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Merge pull request #1744 from degasus/shader_cache
shader_cache: Only lock covered instructions.
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commit
69b3f98d3a
@ -84,6 +84,7 @@ CachedShader::CachedShader(VAddr addr, Maxwell::ShaderProgram program_type)
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}
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}
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entries = program_result.second;
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entries = program_result.second;
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shader_length = entries.shader_length;
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if (program_type != Maxwell::ShaderProgram::Geometry) {
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if (program_type != Maxwell::ShaderProgram::Geometry) {
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OGLShader shader;
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OGLShader shader;
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@ -30,7 +30,7 @@ public:
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}
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}
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std::size_t GetSizeInBytes() const override {
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std::size_t GetSizeInBytes() const override {
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return GLShader::MAX_PROGRAM_CODE_LENGTH * sizeof(u64);
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return shader_length;
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}
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}
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// We do not have to flush this cache as things in it are never modified by us.
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// We do not have to flush this cache as things in it are never modified by us.
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@ -82,6 +82,7 @@ private:
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u32 max_vertices, const std::string& debug_name);
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u32 max_vertices, const std::string& debug_name);
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VAddr addr;
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VAddr addr;
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std::size_t shader_length;
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Maxwell::ShaderProgram program_type;
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Maxwell::ShaderProgram program_type;
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GLShader::ShaderSetup setup;
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GLShader::ShaderSetup setup;
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GLShader::ShaderEntries entries;
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GLShader::ShaderEntries entries;
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@ -84,7 +84,8 @@ struct Subroutine {
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class ControlFlowAnalyzer {
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class ControlFlowAnalyzer {
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public:
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public:
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ControlFlowAnalyzer(const ProgramCode& program_code, u32 main_offset, const std::string& suffix)
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ControlFlowAnalyzer(const ProgramCode& program_code, u32 main_offset, const std::string& suffix)
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: program_code(program_code) {
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: program_code(program_code), shader_coverage_begin(main_offset),
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shader_coverage_end(main_offset + 1) {
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// Recursively finds all subroutines.
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// Recursively finds all subroutines.
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const Subroutine& program_main = AddSubroutine(main_offset, PROGRAM_END, suffix);
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const Subroutine& program_main = AddSubroutine(main_offset, PROGRAM_END, suffix);
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@ -96,10 +97,16 @@ public:
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return std::move(subroutines);
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return std::move(subroutines);
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}
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}
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std::size_t GetShaderLength() const {
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return shader_coverage_end * sizeof(u64);
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}
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private:
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private:
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const ProgramCode& program_code;
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const ProgramCode& program_code;
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std::set<Subroutine> subroutines;
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std::set<Subroutine> subroutines;
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std::map<std::pair<u32, u32>, ExitMethod> exit_method_map;
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std::map<std::pair<u32, u32>, ExitMethod> exit_method_map;
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u32 shader_coverage_begin;
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u32 shader_coverage_end;
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/// Adds and analyzes a new subroutine if it is not added yet.
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/// Adds and analyzes a new subroutine if it is not added yet.
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const Subroutine& AddSubroutine(u32 begin, u32 end, const std::string& suffix) {
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const Subroutine& AddSubroutine(u32 begin, u32 end, const std::string& suffix) {
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@ -141,6 +148,9 @@ private:
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return exit_method;
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return exit_method;
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for (u32 offset = begin; offset != end && offset != PROGRAM_END; ++offset) {
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for (u32 offset = begin; offset != end && offset != PROGRAM_END; ++offset) {
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shader_coverage_begin = std::min(shader_coverage_begin, offset);
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shader_coverage_end = std::max(shader_coverage_end, offset + 1);
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const Instruction instr = {program_code[offset]};
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const Instruction instr = {program_code[offset]};
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if (const auto opcode = OpCode::Decode(instr)) {
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if (const auto opcode = OpCode::Decode(instr)) {
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switch (opcode->get().GetId()) {
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switch (opcode->get().GetId()) {
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@ -939,9 +949,10 @@ private:
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class GLSLGenerator {
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class GLSLGenerator {
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public:
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public:
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GLSLGenerator(const std::set<Subroutine>& subroutines, const ProgramCode& program_code,
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GLSLGenerator(const std::set<Subroutine>& subroutines, const ProgramCode& program_code,
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u32 main_offset, Maxwell3D::Regs::ShaderStage stage, const std::string& suffix)
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u32 main_offset, Maxwell3D::Regs::ShaderStage stage, const std::string& suffix,
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std::size_t shader_length)
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: subroutines(subroutines), program_code(program_code), main_offset(main_offset),
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: subroutines(subroutines), program_code(program_code), main_offset(main_offset),
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stage(stage), suffix(suffix) {
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stage(stage), suffix(suffix), shader_length(shader_length) {
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std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
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std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
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local_memory_size = header.GetLocalMemorySize();
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local_memory_size = header.GetLocalMemorySize();
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regs.SetLocalMemory(local_memory_size);
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regs.SetLocalMemory(local_memory_size);
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@ -954,7 +965,7 @@ public:
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/// Returns entries in the shader that are useful for external functions
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/// Returns entries in the shader that are useful for external functions
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ShaderEntries GetEntries() const {
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ShaderEntries GetEntries() const {
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return {regs.GetConstBuffersDeclarations(), regs.GetSamplers()};
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return {regs.GetConstBuffersDeclarations(), regs.GetSamplers(), shader_length};
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}
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}
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private:
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private:
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@ -3748,6 +3759,7 @@ private:
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Maxwell3D::Regs::ShaderStage stage;
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Maxwell3D::Regs::ShaderStage stage;
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const std::string& suffix;
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const std::string& suffix;
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u64 local_memory_size;
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u64 local_memory_size;
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std::size_t shader_length;
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ShaderWriter shader;
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ShaderWriter shader;
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ShaderWriter declarations;
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ShaderWriter declarations;
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@ -3766,9 +3778,10 @@ std::optional<ProgramResult> DecompileProgram(const ProgramCode& program_code, u
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Maxwell3D::Regs::ShaderStage stage,
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Maxwell3D::Regs::ShaderStage stage,
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const std::string& suffix) {
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const std::string& suffix) {
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try {
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try {
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const auto subroutines =
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ControlFlowAnalyzer analyzer(program_code, main_offset, suffix);
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ControlFlowAnalyzer(program_code, main_offset, suffix).GetSubroutines();
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const auto subroutines = analyzer.GetSubroutines();
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GLSLGenerator generator(subroutines, program_code, main_offset, stage, suffix);
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GLSLGenerator generator(subroutines, program_code, main_offset, stage, suffix,
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analyzer.GetShaderLength());
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return ProgramResult{generator.GetShaderCode(), generator.GetEntries()};
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return ProgramResult{generator.GetShaderCode(), generator.GetEntries()};
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} catch (const DecompileFail& exception) {
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} catch (const DecompileFail& exception) {
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LOG_ERROR(HW_GPU, "Shader decompilation failed: {}", exception.what());
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LOG_ERROR(HW_GPU, "Shader decompilation failed: {}", exception.what());
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@ -163,6 +163,7 @@ private:
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struct ShaderEntries {
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struct ShaderEntries {
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std::vector<ConstBufferEntry> const_buffer_entries;
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std::vector<ConstBufferEntry> const_buffer_entries;
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std::vector<SamplerEntry> texture_samplers;
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std::vector<SamplerEntry> texture_samplers;
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std::size_t shader_length;
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};
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};
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using ProgramResult = std::pair<std::string, ShaderEntries>;
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using ProgramResult = std::pair<std::string, ShaderEntries>;
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