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Shader_IR: Address Feedback

This commit is contained in:
Fernando Sahmkow 2020-01-04 14:40:57 -04:00
parent b3371ed09e
commit 3dd6b55851
5 changed files with 19 additions and 38 deletions
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17
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View File

@ -751,10 +751,8 @@ private:
Expression Visit(const Node& node) {
if (const auto operation = std::get_if<OperationNode>(&*node)) {
auto amend_index = operation->GetAmendIndex();
if (amend_index) {
const Node& amend_node = ir.GetAmendNode(*amend_index);
Visit(amend_node).CheckVoid();
if (const auto amend_index = operation->GetAmendIndex()) {
Visit(ir.GetAmendNode(*amend_index)).CheckVoid();
}
const auto operation_index = static_cast<std::size_t>(operation->GetCode());
if (operation_index >= operation_decompilers.size()) {
@ -877,10 +875,8 @@ private:
}
if (const auto conditional = std::get_if<ConditionalNode>(&*node)) {
auto amend_index = conditional->GetAmendIndex();
if (amend_index) {
const Node& amend_node = ir.GetAmendNode(*amend_index);
Visit(amend_node).CheckVoid();
if (const auto amend_index = conditional->GetAmendIndex()) {
Visit(ir.GetAmendNode(*amend_index)).CheckVoid();
}
// It's invalid to call conditional on nested nodes, use an operation instead
code.AddLine("if ({}) {{", Visit(conditional->GetCondition()).AsBool());
@ -894,11 +890,6 @@ private:
}
if (const auto comment = std::get_if<CommentNode>(&*node)) {
auto amend_index = comment->GetAmendIndex();
if (amend_index) {
const Node& amend_node = ir.GetAmendNode(*amend_index);
Visit(amend_node).CheckVoid();
}
code.AddLine("// " + comment->GetText());
return {};
}

18
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
View File

@ -954,10 +954,8 @@ private:
Expression Visit(const Node& node) {
if (const auto operation = std::get_if<OperationNode>(&*node)) {
auto amend_index = operation->GetAmendIndex();
if (amend_index) {
const Node& amend_node = ir.GetAmendNode(*amend_index);
[[maybe_unused]] const Type type = Visit(amend_node).type;
if (const auto amend_index = operation->GetAmendIndex()) {
[[maybe_unused]] const Type type = Visit(ir.GetAmendNode(*amend_index)).type;
ASSERT(type == Type::Void);
}
const auto operation_index = static_cast<std::size_t>(operation->GetCode());
@ -1148,10 +1146,8 @@ private:
}
if (const auto conditional = std::get_if<ConditionalNode>(&*node)) {
auto amend_index = conditional->GetAmendIndex();
if (amend_index) {
const Node& amend_node = ir.GetAmendNode(*amend_index);
[[maybe_unused]] const Type type = Visit(amend_node).type;
if (const auto amend_index = conditional->GetAmendIndex()) {
[[maybe_unused]] const Type type = Visit(ir.GetAmendNode(*amend_index)).type;
ASSERT(type == Type::Void);
}
// It's invalid to call conditional on nested nodes, use an operation instead
@ -1176,12 +1172,6 @@ private:
}
if (const auto comment = std::get_if<CommentNode>(&*node)) {
auto amend_index = comment->GetAmendIndex();
if (amend_index) {
const Node& amend_node = ir.GetAmendNode(*amend_index);
[[maybe_unused]] const Type type = Visit(amend_node).type;
ASSERT(type == Type::Void);
}
Name(OpUndef(t_void), comment->GetText());
return {};
}

10
src/video_core/shader/node.h
View File

@ -394,14 +394,14 @@ using Meta =
class AmendNode {
public:
std::optional<u32> GetAmendIndex() const {
std::optional<std::size_t> GetAmendIndex() const {
if (amend_index == amend_null_index) {
return std::nullopt;
}
return {amend_index};
}
void SetAmendIndex(u32 index) {
void SetAmendIndex(std::size_t index) {
amend_index = index;
}
@ -410,8 +410,8 @@ public:
}
private:
static constexpr u32 amend_null_index = 0xFFFFFFFF;
u32 amend_index{amend_null_index};
static constexpr std::size_t amend_null_index = 0xFFFFFFFFFFFFFFFFULL;
std::size_t amend_index{amend_null_index};
};
/// Holds any kind of operation that can be done in the IR
@ -652,7 +652,7 @@ private:
};
/// Commentary, can be dropped
class CommentNode final : public AmendNode {
class CommentNode final {
public:
explicit CommentNode(std::string text) : text{std::move(text)} {}

4
src/video_core/shader/shader_ir.cpp
View File

@ -446,8 +446,8 @@ Node ShaderIR::BitfieldInsert(Node base, Node insert, u32 offset, u32 bits) {
Immediate(bits));
}
u32 ShaderIR::DeclareAmend(Node new_amend) {
const u32 id = static_cast<u32>(amend_code.size());
std::size_t ShaderIR::DeclareAmend(Node new_amend) {
const std::size_t id = amend_code.size();
amend_code.push_back(new_amend);
return id;
}

8
src/video_core/shader/shader_ir.h
View File

@ -176,7 +176,7 @@ public:
/// Returns a condition code evaluated from internal flags
Node GetConditionCode(Tegra::Shader::ConditionCode cc) const;
const Node& GetAmendNode(u32 index) const {
const Node& GetAmendNode(std::size_t index) const {
return amend_code[index];
}
@ -396,8 +396,8 @@ private:
Tegra::Shader::Instruction instr,
bool is_write);
/// Amends
u32 DeclareAmend(Node new_amend);
/// Register new amending code and obtain the reference id.
std::size_t DeclareAmend(Node new_amend);
const ProgramCode& program_code;
const u32 main_offset;
@ -413,7 +413,7 @@ private:
std::map<u32, NodeBlock> basic_blocks;
NodeBlock global_code;
ASTManager program_manager{true, true};
NodeBlock amend_code;
std::vector<Node> amend_code;
std::set<u32> used_registers;
std::set<Tegra::Shader::Pred> used_predicates;