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shader_ir/decode: Implement half float saturation

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This commit is contained in:
ReinUsesLisp
2019-04-09 18:41:41 -03:00
parent 90cbf89303
commit 64613db605
5 changed files with 31 additions and 8 deletions
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3
src/video_core/shader/shader_ir.h
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@ -114,6 +114,7 @@ enum class OperationCode {
HFma, /// (MetaHalfArithmetic, f16vec2 a, f16vec2 b, f16vec2 c) -> f16vec2
HAbsolute, /// (f16vec2 a) -> f16vec2
HNegate, /// (f16vec2 a, bool first, bool second) -> f16vec2
HClamp, /// (f16vec2 src, float min, float max) -> f16vec2
HMergeF32, /// (f16vec2 src) -> float
HMergeH0, /// (f16vec2 dest, f16vec2 src) -> f16vec2
HMergeH1, /// (f16vec2 dest, f16vec2 src) -> f16vec2
@ -716,6 +717,8 @@ private:
Node HalfMerge(Node dest, Node src, Tegra::Shader::HalfMerge merge);
/// Conditionally absolute/negated half float pair. Absolute is applied first
Node GetOperandAbsNegHalf(Node value, bool absolute, bool negate);
/// Conditionally saturates a half float pair
Node GetSaturatedHalfFloat(Node value, bool saturate = true);
/// Returns a predicate comparing two floats
Node GetPredicateComparisonFloat(Tegra::Shader::PredCondition condition, Node op_a, Node op_b);