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Merge pull request #3282 from FernandoS27/indexed-samplers

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Partially implement Indexed samplers in general and specific code in GLSL
This commit is contained in:
bunnei 2020-02-01 20:41:40 -05:00 • committed by GitHub
commit b5bbe7e752
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GPG key ID: 4AEE18F83AFDEB23
24 changed files with 610 additions and 58 deletions
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34
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -55,16 +55,20 @@ namespace {
template <typename Engine, typename Entry>
Tegra::Texture::FullTextureInfo GetTextureInfo(const Engine& engine, const Entry& entry,
Tegra::Engines::ShaderType shader_type) {
Tegra::Engines::ShaderType shader_type,
std::size_t index = 0) {
if (entry.IsBindless()) {
const Tegra::Texture::TextureHandle tex_handle =
engine.AccessConstBuffer32(shader_type, entry.GetBuffer(), entry.GetOffset());
return engine.GetTextureInfo(tex_handle);
}
const auto& gpu_profile = engine.AccessGuestDriverProfile();
const u32 offset =
entry.GetOffset() + static_cast<u32>(index * gpu_profile.GetTextureHandlerSize());
if constexpr (std::is_same_v<Engine, Tegra::Engines::Maxwell3D>) {
return engine.GetStageTexture(shader_type, entry.GetOffset());
return engine.GetStageTexture(shader_type, offset);
} else {
return engine.GetTexture(entry.GetOffset());
return engine.GetTexture(offset);
}
}
@ -942,8 +946,15 @@ void RasterizerOpenGL::SetupDrawTextures(std::size_t stage_index, const Shader&
u32 binding = device.GetBaseBindings(stage_index).sampler;
for (const auto& entry : shader->GetShaderEntries().samplers) {
const auto shader_type = static_cast<Tegra::Engines::ShaderType>(stage_index);
const auto texture = GetTextureInfo(maxwell3d, entry, shader_type);
SetupTexture(binding++, texture, entry);
if (!entry.IsIndexed()) {
const auto texture = GetTextureInfo(maxwell3d, entry, shader_type);
SetupTexture(binding++, texture, entry);
} else {
for (std::size_t i = 0; i < entry.Size(); ++i) {
const auto texture = GetTextureInfo(maxwell3d, entry, shader_type, i);
SetupTexture(binding++, texture, entry);
}
}
}
}
@ -952,8 +963,17 @@ void RasterizerOpenGL::SetupComputeTextures(const Shader& kernel) {
const auto& compute = system.GPU().KeplerCompute();
u32 binding = 0;
for (const auto& entry : kernel->GetShaderEntries().samplers) {
const auto texture = GetTextureInfo(compute, entry, Tegra::Engines::ShaderType::Compute);
SetupTexture(binding++, texture, entry);
if (!entry.IsIndexed()) {
const auto texture =
GetTextureInfo(compute, entry, Tegra::Engines::ShaderType::Compute);
SetupTexture(binding++, texture, entry);
} else {
for (std::size_t i = 0; i < entry.Size(); ++i) {
const auto texture =
GetTextureInfo(compute, entry, Tegra::Engines::ShaderType::Compute, i);
SetupTexture(binding++, texture, entry);
}
}
}
}

4
src/video_core/renderer_opengl/gl_shader_cache.cpp
View file

@ -214,6 +214,7 @@ std::unique_ptr<ConstBufferLocker> MakeLocker(Core::System& system, ShaderType s
}
void FillLocker(ConstBufferLocker& locker, const ShaderDiskCacheUsage& usage) {
locker.SetBoundBuffer(usage.bound_buffer);
for (const auto& key : usage.keys) {
const auto [buffer, offset] = key.first;
locker.InsertKey(buffer, offset, key.second);
@ -418,7 +419,8 @@ bool CachedShader::EnsureValidLockerVariant() {
ShaderDiskCacheUsage CachedShader::GetUsage(const ProgramVariant& variant,
const ConstBufferLocker& locker) const {
return ShaderDiskCacheUsage{unique_identifier, variant, locker.GetKeys(),
return ShaderDiskCacheUsage{unique_identifier, variant,
locker.GetBoundBuffer(), locker.GetKeys(),
locker.GetBoundSamplers(), locker.GetBindlessSamplers()};
}

