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-rw-r--r--src/video_core/shader/node.h28
-rw-r--r--src/video_core/shader/shader_ir.cpp6
-rw-r--r--src/video_core/shader/shader_ir.h8
3 files changed, 39 insertions, 3 deletions
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index 4d2f4d6a8..42e82ab74 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -392,8 +392,30 @@ struct MetaImage {
using Meta =
std::variant<MetaArithmetic, MetaTexture, MetaImage, MetaStackClass, Tegra::Shader::HalfType>;
+class AmendNode {
+public:
+ std::optional<u32> GetAmendIndex() const {
+ if (amend_index == amend_null_index) {
+ return std::nullopt;
+ }
+ return {amend_index};
+ }
+
+ void SetAmendIndex(u32 index) {
+ amend_index = index;
+ }
+
+ void ClearAmend() {
+ amend_index = amend_null_index;
+ }
+
+private:
+ static constexpr u32 amend_null_index = 0xFFFFFFFF;
+ u32 amend_index{amend_null_index};
+};
+
/// Holds any kind of operation that can be done in the IR
-class OperationNode final {
+class OperationNode final : public AmendNode {
public:
explicit OperationNode(OperationCode code) : OperationNode(code, Meta{}) {}
@@ -433,7 +455,7 @@ private:
};
/// Encloses inside any kind of node that returns a boolean conditionally-executed code
-class ConditionalNode final {
+class ConditionalNode final : public AmendNode {
public:
explicit ConditionalNode(Node condition, std::vector<Node>&& code)
: condition{std::move(condition)}, code{std::move(code)} {}
@@ -630,7 +652,7 @@ private:
};
/// Commentary, can be dropped
-class CommentNode final {
+class CommentNode final : public AmendNode {
public:
explicit CommentNode(std::string text) : text{std::move(text)} {}
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index 1d9825c76..49678767c 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -446,4 +446,10 @@ 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());
+ amend_code.push_back(new_amend);
+ return id;
+}
+
} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index baed06ccd..52f130e1b 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -176,6 +176,10 @@ public:
/// Returns a condition code evaluated from internal flags
Node GetConditionCode(Tegra::Shader::ConditionCode cc) const;
+ const Node& GetAmendNode(u32 index) const {
+ return amend_code[index];
+ }
+
private:
friend class ASTDecoder;
@@ -392,6 +396,9 @@ private:
Tegra::Shader::Instruction instr,
bool is_write);
+ /// Amends
+ u32 DeclareAmend(Node new_amend);
+
const ProgramCode& program_code;
const u32 main_offset;
const CompilerSettings settings;
@@ -406,6 +413,7 @@ private:
std::map<u32, NodeBlock> basic_blocks;
NodeBlock global_code;
ASTManager program_manager{true, true};
+ NodeBlock amend_code;
std::set<u32> used_registers;
std::set<Tegra::Shader::Pred> used_predicates;