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Add routines to standard library to do efficient AOS/SOA conversions.

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Currently, we just support 3 and 4-wide variants (i.e. xyzxyz.. and xyzwxyzw..),
for int32 and float types.
This commit is contained in:
Matt Pharr
2011-10-10 10:56:06 -07:00
parent f5391747b9
commit 3cb0115dce
11 changed files with 1041 additions and 2 deletions
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27
failing_tests/aossoa-7.ispc Normal file
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export uniform int width() { return programCount; }
export void f_v(uniform float RET[]) {
#define width 4
//CO const uniform int width = 4;
uniform int a[width*programCount], r[width*programCount];
for (uniform int i = 0; i < width*programCount; ++i)
a[i] = -1;
int x = width * programIndex;
int y = 1 + width * programIndex;
int z = 2 + width * programIndex;
int w = 3 + width * programIndex;
soa_to_aos4(x, y, z, w, a, 0);
uniform int errs = 0;
for (uniform int i = 0; i < width * programCount; ++i)
if (a[i] != i) ++errs;
RET[programIndex] = errs;
}
export void result(uniform float RET[]) {
RET[programIndex] = 0;
}

26
failing_tests/aossoa-8.ispc Normal file
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export uniform int width() { return programCount; }
export void f_v(uniform float RET[]) {
#define width 3
//CO const uniform int width = 4;
uniform int a[width*programCount], r[width*programCount];
for (uniform int i = 0; i < width*programCount; ++i)
a[i] = -1;
int x = width * programIndex;
int y = 1 + width * programIndex;
int z = 2 + width * programIndex;
soa_to_aos3(x, y, z, a, 0);
uniform int errs = 0;
for (uniform int i = 0; i < width * programCount; ++i)
if (a[i] != i) ++errs;
RET[programIndex] = errs;
}
export void result(uniform float RET[]) {
RET[programIndex] = 0;
}