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VideoCore/Shader: Split interpreter and JIT into separate ShaderEngines
This commit is contained in:
parent
8eefc62833
commit
114d6b2f97
8 changed files with 160 additions and 104 deletions
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@ -50,9 +50,11 @@ set(HEADERS
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if(ARCHITECTURE_x86_64)
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set(SRCS ${SRCS}
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shader/shader_jit_x64.cpp
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shader/shader_jit_x64_compiler.cpp)
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set(HEADERS ${HEADERS}
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shader/shader_jit_x64.h
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shader/shader_jit_x64_compiler.h)
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endif()
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@ -499,7 +499,7 @@ void Init() {
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}
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void Shutdown() {
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Shader::ClearCache();
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Shader::Shutdown();
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}
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template <typename T>
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@ -2,14 +2,8 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <atomic>
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#include <cmath>
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#include <cstring>
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#include <unordered_map>
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#include <utility>
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#include <boost/range/algorithm/fill.hpp>
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#include "common/bit_field.h"
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#include "common/hash.h"
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#include "common/logging/log.h"
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#include "common/microprofile.h"
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#include "video_core/pica.h"
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@ -17,7 +11,7 @@
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#include "video_core/shader/shader.h"
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#include "video_core/shader/shader_interpreter.h"
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#ifdef ARCHITECTURE_x86_64
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#include "video_core/shader/shader_jit_x64_compiler.h"
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#include "video_core/shader/shader_jit_x64.h"
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#endif // ARCHITECTURE_x86_64
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#include "video_core/video_core.h"
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@ -87,91 +81,31 @@ void UnitState::LoadInputVertex(const InputVertex& input, int num_attributes) {
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conditional_code[1] = false;
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}
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class MergedShaderEngine : public ShaderEngine {
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public:
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void SetupBatch(const ShaderSetup* setup) override;
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void Run(UnitState& state, unsigned int entry_point) const override;
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DebugData<true> ProduceDebugInfo(const InputVertex& input, int num_attributes,
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unsigned int entry_point) const override;
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private:
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const ShaderSetup* setup = nullptr;
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};
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#ifdef ARCHITECTURE_x86_64
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static std::unordered_map<u64, std::unique_ptr<JitShader>> shader_map;
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static const JitShader* jit_shader;
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#endif // ARCHITECTURE_x86_64
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void ClearCache() {
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#ifdef ARCHITECTURE_x86_64
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shader_map.clear();
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#endif // ARCHITECTURE_x86_64
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}
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void MergedShaderEngine::SetupBatch(const ShaderSetup* setup_) {
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setup = setup_;
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if (setup == nullptr)
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return;
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#ifdef ARCHITECTURE_x86_64
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if (VideoCore::g_shader_jit_enabled) {
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u64 code_hash = Common::ComputeHash64(&setup->program_code, sizeof(setup->program_code));
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u64 swizzle_hash = Common::ComputeHash64(&setup->swizzle_data, sizeof(setup->swizzle_data));
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u64 cache_key = code_hash ^ swizzle_hash;
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auto iter = shader_map.find(cache_key);
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if (iter != shader_map.end()) {
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jit_shader = iter->second.get();
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} else {
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auto shader = std::make_unique<JitShader>();
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shader->Compile();
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jit_shader = shader.get();
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shader_map[cache_key] = std::move(shader);
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}
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}
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#endif // ARCHITECTURE_x86_64
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}
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MICROPROFILE_DEFINE(GPU_Shader, "GPU", "Shader", MP_RGB(50, 50, 240));
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void MergedShaderEngine::Run(UnitState& state, unsigned int entry_point) const {
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ASSERT(setup != nullptr);
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ASSERT(entry_point < 1024);
