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radv: Use 0 for the layer id if the vertex shader does not export it.

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To use when we have e.g. input attachments, but there is no layer
export in the previous shader and hence no layered rendering.

Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen
2017-08-18 00:32:41 +02:00
parent 3d5f29f5f9
commit 64164a1313
1 changed files with 4 additions and 3 deletions
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7
src/amd/vulkan/radv_pipeline.c
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@@ -2119,10 +2119,11 @@ static void calculate_ps_inputs(struct radv_pipeline *pipeline)
if (ps->info.fs.layer_input) {
unsigned vs_offset = outinfo->vs_output_param_offset[VARYING_SLOT_LAYER];
if (vs_offset != AC_EXP_PARAM_UNDEFINED) {
if (vs_offset != AC_EXP_PARAM_UNDEFINED)
pipeline->graphics.ps_input_cntl[ps_offset] = offset_to_ps_input(vs_offset, true);
++ps_offset;
}
else
pipeline->graphics.ps_input_cntl[ps_offset] = offset_to_ps_input(AC_EXP_PARAM_DEFAULT_VAL_0000, true);
++ps_offset;
}
if (ps->info.fs.has_pcoord) {