On 24 March 2011 10:26, Fabian Bieler <[email protected]> wrote:
> if (inst->Texture.Texture == TGSI_TEXTURE_CUBE) {
> - static const unsigned src0_swizzle[] = {2, 2, 0, 1};
> - static const unsigned src1_swizzle[] = {1, 0, 2, 2};
> + unsigned src0_swizzle[4];
> + unsigned src1_swizzle[4];
> + if (src_loaded) {
> + src0_swizzle[0] = 2; src0_swizzle[1] = 2;
> + src0_swizzle[2] = 0; src0_swizzle[3] = 1;
> + src1_swizzle[0] = 1; src1_swizzle[1] = 0;
> + src1_swizzle[2] = 2; src1_swizzle[3] = 2;
> + } else {
> + src0_swizzle[0] = ctx->src[0].swizzle[2];
> + src0_swizzle[1] = ctx->src[0].swizzle[2];
> + src0_swizzle[2] = ctx->src[0].swizzle[0];
> + src0_swizzle[3] = ctx->src[0].swizzle[1];
>
> + src1_swizzle[0] = ctx->src[0].swizzle[1];
> + src1_swizzle[1] = ctx->src[0].swizzle[0];
> + src1_swizzle[2] = ctx->src[0].swizzle[2];
> + src1_swizzle[3] = ctx->src[0].swizzle[2];
> + }
What is this supposed to do? It looks like you're trying to avoid a
double swizzle in case of projected cube textures, but note that the
CUBE instruction always uses r600_bc_src() with ctx->src[0], never
src_gpr.
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