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Implement 'index' layout qualifier for fragment outputs. Based partly on a submission.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27759 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-08-19 02:12:44 +00:00
parent d1888f83f6
commit aa657c117e
18 changed files with 135 additions and 58 deletions
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12
glslang/MachineIndependent/localintermediate.h
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@ -77,18 +77,20 @@ struct TRange {
int last;
};
// A *location* range is a 2-D rectangle; the set of (location, component) pairs all lying
// both within the location range and the component range. Locations don't alias unless
// both dimensions of their range overlap.
// An IO range is a 3-D rectangle; the set of (location, component, index) triples all lying
// within the same location range, component range, and index value. Locations don't alias unless
// all other dimensions of their range overlap.
struct TIoRange {
TIoRange(TRange location, TRange component, TBasicType basicType) : location(location), component(component), basicType(basicType) { }
TIoRange(TRange location, TRange component, TBasicType basicType, int index)
: location(location), component(component), basicType(basicType), index(index) { }
bool overlap(const TIoRange& rhs) const
{
return location.overlap(rhs.location) && component.overlap(rhs.component);
return location.overlap(rhs.location) && component.overlap(rhs.component) && index == rhs.index;
}
TRange location;
TRange component;
TBasicType basicType;
int index;
};
// Things that need to be tracked per xfb buffer.