Henri Verbeet : wined3d: Only load the surface for partial updates in wined3d_device_update_surface ().
Alexandre Julliard
julliard at winehq.org
Fri Jun 17 13:13:46 CDT 2011
Module: wine
Branch: master
Commit: 45a0e9596215589acf3b781ae6979fa41d4be7b0
URL: http://source.winehq.org/git/wine.git/?a=commit;h=45a0e9596215589acf3b781ae6979fa41d4be7b0
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date: Thu Jun 16 22:38:25 2011 +0200
wined3d: Only load the surface for partial updates in wined3d_device_update_surface().
---
dlls/wined3d/device.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 67c38aa..03f57ff 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -4833,8 +4833,13 @@ HRESULT CDECL wined3d_device_update_surface(struct wined3d_device *device,
checkGLcall("glActiveTextureARB");
LEAVE_GL();
- /* Make sure the surface is loaded and up to date */
- surface_load_location(dst_surface, SFLAG_INTEXTURE, NULL);
+ /* Only load the surface for partial updates. For newly allocated texture
+ * the texture wouldn't be the current location, and we'd upload zeroes
+ * just to overwrite them again. */
+ if (update_w == dst_w && update_h == dst_h)
+ surface_prepare_texture(dst_surface, gl_info, FALSE);
+ else
+ surface_load_location(dst_surface, SFLAG_INTEXTURE, NULL);
surface_bind(dst_surface, gl_info, FALSE);
data.buffer_object = 0;
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