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| author | Marek Olšák <marek.olsak@amd.com> | 2016-09-06 00:09:17 +0200 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2016-09-07 11:13:13 +0200 |
| commit | a8e7ea6abce1913ac64143f5a83f82c35b2975d6 (patch) | |
| tree | bfa6c3567f20e8c1d4b7838baf19252162381276 /src/gallium/drivers/radeonsi/si_state_draw.c | |
| parent | 53d74e055e3596a05b9a306ea867dac0d4591f95 (diff) | |
| download | external_mesa3d-a8e7ea6abce1913ac64143f5a83f82c35b2975d6.zip external_mesa3d-a8e7ea6abce1913ac64143f5a83f82c35b2975d6.tar.gz external_mesa3d-a8e7ea6abce1913ac64143f5a83f82c35b2975d6.tar.bz2 | |
radeonsi: skip draws with instance_count == 0
loosely ported from Vulkan
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state_draw.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state_draw.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index 0a91291..9469bb4 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -882,9 +882,19 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info) struct pipe_index_buffer ib = {}; unsigned mask, dirty_fb_counter, dirty_tex_counter, rast_prim; - if (!info->count && !info->indirect && - (info->indexed || !info->count_from_stream_output)) - return; + 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->indexed || !info->count_from_stream_output))) + return; + } if (!sctx->vs_shader.cso) { assert(0); |