1355 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			1355 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * GLX implementation that uses Apple's AGL.framework for OpenGL
 | 
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 *
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 * FIXME: This file and indirect.c are very similar. The two should be
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 * merged by introducing suitable abstractions.
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 */
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/*
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 * Copyright (c) 2002 Greg Parker. All Rights Reserved.
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 * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
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 *
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 * Large portions of this file are copied from Mesa's xf86glx.c,
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 * which contains the following copyright:
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 *
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 * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
 | 
						|
 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 | 
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 * DEALINGS IN THE SOFTWARE.
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 */
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "quartzCommon.h"
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#include <AGL/agl.h>
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#include "cr.h"
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// X11 and X11's glx
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#undef BOOL
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#define BOOL xBOOL
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#include "quartz.h"
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#include <miscstruct.h>
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#include <windowstr.h>
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#include <resource.h>
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#include <GL/glxint.h>
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#include <GL/glxtokens.h>
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#include <scrnintstr.h>
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#include <glxserver.h>
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#include <glxscreens.h>
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#include <glxdrawable.h>
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#include <glxcontext.h>
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#include <glxext.h>
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#include <glxutil.h>
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#include <glxscreens.h>
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#include <GL/internal/glcore.h>
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#undef BOOL
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#include "glcontextmodes.h"
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// ggs: needed to call back to glx with visual configs
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extern void GlxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, void **configprivs);
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// Write debugging output, or not
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#ifdef GLAQUA_DEBUG
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#define GLAQUA_DEBUG_MSG ErrorF
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#else
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#define GLAQUA_DEBUG_MSG(a, ...)
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#endif
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// The following GL functions don't have an EXT suffix in OpenGL.framework.
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GLboolean glAreTexturesResidentEXT (GLsizei a, const GLuint *b, GLboolean *c) {
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    return glAreTexturesResident(a, b, c);
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}
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void glDeleteTexturesEXT (GLsizei d, const GLuint *e) {
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    glDeleteTextures(d, e);
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}
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void glGenTexturesEXT (GLsizei f, GLuint *g) {
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    glGenTextures(f, g);
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}
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GLboolean glIsTextureEXT (GLuint h) {
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    return glIsTexture(h);
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}
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 | 
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 | 
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// some prototypes
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static Bool glAquaScreenProbe(int screen);
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static Bool glAquaInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
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                              int *nvisualp, int *ndepthp,
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                              int *rootDepthp, VisualID *defaultVisp,
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                              unsigned long sizes, int bitsPerRGB);
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static void glAquaSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
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                                   void **privates);
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static __GLinterface *glAquaCreateContext(__GLimports *imports,
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                                          __GLcontextModes *mode,
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                                          __GLinterface *shareGC);
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static void glAquaCreateBuffer(__GLXdrawablePrivate *glxPriv);
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static void glAquaResetExtension(void);
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/*
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 * This structure is statically allocated in the __glXScreens[]
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 * structure.  This struct is not used anywhere other than in
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 * __glXScreenInit to initialize each of the active screens
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 * (__glXActiveScreens[]).  Several of the fields must be initialized by
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 * the screenProbe routine before they are copied to the active screens
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 * struct.  In particular, the contextCreate, modes, numVisuals,
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 * and numUsableVisuals fields must be initialized.
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 */
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static __GLXscreenInfo __glDDXScreenInfo = {
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    glAquaScreenProbe,   /* Must be generic and handle all screens */
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    glAquaCreateContext, /* Substitute screen's createContext routine */
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    glAquaCreateBuffer,  /* Substitute screen's createBuffer routine */
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    NULL,                 /* Set up modes in probe */
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    NULL,                 /* Set up pVisualPriv in probe */
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    0,                    /* Set up numVisuals in probe */
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    0,                    /* Set up numUsableVisuals in probe */
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    "Vendor String",      /* GLXvendor is overwritten by __glXScreenInit */
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    "Version String",     /* GLXversion is overwritten by __glXScreenInit */
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    "Extensions String",  /* GLXextensions is overwritten by __glXScreenInit */
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    NULL                  /* WrappedPositionWindow is overwritten */
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};
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void *__glXglDDXScreenInfo(void) {
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    return &__glDDXScreenInfo;
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}
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static __GLXextensionInfo __glDDXExtensionInfo = {
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    GL_CORE_APPLE,
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    glAquaResetExtension,
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    glAquaInitVisuals,
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    glAquaSetVisualConfigs
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};
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void *__glXglDDXExtensionInfo(void) {
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    return &__glDDXExtensionInfo;
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}
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// prototypes
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static GLboolean glAquaDestroyContext(__GLcontext *gc);
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static GLboolean glAquaLoseCurrent(__GLcontext *gc);
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static GLboolean glAquaMakeCurrent(__GLcontext *gc);
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static GLboolean glAquaShareContext(__GLcontext *gc, __GLcontext *gcShare);
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static GLboolean glAquaCopyContext(__GLcontext *dst, const __GLcontext *src,
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                                    GLuint mask);
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static GLboolean glAquaForceCurrent(__GLcontext *gc);
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/* Drawing surface notification callbacks */
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static GLboolean glAquaNotifyResize(__GLcontext *gc);
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static void glAquaNotifyDestroy(__GLcontext *gc);
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static void glAquaNotifySwapBuffers(__GLcontext *gc);
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/* Dispatch table override control for external agents like libGLS */
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static struct __GLdispatchStateRec* glAquaDispatchExec(__GLcontext *gc);
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static void glAquaBeginDispatchOverride(__GLcontext *gc);
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static void glAquaEndDispatchOverride(__GLcontext *gc);
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static __GLexports glAquaExports = {
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    glAquaDestroyContext,
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    glAquaLoseCurrent,
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    glAquaMakeCurrent,
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    glAquaShareContext,
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    glAquaCopyContext,
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    glAquaForceCurrent,
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    glAquaNotifyResize,
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    glAquaNotifyDestroy,
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    glAquaNotifySwapBuffers,
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    glAquaDispatchExec,
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    glAquaBeginDispatchOverride,
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    glAquaEndDispatchOverride
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};
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typedef struct {
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    int num_vis;
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    __GLcontextModes *modes;
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    void **priv;
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    // wrapped screen functions
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    RealizeWindowProcPtr RealizeWindow;
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    UnrealizeWindowProcPtr UnrealizeWindow;
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} glAquaScreenRec;
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static glAquaScreenRec glAquaScreens[MAXSCREENS];
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// __GLdrawablePrivate->private
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typedef struct {
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    GLboolean (*resize)(__GLdrawableBuffer *buf, GLint x, GLint y,
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                        GLuint width, GLuint height,
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						|
                        __GLdrawablePrivate *glPriv,
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						|
                        GLuint bufferMask);
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						|
} GLAquaDrawableRec;
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struct __GLcontextRec {
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  struct __GLinterfaceRec interface; // required to be first
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  AGLContext ctx;
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						|
  AGLPixelFormat pixelFormat;
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  Bool isAttached; // TRUE if ctx is really attached to a window
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};
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// Context manipulation; return GL_FALSE on failure
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static GLboolean glAquaDestroyContext(__GLcontext *gc)
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{
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						|
    GLAQUA_DEBUG_MSG("glAquaDestroyContext (ctx 0x%x)\n", gc->ctx);
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						|
    if (gc) {
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        if (gc->ctx) aglDestroyContext(gc->ctx);
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						|
        if (gc->pixelFormat) aglDestroyPixelFormat(gc->pixelFormat);
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        free(gc);
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    }
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    return GL_TRUE;
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}
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static GLboolean glAquaLoseCurrent(__GLcontext *gc)
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{
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    GLAQUA_DEBUG_MSG("glAquaLoseCurrent (ctx 0x%x)\n", gc->ctx);
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    aglSetCurrentContext(NULL);
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    __glXLastContext = NULL; // Mesa does this; why?
