diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_ioctl.c | 26 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_lock.h | 11 |
2 files changed, 23 insertions, 14 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_ioctl.c b/src/mesa/drivers/dri/radeon/radeon_ioctl.c index 3cb7dca2150..999176e0e9c 100644 --- a/src/mesa/drivers/dri/radeon/radeon_ioctl.c +++ b/src/mesa/drivers/dri/radeon/radeon_ioctl.c @@ -544,6 +544,19 @@ static int radeonFlushCmdBufLocked( radeonContextPtr rmesa, rmesa->store.statenr = 0; rmesa->store.cmd_used = 0; rmesa->dma.nr_released_bufs = 0; + /* Set lost_context so that the first state emit on the new buffer is a full + * one. This is because the context might get lost while preparing the next + * buffer, and when we lock and find out, we don't have the information to + * recreate the state. This function should always be called before the new + * buffer is begun, so it's sufficient to just set lost_context here. + * + * The alternative to this would be to copy out the state on unlock + * (approximately) and if we did lose the context, dispatch a cmdbuf to reset + * the state to that old copy before continuing with the accumulated command + * buffer. + */ + rmesa->lost_context = 1; + return ret; } @@ -977,9 +990,6 @@ static void radeonClear( GLcontext *ctx, GLbitfield mask, GLboolean all, __FUNCTION__, all, cx, cy, cw, ch ); } - /* Need to cope with lostcontext here as kernel relies on - * some residual state: - */ RADEON_FIREVERTICES( rmesa ); if ( mask & DD_FRONT_LEFT_BIT ) { @@ -1018,6 +1028,13 @@ static void radeonClear( GLcontext *ctx, GLbitfield mask, GLboolean all, cx += dPriv->x; cy = dPriv->y + dPriv->h - cy - ch; + /* We have to emit state along with the clear, since the kernel relies on + * some of it. The EmitState that was above RADEON_FIREVERTICES was an + * attempt to do that, except that another context may come in and cause us + * to lose our context while we're unlocked. + */ + radeonEmitState( rmesa ); + LOCK_HARDWARE( rmesa ); /* Throttle the number of clear ioctls we do. @@ -1059,6 +1076,9 @@ static void radeonClear( GLcontext *ctx, GLbitfield mask, GLboolean all, } } + /* Send current state to the hardware */ + radeonFlushCmdBufLocked( rmesa, __FUNCTION__ ); + for ( i = 0 ; i < dPriv->numClipRects ; ) { GLint nr = MIN2( i + RADEON_NR_SAREA_CLIPRECTS, dPriv->numClipRects ); drm_clip_rect_t *box = dPriv->pClipRects; diff --git a/src/mesa/drivers/dri/radeon/radeon_lock.h b/src/mesa/drivers/dri/radeon/radeon_lock.h index e18a642088a..c2e0c3706b8 100644 --- a/src/mesa/drivers/dri/radeon/radeon_lock.h +++ b/src/mesa/drivers/dri/radeon/radeon_lock.h @@ -99,23 +99,12 @@ extern int prevLockLine; DEBUG_LOCK(); \ } while (0) -/* Unlock the hardware. We must assume that state has been lost when we unlock, - * because when we next grab the lock (to emit an accumulated cmdbuf), we don't - * have the information to recreate the context state as of the last unlock in - * in the case that we did lose the context state. - * - * The alternative to this would be to copy out the state on unlock - * (approximately) and if we did lose the context, dispatch a cmdbuf to reset - * the state to that old copy before continuing with the accumulated command - * buffer. - */ #define UNLOCK_HARDWARE( rmesa ) \ do { \ DRM_UNLOCK( rmesa->dri.fd, \ rmesa->dri.hwLock, \ rmesa->dri.hwContext ); \ DEBUG_RESET(); \ - rmesa->lost_context = GL_TRUE; \ } while (0) #endif |