diff options
author | Marek Olšák <[email protected]> | 2017-02-22 21:39:55 +0100 |
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committer | Marek Olšák <[email protected]> | 2017-02-25 00:03:09 +0100 |
commit | cc2f92b09f8ab0470106185585fdc1282da523e6 (patch) | |
tree | dd55fbaac3429125fce1d958b38d626b520c83b8 | |
parent | a40b76143d8b929412bed6fbed04810902844c40 (diff) |
st/mesa: set blend state for PBO readbacks
v2: restore the state
Cc: 13.0 17.0 <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
-rw-r--r-- | src/mesa/state_tracker/st_cb_readpixels.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c index 5ce2421bbfb..78ea0c7bf8c 100644 --- a/src/mesa/state_tracker/st_cb_readpixels.c +++ b/src/mesa/state_tracker/st_cb_readpixels.c @@ -131,6 +131,7 @@ try_pbo_readpixels(struct st_context *st, struct st_renderbuffer *strb, cso_save_state(cso, (CSO_BIT_FRAGMENT_SAMPLER_VIEWS | CSO_BIT_FRAGMENT_SAMPLERS | CSO_BIT_FRAGMENT_IMAGE0 | + CSO_BIT_BLEND | CSO_BIT_VERTEX_ELEMENTS | CSO_BIT_AUX_VERTEX_BUFFER_SLOT | CSO_BIT_FRAMEBUFFER | @@ -213,6 +214,11 @@ try_pbo_readpixels(struct st_context *st, struct st_renderbuffer *strb, fb.layers = 1; cso_set_framebuffer(cso, &fb); + /* Any blend state would do. Set this just to prevent drivers having + * blend == NULL. + */ + cso_set_blend(cso, &st->pbo.upload_blend); + cso_set_viewport_dims(cso, fb.width, fb.height, invert_y); if (invert_y) |