Implemented OpenGL support on Mac OS X

The OpenGL renderer works without changes, yay! :)

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401982

include/SDL_compat.h

@@ -171,7 +171,6 @@ extern DECLSPEC void SDLCALL SDL_UnlockYUVOverlay(SDL_Overlay * overlay);
 extern DECLSPEC int SDLCALL SDL_DisplayYUVOverlay(SDL_Overlay * overlay,
                                                   SDL_Rect * dstrect);
 extern DECLSPEC void SDLCALL SDL_FreeYUVOverlay(SDL_Overlay * overlay);
-extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int *value);
 extern DECLSPEC void SDLCALL SDL_GL_SwapBuffers(void);
 
 /* Ends C function definitions when using C++ */

include/SDL_video.h

@@ -1444,6 +1444,10 @@ extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface * src,
  *
  * \return 0 on success, or -1 if the library couldn't be loaded
  *
+ * This should be done after initializing the video driver, but before
+ * creating any OpenGL windows.  If no OpenGL library is loaded, the default
+ * library will be loaded upon creation of the first OpenGL window.
+ *
  * \note If you do this, you need to retrieve all of the GL functions used in
  *       your program from the dynamic library using SDL_GL_GetProcAddress().
  *
@@ -1476,11 +1480,9 @@ extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value);
 /**
  * \fn int SDL_GL_GetWindowAttribute(SDL_WindowID windowID, SDL_GLattr attr, int *value)
  *
- * \brief Get the actual value for an OpenGL window attribute.
+ * \brief Get the actual value for an attribute from the current context.
  */
-extern DECLSPEC int SDLCALL SDL_GL_GetWindowAttribute(SDL_WindowID windowID,
-                                                      SDL_GLattr attr,
-                                                      int *value);
+extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int *value);
 
 /**
  * \fn SDL_GLContext SDL_GL_CreateContext(SDL_WindowID windowID)

src/SDL_compat.c

@@ -1432,12 +1432,6 @@ SDL_FreeYUVOverlay(SDL_Overlay * overlay)
     }
 }
 
-int
-SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
-{
-    return SDL_GL_GetWindowAttribute(SDL_VideoWindow, attr, value);
-}
-
 void
 SDL_GL_SwapBuffers(void)
 {

src/video/SDL_sysvideo.h

@@ -232,8 +232,6 @@ struct SDL_VideoDevice
      */
     int (*GL_LoadLibrary) (_THIS, const char *path);
     void *(*GL_GetProcAddress) (_THIS, const char *proc);
-    int (*GL_GetWindowAttribute) (_THIS, SDL_Window * window,
-                                  SDL_GLattr attrib, int *value);
       SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
     int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
     int (*GL_SetSwapInterval) (_THIS, int interval);

src/video/SDL_video.c

@@ -2131,6 +2131,7 @@ SDL_GL_ExtensionSupported(const char *extension)
 int
 SDL_GL_SetAttribute(SDL_GLattr attr, int value)
 {
+#if SDL_VIDEO_OPENGL
     int retval;
 
     if (!_this) {
@@ -2194,26 +2195,101 @@ SDL_GL_SetAttribute(SDL_GLattr attr, int value)
         break;
     }
     return retval;
+#else
+    SDL_Unsupported();
+    return -1;
+#endif /* SDL_VIDEO_OPENGL */
 }
 
 int
-SDL_GL_GetWindowAttribute(SDL_WindowID windowID, SDL_GLattr attr, int *value)
+SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
 {
-    SDL_Window *window = SDL_GetWindowFromID(windowID);
-    int retval;
+#if SDL_VIDEO_OPENGL
+    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
+    GLenum attrib = 0;
 
