zink: fix streamout emission for super-enhanced layouts
if we get some crazy matrix types in here then we need to ensure that
we accurately unwrap them and copy the components
fixes KHR-GL46.enhanced_layouts.xfb_stride
Fixes: 1b130c42b8
("zink: implement streamout and xfb handling in ntv")
Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9271>
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@ -1343,12 +1343,18 @@ emit_so_outputs(struct ntv_context *ctx,
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* and re-pack them into the desired output type
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*/
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for (unsigned c = 0; c < so_output.num_components; c++) {
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uint32_t member[] = { so_output.start_component + c };
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SpvId base_type = get_glsl_type(ctx, glsl_without_array(out_type));
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uint32_t member[2];
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unsigned member_idx = 0;
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if (glsl_type_is_matrix(out_type)) {
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member_idx = 1;
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member[0] = so_output.register_index;
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}
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member[member_idx] = so_output.start_component + c;
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SpvId base_type = get_glsl_basetype(ctx, glsl_get_base_type(glsl_without_array_or_matrix(out_type)));
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if (slot == VARYING_SLOT_CLIP_DIST1)
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member[0] += 4;
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components[c] = spirv_builder_emit_composite_extract(&ctx->builder, base_type, src, member, 1);
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member[member_idx] += 4;
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components[c] = spirv_builder_emit_composite_extract(&ctx->builder, base_type, src, member, 1 + member_idx);
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}
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result = spirv_builder_emit_composite_construct(&ctx->builder, type, components, so_output.num_components);
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}
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