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VideoBackends / VideoCommon: refactor Vulkan to use new SPIRV functionality

This commit is contained in:
iwubcode 2022-05-24 23:12:47 -05:00
parent c2d3b7e7f5
commit dda1479ecf
5 changed files with 49 additions and 213 deletions
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6
Source/Core/VideoBackends/D3DCommon/Shader.cpp
View File

@ -114,7 +114,7 @@ std::optional<SPIRV::CodeVector> GetSpirv(ShaderStage stage, std::string_view so
case ShaderStage::Vertex:
{
const auto full_source = fmt::format("{}{}", SHADER_HEADER, source);
return SPIRV::CompileVertexShader(full_source);
return SPIRV::CompileVertexShader(full_source, APIType::D3D, glslang::EShTargetSpv_1_0);
}
case ShaderStage::Geometry:
@ -126,13 +126,13 @@ std::optional<SPIRV::CodeVector> GetSpirv(ShaderStage stage, std::string_view so
case ShaderStage::Pixel:
{
const auto full_source = fmt::format("{}{}", SHADER_HEADER, source);
return SPIRV::CompileFragmentShader(full_source);
return SPIRV::CompileFragmentShader(full_source, APIType::D3D, glslang::EShTargetSpv_1_0);
}
case ShaderStage::Compute:
{
const auto full_source = fmt::format("{}{}", COMPUTE_SHADER_HEADER, source);
return SPIRV::CompileComputeShader(full_source);
return SPIRV::CompileComputeShader(full_source, APIType::D3D, glslang::EShTargetSpv_1_0);
}
};

9
Source/Core/VideoBackends/Vulkan/CMakeLists.txt
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@ -54,15 +54,6 @@ PRIVATE
${CMAKE_SOURCE_DIR}/Externals/Vulkan/Include
)
# Silence warnings on glslang by flagging it as a system include
target_include_directories(videovulkan
SYSTEM PRIVATE
${CMAKE_SOURCE_DIR}/Externals/glslang/StandAlone
${CMAKE_SOURCE_DIR}/Externals/glslang/glslang/Public
${CMAKE_SOURCE_DIR}/Externals/glslang/SPIRV
${CMAKE_SOURCE_DIR}/Externals/glslang
)
if(MSVC)
# Add precompiled header
target_link_libraries(videovulkan PRIVATE use_pch)