-    if (!window) {
+    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
+    if (!glGetIntegervFunc) {
         return -1;
     }
-
-    if (_this->GL_GetWindowAttribute) {
-        retval = _this->GL_GetWindowAttribute(_this, window, attr, value);
-    } else {
-        *value = 0;
-        SDL_SetError("GL_GetWindowAttribute not supported");
-        retval = -1;
+    switch (attr) {
+    case SDL_GL_RED_SIZE:
+        attrib = GL_RED_BITS;
+        break;
+    case SDL_GL_BLUE_SIZE:
+        attrib = GL_BLUE_BITS;
+        break;
+    case SDL_GL_GREEN_SIZE:
+        attrib = GL_GREEN_BITS;
+        break;
+    case SDL_GL_ALPHA_SIZE:
+        attrib = GL_ALPHA_BITS;
+        break;
+    case SDL_GL_DOUBLEBUFFER:
+        attrib = GL_DOUBLEBUFFER;
+        break;
+    case SDL_GL_DEPTH_SIZE:
+        attrib = GL_DEPTH_BITS;
+        break;
+    case SDL_GL_STENCIL_SIZE:
+        attrib = GL_STENCIL_BITS;
+        break;
+    case SDL_GL_ACCUM_RED_SIZE:
+        attrib = GL_ACCUM_RED_BITS;
+        break;
+    case SDL_GL_ACCUM_GREEN_SIZE:
+        attrib = GL_ACCUM_GREEN_BITS;
+        break;
+    case SDL_GL_ACCUM_BLUE_SIZE:
+        attrib = GL_ACCUM_BLUE_BITS;
+        break;
+    case SDL_GL_ACCUM_ALPHA_SIZE:
+        attrib = GL_ACCUM_ALPHA_BITS;
+        break;
+    case SDL_GL_STEREO:
+        attrib = GL_STEREO;
+        break;
+    case SDL_GL_MULTISAMPLEBUFFERS:
+        attrib = GL_SAMPLE_BUFFERS_ARB;
+        break;
+    case SDL_GL_MULTISAMPLESAMPLES:
+        attrib = GL_SAMPLES_ARB;
+        break;
+    case SDL_GL_BUFFER_SIZE:
+        {
+            GLint bits = 0;
+            GLint component;
+
+            /* there doesn't seem to be a single flag in OpenGL for this! */
+            glGetIntegerv(GL_RED_BITS, &component);
+            bits += component;
+            glGetIntegerv(GL_GREEN_BITS, &component);
+            bits += component;
+            glGetIntegerv(GL_BLUE_BITS, &component);
+            bits += component;
+            glGetIntegerv(GL_ALPHA_BITS, &component);
+            bits += component;
+
+            *value = bits;
+            return 0;
+        }
+    case SDL_GL_ACCELERATED_VISUAL:
+        {
+            /* FIXME: How do we get this information? */
+            *value = (_this->gl_config.accelerated != 0);
+            return 0;
+        }
+    default:
+        SDL_SetError("Unknown OpenGL attribute");
+        return -1;
     }
-    return retval;
+
+    glGetIntegerv(attrib, (GLint *) value);
+    return 0;
+#else
+    SDL_Unsupported();
+    return -1;
+#endif /* SDL_VIDEO_OPENGL */
 }
 
 SDL_GLContext
@@ -2240,6 +2316,9 @@ SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
         SDL_SetError("The specified window isn't an OpenGL window");
         return -1;
     }
+    if (!context) {
+        window = NULL;
+    }
     return _this->GL_MakeCurrent(_this, window, context);
 }
 
@@ -2296,6 +2375,7 @@ SDL_GL_DeleteContext(SDL_GLContext context)
     if (!_this || !context) {
         return;
     }
+    _this->GL_MakeCurrent(_this, NULL, NULL);
     _this->GL_DeleteContext(_this, context);
 }
 

src/video/cocoa/SDL_cocoaevents.m

@@ -30,20 +30,11 @@
 @end
 #endif
 
-@interface SDLApplication : NSApplication
+@implementation NSApplication(SDL)
+- (void)setRunning
 {
-}
-- (void)finishLaunching;
-@end
-
-@implementation SDLApplication
-
-- (void)finishLaunching
-{
-    [super finishLaunching];
     _running = 1;
 }
-
 @end
 
 static NSString *
@@ -141,13 +132,14 @@ Cocoa_RegisterApp(void)
 
     pool = [[NSAutoreleasePool alloc] init];
     if (NSApp == nil) {
-        [SDLApplication sharedApplication];
+        [NSApplication sharedApplication];
 
         if ([NSApp mainMenu] == nil) {
             CreateApplicationMenus();
         }
         [NSApp finishLaunching];
     }
+    [NSApp setRunning];
     [pool release];
 }
 

