1355 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			1355 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * GLX implementation that uses Apple's AGL.framework for OpenGL
 | |
|  *
 | |
|  * FIXME: This file and indirect.c are very similar. The two should be
 | |
|  * merged by introducing suitable abstractions.
 | |
|  */
 | |
| /*
 | |
|  * Copyright (c) 2002 Greg Parker. All Rights Reserved.
 | |
|  * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
 | |
|  *
 | |
|  * Large portions of this file are copied from Mesa's xf86glx.c,
 | |
|  * which contains the following copyright:
 | |
|  *
 | |
|  * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
 | |
|  * All Rights Reserved.
 | |
|  *
 | |
|  * Permission is hereby granted, free of charge, to any person obtaining a
 | |
|  * copy of this software and associated documentation files (the "Software"),
 | |
|  * to deal in the Software without restriction, including without limitation
 | |
|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 | |
|  * 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:
 | |
|  *
 | |
|  * The above copyright notice and this permission notice shall be included in
 | |
|  * all copies or substantial portions of the Software.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 | |
|  * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 | |
|  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 | |
|  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 | |
|  * DEALINGS IN THE SOFTWARE.
 | |
|  */
 | |
| 
 | |
| #ifdef HAVE_DIX_CONFIG_H
 | |
| #include <dix-config.h>
 | |
| #endif
 | |
| 
 | |
| #include "quartzCommon.h"
 | |
| #include <AGL/agl.h>
 | |
| #include "cr.h"
 | |
| 
 | |
| // X11 and X11's glx
 | |
| #undef BOOL
 | |
| #define BOOL xBOOL
 | |
| #include "quartz.h"
 | |
| #include <miscstruct.h>
 | |
| #include <windowstr.h>
 | |
| #include <resource.h>
 | |
| #include <GL/glxint.h>
 | |
| #include <GL/glxtokens.h>
 | |
| #include <scrnintstr.h>
 | |
| #include <glxserver.h>
 | |
| #include <glxscreens.h>
 | |
| #include <glxdrawable.h>
 | |
| #include <glxcontext.h>
 | |
| #include <glxext.h>
 | |
| #include <glxutil.h>
 | |
| #include <glxscreens.h>
 | |
| #include <GL/internal/glcore.h>
 | |
| #undef BOOL
 | |
| 
 | |
| #include "glcontextmodes.h"
 | |
| 
 | |
| // ggs: needed to call back to glx with visual configs
 | |
| extern void GlxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, void **configprivs);
 | |
| 
 | |
| // Write debugging output, or not
 | |
| #ifdef GLAQUA_DEBUG
 | |
| #define GLAQUA_DEBUG_MSG ErrorF
 | |
| #else
 | |
| #define GLAQUA_DEBUG_MSG(a, ...)
 | |
| #endif
 | |
| 
 | |
| 
 | |
| // The following GL functions don't have an EXT suffix in OpenGL.framework.
 | |
| GLboolean glAreTexturesResidentEXT (GLsizei a, const GLuint *b, GLboolean *c) {
 | |
|     return glAreTexturesResident(a, b, c);
 | |
| }
 | |
| void glDeleteTexturesEXT (GLsizei d, const GLuint *e) {
 | |
|     glDeleteTextures(d, e);
 | |
| }
 | |
| void glGenTexturesEXT (GLsizei f, GLuint *g) {
 | |
|     glGenTextures(f, g);
 | |
| }
 | |
| GLboolean glIsTextureEXT (GLuint h) {
 | |
|     return glIsTexture(h);
 | |
| }
 | |
| 
 | |
| 
 | |
| // some prototypes
 | |
| static Bool glAquaScreenProbe(int screen);
 | |
| static Bool glAquaInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
 | |
|                               int *nvisualp, int *ndepthp,
 | |
|                               int *rootDepthp, VisualID *defaultVisp,
 | |
|                               unsigned long sizes, int bitsPerRGB);
 | |
| static void glAquaSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
 | |
|                                    void **privates);
 | |
| static __GLinterface *glAquaCreateContext(__GLimports *imports,
 | |
|                                           __GLcontextModes *mode,
 | |
|                                           __GLinterface *shareGC);
 | |
| static void glAquaCreateBuffer(__GLXdrawablePrivate *glxPriv);
 | |
| static void glAquaResetExtension(void);
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * This structure is statically allocated in the __glXScreens[]
 | |
|  * structure.  This struct is not used anywhere other than in
 | |
|  * __glXScreenInit to initialize each of the active screens
 | |
|  * (__glXActiveScreens[]).  Several of the fields must be initialized by
 | |
|  * the screenProbe routine before they are copied to the active screens
 | |
|  * struct.  In particular, the contextCreate, modes, numVisuals,
 | |
|  * and numUsableVisuals fields must be initialized.