200
Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
View File

@ -4,36 +4,13 @@
#include "VideoBackends/Vulkan/ShaderCompiler.h"
#include <cstddef>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <memory>
#include <string>
// glslang includes
#include "GlslangToSpv.h"
#include "ResourceLimits.h"
#include "ShaderLang.h"
#include "disassemble.h"
#include "Common/FileUtil.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "Common/Version.h"
#include "VideoBackends/Vulkan/VulkanContext.h"
#include "VideoCommon/VideoBackendBase.h"
#include "VideoCommon/VideoConfig.h"
#include "VideoCommon/Spirv.h"
namespace Vulkan::ShaderCompiler
{
// Registers itself for cleanup via atexit
bool InitializeGlslang();
// Resource limits used when compiling shaders
static const TBuiltInResource* GetCompilerResourceLimits();
// Regarding the UBO bind points, we subtract one from the binding index because
// the OpenGL backend requires UBO #0 for non-block uniforms (at least on NV).
// This allows us to share the same shaders but use bind point #0 in the Vulkan
@ -111,25 +88,9 @@ static const char SUBGROUP_HELPER_HEADER[] = R"(
#define SUBGROUP_MAX(value) value = subgroupMax(value)
)";
static std::optional<SPIRVCodeVector> CompileShaderToSPV(EShLanguage stage,
const char* stage_filename,
std::string_view source,
std::string_view header)
static std::string GetShaderCode(std::string_view source, std::string_view header)
{
if (!InitializeGlslang())
return std::nullopt;
std::unique_ptr<glslang::TShader> shader = std::make_unique<glslang::TShader>(stage);
std::unique_ptr<glslang::TProgram> program;
glslang::TShader::ForbidIncluder includer;
EProfile profile = ECoreProfile;
EShMessages messages =
static_cast<EShMessages>(EShMsgDefault | EShMsgSpvRules | EShMsgVulkanRules);
int default_version = 450;
std::string full_source_code;
const char* pass_source_code = source.data();
int pass_source_code_length = static_cast<int>(source.size());
if (!header.empty())
{
constexpr size_t subgroup_helper_header_length = std::size(SUBGROUP_HELPER_HEADER) - 1;
@ -138,168 +99,41 @@ static std::optional<SPIRVCodeVector> CompileShaderToSPV(EShLanguage stage,
if (g_vulkan_context->SupportsShaderSubgroupOperations())
full_source_code.append(SUBGROUP_HELPER_HEADER, subgroup_helper_header_length);
full_source_code.append(source);
pass_source_code = full_source_code.c_str();
pass_source_code_length = static_cast<int>(full_source_code.length());
}
return full_source_code;
}
static glslang::EShTargetLanguageVersion GetLanguageVersion()
{
// Sub-group operations require Vulkan 1.1 and SPIR-V 1.3.
if (g_vulkan_context->SupportsShaderSubgroupOperations())
shader->setEnvTarget(glslang::EShTargetSpv, glslang::EShTargetSpv_1_3);
return glslang::EShTargetSpv_1_3;
shader->setStringsWithLengths(&pass_source_code, &pass_source_code_length, 1);
auto DumpBadShader = [&](const char* msg) {
static int counter = 0;
std::string filename = VideoBackendBase::BadShaderFilename(stage_filename, counter++);
std::ofstream stream;
File::OpenFStream(stream, filename, std::ios_base::out);
if (stream.good())
{
stream << full_source_code << std::endl;
stream << msg << std::endl;
stream << "Shader Info Log:" << std::endl;
stream << shader->getInfoLog() << std::endl;
stream << shader->getInfoDebugLog() << std::endl;
if (program)
{
stream << "Program Info Log:" << std::endl;
stream << program->getInfoLog() << std::endl;
stream << program->getInfoDebugLog() << std::endl;
}
}
stream << "\n";
stream << "Dolphin Version: " + Common::GetScmRevStr() + "\n";
stream << "Video Backend: " + g_video_backend->GetDisplayName();
stream.close();
PanicAlertFmt("{} (written to {})\nDebug info:\n{}", msg, filename, shader->getInfoLog());
};
if (!shader->parse(GetCompilerResourceLimits(), default_version, profile, false, true, messages,
includer))
{
DumpBadShader("Failed to parse shader");
return std::nullopt;
}
// Even though there's only a single shader, we still need to link it to generate SPV
program = std::make_unique<glslang::TProgram>();
