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authorJosé Fonseca <[email protected]>2010-01-20 03:45:17 -0800
committerJosé Fonseca <[email protected]>2010-01-21 15:18:40 -0800
commit9782d7cdf39c141d816efc48333d6a70ed3f2ac6 (patch)
treed96c5ad3c8741bbc10daa462685efaba57545c94 /src/gallium/drivers
parentc4ceba114161c029ecd2812eb075654b4411b59c (diff)
svga: Don't swap buffers to system memory -- winsys' responsibility.
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/svga/svga_screen_buffer.c60
-rw-r--r--src/gallium/drivers/svga/svga_screen_buffer.h3
2 files changed, 0 insertions, 63 deletions
diff --git a/src/gallium/drivers/svga/svga_screen_buffer.c b/src/gallium/drivers/svga/svga_screen_buffer.c
index cc2d3cd9e97..fa1fd1367e2 100644
--- a/src/gallium/drivers/svga/svga_screen_buffer.c
+++ b/src/gallium/drivers/svga/svga_screen_buffer.c
@@ -121,60 +121,6 @@ svga_buffer_destroy_hw_storage(struct svga_screen *ss, struct svga_buffer *sbuf)
}
}
-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 +141,6 @@ 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;
diff --git a/src/gallium/drivers/svga/svga_screen_buffer.h b/src/gallium/drivers/svga/svga_screen_buffer.h
index c9bbe37f32c..448ac107c7f 100644
--- a/src/gallium/drivers/svga/svga_screen_buffer.h
+++ b/src/gallium/drivers/svga/svga_screen_buffer.h
@@ -183,9 +183,6 @@ svga_buffer_handle(struct svga_context *svga,
void
svga_context_flush_buffers(struct svga_context *svga);
-boolean
-svga_buffer_free_cached_hw_storage(struct svga_screen *ss);
-
struct svga_winsys_buffer *
svga_winsys_buffer_create(struct svga_screen *ss,
unsigned alignment,