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anv: Add a helper to determine sampling with HiZ 

Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Nanley Chery 2017-01-09 19:24:44 -08:00
parent bcf880a9c8
commit 3ac01ad2ac
1 changed files with 7 additions and 0 deletions
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7
src/intel/vulkan/anv_private.h
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@ -1609,6 +1609,13 @@ struct anv_image {
struct anv_surface aux_surface;
};
/* Returns true if a HiZ-enabled depth buffer can be sampled from. */
static inline bool
anv_can_sample_with_hiz(uint8_t gen, uint32_t samples)
{
return gen >= 8 && samples == 1;
}
void
anv_gen8_hiz_op_resolve(struct anv_cmd_buffer *cmd_buffer,
const struct anv_image *image,