AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nouveau: potentially delay buffer destruction

Browse Source 
Rather than spinning waiting for the GPU to finish with the buffer,
add a callback on the buffer's fence object instead.  Gives a sizable
performance increase in OA.
This commit is contained in:
Ben Skeggs
2008-03-21 17:40:01 +11:00
parent 5d2577e576
commit 735ecf5de8
1 changed files with 15 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/winsys/dri/nouveau/nouveau_bo.c
+15 -5
View File
@@ -206,6 +206,18 @@ nouveau_bo_ref(struct nouveau_device *dev, uint64_t handle,
return 0;
}
static void
nouveau_bo_del_cb(void *priv)
{
struct nouveau_bo_priv *nvbo = priv;
nouveau_fence_ref(NULL, &nvbo->fence);
nouveau_mem_free(nvbo->base.device, &nvbo->drm, &nvbo->map);
if (nvbo->sysmem && !nvbo->user)
free(nvbo->sysmem);
free(nvbo);
}
void
nouveau_bo_del(struct nouveau_bo **bo)
{
@@ -220,11 +232,9 @@ nouveau_bo_del(struct nouveau_bo **bo)
return;
if (nvbo->fence)
nouveau_fence_wait(&nvbo->fence);
nouveau_mem_free(nvbo->base.device, &nvbo->drm, &nvbo->map);
if (nvbo->sysmem && !nvbo->user)
free(nvbo->sysmem);
free(nvbo);
nouveau_fence_signal_cb(nvbo->fence, nouveau_bo_del_cb, nvbo);
else
nouveau_bo_del_cb(nvbo);
}
int