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    gc->isAttached = FALSE;
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						|
    return GL_TRUE;
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}
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						|
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						|
/*
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 * Attach a GL context to a GL drawable
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 * If glPriv is NULL, the context is detached.
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						|
 */
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static void attach(__GLcontext *gc, __GLdrawablePrivate *glPriv)
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						|
{
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						|
    __GLXdrawablePrivate *glxPriv;
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						|
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						|
    if (glPriv == NULL) {
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						|
        // attaching to nothing
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        GLAQUA_DEBUG_MSG("unattaching\n");
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						|
        aglSetDrawable(gc->ctx, NULL);
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						|
        gc->isAttached = FALSE;
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        return;
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						|
    }
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						|
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						|
    // Note that when resizing, the X11 WindowPtr already has its
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    // new size and position, but the Aqua window does not.
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						|
    glxPriv = (__GLXdrawablePrivate *)glPriv->other;
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						|
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						|
    if (glxPriv->type == DRAWABLE_WINDOW) {
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						|
        WindowPtr pWin = (WindowPtr) glxPriv->pDraw;
 | 
						|
        WindowPtr topWin = quartzProcs->TopLevelParent(pWin);
 | 
						|
        CRWindowPtr crWinPtr;
 | 
						|
        AGLDrawable newPort;
 | 
						|
 | 
						|
        if (glPriv->width <= 0 || glPriv->height <= 0) {
 | 
						|
            // attach to zero size drawable - will really attach later
 | 
						|
            GLAQUA_DEBUG_MSG("couldn't attach to zero size drawable\n");
 | 
						|
            aglSetDrawable(gc->ctx, NULL);
 | 
						|
            gc->isAttached = FALSE;
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
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        crWinPtr = (CRWindowPtr) quartzProcs->FrameForWindow(pWin, FALSE);
 | 
						|
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						|
        if (crWinPtr) {
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						|
            newPort = (AGLDrawable) crWinPtr->port;
 | 
						|
        } else {
 | 
						|
            newPort = NULL;
 | 
						|
        }
 | 
						|
 | 
						|
        if (newPort) {
 | 
						|
            // FIXME: won't be a CGrafPtr if currently offscreen or fullscreen
 | 
						|
            AGLDrawable oldPort = aglGetDrawable(gc->ctx);
 | 
						|
            // AGLDrawable newPort = GetWindowPort(window);
 | 
						|
 | 
						|
            // Frame is GLdrawable in X11 global coordinates
 | 
						|
            // FIXME: Does this work for multiple screens?
 | 
						|
            GLint frame[4] = {glPriv->xOrigin, glPriv->yOrigin, glPriv->width, glPriv->height};
 | 
						|
            GLAQUA_DEBUG_MSG("global size %d %d %d %d\n",
 | 
						|
                             frame[0], frame[1], frame[2], frame[3]);
 | 
						|
 | 
						|
            // Convert to window-local coordinates
 | 
						|
            frame[0] -= topWin->drawable.x - topWin->borderWidth;
 | 
						|
            frame[1] -= topWin->drawable.y - topWin->borderWidth;
 | 
						|
 | 
						|
            // AGL uses flipped coordinates
 | 
						|
            frame[1] = topWin->drawable.height + 2*topWin->borderWidth -
 | 
						|
                       frame[1] - frame[3];
 | 
						|
 | 
						|
            GLAQUA_DEBUG_MSG("local size %d %d %d %d\n",
 | 
						|
                             frame[0], frame[1], frame[2], frame[3]);
 | 
						|
 | 
						|
            if (oldPort != newPort) {
 | 
						|
                // FIXME: retain/release windows
 | 
						|
                if (!aglSetDrawable(gc->ctx, newPort)) return;
 | 
						|
            }
 | 
						|
            if (!aglSetInteger(gc->ctx, AGL_BUFFER_RECT, frame)) return;
 | 
						|
            if (!aglEnable(gc->ctx, AGL_BUFFER_RECT)) return;
 | 
						|
            if (!aglSetInteger(gc->ctx, AGL_SWAP_RECT, frame)) return;
 | 
						|
            if (!aglEnable(gc->ctx, AGL_SWAP_RECT)) return;
 | 
						|
            if (!aglUpdateContext(gc->ctx)) return;
 | 
						|
 | 
						|
            gc->isAttached = TRUE;
 | 
						|
            GLAQUA_DEBUG_MSG("attached context 0x%x to window 0x%x\n", gc->ctx,
 | 
						|
                             pWin->drawable.id);
 | 
						|
        } else {
 | 
						|
            // attach to not-yet-realized window - will really attach later
 | 
						|
            GLAQUA_DEBUG_MSG("couldn't attach to unrealized window\n");
 | 
						|
            aglSetDrawable(gc->ctx, NULL);
 | 
						|
            gc->isAttached = FALSE;
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        GLAQUA_DEBUG_MSG("attach: attach to non-window unimplemented\n");
 | 
						|
        aglSetDrawable(gc->ctx, NULL);
 | 
						|
        gc->isAttached = FALSE;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static GLboolean glAquaMakeCurrent(__GLcontext *gc)
 | 
						|
{
 | 
						|
    __GLdrawablePrivate *glPriv = gc->interface.imports.getDrawablePrivate(gc);
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaMakeCurrent (ctx 0x%x)\n", gc->ctx);
 | 
						|
 | 
						|
    if (!gc->isAttached) {
 | 
						|
        attach(gc, glPriv);
 | 
						|
    }
 | 
						|
 | 
						|
    return aglSetCurrentContext(gc->ctx);
 | 
						|
}
 | 
						|
 | 
						|
static GLboolean glAquaShareContext(__GLcontext *gc, __GLcontext *gcShare)
 | 
						|
{
 | 
						|
  GLAQUA_DEBUG_MSG("glAquaShareContext unimplemented\n");
 | 
						|
 | 
						|
  return GL_TRUE;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static GLboolean glAquaCopyContext(__GLcontext *dst, const __GLcontext *src,
 | 
						|
                                   GLuint mask)
 | 
						|
{
 | 
						|
  GLAQUA_DEBUG_MSG("glAquaCopyContext\n");
 | 
						|
 | 
						|
    return aglCopyContext(src->ctx, dst->ctx, mask);
 | 
						|
}
 | 
						|
 | 
						|
static GLboolean glAquaForceCurrent(__GLcontext *gc)
 | 
						|
{
 | 
						|
    //     GLAQUA_DEBUG_MSG("glAquaForceCurrent (ctx 0x%x)\n", gc->ctx);
 | 
						|
    return aglSetCurrentContext(gc->ctx);
 | 
						|
}
 | 
						|
 | 
						|
/* Drawing surface notification callbacks */
 | 
						|
 | 
						|
static GLboolean glAquaNotifyResize(__GLcontext *gc)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("unimplemented glAquaNotifyResize");
 | 
						|
    return GL_TRUE;
 | 
						|
}
 | 
						|
 | 
						|
static void glAquaNotifyDestroy(__GLcontext *gc)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("unimplemented glAquaNotifyDestroy");
 | 
						|
}
 | 
						|
 | 
