Shader_IR: Address feedback.

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

View file

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

View file

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

View file

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

View file

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

View file

@ -35,9 +35,9 @@ constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
} }
void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver, void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
std::list<Sampler>& used_samplers) { const std::list<Sampler>& used_samplers) {
if (gpu_driver == nullptr) { 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; return;
} }
if (gpu_driver->TextureHandlerSizeKnown() || used_samplers.size() <= 1) { 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, VideoCore::GuestDriverProfile* gpu_driver,
std::list<Sampler>& used_samplers) { const std::list<Sampler>& used_samplers) {
if (gpu_driver == nullptr) { 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 std::nullopt; return std::nullopt;
@ -367,11 +367,14 @@ void ShaderIR::PostDecode() {
auto gpu_driver = locker.AccessGuestDriverProfile(); auto gpu_driver = locker.AccessGuestDriverProfile();
DeduceTextureHandlerSize(gpu_driver, used_samplers); DeduceTextureHandlerSize(gpu_driver, used_samplers);
// Deduce Indexed Samplers // Deduce Indexed Samplers
if (uses_indexed_samplers) { if (!uses_indexed_samplers) {
return;
}
for (auto& sampler : used_samplers) { for (auto& sampler : used_samplers) {
if (sampler.IsIndexed()) { if (!sampler.IsIndexed()) {
auto size = TryDeduceSamplerSize(sampler, gpu_driver, used_samplers); continue;
if (size) { }
if (const auto size = TryDeduceSamplerSize(sampler, gpu_driver, used_samplers)) {
sampler.SetSize(*size); sampler.SetSize(*size);
} else { } else {
LOG_CRITICAL(HW_GPU, "Failed to deduce size of indexed sampler"); LOG_CRITICAL(HW_GPU, "Failed to deduce size of indexed sampler");
@ -379,7 +382,5 @@ void ShaderIR::PostDecode() {
} }
} }
} }
}
}
} // namespace VideoCommon::Shader } // namespace VideoCommon::Shader

View file

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

View file

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

View file

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

View file

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

View file

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