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gl_shader_cache: Implement locker variants invalidation

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This commit is contained in:
ReinUsesLisp 2019-09-26 00:23:08 -03:00 committed by FernandoS27
parent ec85648af3
commit 78f3e8a757
4 changed files with 104 additions and 44 deletions
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102
src/video_core/renderer_opengl/gl_shader_cache.cpp
View File

@ -225,6 +225,34 @@ std::string GetShaderId(u64 unique_identifier, ProgramType program_type) {
return fmt::format("{}{:016X}", GetProgramTypeName(program_type), unique_identifier);
}
Tegra::Engines::ConstBufferEngineInterface& GetConstBufferEngineInterface(
Core::System& system, ProgramType program_type) {
if (program_type == ProgramType::Compute) {
return system.GPU().KeplerCompute();
} else {
return system.GPU().Maxwell3D();
}
}
std::unique_ptr<ConstBufferLocker> MakeLocker(Core::System& system, ProgramType program_type) {
return std::make_unique<ConstBufferLocker>(GetEnginesShaderType(program_type),
GetConstBufferEngineInterface(system, program_type));
}
void FillLocker(ConstBufferLocker& locker, const ShaderDiskCacheUsage& usage) {
for (const auto& key : usage.keys) {
const auto [buffer, offset] = key.first;
locker.InsertKey(buffer, offset, key.second);
}
for (const auto& [offset, sampler] : usage.bound_samplers) {
locker.InsertBoundSampler(offset, sampler);
}
for (const auto& [key, sampler] : usage.bindless_samplers) {
const auto [buffer, offset] = key;
locker.InsertBindlessSampler(buffer, offset, sampler);
}
}
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,
@ -336,11 +364,27 @@ CachedShader::CachedShader(const ShaderParameters& params, ProgramType program_t
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);
if (!params.precompiled_variants) {
return;
}
for (const auto& pair : *params.precompiled_variants) {
auto locker = MakeLocker(system, program_type);
const auto& usage = pair->first;
FillLocker(*locker, usage);
std::unique_ptr<LockerVariant>* locker_variant = nullptr;
const auto it =
std::find_if(locker_variants.begin(), locker_variants.end(), [&](const auto& variant) {
return variant->locker->HasEqualKeys(*locker);
});
if (it == locker_variants.end()) {
locker_variant = &locker_variants.emplace_back();
*locker_variant = std::make_unique<LockerVariant>();
locker_variant->get()->locker = std::move(locker);
} else {
locker_variant = &*it;
}
locker_variant->get()->programs.emplace(usage.variant, pair->second);
}
}
@ -380,19 +424,14 @@ Shader CachedShader::CreateFromCache(const ShaderParameters& params,
}
std::tuple<GLuint, BaseBindings> CachedShader::GetProgramHandle(const ProgramVariant& variant) {
const auto [entry, is_cache_miss] = programs.try_emplace(variant);
UpdateVariant();
const auto [entry, is_cache_miss] = curr_variant->programs.try_emplace(variant);
auto& program = entry->second;
if (is_cache_miss) {
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, locker));
variant, *curr_variant->locker);
disk_cache.SaveUsage(GetUsage(variant, *curr_variant->locker));
LabelGLObject(GL_PROGRAM, program->handle, cpu_addr);
}
@ -408,6 +447,25 @@ std::tuple<GLuint, BaseBindings> CachedShader::GetProgramHandle(const ProgramVar
return {program->handle, base_bindings};
}
void CachedShader::UpdateVariant() {
if (curr_variant && !curr_variant->locker->IsConsistent()) {
curr_variant = nullptr;
}
if (!curr_variant) {
for (auto& variant : locker_variants) {
if (variant->locker->IsConsistent()) {
curr_variant = variant.get();
}
}
}
if (!curr_variant) {
auto& new_variant = locker_variants.emplace_back();
new_variant = std::make_unique<LockerVariant>();
new_variant->locker = MakeLocker(system, program_type);
curr_variant = new_variant.get();
}
}
ShaderDiskCacheUsage CachedShader::GetUsage(const ProgramVariant& variant,
const ConstBufferLocker& locker) const {
ShaderDiskCacheUsage usage;
@ -475,21 +533,11 @@ void ShaderCacheOpenGL::LoadDiskCache(const std::atomic_bool& stop_loading,
}
}
if (!shader) {
ConstBufferLocker locker(GetEnginesShaderType(unspecialized.program_type));
for (const auto& key : usage.keys) {
const auto [buffer, offset] = key.first;
locker.InsertKey(buffer, offset, key.second);
}
for (const auto& [offset, sampler] : usage.bound_samplers) {
locker.InsertBoundSampler(offset, sampler);
}
for (const auto& [key, sampler] : usage.bindless_samplers) {
const auto [buffer, offset] = key;
locker.InsertBindlessSampler(buffer, offset, sampler);
}
auto locker{MakeLocker(system, unspecialized.program_type)};
FillLocker(*locker, usage);
shader = BuildShader(device, usage.unique_identifier, unspecialized.program_type,
unspecialized.code, unspecialized.code_b, usage.variant,
locker, true);
*locker, true);
}
std::scoped_lock lock{mutex};

