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SPV: Add a switch for favoring non-NaN operands in min, max, and clamp.

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This commit is contained in:
John Kessenich 2019-06-17 23:33:09 -06:00
parent d579c0a7d4
commit 605afc7b1b
8 changed files with 1433 additions and 6 deletions
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7
glslang/MachineIndependent/localintermediate.h
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@ -266,7 +266,8 @@ public:
needToLegalize(false),
binaryDoubleOutput(false),
usePhysicalStorageBuffer(false),
uniformLocationBase(0)
uniformLocationBase(0),
nanMinMaxClamp(false)
{
localSize[0] = 1;
localSize[1] = 1;
@ -767,6 +768,9 @@ public:
void setUniformLocationBase(int base) { uniformLocationBase = base; }
int getUniformLocationBase() const { return uniformLocationBase; }
void setNanMinMaxClamp(bool setting) { nanMinMaxClamp = setting; }
bool getNanMinMaxClamp() const { return nanMinMaxClamp; }
void setNeedsLegalization() { needToLegalize = true; }
bool needsLegalization() const { return needToLegalize; }
@ -900,6 +904,7 @@ protected:
std::unordered_map<std::string, int> uniformLocationOverrides;
int uniformLocationBase;
bool nanMinMaxClamp; // true if desiring min/max/clamp to favor non-NaN over NaN
private:
void operator=(TIntermediate&); // prevent assignments