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anv: Use gen8 BLORP HiZ clearing functions

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Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Nanley Chery
2017-01-05 16:46:37 -08:00
parent f357af0c90
commit 3b7106c181
2 changed files with 50 additions and 5 deletions
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54
src/intel/vulkan/anv_blorp.c
View File

@@ -1163,6 +1163,8 @@ void
anv_cmd_buffer_clear_subpass(struct anv_cmd_buffer *cmd_buffer)
{
const struct anv_cmd_state *cmd_state = &cmd_buffer->state;
const VkRect2D render_area = cmd_buffer->state.render_area;
if (!subpass_needs_clear(cmd_buffer))
return;
@@ -1197,8 +1199,6 @@ anv_cmd_buffer_clear_subpass(struct anv_cmd_buffer *cmd_buffer)
att_state->aux_usage, &surf);
surf.clear_color = vk_to_isl_color(att_state->clear_value.color);
const VkRect2D render_area = cmd_buffer->state.render_area;
if (att_state->fast_clear) {
blorp_fast_clear(&batch, &surf, iview->isl.format,
iview->isl.base_level,
@@ -1238,8 +1238,54 @@ anv_cmd_buffer_clear_subpass(struct anv_cmd_buffer *cmd_buffer)
.clearValue = cmd_state->attachments[ds].clear_value,
};
clear_depth_stencil_attachment(cmd_buffer, &batch,
&clear_att, 1, &clear_rect);
const uint8_t gen = cmd_buffer->device->info.gen;
bool clear_with_hiz = gen >= 8 && cmd_state->attachments[ds].aux_usage ==
ISL_AUX_USAGE_HIZ;
const struct anv_image_view *iview = fb->attachments[ds];
if (clear_with_hiz) {
const bool clear_depth = clear_att.aspectMask &
VK_IMAGE_ASPECT_DEPTH_BIT;
const bool clear_stencil = clear_att.aspectMask &
VK_IMAGE_ASPECT_STENCIL_BIT;
/* Check against restrictions for depth buffer clearing. A great GPU
* performance benefit isn't expected when using the HZ sequence for
* stencil-only clears. Therefore, we don't emit a HZ op sequence for
* a stencil clear in addition to using the BLORP-fallback for depth.
*/
if (clear_depth) {
if (!blorp_can_hiz_clear_depth(gen, iview->isl.format,
iview->image->samples,
render_area.offset.x,
render_area.offset.y,
render_area.offset.x +
render_area.extent.width,
render_area.offset.y +
render_area.extent.height)) {
clear_with_hiz = false;
}
}
if (clear_with_hiz) {
blorp_gen8_hiz_clear_attachments(&batch, iview->image->samples,
render_area.offset.x,
render_area.offset.y,
render_area.offset.x +
render_area.extent.width,
render_area.offset.y +
render_area.extent.height,
clear_depth, clear_stencil,
clear_att.clearValue.
depthStencil.stencil);
}
}
if (!clear_with_hiz) {
clear_depth_stencil_attachment(cmd_buffer, &batch,
&clear_att, 1, &clear_rect);
}
cmd_state->attachments[ds].pending_clear_aspects = 0;
}

1
src/intel/vulkan/genX_cmd_buffer.c
View File

@@ -2250,7 +2250,6 @@ genX(cmd_buffer_set_subpass)(struct anv_cmd_buffer *cmd_buffer,
cmd_buffer_emit_depth_stencil(cmd_buffer);
genX(cmd_buffer_emit_hz_op)(cmd_buffer, BLORP_HIZ_OP_HIZ_RESOLVE);
genX(cmd_buffer_emit_hz_op)(cmd_buffer, BLORP_HIZ_OP_DEPTH_CLEAR);
anv_cmd_buffer_clear_subpass(cmd_buffer);
}