intel: Refactor blorp_can_hiz_clear_depth()

Prepare this function to be used in iris and to handle new Gen12 behavior.

Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Nanley Chery
2019-10-07 15:48:33 -07:00
parent cc99d0adc0
commit 6451008e8b
3 changed files with 19 additions and 16 deletions

View File

@@ -188,10 +188,11 @@ blorp_clear_depth_stencil(struct blorp_batch *batch,
bool clear_depth, float depth_value,
uint8_t stencil_mask, uint8_t stencil_value);
bool
blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
uint32_t num_samples,
uint32_t x0, uint32_t y0,
uint32_t x1, uint32_t y1);
blorp_can_hiz_clear_depth(const struct gen_device_info *devinfo,
const struct isl_surf *surf,
enum isl_aux_usage aux_usage,
uint32_t level, uint32_t layer,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1);
void
blorp_hiz_clear_depth_stencil(struct blorp_batch *batch,
const struct blorp_surf *depth,

View File

@@ -754,14 +754,16 @@ blorp_clear_depth_stencil(struct blorp_batch *batch,
}
bool
blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
uint32_t num_samples,
blorp_can_hiz_clear_depth(const struct gen_device_info *devinfo,
const struct isl_surf *surf,
enum isl_aux_usage aux_usage,
uint32_t level, uint32_t layer,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1)
{
/* This function currently doesn't support any gen prior to gen8 */
assert(gen >= 8);
assert(devinfo->gen >= 8);
if (gen == 8 && format == ISL_FORMAT_R16_UNORM) {
if (devinfo->gen == 8 && surf->format == ISL_FORMAT_R16_UNORM) {
/* Apply the D16 alignment restrictions. On BDW, HiZ has an 8x4 sample
* block with the following property: as the number of samples increases,
* the number of pixels representable by this block decreases by a factor
@@ -780,7 +782,7 @@ blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
* Table: Pixel Dimensions in a HiZ Sample Block Pre-SKL
*/
const struct isl_extent2d sa_block_dim =
isl_get_interleaved_msaa_px_size_sa(num_samples);
isl_get_interleaved_msaa_px_size_sa(surf->samples);
const uint8_t align_px_w = 8 / sa_block_dim.w;
const uint8_t align_px_h = 4 / sa_block_dim.h;
@@ -801,7 +803,8 @@ blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
x1 % align_px_w || y1 % align_px_h)
return false;
}
return true;
return isl_aux_usage_has_hiz(aux_usage);
}
void

View File

@@ -419,12 +419,11 @@ depth_stencil_attachment_compute_aux_usage(struct anv_device *device,
anv_layout_to_aux_usage(&device->info, iview->image,
VK_IMAGE_ASPECT_DEPTH_BIT,
pass_att->first_subpass_layout);
if (first_subpass_aux_usage != ISL_AUX_USAGE_HIZ)
return;
if (!blorp_can_hiz_clear_depth(GEN_GEN,
iview->planes[0].isl.format,
iview->image->samples,
if (!blorp_can_hiz_clear_depth(&device->info,
&iview->image->planes[0].surface.isl,
first_subpass_aux_usage,
iview->planes[0].isl.base_level,
iview->planes[0].isl.base_array_layer,
render_area.offset.x,
render_area.offset.y,
render_area.offset.x +