						|
static void glAquaNotifySwapBuffers(__GLcontext *gc)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("unimplemented glAquaNotifySwapBuffers");
 | 
						|
}
 | 
						|
 | 
						|
/* Dispatch table override control for external agents like libGLS */
 | 
						|
static struct __GLdispatchStateRec* glAquaDispatchExec(__GLcontext *gc)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("unimplemented glAquaDispatchExec");
 | 
						|
    return NULL;
 | 
						|
}
 | 
						|
 | 
						|
static void glAquaBeginDispatchOverride(__GLcontext *gc)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("unimplemented glAquaBeginDispatchOverride");
 | 
						|
}
 | 
						|
 | 
						|
static void glAquaEndDispatchOverride(__GLcontext *gc)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("unimplemented glAquaEndDispatchOverride");
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static AGLPixelFormat makeFormat(__GLcontextModes *mode)
 | 
						|
{
 | 
						|
    int i;
 | 
						|
    GLint attr[64]; // currently uses max of 30
 | 
						|
    AGLPixelFormat result;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("makeFormat\n");
 | 
						|
 | 
						|
    i = 0;
 | 
						|
 | 
						|
    // attr [i++] = AGL_ACCELERATED; // require hwaccel - BAD for multiscreen
 | 
						|
    // attr [i++] = AGL_NO_RECOVERY; // disable fallback renderers - BAD
 | 
						|
 | 
						|
    if (mode->stereoMode) {
 | 
						|
        attr[i++] = AGL_STEREO;
 | 
						|
    }
 | 
						|
    if (mode->doubleBufferMode) {
 | 
						|
        attr[i++] = AGL_DOUBLEBUFFER;
 | 
						|
    }
 | 
						|
 | 
						|
    if (mode->colorIndexMode) {
 | 
						|
        attr[i++] = AGL_BUFFER_SIZE;
 | 
						|
        attr[i++] = mode->indexBits;
 | 
						|
    }
 | 
						|
 | 
						|
    if (mode->rgbMode) {
 | 
						|
        attr[i++] = AGL_RGBA;
 | 
						|
        attr[i++] = AGL_RED_SIZE;
 | 
						|
        attr[i++] = mode->redBits;
 | 
						|
        attr[i++] = AGL_GREEN_SIZE;
 | 
						|
        attr[i++] = mode->greenBits;
 | 
						|
        attr[i++] = AGL_BLUE_SIZE;
 | 
						|
        attr[i++] = mode->blueBits;
 | 
						|
        attr[i++] = AGL_ALPHA_SIZE;
 | 
						|
        attr[i++] = mode->alphaBits;
 | 
						|
    }
 | 
						|
 | 
						|
    if (mode->haveAccumBuffer) {
 | 
						|
        attr[i++] = AGL_ACCUM_RED_SIZE;
 | 
						|
        attr[i++] = mode->accumRedBits;
 | 
						|
        attr[i++] = AGL_ACCUM_GREEN_SIZE;
 | 
						|
        attr[i++] = mode->accumGreenBits;
 | 
						|
        attr[i++] = AGL_ACCUM_BLUE_SIZE;
 | 
						|
        attr[i++] = mode->accumBlueBits;
 | 
						|
        attr[i++] = AGL_ACCUM_ALPHA_SIZE;
 | 
						|
        attr[i++] = mode->accumAlphaBits;
 | 
						|
    }
 | 
						|
    if (mode->haveDepthBuffer) {
 | 
						|
        attr[i++] = AGL_DEPTH_SIZE;
 | 
						|
        attr[i++] = mode->depthBits;
 | 
						|
    }
 | 
						|
    if (mode->haveStencilBuffer) {
 | 
						|
        attr[i++] = AGL_STENCIL_SIZE;
 | 
						|
        attr[i++] = mode->stencilBits;
 | 
						|
    }
 | 
						|
 | 
						|
    attr[i++] = AGL_AUX_BUFFERS;
 | 
						|
    attr[i++] = mode->numAuxBuffers;
 | 
						|
 | 
						|
    attr[i++] = AGL_LEVEL;
 | 
						|
    attr[i++] = mode->level;
 | 
						|
 | 
						|
    // mode->pixmapMode ?
 | 
						|
 | 
						|
    attr[i++] = AGL_NONE; // end of option list
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("makeFormat almost done\n");
 | 
						|
    result = aglChoosePixelFormat(NULL, 0, attr);
 | 
						|
    GLAQUA_DEBUG_MSG("makeFormat done (0x%x)\n", result);
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
static __GLinterface *glAquaCreateContext(__GLimports *imports,
 | 
						|
                                          __GLcontextModes *mode,
 | 
						|
                                          __GLinterface *shareGC)
 | 
						|
{
 | 
						|
    __GLcontext *result;
 | 
						|
    __GLcontext *sharectx = (__GLcontext *)shareGC;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaCreateContext\n");
 | 
						|
 | 
						|
    result = (__GLcontext *)calloc(1, sizeof(__GLcontext));
 | 
						|
    if (!result) return NULL;
 | 
						|
 | 
						|
    result->interface.imports = *imports;
 | 
						|
    result->interface.exports = glAquaExports;
 | 
						|
 | 
						|
    result->pixelFormat = makeFormat(mode);
 | 
						|
    if (!result->pixelFormat) {
 | 
						|
        free(result);
 | 
						|
        return NULL;
 | 
						|
    }
 | 
						|
 | 
						|
    result->ctx = aglCreateContext(result->pixelFormat,
 | 
						|
                        (sharectx && sharectx->ctx) ? sharectx->ctx : NULL);
 | 
						|
 | 
						|
    if (!result->ctx) {
 | 
						|
        aglDestroyPixelFormat(result->pixelFormat);
 | 
						|
        free(result);
 | 
						|
        return NULL;
 | 
						|
    }
 | 
						|
 | 
						|
    result->isAttached = FALSE;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaCreateContext done\n");
 | 
						|
    return (__GLinterface *)result;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
Bool
 | 
						|
glAquaRealizeWindow(WindowPtr pWin)
 | 
						|
{
 | 
						|
    // If this window has GL contexts, tell them to reattach
 | 
						|
    Bool result;
 | 
						|
    ScreenPtr pScreen = pWin->drawable.pScreen;
 | 
						|
    glAquaScreenRec *screenPriv = &glAquaScreens[pScreen->myNum];
 | 
						|
    __GLXdrawablePrivate *glxPriv;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaRealizeWindow\n");
 | 
						|
 | 
						|
    // Allow the window to be created (RootlessRealizeWindow is inside our wrap)
 | 
						|
    pScreen->RealizeWindow = screenPriv->RealizeWindow;
 | 
						|
    result = pScreen->RealizeWindow(pWin);
 | 
						|
    pScreen->RealizeWindow = glAquaRealizeWindow;
 | 
						|
 | 
						|
    // The Aqua window will already have been created (windows are
 | 
						|
    // realized from top down)
 | 
						|
 | 
						|
    // Re-attach this window's GL contexts, if any.
 | 
						|
    glxPriv = __glXFindDrawablePrivate(pWin->drawable.id);
 | 
						|
    if (glxPriv) {
 | 
						|
        __GLXcontext *gx;
 | 
						|
        __GLcontext *gc;
 | 
						|
        __GLdrawablePrivate *glPriv = &glxPriv->glPriv;
 | 
						|
        GLAQUA_DEBUG_MSG("glAquaRealizeWindow is GL drawable!\n");
 | 
						|
 | 
						|
        // GL contexts bound to this window for drawing
 | 
						|
        for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->nextDrawPriv) {
 | 
						|
            gc = (__GLcontext *)gx->gc;
 | 
						|
            attach(gc, glPriv);
 | 
						|
        }
 | 
						|
 | 
						|
        // GL contexts bound to this window for reading
 | 
						|
        for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->nextReadPriv) {
 | 
						|
            gc = (__GLcontext *)gx->gc;
 | 
						|
            attach(gc, glPriv);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
Bool
 | 
						|
glAquaUnrealizeWindow(WindowPtr pWin)
 | 
						|
{
 | 
						|
    // If this window has GL contexts, tell them to unattach
 | 
						|
    Bool result;
 | 
						|
    ScreenPtr pScreen = pWin->drawable.pScreen;
 | 
						|
    glAquaScreenRec *screenPriv = &glAquaScreens[pScreen->myNum];
 | 
						|
    __GLXdrawablePrivate *glxPriv;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaUnrealizeWindow\n");
 | 
						|
 | 
						|
    // The Aqua window may have already been destroyed (windows
 | 
						|
    // are unrealized from top down)
 | 
						|
 | 
						|
    // Unattach this window's GL contexts, if any.
