Henri Verbeet : wined3d: Don' t bother setting a depth render buffer for WINED3DFMT_NULL render targets.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0ce17ea27ec2d89750d352bc83d89859a9846d58
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=0ce17ea27ec2d89750d352bc83...

Author: Henri Verbeet 
Date:   Mon Apr  4 17:46:01 2011 +0200

wined3d: Don't bother setting a depth render buffer for WINED3DFMT_NULL render targets.

---

dlls/wined3d/context.c         |    5 +----
 dlls/wined3d/surface.c         |   14 +++++++++++++-
 dlls/wined3d/wined3d_private.h |    3 +--
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index 7d029db..8ffb30c 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -455,10 +455,7 @@ static void context_apply_fbo_entry(struct wined3d_context *context, GLenum targ

/* Apply depth targets */
         if (entry->depth_stencil)
-        {
-            surface_set_compatible_renderbuffer(entry->depth_stencil,
-                    entry->render_targets[0]->pow2Width, entry->render_targets[0]->pow2Height);
-        }
+            surface_set_compatible_renderbuffer(entry->depth_stencil, entry->render_targets[0]);
         context_attach_depth_stencil_fbo(context, target, entry->depth_stencil, TRUE);

entry->attached = TRUE;
diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 5d4dfa7..59f5aa7 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -1104,12 +1104,24 @@ static void surface_allocate_surface(IWineD3DSurfaceImpl *This, const struct win
  * render target dimensions. With FBOs, the dimensions have to be an exact match. */
 /* TODO: We should synchronize the renderbuffer's content with the texture's content. */
 /* GL locking is done by the caller */
-void surface_set_compatible_renderbuffer(IWineD3DSurfaceImpl *surface, unsigned int width, unsigned int height)
+void surface_set_compatible_renderbuffer(IWineD3DSurfaceImpl *surface, IWineD3DSurfaceImpl *rt)
 {
     const struct wined3d_gl_info *gl_info = &surface->resource.device->adapter->gl_info;
     renderbuffer_entry_t *entry;
     GLuint renderbuffer = 0;
     unsigned int src_width, src_height;
+    unsigned int width, height;
+
+    if (rt->resource.format->id != WINED3DFMT_NULL)
+    {
+        width = rt->pow2Width;
+        height = rt->pow2Height;
+    }
+    else
+    {
+        width = surface->pow2Width;
+        height = surface->pow2Height;
+    }

src_width = surface->pow2Width;
     src_height = surface->pow2Height;
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index c985378..117909a 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -2121,8 +2121,7 @@ void surface_modify_ds_location(IWineD3DSurfaceImpl *surface, DWORD location, UI
 void surface_modify_location(IWineD3DSurfaceImpl *surface, DWORD flag, BOOL persistent) DECLSPEC_HIDDEN;
 void surface_prepare_texture(IWineD3DSurfaceImpl *surface,
         const struct wined3d_gl_info *gl_info, BOOL srgb) DECLSPEC_HIDDEN;
-void surface_set_compatible_renderbuffer(IWineD3DSurfaceImpl *surface,
-        unsigned int width, unsigned int height) DECLSPEC_HIDDEN;
+void surface_set_compatible_renderbuffer(IWineD3DSurfaceImpl *surface, IWineD3DSurfaceImpl *rt) DECLSPEC_HIDDEN;
 void surface_set_container(IWineD3DSurfaceImpl *surface,
         enum wined3d_container_type type, void *container) DECLSPEC_HIDDEN;
 void surface_set_texture_name(IWineD3DSurfaceImpl *surface, GLuint name, BOOL srgb_name) DECLSPEC_HIDDEN;