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Shader_IR: Address feedback.

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This commit is contained in:
Fernando Sahmkow 2020-01-24 10:44:34 -04:00 committed by FernandoS27
parent 806f569143
commit bb8eb15d39
10 changed files with 40 additions and 36 deletions
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1
src/video_core/guest_driver.h
View file

@ -33,6 +33,7 @@ private:
// This goes with Vulkan and OpenGL standards but Nvidia GPUs can easily
// use 4 bytes instead. Thus, certain drivers may squish the size.
static constexpr u32 default_texture_handler_size = 8;
u32 texture_handler_size = default_texture_handler_size;
bool texture_handler_size_deduced = false;
};

6
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -505,11 +505,11 @@ private:
}
void DeclareCustomVariables() {
const u32 cv_num = ir.GetCustomVariablesAmount();
for (u32 i = 0; i < cv_num; ++i) {
const u32 num_custom_variables = ir.GetNumCustomVariables();
for (u32 i = 0; i < num_custom_variables; ++i) {
code.AddLine("float {} = 0.0f;", GetCustomVariable(i));
}
if (cv_num > 0) {
if (num_custom_variables > 0) {
code.AddNewLine();
}
}

5
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
View file

@ -589,8 +589,8 @@ private:
}
void DeclareCustomVariables() {
const u32 cv_num = ir.GetCustomVariablesAmount();
for (u32 i = 0; i < cv_num; ++i) {
const u32 num_custom_variables = ir.GetNumCustomVariables();
for (u32 i = 0; i < num_custom_variables; ++i) {
const Id id = OpVariable(t_prv_float, spv::StorageClass::Private, v_float_zero);
Name(id, fmt::format("custom_var_{}", i));
custom_variables.emplace(i, AddGlobalVariable(id));
@ -1363,6 +1363,7 @@ private:
} else if (const auto cv = std::get_if<CustomVarNode>(&*dest)) {
target = {custom_variables.at(cv->GetIndex()), Type::Float};
} else {
UNIMPLEMENTED();
}

2
src/video_core/shader/const_buffer_locker.h
View file

@ -77,10 +77,12 @@ public:
return bindless_samplers;
}
/// Gets bound buffer used on this shader
u32 GetBoundBuffer() const {
return bound_buffer;
}
/// Obtains access to the guest driver's profile.
VideoCore::GuestDriverProfile* AccessGuestDriverProfile() const {
if (engine) {
return &engine->AccessGuestDriverProfile();

31
src/video_core/shader/decode.cpp
View file

@ -35,9 +35,9 @@ constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
}
void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
std::list<Sampler>& used_samplers) {
const std::list<Sampler>& used_samplers) {
if (gpu_driver == nullptr) {
LOG_CRITICAL(HW_GPU, "GPU Driver profile has not been created yet");
LOG_CRITICAL(HW_GPU, "GPU driver profile has not been created yet");
return;
}
if (gpu_driver->TextureHandlerSizeKnown() || used_samplers.size() <= 1) {
@ -57,9 +57,9 @@ void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
}
}
std::optional<u32> TryDeduceSamplerSize(Sampler& sampler_to_deduce,
std::optional<u32> TryDeduceSamplerSize(const Sampler& sampler_to_deduce,
VideoCore::GuestDriverProfile* gpu_driver,
std::list<Sampler>& used_samplers) {
const std::list<Sampler>& used_samplers) {
if (gpu_driver == nullptr) {
LOG_CRITICAL(HW_GPU, "GPU Driver profile has not been created yet");
return std::nullopt;
@ -367,17 +367,18 @@ void ShaderIR::PostDecode() {
auto gpu_driver = locker.AccessGuestDriverProfile();
DeduceTextureHandlerSize(gpu_driver, used_samplers);
// Deduce Indexed Samplers
if (uses_indexed_samplers) {
for (auto& sampler : used_samplers) {
if (sampler.IsIndexed()) {
auto size = TryDeduceSamplerSize(sampler, gpu_driver, used_samplers);
if (size) {
sampler.SetSize(*size);
} else {
LOG_CRITICAL(HW_GPU, "Failed to deduce size of indexed sampler");
sampler.SetSize(1);
}
}
if (!uses_indexed_samplers) {
return;
}
for (auto& sampler : used_samplers) {
if (!sampler.IsIndexed()) {
continue;
}
if (const auto size = TryDeduceSamplerSize(sampler, gpu_driver, used_samplers)) {
sampler.SetSize(*size);
} else {
LOG_CRITICAL(HW_GPU, "Failed to deduce size of indexed sampler");
sampler.SetSize(1);
}
}
}

