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gl_shader_decompiler: Move entries to a separate function

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This commit is contained in:
ReinUsesLisp 2019-09-24 23:34:18 -03:00 committed by FernandoS27
parent 1244f2d368
commit 7b81ba4d8a
15 changed files with 420 additions and 722 deletions
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477
src/video_core/renderer_opengl/gl_shader_cache.cpp
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@ -3,10 +3,12 @@
// Refer to the license.txt file included.
#include <mutex>
#include <optional>
#include <string>
#include <thread>
#include <unordered_set>
#include <boost/functional/hash.hpp>
#include "common/assert.h"
#include "common/hash.h"
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/frontend/emu_window.h"
@ -22,18 +24,20 @@
namespace OpenGL {
using Tegra::Engines::ShaderType;
using VideoCommon::Shader::ConstBufferLocker;
using VideoCommon::Shader::ProgramCode;
using VideoCommon::Shader::ShaderIR;
namespace {
// One UBO is always reserved for emulation values on staged shaders
constexpr u32 STAGE_RESERVED_UBOS = 1;
struct UnspecializedShader {
std::string code;
GLShader::ShaderEntries entries;
ProgramType program_type;
};
constexpr u32 STAGE_MAIN_OFFSET = 10;
constexpr u32 KERNEL_MAIN_OFFSET = 0;
namespace {
constexpr VideoCommon::Shader::CompilerSettings COMPILER_SETTINGS{};
/// Gets the address for the specified shader stage program
GPUVAddr GetShaderAddress(Core::System& system, Maxwell::ShaderProgram program) {
@ -42,6 +46,39 @@ GPUVAddr GetShaderAddress(Core::System& system, Maxwell::ShaderProgram program)
return gpu.regs.code_address.CodeAddress() + shader_config.offset;
}
/// Gets if the current instruction offset is a scheduler instruction
constexpr bool IsSchedInstruction(std::size_t offset, std::size_t main_offset) {
// Sched instructions appear once every 4 instructions.
constexpr std::size_t SchedPeriod = 4;
const std::size_t absolute_offset = offset - main_offset;
return (absolute_offset % SchedPeriod) == 0;
}
/// Calculates the size of a program stream
std::size_t CalculateProgramSize(const GLShader::ProgramCode& program) {
constexpr std::size_t start_offset = 10;
// This is the encoded version of BRA that jumps to itself. All Nvidia
// shaders end with one.
constexpr u64 self_jumping_branch = 0xE2400FFFFF07000FULL;
constexpr u64 mask = 0xFFFFFFFFFF7FFFFFULL;
std::size_t offset = start_offset;
while (offset < program.size()) {
const u64 instruction = program[offset];
if (!IsSchedInstruction(offset, start_offset)) {
if ((instruction & mask) == self_jumping_branch) {
// End on Maxwell's "nop" instruction
break;
}
if (instruction == 0) {
break;
}
}
offset++;
}
// The last instruction is included in the program size
return std::min(offset + 1, program.size());
}
/// Gets the shader program code from memory for the specified address
ProgramCode GetShaderCode(Tegra::MemoryManager& memory_manager, const GPUVAddr gpu_addr,
const u8* host_ptr) {
@ -52,6 +89,7 @@ ProgramCode GetShaderCode(Tegra::MemoryManager& memory_manager, const GPUVAddr g
});
memory_manager.ReadBlockUnsafe(gpu_addr, program_code.data(),
program_code.size() * sizeof(u64));
program_code.resize(CalculateProgramSize(program_code));
return program_code;
}
@ -72,14 +110,6 @@ constexpr GLenum GetShaderType(ProgramType program_type) {
}
}
/// Gets if the current instruction offset is a scheduler instruction
constexpr bool IsSchedInstruction(std::size_t offset, std::size_t main_offset) {
// Sched instructions appear once every 4 instructions.
constexpr std::size_t SchedPeriod = 4;
const std::size_t absolute_offset = offset - main_offset;
return (absolute_offset % SchedPeriod) == 0;
}
/// Describes primitive behavior on geometry shaders
constexpr std::tuple<const char*, const char*, u32> GetPrimitiveDescription(GLenum primitive_mode) {
switch (primitive_mode) {
@ -122,122 +152,114 @@ ProgramType GetProgramType(Maxwell::ShaderProgram program) {
return {};
}
/// Calculates the size of a program stream
std::size_t CalculateProgramSize(const GLShader::ProgramCode& program) {
constexpr std::size_t start_offset = 10;
// This is the encoded version of BRA that jumps to itself. All Nvidia
// shaders end with one.
constexpr u64 self_jumping_branch = 0xE2400FFFFF07000FULL;
constexpr u64 mask = 0xFFFFFFFFFF7FFFFFULL;
std::size_t offset = start_offset;
std::size_t size = start_offset * sizeof(u64);
while (offset < program.size()) {
const u64 instruction = program[offset];
if (!IsSchedInstruction(offset, start_offset)) {
if ((instruction & mask) == self_jumping_branch) {
// End on Maxwell's "nop" instruction
break;
}
if (instruction == 0) {
break;
}
}
size += sizeof(u64);
offset++;
}
// The last instruction is included in the program size
return std::min(size + sizeof(u64), program.size() * sizeof(u64));
}
/// Hashes one (or two) program streams
u64 GetUniqueIdentifier(ProgramType program_type, const ProgramCode& code,
const ProgramCode& code_b, std::size_t size_a = 0, std::size_t size_b = 0) {
if (size_a == 0) {
size_a = CalculateProgramSize(code);
}
u64 unique_identifier = Common::CityHash64(reinterpret_cast<const char*>(code.data()), size_a);
if (program_type != ProgramType::VertexA) {
return unique_identifier;
}
const ProgramCode& code_b) {
u64 unique_identifier = boost::hash_value(code);
if (program_type == ProgramType::VertexA) {
// VertexA programs include two programs
std::size_t seed = 0;
boost::hash_combine(seed, unique_identifier);
if (size_b == 0) {
size_b = CalculateProgramSize(code_b);
boost::hash_combine(unique_identifier, boost::hash_value(code_b));
}
const u64 identifier_b =
Common::CityHash64(reinterpret_cast<const char*>(code_b.data()), size_b);
boost::hash_combine(seed, identifier_b);
return static_cast<u64>(seed);
return unique_identifier;
}
/// Creates an unspecialized program from code streams
GLShader::ProgramResult CreateProgram(Core::System& system, const Device& device,
ProgramType program_type, ProgramCode program_code,
ProgramCode program_code_b) {
GLShader::ShaderSetup setup(program_code);
setup.program.size_a = CalculateProgramSize(program_code);
setup.program.size_b = 0;
if (program_type == ProgramType::VertexA) {
// VertexB is always enabled, so when VertexA is enabled, we have two vertex shaders.
// Conventional HW does not support this, so we combine VertexA and VertexB into one
// stage here.
setup.SetProgramB(program_code_b);
setup.program.size_b = CalculateProgramSize(program_code_b);
}
setup.program.unique_identifier = GetUniqueIdentifier(
program_type, program_code, program_code_b, setup.program.size_a, setup.program.size_b);
std::string GenerateGLSL(const Device& device, ProgramType program_type, const ShaderIR& ir,
const std::optional<ShaderIR>& ir_b) {
switch (program_type) {
case ProgramType::VertexA:
case ProgramType::VertexB: {
VideoCommon::Shader::ConstBufferLocker locker{Tegra::Engines::ShaderType::Vertex,
&(system.GPU().Maxwell3D())};
return GLShader::GenerateVertexShader(locker, device, setup);
}
case ProgramType::Geometry: {
VideoCommon::Shader::ConstBufferLocker locker{Tegra::Engines::ShaderType::Geometry,
&(system.GPU().Maxwell3D())};
return GLShader::GenerateGeometryShader(locker, device, setup);
}
case ProgramType::Fragment: {
VideoCommon::Shader::ConstBufferLocker locker{Tegra::Engines::ShaderType::Fragment,
&(system.GPU().Maxwell3D())};
return GLShader::GenerateFragmentShader(locker, device, setup);
}
case ProgramType::Compute: {
VideoCommon::Shader::ConstBufferLocker locker{Tegra::Engines::ShaderType::Compute, &(system.GPU().KeplerCompute())};
return GLShader::GenerateComputeShader(locker, device, setup);
}
case ProgramType::VertexB:
return GLShader::GenerateVertexShader(device, ir, ir_b ? &*ir_b : nullptr);
case ProgramType::Geometry:
return GLShader::GenerateGeometryShader(device, ir);
case ProgramType::Fragment:
return GLShader::GenerateFragmentShader(device, ir);
case ProgramType::Compute:
return GLShader::GenerateComputeShader(device, ir);
default:
UNIMPLEMENTED_MSG("Unimplemented program_type={}", static_cast<u32>(program_type));
return {};
}
}
CachedProgram SpecializeShader(const std::string& code, const GLShader::ShaderEntries& entries,
ProgramType program_type, const ProgramVariant& variant,
constexpr const char* GetProgramTypeName(ProgramType program_type) {
switch (program_type) {
case ProgramType::VertexA:
case ProgramType::VertexB:
return "VS";
case ProgramType::TessellationControl:
return "TCS";
case ProgramType::TessellationEval:
return "TES";
case ProgramType::Geometry:
return "GS";
case ProgramType::Fragment:
return "FS";
case ProgramType::Compute:
return "CS";
}
return "UNK";
}
Tegra::Engines::ShaderType GetEnginesShaderType(ProgramType program_type) {
switch (program_type) {
case ProgramType::VertexA:
case ProgramType::VertexB:
return Tegra::Engines::ShaderType::Vertex;
case ProgramType::TessellationControl:
return Tegra::Engines::ShaderType::TesselationControl;
case ProgramType::TessellationEval:
return Tegra::Engines::ShaderType::TesselationEval;
case ProgramType::Geometry:
return Tegra::Engines::ShaderType::Geometry;
case ProgramType::Fragment:
return Tegra::Engines::ShaderType::Fragment;
case ProgramType::Compute:
return Tegra::Engines::ShaderType::Compute;
}
UNREACHABLE();
return {};
}
std::string GetShaderId(u64 unique_identifier, ProgramType program_type) {