 | 
						|
    glxPriv = __glXFindDrawablePrivate(pWin->drawable.id);
 | 
						|
    if (glxPriv) {
 | 
						|
        __GLXcontext *gx;
 | 
						|
        __GLcontext *gc;
 | 
						|
        GLAQUA_DEBUG_MSG("glAquaUnealizeWindow is GL drawable!\n");
 | 
						|
 | 
						|
        // GL contexts bound to this window for drawing
 | 
						|
        for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->nextDrawPriv) {
 | 
						|
            gc = (__GLcontext *)gx->gc;
 | 
						|
            attach(gc, NULL);
 | 
						|
        }
 | 
						|
 | 
						|
        // GL contexts bound to this window for reading
 | 
						|
        for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->nextReadPriv) {
 | 
						|
            gc = (__GLcontext *)gx->gc;
 | 
						|
            attach(gc, NULL);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    pScreen->UnrealizeWindow = screenPriv->UnrealizeWindow;
 | 
						|
    result = pScreen->UnrealizeWindow(pWin);
 | 
						|
    pScreen->UnrealizeWindow = glAquaUnrealizeWindow;
 | 
						|
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
// Originally copied from Mesa
 | 
						|
 | 
						|
static int                 numConfigs     = 0;
 | 
						|
static __GLXvisualConfig  *visualConfigs  = NULL;
 | 
						|
static void              **visualPrivates = NULL;
 | 
						|
 | 
						|
/*
 | 
						|
 * In the case the driver defines no GLX visuals we'll use these.
 | 
						|
 * Note that for TrueColor and DirectColor visuals, bufferSize is the 
 | 
						|
 * sum of redSize, greenSize, blueSize and alphaSize, which may be larger 
 | 
						|
 * than the nplanes/rootDepth of the server's X11 visuals
 | 
						|
 */
 | 
						|
#define NUM_FALLBACK_CONFIGS 5
 | 
						|
static __GLXvisualConfig FallbackConfigs[NUM_FALLBACK_CONFIGS] = {
 | 
						|
  /* [0] = RGB, double buffered, Z */
 | 
						|
  {
 | 
						|
    -1,                 /* vid */
 | 
						|
    -1,                 /* class */
 | 
						|
    True,               /* rgba */
 | 
						|
    -1, -1, -1, 0,      /* rgba sizes */
 | 
						|
    -1, -1, -1, 0,      /* rgba masks */
 | 
						|
     0,  0,  0, 0,      /* rgba accum sizes */
 | 
						|
    True,               /* doubleBuffer */
 | 
						|
    False,              /* stereo */
 | 
						|
    -1,                 /* bufferSize */
 | 
						|
    16,                 /* depthSize */
 | 
						|
    0,                  /* stencilSize */
 | 
						|
    0,                  /* auxBuffers */
 | 
						|
    0,                  /* level */
 | 
						|
    GLX_NONE,           /* visualRating */
 | 
						|
    GLX_NONE,           /* transparentPixel */
 | 
						|
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
 | 
						|
    0                   /* transparentIndex */
 | 
						|
  },
 | 
						|
  /* [1] = RGB, double buffered, Z, stencil, accum */
 | 
						|
  {
 | 
						|
    -1,                 /* vid */
 | 
						|
    -1,                 /* class */
 | 
						|
    True,               /* rgba */
 | 
						|
    -1, -1, -1, 0,      /* rgba sizes */
 | 
						|
    -1, -1, -1, 0,      /* rgba masks */
 | 
						|
    16, 16, 16, 0,      /* rgba accum sizes */
 | 
						|
    True,               /* doubleBuffer */
 | 
						|
    False,              /* stereo */
 | 
						|
    -1,                 /* bufferSize */
 | 
						|
    16,                 /* depthSize */
 | 
						|
    8,                  /* stencilSize */
 | 
						|
    0,                  /* auxBuffers */
 | 
						|
    0,                  /* level */
 | 
						|
    GLX_NONE,           /* visualRating */
 | 
						|
    GLX_NONE,           /* transparentPixel */
 | 
						|
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
 | 
						|
    0                   /* transparentIndex */
 | 
						|
  },
 | 
						|
  /* [2] = RGB+Alpha, double buffered, Z, stencil, accum */
 | 
						|
  {
 | 
						|
    -1,                 /* vid */
 | 
						|
    -1,                 /* class */
 | 
						|
    True,               /* rgba */
 | 
						|
    -1, -1, -1, 8,      /* rgba sizes */
 | 
						|
    -1, -1, -1, -1,     /* rgba masks */
 | 
						|
    16, 16, 16, 16,     /* rgba accum sizes */
 | 
						|
    True,               /* doubleBuffer */
 | 
						|
    False,              /* stereo */
 | 
						|
    -1,                 /* bufferSize */
 | 
						|
    16,                 /* depthSize */
 | 
						|
    8,                  /* stencilSize */
 | 
						|
    0,                  /* auxBuffers */
 | 
						|
    0,                  /* level */
 | 
						|
    GLX_NONE,           /* visualRating */
 | 
						|
    GLX_NONE,           /* transparentPixel */
 | 
						|
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
 | 
						|
    0                   /* transparentIndex */
 | 
						|
  },
 | 
						|
  /* [3] = RGB+Alpha, single buffered, Z, stencil, accum */
 | 
						|
  {
 | 
						|
    -1,                 /* vid */
 | 
						|
    -1,                 /* class */
 | 
						|
    True,               /* rgba */
 | 
						|
    -1, -1, -1, 8,      /* rgba sizes */
 | 
						|
    -1, -1, -1, -1,     /* rgba masks */
 | 
						|
    16, 16, 16, 16,     /* rgba accum sizes */
 | 
						|
    False,              /* doubleBuffer */
 | 
						|
    False,              /* stereo */
 | 
						|
    -1,                 /* bufferSize */
 | 
						|
    16,                 /* depthSize */
 | 
						|
    8,                  /* stencilSize */
 | 
						|
    0,                  /* auxBuffers */
 | 
						|
    0,                  /* level */
 | 
						|
    GLX_NONE,           /* visualRating */
 | 
						|
    GLX_NONE,           /* transparentPixel */
 | 
						|
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
 | 
						|
    0                   /* transparentIndex */
 | 
						|
  },
 | 
						|
  /* [4] = CI, double buffered, Z */
 | 
						|
  {
 | 
						|
    -1,                 /* vid */
 | 
						|
    -1,                 /* class */
 | 
						|
    False,              /* rgba? (false = color index) */
 | 
						|
    -1, -1, -1, 0,      /* rgba sizes */
 | 
						|
    -1, -1, -1, 0,      /* rgba masks */
 | 
						|
     0,  0,  0, 0,      /* rgba accum sizes */
 | 
						|
    True,               /* doubleBuffer */
 | 
						|
    False,              /* stereo */
 | 
						|
    -1,                 /* bufferSize */
 | 
						|
    16,                 /* depthSize */
 | 
						|
    0,                  /* stencilSize */
 | 
						|
    0,                  /* auxBuffers */
 | 
						|
    0,                  /* level */
 | 
						|
    GLX_NONE,           /* visualRating */
 | 
						|
    GLX_NONE,           /* transparentPixel */
 | 
						|
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
 | 
						|
    0                   /* transparentIndex */
 | 
						|
  },
 | 
						|
};
 | 
						|
 | 
						|
static __GLXvisualConfig NullConfig = {
 | 
						|
    -1,                 /* vid */
 | 
						|
    -1,                 /* class */
 | 
						|
    False,              /* rgba */
 | 
						|
    -1, -1, -1, 0,      /* rgba sizes */
 | 
						|
    -1, -1, -1, 0,      /* rgba masks */
 | 
						|
     0,  0,  0, 0,      /* rgba accum sizes */
 | 
						|
    False,              /* doubleBuffer */
 | 
						|
    False,              /* stereo */
 | 
						|
    -1,                 /* bufferSize */
 | 
						|
    16,                 /* depthSize */
 | 
						|
    0,                  /* stencilSize */
 | 
						|
    0,                  /* auxBuffers */
 | 
						|
    0,                  /* level */
 | 
						|
    GLX_NONE_EXT,       /* visualRating */
 | 
						|
    0,                  /* transparentPixel */
 | 
						|
    0, 0, 0, 0,         /* transparent rgba color (floats scaled to ints) */
 | 
						|
    0                   /* transparentIndex */
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
static int count_bits(unsigned int n)
 | 
						|
{
 | 
						|
   int bits = 0;
 | 
						|
 | 
						|
   while (n > 0) {
 | 
						|
