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svga: add some comments in svga_screen_cache.c

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This commit is contained in:
Brian Paul 2012-08-02 09:40:40 -06:00
parent 4b5a5898b1
commit 81f2f3f65c
1 changed files with 14 additions and 1 deletions
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15
src/gallium/drivers/svga/svga_screen_cache.c
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@ -194,7 +194,7 @@ svga_screen_cache_shrink(struct svga_screen *svgascreen,
}
/*
/**
* Transfers a handle reference.
*/
static INLINE void
@ -331,6 +331,10 @@ svga_screen_cache_flush(struct svga_screen *svgascreen,
}
/**
* Free all the surfaces in the cache.
* Called when destroying the svga screen object.
*/
void
svga_screen_cache_cleanup(struct svga_screen *svgascreen)
{
@ -381,6 +385,11 @@ svga_screen_cache_init(struct svga_screen *svgascreen)
}
/**
* Allocate a new host-side surface. If the surface is marked as cachable,
* first try re-using a surface in the cache of freed surfaces. Otherwise,
* allocate a new surface.
*/
struct svga_winsys_surface *
svga_screen_surface_create(struct svga_screen *svgascreen,
struct svga_host_surface_cache_key *key)
@ -457,6 +466,10 @@ svga_screen_surface_create(struct svga_screen *svgascreen,
}
/**
* Release a surface. We don't actually free the surface- we put
* it into the cache of freed surfaces (if it's cachable).
*/
void
svga_screen_surface_destroy(struct svga_screen *svgascreen,
const struct svga_host_surface_cache_key *key,