src/video/cocoa/SDL_cocoaopengl.h

+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifndef _SDL_cocoaopengl_h
+#define _SDL_cocoaopengl_h
+
+#if SDL_VIDEO_OPENGL
+
+struct SDL_GLDriverData
+{
+    int initialized;
+};
+
+/* OpenGL functions */
+extern int Cocoa_GL_LoadLibrary(_THIS, const char *path);
+extern void *Cocoa_GL_GetProcAddress(_THIS, const char *proc);
+extern int Cocoa_GL_SetupWindow(_THIS, SDL_Window * window);
+extern void Cocoa_GL_CleanupWindow(_THIS, SDL_Window * window);
+extern SDL_GLContext Cocoa_GL_CreateContext(_THIS, SDL_Window * window);
+extern int Cocoa_GL_MakeCurrent(_THIS, SDL_Window * window,
+                                SDL_GLContext context);
+extern int Cocoa_GL_SetSwapInterval(_THIS, int interval);
+extern int Cocoa_GL_GetSwapInterval(_THIS);
+extern void Cocoa_GL_SwapWindow(_THIS, SDL_Window * window);
+extern void Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context);
+
+#endif /* SDL_VIDEO_OPENGL */
+
+#endif /* _SDL_cocoaopengl_h */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/cocoa/SDL_cocoaopengl.m

