diff options
| author | Michel Dänzer <michel@tungstengraphics.com> | 2007-04-30 18:28:24 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@tungstengraphics.com> | 2007-04-30 18:28:24 +0200 |
| commit | 65faf023679988f93da82b4c7ebdc689f2094459 (patch) | |
| tree | 6276e7cf3b24878aea695048b48a55a96c538e90 /src/mesa/drivers/dri/r300/radeon_lock.c | |
| parent | c409dbcae3607e6f83f50a28d9bbb51f5ad51be4 (diff) | |
r300: Don't crash in radeonUpdatePageFlipping when !radeon->glCtx->DrawBuffer.
This feels like a kludge, maybe there's a better solution.
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_lock.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_lock.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_lock.c b/src/mesa/drivers/dri/r300/radeon_lock.c index 84181e2e99..0d0d9ab7f0 100644 --- a/src/mesa/drivers/dri/r300/radeon_lock.c +++ b/src/mesa/drivers/dri/r300/radeon_lock.c @@ -60,7 +60,9 @@ void radeonUpdatePageFlipping(radeonContextPtr radeon) r300UpdateDrawBuffer(radeon->glCtx); } - use_back = (radeon->glCtx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT); + use_back = radeon->glCtx->DrawBuffer ? + (radeon->glCtx->DrawBuffer->_ColorDrawBufferMask[0] == + BUFFER_BIT_BACK_LEFT) : 1; use_back ^= (radeon->sarea->pfCurrentPage == 1); if (use_back) { |