37
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -391,6 +391,7 @@ public:
DeclareVertex();
DeclareGeometry();
DeclareRegisters();
DeclareCustomVariables();
DeclarePredicates();
DeclareLocalMemory();
DeclareInternalFlags();
@ -503,6 +504,16 @@ private:
}
}
void DeclareCustomVariables() {
const u32 num_custom_variables = ir.GetNumCustomVariables();
for (u32 i = 0; i < num_custom_variables; ++i) {
code.AddLine("float {} = 0.0f;", GetCustomVariable(i));
}
if (num_custom_variables > 0) {
code.AddNewLine();
}
}
void DeclarePredicates() {
const auto& predicates = ir.GetPredicates();
for (const auto pred : predicates) {
@ -655,7 +666,8 @@ private:
u32 binding = device.GetBaseBindings(stage).sampler;
for (const auto& sampler : ir.GetSamplers()) {
const std::string name = GetSampler(sampler);
const std::string description = fmt::format("layout (binding = {}) uniform", binding++);
const std::string description = fmt::format("layout (binding = {}) uniform", binding);
binding += sampler.IsIndexed() ? sampler.Size() : 1;
std::string sampler_type = [&]() {
if (sampler.IsBuffer()) {
@ -682,7 +694,11 @@ private:
sampler_type += "Shadow";
}
code.AddLine("{} {} {};", description, sampler_type, name);
if (!sampler.IsIndexed()) {
code.AddLine("{} {} {};", description, sampler_type, name);
} else {
code.AddLine("{} {} {}[{}];", description, sampler_type, name, sampler.Size());
}
}
if (!ir.GetSamplers().empty()) {
code.AddNewLine();
@ -775,6 +791,11 @@ private:
return {GetRegister(index), Type::Float};
}
if (const auto cv = std::get_if<CustomVarNode>(&*node)) {
const u32 index = cv->GetIndex();
return {GetCustomVariable(index), Type::Float};
}
if (const auto immediate = std::get_if<ImmediateNode>(&*node)) {
const u32 value = immediate->GetValue();
if (value < 10) {
@ -1098,7 +1119,11 @@ private:
} else if (!meta->ptp.empty()) {
expr += "Offsets";
}
expr += '(' + GetSampler(meta->sampler) + ", ";
if (!meta->sampler.IsIndexed()) {
expr += '(' + GetSampler(meta->sampler) + ", ";
} else {
expr += '(' + GetSampler(meta->sampler) + '[' + Visit(meta->index).AsUint() + "], ";
}
expr += coord_constructors.at(count + (has_array ? 1 : 0) +
(has_shadow && !separate_dc ? 1 : 0) - 1);
expr += '(';
@ -1310,6 +1335,8 @@ private:
const std::string final_offset = fmt::format("({} - {}) >> 2", real, base);
target = {fmt::format("{}[{}]", GetGlobalMemory(gmem->GetDescriptor()), final_offset),
Type::Uint};
} else if (const auto cv = std::get_if<CustomVarNode>(&*dest)) {
target = {GetCustomVariable(cv->GetIndex()), Type::Float};
} else {
UNREACHABLE_MSG("Assign called without a proper target");
}
@ -2237,6 +2264,10 @@ private:
return GetDeclarationWithSuffix(index, "gpr");
}
std::string GetCustomVariable(u32 index) const {
return GetDeclarationWithSuffix(index, "custom_var");
}
std::string GetPredicate(Tegra::Shader::Pred pred) const {
return GetDeclarationWithSuffix(static_cast<u32>(pred), "pred");
}

