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llvmpipe: added lp_build_sample_nop() for debugging

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This commit is contained in:
Brian Paul
2010-04-30 13:53:54 -06:00
parent 58590a112a
commit 3a757b722d
1 changed files with 29 additions and 7 deletions
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src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
+29 -7
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@@ -2048,6 +2048,24 @@ lp_build_sample_compare(struct lp_build_sample_context *bld,
}
/**
* Just set texels to white instead of actually sampling the texture.
* For debugging.
*/
static void
lp_build_sample_nop(struct lp_build_sample_context *bld,
LLVMValueRef *texel)
{
struct lp_build_context *texel_bld = &bld->texel_bld;
unsigned chan;
for (chan = 0; chan < 4; chan++) {
/*lp_bld_mov(texel_bld, texel, texel_bld->one);*/
texel[chan] = texel_bld->one;
}
}
/**
* Build texture sampling code.
* 'texel' will return a vector of four LLVMValueRefs corresponding to
@@ -2113,13 +2131,17 @@ lp_build_sample_soa(LLVMBuilderRef builder,
height_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, height);
depth_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, depth);
if (util_format_is_rgba8_variant(bld.format_desc) &&
static_state->target == PIPE_TEXTURE_2D &&
static_state->min_img_filter == PIPE_TEX_FILTER_LINEAR &&
static_state->mag_img_filter == PIPE_TEX_FILTER_LINEAR &&
static_state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE &&
is_simple_wrap_mode(static_state->wrap_s) &&
is_simple_wrap_mode(static_state->wrap_t)) {
if (0) {
/* For debug: no-op texture sampling */
lp_build_sample_nop(&bld, texel);
}
else if (util_format_is_rgba8_variant(bld.format_desc) &&
static_state->target == PIPE_TEXTURE_2D &&
static_state->min_img_filter == PIPE_TEX_FILTER_LINEAR &&
static_state->mag_img_filter == PIPE_TEX_FILTER_LINEAR &&
static_state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE &&
is_simple_wrap_mode(static_state->wrap_s) &&
is_simple_wrap_mode(static_state->wrap_t)) {
/* special case */
lp_build_sample_2d_linear_aos(&bld, s, t, width_vec, height_vec,
row_stride_array, data_array, texel);