2004-06-16 11:25:15 +02:00
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/* $XFree86: xc/programs/Xserver/GL/mesa/src/X/xf86glx.c,v 1.19 2003/07/16 01:38:27 dawes Exp $ */
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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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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
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sub license, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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/*
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* Authors:
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* Kevin E. Martin <kevin@precisioninsight.com>
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* Brian E. Paul <brian@precisioninsight.com>
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*
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*/
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2005-07-03 09:02:09 +02:00
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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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2004-06-16 11:25:15 +02:00
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#include <regionstr.h>
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#include <resource.h>
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#include <GL/gl.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 <config.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 "xf86glxint.h"
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#include "context.h"
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#include "xmesaP.h"
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#include <GL/xf86glx.h>
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#include "context.h"
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/*
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* This define is for the glcore.h header file.
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* If you add it here, then make sure you also add it in
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* ../../../glx/Imakefile.
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*/
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#if 0
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#define DEBUG
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#include <GL/internal/glcore.h>
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#undef DEBUG
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#else
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#include <GL/internal/glcore.h>
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#endif
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#include "glcontextmodes.h"
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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, pGlxVisual, numVisuals,
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* and numUsableVisuals fields must be initialized.
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*/
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2004-07-26 21:06:04 +02:00
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static __GLXscreenInfo __glDDXScreenInfo = {
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2004-06-16 11:25:15 +02:00
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__MESA_screenProbe, /* Must be generic and handle all screens */
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__MESA_createContext, /* Substitute screen's createContext routine */
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__MESA_createBuffer, /* 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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2005-10-22 06:38:50 +02:00
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NULL, /* GLextensions is overwritten by __glXScreenInit */
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2004-06-16 11:25:15 +02:00
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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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2004-07-26 21:06:04 +02:00
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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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2004-06-16 11:25:15 +02:00
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GL_CORE_MESA,
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__MESA_resetExtension,
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__MESA_initVisuals,
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__MESA_setVisualConfigs
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};
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2004-07-26 21:06:04 +02:00
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void *__glXglDDXExtensionInfo(void) {
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return &__glDDXExtensionInfo;
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}
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2004-06-16 11:25:15 +02:00
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static __MESA_screen MESAScreens[MAXSCREENS];
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static __GLcontext *MESA_CC = NULL;
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static int numConfigs = 0;
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static __GLXvisualConfig *visualConfigs = NULL;
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static void **visualPrivates = NULL;
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static int count_bits(unsigned int n)
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{
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int bits = 0;
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while (n > 0) {
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if (n & 1) bits++;
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n >>= 1;
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}
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return bits;
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}
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static XMesaVisual find_mesa_visual(int screen, VisualID vid)
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{
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__MESA_screen * const pMScr = &MESAScreens[screen];
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const __GLcontextModes *modes;
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unsigned i = 0;
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for ( modes = pMScr->modes ; modes != NULL ; modes = modes->next ) {
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if ( modes->visualID == vid ) {
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break;
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}
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i++;
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}
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return (modes != NULL) ? pMScr->xm_vis[i] : NULL;
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}
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/*
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* In the case the driver defines no GLX visuals we'll use these.