return fmt::format("{}{:016X}", GetProgramTypeName(program_type), unique_identifier);
}
CachedProgram BuildShader(const Device& device, u64 unique_identifier, ProgramType program_type,
const ProgramCode& program_code, const ProgramCode& program_code_b,
const ProgramVariant& variant, ConstBufferLocker& locker,
bool hint_retrievable = false) {
LOG_INFO(Render_OpenGL, "called. {}", GetShaderId(unique_identifier, program_type));
const bool is_compute = program_type == ProgramType::Compute;
const u32 main_offset = is_compute ? KERNEL_MAIN_OFFSET : STAGE_MAIN_OFFSET;
const ShaderIR ir(program_code, main_offset, COMPILER_SETTINGS, locker);
std::optional<ShaderIR> ir_b;
if (!program_code_b.empty()) {
ir_b.emplace(program_code_b, main_offset, COMPILER_SETTINGS, locker);
}
const auto entries = GLShader::GetEntries(ir);
auto base_bindings{variant.base_bindings};
const auto primitive_mode{variant.primitive_mode};
const auto texture_buffer_usage{variant.texture_buffer_usage};
std::string source = R"(#version 430 core
std::string source = fmt::format(R"(// {}
#version 430 core
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shader_viewport_layer_array : enable
#extension GL_EXT_shader_image_load_formatted : enable
#extension GL_NV_gpu_shader5 : enable
#extension GL_NV_shader_thread_group : enable
#extension GL_NV_shader_thread_shuffle : enable
)";
if (program_type == ProgramType::Compute) {
)",
GetShaderId(unique_identifier, program_type));
if (is_compute) {
source += "#extension GL_ARB_compute_variable_group_size : require\n";
}
source += '\n';
if (program_type != ProgramType::Compute) {
if (!is_compute) {
source += fmt::format("#define EMULATION_UBO_BINDING {}\n", base_bindings.cbuf++);
}
@ -281,7 +303,7 @@ CachedProgram SpecializeShader(const std::string& code, const GLShader::ShaderEn
}
source += '\n';
source += code;
source += GenerateGLSL(device, program_type, ir, ir_b);
OGLShader shader;
shader.Create(source.c_str(), GetShaderType(program_type));
@ -291,85 +313,86 @@ CachedProgram SpecializeShader(const std::string& code, const GLShader::ShaderEn
return program;
}
std::set<GLenum> GetSupportedFormats() {
std::set<GLenum> supported_formats;
std::unordered_set<GLenum> GetSupportedFormats() {
GLint num_formats{};
glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS, &num_formats);
std::vector<GLint> formats(num_formats);
glGetIntegerv(GL_PROGRAM_BINARY_FORMATS, formats.data());
for (const GLint format : formats)
std::unordered_set<GLenum> supported_formats;
for (const GLint format : formats) {
supported_formats.insert(static_cast<GLenum>(format));
}
return supported_formats;
}
} // Anonymous namespace
CachedShader::CachedShader(const ShaderParameters& params, ProgramType program_type,
GLShader::ProgramResult result)
: RasterizerCacheObject{params.host_ptr}, cpu_addr{params.cpu_addr},
unique_identifier{params.unique_identifier}, program_type{program_type},
disk_cache{params.disk_cache}, precompiled_programs{params.precompiled_programs},
entries{result.second}, code{std::move(result.first)}, shader_length{entries.shader_length} {}
GLShader::ShaderEntries entries, ProgramCode program_code,
ProgramCode program_code_b)
: RasterizerCacheObject{params.host_ptr}, system{params.system},
disk_cache{params.disk_cache}, device{params.device}, cpu_addr{params.cpu_addr},
unique_identifier{params.unique_identifier}, program_type{program_type}, entries{entries},
program_code{std::move(program_code)}, program_code_b{std::move(program_code_b)} {
if (params.precompiled_variants) {
for (const auto& pair : *params.precompiled_variants) {
const auto& variant = pair->first.variant;
programs.emplace(variant, pair->second);
}
}
}
Shader CachedShader::CreateStageFromMemory(const ShaderParameters& params,
Maxwell::ShaderProgram program_type,
ProgramCode&& program_code,
ProgramCode&& program_code_b) {
const auto code_size{CalculateProgramSize(program_code)};
const auto code_size_b{CalculateProgramSize(program_code_b)};
auto result{CreateProgram(params.system, params.device, GetProgramType(program_type),
program_code, program_code_b)};
if (result.first.empty()) {
// TODO(Rodrigo): Unimplemented shader stages hit here, avoid using these for now
return {};
}
ProgramCode program_code, ProgramCode program_code_b) {
params.disk_cache.SaveRaw(ShaderDiskCacheRaw(
params.unique_identifier, GetProgramType(program_type),
static_cast<u32>(code_size / sizeof(u64)), static_cast<u32>(code_size_b / sizeof(u64)),
params.unique_identifier, GetProgramType(program_type), program_code, program_code_b));
ConstBufferLocker locker(GetEnginesShaderType(GetProgramType(program_type)));
const ShaderIR ir(program_code, STAGE_MAIN_OFFSET, COMPILER_SETTINGS, locker);
// TODO(Rodrigo): Handle VertexA shaders
// std::optional<ShaderIR> ir_b;
// if (!program_code_b.empty()) {
// ir_b.emplace(program_code_b, STAGE_MAIN_OFFSET);
// }
return std::shared_ptr<CachedShader>(
new CachedShader(params, GetProgramType(program_type), GLShader::GetEntries(ir),
std::move(program_code), std::move(program_code_b)));
return std::shared_ptr<CachedShader>(
new CachedShader(params, GetProgramType(program_type), std::move(result)));
}
Shader CachedShader::CreateStageFromCache(const ShaderParameters& params,
Maxwell::ShaderProgram program_type,
GLShader::ProgramResult result) {
return std::shared_ptr<CachedShader>(
new CachedShader(params, GetProgramType(program_type), std::move(result)));
Shader CachedShader::CreateKernelFromMemory(const ShaderParameters& params, ProgramCode code) {
params.disk_cache.SaveRaw(
ShaderDiskCacheRaw(params.unique_identifier, ProgramType::Compute, code));
ConstBufferLocker locker(Tegra::Engines::ShaderType::Compute);
const ShaderIR ir(code, KERNEL_MAIN_OFFSET, COMPILER_SETTINGS, locker);
return std::shared_ptr<CachedShader>(new CachedShader(
params, ProgramType::Compute, GLShader::GetEntries(ir), std::move(code), {}));
}
Shader CachedShader::CreateKernelFromMemory(const ShaderParameters& params, ProgramCode&& code) {
auto result{CreateProgram(params.system, params.device, ProgramType::Compute, code, {})};
const auto code_size{CalculateProgramSize(code)};
params.disk_cache.SaveRaw(ShaderDiskCacheRaw(params.unique_identifier, ProgramType::Compute,
static_cast<u32>(code_size / sizeof(u64)), 0,
std::move(code), {}));
return std::shared_ptr<CachedShader>(
new CachedShader(params, ProgramType::Compute, std::move(result)));
}
Shader CachedShader::CreateKernelFromCache(const ShaderParameters& params,
GLShader::ProgramResult result) {
return std::shared_ptr<CachedShader>(
new CachedShader(params, ProgramType::Compute, std::move(result)));
Shader CachedShader::CreateFromCache(const ShaderParameters& params,
const UnspecializedShader& unspecialized) {
return std::shared_ptr<CachedShader>(new CachedShader(params, unspecialized.program_type,
unspecialized.entries, unspecialized.code,
unspecialized.code_b));
}
std::tuple<GLuint, BaseBindings> CachedShader::GetProgramHandle(const ProgramVariant& variant) {
const auto [entry, is_cache_miss] = programs.try_emplace(variant);
auto& program = entry->second;
if (is_cache_miss) {
program = TryLoadProgram(variant);
if (!program) {
program = SpecializeShader(code, entries, program_type, variant);
disk_cache.SaveUsage(GetUsage(variant));
Tegra::Engines::ConstBufferEngineInterface* engine = nullptr;
if (program_type == ProgramType::Compute) {
engine = &system.GPU().KeplerCompute();
} else {
engine = &system.GPU().Maxwell3D();
}
ConstBufferLocker locker(GetEnginesShaderType(program_type), *engine);
program = BuildShader(device, unique_identifier, program_type, program_code, program_code_b,
variant, locker);
disk_cache.SaveUsage(GetUsage(variant));
LabelGLObject(GL_PROGRAM, program->handle, cpu_addr);
}
@ -385,14 +408,6 @@ std::tuple<GLuint, BaseBindings> CachedShader::GetProgramHandle(const ProgramVar
return {program->handle, base_bindings};
}
CachedProgram CachedShader::TryLoadProgram(const ProgramVariant& variant) const {
const auto found = precompiled_programs.find(GetUsage(variant));
if (found == precompiled_programs.end()) {
return {};
}
return found->second;
}
ShaderDiskCacheUsage CachedShader::GetUsage(const ProgramVariant& variant) const {
ShaderDiskCacheUsage usage;
usage.unique_identifier = unique_identifier;
@ -412,18 +427,15 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
return;
}
const auto [raws, shader_usages] = *transferable;
auto [decompiled, dumps] = disk_cache.LoadPrecompiled();
const auto supported_formats{GetSupportedFormats()};
const auto unspecialized_shaders{
GenerateUnspecializedShaders(stop_loading, callback, raws, decompiled)};
if (stop_loading) {
if (!GenerateUnspecializedShaders(stop_loading, callback, raws) || stop_loading) {
return;
}
// Track if precompiled cache was altered during loading to know if we have to serialize the
// virtual precompiled cache file back to the hard drive
const auto dumps = disk_cache.LoadPrecompiled();
const auto supported_formats = GetSupportedFormats();
// Track if precompiled cache was altered during loading to know if we have to
// serialize the virtual precompiled cache file back to the hard drive
bool precompiled_cache_altered = false;
// Inform the frontend about shader build initialization
@ -446,9 +458,6 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
return;
}
const auto& usage{shader_usages[i]};
LOG_INFO(Render_OpenGL, "Building shader {:016x} (index {} of {})",