 | |
|  */
 | |
| static __GLXscreenInfo __glDDXScreenInfo = {
 | |
|     glAquaScreenProbe,   /* Must be generic and handle all screens */
 | |
|     glAquaCreateContext, /* Substitute screen's createContext routine */
 | |
|     glAquaCreateBuffer,  /* Substitute screen's createBuffer routine */
 | |
|     NULL,                 /* Set up modes in probe */
 | |
|     NULL,                 /* Set up pVisualPriv in probe */
 | |
|     0,                    /* Set up numVisuals in probe */
 | |
|     0,                    /* Set up numUsableVisuals in probe */
 | |
|     "Vendor String",      /* GLXvendor is overwritten by __glXScreenInit */
 | |
|     "Version String",     /* GLXversion is overwritten by __glXScreenInit */
 | |
|     "Extensions String",  /* GLXextensions is overwritten by __glXScreenInit */
 | |
|     NULL                  /* WrappedPositionWindow is overwritten */
 | |
| };
 | |
| 
 | |
| void *__glXglDDXScreenInfo(void) {
 | |
|     return &__glDDXScreenInfo;
 | |
| }
 | |
| 
 | |
| static __GLXextensionInfo __glDDXExtensionInfo = {
 | |
|     GL_CORE_APPLE,
 | |
|     glAquaResetExtension,
 | |
|     glAquaInitVisuals,
 | |
|     glAquaSetVisualConfigs
 | |
| };
 | |
| 
 | |
| void *__glXglDDXExtensionInfo(void) {
 | |
|     return &__glDDXExtensionInfo;
 | |
| }
 | |
| 
 | |
| // prototypes
 | |
| 
 | |
| static GLboolean glAquaDestroyContext(__GLcontext *gc);
 | |
| static GLboolean glAquaLoseCurrent(__GLcontext *gc);
 | |
| static GLboolean glAquaMakeCurrent(__GLcontext *gc);
 | |
| static GLboolean glAquaShareContext(__GLcontext *gc, __GLcontext *gcShare);
 | |
| static GLboolean glAquaCopyContext(__GLcontext *dst, const __GLcontext *src,
 | |
|                                     GLuint mask);
 | |
| static GLboolean glAquaForceCurrent(__GLcontext *gc);
 | |
| 
 | |
| /* Drawing surface notification callbacks */
 | |
| static GLboolean glAquaNotifyResize(__GLcontext *gc);
 | |
| static void glAquaNotifyDestroy(__GLcontext *gc);
 | |
| static void glAquaNotifySwapBuffers(__GLcontext *gc);
 | |
| 
 | |
| /* Dispatch table override control for external agents like libGLS */
 | |
| static struct __GLdispatchStateRec* glAquaDispatchExec(__GLcontext *gc);
 | |
| static void glAquaBeginDispatchOverride(__GLcontext *gc);
 | |
| static void glAquaEndDispatchOverride(__GLcontext *gc);
 | |
| 
 | |
| 
 | |
| static __GLexports glAquaExports = {
 | |
|     glAquaDestroyContext,
 | |
|     glAquaLoseCurrent,
 | |
|     glAquaMakeCurrent,
 | |
|     glAquaShareContext,
 | |
|     glAquaCopyContext,
 | |
|     glAquaForceCurrent,
 | |
| 
 | |
|     glAquaNotifyResize,
 | |
|     glAquaNotifyDestroy,
 | |
|     glAquaNotifySwapBuffers,
 | |
| 
 | |
|     glAquaDispatchExec,
 | |
|     glAquaBeginDispatchOverride,
 | |
|     glAquaEndDispatchOverride
 | |
| };
 | |
| 
 | |
| 
 | |
| typedef struct {
 | |
|     int num_vis;
 | |
|     __GLcontextModes *modes;
 | |
|     void **priv;
 | |
| 
 | |
|     // wrapped screen functions
 | |
|     RealizeWindowProcPtr RealizeWindow;
 | |
|     UnrealizeWindowProcPtr UnrealizeWindow;
 | |
| } glAquaScreenRec;
 | |
| 
 | |
| static glAquaScreenRec glAquaScreens[MAXSCREENS];
 | |
| 
 | |
| 
 | |
| // __GLdrawablePrivate->private
 | |
| typedef struct {
 | |
|     GLboolean (*resize)(__GLdrawableBuffer *buf, GLint x, GLint y,
 | |
|                         GLuint width, GLuint height,