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* Note that for TrueColor and DirectColor visuals, bufferSize is the
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* sum of redSize, greenSize, blueSize and alphaSize, which may be larger
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* than the nplanes/rootDepth of the server's X11 visuals
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*/
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#define NUM_FALLBACK_CONFIGS 5
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static __GLXvisualConfig FallbackConfigs[NUM_FALLBACK_CONFIGS] = {
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/* [0] = RGB, double buffered, Z */
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{
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-1, /* vid */
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-1, /* class */
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True, /* rgba */
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-1, -1, -1, 0, /* rgba sizes */
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-1, -1, -1, 0, /* rgba masks */
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0, 0, 0, 0, /* rgba accum sizes */
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True, /* doubleBuffer */
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False, /* stereo */
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-1, /* bufferSize */
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16, /* depthSize */
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0, /* stencilSize */
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0, /* auxBuffers */
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0, /* level */
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GLX_NONE, /* visualRating */
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GLX_NONE, /* transparentPixel */
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0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
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0 /* transparentIndex */
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},
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/* [1] = RGB, double buffered, Z, stencil, accum */
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{
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-1, /* vid */
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-1, /* class */
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True, /* rgba */
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-1, -1, -1, 0, /* rgba sizes */
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-1, -1, -1, 0, /* rgba masks */
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16, 16, 16, 0, /* rgba accum sizes */
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True, /* doubleBuffer */
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False, /* stereo */
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-1, /* bufferSize */
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16, /* depthSize */
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8, /* stencilSize */
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0, /* auxBuffers */
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0, /* level */
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GLX_NONE, /* visualRating */
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GLX_NONE, /* transparentPixel */
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0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
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0 /* transparentIndex */
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},
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/* [2] = RGB+Alpha, double buffered, Z, stencil, accum */
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{
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-1, /* vid */
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-1, /* class */
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True, /* rgba */
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-1, -1, -1, 8, /* rgba sizes */
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-1, -1, -1, -1, /* rgba masks */
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16, 16, 16, 16, /* rgba accum sizes */
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True, /* doubleBuffer */
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False, /* stereo */
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-1, /* bufferSize */
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16, /* depthSize */
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8, /* stencilSize */
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0, /* auxBuffers */
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0, /* level */
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GLX_NONE, /* visualRating */
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GLX_NONE, /* transparentPixel */
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0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
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0 /* transparentIndex */
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},
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/* [3] = RGB+Alpha, single buffered, Z, stencil, accum */
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{
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-1, /* vid */
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-1, /* class */
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True, /* rgba */
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-1, -1, -1, 8, /* rgba sizes */
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-1, -1, -1, -1, /* rgba masks */
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16, 16, 16, 16, /* rgba accum sizes */
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False, /* doubleBuffer */
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False, /* stereo */
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-1, /* bufferSize */
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16, /* depthSize */
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8, /* stencilSize */
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0, /* auxBuffers */
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0, /* level */
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GLX_NONE, /* visualRating */
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GLX_NONE, /* transparentPixel */
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0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
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0 /* transparentIndex */
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},
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/* [4] = CI, double buffered, Z */
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{
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-1, /* vid */
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-1, /* class */
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False, /* rgba? (false = color index) */
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-1, -1, -1, 0, /* rgba sizes */
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-1, -1, -1, 0, /* rgba masks */
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0, 0, 0, 0, /* rgba accum sizes */
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True, /* doubleBuffer */
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False, /* stereo */
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-1, /* bufferSize */
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16, /* depthSize */
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0, /* stencilSize */
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0, /* auxBuffers */
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0, /* level */
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GLX_NONE, /* visualRating */
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GLX_NONE, /* transparentPixel */
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0, 0, 0, 0, /* transparent rgba color (floats scaled to ints) */
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0 /* transparentIndex */
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},
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};
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static Bool init_visuals(int *nvisualp, VisualPtr *visualp,
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VisualID *defaultVisp,
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int ndepth, DepthPtr pdepth,
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int rootDepth)
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{
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int numRGBconfigs;
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int numCIconfigs;
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int numVisuals = *nvisualp;
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int numNewVisuals;
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int numNewConfigs;
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VisualPtr pVisual = *visualp;
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VisualPtr pVisualNew = NULL;
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VisualID *orig_vid = NULL;
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__GLcontextModes *modes;
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__GLXvisualConfig *pNewVisualConfigs = NULL;
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void **glXVisualPriv;
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void **pNewVisualPriv;
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int found_default;
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int i, j, k;
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if (numConfigs > 0)
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numNewConfigs = numConfigs;
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else
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numNewConfigs = NUM_FALLBACK_CONFIGS;
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/* Alloc space for the list of new GLX visuals */
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pNewVisualConfigs = (__GLXvisualConfig *)
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__glXMalloc(numNewConfigs * sizeof(__GLXvisualConfig));
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if (!pNewVisualConfigs) {
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return FALSE;
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}
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/* Alloc space for the list of new GLX visual privates */
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pNewVisualPriv = (void **) __glXMalloc(numNewConfigs * sizeof(void *));
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if (!pNewVisualPriv) {
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__glXFree(pNewVisualConfigs);
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return FALSE;
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}
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/*
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** If SetVisualConfigs was not called, then use default GLX
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** visual configs.