usage.unique_identifier, i, shader_usages.size());
const auto& unspecialized{unspecialized_shaders.at(usage.unique_identifier)};
const auto dump{dumps.find(usage)};
@ -462,21 +471,27 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
}
}
if (!shader) {
shader = SpecializeShader(unspecialized.code, unspecialized.entries,
unspecialized.program_type, usage.variant, true);
ConstBufferLocker locker(GetEnginesShaderType(unspecialized.program_type));
shader = BuildShader(device, usage.unique_identifier, unspecialized.program_type,
unspecialized.code, unspecialized.code_b, usage.variant,
locker, true);
}
std::scoped_lock lock(mutex);
std::scoped_lock lock{mutex};
if (callback) {
callback(VideoCore::LoadCallbackStage::Build, ++built_shaders,
shader_usages.size());
}
precompiled_programs.emplace(usage, std::move(shader));
// TODO(Rodrigo): Is there a better way to do this?
precompiled_variants[usage.unique_identifier].push_back(
precompiled_programs.find(usage));
}
};
const auto num_workers{static_cast<std::size_t>(std::thread::hardware_concurrency() + 1)};
const auto num_workers{static_cast<std::size_t>(std::thread::hardware_concurrency() + 1ULL)};
const std::size_t bucket_size{shader_usages.size() / num_workers};
std::vector<std::unique_ptr<Core::Frontend::GraphicsContext>> contexts(num_workers);
std::vector<std::thread> threads(num_workers);
@ -496,7 +511,6 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
if (compilation_failed) {
// Invalidate the precompiled cache if a shader dumped shader was rejected
disk_cache.InvalidatePrecompiled();
dumps.clear();
precompiled_cache_altered = true;
return;
}
@ -504,8 +518,8 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
return;
}
// TODO(Rodrigo): Do state tracking for transferable shaders and do a dummy draw before
// precompiling them
// TODO(Rodrigo): Do state tracking for transferable shaders and do a dummy draw
// before precompiling them
for (std::size_t i = 0; i < shader_usages.size(); ++i) {
const auto& usage{shader_usages[i]};
@ -521,9 +535,13 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
}
}
CachedProgram ShaderCacheOpenGL::GeneratePrecompiledProgram(
const ShaderDiskCacheDump& dump, const std::set<GLenum>& supported_formats) {
const PrecompiledVariants* ShaderCacheOpenGL::GetPrecompiledVariants(u64 unique_identifier) const {
const auto it = precompiled_variants.find(unique_identifier);
return it == precompiled_variants.end() ? nullptr : &it->second;
}
CachedProgram ShaderCacheOpenGL::GeneratePrecompiledProgram(
const ShaderDiskCacheDump& dump, const std::unordered_set<GLenum>& supported_formats) {
if (supported_formats.find(dump.binary_format) == supported_formats.end()) {
LOG_INFO(Render_OpenGL, "Precompiled cache entry with unsupported format - removing");
return {};
@ -545,56 +563,52 @@ CachedProgram ShaderCacheOpenGL::GeneratePrecompiledProgram(
return shader;
}
std::unordered_map<u64, UnspecializedShader> ShaderCacheOpenGL::GenerateUnspecializedShaders(
bool ShaderCacheOpenGL::GenerateUnspecializedShaders(
const std::atomic_bool& stop_loading, const VideoCore::DiskResourceLoadCallback& callback,
const std::vector<ShaderDiskCacheRaw>& raws,
const std::unordered_map<u64, ShaderDiskCacheDecompiled>& decompiled) {
std::unordered_map<u64, UnspecializedShader> unspecialized;
const std::vector<ShaderDiskCacheRaw>& raws) {
if (callback) {
callback(VideoCore::LoadCallbackStage::Decompile, 0, raws.size());
}
for (std::size_t i = 0; i < raws.size(); ++i) {
if (stop_loading) {
return {};
return false;
}
const auto& raw{raws[i]};
const u64 unique_identifier{raw.GetUniqueIdentifier()};
const u64 calculated_hash{
GetUniqueIdentifier(raw.GetProgramType(), raw.GetProgramCode(), raw.GetProgramCodeB())};
if (unique_identifier != calculated_hash) {
LOG_ERROR(
Render_OpenGL,
"Invalid hash in entry={:016x} (obtained hash={:016x}) - removing shader cache",
LOG_ERROR(Render_OpenGL,
"Invalid hash in entry={:016x} (obtained hash={:016x}) - "
"removing shader cache",
raw.GetUniqueIdentifier(), calculated_hash);
disk_cache.InvalidateTransferable();
return {};
return false;
}
GLShader::ProgramResult result;
if (const auto it = decompiled.find(unique_identifier); it != decompiled.end()) {
// If it's stored in the precompiled file, avoid decompiling it here
const auto& stored_decompiled{it->second};
result = {stored_decompiled.code, stored_decompiled.entries};
} else {
// Otherwise decompile the shader at boot and save the result to the decompiled file
result = CreateProgram(system, device, raw.GetProgramType(), raw.GetProgramCode(),
raw.GetProgramCodeB());
disk_cache.SaveDecompiled(unique_identifier, result.first, result.second);
}
const u32 main_offset =
raw.GetProgramType() == ProgramType::Compute ? KERNEL_MAIN_OFFSET : STAGE_MAIN_OFFSET;
ConstBufferLocker locker(GetEnginesShaderType(raw.GetProgramType()));
const ShaderIR ir(raw.GetProgramCode(), main_offset, COMPILER_SETTINGS, locker);
// TODO(Rodrigo): Handle VertexA shaders
// std::optional<ShaderIR> ir_b;
// if (raw.HasProgramA()) {
// ir_b.emplace(raw.GetProgramCodeB(), main_offset);
// }
precompiled_shaders.insert({unique_identifier, result});
unspecialized.insert(
{raw.GetUniqueIdentifier(),
{std::move(result.first), std::move(result.second), raw.GetProgramType()}});
UnspecializedShader unspecialized;
unspecialized.entries = GLShader::GetEntries(ir);
unspecialized.program_type = raw.GetProgramType();
unspecialized.code = raw.GetProgramCode();
unspecialized.code_b = raw.GetProgramCodeB();
unspecialized_shaders.emplace(raw.GetUniqueIdentifier(), unspecialized);
if (callback) {
callback(VideoCore::LoadCallbackStage::Decompile, i, raws.size());
}
}
return unspecialized;
return true;
}
Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
@ -603,37 +617,35 @@ Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
}
auto& memory_manager{system.GPU().MemoryManager()};
const GPUVAddr program_addr{GetShaderAddress(system, program)};
const GPUVAddr address{GetShaderAddress(system, program)};
// Look up shader in the cache based on address
const auto host_ptr{memory_manager.GetPointer(program_addr)};
const auto host_ptr{memory_manager.GetPointer(address)};
Shader shader{TryGet(host_ptr)};
if (shader) {
return last_shaders[static_cast<std::size_t>(program)] = shader;
}
// No shader found - create a new one
ProgramCode program_code{GetShaderCode(memory_manager, program_addr, host_ptr)};
ProgramCode program_code_b;
const bool is_program_a{program == Maxwell::ShaderProgram::VertexA};
if (is_program_a) {
const GPUVAddr program_addr_b{GetShaderAddress(system, Maxwell::ShaderProgram::VertexB)};
program_code_b = GetShaderCode(memory_manager, program_addr_b,
memory_manager.GetPointer(program_addr_b));
ProgramCode code{GetShaderCode(memory_manager, address, host_ptr)};
ProgramCode code_b;
if (program == Maxwell::ShaderProgram::VertexA) {
const GPUVAddr address_b{GetShaderAddress(system, Maxwell::ShaderProgram::VertexB)};
code_b = GetShaderCode(memory_manager, address_b, memory_manager.GetPointer(address_b));
}
const auto unique_identifier =
GetUniqueIdentifier(GetProgramType(program), program_code, program_code_b);
const auto cpu_addr{*memory_manager.GpuToCpuAddress(program_addr)};
const ShaderParameters params{disk_cache, precompiled_programs, system, device, cpu_addr,
host_ptr, unique_identifier};
const auto unique_identifier = GetUniqueIdentifier(GetProgramType(program), code, code_b);
const auto precompiled_variants = GetPrecompiledVariants(unique_identifier);
const auto cpu_addr{*memory_manager.GpuToCpuAddress(address)};
const ShaderParameters params{system, disk_cache, precompiled_variants, device,
cpu_addr, host_ptr, unique_identifier};
const auto found = precompiled_shaders.find(unique_identifier);
if (found == precompiled_shaders.end()) {
shader = CachedShader::CreateStageFromMemory(params, program, std::move(program_code),
std::move(program_code_b));
const auto found = unspecialized_shaders.find(unique_identifier);
if (found == unspecialized_shaders.end()) {
shader = CachedShader::CreateStageFromMemory(params, program, std::move(code),
std::move(code_b));
} else {
shader = CachedShader::CreateStageFromCache(params, program, found->second);
shader = CachedShader::CreateFromCache(params, found->second);
}
Register(shader);
@ -651,15 +663,16 @@ Shader ShaderCacheOpenGL::GetComputeKernel(GPUVAddr code_addr) {
// No kernel found - create a new one
auto code{GetShaderCode(memory_manager, code_addr, host_ptr)};
const auto unique_identifier{GetUniqueIdentifier(ProgramType::Compute, code, {})};
const auto precompiled_variants = GetPrecompiledVariants(unique_identifier);
const auto cpu_addr{*memory_manager.GpuToCpuAddress(code_addr)};
const ShaderParameters params{disk_cache, precompiled_programs, system, device, cpu_addr,
host_ptr, unique_identifier};
const ShaderParameters params{system, disk_cache, precompiled_variants, device,
cpu_addr, host_ptr, unique_identifier};
const auto found = precompiled_shaders.find(unique_identifier);
if (found == precompiled_shaders.end()) {
const auto found = unspecialized_shaders.find(unique_identifier);
if (found == unspecialized_shaders.end()) {
kernel = CachedShader::CreateKernelFromMemory(params, std::move(code));
} else {
kernel = CachedShader::CreateKernelFromCache(params, found->second);
kernel = CachedShader::CreateFromCache(params, found->second);
}
Register(kernel);