 | |
|                         __GLdrawablePrivate *glPriv,
 | |
|                         GLuint bufferMask);
 | |
| } GLAquaDrawableRec;
 | |
| 
 | |
| struct __GLcontextRec {
 | |
|   struct __GLinterfaceRec interface; // required to be first
 | |
| 
 | |
|   AGLContext ctx;
 | |
|   AGLPixelFormat pixelFormat;
 | |
| 
 | |
|   Bool isAttached; // TRUE if ctx is really attached to a window
 | |
| };
 | |
| 
 | |
| 
 | |
| // Context manipulation; return GL_FALSE on failure
 | |
| static GLboolean glAquaDestroyContext(__GLcontext *gc)
 | |
| {
 | |
|     GLAQUA_DEBUG_MSG("glAquaDestroyContext (ctx 0x%x)\n", gc->ctx);
 | |
| 
 | |
|     if (gc) {
 | |
|         if (gc->ctx) aglDestroyContext(gc->ctx);
 | |
|         if (gc->pixelFormat) aglDestroyPixelFormat(gc->pixelFormat);
 | |
|         free(gc);
 | |
|     }
 | |
| 
 | |
|     return GL_TRUE;
 | |
| }
 | |
| 
 | |
| 
 | |
| static GLboolean glAquaLoseCurrent(__GLcontext *gc)
 | |
| {
 | |
|     GLAQUA_DEBUG_MSG("glAquaLoseCurrent (ctx 0x%x)\n", gc->ctx);
 | |
| 
 | |
|     aglSetCurrentContext(NULL);
 | |
|     __glXLastContext = NULL; // Mesa does this; why?
 | |
|     gc->isAttached = FALSE;
 | |
| 
 | |
|     return GL_TRUE;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Attach a GL context to a GL drawable
 | |
|  * If glPriv is NULL, the context is detached.
 | |
|  */
 | |
| static void attach(__GLcontext *gc, __GLdrawablePrivate *glPriv)
 | |
| {
 | |
|     __GLXdrawablePrivate *glxPriv;
 | |
| 
 | |
|     if (glPriv == NULL) {
 | |
|         // attaching to nothing
 | |
|         GLAQUA_DEBUG_MSG("unattaching\n");
 | |
|         aglSetDrawable(gc->ctx, NULL);
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|         gc->isAttached = FALSE;
 | |
|         return;
 | |
|     }
 | |
| 
 | |
|     // Note that when resizing, the X11 WindowPtr already has its
 | |
|     // new size and position, but the Aqua window does not.
 | |
| 
 | |
|     glxPriv = (__GLXdrawablePrivate *)glPriv->other;
 | |
| 
 | |
|     if (glxPriv->type == DRAWABLE_WINDOW) {
 | |
|         WindowPtr pWin = (WindowPtr) glxPriv->pDraw;
 | |
|         WindowPtr topWin = quartzProcs->TopLevelParent(pWin);
 | |
|         CRWindowPtr crWinPtr;
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|         AGLDrawable newPort;
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| 
 | |
|         if (glPriv->width <= 0 || glPriv->height <= 0) {
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|             // attach to zero size drawable - will really attach later
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|             GLAQUA_DEBUG_MSG("couldn't attach to zero size drawable\n");
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|             aglSetDrawable(gc->ctx, NULL);
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|             gc->isAttached = FALSE;
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         crWinPtr = (CRWindowPtr) quartzProcs->FrameForWindow(pWin, FALSE);
 | |
| 
 | |
|         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
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|             // 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",
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|                              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;
 | |
| }
 |