Alexandre Julliard : gdi32: Forward SwapBuffers to opengl32 which in turn calls GdiSwapBuffers.
Alexandre Julliard
julliard at winehq.org
Tue Jun 26 13:34:12 CDT 2012
Module: wine
Branch: master
Commit: 67e7eda96c16417526e9659be0eeecf2b6edd4c1
URL: http://source.winehq.org/git/wine.git/?a=commit;h=67e7eda96c16417526e9659be0eeecf2b6edd4c1
Author: Alexandre Julliard <julliard at winehq.org>
Date: Mon Jun 25 22:45:28 2012 +0200
gdi32: Forward SwapBuffers to opengl32 which in turn calls GdiSwapBuffers.
---
dlls/gdi32/gdi32.spec | 2 +-
dlls/gdi32/opengl.c | 15 +++++++++++++++
dlls/gdi32/painting.c | 12 +++---------
dlls/opengl32/wgl.c | 5 +++--
4 files changed, 22 insertions(+), 12 deletions(-)
diff --git a/dlls/gdi32/gdi32.spec b/dlls/gdi32/gdi32.spec
index 98fe5c6..2a7edc3 100644
--- a/dlls/gdi32/gdi32.spec
+++ b/dlls/gdi32/gdi32.spec
@@ -218,7 +218,7 @@
@ stub GdiSetServerAttr
# @ stub GdiStartDocEMF
# @ stub GdiStartPageEMF
-# @ stub GdiSwapBuffers
+@ stdcall GdiSwapBuffers(long)
@ stdcall GdiTransparentBlt(long long long long long long long long long long long)
# @ stub GdiValidateHandle
@ stub GdiWinWatchClose
diff --git a/dlls/gdi32/opengl.c b/dlls/gdi32/opengl.c
index 18b5fcb..d2ab2aa 100644
--- a/dlls/gdi32/opengl.c
+++ b/dlls/gdi32/opengl.c
@@ -43,6 +43,7 @@ static HMODULE opengl32;
static INT (WINAPI *wglChoosePixelFormat)(HDC,const PIXELFORMATDESCRIPTOR *);
static INT (WINAPI *wglDescribePixelFormat)(HDC,INT,UINT,PIXELFORMATDESCRIPTOR*);
static BOOL (WINAPI *wglSetPixelFormat)(HDC,INT,const PIXELFORMATDESCRIPTOR*);
+static BOOL (WINAPI *wglSwapBuffers)(HDC);
static HDC default_hdc = 0;
@@ -267,3 +268,17 @@ BOOL WINAPI SetPixelFormat( HDC hdc, INT fmt, const PIXELFORMATDESCRIPTOR *pfd )
}
return wglSetPixelFormat( hdc, fmt, pfd );
}
+
+/******************************************************************************
+ * SwapBuffers (GDI32.@)
+ */
+BOOL WINAPI SwapBuffers( HDC hdc )
+{
+ if (!wglSwapBuffers)
+ {
+ if (!opengl32) opengl32 = LoadLibraryW( opengl32W );
+ if (!(wglSwapBuffers = (void *)GetProcAddress( opengl32, "wglSwapBuffers" )))
+ return 0;
+ }
+ return wglSwapBuffers( hdc );
+}
diff --git a/dlls/gdi32/painting.c b/dlls/gdi32/painting.c
index 4be8cb3..571a96b 100644
--- a/dlls/gdi32/painting.c
+++ b/dlls/gdi32/painting.c
@@ -562,17 +562,11 @@ INT WINAPI GdiDescribePixelFormat( HDC hdc, INT iPixelFormat, UINT nBytes,
/******************************************************************************
- * SwapBuffers [GDI32.@]
- * Exchanges front and back buffers of window
+ * GdiSwapBuffers [GDI32.@]
*
- * PARAMS
- * hdc [I] Device context whose buffers get swapped
- *
- * RETURNS
- * Success: TRUE
- * Failure: FALSE
+ * Probably not the correct semantics, it's supposed to be an internal backend for SwapBuffers.
*/
-BOOL WINAPI SwapBuffers( HDC hdc )
+BOOL WINAPI GdiSwapBuffers( HDC hdc )
{
INT bRet = FALSE;
DC * dc = get_dc_ptr( hdc );
diff --git a/dlls/opengl32/wgl.c b/dlls/opengl32/wgl.c
index 328cb63..79aefcd 100644
--- a/dlls/opengl32/wgl.c
+++ b/dlls/opengl32/wgl.c
@@ -90,6 +90,7 @@ const GLubyte * WINAPI wine_glGetString( GLenum name );
/* internal GDI functions */
extern INT WINAPI GdiDescribePixelFormat( HDC hdc, INT fmt, UINT size, PIXELFORMATDESCRIPTOR *pfd );
extern BOOL WINAPI GdiSetPixelFormat( HDC hdc, INT fmt, const PIXELFORMATDESCRIPTOR *pfd );
+extern BOOL WINAPI GdiSwapBuffers( HDC hdc );
/***********************************************************************
* wglSetPixelFormat(OPENGL32.@)
@@ -560,7 +561,7 @@ BOOL WINAPI wglSwapLayerBuffers(HDC hdc,
TRACE_(opengl)("(%p, %08x)\n", hdc, fuPlanes);
if (fuPlanes & WGL_SWAP_MAIN_PLANE) {
- if (!SwapBuffers(hdc)) return FALSE;
+ if (!GdiSwapBuffers(hdc)) return FALSE;
fuPlanes &= ~WGL_SWAP_MAIN_PLANE;
}
@@ -1062,7 +1063,7 @@ void WINAPI wine_glGetIntegerv( GLenum pname, GLint* params )
*/
BOOL WINAPI DECLSPEC_HOTPATCH wglSwapBuffers( HDC hdc )
{
- return SwapBuffers(hdc);
+ return GdiSwapBuffers(hdc);
}
/* This is for brain-dead applications that use OpenGL functions before even
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