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st/nine: Implement EvictManagedResources

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EvictManagedResources is used by apps to free
the gpu memory of MANAGED textures (which have
a cpu memory backing)

Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2015-05-08 16:54:53 +02:00
parent 4c126f0b58
commit c57f777b09
3 changed files with 26 additions and 4 deletions
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15
src/gallium/state_trackers/nine/basetexture9.c
View file

@ -587,6 +587,21 @@ NineBaseTexture9_PreLoad( struct NineBaseTexture9 *This )
NineBaseTexture9_UploadSelf(This);
}
void
NineBaseTexture9_UnLoad( struct NineBaseTexture9 *This )
{
if (This->base.pool != D3DPOOL_MANAGED ||
This->managed.lod_resident == -1)
return;
pipe_resource_reference(&This->base.resource, NULL);
This->managed.lod_resident = -1;
This->managed.dirty = TRUE;
/* If the texture is bound, we have to re-upload it */
BASETEX_REGISTER_UPDATE(This);
}
#ifdef DEBUG
void
NineBaseTexture9_Dump( struct NineBaseTexture9 *This )

3
src/gallium/state_trackers/nine/basetexture9.h
View file

@ -95,6 +95,9 @@ NineBaseTexture9_GenerateMipSubLevels( struct NineBaseTexture9 *This );
void WINAPI
NineBaseTexture9_PreLoad( struct NineBaseTexture9 *This );
void
NineBaseTexture9_UnLoad( struct NineBaseTexture9 *This );
/* For D3DPOOL_MANAGED only (after SetLOD change): */
HRESULT
NineBaseTexture9_CreatePipeResource( struct NineBaseTexture9 *This,

12
src/gallium/state_trackers/nine/device9.c
View file

@ -548,10 +548,14 @@ NineDevice9_GetAvailableTextureMem( struct NineDevice9 *This )
HRESULT WINAPI
NineDevice9_EvictManagedResources( struct NineDevice9 *This )
{
/* We don't really need to do anything here, but might want to free up
* the GPU virtual address space by killing pipe_resources.
*/
STUB(D3D_OK);
struct NineBaseTexture9 *tex;
DBG("This=%p\n", This);
LIST_FOR_EACH_ENTRY(tex, &This->managed_textures, list2) {
NineBaseTexture9_UnLoad(tex);
}
return D3D_OK;
}
HRESULT WINAPI