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authorReinUsesLisp <reinuseslisp@airmail.cc>2018-12-21 02:56:08 +0100
committerReinUsesLisp <reinuseslisp@airmail.cc>2019-01-15 21:54:49 +0100
commit833d0806f92b893220cf43d63c223a7cd9af9022 (patch)
tree523c7921c8fb055608c6aef633c0c6efbc54da14 /src/video_core/shader/shader_ir.cpp
parentshader_ir: Add setters (diff)
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Diffstat (limited to 'src/video_core/shader/shader_ir.cpp')
-rw-r--r--src/video_core/shader/shader_ir.cpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index 48046d967..af95e54ef 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -121,6 +121,25 @@ Node ShaderIR::GetLocalMemory(Node address) {
return StoreNode(LmemNode(address));
}
+Node ShaderIR::GetOperandAbsNegFloat(Node value, bool absolute, bool negate) {
+ if (absolute) {
+ value = Operation(OperationCode::FAbsolute, NO_PRECISE, value);
+ }
+ if (negate) {
+ value = Operation(OperationCode::FNegate, NO_PRECISE, value);
+ }
+ return value;
+}
+
+Node ShaderIR::GetSaturatedFloat(Node value, bool saturate) {
+ if (!saturate) {
+ return value;
+ }
+ const Node positive_zero = Immediate(std::copysignf(0, 1));
+ const Node positive_one = Immediate(1.0f);
+ return Operation(OperationCode::FClamp, NO_PRECISE, value, positive_zero, positive_one);
+}
+
void ShaderIR::SetRegister(BasicBlock& bb, Register dest, Node src) {
bb.push_back(Operation(OperationCode::Assign, GetRegister(dest), src));
}