KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

anv/meta_clear: Don't trash state if no clears are needed

This commit is contained in:
Jason Ekstrand 2015-11-21 11:39:12 -08:00
parent 83c305f8ef
commit e14b2c76b4
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/vulkan/anv_meta_clear.c
View File

@ -619,6 +619,32 @@ anv_cmd_buffer_clear_attachments(struct anv_cmd_buffer *cmd_buffer,
{
struct anv_meta_saved_state saved_state;
/* Figure out whether or not we actually need to clear anything to avoid
* trashing state when clearing is a no-op.
*/
bool needs_clear = false;
for (uint32_t a = 0; a < pass->attachment_count; ++a) {
struct anv_render_pass_attachment *att = &pass->attachments[a];
if (anv_format_is_color(att->format)) {
if (att->load_op == VK_ATTACHMENT_LOAD_OP_CLEAR) {
needs_clear = true;
break;
}
} else {
if ((att->format->depth_format &&
att->load_op == VK_ATTACHMENT_LOAD_OP_CLEAR) ||
(att->format->has_stencil &&
att->stencil_load_op == VK_ATTACHMENT_LOAD_OP_CLEAR)) {
needs_clear = true;
break;
}
}
}
if (!needs_clear)
return;
meta_clear_begin(&saved_state, cmd_buffer);
for (uint32_t a = 0; a < pass->attachment_count; ++a) {