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radv: bail out when binding the same vertex buffers 

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2017-10-30 19:37:39 +01:00
parent 11fdc2cd34
commit 5010436e09
1 changed files with 16 additions and 2 deletions
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18
src/amd/vulkan/radv_cmd_buffer.c
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@ -2259,14 +2259,28 @@ void radv_CmdBindVertexBuffers(
{
RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
struct radv_vertex_binding *vb = cmd_buffer->state.vertex_bindings;
bool changed = false;
/* We have to defer setting up vertex buffer since we need the buffer
* stride from the pipeline. */
assert(firstBinding + bindingCount <= MAX_VBS);
for (uint32_t i = 0; i < bindingCount; i++) {
vb[firstBinding + i].buffer = radv_buffer_from_handle(pBuffers[i]);
vb[firstBinding + i].offset = pOffsets[i];
uint32_t idx = firstBinding + i;
if (!changed &&
(vb[idx].buffer != radv_buffer_from_handle(pBuffers[i]) ||
vb[idx].offset != pOffsets[i])) {
changed = true;
}
vb[idx].buffer = radv_buffer_from_handle(pBuffers[i]);
vb[idx].offset = pOffsets[i];
}
if (!changed) {
/* No state changes. */
return;
}
cmd_buffer->state.vb_dirty = true;