program->addShader(shader.get());
if (!program->link(messages))
{
DumpBadShader("Failed to link program");
return std::nullopt;
}
glslang::TIntermediate* intermediate = program->getIntermediate(stage);
if (!intermediate)
{
DumpBadShader("Failed to generate SPIR-V");
return std::nullopt;
}
SPIRVCodeVector out_code;
spv::SpvBuildLogger logger;
glslang::SpvOptions options;
if (g_ActiveConfig.bEnableValidationLayer)
{
// Attach the source code to the SPIR-V for tools like RenderDoc.
intermediate->addSourceText(pass_source_code, pass_source_code_length);
options.generateDebugInfo = true;
options.disableOptimizer = true;
options.optimizeSize = false;
options.disassemble = false;
options.validate = true;
}
glslang::GlslangToSpv(*intermediate, out_code, &logger, &options);
// Write out messages
// Temporary: skip if it contains "Warning, version 450 is not yet complete; most version-specific
// features are present, but some are missing."
if (strlen(shader->getInfoLog()) > 108)
WARN_LOG_FMT(VIDEO, "Shader info log: {}", shader->getInfoLog());
if (strlen(shader->getInfoDebugLog()) > 0)
WARN_LOG_FMT(VIDEO, "Shader debug info log: {}", shader->getInfoDebugLog());
if (strlen(program->getInfoLog()) > 25)
WARN_LOG_FMT(VIDEO, "Program info log: {}", program->getInfoLog());
if (strlen(program->getInfoDebugLog()) > 0)
WARN_LOG_FMT(VIDEO, "Program debug info log: {}", program->getInfoDebugLog());
const std::string spv_messages = logger.getAllMessages();
if (!spv_messages.empty())
WARN_LOG_FMT(VIDEO, "SPIR-V conversion messages: {}", spv_messages);
// Dump source code of shaders out to file if enabled.
if (g_ActiveConfig.iLog & CONF_SAVESHADERS)
{
static int counter = 0;
std::string filename = StringFromFormat("%s%s_%04i.txt", File::GetUserPath(D_DUMP_IDX).c_str(),
stage_filename, counter++);
std::ofstream stream;
File::OpenFStream(stream, filename, std::ios_base::out);
if (stream.good())
{
stream << full_source_code << std::endl;
stream << "Shader Info Log:" << std::endl;
stream << shader->getInfoLog() << std::endl;
stream << shader->getInfoDebugLog() << std::endl;
stream << "Program Info Log:" << std::endl;
stream << program->getInfoLog() << std::endl;
stream << program->getInfoDebugLog() << std::endl;
stream << "SPIR-V conversion messages: " << std::endl;
stream << spv_messages;
stream << "SPIR-V:" << std::endl;
spv::Disassemble(stream, out_code);
}
}
return out_code;
}
bool InitializeGlslang()
{
static bool glslang_initialized = false;
if (glslang_initialized)
return true;
if (!glslang::InitializeProcess())
{
PanicAlertFmt("Failed to initialize glslang shader compiler");
return false;
}
std::atexit([]() { glslang::FinalizeProcess(); });
glslang_initialized = true;
return true;
}
const TBuiltInResource* GetCompilerResourceLimits()
{
return &glslang::DefaultTBuiltInResource;
return glslang::EShTargetSpv_1_0;
}
std::optional<SPIRVCodeVector> CompileVertexShader(std::string_view source_code)
{
return CompileShaderToSPV(EShLangVertex, "vs", source_code, SHADER_HEADER);
return SPIRV::CompileVertexShader(GetShaderCode(source_code, SHADER_HEADER), APIType::Vulkan,
GetLanguageVersion());
}
std::optional<SPIRVCodeVector> CompileGeometryShader(std::string_view source_code)
{
return CompileShaderToSPV(EShLangGeometry, "gs", source_code, SHADER_HEADER);
return SPIRV::CompileGeometryShader(GetShaderCode(source_code, SHADER_HEADER), APIType::Vulkan,
GetLanguageVersion());
}
std::optional<SPIRVCodeVector> CompileFragmentShader(std::string_view source_code)
{
return CompileShaderToSPV(EShLangFragment, "ps", source_code, SHADER_HEADER);
return SPIRV::CompileFragmentShader(GetShaderCode(source_code, SHADER_HEADER), APIType::Vulkan,
GetLanguageVersion());
}
std::optional<SPIRVCodeVector> CompileComputeShader(std::string_view source_code)
{
return CompileShaderToSPV(EShLangCompute, "cs", source_code, COMPUTE_SHADER_HEADER);
return SPIRV::CompileComputeShader(GetShaderCode(source_code, SHADER_HEADER), APIType::Vulkan,
GetLanguageVersion());
}
} // namespace Vulkan::ShaderCompiler

