d2d5858be1
scalar values (that ispc used to smear across the array/struct
elements). Now, initializers in variable declarations must be
{ }-delimited lists, with one element per struct member or array
element, respectively.
There were a few problems with the previous implementation of the
functionality to initialize from scalars. First, the expression
would be evaluated once per value initialized, so if it had side-effects,
the wrong thing would happen. Next, for large multidimensional arrays,
the generated code would be a long series of move instructions, rather
than loops (and this in turn made LLVM take a long time.)
While both of these problems are fixable, it's a non-trivial
amount of re-plumbing for a questionable feature anyway.
Fixes issue #50.
18 lines
477 B
Plaintext
18 lines
477 B
Plaintext
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export uniform int width() { return programCount; }
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export void f_f(uniform float RET[], uniform float aFOO[]) {
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float a = aFOO[programIndex];
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uniform int pack[2+programCount];
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for (uniform int i = 0; i < 2+programCount; ++i)
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pack[i] = 0;
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uniform int count = 0;
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if ((int)a & 1)
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count += packed_store_active(pack, 2, a);
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RET[programIndex] = count;
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}
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export void result(uniform float RET[]) {
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RET[programIndex] = programCount/2;
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}
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