anv/image: Handle compressed format qpitch and padding

Reviewed-by: Chad Versace <chad.versace@intel.com>
This commit is contained in:
Nanley Chery
2015-10-05 17:27:32 -07:00
parent 300f7c2be3
commit 381f602c6b

View File

@@ -185,7 +185,8 @@ anv_image_make_surface(const struct anv_image_create_info *create_info,
* Views >> Common Surface Formats >> Surface Layout >> 2D Surfaces >>
* Surface Arrays >> For All Surface Other Than Separate Stencil Buffer:
*/
qpitch = h0 + h1 + 11 * j;
assert(format->bh == 1 || format->bh == 4);
qpitch = (h0 + h1 + 11 * j) / format->bh;
mt_width = MAX(w0, w1 + w2);
mt_height = array_size * qpitch;
}
@@ -230,8 +231,12 @@ anv_image_make_surface(const struct anv_image_create_info *create_info,
if (create_info->stride > 0)
stride = create_info->stride;
const uint32_t size = stride * align_u32(mt_height / format->bh,
tile_info->height);
/* The padding requirement is found in the Broadwell PRM >> Volume 5: Memory
* Views >> Common Surface Formats >> Surface Padding Requirements >>
* Sampling Engine Surfaces >> Buffer Padding Requirements:
*/
const uint32_t mem_rows = align_u32(mt_height / format->bh, 2 * format->bh);
const uint32_t size = stride * align_u32(mem_rows, tile_info->height);
const uint32_t offset = align_u32(*inout_image_size,
tile_info->surface_alignment);