32
Source/Core/VideoCommon/Spirv.cpp
View File

@ -6,7 +6,6 @@
// glslang includes
#include "GlslangToSpv.h"
#include "ResourceLimits.h"
#include "ShaderLang.h"
#include "disassemble.h"
#include "Common/FileUtil.h"
@ -44,9 +43,9 @@ const TBuiltInResource* GetCompilerResourceLimits()
}
std::optional<SPIRV::CodeVector>
CompileShaderToSPV(EShLanguage stage,
std::optional<glslang::EShTargetLanguageVersion> language_version,
const char* stage_filename, std::string_view source)
CompileShaderToSPV(EShLanguage stage, APIType api_type,
glslang::EShTargetLanguageVersion language_version, const char* stage_filename,
std::string_view source)
{
if (!InitializeGlslang())
return std::nullopt;
@ -56,13 +55,14 @@ CompileShaderToSPV(EShLanguage stage,
glslang::TShader::ForbidIncluder includer;
EProfile profile = ECoreProfile;
EShMessages messages = static_cast<EShMessages>(EShMsgDefault | EShMsgSpvRules);
if (api_type == APIType::Vulkan)
messages = static_cast<EShMessages>(messages | EShMsgVulkanRules);
int default_version = 450;
const char* pass_source_code = source.data();
int pass_source_code_length = static_cast<int>(source.size());
if (language_version)
shader->setEnvTarget(glslang::EShTargetSpv, *language_version);
shader->setEnvTarget(glslang::EShTargetSpv, language_version);
shader->setStringsWithLengths(&pass_source_code, &pass_source_code_length, 1);
@ -181,23 +181,27 @@ CompileShaderToSPV(EShLanguage stage,
namespace SPIRV
{
std::optional<CodeVector> CompileVertexShader(std::string_view source_code)
std::optional<CodeVector> CompileVertexShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version)
{
return CompileShaderToSPV(EShLangVertex, std::nullopt, "vs", source_code);
return CompileShaderToSPV(EShLangVertex, api_type, language_version, "vs", source_code);
}
std::optional<CodeVector> CompileGeometryShader(std::string_view source_code)
std::optional<CodeVector> CompileGeometryShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version)
{
return CompileShaderToSPV(EShLangGeometry, std::nullopt, "gs", source_code);
return CompileShaderToSPV(EShLangGeometry, api_type, language_version, "gs", source_code);
}
std::optional<CodeVector> CompileFragmentShader(std::string_view source_code)
std::optional<CodeVector> CompileFragmentShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version)
{
return CompileShaderToSPV(EShLangFragment, std::nullopt, "ps", source_code);
return CompileShaderToSPV(EShLangFragment, api_type, language_version, "ps", source_code);
}
std::optional<CodeVector> CompileComputeShader(std::string_view source_code)
std::optional<CodeVector> CompileComputeShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version)
{
return CompileShaderToSPV(EShLangCompute, std::nullopt, "cs", source_code);
return CompileShaderToSPV(EShLangCompute, api_type, language_version, "cs", source_code);
}
} // namespace SPIRV

15
Source/Core/VideoCommon/Spirv.h
View File

@ -8,7 +8,10 @@
#include <string_view>
#include <vector>
#include "ShaderLang.h"
#include "Common/CommonTypes.h"
#include "VideoCommon/VideoCommon.h"
namespace SPIRV
{
@ -17,14 +20,18 @@ using CodeType = u32;
using CodeVector = std::vector<CodeType>;
// Compile a vertex shader to SPIR-V.
std::optional<CodeVector> CompileVertexShader(std::string_view source_code);
std::optional<CodeVector> CompileVertexShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version);
// Compile a geometry shader to SPIR-V.
std::optional<CodeVector> CompileGeometryShader(std::string_view source_code);
std::optional<CodeVector> CompileGeometryShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version);
// Compile a fragment shader to SPIR-V.
std::optional<CodeVector> CompileFragmentShader(std::string_view source_code);
std::optional<CodeVector> CompileFragmentShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version);
// Compile a compute shader to SPIR-V.
std::optional<CodeVector> CompileComputeShader(std::string_view source_code);
std::optional<CodeVector> CompileComputeShader(std::string_view source_code, APIType api_type,
glslang::EShTargetLanguageVersion language_version);
} // namespace SPIRV