static void texture2d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
const struct wined3d_box *dirty_region)
{
struct wined3d_surface *surface = surface_from_resource(sub_resource);
struct wined3d_context *context;
context = context_acquire(surface->resource.device, NULL);
wined3d_resource_prepare_map_memory(&surface->resource, context);
wined3d_resource_load_location(&surface->resource, context, surface->resource.map_binding);
context_release(context);
wined3d_resource_invalidate_location(&surface->resource, ~surface->resource.map_binding);
}
void *wined3d_resource_map_internal(struct wined3d_resource *resource, DWORD flags)
{
struct wined3d_device *device = resource->device;
struct wined3d_context *context = NULL;
void *mem;
if (device->d3d_initialized)
context = context_acquire(device, NULL);
if (!wined3d_resource_prepare_map_memory(resource, context))
{
WARN("Out of memory.\n");
context_release(context);
return NULL;
}
if (flags & WINED3D_MAP_DISCARD)
{
switch (resource->map_binding)
{
case WINED3D_LOCATION_BUFFER:
resource->map_buffer = wined3d_device_get_bo(device, resource->size,
GL_STREAM_DRAW_ARB, GL_PIXEL_UNPACK_BUFFER_ARB, context);
break;
case WINED3D_LOCATION_SYSMEM:
wined3d_resource_allocate_sysmem(resource);
break;
default:
if (resource->access_fence)
ERR("Location %s does not support DISCARD maps.\n",
wined3d_debug_location(resource->map_binding));
if (resource->pool != WINED3D_POOL_DEFAULT)
FIXME("Discard used on %s pool resource.\n", debug_d3dpool(resource->pool));
}
wined3d_resource_validate_location(resource, resource->map_binding);
}
else
{
wined3d_resource_load_location(resource, context, resource->map_binding);
}
mem = wined3d_resource_get_map_ptr(resource, context, flags);
if (context)
context_release(context);
return mem;
}