      if (n & 1) bits++;
 | 
						|
      n >>= 1;
 | 
						|
   }
 | 
						|
   return bits;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static Bool init_visuals(int *nvisualp, VisualPtr *visualp,
 | 
						|
                         VisualID *defaultVisp,
 | 
						|
                         int ndepth, DepthPtr pdepth,
 | 
						|
                         int rootDepth)
 | 
						|
{
 | 
						|
    int numRGBconfigs;
 | 
						|
    int numCIconfigs;
 | 
						|
    int numVisuals = *nvisualp;
 | 
						|
    int numNewVisuals;
 | 
						|
    int numNewConfigs;
 | 
						|
    VisualPtr pVisual = *visualp;
 | 
						|
    VisualPtr pVisualNew = NULL;
 | 
						|
    VisualID *orig_vid = NULL;
 | 
						|
    __GLcontextModes *modes;
 | 
						|
    __GLXvisualConfig *pNewVisualConfigs = NULL;
 | 
						|
    void **glXVisualPriv;
 | 
						|
    void **pNewVisualPriv;
 | 
						|
    int found_default;
 | 
						|
    int i, j, k;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("init_visuals\n");
 | 
						|
 | 
						|
    if (numConfigs > 0)
 | 
						|
        numNewConfigs = numConfigs;
 | 
						|
    else
 | 
						|
        numNewConfigs = NUM_FALLBACK_CONFIGS;
 | 
						|
 | 
						|
    /* Alloc space for the list of new GLX visuals */
 | 
						|
    pNewVisualConfigs = (__GLXvisualConfig *)
 | 
						|
                     __glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig));
 | 
						|
    if (!pNewVisualConfigs) {
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Alloc space for the list of new GLX visual privates */
 | 
						|
    pNewVisualPriv = (void **) __glXMalloc(numNewConfigs * sizeof(void *));
 | 
						|
    if (!pNewVisualPriv) {
 | 
						|
        __glXFree(pNewVisualConfigs);
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    /*
 | 
						|
    ** If SetVisualConfigs was not called, then use default GLX
 | 
						|
    ** visual configs.
 | 
						|
    */
 | 
						|
    if (numConfigs == 0) {
 | 
						|
        memcpy(pNewVisualConfigs, FallbackConfigs,
 | 
						|
               NUM_FALLBACK_CONFIGS * sizeof(__GLXvisualConfig));
 | 
						|
        memset(pNewVisualPriv, 0, NUM_FALLBACK_CONFIGS * sizeof(void *));
 | 
						|
    }
 | 
						|
    else {
 | 
						|
        /* copy driver's visual config info */
 | 
						|
        for (i = 0; i < numConfigs; i++) {
 | 
						|
            pNewVisualConfigs[i] = visualConfigs[i];
 | 
						|
            pNewVisualPriv[i] = visualPrivates[i];
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /* Count the number of RGB and CI visual configs */
 | 
						|
    numRGBconfigs = 0;
 | 
						|
    numCIconfigs = 0;
 | 
						|
    for (i = 0; i < numNewConfigs; i++) {
 | 
						|
        if (pNewVisualConfigs[i].rgba)
 | 
						|
            numRGBconfigs++;
 | 
						|
        else
 | 
						|
            numCIconfigs++;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Count the total number of visuals to compute */
 | 
						|
    numNewVisuals = 0;
 | 
						|
    for (i = 0; i < numVisuals; i++) {
 | 
						|
        int count;
 | 
						|
 | 
						|
        count = ((pVisual[i].class == TrueColor ||
 | 
						|
                  pVisual[i].class == DirectColor)
 | 
						|
                ? numRGBconfigs : numCIconfigs);
 | 
						|
        if (count == 0)
 | 
						|
            count = 1;          /* preserve the existing visual */
 | 
						|
 | 
						|
        numNewVisuals += count;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Reset variables for use with the next screen/driver's visual configs */
 | 
						|
    visualConfigs = NULL;
 | 
						|
    numConfigs = 0;
 | 
						|
 | 
						|
    /* Alloc temp space for the list of orig VisualIDs for each new visual */
 | 
						|
    orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID));
 | 
						|
    if (!orig_vid) {
 | 
						|
        __glXFree(pNewVisualPriv);
 | 
						|
        __glXFree(pNewVisualConfigs);
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Alloc space for the list of glXVisuals */
 | 
						|
    modes = _gl_context_modes_create(numNewVisuals, sizeof(__GLcontextModes));
 | 
						|
    if (modes == NULL) {
 | 
						|
        __glXFree(orig_vid);
 | 
						|
        __glXFree(pNewVisualPriv);
 | 
						|
        __glXFree(pNewVisualConfigs);
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Alloc space for the list of glXVisualPrivates */
 | 
						|
    glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *));
 | 
						|
    if (!glXVisualPriv) {
 | 
						|
        _gl_context_modes_destroy( modes );
 | 
						|
        __glXFree(orig_vid);
 | 
						|
        __glXFree(pNewVisualPriv);
 | 
						|
        __glXFree(pNewVisualConfigs);
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Alloc space for the new list of the X server's visuals */
 | 
						|
    pVisualNew = (VisualPtr)__glXMalloc(numNewVisuals * sizeof(VisualRec));
 | 
						|
    if (!pVisualNew) {
 | 
						|
        __glXFree(glXVisualPriv);
 | 
						|
        _gl_context_modes_destroy( modes );
 | 
						|
        __glXFree(orig_vid);
 | 
						|
        __glXFree(pNewVisualPriv);
 | 
						|
        __glXFree(pNewVisualConfigs);
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Initialize the new visuals */
 | 
						|
    found_default = FALSE;
 | 
						|
    glAquaScreens[screenInfo.numScreens-1].modes = modes;
 | 
						|
    for (i = j = 0; i < numVisuals; i++) {
 | 
						|
        int is_rgb = (pVisual[i].class == TrueColor ||
 | 
						|
                  pVisual[i].class == DirectColor);
 | 
						|
 | 
						|
        if (!is_rgb)
 | 
						|
        {
 | 
						|
            /* We don't support non-rgb visuals for GL. But we don't
 | 
						|
               want to remove them either, so just pass them through
 | 
						|
               with null glX configs */
 | 
						|
 | 
						|
            pVisualNew[j] = pVisual[i];
 | 
						|
            pVisualNew[j].vid = FakeClientID(0);
 | 
						|
 | 
						|
            /* Check for the default visual */
 | 
						|
            if (!found_default && pVisual[i].vid == *defaultVisp) {
 | 
						|
                *defaultVisp = pVisualNew[j].vid;
 | 
						|
                found_default = TRUE;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Save the old VisualID */
 | 
						|
            orig_vid[j] = pVisual[i].vid;
 | 
						|
 | 
						|
            /* Initialize the glXVisual */
 | 
						|
            _gl_copy_visual_to_context_mode( modes, & NullConfig );
 | 
						|
            modes->visualID = pVisualNew[j].vid;
 | 
						|
 | 
						|
            j++;
 | 
						|
 | 
						|
            continue;
 | 
						|
        }
 | 
						|
 | 
						|
        for (k = 0; k < numNewConfigs; k++) {
 | 
						|
            if (pNewVisualConfigs[k].rgba != is_rgb)
 | 
						|
                continue;
 | 
						|
 | 
						|
            assert( modes != NULL );
 | 
						|
 | 
						|
            /* Initialize the new visual */
 | 
						|
            pVisualNew[j] = pVisual[i];
 | 
						|
            pVisualNew[j].vid = FakeClientID(0);
 | 
						|
 | 
						|
            /* Check for the default visual */
 | 
						|
            if (!found_default && pVisual[i].vid == *defaultVisp) {
 | 
						|
                *defaultVisp = pVisualNew[j].vid;
 | 
						|
                found_default = TRUE;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Save the old VisualID */
 | 
						|
            orig_vid[j] = pVisual[i].vid;
 | 
						|
 | 
						|
            /* Initialize the glXVisual */
 | 
						|
            _gl_copy_visual_to_context_mode( modes, & pNewVisualConfigs[k] );
 | 
						|
            modes->visualID = pVisualNew[j].vid;
 | 
						|
 | 
						|
            /*
 | 
						|
             * If the class is -1, then assume the X visual information
 | 
						|
             * is identical to what GLX needs, and take them from the X
 | 
						|
             * visual.  NOTE: if class != -1, then all other fields MUST
 | 
						|
             * be initialized.
