From e9827cc916d09b7dba7ee11cb77ab50f24ff7a3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20D=C3=B6singer?= <stefan@codeweavers.com>
Date: Wed, 30 Jul 2008 10:53:33 -0500
Subject: [PATCH] wined3d: Always load glFinish and glFlush from opengl32.dll.

---
 dlls/wined3d/directx.c    | 14 +++++++++++++-
 include/wine/wined3d_gl.h | 10 ++++++----
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 9101ba86a9..5474a45ad2 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -3971,7 +3971,7 @@ void fillGLAttribFuncs(WineD3D_GL_Info *gl_info) {
 
 #define PUSH1(att)        attribs[nAttribs++] = (att);
 BOOL InitAdapters(void) {
-    static HMODULE mod_gl;
+    static HMODULE mod_gl, mod_win32gl;
     BOOL ret;
     int ps_selected_mode, vs_selected_mode;
 
@@ -3990,10 +3990,16 @@ BOOL InitAdapters(void) {
             ERR("Can't load opengl32.dll!\n");
             goto nogl_adapter;
         }
+        mod_win32gl = mod_gl;
 #else
 #define USE_GL_FUNC(pfn) pfn = (void*)pwglGetProcAddress(#pfn);
         /* To bypass the opengl32 thunks load wglGetProcAddress from gdi32 (glXGetProcAddress wrapper) instead of opengl32's */
         mod_gl = GetModuleHandleA("gdi32.dll");
+        mod_win32gl = LoadLibraryA("opengl32.dll");
+        if(!mod_win32gl) {
+            ERR("Can't load opengl32.dll!\n");
+            goto nogl_adapter;
+        }
 #endif
     }
 
@@ -4011,6 +4017,12 @@ BOOL InitAdapters(void) {
     GL_FUNCS_GEN;
 #undef USE_GL_FUNC
 
+    /* Load glFinish and glFlush from opengl32.dll even if we're not using WIN32 opengl
+     * otherwise because we have to use winex11.drv's override
+     */
+    glFinish = (void*)GetProcAddress(mod_win32gl, "glFinish");
+    glFlush = (void*)GetProcAddress(mod_win32gl, "glFlush");
+
     /* For now only one default adapter */
     {
         int iPixelFormat;
diff --git a/include/wine/wined3d_gl.h b/include/wine/wined3d_gl.h
index ac4967d467..7f0b6408ba 100644
--- a/include/wine/wined3d_gl.h
+++ b/include/wine/wined3d_gl.h
@@ -890,8 +890,6 @@ void (WINE_GLAPI *glEvalMesh2) (GLenum mode, GLint i1, GLint i2, GLint j1, GLint
 void (WINE_GLAPI *glEvalPoint1) (GLint i);
 void (WINE_GLAPI *glEvalPoint2) (GLint i, GLint j);
 void (WINE_GLAPI *glFeedbackBuffer) (GLsizei size, GLenum type, GLfloat* buffer);
-void (WINE_GLAPI *glFinish) ();
-void (WINE_GLAPI *glFlush) ();
 void (WINE_GLAPI *glFogf) (GLenum pname, GLfloat param);
 void (WINE_GLAPI *glFogfv) (GLenum pname, const GLfloat* params);
 void (WINE_GLAPI *glFogi) (GLenum pname, GLint param);
@@ -1139,6 +1137,12 @@ void (WINE_GLAPI *glVertexPointer) (GLint size, GLenum type, GLsizei stride, con
 void (WINE_GLAPI *glViewport) (GLint x, GLint y, GLsizei width, GLsizei height);
 void (WINE_GLAPI *glPointParameterfv) (GLenum pname, const GLfloat *params);
 
+/* glFinish and glFlush are always loaded from opengl32.dll, thus they always have
+ * __stdcall calling convention
+ */
+void (__stdcall  *glFinish) ();
+void (__stdcall  *glFlush) ();
+
 /* WGL functions */
 HGLRC   (WINAPI *pwglCreateContext)(HDC);
 BOOL    (WINAPI *pwglDeleteContext)(HGLRC);
@@ -1238,8 +1242,6 @@ BOOL    (WINAPI *pwglShareLists)(HGLRC,HGLRC);
     USE_GL_FUNC(glEvalPoint1) \
     USE_GL_FUNC(glEvalPoint2) \
     USE_GL_FUNC(glFeedbackBuffer) \
-    USE_GL_FUNC(glFinish) \
-    USE_GL_FUNC(glFlush) \
     USE_GL_FUNC(glFogf) \
     USE_GL_FUNC(glFogfv) \
     USE_GL_FUNC(glFogi) \