66
src/video_core/renderer_opengl/gl_shader_cache.h
View file

@ -8,9 +8,10 @@
#include <atomic>
#include <bitset>
#include <memory>
#include <set>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <glad/glad.h>
@ -20,6 +21,7 @@
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
#include "video_core/renderer_opengl/gl_shader_disk_cache.h"
#include "video_core/shader/shader_ir.h"
namespace Core {
class System;
@ -40,12 +42,19 @@ using Shader = std::shared_ptr<CachedShader>;
using CachedProgram = std::shared_ptr<OGLProgram>;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
using PrecompiledPrograms = std::unordered_map<ShaderDiskCacheUsage, CachedProgram>;
using PrecompiledShaders = std::unordered_map<u64, GLShader::ProgramResult>;
using PrecompiledVariants = std::vector<PrecompiledPrograms::iterator>;
struct UnspecializedShader {
GLShader::ShaderEntries entries;
ProgramType program_type;
ProgramCode code;
ProgramCode code_b;
};
struct ShaderParameters {
ShaderDiskCacheOpenGL& disk_cache;
const PrecompiledPrograms& precompiled_programs;
Core::System& system;
ShaderDiskCacheOpenGL& disk_cache;
const PrecompiledVariants* precompiled_variants;
const Device& device;
VAddr cpu_addr;
u8* host_ptr;
@ -56,23 +65,18 @@ class CachedShader final : public RasterizerCacheObject {
public:
static Shader CreateStageFromMemory(const ShaderParameters& params,
Maxwell::ShaderProgram program_type,
ProgramCode&& program_code, ProgramCode&& program_code_b);
ProgramCode program_code, ProgramCode program_code_b);
static Shader CreateKernelFromMemory(const ShaderParameters& params, ProgramCode code);
static Shader CreateStageFromCache(const ShaderParameters& params,
Maxwell::ShaderProgram program_type,
GLShader::ProgramResult result);
static Shader CreateKernelFromMemory(const ShaderParameters& params, ProgramCode&& code);
static Shader CreateKernelFromCache(const ShaderParameters& params,
GLShader::ProgramResult result);
static Shader CreateFromCache(const ShaderParameters& params,
const UnspecializedShader& unspecialized);
VAddr GetCpuAddr() const override {
return cpu_addr;
}
std::size_t GetSizeInBytes() const override {
return shader_length;
return program_code.size() * sizeof(u64);
}
/// Gets the shader entries for the shader
@ -85,21 +89,24 @@ public:
private:
explicit CachedShader(const ShaderParameters& params, ProgramType program_type,
GLShader::ProgramResult result);
CachedProgram TryLoadProgram(const ProgramVariant& variant) const;
GLShader::ShaderEntries entries, ProgramCode program_code,
ProgramCode program_code_b);
ShaderDiskCacheUsage GetUsage(const ProgramVariant& variant) const;
Core::System& system;
ShaderDiskCacheOpenGL& disk_cache;
const Device& device;
VAddr cpu_addr{};
u64 unique_identifier{};
ProgramType program_type{};
ShaderDiskCacheOpenGL& disk_cache;
const PrecompiledPrograms& precompiled_programs;
GLShader::ShaderEntries entries;
std::string code;
std::size_t shader_length{};
ProgramCode program_code;
ProgramCode program_code_b;
std::unordered_map<ProgramVariant, CachedProgram> programs;
};
@ -124,21 +131,26 @@ protected:
void FlushObjectInner(const Shader& object) override {}
private:
std::unordered_map<u64, UnspecializedShader> GenerateUnspecializedShaders(
const std::atomic_bool& stop_loading, const VideoCore::DiskResourceLoadCallback& callback,
const std::vector<ShaderDiskCacheRaw>& raws,
const std::unordered_map<u64, ShaderDiskCacheDecompiled>& decompiled);
bool GenerateUnspecializedShaders(const std::atomic_bool& stop_loading,
const VideoCore::DiskResourceLoadCallback& callback,
const std::vector<ShaderDiskCacheRaw>& raws);
CachedProgram GeneratePrecompiledProgram(const ShaderDiskCacheDump& dump,
const std::set<GLenum>& supported_formats);
const std::unordered_set<GLenum>& supported_formats);
const PrecompiledVariants* GetPrecompiledVariants(u64 unique_identifier) const;
Core::System& system;
Core::Frontend::EmuWindow& emu_window;
const Device& device;
ShaderDiskCacheOpenGL disk_cache;
PrecompiledShaders precompiled_shaders;
PrecompiledPrograms precompiled_programs;
std::unordered_map<u64, PrecompiledVariants> precompiled_variants;
std::unordered_map<u64, UnspecializedShader> unspecialized_shaders;
std::array<Shader, Maxwell::MaxShaderProgram> last_shaders;
};

