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radv: Skip 0-sized index buffers only when necessary 

This workaround is only needed on Navi10 and Navi14.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9429>
This commit is contained in:
Tony Wasserka 2021-03-04 12:10:58 +01:00
parent ec34a9a889
commit 2fb71504f0
1 changed files with 3 additions and 4 deletions
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7
src/amd/vulkan/radv_cmd_buffer.c
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@ -5426,10 +5426,9 @@ radv_emit_draw_packets(struct radv_cmd_buffer *cmd_buffer,
uint32_t remaining_indexes = cmd_buffer->state.max_index_count;
remaining_indexes = MAX2(remaining_indexes, info->first_index) - info->first_index;
/* Skip draw calls with 0-sized index buffers. They
* cause a hang on some chips, like Navi10-14.
*/
if (!remaining_indexes)
/* Skip draw calls with 0-sized index buffers if the GPU can't handle them */
if (!remaining_indexes &&
cmd_buffer->device->physical_device->rad_info.has_zero_index_buffer_bug)
return;
index_va = state->index_va;