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i965/surface_state: Use an identity swizzle pre-Haswell

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Jason Ekstrand 2017-02-09 14:50:01 -08:00
parent 293b8de161
commit 23d703de1f
1 changed files with 6 additions and 0 deletions
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6
src/mesa/drivers/dri/i965/brw_wm_surface_state.c
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@ -592,6 +592,12 @@ static void brw_update_texture_surface(struct gl_context *ctx,
.usage = ISL_SURF_USAGE_TEXTURE_BIT,
};
/* On Ivy Bridge and earlier, we handle texture swizzle with shader
* code. The actual surface swizzle should be identity.
*/
if (devinfo->gen <= 7 && !devinfo->is_haswell)
view.swizzle = ISL_SWIZZLE_IDENTITY;
if (obj->Target == GL_TEXTURE_CUBE_MAP ||
obj->Target == GL_TEXTURE_CUBE_MAP_ARRAY)
view.usage |= ISL_SURF_USAGE_CUBE_BIT;