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-rw-r--r--src/gallium/drivers/swr/swr_shader.cpp591
1 files changed, 591 insertions, 0 deletions
diff --git a/src/gallium/drivers/swr/swr_shader.cpp b/src/gallium/drivers/swr/swr_shader.cpp
new file mode 100644
index 00000000000..ff16d0f2f11
--- /dev/null
+++ b/src/gallium/drivers/swr/swr_shader.cpp
@@ -0,0 +1,591 @@
+/****************************************************************************
+ * 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_key &lhs, const swr_jit_key &rhs)
+{
+ return !memcmp(&lhs, &rhs, sizeof(lhs));
+}
+
+void
+swr_generate_fs_key(struct swr_jit_key &key,
+ struct swr_context *ctx,
+ swr_fragment_shader *swr_fs)
+{
+ key.nr_cbufs = ctx->framebuffer.nr_cbufs;
+ key.light_twoside = ctx->rasterizer->light_twoside;
+ 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));
+
+ key.nr_samplers = swr_fs->info.base.file_max[TGSI_FILE_SAMPLER] + 1;
+
+ for (unsigned i = 0; i < key.nr_samplers; i++) {
+ if (swr_fs->info.base.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) {
+ lp_sampler_static_sampler_state(
+ &key.sampler[i].sampler_state,
+ ctx->samplers[PIPE_SHADER_FRAGMENT][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 (swr_fs->info.base.file_max[TGSI_FILE_SAMPLER_VIEW] != -1) {
+ key.nr_sampler_views =
+ swr_fs->info.base.file_max[TGSI_FILE_SAMPLER_VIEW] + 1;
+ for (unsigned i = 0; i < key.nr_sampler_views; i++) {
+ if (swr_fs->info.base.file_mask[TGSI_FILE_SAMPLER_VIEW] & (1 << i)) {
+ lp_sampler_static_texture_state(
+ &key.sampler[i].texture_state,
+ ctx->sampler_views[PIPE_SHADER_FRAGMENT][i]);
+ }
+ }
+ } else {
+ key.nr_sampler_views = key.nr_samplers;
+ for (unsigned i = 0; i < key.nr_sampler_views; i++) {
+ if (swr_fs->info.base.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) {
+ lp_sampler_static_texture_state(
+ &key.sampler[i].texture_state,
+ ctx->sampler_views[PIPE_SHADER_FRAGMENT][i]);
+ }
+ }
+ }
+}
+
+struct BuilderSWR : public Builder {
+ BuilderSWR(JitManager *pJitMgr)
+ : Builder(pJitMgr)
+ {
+ pJitMgr->SetupNewModule();
+ }
+
+ PFN_VERTEX_FUNC
+ CompileVS(struct pipe_context *ctx, swr_vertex_shader *swr_vs);
+ PFN_PIXEL_KERNEL CompileFS(struct swr_context *ctx, swr_jit_key &key);
+};
+
+PFN_VERTEX_FUNC
+BuilderSWR::CompileVS(struct pipe_context *ctx, swr_vertex_shader *swr_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<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);
+ 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_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,
+ NULL, // wrap(hPrivateData), (sampler context)
+ NULL, // thread data
+ NULL, // 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 pipe_context *ctx, swr_vertex_shader *swr_vs)
+{
+ BuilderSWR builder(
+ reinterpret_cast<JitManager *>(swr_screen(ctx->screen)->hJitMgr));
+ return builder.CompileVS(ctx, swr_vs);
+}
+
+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_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<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);
+ 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 {
+ 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);
+
+ 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_key &key)
+{
+ BuilderSWR builder(
+ reinterpret_cast<JitManager *>(swr_screen(ctx->pipe.screen)->hJitMgr));
+ return builder.CompileFS(ctx, key);
+}