diff options
| author | Kenneth Graunke <[email protected]> | 2019-02-15 14:22:52 -0800 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2019-02-21 10:26:12 -0800 |
| commit | 51ddc4008429e61f80d64e63a8abc47392faa6d0 (patch) | |
| tree | 6ca75543655f8d31d095b3a48edaf72fbbca8f0f /src/gallium/drivers/iris/iris_state.c | |
| parent | d6dd57d43cd019fb2ffd23f686307b1e6d02a0ef (diff) | |
iris: Always emit at least one BLEND_STATE
Diffstat (limited to 'src/gallium/drivers/iris/iris_state.c')
| -rw-r--r-- | src/gallium/drivers/iris/iris_state.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c index 95c05f77757..bd222db4843 100644 --- a/src/gallium/drivers/iris/iris_state.c +++ b/src/gallium/drivers/iris/iris_state.c @@ -4140,7 +4140,14 @@ iris_upload_dirty_render_state(struct iris_context *ice, struct pipe_framebuffer_state *cso_fb = &ice->state.framebuffer; struct iris_depth_stencil_alpha_state *cso_zsa = ice->state.cso_zsa; const int header_dwords = GENX(BLEND_STATE_length); - const int rt_dwords = cso_fb->nr_cbufs * GENX(BLEND_STATE_ENTRY_length); + + /* Always write at least one BLEND_STATE - the final RT message will + * reference BLEND_STATE[0] even if there aren't color writes. There + * may still be alpha testing, computed depth, and so on. + */ + const int rt_dwords = + MAX2(cso_fb->nr_cbufs, 1) * GENX(BLEND_STATE_ENTRY_length); + uint32_t blend_offset; uint32_t *blend_map = stream_state(batch, ice->state.dynamic_uploader, |