15
src/video_core/renderer_opengl/gl_shader_cache.h
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@ -21,6 +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/const_buffer_locker.h"
#include "video_core/shader/shader_ir.h"
namespace Core {
@ -31,10 +32,6 @@ namespace Core::Frontend {
class EmuWindow;
}
namespace VideoCommon::Shader {
class ConstBufferLocker;
}
namespace OpenGL {
class CachedShader;
@ -92,10 +89,17 @@ public:
std::tuple<GLuint, BaseBindings> GetProgramHandle(const ProgramVariant& variant);
private:
struct LockerVariant {
std::unique_ptr<VideoCommon::Shader::ConstBufferLocker> locker;
std::unordered_map<ProgramVariant, CachedProgram> programs;
};
explicit CachedShader(const ShaderParameters& params, ProgramType program_type,
GLShader::ShaderEntries entries, ProgramCode program_code,
ProgramCode program_code_b);
void UpdateVariant();
ShaderDiskCacheUsage GetUsage(const ProgramVariant& variant,
const VideoCommon::Shader::ConstBufferLocker& locker) const;
@ -113,7 +117,8 @@ private:
ProgramCode program_code;
ProgramCode program_code_b;
std::unordered_map<ProgramVariant, CachedProgram> programs;
LockerVariant* curr_variant = nullptr;
std::vector<std::unique_ptr<LockerVariant>> locker_variants;
};
class ShaderCacheOpenGL final : public RasterizerCache<Shader> {

28
src/video_core/shader/const_buffer_locker.cpp
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@ -82,23 +82,27 @@ bool ConstBufferLocker::IsConsistent() const {
return false;
}
return std::all_of(keys.begin(), keys.end(),
[](const auto& key) {
const auto [value, other_value] = key.first;
return value == other_value;
[this](const auto& pair) {
const auto [cbuf, offset] = pair.first;
const auto value = pair.second;
return value == engine->AccessConstBuffer32(stage, cbuf, offset);
}) &&
std::all_of(bound_samplers.begin(), bound_samplers.end(),
[this](const auto& sampler) {
const auto [key, value] = sampler;
const auto other_value = engine->AccessBoundSampler(stage, key);
return value == other_value;
return value == engine->AccessBoundSampler(stage, key);
}) &&
std::all_of(
bindless_samplers.begin(), bindless_samplers.end(), [this](const auto& sampler) {
const auto [cbuf, offset] = sampler.first;
const auto value = sampler.second;
const auto other_value = engine->AccessBindlessSampler(stage, cbuf, offset);
return value == other_value;
});
std::all_of(bindless_samplers.begin(), bindless_samplers.end(),
[this](const auto& sampler) {
const auto [cbuf, offset] = sampler.first;
const auto value = sampler.second;
return value == engine->AccessBindlessSampler(stage, cbuf, offset);
});
}
bool ConstBufferLocker::HasEqualKeys(const ConstBufferLocker& rhs) const {
return keys == rhs.keys && bound_samplers == rhs.bound_samplers &&
bindless_samplers == rhs.bindless_samplers;
}
} // namespace VideoCommon::Shader

3
src/video_core/shader/const_buffer_locker.h
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@ -44,6 +44,9 @@ public:
/// the same value, false otherwise;
bool IsConsistent() const;
/// Returns true if the keys are equal to the other ones in the locker.
bool HasEqualKeys(const ConstBufferLocker& rhs) const;
/// Gives an getter to the const buffer keys in the database.
const KeyMap& GetKeys() const {
return keys;