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zink: handle culldistance xfb outputs like clipdistance

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fixes:
spec@ext_transform_feedback@builtin-varyings gl_culldistance

cc: mesa-stable

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18724>
(cherry picked from commit 21ba47c821)
This commit is contained in:
Mike Blumenkrantz
2022-09-22 15:33:48 -04:00
committed by Dylan Baker
parent d600acf6d9
commit 7cb53bcf6f
2 changed files with 3 additions and 3 deletions
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2
.pick_status.json
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@@ -1192,7 +1192,7 @@
"description": "zink: handle culldistance xfb outputs like clipdistance",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null
},

4
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
View File

@@ -1614,7 +1614,7 @@ emit_so_outputs(struct ntv_context *ctx,
for (unsigned c = 0; c < so_output.num_components; c++) {
components[c] = so_output.start_component + c;
/* this is the second half of a 2 * vec4 array */
if (slot == VARYING_SLOT_CLIP_DIST1)
if (slot == VARYING_SLOT_CLIP_DIST1 || slot == VARYING_SLOT_CULL_DIST1)
components[c] += 4;
}
/* OpVectorShuffle can select vector members into a differently-sized vector */
@@ -1645,7 +1645,7 @@ emit_so_outputs(struct ntv_context *ctx,
uint32_t member = so_output.start_component + c;
SpvId base_type = get_glsl_basetype(ctx, glsl_get_base_type(bare_type));
if (slot == VARYING_SLOT_CLIP_DIST1)
if (slot == VARYING_SLOT_CLIP_DIST1 || slot == VARYING_SLOT_CULL_DIST1)
member += 4;
components[idx] = spirv_builder_emit_composite_extract(&ctx->builder, base_type, src, &member, 1);
if (glsl_type_is_64bit(bare_type)) {