H. Verbeet : wined3d: Flip the coordinate system rather than the coordinates itself for onscreen surfaces in stretch_rect_fbo .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d9b7369255b4964efb89cbe83cd39b9d2fef2f7f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=d9b7369255b4964efb89cbe83c...

Author: H. Verbeet <hverbeet(a)gmail.com>
Date:   Thu May  3 20:57:09 2007 +0200

wined3d: Flip the coordinate system rather than the coordinates itself for onscreen surfaces in stretch_rect_fbo.

---

 dlls/wined3d/device.c          |   10 ++++++----
 dlls/wined3d/wined3d_private.h |    4 ++--
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 5c2d700..2ad92da 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -5485,8 +5485,8 @@ void apply_fbo_state(IWineD3DDevice *iface) {
     check_fbo_status(iface);
 }
 
-void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, const WINED3DRECT *src_rect,
-        IWineD3DSurface *dst_surface, const WINED3DRECT *dst_rect, const WINED3DTEXTUREFILTERTYPE filter, BOOL flip) {
+void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, WINED3DRECT *src_rect,
+        IWineD3DSurface *dst_surface, WINED3DRECT *dst_rect, const WINED3DTEXTUREFILTERTYPE filter, BOOL flip) {
     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
     GLbitfield mask = GL_COLOR_BUFFER_BIT; /* TODO: Support blitting depth/stencil surfaces */
     IWineD3DSwapChain *src_swapchain, *dst_swapchain;
@@ -5525,7 +5525,8 @@ void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, const
         glReadBuffer(buffer);
         checkGLcall("glReadBuffer()");
 
-        flip = !flip;
+        src_rect->y1 = ((IWineD3DSurfaceImpl *)src_surface)->currentDesc.Height - src_rect->y1;
+        src_rect->y2 = ((IWineD3DSurfaceImpl *)src_surface)->currentDesc.Height - src_rect->y2;
     } else {
         TRACE("Source surface %p is offscreen\n", src_surface);
         bind_fbo(iface, GL_READ_FRAMEBUFFER_EXT, &This->src_fbo);
@@ -5546,7 +5547,8 @@ void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, const
         glDrawBuffer(buffer);
         checkGLcall("glDrawBuffer()");
 
-        flip = !flip;
+        dst_rect->y1 = ((IWineD3DSurfaceImpl *)dst_surface)->currentDesc.Height - dst_rect->y1;
+        dst_rect->y2 = ((IWineD3DSurfaceImpl *)dst_surface)->currentDesc.Height - dst_rect->y2;
     } else {
         TRACE("Destination surface %p is offscreen\n", dst_surface);
         bind_fbo(iface, GL_DRAW_FRAMEBUFFER_EXT, &This->dst_fbo);
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index d6e5e22..80f1751 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1998,7 +1998,7 @@ static inline BOOL use_ps(IWineD3DDeviceImpl *device) {
             && ((IWineD3DPixelShaderImpl *)device->stateBlock->pixelShader)->baseShader.function);
 }
 
-void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, const WINED3DRECT *src_rect,
-        IWineD3DSurface *dst_surface, const WINED3DRECT *dst_rect, WINED3DTEXTUREFILTERTYPE filter, BOOL flip);
+void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, WINED3DRECT *src_rect,
+        IWineD3DSurface *dst_surface, WINED3DRECT *dst_rect, WINED3DTEXTUREFILTERTYPE filter, BOOL flip);
 
 #endif