Stefan Dösinger : wined3d: Retrieve the height properly when setting the viewport.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fcb49934d0f4a521f5a8c2df2a19433c6fb3a47f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=fcb49934d0f4a521f5a8c2df2a...

Author: Stefan Dösinger <stefan(a)codeweavers.com>
Date:   Fri Nov 30 21:01:29 2007 +0100

wined3d: Retrieve the height properly when setting the viewport.

---

 dlls/wined3d/state.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/state.c b/dlls/wined3d/state.c
index cd801d7..9ff392c 100644
--- a/dlls/wined3d/state.c
+++ b/dlls/wined3d/state.c
@@ -3525,6 +3525,9 @@ static void vertexdeclaration(DWORD state, IWineD3DStateBlockImpl *stateblock, W
 }
 
 static void viewport(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
+    UINT width, height;
+    IWineD3DSurfaceImpl *target;
+
     glDepthRange(stateblock->viewport.MinZ, stateblock->viewport.MaxZ);
     checkGLcall("glDepthRange");
     /* Note: GL requires lower left, DirectX supplies upper left. This is reversed when using offscreen rendering
@@ -3534,8 +3537,11 @@ static void viewport(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DCon
                    stateblock->viewport.Y,
                    stateblock->viewport.Width, stateblock->viewport.Height);
     } else {
+        target = (IWineD3DSurfaceImpl *) stateblock->wineD3DDevice->render_targets[0];
+        target->get_drawable_size(target, &width, &height);
+
         glViewport(stateblock->viewport.X,
-                   (((IWineD3DSurfaceImpl *)stateblock->wineD3DDevice->render_targets[0])->currentDesc.Height - (stateblock->viewport.Y + stateblock->viewport.Height)),
+                   (height - (stateblock->viewport.Y + stateblock->viewport.Height)),
                    stateblock->viewport.Width, stateblock->viewport.Height);
     }