+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_cocoavideo.h"
+
+/* NSOpenGL implementation of SDL OpenGL support */
+
+#if SDL_VIDEO_OPENGL
+#include <OpenGL/CGLTypes.h>
+
+#include "SDL_loadso.h"
+#include "SDL_opengl.h"
+
+
+#define DEFAULT_OPENGL_PATH  "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"
+
+/* This is implemented in Mac OS X 10.3 and above */
+#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_3
+@implementation NSOpenGLContext(CGLContextAccess)
+- (CGLContextObj)CGLContextObj;
+{
+    return _contextAuxiliary;
+}
+@end
+#endif /* < 10.3 */
+
+int
+Cocoa_GL_LoadLibrary(_THIS, const char *path)
+{
+    if (_this->gl_config.driver_loaded) {
+        if (path) {
+            SDL_SetError("OpenGL library already loaded");
+            return -1;
+        } else {
+            ++_this->gl_config.driver_loaded;
+            return 0;
+        }
+    }
+    if (path == NULL) {
+        path = DEFAULT_OPENGL_PATH;
+    }
+    _this->gl_config.dll_handle = SDL_LoadObject(path);
+    if (!_this->gl_config.dll_handle) {
+        return -1;
+    }
+    SDL_strlcpy(_this->gl_config.driver_path, path,
+                SDL_arraysize(_this->gl_config.driver_path));
+    _this->gl_config.driver_loaded = 1;
+    return 0;
+}
+
+void *
+Cocoa_GL_GetProcAddress(_THIS, const char *proc)
+{
+    return SDL_LoadFunction(_this->gl_config.dll_handle, proc);
+}
+
+static void
+Cocoa_GL_UnloadLibrary(_THIS)
+{
+    if (_this->gl_config.driver_loaded > 0) {
+        if (--_this->gl_config.driver_loaded > 0) {
+            return;
+        }
+        SDL_UnloadObject(_this->gl_config.dll_handle);
+        _this->gl_config.dll_handle = NULL;
+    }
+}
+
+static void
+Cocoa_GL_Shutdown(_THIS)
+{
+    if (!_this->gl_data || (--_this->gl_data->initialized > 0)) {
+        return;
+    }
+
+    Cocoa_GL_UnloadLibrary(_this);
+
+    SDL_free(_this->gl_data);
+    _this->gl_data = NULL;
+}
+
+static int
+Cocoa_GL_Initialize(_THIS)
+{
+    if (_this->gl_data) {
+        ++_this->gl_data->initialized;
+        return 0;
+    }
+
+    _this->gl_data =
+        (struct SDL_GLDriverData *) SDL_calloc(1,
+                                               sizeof(struct
+                                                      SDL_GLDriverData));
+    if (!_this->gl_data) {
+        SDL_OutOfMemory();
+        return -1;
+    }
+    _this->gl_data->initialized = 1;
+
+    if (Cocoa_GL_LoadLibrary(_this, NULL) < 0) {
+        return -1;
+    }
+    return 0;
+}
+
+int
+Cocoa_GL_SetupWindow(_THIS, SDL_Window * window)
+{
+    if (Cocoa_GL_Initialize(_this) < 0) {
+        return -1;
+    }
+    return 0;
+}
+
+void
+Cocoa_GL_CleanupWindow(_THIS, SDL_Window * window)
+{
+    Cocoa_GL_Shutdown(_this);
+}
+
+SDL_GLContext
+Cocoa_GL_CreateContext(_THIS, SDL_Window * window)
+{
+    NSAutoreleasePool *pool;
+    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
+    SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata;
+    NSOpenGLPixelFormatAttribute attr[32];
+    NSOpenGLPixelFormat *fmt;
+    NSOpenGLContext *nscontext;
+    int i = 0;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    if (window->flags & SDL_WINDOW_FULLSCREEN) {
+        attr[i++] = NSOpenGLPFAFullScreen;
+    }
+
+    attr[i++] = NSOpenGLPFAColorSize;
+    attr[i++] = SDL_BYTESPERPIXEL(display->current_mode.format)*8;
+
+    attr[i++] = NSOpenGLPFADepthSize;
+    attr[i++] = _this->gl_config.depth_size;
+
+    if (_this->gl_config.double_buffer) {
+        attr[i++] = NSOpenGLPFADoubleBuffer;
+    }
+
+    if (_this->gl_config.stereo) {
+        attr[i++] = NSOpenGLPFAStereo;
+    }
+
+    if (_this->gl_config.stencil_size) {
+        attr[i++] = NSOpenGLPFAStencilSize;
+        attr[i++] = _this->gl_config.stencil_size;
+    }
+
+    if ((_this->gl_config.accum_red_size +
+         _this->gl_config.accum_green_size +
+         _this->gl_config.accum_blue_size +
+         _this->gl_config.accum_alpha_size) > 0) {
+        attr[i++] = NSOpenGLPFAAccumSize;
+        attr[i++] = _this->gl_config.accum_red_size + _this->gl_config.accum_green_size + _this->gl_config.accum_blue_size + _this->gl_config.accum_alpha_size;
+    }
+
+    if (_this->gl_config.multisamplebuffers) {
+        attr[i++] = NSOpenGLPFASampleBuffers;
+        attr[i++] = _this->gl_config.multisamplebuffers;
+    }
+
+    if (_this->gl_config.multisamplesamples) {
+        attr[i++] = NSOpenGLPFASamples;
+        attr[i++] = _this->gl_config.multisamplesamples;
+        attr[i++] = NSOpenGLPFANoRecovery;
+    }
+
+    if (_this->gl_config.accelerated > 0) {
+        attr[i++] = NSOpenGLPFAAccelerated;
+    }
+
+    attr[i++] = NSOpenGLPFAScreenMask;
+    attr[i++] = CGDisplayIDToOpenGLDisplayMask(displaydata->display);
+    attr[i] = 0;
+
+    fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr];
+    if (fmt == nil) {
+        SDL_SetError ("Failed creating OpenGL pixel format");
+        [pool release];
+        return NULL;
+    }
+
+    nscontext = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil];
+
+    [fmt release];
+
+    if (nscontext == nil) {
+        SDL_SetError ("Failed creating OpenGL context");
+        [pool release];
+        return NULL;
+    }
+
+    /*
+     * Wisdom from Apple engineer in reference to UT2003's OpenGL performance:
+     *  "You are blowing a couple of the internal OpenGL function caches. This
+     *  appears to be happening in the VAO case.  You can tell OpenGL to up
+     *  the cache size by issuing the following calls right after you create
+     *  the OpenGL context.  The default cache size is 16."    --ryan.
+     */
+
+    #ifndef GLI_ARRAY_FUNC_CACHE_MAX
+    #define GLI_ARRAY_FUNC_CACHE_MAX 284
+    #endif
+
+    #ifndef GLI_SUBMIT_FUNC_CACHE_MAX
+    #define GLI_SUBMIT_FUNC_CACHE_MAX 280
+    #endif
+
+    {
+        long cache_max = 64;
+        CGLContextObj ctx = [nscontext CGLContextObj];
+        CGLSetParameter (ctx, GLI_SUBMIT_FUNC_CACHE_MAX, &cache_max);
+        CGLSetParameter (ctx, GLI_ARRAY_FUNC_CACHE_MAX, &cache_max);
+    }
+
+    /* End Wisdom from Apple Engineer section. --ryan. */
+
+    /* FIXME: should this go somewhere else? */
+    if (window->flags & SDL_WINDOW_FULLSCREEN) {
+        [nscontext setFullScreen];
+    }
+
+    [pool release];
+    return nscontext;
+}
+
+int
+Cocoa_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
+{
+    NSAutoreleasePool *pool;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    if (context) {
+        SDL_WindowData *windowdata = (SDL_WindowData *)window->driverdata;
+        NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
+
+        [nscontext setView:[windowdata->window contentView]];
+        [nscontext makeCurrentContext];
+    } else {
+        [NSOpenGLContext clearCurrentContext];
+    }
+
+    [pool release];
+    return 0;
+}
+
+int
+Cocoa_GL_SetSwapInterval(_THIS, int interval)
+{
+    NSAutoreleasePool *pool;
+    NSOpenGLContext *nscontext;
+    long value;
+    int status;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    nscontext = [NSOpenGLContext currentContext];
+    if (nscontext != nil) {
+        value = interval;
+        [nscontext setValues:&value forParameter:NSOpenGLCPSwapInterval];
+        status = 0;
+    } else {
+        SDL_SetError("No current OpenGL context");
+        status = -1;
+    }
+
+    [pool release];
+    return status;
+}
+
+int
+Cocoa_GL_GetSwapInterval(_THIS)
+{
+    NSAutoreleasePool *pool;
+    NSOpenGLContext *nscontext;
+    long value;
+    int status;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    nscontext = [NSOpenGLContext currentContext];
+    if (nscontext != nil) {
+        [nscontext getValues:&value forParameter:NSOpenGLCPSwapInterval];
+        status = (int)value;
+    } else {
+        SDL_SetError("No current OpenGL context");
+        status = -1;
+    }
+
+    [pool release];
+    return status;
+}
+
+void
+Cocoa_GL_SwapWindow(_THIS, SDL_Window * window)
+{
+    NSAutoreleasePool *pool;
+    NSOpenGLContext *nscontext;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    /* FIXME: Do we need to get the context for the window? */
+    nscontext = [NSOpenGLContext currentContext];
+    if (nscontext != nil) {
+        [nscontext flushBuffer];
+    }
+
+    [pool release];
+}
+
+void
+Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context)
+{
+    NSAutoreleasePool *pool;
+    NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
+
+    pool = [[NSAutoreleasePool alloc] init];
+
+    [nscontext clearDrawable];
+    [nscontext release];
+
+    [pool release];
+}
+
+#endif /* SDL_VIDEO_OPENGL */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/cocoa/SDL_cocoavideo.h