 | 
						|
             */
 | 
						|
            if (modes->visualType == GLX_NONE) {
 | 
						|
                modes->visualType = _gl_convert_from_x_visual_type( pVisual[i].class );
 | 
						|
                modes->redBits    = count_bits(pVisual[i].redMask);
 | 
						|
                modes->greenBits  = count_bits(pVisual[i].greenMask);
 | 
						|
                modes->blueBits   = count_bits(pVisual[i].blueMask);
 | 
						|
                modes->alphaBits  = modes->alphaBits;
 | 
						|
                modes->redMask    = pVisual[i].redMask;
 | 
						|
                modes->greenMask  = pVisual[i].greenMask;
 | 
						|
                modes->blueMask   = pVisual[i].blueMask;
 | 
						|
                modes->alphaMask  = modes->alphaMask;
 | 
						|
                modes->rgbBits = (is_rgb)
 | 
						|
                    ? (modes->redBits + modes->greenBits +
 | 
						|
                       modes->blueBits + modes->alphaBits)
 | 
						|
                    : rootDepth;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Save the device-dependent private for this visual */
 | 
						|
            glXVisualPriv[j] = pNewVisualPriv[k];
 | 
						|
 | 
						|
            j++;
 | 
						|
            modes = modes->next;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    assert(j <= numNewVisuals);
 | 
						|
 | 
						|
    /* Save the GLX visuals in the screen structure */
 | 
						|
    glAquaScreens[screenInfo.numScreens-1].num_vis = numNewVisuals;
 | 
						|
    glAquaScreens[screenInfo.numScreens-1].priv = glXVisualPriv;
 | 
						|
 | 
						|
    /* Set up depth's VisualIDs */
 | 
						|
    for (i = 0; i < ndepth; i++) {
 | 
						|
        int numVids = 0;
 | 
						|
        VisualID *pVids = NULL;
 | 
						|
        int k, n = 0;
 | 
						|
 | 
						|
        /* Count the new number of VisualIDs at this depth */
 | 
						|
        for (j = 0; j < pdepth[i].numVids; j++)
 | 
						|
            for (k = 0; k < numNewVisuals; k++)
 | 
						|
            if (pdepth[i].vids[j] == orig_vid[k])
 | 
						|
                numVids++;
 | 
						|
 | 
						|
        /* Allocate a new list of VisualIDs for this depth */
 | 
						|
        pVids = (VisualID *)__glXMalloc(numVids * sizeof(VisualID));
 | 
						|
 | 
						|
        /* Initialize the new list of VisualIDs for this depth */
 | 
						|
        for (j = 0; j < pdepth[i].numVids; j++)
 | 
						|
            for (k = 0; k < numNewVisuals; k++)
 | 
						|
            if (pdepth[i].vids[j] == orig_vid[k])
 | 
						|
                pVids[n++] = pVisualNew[k].vid;
 | 
						|
 | 
						|
        /* Update this depth's list of VisualIDs */
 | 
						|
        __glXFree(pdepth[i].vids);
 | 
						|
        pdepth[i].vids = pVids;
 | 
						|
        pdepth[i].numVids = numVids;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Update the X server's visuals */
 | 
						|
    *nvisualp = numNewVisuals;
 | 
						|
    *visualp = pVisualNew;
 | 
						|
 | 
						|
    /* Free the old list of the X server's visuals */
 | 
						|
    __glXFree(pVisual);
 | 
						|
 | 
						|
    /* Clean up temporary allocations */
 | 
						|
    __glXFree(orig_vid);
 | 
						|
    __glXFree(pNewVisualPriv);
 | 
						|
    __glXFree(pNewVisualConfigs);
 | 
						|
 | 
						|
    /* Free the private list created by DDX HW driver */
 | 
						|
    if (visualPrivates)
 | 
						|
        xfree(visualPrivates);
 | 
						|
    visualPrivates = NULL;
 | 
						|
 | 
						|
    return TRUE;
 | 
						|
}
 | 
						|
 | 
						|
/* based on code in i830_dri.c
 | 
						|
   This ends calling glAquaSetVisualConfigs to set the static
 | 
						|
   numconfigs, etc. */
 | 
						|
static void
 | 
						|
glAquaInitVisualConfigs(void)
 | 
						|
{
 | 
						|
    int                 lclNumConfigs     = 0;
 | 
						|
    __GLXvisualConfig  *lclVisualConfigs  = NULL;
 | 
						|
    void              **lclVisualPrivates = NULL;
 | 
						|
 | 
						|
    int depth, aux, buffers, stencil, accum;
 | 
						|
    int i = 0;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaInitVisualConfigs ");
 | 
						|
 | 
						|
    /* count num configs:
 | 
						|
        2 Z buffer (0, 24 bit)
 | 
						|
        2 AUX buffer (0, 2)
 | 
						|
        2 buffers (single, double)
 | 
						|
        2 stencil (0, 8 bit)
 | 
						|
        2 accum (0, 64 bit)
 | 
						|
        = 32 configs */
 | 
						|
 | 
						|
    lclNumConfigs = 2 * 2 * 2 * 2 * 2; /* 32 */
 | 
						|
 | 
						|
    /* alloc */
 | 
						|
    lclVisualConfigs = xcalloc(sizeof(__GLXvisualConfig), lclNumConfigs);
 | 
						|
    lclVisualPrivates = xcalloc(sizeof(void *), lclNumConfigs);
 | 
						|
 | 
						|
    /* fill in configs */
 | 
						|
    if (NULL != lclVisualConfigs) {
 | 
						|
        i = 0; /* current buffer */
 | 
						|
        for (depth = 0; depth < 2; depth++) {
 | 
						|
            for (aux = 0; aux < 2; aux++) {
 | 
						|
                for (buffers = 0; buffers < 2; buffers++) {
 | 
						|
                    for (stencil = 0; stencil < 2; stencil++) {
 | 
						|
                        for (accum = 0; accum < 2; accum++) {
 | 
						|
                            lclVisualConfigs[i].vid = -1;
 | 
						|
                            lclVisualConfigs[i].class = -1;
 | 
						|
                            lclVisualConfigs[i].rgba = TRUE;
 | 
						|
                            lclVisualConfigs[i].redSize = -1;
 | 
						|
                            lclVisualConfigs[i].greenSize = -1;
 | 
						|
                            lclVisualConfigs[i].blueSize = -1;
 | 
						|
                            lclVisualConfigs[i].redMask = -1;
 | 
						|
                            lclVisualConfigs[i].greenMask = -1;
 | 
						|
                            lclVisualConfigs[i].blueMask = -1;
 | 
						|
