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-rw-r--r--src/video_core/shader/node.h8
-rw-r--r--src/video_core/shader/shader_ir.cpp51
-rw-r--r--src/video_core/shader/shader_ir.h3
3 files changed, 59 insertions, 3 deletions
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index b54d33763..c9840b75e 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -465,6 +465,14 @@ public:
return operands.size();
}
+ NodeBlock& GetOperands() {
+ return operands;
+ }
+
+ const NodeBlock& GetOperands() const {
+ return operands;
+ }
+
[[nodiscard]] const Node& operator[](std::size_t operand_index) const {
return operands.at(operand_index);
}
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index a4987ffc6..caf5ff362 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -388,9 +388,54 @@ void ShaderIR::SetInternalFlagsFromInteger(NodeBlock& bb, Node value, bool sets_
if (!sets_cc) {
return;
}
- Node zerop = Operation(OperationCode::LogicalIEqual, std::move(value), Immediate(0));
- SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
- LOG_WARNING(HW_GPU, "Condition codes implementation is incomplete");
+ switch (value->index()) {
+ case 0: // Operation Node
+ SearchOperands(bb, value);
+ break;
+ case 2: // Genral Purpose Node
+ if (const auto* gpr = std::get_if<GprNode>(value.get())) {
+ LOG_DEBUG(HW_GPU, "GprNode: index={}", gpr->GetIndex());
+ Node zerop = Operation(OperationCode::LogicalIEqual, std::move(value),
+ Immediate(gpr->GetIndex()));
+ SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
+ }
+ break;
+
+ default:
+ Node zerop = Operation(OperationCode::LogicalIEqual, std::move(value), Immediate(0));
+ SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
+ LOG_WARNING(HW_GPU, "Node Type: {}", value->index());
+ break;
+ }
+}
+
+void ShaderIR::SearchOperands(NodeBlock& nb, Node var) {
+ const auto* op = std::get_if<OperationNode>(var.get());
+ if (op == nullptr) {
+ return;
+ }
+
+ if (op->GetOperandsCount() == 0) {
+ return;
+ }
+
+ for (auto& operand : op->GetOperands()) {
+ switch (operand->index()) {
+ case 0: // Operation Node
+ return SearchOperands(nb, operand);
+ case 2: // General Purpose Node
+ if (const auto* gpr = std::get_if<GprNode>(operand.get())) {
+ LOG_DEBUG(HW_GPU, "Child GprNode: index={}", gpr->GetIndex());
+ Node zerop = Operation(OperationCode::LogicalIEqual, std::move(operand),
+ Immediate(gpr->GetIndex()));
+ SetInternalFlag(nb, InternalFlag::Zero, std::move(zerop));
+ }
+ break;
+ default:
+ LOG_WARNING(HW_GPU, "Child Node Type: {}", operand->index());
+ break;
+ }
+ }
}
Node ShaderIR::BitfieldExtract(Node value, u32 offset, u32 bits) {
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index 0c6ab0f07..0afa39531 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -346,6 +346,9 @@ private:
/// Access a bindless image sampler.
ImageEntry& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type);
+ /// Recursive Iteration over the OperationNode operands, searching for GprNodes.
+ void SearchOperands(NodeBlock& nb, Node var);
+
/// Extracts a sequence of bits from a node
Node BitfieldExtract(Node value, u32 offset, u32 bits);