wined3d: Check for float texture formats correctly.

dlls/wined3d/directx.c

@@ -1662,6 +1662,21 @@ static HRESULT WINAPI IWineD3DImpl_CheckDeviceFormat(IWineD3D *iface, UINT Adapt
             case WINED3DFMT_P8:
                 TRACE_(d3d_caps)("[OK]\n");
                 return WINED3D_OK;
+            case WINED3DFMT_R16F:
+            case WINED3DFMT_A16B16G16R16F:
+                if (!GL_SUPPORT(ARB_HALF_FLOAT_PIXEL)) {
+                    TRACE_(d3d_caps)("[FAILED]\n");
+                    return WINED3DERR_NOTAVAILABLE;
+                }
+                /* Fall through, support not fully determined yet. */
+            case WINED3DFMT_R32F:
+            case WINED3DFMT_A32B32G32R32F:
+                if (!GL_SUPPORT(ARB_TEXTURE_FLOAT)) {
+                    TRACE_(d3d_caps)("[FAILED]\n");
+                    return WINED3DERR_NOTAVAILABLE;
+                }
+                TRACE_(d3d_caps)("[OK]\n");
+                return WINED3D_OK;
             default:
                 TRACE_(d3d_caps)("[FAILED]\n");
                 return WINED3DERR_NOTAVAILABLE;
@@ -1682,23 +1697,6 @@ static HRESULT WINAPI IWineD3DImpl_CheckDeviceFormat(IWineD3D *iface, UINT Adapt
         }
     }
 
-    if (GL_SUPPORT(ARB_TEXTURE_FLOAT)) {
-
-        BOOL half_pixel_support = GL_SUPPORT(ARB_HALF_FLOAT_PIXEL);
-
-        switch (CheckFormat) {
-            case WINED3DFMT_R16F:
-            case WINED3DFMT_A16B16G16R16F:
-                if (!half_pixel_support) break;
-            case WINED3DFMT_R32F:
-            case WINED3DFMT_A32B32G32R32F:
-                TRACE_(d3d_caps)("[OK]\n");
-                return WINED3D_OK;
-            default:
-                break; /* Avoid compiler warnings */
-        }
-    }
-
     /* This format is nothing special and it is supported perfectly.
      * However, ati and nvidia driver on windows do not mark this format as
      * supported (tested with the dxCapsViewer) and pretending to