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intel/blorp: Add a blorp_hiz_clear_depth_stencil helper 

This is similar to blorp_gen8_hiz_clear_attachments except that it takes
actual images instead of trusting in the already set depth state.

Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
This commit is contained in:
Jason Ekstrand 2017-11-21 14:00:44 -08:00
parent 1900dd76d0
commit 7991838973
2 changed files with 64 additions and 0 deletions
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11
src/intel/blorp/blorp.h
View File

@ -170,6 +170,17 @@ 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);
void
blorp_hiz_clear_depth_stencil(struct blorp_batch *batch,
const struct blorp_surf *depth,
const struct blorp_surf *stencil,
uint32_t level,
uint32_t start_layer, uint32_t num_layers,
uint32_t x0, uint32_t y0,
uint32_t x1, uint32_t y1,
bool clear_depth, float depth_value,
bool clear_stencil, uint8_t stencil_value);
void
blorp_gen8_hiz_clear_attachments(struct blorp_batch *batch,

53
src/intel/blorp/blorp_clear.c
View File

@ -612,6 +612,59 @@ blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
return true;
}
void
blorp_hiz_clear_depth_stencil(struct blorp_batch *batch,
const struct blorp_surf *depth,
const struct blorp_surf *stencil,
uint32_t level,
uint32_t start_layer, uint32_t num_layers,
uint32_t x0, uint32_t y0,
uint32_t x1, uint32_t y1,
bool clear_depth, float depth_value,
bool clear_stencil, uint8_t stencil_value)
{
struct blorp_params params;
blorp_params_init(&params);
/* This requires WM_HZ_OP which only exists on gen8+ */
assert(ISL_DEV_GEN(batch->blorp->isl_dev) >= 8);
params.hiz_op = ISL_AUX_OP_FAST_CLEAR;
params.num_layers = 1;
params.x0 = x0;
params.y0 = y0;
params.x1 = x1;
params.y1 = y1;
for (uint32_t l = 0; l < num_layers; l++) {
const uint32_t layer = start_layer + l;
if (clear_stencil) {
brw_blorp_surface_info_init(batch->blorp, &params.stencil, stencil,
level, layer,
ISL_FORMAT_UNSUPPORTED, true);
params.stencil_mask = 0xff;
params.stencil_ref = stencil_value;
params.num_samples = params.stencil.surf.samples;
}
if (clear_depth) {
/* If we're clearing depth, we must have HiZ */
assert(depth && depth->aux_usage == ISL_AUX_USAGE_HIZ);
brw_blorp_surface_info_init(batch->blorp, &params.depth, depth,
level, layer,
ISL_FORMAT_UNSUPPORTED, true);
params.depth.clear_color.f32[0] = depth_value;
params.depth_format =
isl_format_get_depth_format(depth->surf->format, false);
params.num_samples = params.depth.surf.samples;
}
batch->blorp->exec(batch, &params);
}
}
/* Given a depth stencil attachment, this function performs a fast depth clear
* on a depth portion and a regular clear on the stencil portion. When
* performing a fast depth clear on the depth portion, the HiZ buffer is simply