@@ -33,9 +33,7 @@
 #include "SDL_cocoakeyboard.h"
 #include "SDL_cocoamodes.h"
 #include "SDL_cocoamouse.h"
-/*
 #include "SDL_cocoaopengl.h"
-*/
 #include "SDL_cocoawindow.h"
 
 /* Private display data */

src/video/cocoa/SDL_cocoavideo.m

@@ -87,11 +87,9 @@ Cocoa_CreateDevice(int devindex)
     device->SetWindowGrab = Cocoa_SetWindowGrab;
     device->DestroyWindow = Cocoa_DestroyWindow;
     device->GetWindowWMInfo = Cocoa_GetWindowWMInfo;
-    /*
 #ifdef SDL_VIDEO_OPENGL
     device->GL_LoadLibrary = Cocoa_GL_LoadLibrary;
     device->GL_GetProcAddress = Cocoa_GL_GetProcAddress;
-    device->GL_GetWindowAttribute = Cocoa_GL_GetWindowAttribute;
     device->GL_CreateContext = Cocoa_GL_CreateContext;
     device->GL_MakeCurrent = Cocoa_GL_MakeCurrent;
     device->GL_SetSwapInterval = Cocoa_GL_SetSwapInterval;
@@ -99,7 +97,6 @@ Cocoa_CreateDevice(int devindex)
     device->GL_SwapWindow = Cocoa_GL_SwapWindow;
     device->GL_DeleteContext = Cocoa_GL_DeleteContext;
 #endif
-    */
 
     device->free = Cocoa_DeleteDevice;
 

src/video/cocoa/SDL_cocoawindow.h

@@ -26,6 +26,7 @@
 
 typedef struct SDL_WindowData SDL_WindowData;
 