                            lclVisualConfigs[i].alphaMask = 0;
 | 
						|
                            if (accum) {
 | 
						|
                                lclVisualConfigs[i].accumRedSize = 16;
 | 
						|
                                lclVisualConfigs[i].accumGreenSize = 16;
 | 
						|
                                lclVisualConfigs[i].accumBlueSize = 16;
 | 
						|
                                lclVisualConfigs[i].accumAlphaSize = 16;
 | 
						|
                            }
 | 
						|
                            else {
 | 
						|
                                lclVisualConfigs[i].accumRedSize = 0;
 | 
						|
                                lclVisualConfigs[i].accumGreenSize = 0;
 | 
						|
                                lclVisualConfigs[i].accumBlueSize = 0;
 | 
						|
                                lclVisualConfigs[i].accumAlphaSize = 0;
 | 
						|
                            }
 | 
						|
                            lclVisualConfigs[i].doubleBuffer = buffers ? TRUE : FALSE;
 | 
						|
                            lclVisualConfigs[i].stereo = FALSE;
 | 
						|
                            lclVisualConfigs[i].bufferSize = -1;
 | 
						|
 | 
						|
                            lclVisualConfigs[i].depthSize = depth? 24 : 0;
 | 
						|
                            lclVisualConfigs[i].stencilSize = stencil ? 8 : 0;
 | 
						|
                            lclVisualConfigs[i].auxBuffers = aux ? 2 : 0;
 | 
						|
                            lclVisualConfigs[i].level = 0;
 | 
						|
                            lclVisualConfigs[i].visualRating = GLX_NONE_EXT;
 | 
						|
                            lclVisualConfigs[i].transparentPixel = 0;
 | 
						|
                            lclVisualConfigs[i].transparentRed = 0;
 | 
						|
                            lclVisualConfigs[i].transparentGreen = 0;
 | 
						|
                            lclVisualConfigs[i].transparentBlue = 0;
 | 
						|
                            lclVisualConfigs[i].transparentAlpha = 0;
 | 
						|
                            lclVisualConfigs[i].transparentIndex = 0;
 | 
						|
                            i++;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    if (i != lclNumConfigs)
 | 
						|
        GLAQUA_DEBUG_MSG("glAquaInitVisualConfigs failed to alloc visual configs");
 | 
						|
 | 
						|
    GlxSetVisualConfigs(lclNumConfigs, lclVisualConfigs, lclVisualPrivates);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static void glAquaSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
 | 
						|
                                   void **privates)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaSetVisualConfigs\n");
 | 
						|
 | 
						|
    numConfigs = nconfigs;
 | 
						|
    visualConfigs = configs;
 | 
						|
    visualPrivates = privates;
 | 
						|
}
 | 
						|
 | 
						|
static Bool glAquaInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
 | 
						|
                              int *nvisualp, int *ndepthp,
 | 
						|
                              int *rootDepthp, VisualID *defaultVisp,
 | 
						|
                              unsigned long sizes, int bitsPerRGB)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaInitVisuals\n");
 | 
						|
 | 
						|
    if (numConfigs == 0) /* if no configs */
 | 
						|
        glAquaInitVisualConfigs(); /* ensure the visual configs are setup */
 | 
						|
 | 
						|
    /*
 | 
						|
     * Setup the visuals supported by this particular screen.
 | 
						|
     */
 | 
						|
    return init_visuals(nvisualp, visualp, defaultVisp,
 | 
						|
                        *ndepthp, *depthp, *rootDepthp);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static void fixup_visuals(int screen)
 | 
						|
{
 | 
						|
    ScreenPtr pScreen = screenInfo.screens[screen];
 | 
						|
    glAquaScreenRec *pScr = &glAquaScreens[screen];
 | 
						|
    int j;
 | 
						|
    __GLcontextModes *modes;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("fixup_visuals\n");
 | 
						|
 | 
						|
    for ( modes = pScr->modes ; modes != NULL ; modes = modes->next ) {
 | 
						|
        const int vis_class = _gl_convert_to_x_visual_type( modes->visualType );
 | 
						|
        const int nplanes = (modes->rgbBits - modes->alphaBits);
 | 
						|
        const VisualPtr pVis = pScreen->visuals;
 | 
						|
 | 
						|
        /* Find a visual that matches the GLX visual's class and size */
 | 
						|
        for (j = 0; j < pScreen->numVisuals; j++) {
 | 
						|
            if (pVis[j].class == vis_class &&
 | 
						|
            pVis[j].nplanes == nplanes) {
 | 
						|
 | 
						|
            /* Fixup the masks */
 | 
						|
            modes->redMask   = pVis[j].redMask;
 | 
						|
            modes->greenMask = pVis[j].greenMask;
 | 
						|
            modes->blueMask  = pVis[j].blueMask;
 | 
						|
 | 
						|
            /* Recalc the sizes */
 | 
						|
            modes->redBits   = count_bits(modes->redMask);
 | 
						|
            modes->greenBits = count_bits(modes->greenMask);
 | 
						|
            modes->blueBits  = count_bits(modes->blueMask);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void init_screen_visuals(int screen)
 | 
						|
{
 | 
						|
    ScreenPtr pScreen = screenInfo.screens[screen];
 | 
						|
    __GLcontextModes *modes;
 | 
						|
    int *used;
 | 
						|
    int i, j;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("init_screen_visuals\n");
 | 
						|
 | 
						|
    /* FIXME: Change 'used' to be a array of bits (rather than of ints),
 | 
						|
     * FIXME: create a stack array of 8 or 16 bytes.  If 'numVisuals' is less
 | 
						|
     * FIXME: than 64 or 128 the stack array can be used instead of calling
 | 
						|
     * FIXME: __glXMalloc / __glXFree.  If nothing else, convert 'used' to
 | 
						|
     * FIXME: array of bytes instead of ints!