70
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -415,27 +415,6 @@ public:
return code.GetResult();
}
ShaderEntries GetShaderEntries() const {
ShaderEntries entries;
for (const auto& cbuf : ir.GetConstantBuffers()) {
entries.const_buffers.emplace_back(cbuf.second.GetMaxOffset(), cbuf.second.IsIndirect(),
cbuf.first);
}
for (const auto& sampler : ir.GetSamplers()) {
entries.samplers.emplace_back(sampler);
}
for (const auto& [offset, image] : ir.GetImages()) {
entries.images.emplace_back(image);
}
for (const auto& [base, usage] : ir.GetGlobalMemory()) {
entries.global_memory_entries.emplace_back(base.cbuf_index, base.cbuf_offset,
usage.is_read, usage.is_written);
}
entries.clip_distances = ir.GetClipDistances();
entries.shader_length = ir.GetLength();
return entries;
}
private:
friend class ASTDecompiler;
friend class ExprDecompiler;
@ -2481,25 +2460,46 @@ void GLSLDecompiler::DecompileAST() {
} // Anonymous namespace
std::string GetCommonDeclarations() {
return fmt::format(
"#define ftoi floatBitsToInt\n"
"#define ftou floatBitsToUint\n"
"#define itof intBitsToFloat\n"
"#define utof uintBitsToFloat\n\n"
"bvec2 HalfFloatNanComparison(bvec2 comparison, vec2 pair1, vec2 pair2) {{\n"
" bvec2 is_nan1 = isnan(pair1);\n"
" bvec2 is_nan2 = isnan(pair2);\n"
" return bvec2(comparison.x || is_nan1.x || is_nan2.x, comparison.y || is_nan1.y || "
"is_nan2.y);\n"
"}}\n\n");
ShaderEntries GetEntries(const VideoCommon::Shader::ShaderIR& ir) {
ShaderEntries entries;
for (const auto& cbuf : ir.GetConstantBuffers()) {
entries.const_buffers.emplace_back(cbuf.second.GetMaxOffset(), cbuf.second.IsIndirect(),
cbuf.first);
}
for (const auto& sampler : ir.GetSamplers()) {
entries.samplers.emplace_back(sampler);
}
for (const auto& [offset, image] : ir.GetImages()) {
entries.images.emplace_back(image);
}
for (const auto& [base, usage] : ir.GetGlobalMemory()) {
entries.global_memory_entries.emplace_back(base.cbuf_index, base.cbuf_offset, usage.is_read,
usage.is_written);
}
entries.clip_distances = ir.GetClipDistances();
entries.shader_length = ir.GetLength();
return entries;
}
ProgramResult Decompile(const Device& device, const ShaderIR& ir, ProgramType stage,
std::string GetCommonDeclarations() {
return R"(#define ftoi floatBitsToInt
#define ftou floatBitsToUint
#define itof intBitsToFloat
#define utof uintBitsToFloat
bvec2 HalfFloatNanComparison(bvec2 comparison, vec2 pair1, vec2 pair2) {
bvec2 is_nan1 = isnan(pair1);
bvec2 is_nan2 = isnan(pair2);
return bvec2(comparison.x || is_nan1.x || is_nan2.x, comparison.y || is_nan1.y || is_nan2.y);
}
)";
}
std::string Decompile(const Device& device, const ShaderIR& ir, ProgramType stage,
const std::string& suffix) {
GLSLDecompiler decompiler(device, ir, stage, suffix);
decompiler.Decompile();
return {decompiler.GetResult(), decompiler.GetShaderEntries()};
return decompiler.GetResult();
}
} // namespace OpenGL::GLShader

7
src/video_core/renderer_opengl/gl_shader_decompiler.h
View file

@ -34,10 +34,7 @@ enum class ProgramType : u32 {
namespace OpenGL::GLShader {
struct ShaderEntries;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
using ProgramResult = std::pair<std::string, ShaderEntries>;
using SamplerEntry = VideoCommon::Shader::Sampler;
using ImageEntry = VideoCommon::Shader::Image;
@ -93,9 +90,11 @@ struct ShaderEntries {
std::size_t shader_length{};
};
ShaderEntries GetEntries(const VideoCommon::Shader::ShaderIR& ir);
std::string GetCommonDeclarations();
ProgramResult Decompile(const Device& device, const VideoCommon::Shader::ShaderIR& ir,
std::string Decompile(const Device& device, const VideoCommon::Shader::ShaderIR& ir,
ProgramType stage, const std::string& suffix);
} // namespace OpenGL::GLShader

