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glsl_decompiler: Implementation

This commit is contained in:
ReinUsesLisp 2018-12-20 21:45:49 -03:00
parent fbc67a0563
commit 0c6fb456e0
3 changed files with 1483 additions and 0 deletions

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@ -84,6 +84,8 @@ add_library(video_core STATIC
shader/decode/xmad.cpp
shader/decode/other.cpp
shader/decode.cpp
shader/glsl_decompiler.cpp
shader/glsl_decompiler.h
shader/shader_ir.cpp
shader/shader_ir.h
surface.cpp

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@ -0,0 +1,88 @@
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <string>
#include <utility>
#include <vector>
#include "common/common_types.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/shader/shader_ir.h"
namespace VideoCommon::Shader {
class ShaderIR;
}
namespace OpenGL::GLShader {
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
class ConstBufferEntry : public VideoCommon::Shader::ConstBuffer {
public:
explicit ConstBufferEntry(const VideoCommon::Shader::ConstBuffer& entry,
Maxwell::ShaderStage stage, const std::string& name, u32 index)
: VideoCommon::Shader::ConstBuffer{entry}, stage{stage}, name{name}, index{index} {}
const std::string& GetName() const {
return name;
}
Maxwell::ShaderStage GetStage() const {
return stage;
}
u32 GetIndex() const {
return index;
}
u32 GetHash() const {
return (static_cast<u32>(stage) << 16) | index;
}
private:
std::string name;
Maxwell::ShaderStage stage{};
u32 index{};
};
class SamplerEntry : public VideoCommon::Shader::Sampler {
public:
explicit SamplerEntry(const VideoCommon::Shader::Sampler& entry, Maxwell::ShaderStage stage,
const std::string& name)
: VideoCommon::Shader::Sampler{entry}, stage{stage}, name{name} {}
const std::string& GetName() const {
return name;
}
Maxwell::ShaderStage GetStage() const {
return stage;
}
u32 GetHash() const {
return (static_cast<u32>(stage) << 16) | GetIndex();
}
private:
std::string name;
Maxwell::ShaderStage stage{};
};
struct ShaderEntries {
std::vector<ConstBufferEntry> const_buffers;
std::vector<SamplerEntry> samplers;
std::array<bool, Maxwell::NumClipDistances> clip_distances{};
std::size_t shader_length{};
};
using ProgramResult = std::pair<std::string, ShaderEntries>;
std::string GetCommonDeclarations();
ProgramResult Decompile(const VideoCommon::Shader::ShaderIR& ir, Maxwell::ShaderStage stage,
const std::string& suffix);
} // namespace OpenGL::GLShader