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shader: Fix VertexA Shaders.

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This commit is contained in:
FernandoS27 2021-06-04 00:11:16 +02:00 committed by ameerj
parent ec9a78885e
commit 562af30181
4 changed files with 51 additions and 19 deletions
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19
src/shader_recompiler/frontend/maxwell/program.cpp
View file

@ -171,20 +171,29 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b
IR::Program result{};
Optimization::VertexATransformPass(vertex_a);
Optimization::VertexBTransformPass(vertex_b);
std::swap(result.blocks, vertex_a.blocks);
result.blocks.insert(result.blocks.end(), vertex_b.blocks.begin(), vertex_b.blocks.end());
for (const auto& term : vertex_a.syntax_list) {
if (term.type == IR::AbstractSyntaxNode::Type::Return) {
continue;
}
result.syntax_list.push_back(term);
}
for (const auto& term : vertex_b.syntax_list) {
result.syntax_list.push_back(term);
}
result.blocks = GenerateBlocks(result.syntax_list);
result.post_order_blocks = vertex_b.post_order_blocks;
for (const auto& block : vertex_a.post_order_blocks) {
result.post_order_blocks.push_back(block);
}
result.stage = Stage::VertexB;
result.info = vertex_a.info;
result.local_memory_size = std::max(vertex_a.local_memory_size, vertex_b.local_memory_size);
for (size_t index = 0; index < 32; ++index) {
result.info.input_generics[index].used |= vertex_b.info.input_generics[index].used;
result.info.stores_generics[index] |= vertex_b.info.stores_generics[index];
}
Optimization::JoinTextureInfo(result.info, vertex_b.info);
Optimization::JoinStorageInfo(result.info, vertex_b.info);
Optimization::DualVertexJoinPass(result);
result.post_order_blocks = PostOrder(result.syntax_list.front());
Optimization::DeadCodeEliminationPass(result);
Optimization::VerificationPass(result);
Optimization::CollectShaderInfoPass(env_vertex_b, result);

24
src/shader_recompiler/ir_opt/dual_vertex_pass.cpp
View file

@ -13,16 +13,24 @@
namespace Shader::Optimization {
void VertexATransformPass(IR::Program&) {
throw NotImplementedException("VertexA pass");
void VertexATransformPass(IR::Program& program) {
for (IR::Block* const block : program.blocks) {
for (IR::Inst& inst : block->Instructions()) {
if (inst.GetOpcode() == IR::Opcode::Epilogue) {
return inst.Invalidate();
}
}
}
}
void VertexBTransformPass(IR::Program&) {
throw NotImplementedException("VertexA pass");
}
void DualVertexJoinPass(IR::Program&) {
throw NotImplementedException("VertexA pass");
void VertexBTransformPass(IR::Program& program) {
for (IR::Block* const block : program.blocks) {
for (IR::Inst& inst : block->Instructions()) {
if (inst.GetOpcode() == IR::Opcode::Prologue) {
return inst.Invalidate();
}
}
}
}
} // namespace Shader::Optimization

1
src/shader_recompiler/ir_opt/passes.h
View file

@ -25,7 +25,6 @@ void VerificationPass(const IR::Program& program);
// Dual Vertex
void VertexATransformPass(IR::Program& program);
void VertexBTransformPass(IR::Program& program);
void DualVertexJoinPass(IR::Program& program);
void JoinTextureInfo(Info& base, Info& source);
void JoinStorageInfo(Info& base, Info& source);

20
src/video_core/renderer_opengl/gl_shader_cache.cpp
View file

@ -40,6 +40,7 @@ namespace OpenGL {
namespace {
using Shader::Backend::GLASM::EmitGLASM;
using Shader::Backend::SPIRV::EmitSPIRV;
using Shader::Maxwell::MergeDualVertexPrograms;
using Shader::Maxwell::TranslateProgram;
using VideoCommon::ComputeEnvironment;
using VideoCommon::FileEnvironment;
@ -446,6 +447,8 @@ std::unique_ptr<GraphicsPipeline> ShaderCache::CreateGraphicsPipeline(
size_t env_index{};
u32 total_storage_buffers{};
std::array<Shader::IR::Program, Maxwell::MaxShaderProgram> programs;
const bool uses_vertex_a{key.unique_hashes[0] != 0};
const bool uses_vertex_b{key.unique_hashes[1] != 0};
for (size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
if (key.unique_hashes[index] == 0) {
continue;
@ -454,12 +457,23 @@ std::unique_ptr<GraphicsPipeline> ShaderCache::CreateGraphicsPipeline(
++env_index;
const u32 cfg_offset{static_cast<u32>(env.StartAddress() + sizeof(Shader::ProgramHeader))};
Shader::Maxwell::Flow::CFG cfg(env, pools.flow_block, cfg_offset);
Shader::Maxwell::Flow::CFG cfg(env, pools.flow_block, cfg_offset, index == 0);
if (!uses_vertex_a || index != 1) {
// Normal path
programs[index] = TranslateProgram(pools.inst, pools.block, env, cfg);
for (const auto& desc : programs[index].info.storage_buffers_descriptors) {
total_storage_buffers += desc.count;
}
} else {
// VertexB path when VertexA is present.
Shader::IR::Program& program_va{programs[0]};
Shader::IR::Program program_vb{TranslateProgram(pools.inst, pools.block, env, cfg)};
for (const auto& desc : program_vb.info.storage_buffers_descriptors) {
total_storage_buffers += desc.count;
}
programs[index] = MergeDualVertexPrograms(program_va, program_vb, env);
}
}
const u32 glasm_storage_buffer_limit{device.GetMaxGLASMStorageBufferBlocks()};
const bool glasm_use_storage_buffers{total_storage_buffers <= glasm_storage_buffer_limit};
@ -472,7 +486,9 @@ std::unique_ptr<GraphicsPipeline> ShaderCache::CreateGraphicsPipeline(
if (!device.UseAssemblyShaders()) {
source_program.handle = glCreateProgram();
}
for (size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
for (size_t index = uses_vertex_a && uses_vertex_b ? 1 : 0; index < Maxwell::MaxShaderProgram;
++index) {
if (key.unique_hashes[index] == 0) {
continue;
}