12
src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
View file

@ -53,7 +53,7 @@ struct BindlessSamplerKey {
Tegra::Engines::SamplerDescriptor sampler{};
};
constexpr u32 NativeVersion = 11;
constexpr u32 NativeVersion = 12;
// Making sure sizes doesn't change by accident
static_assert(sizeof(ProgramVariant) == 20);
@ -186,7 +186,8 @@ ShaderDiskCacheOpenGL::LoadTransferable() {
u32 num_bound_samplers{};
u32 num_bindless_samplers{};
if (file.ReadArray(&usage.unique_identifier, 1) != 1 ||
file.ReadArray(&usage.variant, 1) != 1 || file.ReadArray(&num_keys, 1) != 1 ||
file.ReadArray(&usage.variant, 1) != 1 ||
file.ReadArray(&usage.bound_buffer, 1) != 1 || file.ReadArray(&num_keys, 1) != 1 ||
file.ReadArray(&num_bound_samplers, 1) != 1 ||
file.ReadArray(&num_bindless_samplers, 1) != 1) {
LOG_ERROR(Render_OpenGL, error_loading);
@ -281,7 +282,9 @@ ShaderDiskCacheOpenGL::LoadPrecompiledFile(FileUtil::IOFile& file) {
u32 num_bindless_samplers{};
ShaderDiskCacheUsage usage;
if (!LoadObjectFromPrecompiled(usage.unique_identifier) ||
!LoadObjectFromPrecompiled(usage.variant) || !LoadObjectFromPrecompiled(num_keys) ||
!LoadObjectFromPrecompiled(usage.variant) ||
!LoadObjectFromPrecompiled(usage.bound_buffer) ||
!LoadObjectFromPrecompiled(num_keys) ||
!LoadObjectFromPrecompiled(num_bound_samplers) ||
!LoadObjectFromPrecompiled(num_bindless_samplers)) {
return {};
@ -393,6 +396,7 @@ void ShaderDiskCacheOpenGL::SaveUsage(const ShaderDiskCacheUsage& usage) {
if (file.WriteObject(TransferableEntryKind::Usage) != 1 ||
file.WriteObject(usage.unique_identifier) != 1 || file.WriteObject(usage.variant) != 1 ||
file.WriteObject(usage.bound_buffer) != 1 ||
file.WriteObject(static_cast<u32>(usage.keys.size())) != 1 ||
file.WriteObject(static_cast<u32>(usage.bound_samplers.size())) != 1 ||
file.WriteObject(static_cast<u32>(usage.bindless_samplers.size())) != 1) {
@ -447,7 +451,7 @@ void ShaderDiskCacheOpenGL::SaveDump(const ShaderDiskCacheUsage& usage, GLuint p
};
if (!SaveObjectToPrecompiled(usage.unique_identifier) ||
!SaveObjectToPrecompiled(usage.variant) ||
!SaveObjectToPrecompiled(usage.variant) || !SaveObjectToPrecompiled(usage.bound_buffer) ||
!SaveObjectToPrecompiled(static_cast<u32>(usage.keys.size())) ||
!SaveObjectToPrecompiled(static_cast<u32>(usage.bound_samplers.size())) ||
!SaveObjectToPrecompiled(static_cast<u32>(usage.bindless_samplers.size()))) {

1
src/video_core/renderer_opengl/gl_shader_disk_cache.h
View file

@ -79,6 +79,7 @@ static_assert(std::is_trivially_copyable_v<ProgramVariant>);
struct ShaderDiskCacheUsage {
u64 unique_identifier{};
ProgramVariant variant;
u32 bound_buffer{};
VideoCommon::Shader::KeyMap keys;
VideoCommon::Shader::BoundSamplerMap bound_samplers;
VideoCommon::Shader::BindlessSamplerMap bindless_samplers;