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This commit is contained in:
Levi Behunin 2020-09-24 21:52:23 -06:00
parent d53b79ff5c
commit a19dc3bf00
3 changed files with 34 additions and 25 deletions
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6
src/video_core/shader/node.h
View file

@ -464,7 +464,11 @@ public:
return operands.size();
}
NodeBlock GetOperands() const {
NodeBlock& GetOperands() {
return operands;
}
const NodeBlock& GetOperands() const {
return operands;
}

39
src/video_core/shader/shader_ir.cpp
View file

@ -388,12 +388,12 @@ void ShaderIR::SetInternalFlagsFromInteger(NodeBlock& bb, Node value, bool sets_
return;
}
switch (value->index()) {
case 0:
case 0: // Operation Node
Iterop(bb, value);
break;
case 2:
case 2: // Genral Purpose Node
if (const auto gpr = std::get_if<GprNode>(value.get())) {
LOG_WARNING(HW_GPU, "GprNode: index={}", gpr->GetIndex());
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));
@ -408,29 +408,34 @@ void ShaderIR::SetInternalFlagsFromInteger(NodeBlock& bb, Node value, bool sets_
}
}
void ShaderIR::Iterop(NodeBlock& nb, Node var) {
if (const auto op = std::get_if<OperationNode>(var.get())) {
if (op->GetOperandsCount() > 0) {
for (auto& opss : op->GetOperands()) {
switch (opss->index()) {
case 0:
return Iterop(nb, opss);
case 2:
if (const auto gpr = std::get_if<GprNode>(opss.get())) {
LOG_WARNING(HW_GPU, "Child GprNode: index={}", gpr->GetIndex());
Node zerop = Operation(OperationCode::LogicalIEqual, std::move(opss),
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 Iterop(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: {}", opss->index());
LOG_WARNING(HW_GPU, "Child Node Type: {}", operand->index());
break;
}
}
}
}
}
Node ShaderIR::BitfieldExtract(Node value, u32 offset, u32 bits) {
return Operation(OperationCode::UBitfieldExtract, NO_PRECISE, std::move(value),

4
src/video_core/shader/shader_ir.h
View file

@ -346,8 +346,8 @@ private:
/// Access a bindless image sampler.
Image& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type);
/// Recursive Iteration over the OperationNode operands
void Iterop(NodeBlock& nb, Node var);
/// 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);