270
src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
View file

@ -29,12 +29,7 @@ enum class TransferableEntryKind : u32 {
Usage,
};
enum class PrecompiledEntryKind : u32 {
Decompiled,
Dump,
};
constexpr u32 NativeVersion = 4;
constexpr u32 NativeVersion = 5;
// Making sure sizes doesn't change by accident
static_assert(sizeof(BaseBindings) == 16);
@ -49,13 +44,11 @@ ShaderCacheVersionHash GetShaderCacheVersionHash() {
return hash;
}
} // namespace
} // Anonymous namespace
ShaderDiskCacheRaw::ShaderDiskCacheRaw(u64 unique_identifier, ProgramType program_type,
u32 program_code_size, u32 program_code_size_b,
ProgramCode program_code, ProgramCode program_code_b)
: unique_identifier{unique_identifier}, program_type{program_type},
program_code_size{program_code_size}, program_code_size_b{program_code_size_b},
program_code{std::move(program_code)}, program_code_b{std::move(program_code_b)} {}
ShaderDiskCacheRaw::ShaderDiskCacheRaw() = default;
@ -90,15 +83,16 @@ bool ShaderDiskCacheRaw::Load(FileUtil::IOFile& file) {
bool ShaderDiskCacheRaw::Save(FileUtil::IOFile& file) const {
if (file.WriteObject(unique_identifier) != 1 ||
file.WriteObject(static_cast<u32>(program_type)) != 1 ||
file.WriteObject(program_code_size) != 1 || file.WriteObject(program_code_size_b) != 1) {
file.WriteObject(static_cast<u32>(program_code.size())) != 1 ||
file.WriteObject(static_cast<u32>(program_code_b.size())) != 1) {
return false;
}
if (file.WriteArray(program_code.data(), program_code_size) != program_code_size)
if (file.WriteArray(program_code.data(), program_code.size()) != program_code.size())
return false;
if (HasProgramA() &&
file.WriteArray(program_code_b.data(), program_code_size_b) != program_code_size_b) {
file.WriteArray(program_code_b.data(), program_code_b.size()) != program_code_b.size()) {
return false;
}
return true;
@ -186,13 +180,14 @@ ShaderDiskCacheOpenGL::LoadTransferable() {
return {{std::move(raws), std::move(usages)}};
}
std::pair<std::unordered_map<u64, ShaderDiskCacheDecompiled>, ShaderDumpsMap>
std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump>
ShaderDiskCacheOpenGL::LoadPrecompiled() {
if (!is_usable) {
return {};
}
FileUtil::IOFile file(GetPrecompiledPath(), "rb");
std::string path = GetPrecompiledPath();
FileUtil::IOFile file(path, "rb");
if (!file.IsOpen()) {
LOG_INFO(Render_OpenGL, "No precompiled shader cache found for game with title id={}",
GetTitleID());
@ -211,7 +206,7 @@ ShaderDiskCacheOpenGL::LoadPrecompiled() {
return *result;
}
std::optional<std::pair<std::unordered_map<u64, ShaderDiskCacheDecompiled>, ShaderDumpsMap>>
std::optional<std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump>>
ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
// Read compressed file from disk and decompress to virtual precompiled cache file
std::vector<u8> compressed(file.GetSize());
@ -231,29 +226,8 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
return {};
}
std::unordered_map<u64, ShaderDiskCacheDecompiled> decompiled;
ShaderDumpsMap dumps;
while (precompiled_cache_virtual_file_offset < precompiled_cache_virtual_file.GetSize()) {
PrecompiledEntryKind kind{};
if (!LoadObjectFromPrecompiled(kind)) {
return {};
}
switch (kind) {
case PrecompiledEntryKind::Decompiled: {
u64 unique_identifier{};
if (!LoadObjectFromPrecompiled(unique_identifier)) {
return {};
}
auto entry = LoadDecompiledEntry();
if (!entry) {
return {};
}
decompiled.insert({unique_identifier, std::move(*entry)});
break;
}
case PrecompiledEntryKind::Dump: {
ShaderDiskCacheUsage usage;
if (!LoadObjectFromPrecompiled(usage)) {
return {};
@ -274,195 +248,9 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
return {};
}
dumps.insert({usage, dump});
break;
dumps.emplace(usage, dump);
}
default:
return {};
}
}
return {{decompiled, dumps}};
}
std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEntry() {
u32 code_size{};
if (!LoadObjectFromPrecompiled(code_size)) {
return {};
}
std::string code(code_size, '\0');
if (!LoadArrayFromPrecompiled(code.data(), code.size())) {
return {};
}
ShaderDiskCacheDecompiled entry;
entry.code = std::move(code);
u32 const_buffers_count{};
if (!LoadObjectFromPrecompiled(const_buffers_count)) {
return {};
}
for (u32 i = 0; i < const_buffers_count; ++i) {
u32 max_offset{};
u32 index{};
bool is_indirect{};
if (!LoadObjectFromPrecompiled(max_offset) || !LoadObjectFromPrecompiled(index) ||
!LoadObjectFromPrecompiled(is_indirect)) {
return {};
}
entry.entries.const_buffers.emplace_back(max_offset, is_indirect, index);
}
u32 samplers_count{};
if (!LoadObjectFromPrecompiled(samplers_count)) {
return {};
}
for (u32 i = 0; i < samplers_count; ++i) {
u64 offset{};
u64 index{};
u32 type{};
bool is_array{};
bool is_shadow{};
bool is_bindless{};
if (!LoadObjectFromPrecompiled(offset) || !LoadObjectFromPrecompiled(index) ||
!LoadObjectFromPrecompiled(type) || !LoadObjectFromPrecompiled(is_array) ||
!LoadObjectFromPrecompiled(is_shadow) || !LoadObjectFromPrecompiled(is_bindless)) {
return {};
}
entry.entries.samplers.emplace_back(
static_cast<std::size_t>(offset), static_cast<std::size_t>(index),
static_cast<Tegra::Shader::TextureType>(type), is_array, is_shadow, is_bindless);
}
u32 images_count{};
if (!LoadObjectFromPrecompiled(images_count)) {
return {};
}
for (u32 i = 0; i < images_count; ++i) {
u64 offset{};
u64 index{};
u32 type{};
u8 is_bindless{};
u8 is_written{};
u8 is_read{};
u8 is_atomic{};
if (!LoadObjectFromPrecompiled(offset) || !LoadObjectFromPrecompiled(index) ||
!LoadObjectFromPrecompiled(type) || !LoadObjectFromPrecompiled(is_bindless) ||
!LoadObjectFromPrecompiled(is_written) || !LoadObjectFromPrecompiled(is_read) ||
!LoadObjectFromPrecompiled(is_atomic)) {
return {};
}
entry.entries.images.emplace_back(
static_cast<std::size_t>(offset), static_cast<std::size_t>(index),
static_cast<Tegra::Shader::ImageType>(type), is_bindless != 0, is_written != 0,
is_read != 0, is_atomic != 0);
}
u32 global_memory_count{};
if (!LoadObjectFromPrecompiled(global_memory_count)) {
return {};
}
for (u32 i = 0; i < global_memory_count; ++i) {
u32 cbuf_index{};
u32 cbuf_offset{};
bool is_read{};
bool is_written{};
if (!LoadObjectFromPrecompiled(cbuf_index) || !LoadObjectFromPrecompiled(cbuf_offset) ||
!LoadObjectFromPrecompiled(is_read) || !LoadObjectFromPrecompiled(is_written)) {
return {};
}
entry.entries.global_memory_entries.emplace_back(cbuf_index, cbuf_offset, is_read,
is_written);
}
for (auto& clip_distance : entry.entries.clip_distances) {
if (!LoadObjectFromPrecompiled(clip_distance)) {
return {};
}
}
u64 shader_length{};
if (!LoadObjectFromPrecompiled(shader_length)) {
return {};
}
entry.entries.shader_length = static_cast<std::size_t>(shader_length);
return entry;
}
bool ShaderDiskCacheOpenGL::SaveDecompiledFile(u64 unique_identifier, const std::string& code,
const GLShader::ShaderEntries& entries) {
if (!SaveObjectToPrecompiled(static_cast<u32>(PrecompiledEntryKind::Decompiled)) ||
!SaveObjectToPrecompiled(unique_identifier) ||
!SaveObjectToPrecompiled(static_cast<u32>(code.size())) ||
!SaveArrayToPrecompiled(code.data(), code.size())) {
return false;
}
if (!SaveObjectToPrecompiled(static_cast<u32>(entries.const_buffers.size()))) {
return false;
}
for (const auto& cbuf : entries.const_buffers) {
if (!SaveObjectToPrecompiled(static_cast<u32>(cbuf.GetMaxOffset())) ||
!SaveObjectToPrecompiled(static_cast<u32>(cbuf.GetIndex())) ||
!SaveObjectToPrecompiled(cbuf.IsIndirect())) {
return false;
}
}
if (!SaveObjectToPrecompiled(static_cast<u32>(entries.samplers.size()))) {
return false;
}
for (const auto& sampler : entries.samplers) {
if (!SaveObjectToPrecompiled(static_cast<u64>(sampler.GetOffset())) ||
!SaveObjectToPrecompiled(static_cast<u64>(sampler.GetIndex())) ||
!SaveObjectToPrecompiled(static_cast<u32>(sampler.GetType())) ||
!SaveObjectToPrecompiled(sampler.IsArray()) ||
!SaveObjectToPrecompiled(sampler.IsShadow()) ||
!SaveObjectToPrecompiled(sampler.IsBindless())) {
return false;
}
}
if (!SaveObjectToPrecompiled(static_cast<u32>(entries.images.size()))) {
return false;
}
for (const auto& image : entries.images) {
if (!SaveObjectToPrecompiled(static_cast<u64>(image.GetOffset())) ||
!SaveObjectToPrecompiled(static_cast<u64>(image.GetIndex())) ||
!SaveObjectToPrecompiled(static_cast<u32>(image.GetType())) ||
!SaveObjectToPrecompiled(static_cast<u8>(image.IsBindless() ? 1 : 0)) ||
!SaveObjectToPrecompiled(static_cast<u8>(image.IsWritten() ? 1 : 0)) ||
!SaveObjectToPrecompiled(static_cast<u8>(image.IsRead() ? 1 : 0)) ||
!SaveObjectToPrecompiled(static_cast<u8>(image.IsAtomic() ? 1 : 0))) {
return false;
}
}
if (!SaveObjectToPrecompiled(static_cast<u32>(entries.global_memory_entries.size()))) {
return false;
}
for (const auto& gmem : entries.global_memory_entries) {
if (!SaveObjectToPrecompiled(static_cast<u32>(gmem.GetCbufIndex())) ||
!SaveObjectToPrecompiled(static_cast<u32>(gmem.GetCbufOffset())) ||
!SaveObjectToPrecompiled(gmem.IsRead()) || !SaveObjectToPrecompiled(gmem.IsWritten())) {
return false;
}
}
for (const bool clip_distance : entries.clip_distances) {
if (!SaveObjectToPrecompiled(clip_distance)) {
return false;
}
}
if (!SaveObjectToPrecompiled(static_cast<u64>(entries.shader_length))) {
return false;
}
return true;
return dumps;
}
void ShaderDiskCacheOpenGL::InvalidateTransferable() {
@ -532,28 +320,18 @@ void ShaderDiskCacheOpenGL::SaveUsage(const ShaderDiskCacheUsage& usage) {
}
}
void ShaderDiskCacheOpenGL::SaveDecompiled(u64 unique_identifier, const std::string& code,
const GLShader::ShaderEntries& entries) {
if (!is_usable) {
return;
}
if (precompiled_cache_virtual_file.GetSize() == 0) {
SavePrecompiledHeaderToVirtualPrecompiledCache();
}
if (!SaveDecompiledFile(unique_identifier, code, entries)) {
LOG_ERROR(Render_OpenGL,
"Failed to save decompiled entry to the precompiled file - removing");
InvalidatePrecompiled();
}
}
void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint program) {
if (!is_usable) {
return;
}
// TODO(Rodrigo): This is a design smell. I shouldn't be having to manually write the header
// when writing the dump. This should be done the moment I get access to write to the virtual
// file.
if (precompiled_cache_virtual_file.GetSize() == 0) {
SavePrecompiledHeaderToVirtualPrecompiledCache();
}
GLint binary_length{};
glGetProgramiv(program, GL_PROGRAM_BINARY_LENGTH, &binary_length);
@ -561,8 +339,7 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
std::vector<u8> binary(binary_length);
glGetProgramBinary(program, binary_length, nullptr, &binary_format, binary.data());
if (!SaveObjectToPrecompiled(static_cast<u32>(PrecompiledEntryKind::Dump)) ||
!SaveObjectToPrecompiled(usage) ||
if (!SaveObjectToPrecompiled(usage) ||
!SaveObjectToPrecompiled(static_cast<u32>(binary_format)) ||
!SaveObjectToPrecompiled(static_cast<u32>(binary_length)) ||
!SaveArrayToPrecompiled(binary.data(), binary.size())) {
@ -574,8 +351,9 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
}
FileUtil::IOFile ShaderDiskCacheOpenGL::AppendTransferableFile() const {
if (!EnsureDirectories())
if (!EnsureDirectories()) {
return {};
}
const auto transferable_path{GetTransferablePath()};
const bool existed = FileUtil::Exists(transferable_path);
@ -607,8 +385,8 @@ void ShaderDiskCacheOpenGL::SavePrecompiledHeaderToVirtualPrecompiledCache() {
void ShaderDiskCacheOpenGL::SaveVirtualPrecompiledFile() {
precompiled_cache_virtual_file_offset = 0;
const std::vector<u8>& uncompressed = precompiled_cache_virtual_file.ReadAllBytes();
const std::vector<u8>& compressed =
const std::vector<u8> uncompressed = precompiled_cache_virtual_file.ReadAllBytes();
const std::vector<u8> compressed =
Common::Compression::CompressDataZSTDDefault(uncompressed.data(), uncompressed.size());
const auto precompiled_path{GetPrecompiledPath()};

