && linkedAttrib == 0xFFFFFFFF) |
| continue; |
| /* If there is no front color, just always use the back color. */ |
| if (linkedAttrib == 0xFFFFFFFF) |
| linkedAttrib = bcolorAttrib; |
| |
| if (bcolorAttrib != 0xFFFFFFFF) { |
| if (interpMode == TGSI_INTERPOLATE_CONSTANT) { |
| swr_fs->constantMask |= 1 << bcolorAttrib; |
| } else if (interpMode == TGSI_INTERPOLATE_COLOR) { |
| swr_fs->flatConstantMask |= 1 << bcolorAttrib; |
| } |
| |
| unsigned diff = 12 * (bcolorAttrib - linkedAttrib); |
| |
| if (diff) { |
| Value *back = |
| XOR(C(1), LOAD(pPS, {0, SWR_PS_CONTEXT_frontFace}), "backFace"); |
| |
| offset = MUL(back, C(diff)); |
| offset->setName("offset"); |
| } |
| } |
| } |
| |
| 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 (offset) { |
| indexA = ADD(indexA, offset); |
| indexB = ADD(indexB, offset); |
| indexC = ADD(indexC, offset); |
| } |
| |
| 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 { |
| 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 || |
| interpMode == TGSI_INTERPOLATE_COLOR) |
| 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; |
| bool uses_mask = false; |
| |
| if (swr_fs->info.base.uses_kill || |
| key.poly_stipple_enable) { |
| Value *vActiveMask = NULL; |
| if (swr_fs->info.base.uses_kill) { |
| vActiveMask = LOAD(pPS, {0, SWR_PS_CONTEXT_activeMask}, "activeMask"); |
| } |
| if (key.poly_stipple_enable) { |
| // first get fragment xy coords and clip to stipple bounds |
| Value *vXf = LOAD(pPS, {0, SWR_PS_CONTEXT_vX, PixelPositions_UL}); |
| Value *vYf = LOAD(pPS, {0, SWR_PS_CONTEXT_vY, PixelPositions_UL}); |
| Value *vXu = FP_TO_UI(vXf, mSimdInt32Ty); |
| Value *vYu = FP_TO_UI(vYf, mSimdInt32Ty); |
| |
| // stipple pattern is 32x32, which means that one line of stipple |
| // is stored in one word: |
| // vXstipple is bit offset inside 32-bit stipple word |
| // vYstipple is word index is stipple array |
| Value *vXstipple = AND(vXu, VIMMED1(0x1f)); // & (32-1) |
| Value *vYstipple = AND(vYu, VIMMED1(0x1f)); // & (32-1) |
| |
| // grab stipple pattern base address |
| Value *stipplePtr = GEP(hPrivateData, {0, swr_draw_context_polyStipple, 0}); |
| stipplePtr = BITCAST(stipplePtr, mInt8PtrTy); |
| |
| // peform a gather to grab stipple words for each lane |
| Value *vStipple = GATHERDD(VUNDEF_I(), stipplePtr, vYstipple, |
| VIMMED1(0xffffffff), 4); |
| |
| // create a mask with one bit corresponding to the x stipple |
| // and AND it with the pattern, to see if we have a bit |
| Value *vBitMask = LSHR(VIMMED1(0x80000000), vXstipple); |
| Value *vStippleMask = AND(vStipple, vBitMask); |
| vStippleMask = ICMP_NE(vStippleMask, VIMMED1(0)); |
| vStippleMask = VMASK(vStippleMask); |
| |
| if (swr_fs->info.base.uses_kill) { |
| vActiveMask = AND(vActiveMask, vStippleMask); |
| } else { |
| vActiveMask = vStippleMask; |
| } |
| } |
| lp_build_mask_begin( |
| &mask, gallivm, lp_type_float_vec(32, 32 * 8), wrap(vActiveMask)); |
| uses_mask = true; |
| } |
| |
| lp_build_tgsi_soa(gallivm, |
| swr_fs->pipe.tokens, |
| lp_type_float_vec(32, 32 * 8), |
| uses_mask ? &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 |
| |
| sampler->destroy(sampler); |
| |
| 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] && |
| swr_fs->info.base.output_semantic_index[attrib] == 0) { |
| 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 (uses_mask) { |
| mask_result = lp_build_mask_end(&mask); |
| } |
| |
| IRB()->SetInsertPoint(unwrap(LLVMGetInsertBlock(gallivm->builder))); |
| |
| if (uses_mask) { |
| 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"); |
| |
| JM()->mIsModuleFinalized = true; |
| |
| return kernel; |
| } |
| |
| PFN_PIXEL_KERNEL |
| swr_compile_fs(struct swr_context *ctx, swr_jit_fs_key &key) |
| { |
| if (!ctx->fs->pipe.tokens) |
| return NULL; |
| |
| BuilderSWR builder( |
| reinterpret_cast<JitManager *>(swr_screen(ctx->pipe.screen)->hJitMgr), |
| "FS"); |
| PFN_PIXEL_KERNEL func = builder.CompileFS(ctx, key); |
| |
| ctx->fs->map.insert(std::make_pair(key, make_unique<VariantFS>(builder.gallivm, func))); |
| return func; |
| } |