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panfrost: Don't double-flip Z/W for 2D arrays 

We need to mindful that we don't clobber the shadow comparator.

Fixes dEQP-GLES3.functional.shaders.texture_functions.texture.sampler2darrayshadow_*

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2020-01-06 21:36:20 -05:00 committed by Tomeu Vizoso
parent bc4c853b49
commit 4cd3dc94ad
1 changed files with 5 additions and 2 deletions
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7
src/panfrost/midgard/midgard_compile.c
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@ -1837,10 +1837,13 @@ emit_texop_native(compiler_context *ctx, nir_tex_instr *instr,
}
if (instr->sampler_dim == GLSL_SAMPLER_DIM_2D) {
/* Array component in w but NIR wants it in z */
/* Array component in w but NIR wants it in z,
* but if we have a temp coord we already fixed
* that up */
if (nr_components == 3) {
ins.swizzle[1][2] = COMPONENT_Z;
ins.swizzle[1][3] = COMPONENT_Z;
ins.swizzle[1][3] = needs_temp_coord ? COMPONENT_W : COMPONENT_Z;
} else if (nr_components == 2) {
ins.swizzle[1][2] =
instr->is_shadow ? COMPONENT_Z : COMPONENT_X;