32
src/video_core/renderer_opengl/gl_shader_disk_cache.h
View file

@ -123,8 +123,7 @@ namespace OpenGL {
class ShaderDiskCacheRaw {
public:
explicit ShaderDiskCacheRaw(u64 unique_identifier, ProgramType program_type,
u32 program_code_size, u32 program_code_size_b,
ProgramCode program_code, ProgramCode program_code_b);
ProgramCode program_code, ProgramCode program_code_b = {});
ShaderDiskCacheRaw();
~ShaderDiskCacheRaw();
@ -155,22 +154,14 @@ public:
private:
u64 unique_identifier{};
ProgramType program_type{};
u32 program_code_size{};
u32 program_code_size_b{};
ProgramCode program_code;
ProgramCode program_code_b;
};
/// Contains decompiled data from a shader
struct ShaderDiskCacheDecompiled {
std::string code;
GLShader::ShaderEntries entries;
};
/// Contains an OpenGL dumped binary program
struct ShaderDiskCacheDump {
GLenum binary_format;
GLenum binary_format{};
std::vector<u8> binary;
};
@ -184,9 +175,7 @@ public:
LoadTransferable();
/// Loads current game's precompiled cache. Invalidates on failure.
std::pair<std::unordered_map<u64, ShaderDiskCacheDecompiled>,
std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump>>
LoadPrecompiled();
std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump> LoadPrecompiled();
/// Removes the transferable (and precompiled) cache file.
void InvalidateTransferable();
@ -200,10 +189,6 @@ public:
/// Saves shader usage to the transferable file. Does not check for collisions.
void SaveUsage(const ShaderDiskCacheUsage& usage);
/// Saves a decompiled entry to the precompiled file. Does not check for collisions.
void SaveDecompiled(u64 unique_identifier, const std::string& code,
const GLShader::ShaderEntries& entries);
/// Saves a dump entry to the precompiled file. Does not check for collisions.
void SaveDump(const ShaderDiskCacheUsage& usage, GLuint program);
@ -212,18 +197,9 @@ public:
private:
/// Loads the transferable cache. Returns empty on failure.
std::optional<std::pair<std::unordered_map<u64, ShaderDiskCacheDecompiled>,
std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump>>>
std::optional<std::unordered_map<ShaderDiskCacheUsage, ShaderDiskCacheDump>>
LoadPrecompiledFile(FileUtil::IOFile& file);
/// Loads a decompiled cache entry from m_precompiled_cache_virtual_file. Returns empty on
/// failure.
std::optional<ShaderDiskCacheDecompiled> LoadDecompiledEntry();
/// Saves a decompiled entry to the passed file. Returns true on success.
bool SaveDecompiledFile(u64 unique_identifier, const std::string& code,
const GLShader::ShaderEntries& entries);
/// Opens current game's transferable file and write it's header if it doesn't exist
FileUtil::IOFile AppendTransferableFile() const;

94
src/video_core/renderer_opengl/gl_shader_gen.cpp
View file

@ -16,18 +16,8 @@ using VideoCommon::Shader::CompilerSettings;
using VideoCommon::Shader::ProgramCode;
using VideoCommon::Shader::ShaderIR;
static constexpr u32 PROGRAM_OFFSET = 10;
static constexpr u32 COMPUTE_OFFSET = 0;
static constexpr CompilerSettings settings{CompileDepth::NoFlowStack, true};
ProgramResult GenerateVertexShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup) {
const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
std::string out = "// Shader Unique Id: VS" + id + "\n\n";
out += GetCommonDeclarations();
std::string GenerateVertexShader(const Device& device, const ShaderIR& ir, const ShaderIR* ir_b) {
std::string out = GetCommonDeclarations();
out += R"(
layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config {
vec4 viewport_flip;
@ -35,18 +25,10 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config {
};
)";
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a, settings,
locker);
const auto stage = setup.IsDualProgram() ? ProgramType::VertexA : ProgramType::VertexB;
ProgramResult program = Decompile(device, program_ir, stage, "vertex");
out += program.first;
if (setup.IsDualProgram()) {
const ShaderIR program_ir_b(setup.program.code_b, PROGRAM_OFFSET, setup.program.size_b,
settings, locker);
ProgramResult program_b = Decompile(device, program_ir_b, ProgramType::VertexB, "vertex_b");
out += program_b.first;
const auto stage = ir_b ? ProgramType::VertexA : ProgramType::VertexB;
out += Decompile(device, ir, stage, "vertex");
if (ir_b) {
out += Decompile(device, *ir_b, ProgramType::VertexB, "vertex_b");
}
out += R"(
@ -54,7 +36,7 @@ void main() {
execute_vertex();
)";
if (setup.IsDualProgram()) {
if (ir_b) {
out += " execute_vertex_b();";
}
@ -68,18 +50,13 @@ void main() {
// Viewport can be flipped, which is unsupported by glViewport
gl_Position.xy *= viewport_flip.xy;
}
})";
return {std::move(out), std::move(program.second)};
}
)";
return out;
}
ProgramResult GenerateGeometryShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup) {
const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
std::string out = "// Shader Unique Id: GS" + id + "\n\n";
out += GetCommonDeclarations();
std::string GenerateGeometryShader(const Device& device, const ShaderIR& ir) {
std::string out = GetCommonDeclarations();
out += R"(
layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config {
vec4 viewport_flip;
@ -87,27 +64,18 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config {
};
)";
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a, settings,
locker);
ProgramResult program = Decompile(device, program_ir, ProgramType::Geometry, "geometry");
out += program.first;
out += Decompile(device, ir, ProgramType::Geometry, "geometry");
out += R"(
void main() {
execute_geometry();
};)";
return {std::move(out), std::move(program.second)};
}
)";
return out;
}
ProgramResult GenerateFragmentShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup) {
const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
std::string out = "// Shader Unique Id: FS" + id + "\n\n";
out += GetCommonDeclarations();
std::string GenerateFragmentShader(const Device& device, const ShaderIR& ir) {
std::string out = GetCommonDeclarations();
out += R"(
layout (location = 0) out vec4 FragColor0;
layout (location = 1) out vec4 FragColor1;
@ -124,39 +92,25 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform fs_config {
};
)";
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a, settings,
locker);
ProgramResult program = Decompile(device, program_ir, ProgramType::Fragment, "fragment");
out += program.first;
out += Decompile(device, ir, ProgramType::Fragment, "fragment");
out += R"(
void main() {
execute_fragment();
}
)";
return {std::move(out), std::move(program.second)};
return out;
}
ProgramResult GenerateComputeShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup) {
const std::string id = fmt::format("{:016x}", setup.program.unique_identifier);
std::string out = "// Shader Unique Id: CS" + id + "\n\n";
out += GetCommonDeclarations();
const ShaderIR program_ir(setup.program.code, COMPUTE_OFFSET, setup.program.size_a, settings,
locker);
ProgramResult program = Decompile(device, program_ir, ProgramType::Compute, "compute");
out += program.first;
std::string GenerateComputeShader(const Device& device, const ShaderIR& ir) {
std::string out = GetCommonDeclarations();
out += Decompile(device, ir, ProgramType::Compute, "compute");
out += R"(
void main() {
execute_compute();
}
)";
return {std::move(out), std::move(program.second)};
return out;
}
} // namespace OpenGL::GLShader

41
src/video_core/renderer_opengl/gl_shader_gen.h
View file

@ -16,50 +16,19 @@ class Device;
namespace OpenGL::GLShader {
using VideoCommon::Shader::ConstBufferLocker;
using VideoCommon::Shader::ProgramCode;
struct ShaderSetup {
explicit ShaderSetup(ProgramCode program_code) {
program.code = std::move(program_code);
}
struct {
ProgramCode code;
ProgramCode code_b; // Used for dual vertex shaders
u64 unique_identifier;
std::size_t size_a;
std::size_t size_b;
} program;
/// Used in scenarios where we have a dual vertex shaders
void SetProgramB(ProgramCode program_b) {
program.code_b = std::move(program_b);
has_program_b = true;
}
bool IsDualProgram() const {
return has_program_b;
}
private:
bool has_program_b{};
};
using VideoCommon::Shader::ShaderIR;
/// Generates the GLSL vertex shader program source code for the given VS program
ProgramResult GenerateVertexShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup);
std::string GenerateVertexShader(const Device& device, const ShaderIR& ir, const ShaderIR* ir_b);
/// Generates the GLSL geometry shader program source code for the given GS program
ProgramResult GenerateGeometryShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup);
std::string GenerateGeometryShader(const Device& device, const ShaderIR& ir);
/// Generates the GLSL fragment shader program source code for the given FS program
ProgramResult GenerateFragmentShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup);
std::string GenerateFragmentShader(const Device& device, const ShaderIR& ir);
/// Generates the GLSL compute shader program source code for the given CS program
ProgramResult GenerateComputeShader(ConstBufferLocker& locker, const Device& device,
const ShaderSetup& setup);
std::string GenerateComputeShader(const Device& device, const ShaderIR& ir);
} // namespace OpenGL::GLShader

