diff options
author | Michel Dänzer <michel@tungstengraphics.com> | 2007-04-30 18:28:24 +0200 |
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committer | Michel Dänzer <michel@tungstengraphics.com> | 2007-04-30 18:28:24 +0200 |
commit | 65faf023679988f93da82b4c7ebdc689f2094459 (patch) | |
tree | 6276e7cf3b24878aea695048b48a55a96c538e90 | |
parent | c409dbcae3607e6f83f50a28d9bbb51f5ad51be4 (diff) |
r300: Don't crash in radeonUpdatePageFlipping when !radeon->glCtx->DrawBuffer.
This feels like a kludge, maybe there's a better solution.
-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 84181e2e99e..0d0d9ab7f06 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) { |