3
src/video_core/shader/decode/texture.cpp
View file

@ -201,7 +201,8 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
}
for (u32 element = 0; element < values.size(); ++element) {
MetaTexture meta{*sampler, array_node, {}, {}, {}, derivates, {}, {}, {}, element, index_var};
MetaTexture meta{*sampler, array_node, {}, {}, {}, derivates,
{}, {}, {}, element, index_var};
values[element] = Operation(OperationCode::TextureGradient, std::move(meta), coords);
}

14
src/video_core/shader/node.h
View file

@ -291,7 +291,7 @@ public:
return size;
}
void SetSize(u32 new_size) {
constexpr void SetSize(u32 new_size) {
size = new_size;
}
@ -315,15 +315,15 @@ public:
explicit ArraySamplerNode(u32 index, u32 base_offset, u32 bindless_var)
: index{index}, base_offset{base_offset}, bindless_var{bindless_var} {}
u32 GetIndex() const {
constexpr u32 GetIndex() const {
return index;
}
u32 GetBaseOffset() const {
constexpr u32 GetBaseOffset() const {
return base_offset;
}
u32 GetIndexVar() const {
constexpr u32 GetIndexVar() const {
return bindless_var;
}
@ -338,11 +338,11 @@ class BindlessSamplerNode final {
public:
explicit BindlessSamplerNode(u32 index, u32 offset) : index{index}, offset{offset} {}
u32 GetIndex() const {
constexpr u32 GetIndex() const {
return index;
}
u32 GetOffset() const {
constexpr u32 GetOffset() const {
return offset;
}
@ -557,7 +557,7 @@ class CustomVarNode final {
public:
explicit constexpr CustomVarNode(u32 index) : index{index} {}
u32 GetIndex() const {
constexpr u32 GetIndex() const {
return index;
}

3
src/video_core/shader/shader_ir.cpp
View file

@ -458,8 +458,7 @@ std::size_t ShaderIR::DeclareAmend(Node new_amend) {
}
u32 ShaderIR::NewCustomVariable() {
const u32 id = num_custom_variables++;
return id;
return num_custom_variables++;
}
} // namespace VideoCommon::Shader

2
src/video_core/shader/shader_ir.h
View file

@ -180,7 +180,7 @@ public:
return amend_code[index];
}
u32 GetCustomVariablesAmount() const {
u32 GetNumCustomVariables() const {
return num_custom_variables;
}

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

@ -36,7 +36,6 @@ std::pair<Node, s64> FindOperation(const NodeBlock& code, s64 cursor,
}
return {};
}
} // Anonymous namespace
std::optional<std::pair<Node, Node>> DecoupleIndirectRead(const OperationNode& operation) {
if (operation.GetCode() != OperationCode::UAdd) {
@ -44,9 +43,7 @@ std::optional<std::pair<Node, Node>> DecoupleIndirectRead(const OperationNode& o
}
Node gpr{};
Node offset{};
if (operation.GetOperandsCount() != 2) {
return std::nullopt;
}
ASSERT(operation.GetOperandsCount() == 2);
for (std::size_t i = 0; i < operation.GetOperandsCount(); i++) {
Node operand = operation[i];
if (std::holds_alternative<ImmediateNode>(*operand)) {
@ -56,7 +53,7 @@ std::optional<std::pair<Node, Node>> DecoupleIndirectRead(const OperationNode& o
}
}
if (offset && gpr) {
return {std::make_pair(gpr, offset)};
return std::make_pair(gpr, offset);
}
return std::nullopt;
}
@ -72,6 +69,8 @@ bool AmendNodeCv(std::size_t amend_index, Node node) {
return false;
}
} // Anonymous namespace
std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, const NodeBlock& code,
s64 cursor) {
if (const auto cbuf = std::get_if<CbufNode>(&*tracked)) {