diff options
Diffstat (limited to 'nx-X11/programs/Xserver/GL/apple/indirect.c')
| -rw-r--r-- | nx-X11/programs/Xserver/GL/apple/indirect.c | 1380 |
1 files changed, 1380 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/GL/apple/indirect.c b/nx-X11/programs/Xserver/GL/apple/indirect.c new file mode 100644 index 000000000..448b1f76a --- /dev/null +++ b/nx-X11/programs/Xserver/GL/apple/indirect.c @@ -0,0 +1,1380 @@ +/* + * GLX implementation that uses Apple's OpenGL.framework + * (Indirect rendering path) + */ +/* + * Copyright (c) 2002 Greg Parker. All Rights Reserved. + * Copyright (c) 2002 Apple Computer, Inc. + * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved. + * + * 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. + */ +/* $XFree86: xc/programs/Xserver/GL/apple/indirect.c,v 1.2 2003/09/16 00:36:11 torrey Exp $ */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "dri.h" +#include "quartz.h" + +#include <CoreGraphics/CoreGraphics.h> +#include <OpenGL/OpenGL.h> +#include <OpenGL/CGLContext.h> + +// X11 and X11's glx +#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> +#include "x-hash.h" +#include "x-list.h" + +#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 { + DrawablePtr pDraw; + xp_surface_id sid; +} GLAquaDrawableRec; + +struct __GLcontextRec { + struct __GLinterfaceRec interface; // required to be first + + CGLContextObj ctx; + CGLPixelFormatObj pixelFormat; + + /* set when attached */ + xp_surface_id sid; + + unsigned isAttached :1; +}; + +/* maps from surface id -> list of __GLcontext */ +static x_hash_table *surface_hash; + + +// Context manipulation; return GL_FALSE on failure +static GLboolean glAquaDestroyContext(__GLcontext *gc) +{ + x_list *lst; + + GLAQUA_DEBUG_MSG("glAquaDestroyContext (ctx 0x%x)\n", + (unsigned int) gc->ctx); + + if (gc != NULL) + { + if (gc->sid != 0 && surface_hash != NULL) + { + lst = x_hash_table_lookup(surface_hash, (void *) gc->sid, NULL); + lst = x_list_remove(lst, gc); + x_hash_table_insert(surface_hash, (void *) gc->sid, lst); + } + + if (gc->ctx != NULL) + CGLDestroyContext(gc->ctx); + + if (gc->pixelFormat != NULL) + CGLDestroyPixelFormat(gc->pixelFormat); + + free(gc); + } + + return GL_TRUE; +} + +static GLboolean glAquaLoseCurrent(__GLcontext *gc) +{ + CGLError gl_err; + + GLAQUA_DEBUG_MSG("glAquaLoseCurrent (ctx 0x%x)\n", (unsigned int) gc->ctx); + + gl_err = CGLSetCurrentContext(NULL); + if (gl_err != 0) + ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err)); + + __glXLastContext = NULL; // Mesa does this; why? + + return GL_TRUE; +} + +/* Called when a surface is destroyed as a side effect of destroying + the window it's attached to. */ +static void surface_notify(void *_arg, void *data) +{ + DRISurfaceNotifyArg *arg = _arg; + GLAquaDrawableRec *aquaPriv = data; + __GLcontext *gc; + x_list *lst; + + switch (arg->kind) + { + case AppleDRISurfaceNotifyDestroyed: + if (surface_hash != NULL) + x_hash_table_remove(surface_hash, (void *) arg->id); + + aquaPriv->pDraw = NULL; + aquaPriv->sid = 0; + break; + + case AppleDRISurfaceNotifyChanged: + if (surface_hash != NULL) + { + lst = x_hash_table_lookup(surface_hash, (void *) arg->id, NULL); + for (; lst != NULL; lst = lst->next) + { + gc = lst->data; + xp_update_gl_context(gc->ctx); + } + } + break; + } +} + +static void unattach(__GLcontext *gc) +{ + x_list *lst; + + if (gc->isAttached) + { + GLAQUA_DEBUG_MSG("unattaching\n"); + + if (surface_hash != NULL) + { + lst = x_hash_table_lookup(surface_hash, (void *) gc->sid, NULL); + lst = x_list_remove(lst, gc); + x_hash_table_insert(surface_hash, (void *) gc->sid, lst); + } + + CGLClearDrawable(gc->ctx); + gc->isAttached = FALSE; + gc->sid = 0; + } +} + +static void attach(__GLcontext *gc, __GLdrawablePrivate *glPriv) +{ + __GLXdrawablePrivate *glxPriv; + GLAquaDrawableRec *aquaPriv; + DrawablePtr pDraw; + + glxPriv = (__GLXdrawablePrivate *)glPriv->other; + aquaPriv = (GLAquaDrawableRec *)glPriv->private; + pDraw = glxPriv->pDraw; + + if (aquaPriv->sid == 0) + { + if (!quartzProcs->CreateSurface(pDraw->pScreen, pDraw->id, pDraw, + 0, &aquaPriv->sid, NULL, + surface_notify, aquaPriv)) + { + return; + } + aquaPriv->pDraw = pDraw; + } + + if (!gc->isAttached || gc->sid != aquaPriv->sid) + { + x_list *lst; + + if (xp_attach_gl_context(gc->ctx, aquaPriv->sid) != Success) + { + quartzProcs->DestroySurface(pDraw->pScreen, pDraw->id, pDraw, + surface_notify, aquaPriv); + if (surface_hash != NULL) + x_hash_table_remove(surface_hash, (void *) aquaPriv->sid); + + aquaPriv->sid = 0; + return; + } + + gc->isAttached = TRUE; + gc->sid = aquaPriv->sid; + + if (surface_hash == NULL) + surface_hash = x_hash_table_new(NULL, NULL, NULL, NULL); + + lst = x_hash_table_lookup(surface_hash, (void *) gc->sid, NULL); + if (x_list_find(lst, gc) == NULL) + { + lst = x_list_prepend(lst, gc); + x_hash_table_insert(surface_hash, (void *) gc->sid, lst); + } + + GLAQUA_DEBUG_MSG("attached 0x%x to 0x%x\n", (unsigned int) pDraw->id, + (unsigned int) aquaPriv->sid); + } +} + +static GLboolean glAquaMakeCurrent(__GLcontext *gc) +{ + __GLdrawablePrivate *glPriv = gc->interface.imports.getDrawablePrivate(gc); + CGLError gl_err; + + GLAQUA_DEBUG_MSG("glAquaMakeCurrent (ctx 0x%x)\n", (unsigned int) gc->ctx); + + attach(gc, glPriv); + + gl_err = CGLSetCurrentContext(gc->ctx); + if (gl_err != 0) + ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err)); + + return gl_err == 0; +} + +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) +{ + CGLError gl_err; + + GLAQUA_DEBUG_MSG("glAquaCopyContext\n"); + + gl_err = CGLCopyContext(src->ctx, dst->ctx, mask); + if (gl_err != 0) + ErrorF("CGLCopyContext error: %s\n", CGLErrorString(gl_err)); + + return gl_err == 0; +} + +static GLboolean glAquaForceCurrent(__GLcontext *gc) +{ + CGLError gl_err; + + GLAQUA_DEBUG_MSG("glAquaForceCurrent (ctx 0x%x)\n", + (unsigned int) gc->ctx); + + gl_err = CGLSetCurrentContext(gc->ctx); + if (gl_err != 0) + ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err)); + + return gl_err == 0; +} + +/* 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 CGLPixelFormatObj makeFormat(__GLcontextModes *mode) +{ + int i; + CGLPixelFormatAttribute attr[64]; // currently uses max of 30 + CGLPixelFormatObj result; + long n_formats; + CGLError gl_err; + + GLAQUA_DEBUG_MSG("makeFormat\n"); + + if (!mode->rgbMode) + return NULL; + + i = 0; + + // attr [i++] = kCGLPFAAcelerated; // require hwaccel - BAD for multiscreen + // attr [i++] = kCGLPFANoRecovery; // disable fallback renderers - BAD + + if (mode->stereoMode) { + attr[i++] = kCGLPFAStereo; + } + if (mode->doubleBufferMode) { + attr[i++] = kCGLPFADoubleBuffer; + } + + if (mode->colorIndexMode) { + /* ignored */ + } + + if (mode->rgbMode) { + attr[i++] = kCGLPFAColorSize; + attr[i++] = mode->redBits + mode->greenBits + mode->blueBits; + attr[i++] = kCGLPFAAlphaSize; + attr[i++] = 1; /* FIXME: ignoring mode->alphaBits which is always 0 */ + } + + if (mode->haveAccumBuffer) { + attr[i++] = kCGLPFAAccumSize; + attr[i++] = mode->accumRedBits + mode->accumGreenBits + + mode->accumBlueBits + mode->accumAlphaBits; + } + if (mode->haveDepthBuffer) { + attr[i++] = kCGLPFADepthSize; + attr[i++] = mode->depthBits; + } + if (mode->haveStencilBuffer) { + attr[i++] = kCGLPFAStencilSize; + attr[i++] = mode->stencilBits; + } + + attr[i++] = kCGLPFAAuxBuffers; + attr[i++] = mode->numAuxBuffers; + + /* mode->level ignored */ + + /* mode->pixmapMode ? */ + + attr[i++] = 0; + + GLAQUA_DEBUG_MSG("makeFormat almost done\n"); + + result = NULL; + gl_err = CGLChoosePixelFormat(attr, &result, &n_formats); + if (gl_err != 0) + ErrorF("CGLChoosePixelFormat error: %s\n", CGLErrorString(gl_err)); + + GLAQUA_DEBUG_MSG("makeFormat done (0x%x)\n", (unsigned int) result); + + return result; +} + +static __GLinterface *glAquaCreateContext(__GLimports *imports, + __GLcontextModes *mode, + __GLinterface *shareGC) +{ + __GLcontext *result; + __GLcontext *sharectx = (__GLcontext *)shareGC; + CGLError gl_err; + + 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 = NULL; + gl_err = CGLCreateContext(result->pixelFormat, + sharectx ? sharectx->ctx : NULL, + &result->ctx); + + if (gl_err != 0) { + ErrorF("CGLCreateContext error: %s\n", CGLErrorString(gl_err)); + CGLDestroyPixelFormat(result->pixelFormat); + free(result); + return NULL; + } + + 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->next) { + gc = (__GLcontext *)gx->gc; + attach(gc, glPriv); + } + + // GL contexts bound to this window for reading + for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) { + 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->next) { + gc = (__GLcontext *)gx->gc; + unattach(gc); + } + + // GL contexts bound to this window for reading + for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) { + gc = (__GLcontext *)gx->gc; + unattach(gc); + } + } + + 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 inline int count_bits(uint32_t x) +{ + x = x - ((x >> 1) & 0x55555555); + x = (x & 0x33333333) + ((x >> 2) & 0x33333333); + x = (x + (x >> 4)) & 0x0f0f0f0f; + x = x + (x >> 8); + x = x + (x >> 16); + return x & 63; +} + + +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 glAquaSwapBuffers(__GLXdrawablePrivate *glxPriv) +{ + // swap buffers on only *one* of the contexts + // (e.g. the last one for drawing) + __GLcontext *gc = (__GLcontext *)glxPriv->drawGlxc->gc; + CGLError gl_err; + + GLAQUA_DEBUG_MSG("glAquaSwapBuffers\n"); + + if (gc != NULL && gc->ctx != NULL) + { + gl_err = CGLFlushDrawable(gc->ctx); + if (gl_err != 0) + ErrorF("CGLFlushDrawable error: %s\n", CGLErrorString(gl_err)); + } + + return GL_TRUE; +} + +static void glAquaDestroyDrawablePrivate(__GLdrawablePrivate *glPriv) +{ + GLAQUA_DEBUG_MSG("glAquaDestroyDrawablePrivate\n"); + + /* It doesn't work to call DRIDestroySurface here, the drawable's + already gone.. But dri.c notices the window destruction and + frees the surface itself. */ + + free(glPriv->private); + glPriv->private = NULL; +} + +static void glAquaCreateBuffer(__GLXdrawablePrivate *glxPriv) +{ + GLAquaDrawableRec *aquaPriv = malloc(sizeof(GLAquaDrawableRec)); + __GLdrawablePrivate *glPriv = &glxPriv->glPriv; + + aquaPriv->sid = 0; + aquaPriv->pDraw = NULL; + + GLAQUA_DEBUG_MSG("glAquaCreateBuffer\n"); + + // replace swapBuffers (original is never called) + glxPriv->swapBuffers = glAquaSwapBuffers; + + // stash private data + glPriv->private = aquaPriv; + glPriv->freePrivate = glAquaDestroyDrawablePrivate; +} + +static void glAquaResetExtension(void) +{ + GLAQUA_DEBUG_MSG("glAquaResetExtension\n"); + CGLSetOption(kCGLGOResetLibrary, GL_TRUE); +} + +// Extra goodies for glx + +GLuint __glFloorLog2(GLuint val) +{ + int c = 0; + + while (val > 1) { + c++; + val >>= 1; + } + return c; +} |