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radv: Optimize rebinding the same descriptor set.

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This makes it cheaper to just change the dynamic offsets with
the same descriptor sets.

Suggested-by: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Bas Nieuwenhuizen 2018-09-16 02:17:32 +02:00
parent 14976817f4
commit 02a43edf18
1 changed files with 7 additions and 1 deletions
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8
src/amd/vulkan/radv_cmd_buffer.c
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@ -2464,7 +2464,13 @@ void radv_CmdBindDescriptorSets(
for (unsigned i = 0; i < descriptorSetCount; ++i) {
unsigned idx = i + firstSet;
RADV_FROM_HANDLE(radv_descriptor_set, set, pDescriptorSets[i]);
radv_bind_descriptor_set(cmd_buffer, pipelineBindPoint, set, idx);
/* If the set is already bound we only need to update the
* (potentially changed) dynamic offsets. */
if (descriptors_state->sets[idx] != set ||
!(descriptors_state->valid & (1u << idx))) {
radv_bind_descriptor_set(cmd_buffer, pipelineBindPoint, set, idx);
}
for(unsigned j = 0; j < set->layout->dynamic_offset_count; ++j, ++dyn_idx) {
unsigned idx = j + layout->set[i + firstSet].dynamic_offset_start;