+/* *INDENT-OFF* */
 @interface Cocoa_WindowListener:NSResponder {
     SDL_WindowData *_data;
 }
@@ -58,7 +59,10 @@ typedef struct SDL_WindowData SDL_WindowData;
 -(void) mouseExited:(NSEvent *) theEvent;
 -(void) keyDown:(NSEvent *) theEvent;
 -(void) keyUp:(NSEvent *) theEvent;
-@end struct SDL_WindowData
+@end
+/* *INDENT-ON* */
+
+struct SDL_WindowData
 {
     SDL_WindowID windowID;
     NSWindow *window;

src/video/cocoa/SDL_cocoawindow.m

@@ -31,6 +31,7 @@
 
 static __inline__ void ConvertNSRect(NSRect *r)
 {
+    /* FIXME: Cache the display used for this window */
     r->origin.y = CGDisplayPixelsHigh(kCGDirectMainDisplay) - r->origin.y - r->size.height;
 }
 
@@ -325,6 +326,7 @@ Cocoa_CreateWindow(_THIS, SDL_Window * window)
     NSRect rect;
     unsigned int style;
     NSString *title;
+    int status;
 
     pool = [[NSAutoreleasePool alloc] init];
 
@@ -380,18 +382,15 @@ Cocoa_CreateWindow(_THIS, SDL_Window * window)
 
     if (SetupWindowData(window, nswindow, YES) < 0) {
         [nswindow release];
-        [pool release];
         return -1;
     }
 #ifdef SDL_VIDEO_OPENGL
-    /*
     if (window->flags & SDL_WINDOW_OPENGL) {
         if (Cocoa_GL_SetupWindow(_this, window) < 0) {
             Cocoa_DestroyWindow(_this, window);
             return -1;
         }
     }
-    */
 #endif
     return 0;
 }
@@ -522,11 +521,9 @@ Cocoa_DestroyWindow(_THIS, SDL_Window * window)
     if (data) {
         NSAutoreleasePool *pool;
 #ifdef SDL_VIDEO_OPENGL
-        /*
         if (window->flags & SDL_WINDOW_OPENGL) {
             Cocoa_GL_CleanupWindow(_this, window);
         }
-        */
 #endif
         pool = [[NSAutoreleasePool alloc] init];
         [data->listener close];

src/video/win32/SDL_win32opengl.c

@@ -28,7 +28,7 @@
 #if SDL_VIDEO_OPENGL
 #include "SDL_opengl.h"
 
-#define DEFAULT_GL_DRIVER_PATH "OPENGL32.DLL"
+#define DEFAULT_OPENGL_PATH "OPENGL32.DLL"
 
 
 int
@@ -47,7 +47,7 @@ WIN_GL_LoadLibrary(_THIS, const char *path)
         }
     }
     if (path == NULL) {
-        path = DEFAULT_GL_DRIVER_PATH;
+        path = DEFAULT_OPENGL_PATH;
     }
     wpath = WIN_UTF8ToString(path);
     handle = LoadLibrary(wpath);
@@ -414,153 +414,6 @@ WIN_GL_CleanupWindow(_THIS, SDL_Window * window)
     WIN_GL_Shutdown(_this);
 }
 
