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gallivm: fix texel fetch for array textures (2) 

a460aea3f1 wasn't entirely correct,
since all coords are already ints hence need to skip the iround.
Passes piglit texelFetch with sampler1DArray/sampler2DArray.

Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Roland Scheidegger 2012-12-14 21:17:05 +01:00
parent 1358f3a905
commit 3d14b25030
1 changed files with 3 additions and 2 deletions
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5
src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
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@ -984,7 +984,6 @@ lp_build_layer_coord(struct lp_build_sample_context *bld,
{
LLVMValueRef maxlayer;
layer = lp_build_iround(&bld->coord_bld, layer);
maxlayer = bld->dynamic_state->depth(bld->dynamic_state,
bld->gallivm, unit);
maxlayer = lp_build_sub(&bld->int_bld, maxlayer, bld->int_bld.one);
@ -1041,9 +1040,11 @@ lp_build_sample_common(struct lp_build_sample_context *bld,
derivs = &face_derivs;
}
else if (target == PIPE_TEXTURE_1D_ARRAY) {
*r = lp_build_layer_coord(bld, unit, *t);
*r = lp_build_iround(&bld->coord_bld, *t);
*r = lp_build_layer_coord(bld, unit, *r);
}
else if (target == PIPE_TEXTURE_2D_ARRAY) {
*r = lp_build_iround(&bld->coord_bld, *r);
*r = lp_build_layer_coord(bld, unit, *r);
}