diff options
| author | Marek Olšák <[email protected]> | 2019-04-26 22:51:33 -0400 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2019-05-01 21:15:33 -0400 |
| commit | 181dcf0792f021f9118b25505b71b461d8a83549 (patch) | |
| tree | 2e9c0b01c8a1063dbf984883c8f9a38ffc5f2d28 /src/mesa | |
| parent | 35294f2eca8b49193f1bcb8c62edbcc1537a9cc3 (diff) | |
st/mesa: don't flush the front buffer if it's a pbuffer
This is the best guess I can make here.
Reviewed-by: Emil Velikov <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/state_tracker/st_manager.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c index 5efbd1fa1d2..bee1f6b1366 100644 --- a/src/mesa/state_tracker/st_manager.c +++ b/src/mesa/state_tracker/st_manager.c @@ -1130,9 +1130,19 @@ st_manager_flush_frontbuffer(struct st_context *st) struct st_framebuffer *stfb = st_ws_framebuffer(st->ctx->DrawBuffer); struct st_renderbuffer *strb = NULL; - if (stfb) - strb = st_renderbuffer(stfb->Base.Attachment[BUFFER_FRONT_LEFT]. - Renderbuffer); + if (!stfb) + return; + + /* If the context uses a doublebuffered visual, but the buffer is + * single-buffered, guess that it's a pbuffer, which doesn't need + * flushing. + */ + if (st->ctx->Visual.doubleBufferMode && + !stfb->Base.Visual.doubleBufferMode) + return; + + strb = st_renderbuffer(stfb->Base.Attachment[BUFFER_FRONT_LEFT]. + Renderbuffer); /* Do we have a front color buffer and has it been drawn to since last * frontbuffer flush? |