From: Samuel Pitoiset Date: Wed, 9 Jan 2019 09:06:08 +0000 (+0100) Subject: radv: skip draws with instance_count == 0 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b8c4f523b40e3d9dbe1f81f2c69b31618f7a9b62;p=mesa.git radv: skip draws with instance_count == 0 Loosely based on RadeonSI. Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c index 4382062c411..f41d6c0b3e7 100644 --- a/src/amd/vulkan/radv_cmd_buffer.c +++ b/src/amd/vulkan/radv_cmd_buffer.c @@ -3696,6 +3696,19 @@ radv_draw(struct radv_cmd_buffer *cmd_buffer, radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 4096); + if (likely(!info->indirect)) { + /* SI-CI treat instance_count==0 as instance_count==1. There is + * no workaround for indirect draws, but we can at least skip + * direct draws. + */ + if (unlikely(!info->instance_count)) + return; + + /* Handle count == 0. */ + if (unlikely(!info->count && !info->strmout_buffer)) + return; + } + /* Use optimal packet order based on whether we need to sync the * pipeline. */