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Merge pull request #2235 from ReinUsesLisp/spirv-decompiler

vk_shader_decompiler: Implement a SPIR-V decompiler
This commit is contained in:
bunnei 2019-04-11 21:54:23 -04:00 committed by GitHub
commit ea80e2bc57
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 1474 additions and 1 deletions

3
.gitmodules vendored
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@ -43,3 +43,6 @@
[submodule "externals/zstd"]
path = externals/zstd
url = https://github.com/facebook/zstd
[submodule "sirit"]
path = externals/sirit
url = https://github.com/ReinUsesLisp/sirit

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@ -72,6 +72,11 @@ if (USE_DISCORD_PRESENCE)
target_include_directories(discord-rpc INTERFACE ./discord-rpc/include)
endif()
# Sirit
if (ENABLE_VULKAN)
add_subdirectory(sirit)
endif()
if (ENABLE_WEB_SERVICE)
# LibreSSL
set(LIBRESSL_SKIP_INSTALL ON CACHE BOOL "")

1
externals/sirit vendored Submodule

@ -0,0 +1 @@
Subproject commit f7c4b07a7e14edb1dcd93bc9879c823423705c2e

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@ -129,12 +129,14 @@ if (ENABLE_VULKAN)
renderer_vulkan/vk_sampler_cache.h
renderer_vulkan/vk_scheduler.cpp
renderer_vulkan/vk_scheduler.h
renderer_vulkan/vk_shader_decompiler.cpp
renderer_vulkan/vk_shader_decompiler.h
renderer_vulkan/vk_stream_buffer.cpp
renderer_vulkan/vk_stream_buffer.h
renderer_vulkan/vk_swapchain.cpp
renderer_vulkan/vk_swapchain.h)
target_include_directories(video_core PRIVATE ../../externals/Vulkan-Headers/include)
target_include_directories(video_core PRIVATE sirit ../../externals/Vulkan-Headers/include)
target_compile_definitions(video_core PRIVATE HAS_VULKAN)
endif()
@ -142,3 +144,6 @@ create_target_directory_groups(video_core)
target_link_libraries(video_core PUBLIC common core)
target_link_libraries(video_core PRIVATE glad)
if (ENABLE_VULKAN)
target_link_libraries(video_core PRIVATE sirit)
endif()

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@ -0,0 +1,80 @@
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <memory>
#include <set>
#include <utility>
#include <vector>
#include <sirit/sirit.h>
#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 Vulkan::VKShader {
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
using SamplerEntry = VideoCommon::Shader::Sampler;
constexpr u32 DESCRIPTOR_SET = 0;
class ConstBufferEntry : public VideoCommon::Shader::ConstBuffer {
public:
explicit constexpr ConstBufferEntry(const VideoCommon::Shader::ConstBuffer& entry, u32 index)
: VideoCommon::Shader::ConstBuffer{entry}, index{index} {}
constexpr u32 GetIndex() const {
return index;
}
private:
u32 index{};
};
class GlobalBufferEntry {
public:
explicit GlobalBufferEntry(u32 cbuf_index, u32 cbuf_offset)
: cbuf_index{cbuf_index}, cbuf_offset{cbuf_offset} {}
u32 GetCbufIndex() const {
return cbuf_index;
}
u32 GetCbufOffset() const {
return cbuf_offset;
}
private:
u32 cbuf_index{};
u32 cbuf_offset{};
};
struct ShaderEntries {
u32 const_buffers_base_binding{};
u32 global_buffers_base_binding{};
u32 samplers_base_binding{};
std::vector<ConstBufferEntry> const_buffers;
std::vector<GlobalBufferEntry> global_buffers;
std::vector<SamplerEntry> samplers;
std::set<u32> attributes;
std::array<bool, Maxwell::NumClipDistances> clip_distances{};
std::size_t shader_length{};
Sirit::Id entry_function{};
std::vector<Sirit::Id> interfaces;
};
using DecompilerResult = std::pair<std::unique_ptr<Sirit::Module>, ShaderEntries>;
DecompilerResult Decompile(const VideoCommon::Shader::ShaderIR& ir, Maxwell::ShaderStage stage);
} // namespace Vulkan::VKShader