8
src/video_core/shader/const_buffer_locker.cpp
View file

@ -15,15 +15,15 @@ ConstBufferLocker::ConstBufferLocker(Tegra::Engines::ShaderType shader_stage)
: engine{nullptr}, shader_stage{shader_stage} {}
ConstBufferLocker::ConstBufferLocker(Tegra::Engines::ShaderType shader_stage,
Tegra::Engines::ConstBufferEngineInterface* engine)
: engine{engine}, shader_stage{shader_stage} {}
Tegra::Engines::ConstBufferEngineInterface& engine)
: engine{&engine}, shader_stage{shader_stage} {}
bool ConstBufferLocker::IsEngineSet() const {
return engine != nullptr;
}
void ConstBufferLocker::SetEngine(Tegra::Engines::ConstBufferEngineInterface* engine_) {
engine = engine_;
void ConstBufferLocker::SetEngine(Tegra::Engines::ConstBufferEngineInterface& engine_) {
engine = &engine_;
}
std::optional<u32> ConstBufferLocker::ObtainKey(u32 buffer, u32 offset) {

4
src/video_core/shader/const_buffer_locker.h
View file

@ -21,14 +21,14 @@ public:
explicit ConstBufferLocker(Tegra::Engines::ShaderType shader_stage);
explicit ConstBufferLocker(Tegra::Engines::ShaderType shader_stage,
Tegra::Engines::ConstBufferEngineInterface* engine);
Tegra::Engines::ConstBufferEngineInterface& engine);
// Checks if an engine is setup, it may be possible that during disk shader
// cache run, the engines have not been created yet.
bool IsEngineSet() const;
// Use this to set/change the engine used for this shader.
void SetEngine(Tegra::Engines::ConstBufferEngineInterface* engine);
void SetEngine(Tegra::Engines::ConstBufferEngineInterface& engine);
// Retrieves a key from the locker, if it's registered, it will give the
// registered value, if not it will obtain it from maxwell3d and register it.

18
src/video_core/shader/control_flow.cpp
View file

@ -66,10 +66,11 @@ struct BlockInfo {
};
struct CFGRebuildState {
explicit CFGRebuildState(const ProgramCode& program_code, const std::size_t program_size,
const u32 start, ConstBufferLocker& locker)
: start{start}, program_code{program_code}, program_size{program_size}, locker{locker} {}
explicit CFGRebuildState(const ProgramCode& program_code, u32 start, ConstBufferLocker& locker)
: program_code{program_code}, start{start}, locker{locker} {}
const ProgramCode& program_code;
ConstBufferLocker& locker;
u32 start{};
std::vector<BlockInfo> block_info{};
std::list<u32> inspect_queries{};
@ -79,10 +80,7 @@ struct CFGRebuildState {
std::map<u32, u32> ssy_labels{};
std::map<u32, u32> pbk_labels{};
std::unordered_map<u32, BlockStack> stacks{};
const ProgramCode& program_code;
const std::size_t program_size;
ASTManager* manager;
ConstBufferLocker& locker;
};
enum class BlockCollision : u32 { None, Found, Inside };
@ -242,7 +240,7 @@ std::optional<BranchIndirectInfo> TrackBranchIndirectInfo(const CFGRebuildState&
std::pair<ParseResult, ParseInfo> ParseCode(CFGRebuildState& state, u32 address) {
u32 offset = static_cast<u32>(address);
const u32 end_address = static_cast<u32>(state.program_size / sizeof(Instruction));
const u32 end_address = static_cast<u32>(state.program_code.size());
ParseInfo parse_info{};
SingleBranch single_branch{};
@ -583,6 +581,7 @@ bool TryQuery(CFGRebuildState& state) {
}
return true;
}
} // Anonymous namespace
void InsertBranch(ASTManager& mm, const BlockBranchInfo& branch_info) {
@ -651,8 +650,7 @@ void DecompileShader(CFGRebuildState& state) {
state.manager->Decompile();
}
std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
std::size_t program_size, u32 start_address,
std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code, u32 start_address,
const CompilerSettings& settings,
ConstBufferLocker& locker) {
auto result_out = std::make_unique<ShaderCharacteristics>();
@ -661,7 +659,7 @@ std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
return result_out;
}
CFGRebuildState state{program_code, program_size, start_address, locker};
CFGRebuildState state{program_code, start_address, locker};
// Inspect Code and generate blocks
state.labels.clear();
state.labels.emplace(start_address);

3
src/video_core/shader/control_flow.h
View file

@ -105,8 +105,7 @@ struct ShaderCharacteristics {
CompilerSettings settings{};
};
std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code,
std::size_t program_size, u32 start_address,
std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code, u32 start_address,
const CompilerSettings& settings,
ConstBufferLocker& locker);

9
src/video_core/shader/decode.cpp
View file

@ -33,7 +33,7 @@ constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
return (absolute_offset % SchedPeriod) == 0;
}
} // namespace
} // Anonymous namespace
class ASTDecoder {
public:
@ -102,7 +102,7 @@ void ShaderIR::Decode() {
std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
decompiled = false;
auto info = ScanFlow(program_code, program_size, main_offset, settings, locker);
auto info = ScanFlow(program_code, main_offset, settings, locker);
auto& shader_info = *info;
coverage_begin = shader_info.start;
coverage_end = shader_info.end;
@ -155,7 +155,7 @@ void ShaderIR::Decode() {
[[fallthrough]];
case CompileDepth::BruteForce: {
coverage_begin = main_offset;
const u32 shader_end = static_cast<u32>(program_size / sizeof(u64));
const u32 shader_end = program_code.size();
coverage_end = shader_end;
for (u32 label = main_offset; label < shader_end; label++) {
basic_blocks.insert({label, DecodeRange(label, label + 1)});
@ -225,7 +225,8 @@ void ShaderIR::InsertControlFlow(NodeBlock& bb, const ShaderBlock& block) {
for (auto& branch_case : multi_branch->branches) {
Node n = Operation(OperationCode::Branch, Immediate(branch_case.address));
Node op_b = Immediate(branch_case.cmp_value);
Node condition = GetPredicateComparisonInteger(Tegra::Shader::PredCondition::Equal, false, op_a, op_b);
Node condition =
GetPredicateComparisonInteger(Tegra::Shader::PredCondition::Equal, false, op_a, op_b);
auto result = Conditional(condition, {n});
bb.push_back(result);
global_code.push_back(result);

7
src/video_core/shader/shader_ir.cpp
View file

@ -22,10 +22,9 @@ using Tegra::Shader::PredCondition;
using Tegra::Shader::PredOperation;
using Tegra::Shader::Register;
ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset, const std::size_t size,
CompilerSettings settings, ConstBufferLocker& locker)
: program_code{program_code}, main_offset{main_offset}, program_size{size}, basic_blocks{},
program_manager{true, true}, settings{settings}, locker{locker} {
ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset, CompilerSettings settings,
ConstBufferLocker& locker)
: program_code{program_code}, main_offset{main_offset}, settings{settings}, locker{locker} {
Decode();
}

12
src/video_core/shader/shader_ir.h
View file

@ -67,8 +67,8 @@ struct GlobalMemoryUsage {
class ShaderIR final {
public:
explicit ShaderIR(const ProgramCode& program_code, u32 main_offset, std::size_t size,
CompilerSettings settings, ConstBufferLocker& locker);
explicit ShaderIR(const ProgramCode& program_code, u32 main_offset, CompilerSettings settings,
ConstBufferLocker& locker);
~ShaderIR();
const std::map<u32, NodeBlock>& GetBasicBlocks() const {
@ -384,7 +384,9 @@ private:
const ProgramCode& program_code;
const u32 main_offset;
const std::size_t program_size;
const CompilerSettings settings;
ConstBufferLocker& locker;
bool decompiled{};
bool disable_flow_stack{};
@ -393,9 +395,7 @@ private:
std::map<u32, NodeBlock> basic_blocks;
NodeBlock global_code;
ASTManager program_manager;
CompilerSettings settings{};
ConstBufferLocker& locker;
ASTManager program_manager{true, true};
std::set<u32> used_registers;
std::set<Tegra::Shader::Pred> used_predicates;