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svga: allow TGSI_TEXTURE_CUBE_ARRAY in emit_tg4()

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Technically, SM4.1 doesn't support cube map arrays, but our backend
renderers actually do.  This allows the Piglit textureGather cube
map array tests to pass.

Tested with GLrenderer, DX11renderer and SWrenderer.

Reviewed-by: Neha Bhende <bhenden@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Brian Paul
2017-11-17 11:18:38 -07:00
parent 3467a274e0
commit 0fc6c17bf2
1 changed files with 2 additions and 7 deletions
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src/gallium/drivers/svga/svga_tgsi_vgpu10.c
+2 -7
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@@ -5329,7 +5329,6 @@ emit_tg4(struct svga_shader_emitter_v10 *emit,
const struct tgsi_full_instruction *inst)
{
const uint unit = inst->Src[2].Register.Index;
unsigned target = inst->Texture.Texture;
struct tgsi_full_src_register src;
int offsets[3];
@@ -5337,12 +5336,8 @@ emit_tg4(struct svga_shader_emitter_v10 *emit,
if (!is_valid_tex_instruction(emit, inst))
return TRUE;
if (target == TGSI_TEXTURE_CUBE_ARRAY) {
debug_printf("TGSI_TEXTURE_CUBE_ARRAY is not supported\n");
return TRUE;
}
/* Only single channel is supported in SM4_1.
/* Only a single channel is supported in SM4_1 and we report
* PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS = 1.
* Only the 0th component will be gathered.
*/
switch (emit->key.tex[unit].swizzle_r) {