 | 
						|
     */
 | 
						|
    used = (int *)__glXMalloc(pScreen->numVisuals * sizeof(int));
 | 
						|
    __glXMemset(used, 0, pScreen->numVisuals * sizeof(int));
 | 
						|
 | 
						|
    i = 0;
 | 
						|
    for ( modes = glAquaScreens[screen].modes 
 | 
						|
          ; modes != NULL
 | 
						|
          ; modes = modes->next ) {
 | 
						|
        const int vis_class = _gl_convert_to_x_visual_type( modes->visualType );
 | 
						|
        const int nplanes = (modes->rgbBits - modes->alphaBits);
 | 
						|
        const VisualPtr pVis = pScreen->visuals;
 | 
						|
 | 
						|
        for (j = 0; j < pScreen->numVisuals; j++) {
 | 
						|
            if (pVis[j].class     == vis_class &&
 | 
						|
                pVis[j].nplanes   == nplanes &&
 | 
						|
                pVis[j].redMask   == modes->redMask &&
 | 
						|
                pVis[j].greenMask == modes->greenMask &&
 | 
						|
                pVis[j].blueMask  == modes->blueMask &&
 | 
						|
                !used[j]) {
 | 
						|
 | 
						|
                    /* Set the VisualID */
 | 
						|
                    modes->visualID = pVis[j].vid;
 | 
						|
 | 
						|
                    /* Mark this visual used */
 | 
						|
                    used[j] = 1;
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if ( j == pScreen->numVisuals ) {
 | 
						|
            ErrorF("No matching visual for __GLcontextMode with "
 | 
						|
                   "visual class = %d (%d), nplanes = %u\n",
 | 
						|
                   vis_class, 
 | 
						|
                   (int)modes->visualType,
 | 
						|
                   (unsigned int)(modes->rgbBits - modes->alphaBits) );
 | 
						|
        }
 | 
						|
        else if ( modes->visualID == -1 ) {
 | 
						|
            FatalError( "Matching visual found, but visualID still -1!\n" );
 | 
						|
        }
 | 
						|
 | 
						|
        i++;
 | 
						|
    }
 | 
						|
 | 
						|
    __glXFree(used);
 | 
						|
}
 | 
						|
 | 
						|
static Bool glAquaScreenProbe(int screen)
 | 
						|
{
 | 
						|
    ScreenPtr pScreen;
 | 
						|
    glAquaScreenRec *screenPriv;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaScreenProbe\n");
 | 
						|
 | 
						|
    /*
 | 
						|
     * Set up the current screen's visuals.
 | 
						|
     */
 | 
						|
    __glDDXScreenInfo.modes = glAquaScreens[screen].modes;
 | 
						|
    __glDDXScreenInfo.pVisualPriv = glAquaScreens[screen].priv;
 | 
						|
    __glDDXScreenInfo.numVisuals =
 | 
						|
        __glDDXScreenInfo.numUsableVisuals = glAquaScreens[screen].num_vis;
 | 
						|
 | 
						|
    /*
 | 
						|
     * Set the current screen's createContext routine.  This could be
 | 
						|
     * wrapped by a DDX GLX context creation routine.
 | 
						|
     */
 | 
						|
    __glDDXScreenInfo.createContext = glAquaCreateContext;
 | 
						|
 | 
						|
    /*
 | 
						|
     * The ordering of the rgb compenents might have been changed by the
 | 
						|
     * driver after mi initialized them.
 | 
						|
     */
 | 
						|
    fixup_visuals(screen);
 | 
						|
 | 
						|
    /*
 | 
						|
     * Find the GLX visuals that are supported by this screen and create
 | 
						|
     * XMesa's visuals.
 | 
						|
     */
 | 
						|
    init_screen_visuals(screen);
 | 
						|
 | 
						|
    /*
 | 
						|
     * Wrap RealizeWindow and UnrealizeWindow on this screen
 | 
						|
     */
 | 
						|
    pScreen = screenInfo.screens[screen];
 | 
						|
    screenPriv = &glAquaScreens[screen];
 | 
						|
    screenPriv->RealizeWindow = pScreen->RealizeWindow;
 | 
						|
    pScreen->RealizeWindow = glAquaRealizeWindow;
 | 
						|
    screenPriv->UnrealizeWindow = pScreen->UnrealizeWindow;
 | 
						|
    pScreen->UnrealizeWindow = glAquaUnrealizeWindow;
 | 
						|
 | 
						|
    return TRUE;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static GLboolean glAquaResizeBuffers(__GLdrawableBuffer *buffer,
 | 
						|
                                     GLint x, GLint y,
 | 
						|
                                     GLuint width, GLuint height,
 | 
						|
                                     __GLdrawablePrivate *glPriv,
 | 
						|
                                     GLuint bufferMask)
 | 
						|
{
 | 
						|
    GLAquaDrawableRec *aquaPriv = (GLAquaDrawableRec *)glPriv->private;
 | 
						|
    __GLXdrawablePrivate *glxPriv = (__GLXdrawablePrivate *)glPriv->other;
 | 
						|
    __GLXcontext *gx;
 | 
						|
    __GLcontext *gc;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaResizeBuffers to (%d %d %d %d)\n", x, y, width, height);
 | 
						|
 | 
						|
    // update all contexts that point at this drawable for drawing (hack?)
 | 
						|
    for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->nextDrawPriv) {
 | 
						|
        gc = (__GLcontext *)gx->gc;
 | 
						|
        attach(gc, glPriv);
 | 
						|
    }
 | 
						|
 | 
						|
    // update all contexts that point at this drawable for reading (hack?)
 | 
						|
    for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->nextReadPriv) {
 | 
						|
        gc = (__GLcontext *)gx->gc;
 | 
						|
        attach(gc, glPriv);
 | 
						|
    }
 | 
						|
 | 
						|
    return aquaPriv->resize(buffer, x, y, width, height, glPriv, bufferMask);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static GLboolean glAquaSwapBuffers(__GLXdrawablePrivate *glxPriv)
 | 
						|
{
 | 
						|
    // fixme AGL software renderer will use properties of current QD port (bad)
 | 
						|
 | 
						|
    // swap buffers on only *one* of the contexts
 | 
						|
    // (e.g. the last one for drawing)
 | 
						|
    __GLcontext *gc = (__GLcontext *)glxPriv->drawGlxc->gc;
 | 
						|
    if (gc && gc->ctx) aglSwapBuffers(gc->ctx);
 | 
						|
 | 
						|
    return GL_TRUE;
 | 
						|
}
 | 
						|
 | 
						|
static void glAquaDestroyDrawablePrivate(__GLdrawablePrivate *glPriv)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaDestroyDrawablePrivate\n");
 | 
						|
 | 
						|
    free(glPriv->private);
 | 
						|
    glPriv->private = NULL;
 | 
						|
}
 | 
						|
 | 
						|
static void glAquaCreateBuffer(__GLXdrawablePrivate *glxPriv)
 | 
						|
{
 | 
						|
    GLAquaDrawableRec *aquaPriv = malloc(sizeof(GLAquaDrawableRec));
 | 
						|
    __GLdrawablePrivate *glPriv = &glxPriv->glPriv;
 | 
						|
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaCreateBuffer\n");
 | 
						|
 | 
						|
    // replace swapBuffers (original is never called)
 | 
						|
    glxPriv->swapBuffers = glAquaSwapBuffers;
 | 
						|
 | 
						|
    // wrap front buffer resize
 | 
						|
    aquaPriv->resize = glPriv->frontBuffer.resize;
 | 
						|
    glPriv->frontBuffer.resize = glAquaResizeBuffers;
 | 
						|
 | 
						|
    // stash private data
 | 
						|
    glPriv->private = aquaPriv;
 | 
						|
    glPriv->freePrivate = glAquaDestroyDrawablePrivate;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static void glAquaResetExtension(void)
 | 
						|
{
 | 
						|
    GLAQUA_DEBUG_MSG("glAquaResetExtension\n");
 | 
						|
    aglResetLibrary();
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
// Extra goodies for glx
 | 
						|
 | 
						|
GLuint __glFloorLog2(GLuint val)
 | 
						|
{
 | 
						|
    int c = 0;
 | 
						|
 | 
						|
    while (val > 1) {
 | 
						|
        c++;
 | 
						|
        val >>= 1;
 | 
						|
    }
 | 
						|
    return c;
 | 
						|
}
 |