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ispc/tests/swizzle-6.ispc
Pete Couperus 59036cdf5b Add support for multi-element vector swizzles. Issue #17.
This commit adds support for swizzles like "foo.zy" (if "foo" is,
for example, a float<3> type) as rvalues.  (Still need support for
swizzles as lvalues.)
2011-07-22 13:10:14 +01:00

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export uniform int width() { return programCount; }
export void f_v(uniform float RET[]) {
float<3> a = {1,2,3};
float<3> b1 = a.yzx;
float<3> b2 = b1.yzx;
float<3> b3 = b2.yzx;
float<3> b = b3 - a;
RET[programIndex] = b.x + 2*b.y + 3*b.z;
}
export void result(uniform float RET[]) {
RET[programIndex] = 0;
}