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MICROPROFILE_SCOPE(GPU_Shader);
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#ifdef ARCHITECTURE_x86_64
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if (VideoCore::g_shader_jit_enabled) {
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jit_shader->Run(*setup, state, entry_point);
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} else {
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DebugData<false> dummy_debug_data;
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RunInterpreter(*setup, state, dummy_debug_data, entry_point);
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}
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#else
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DebugData<false> dummy_debug_data;
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RunInterpreter(*setup, state, dummy_debug_data, entry_point);
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static std::unique_ptr<JitX64Engine> jit_engine;
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#endif // ARCHITECTURE_x86_64
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}
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DebugData<true> MergedShaderEngine::ProduceDebugInfo(const InputVertex& input, int num_attributes,
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unsigned int entry_point) const {
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ASSERT(setup != nullptr);
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ASSERT(entry_point < 1024);
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UnitState state;
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DebugData<true> debug_data;
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// Setup input register table
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boost::fill(state.registers.input, Math::Vec4<float24>::AssignToAll(float24::Zero()));
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state.LoadInputVertex(input, num_attributes);
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RunInterpreter(*setup, state, debug_data, entry_point);
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return debug_data;
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}
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static InterpreterEngine interpreter_engine;
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ShaderEngine* GetEngine() {
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static MergedShaderEngine merged_engine;
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return &merged_engine;
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#ifdef ARCHITECTURE_x86_64
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// TODO(yuriks): Re-initialize on each change rather than being persistent
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if (VideoCore::g_shader_jit_enabled) {
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if (jit_engine == nullptr) {
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jit_engine = std::make_unique<JitX64Engine>();
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}
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return jit_engine.get();
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}
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#endif // ARCHITECTURE_x86_64
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return &interpreter_engine;
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}
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void Shutdown() {
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#ifdef ARCHITECTURE_x86_64
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jit_engine = nullptr;
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#endif // ARCHITECTURE_x86_64
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}
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} // namespace Shader
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@ -6,7 +6,6 @@
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#include <array>
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#include <cstddef>
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#include <memory>
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#include <type_traits>
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#include <nihstro/shader_bytecode.h>
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#include "common/assert.h"
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@ -152,9 +151,6 @@ struct UnitState {
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void LoadInputVertex(const InputVertex& input, int num_attributes);
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};
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/// Clears the shader cache
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void ClearCache();
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struct ShaderSetup {
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struct {
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// The float uniforms are accessed by the shader JIT using SSE instructions, and are
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@ -210,6 +206,7 @@ public:
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// TODO(yuriks): Remove and make it non-global state somewhere
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ShaderEngine* GetEngine();
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void Shutdown();
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} // namespace Shader
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@ -7,10 +7,12 @@
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#include <cmath>
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#include <numeric>
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#include <boost/container/static_vector.hpp>
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#include <boost/range/algorithm/fill.hpp>
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#include <nihstro/shader_bytecode.h>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "common/microprofile.h"
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#include "common/vector_math.h"
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#include "video_core/pica_state.h"
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#include "video_core/pica_types.h"
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@ -37,8 +39,8 @@ struct CallStackElement {
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};
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template <bool Debug>
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void RunInterpreter(const ShaderSetup& setup, UnitState& state, DebugData<Debug>& debug_data,
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unsigned offset) {
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static void RunInterpreter(const ShaderSetup& setup, UnitState& state, DebugData<Debug>& debug_data,
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unsigned offset) {
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// TODO: Is there a maximal size for this?
