SPIRV-Cross/shaders/comp/defer-parens.comp
2016-12-08 09:05:30 +01:00

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#version 310 es
layout(local_size_x = 1) in;
layout(binding = 0, std430) buffer SSBO
{
vec4 data;
int index;
};
void main()
{
// Tests defer-parens behavior where a binary expression is OpCompositeExtracted chained together
// with an OpCompositeConstruct optimization.
vec4 d = data;
data = vec4(d.x, d.yz + 10.0, d.w);
// Verify binary ops.
data = d + d + d;
// Verify swizzles.
data = (d.yz + 10.0).xxyy;
// OpCompositeExtract
float t = (d.yz + 10.0).y;
data = vec4(t);
// OpVectorExtractDynamic
t = (d.zw + 10.0)[index];
data = vec4(t);
}