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
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* 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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// 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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* 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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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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// 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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if (glxPriv->type == DRAWABLE_WINDOW) {
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WindowPtr pWin = (WindowPtr) glxPriv->pDraw;
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WindowPtr topWin = quartzProcs->TopLevelParent(pWin);
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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;
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return;
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}
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crWinPtr = (CRWindowPtr) quartzProcs->FrameForWindow(pWin, FALSE);
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if (crWinPtr) {
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newPort = (AGLDrawable) crWinPtr->port;
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} else {
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newPort = NULL;
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}
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if (newPort) {
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// FIXME: won't be a CGrafPtr if currently offscreen or fullscreen
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AGLDrawable oldPort = aglGetDrawable(gc->ctx);
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// AGLDrawable newPort = GetWindowPort(window);
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// Frame is GLdrawable in X11 global coordinates
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// FIXME: Does this work for multiple screens?
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GLint frame[4] = {glPriv->xOrigin, glPriv->yOrigin, glPriv->width, glPriv->height};
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GLAQUA_DEBUG_MSG("global size %d %d %d %d\n",
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frame[0], frame[1], frame[2], frame[3]);
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// Convert to window-local coordinates
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frame[0] -= topWin->drawable.x - topWin->borderWidth;
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frame[1] -= topWin->drawable.y - topWin->borderWidth;
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// AGL uses flipped coordinates
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frame[1] = topWin->drawable.height + 2*topWin->borderWidth -
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frame[1] - frame[3];
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GLAQUA_DEBUG_MSG("local size %d %d %d %d\n",
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frame[0], frame[1], frame[2], frame[3]);
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if (oldPort != newPort) {
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// FIXME: retain/release windows
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if (!aglSetDrawable(gc->ctx, newPort)) return;
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}
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if (!aglSetInteger(gc->ctx, AGL_BUFFER_RECT, frame)) return;
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if (!aglEnable(gc->ctx, AGL_BUFFER_RECT)) return;
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if (!aglSetInteger(gc->ctx, AGL_SWAP_RECT, frame)) return;
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if (!aglEnable(gc->ctx, AGL_SWAP_RECT)) return;
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if (!aglUpdateContext(gc->ctx)) return;
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gc->isAttached = TRUE;
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GLAQUA_DEBUG_MSG("attached context 0x%x to window 0x%x\n", gc->ctx,
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pWin->drawable.id);
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} else {
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// attach to not-yet-realized window - will really attach later
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GLAQUA_DEBUG_MSG("couldn't attach to unrealized window\n");
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aglSetDrawable(gc->ctx, NULL);
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gc->isAttached = FALSE;
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}
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} else {
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GLAQUA_DEBUG_MSG("attach: attach to non-window unimplemented\n");
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aglSetDrawable(gc->ctx, NULL);
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gc->isAttached = FALSE;
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}
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}
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static GLboolean glAquaMakeCurrent(__GLcontext *gc)
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{
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__GLdrawablePrivate *glPriv = gc->interface.imports.getDrawablePrivate(gc);
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GLAQUA_DEBUG_MSG("glAquaMakeCurrent (ctx 0x%x)\n", gc->ctx);
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if (!gc->isAttached) {
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attach(gc, glPriv);
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}
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return aglSetCurrentContext(gc->ctx);
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}
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static GLboolean glAquaShareContext(__GLcontext *gc, __GLcontext *gcShare)
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{
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GLAQUA_DEBUG_MSG("glAquaShareContext unimplemented\n");
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return GL_TRUE;
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}
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static GLboolean glAquaCopyContext(__GLcontext *dst, const __GLcontext *src,
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GLuint mask)
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{
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GLAQUA_DEBUG_MSG("glAquaCopyContext\n");
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return aglCopyContext(src->ctx, dst->ctx, mask);
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}
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static GLboolean glAquaForceCurrent(__GLcontext *gc)
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{
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// GLAQUA_DEBUG_MSG("glAquaForceCurrent (ctx 0x%x)\n", gc->ctx);
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return aglSetCurrentContext(gc->ctx);
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}
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/* Drawing surface notification callbacks */
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static GLboolean glAquaNotifyResize(__GLcontext *gc)
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{
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GLAQUA_DEBUG_MSG("unimplemented glAquaNotifyResize");
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return GL_TRUE;
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}
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static void glAquaNotifyDestroy(__GLcontext *gc)
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{
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GLAQUA_DEBUG_MSG("unimplemented glAquaNotifyDestroy");
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}
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static void glAquaNotifySwapBuffers(__GLcontext *gc)
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{
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GLAQUA_DEBUG_MSG("unimplemented glAquaNotifySwapBuffers");
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}
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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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{
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GLAQUA_DEBUG_MSG("unimplemented glAquaDispatchExec");
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return NULL;
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}
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static void glAquaBeginDispatchOverride(__GLcontext *gc)
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{
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GLAQUA_DEBUG_MSG("unimplemented glAquaBeginDispatchOverride");
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}
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static void glAquaEndDispatchOverride(__GLcontext *gc)
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{
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GLAQUA_DEBUG_MSG("unimplemented glAquaEndDispatchOverride");
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}
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static AGLPixelFormat makeFormat(__GLcontextModes *mode)
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{
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int i;
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GLint attr[64]; // currently uses max of 30
|
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AGLPixelFormat result;
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GLAQUA_DEBUG_MSG("makeFormat\n");
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i = 0;
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// attr [i++] = AGL_ACCELERATED; // require hwaccel - BAD for multiscreen
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// attr [i++] = AGL_NO_RECOVERY; // disable fallback renderers - BAD
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|
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if (mode->stereoMode) {
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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;
|
|
}
|