diff options
author | Dave Airlie <airlied@redhat.com> | 2009-06-26 15:05:02 +1000 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2009-06-26 15:09:12 +1000 |
commit | 0952645fe04a27968565ea4d913500c23b1b11e3 (patch) | |
tree | 6e84f9610987d0ec0ddb2bd7bb8965f64e899e61 /src/mesa/drivers/dri/radeon/radeon_dma.c | |
parent | db545796289abe4b771b3ee23a4559674bebe37a (diff) |
r200: make use of DMA buffers for Elts a lot better.
This allows us to return the unused portion of the dma buffer
to the allocator instead of wasting nearly 16k a pop.
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_dma.c')
-rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_dma.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_dma.c b/src/mesa/drivers/dri/radeon/radeon_dma.c index 48b0d63818..0b91434b2b 100644 --- a/src/mesa/drivers/dri/radeon/radeon_dma.c +++ b/src/mesa/drivers/dri/radeon/radeon_dma.c @@ -167,7 +167,7 @@ void radeonRefillCurrentDmaRegion(radeonContextPtr rmesa, int size) size = MAX2(size, MAX_DMA_BUF_SZ); if (RADEON_DEBUG & (DEBUG_IOCTL | DEBUG_DMA)) - fprintf(stderr, "%s\n", __FUNCTION__); + fprintf(stderr, "%s %d\n", __FUNCTION__, rmesa->dma.nr_released_bufs); if (rmesa->dma.flush) { rmesa->dma.flush(rmesa->glCtx); @@ -178,11 +178,7 @@ void radeonRefillCurrentDmaRegion(radeonContextPtr rmesa, int size) rmesa->dma.nr_released_bufs = 0; } - if (rmesa->dma.current) { - radeon_bo_unmap(rmesa->dma.current); - radeon_bo_unref(rmesa->dma.current); - rmesa->dma.current = 0; - } + radeonReleaseDmaRegion(rmesa); again_alloc: rmesa->dma.current = radeon_bo_open(rmesa->radeonScreen->bom, @@ -244,6 +240,17 @@ void radeonAllocDmaRegion(radeonContextPtr rmesa, assert(rmesa->dma.current_used <= rmesa->dma.current->size); } +void radeonReturnDmaRegion(radeonContextPtr rmesa, int return_bytes) +{ + if (!rmesa->dma.current) + return; + + if (RADEON_DEBUG & DEBUG_IOCTL) + fprintf(stderr, "%s %d\n", __FUNCTION__, return_bytes); + rmesa->dma.current_used -= return_bytes; + rmesa->dma.current_vertexptr = rmesa->dma.current_used; +} + void radeonReleaseDmaRegion(radeonContextPtr rmesa) { if (RADEON_DEBUG & DEBUG_IOCTL) |