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boost::container::static_vector<CallStackElement, 16> call_stack;
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u32 program_counter = offset;
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@ -647,9 +649,36 @@ void RunInterpreter(const ShaderSetup& setup, UnitState& state, DebugData<Debug>
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}
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}
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// Explicit instantiation
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template void RunInterpreter(const ShaderSetup&, UnitState&, DebugData<false>&, unsigned offset);
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template void RunInterpreter(const ShaderSetup&, UnitState&, DebugData<true>&, unsigned offset);
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void InterpreterEngine::SetupBatch(const ShaderSetup* setup_) {
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setup = setup_;
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}
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MICROPROFILE_DECLARE(GPU_Shader);
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void InterpreterEngine::Run(UnitState& state, unsigned int entry_point) const {
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ASSERT(setup != nullptr);
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ASSERT(entry_point < 1024);
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MICROPROFILE_SCOPE(GPU_Shader);
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DebugData<false> dummy_debug_data;
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RunInterpreter(*setup, state, dummy_debug_data, entry_point);
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}
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DebugData<true> InterpreterEngine::ProduceDebugInfo(const InputVertex& input, int num_attributes,
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unsigned int entry_point) const {
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ASSERT(setup != nullptr);
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ASSERT(entry_point < 1024);
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UnitState state;
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DebugData<true> debug_data;
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// Setup input register table
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boost::fill(state.registers.input, Math::Vec4<float24>::AssignToAll(float24::Zero()));
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state.LoadInputVertex(input, num_attributes);
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RunInterpreter(*setup, state, debug_data, entry_point);
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return debug_data;
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}
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} // namespace
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@ -4,19 +4,22 @@
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#pragma once
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#include "video_core/shader/shader.h"
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namespace Pica {
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namespace Shader {
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struct ShaderSetup;
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struct UnitState;
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class InterpreterEngine final : public ShaderEngine {
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public:
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void SetupBatch(const ShaderSetup* setup) override;
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void Run(UnitState& state, unsigned int entry_point) const override;
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DebugData<true> ProduceDebugInfo(const InputVertex& input, int num_attributes,
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unsigned int entry_point) const override;
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template <bool Debug>
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struct DebugData;
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template <bool Debug>
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void RunInterpreter(const ShaderSetup& setup, UnitState& state, DebugData<Debug>& debug_data,
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unsigned offset);
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private:
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const ShaderSetup* setup = nullptr;
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};
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} // namespace
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56
src/video_core/shader/shader_jit_x64.cpp
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56
src/video_core/shader/shader_jit_x64.cpp
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/hash.h"
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#include "common/microprofile.h"
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#include "video_core/shader/shader.h"
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#include "video_core/shader/shader_jit_x64.h"
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#include "video_core/shader/shader_jit_x64_compiler.h"
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namespace Pica {
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namespace Shader {
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JitX64Engine::JitX64Engine() = default;
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JitX64Engine::~JitX64Engine() = default;
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void JitX64Engine::SetupBatch(const ShaderSetup* setup_) {
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cached_shader = nullptr;
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setup = setup_;
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if (setup == nullptr)
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return;
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u64 code_hash = Common::ComputeHash64(&setup->program_code, sizeof(setup->program_code));
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u64 swizzle_hash = Common::ComputeHash64(&setup->swizzle_data, sizeof(setup->swizzle_data));
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u64 cache_key = code_hash ^ swizzle_hash;
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auto iter = cache.find(cache_key);
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if (iter != cache.end()) {
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cached_shader = iter->second.get();
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} else {
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auto shader = std::make_unique<JitShader>();
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shader->Compile();
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cached_shader = shader.get();
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cache.emplace_hint(iter, cache_key, std::move(shader));
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}
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}
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MICROPROFILE_DECLARE(GPU_Shader);
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void JitX64Engine::Run(UnitState& state, unsigned int entry_point) const {
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ASSERT(setup != nullptr);
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ASSERT(cached_shader != nullptr);
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ASSERT(entry_point < 1024);
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MICROPROFILE_SCOPE(GPU_Shader);
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cached_shader->Run(*setup, state, entry_point);
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}
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DebugData<true> JitX64Engine::ProduceDebugInfo(const InputVertex& input, int num_attributes,
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unsigned int entry_point) const {
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UNIMPLEMENTED_MSG("Shader tracing/debugging is not supported by the JIT.");
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}
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} // namespace Shader
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} // namespace Pica
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35
src/video_core/shader/shader_jit_x64.h
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35
src/video_core/shader/shader_jit_x64.h
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <unordered_map>
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#include "common/common_types.h"
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#include "video_core/shader/shader.h"
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namespace Pica {
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namespace Shader {
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class JitShader;
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class JitX64Engine final : public ShaderEngine {
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public:
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JitX64Engine();
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~JitX64Engine() override;
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void SetupBatch(const ShaderSetup* setup) override;
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void Run(UnitState& state, unsigned int entry_point) const override;
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DebugData<true> ProduceDebugInfo(const InputVertex& input, int num_attributes,
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unsigned int entry_point) const override;
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private:
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const ShaderSetup* setup = nullptr;
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std::unordered_map<u64, std::unique_ptr<JitShader>> cache;
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const JitShader* cached_shader = nullptr;
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};
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} // namespace Shader
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} // namespace Pica
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