From 51cdeeacd4b4b8d48bcf938b5763ad1a5036812f Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverbeet@codeweavers.com>
Date: Fri, 10 Jan 2014 10:43:04 +0100
Subject: [PATCH] wined3d: Explicitly request alpha testing for blitting the
 cursor and logo textures to screen.

---
 dlls/wined3d/surface.c   | 9 +++++----
 dlls/wined3d/swapchain.c | 4 ++--
 include/wine/wined3d.h   | 1 +
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 35e3783bfbc..832caa5b448 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -4321,7 +4321,7 @@ void surface_translate_drawable_coords(const struct wined3d_surface *surface, HW
 }
 
 static void surface_blt_to_drawable(const struct wined3d_device *device,
-        enum wined3d_texture_filter_type filter, BOOL color_key,
+        enum wined3d_texture_filter_type filter, BOOL alpha_test,
         struct wined3d_surface *src_surface, const RECT *src_rect_in,
         struct wined3d_surface *dst_surface, const RECT *dst_rect_in)
 {
@@ -4348,7 +4348,7 @@ static void surface_blt_to_drawable(const struct wined3d_device *device,
 
     device->blitter->set_shader(device->blit_priv, context, src_surface);
 
-    if (color_key)
+    if (alpha_test)
     {
         gl_info->gl_ops.gl.p_glEnable(GL_ALPHA_TEST);
         checkGLcall("glEnable(GL_ALPHA_TEST)");
@@ -4372,7 +4372,7 @@ static void surface_blt_to_drawable(const struct wined3d_device *device,
 
     draw_textured_quad(src_surface, context, &src_rect, &dst_rect, filter);
 
-    if (color_key)
+    if (alpha_test)
     {
         gl_info->gl_ops.gl.p_glDisable(GL_ALPHA_TEST);
         checkGLcall("glDisable(GL_ALPHA_TEST)");
@@ -4571,7 +4571,8 @@ static HRESULT surface_blt_special(struct wined3d_surface *dst_surface, const RE
             src_surface->container->color_key_flags &= ~WINEDDSD_CKSRCBLT;
         }
 
-        surface_blt_to_drawable(device, filter, flags & (WINEDDBLT_KEYSRC | WINEDDBLT_KEYSRCOVERRIDE),
+        surface_blt_to_drawable(device, filter,
+                flags & (WINEDDBLT_KEYSRC | WINEDDBLT_KEYSRCOVERRIDE | WINEDDBLT_ALPHATEST),
                 src_surface, src_rect, dst_surface, dst_rect);
 
         /* Restore the color key parameters */
diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index 40fabc6ebaa..0e7d79fea26 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -432,7 +432,7 @@ static void swapchain_gl_present(struct wined3d_swapchain *swapchain, const RECT
         RECT rect = {0, 0, src_surface->resource.width, src_surface->resource.height};
 
         /* Blit the logo into the upper left corner of the drawable. */
-        wined3d_surface_blt(back_buffer, &rect, src_surface, &rect, WINEDDBLT_KEYSRC,
+        wined3d_surface_blt(back_buffer, &rect, src_surface, &rect, WINEDDBLT_ALPHATEST,
                 NULL, WINED3D_TEXF_POINT);
     }
 
@@ -453,7 +453,7 @@ static void swapchain_gl_present(struct wined3d_swapchain *swapchain, const RECT
 
         if (swapchain->desc.windowed)
             MapWindowPoints(NULL, swapchain->win_handle, (POINT *)&destRect, 2);
-        wined3d_surface_blt(back_buffer, &destRect, cursor, NULL, WINEDDBLT_KEYSRC,
+        wined3d_surface_blt(back_buffer, &destRect, cursor, NULL, WINEDDBLT_ALPHATEST,
                 NULL, WINED3D_TEXF_POINT);
     }
 
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index 0f23fa2c5f0..7ddd4664bff 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -1268,6 +1268,7 @@ enum wined3d_display_rotation
 #define WINEDDBLT_WAIT                                          0x01000000
 #define WINEDDBLT_DEPTHFILL                                     0x02000000
 #define WINEDDBLT_DONOTWAIT                                     0x08000000
+#define WINEDDBLT_ALPHATEST                                     0x80000000
 
 /* DDSURFACEDESC.dwFlags */
 #define WINEDDSD_CAPS                                           0x00000001