diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-31 05:36:33 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-31 05:36:33 +0000 |
commit | bee9964b29b2428ee75e2d1efc0e1d2c2518a417 (patch) | |
tree | fd733f886743b31f2ac2727e57f05d1a0918a977 /src/gallium/drivers/svga/svga_screen_buffer.c | |
parent | 36a0819ff4ede1af91dcf909106cf20659856384 (diff) | |
parent | 12eb32e34244db9923cacaaed9ba951b7ac274a4 (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
Makefile
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/lp_flush.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_texture.c
src/gallium/drivers/llvmpipe/lp_tile_cache.c
src/mesa/state_tracker/st_cb_condrender.c
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen_buffer.c')
-rw-r--r-- | src/gallium/drivers/svga/svga_screen_buffer.c | 104 |
1 files changed, 14 insertions, 90 deletions
diff --git a/src/gallium/drivers/svga/svga_screen_buffer.c b/src/gallium/drivers/svga/svga_screen_buffer.c index 58a1aba464..430a6970fd 100644 --- a/src/gallium/drivers/svga/svga_screen_buffer.c +++ b/src/gallium/drivers/svga/svga_screen_buffer.c @@ -113,68 +113,9 @@ svga_buffer_destroy_hw_storage(struct svga_screen *ss, struct svga_buffer *sbuf) if(sbuf->hw.buf) { sws->buffer_destroy(sws, sbuf->hw.buf); sbuf->hw.buf = NULL; - assert(sbuf->head.prev && sbuf->head.next); - LIST_DEL(&sbuf->head); -#ifdef DEBUG - sbuf->head.next = sbuf->head.prev = NULL; -#endif } } -static INLINE enum pipe_error -svga_buffer_backup(struct svga_screen *ss, struct svga_buffer *sbuf) -{ - if (sbuf->hw.buf && sbuf->hw.num_ranges) { - void *src; - - if (!sbuf->swbuf) - sbuf->swbuf = align_malloc(sbuf->base.size, sbuf->base.alignment); - if (!sbuf->swbuf) - return PIPE_ERROR_OUT_OF_MEMORY; - - src = ss->sws->buffer_map(ss->sws, sbuf->hw.buf, - PIPE_BUFFER_USAGE_CPU_READ); - if (!src) - return PIPE_ERROR; - - memcpy(sbuf->swbuf, src, sbuf->base.size); - ss->sws->buffer_unmap(ss->sws, sbuf->hw.buf); - } - - return PIPE_OK; -} - -/** - * Try to make GMR space available by freeing the hardware storage of - * unmapped - */ -boolean -svga_buffer_free_cached_hw_storage(struct svga_screen *ss) -{ - struct list_head *curr; - struct svga_buffer *sbuf; - enum pipe_error ret = PIPE_OK; - - curr = ss->cached_buffers.prev; - - /* free the least recently used buffer's hw storage which is not mapped */ - do { - if(curr == &ss->cached_buffers) - return FALSE; - - sbuf = LIST_ENTRY(struct svga_buffer, curr, head); - - curr = curr->prev; - if (sbuf->map.count == 0) - ret = svga_buffer_backup(ss, sbuf); - - } while(sbuf->map.count != 0 || ret != PIPE_OK); - - svga_buffer_destroy_hw_storage(ss, sbuf); - - return TRUE; -} - struct svga_winsys_buffer * svga_winsys_buffer_create( struct svga_screen *ss, unsigned alignment, @@ -195,12 +136,6 @@ svga_winsys_buffer_create( struct svga_screen *ss, svga_screen_flush(ss, NULL); buf = sws->buffer_create(sws, alignment, usage, size); - SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "evicting buffers to find %d bytes GMR\n", - size); - - /* Try evicing all buffer storage */ - while(!buf && svga_buffer_free_cached_hw_storage(ss)) - buf = sws->buffer_create(sws, alignment, usage, size); } return buf; @@ -226,8 +161,6 @@ svga_buffer_create_hw_storage(struct svga_screen *ss, return PIPE_ERROR_OUT_OF_MEMORY; assert(!sbuf->needs_flush); - assert(!sbuf->head.prev && !sbuf->head.next); - LIST_ADD(&sbuf->head, &ss->cached_buffers); } return PIPE_OK; @@ -311,7 +244,6 @@ static void svga_buffer_upload_flush(struct svga_context *svga, struct svga_buffer *sbuf) { - struct svga_screen *ss = svga_screen(svga->pipe.screen); SVGA3dCopyBox *boxes; unsigned i; @@ -348,13 +280,16 @@ svga_buffer_upload_flush(struct svga_context *svga, assert(sbuf->head.prev && sbuf->head.next); LIST_DEL(&sbuf->head); +#ifdef DEBUG + sbuf->head.next = sbuf->head.prev = NULL; +#endif sbuf->needs_flush = FALSE; - /* XXX: do we care about cached_buffers any more ?*/ - LIST_ADD(&sbuf->head, &ss->cached_buffers); sbuf->hw.svga = NULL; sbuf->hw.boxes = NULL; + sbuf->host_written = TRUE; + /* Decrement reference count */ pipe_reference(&(sbuf->base.reference), NULL); sbuf = NULL; @@ -437,17 +372,17 @@ svga_buffer_map_range( struct pipe_screen *screen, } else { if(!sbuf->hw.buf) { - struct svga_winsys_surface *handle = sbuf->handle; - if(svga_buffer_create_hw_storage(ss, sbuf) != PIPE_OK) return NULL; /* Populate the hardware storage if the host surface pre-existed */ - if((usage & PIPE_BUFFER_USAGE_CPU_READ) && handle) { + if(sbuf->host_written) { SVGA3dSurfaceDMAFlags flags; enum pipe_error ret; struct pipe_fence_handle *fence = NULL; + assert(sbuf->handle); + SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "dma from sid %p (buffer), bytes %u - %u\n", sbuf->handle, 0, sbuf->base.size); @@ -478,17 +413,6 @@ svga_buffer_map_range( struct pipe_screen *screen, sws->fence_reference(sws, &fence, NULL); } } - else { - if((usage & PIPE_BUFFER_USAGE_CPU_READ) && !sbuf->needs_flush) { - /* We already had the hardware storage but we would have to issue - * a download if we hadn't, so move the buffer to the begginning - * of the LRU list. - */ - assert(sbuf->head.prev && sbuf->head.next); - LIST_DEL(&sbuf->head); - LIST_ADD(&sbuf->head, &ss->cached_buffers); - } - } map = sws->buffer_map(sws, sbuf->hw.buf, usage); } @@ -572,10 +496,8 @@ svga_buffer_destroy( struct pipe_buffer *buf ) assert(!sbuf->needs_flush); - if(sbuf->handle) { - SVGA_DBG(DEBUG_DMA, "release sid %p sz %d\n", sbuf->handle, sbuf->base.size); - svga_screen_surface_destroy(ss, &sbuf->key, &sbuf->handle); - } + if(sbuf->handle) + svga_buffer_destroy_host_surface(ss, sbuf); if(sbuf->hw.buf) svga_buffer_destroy_hw_storage(ss, sbuf); @@ -595,6 +517,9 @@ svga_buffer_create(struct pipe_screen *screen, struct svga_screen *ss = svga_screen(screen); struct svga_buffer *sbuf; + assert(size); + assert(alignment); + sbuf = CALLOC_STRUCT(svga_buffer); if(!sbuf) goto error1; @@ -755,8 +680,7 @@ svga_buffer_handle(struct svga_context *svga, assert(sbuf->hw.svga == svga); sbuf->needs_flush = TRUE; - assert(sbuf->head.prev && sbuf->head.next); - LIST_DEL(&sbuf->head); + assert(!sbuf->head.prev && !sbuf->head.next); LIST_ADDTAIL(&sbuf->head, &svga->dirty_buffers); } |