-int
-WIN_GL_GetWindowAttribute(_THIS, SDL_Window * window, SDL_GLattr attrib,
-                          int *value)
-{
-    HDC hdc = ((SDL_WindowData *) window->driverdata)->hdc;
-    int pixel_format;
-
-    pixel_format = GetPixelFormat(hdc);
-
-    if (_this->gl_data->WGL_ARB_pixel_format) {
-        int wgl_attrib;
-
-        switch (attrib) {
-        case SDL_GL_RED_SIZE:
-            wgl_attrib = WGL_RED_BITS_ARB;
-            break;
-        case SDL_GL_GREEN_SIZE:
-            wgl_attrib = WGL_GREEN_BITS_ARB;
-            break;
-        case SDL_GL_BLUE_SIZE:
-            wgl_attrib = WGL_BLUE_BITS_ARB;
-            break;
-        case SDL_GL_ALPHA_SIZE:
-            wgl_attrib = WGL_ALPHA_BITS_ARB;
-            break;
-        case SDL_GL_DOUBLEBUFFER:
-            wgl_attrib = WGL_DOUBLE_BUFFER_ARB;
-            break;
-        case SDL_GL_BUFFER_SIZE:
-            wgl_attrib = WGL_COLOR_BITS_ARB;
-            break;
-        case SDL_GL_DEPTH_SIZE:
-            wgl_attrib = WGL_DEPTH_BITS_ARB;
-            break;
-        case SDL_GL_STENCIL_SIZE:
-            wgl_attrib = WGL_STENCIL_BITS_ARB;
-            break;
-        case SDL_GL_ACCUM_RED_SIZE:
-            wgl_attrib = WGL_ACCUM_RED_BITS_ARB;
-            break;
-        case SDL_GL_ACCUM_GREEN_SIZE:
-            wgl_attrib = WGL_ACCUM_GREEN_BITS_ARB;
-            break;
-        case SDL_GL_ACCUM_BLUE_SIZE:
-            wgl_attrib = WGL_ACCUM_BLUE_BITS_ARB;
-            break;
-        case SDL_GL_ACCUM_ALPHA_SIZE:
-            wgl_attrib = WGL_ACCUM_ALPHA_BITS_ARB;
-            break;
-        case SDL_GL_STEREO:
-            wgl_attrib = WGL_STEREO_ARB;
-            break;
-        case SDL_GL_MULTISAMPLEBUFFERS:
-            wgl_attrib = WGL_SAMPLE_BUFFERS_ARB;
-            break;
-        case SDL_GL_MULTISAMPLESAMPLES:
-            wgl_attrib = WGL_SAMPLES_ARB;
-            break;
-        case SDL_GL_ACCELERATED_VISUAL:
-            wgl_attrib = WGL_ACCELERATION_ARB;
-            _this->gl_data->wglGetPixelFormatAttribivARB(hdc, pixel_format, 0,
-                                                         1, &wgl_attrib,
-                                                         value);
-            if (*value == WGL_NO_ACCELERATION_ARB) {
-                *value = SDL_FALSE;
-            } else {
-                *value = SDL_TRUE;
-            }
-            return 0;
-            break;
-        default:
-            return (-1);
-        }
-        _this->gl_data->wglGetPixelFormatAttribivARB(hdc, pixel_format, 0, 1,
-                                                     &wgl_attrib, value);
-        return 0;
-    } else {
-        PIXELFORMATDESCRIPTOR pfd;
-        int retval;
-
-        if (!DescribePixelFormat(hdc, pixel_format, sizeof(pfd), &pfd)) {
-            WIN_SetError("DescribePixelFormat()");
-            return -1;
-        }
-        retval = 0;
-        switch (attrib) {
-        case SDL_GL_RED_SIZE:
-            *value = pfd.cRedBits;
-            break;
-        case SDL_GL_GREEN_SIZE:
-            *value = pfd.cGreenBits;
-            break;
-        case SDL_GL_BLUE_SIZE:
-            *value = pfd.cBlueBits;
-            break;
-        case SDL_GL_ALPHA_SIZE:
-            *value = pfd.cAlphaBits;
-            break;
-        case SDL_GL_DOUBLEBUFFER:
-            if (pfd.dwFlags & PFD_DOUBLEBUFFER) {
-                *value = 1;
-            } else {
-                *value = 0;
-            }
-            break;
-        case SDL_GL_BUFFER_SIZE:
-            *value = pfd.cColorBits;
-            break;
-        case SDL_GL_DEPTH_SIZE:
-            *value = pfd.cDepthBits;
-            break;
-        case SDL_GL_STENCIL_SIZE:
-            *value = pfd.cStencilBits;
-            break;
-        case SDL_GL_ACCUM_RED_SIZE:
-            *value = pfd.cAccumRedBits;
-            break;
-        case SDL_GL_ACCUM_GREEN_SIZE:
-            *value = pfd.cAccumGreenBits;
-            break;
-        case SDL_GL_ACCUM_BLUE_SIZE:
-            *value = pfd.cAccumBlueBits;
-            break;
-        case SDL_GL_ACCUM_ALPHA_SIZE:
-            *value = pfd.cAccumAlphaBits;
-            break;
-        case SDL_GL_STEREO:
-            if (pfd.dwFlags & PFD_STEREO) {
-                *value = 1;
-            } else {
-                *value = 0;
-            }
-            break;
-        case SDL_GL_MULTISAMPLEBUFFERS:
-            *value = 0;
-            break;
-        case SDL_GL_MULTISAMPLESAMPLES:
-            *value = 1;
-            break;
-        default:
-            retval = -1;
-            break;
-        }
-        return retval;
-    }
-}
-
 SDL_GLContext
 WIN_GL_CreateContext(_THIS, SDL_Window * window)
 {
@@ -623,9 +476,7 @@ WIN_GL_SwapWindow(_THIS, SDL_Window * window)
 void
 WIN_GL_DeleteContext(_THIS, SDL_GLContext context)
 {
-    if (context) {
-        _this->gl_data->wglDeleteContext((HGLRC) context);
-    }
+    _this->gl_data->wglDeleteContext((HGLRC) context);
 }
 
 #endif /* SDL_VIDEO_OPENGL */

src/video/win32/SDL_win32opengl.h

@@ -55,8 +55,6 @@ extern int WIN_GL_LoadLibrary(_THIS, const char *path);
 extern void *WIN_GL_GetProcAddress(_THIS, const char *proc);
 extern int WIN_GL_SetupWindow(_THIS, SDL_Window * window);
 extern void WIN_GL_CleanupWindow(_THIS, SDL_Window * window);
-extern int WIN_GL_GetWindowAttribute(_THIS, SDL_Window * window,
-                                     SDL_GLattr attrib, int *value);
 extern SDL_GLContext WIN_GL_CreateContext(_THIS, SDL_Window * window);
 extern int WIN_GL_MakeCurrent(_THIS, SDL_Window * window,
                               SDL_GLContext context);

src/video/win32/SDL_win32video.c

@@ -126,7 +126,6 @@ WIN_CreateDevice(int devindex)
 #ifdef SDL_VIDEO_OPENGL
     device->GL_LoadLibrary = WIN_GL_LoadLibrary;
     device->GL_GetProcAddress = WIN_GL_GetProcAddress;
-    device->GL_GetWindowAttribute = WIN_GL_GetWindowAttribute;
     device->GL_CreateContext = WIN_GL_CreateContext;
     device->GL_MakeCurrent = WIN_GL_MakeCurrent;
     device->GL_SetSwapInterval = WIN_GL_SetSwapInterval;

test/testgl2.c

@@ -244,28 +244,25 @@ main(int argc, char *argv[])
     printf("Extensions : %s\n", glGetString(GL_EXTENSIONS));
     printf("\n");
 
-    SDL_GL_GetWindowAttribute(state->windows[0], SDL_GL_RED_SIZE, &value);
+    SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
     printf("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
-    SDL_GL_GetWindowAttribute(state->windows[0], SDL_GL_GREEN_SIZE, &value);
+    SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
     printf("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
-    SDL_GL_GetWindowAttribute(state->windows[0], SDL_GL_BLUE_SIZE, &value);
+    SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
     printf("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
-    SDL_GL_GetWindowAttribute(state->windows[0], SDL_GL_DEPTH_SIZE, &value);
+    SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
     printf("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value);
-    SDL_GL_GetWindowAttribute(state->windows[0], SDL_GL_DOUBLEBUFFER, &value);
+    SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &value);
     printf("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
     if (fsaa) {
-        SDL_GL_GetWindowAttribute(state->windows[0],
-                                  SDL_GL_MULTISAMPLEBUFFERS, &value);
+        SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
         printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
-        SDL_GL_GetWindowAttribute(state->windows[0],
-                                  SDL_GL_MULTISAMPLESAMPLES, &value);
+        SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
         printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
                value);
     }
     if (accel) {
-        SDL_GL_GetWindowAttribute(state->windows[0],
-                                  SDL_GL_ACCELERATED_VISUAL, &value);
+        SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
         printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
     }