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*/
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if (numConfigs == 0) {
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memcpy(pNewVisualConfigs, FallbackConfigs,
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NUM_FALLBACK_CONFIGS * sizeof(__GLXvisualConfig));
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memset(pNewVisualPriv, 0, NUM_FALLBACK_CONFIGS * sizeof(void *));
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}
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else {
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/* copy driver's visual config info */
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for (i = 0; i < numConfigs; i++) {
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pNewVisualConfigs[i] = visualConfigs[i];
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pNewVisualPriv[i] = visualPrivates[i];
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}
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}
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/* Count the number of RGB and CI visual configs */
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numRGBconfigs = 0;
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numCIconfigs = 0;
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for (i = 0; i < numNewConfigs; i++) {
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if (pNewVisualConfigs[i].rgba)
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numRGBconfigs++;
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else
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numCIconfigs++;
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}
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/* Count the total number of visuals to compute */
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numNewVisuals = 0;
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for (i = 0; i < numVisuals; i++) {
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numNewVisuals +=
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(pVisual[i].class == TrueColor || pVisual[i].class == DirectColor)
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? numRGBconfigs : numCIconfigs;
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}
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/* Reset variables for use with the next screen/driver's visual configs */
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visualConfigs = NULL;
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numConfigs = 0;
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/* Alloc temp space for the list of orig VisualIDs for each new visual */
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orig_vid = (VisualID *)__glXMalloc(numNewVisuals * sizeof(VisualID));
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if (!orig_vid) {
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__glXFree(pNewVisualPriv);
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__glXFree(pNewVisualConfigs);
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return FALSE;
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}
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/* Alloc space for the list of glXVisuals */
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modes = _gl_context_modes_create(numNewVisuals, sizeof(__GLcontextModes));
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if (modes == NULL) {
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__glXFree(orig_vid);
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__glXFree(pNewVisualPriv);
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__glXFree(pNewVisualConfigs);
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return FALSE;
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}
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/* Alloc space for the list of glXVisualPrivates */
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glXVisualPriv = (void **)__glXMalloc(numNewVisuals * sizeof(void *));
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if (!glXVisualPriv) {
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_gl_context_modes_destroy( modes );
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__glXFree(orig_vid);
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__glXFree(pNewVisualPriv);
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__glXFree(pNewVisualConfigs);
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|
|
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;
|
|
|
|
MESAScreens[screenInfo.numScreens-1].modes = modes;
|
|
|
|
for (i = j = 0; i < numVisuals; i++) {
|
|
|
|
int is_rgb = (pVisual[i].class == TrueColor ||
|
|
|
|
pVisual[i].class == DirectColor);
|
|
|
|
|
|
|
|
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 */
|
|
|
|
MESAScreens[screenInfo.numScreens-1].num_vis = numNewVisuals;
|
|
|
|
MESAScreens[screenInfo.numScreens-1].private = 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;
|
|
|
|
}
|
|
|
|
|
|
|
|
void __MESA_setVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
|
|
|
|
void **privates)
|
|
|
|
{
|
|
|
|
numConfigs = nconfigs;
|
|
|
|
visualConfigs = configs;
|
|
|
|
visualPrivates = privates;
|
|
|
|
}
|
|
|
|
|
|
|
|
Bool __MESA_initVisuals(VisualPtr *visualp, DepthPtr *depthp,
|
|
|
|
int *nvisualp, int *ndepthp, int *rootDepthp,
|
|
|
|
VisualID *defaultVisp, unsigned long sizes,
|
|
|
|
int bitsPerRGB)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* 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];
|
|
|
|
__MESA_screen *pMScr = &MESAScreens[screen];
|
|
|
|
int j;
|
|
|
|
__GLcontextModes *modes;
|
|
|
|
|
|
|
|
for ( modes = pMScr->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;
|
|
|
|
XMesaVisual *pXMesaVisual;
|
|
|
|
int *used;
|
|
|
|
int i, j;
|
|
|
|
|
|
|
|
/* Alloc space for the list of XMesa visuals */
|
|
|
|
pXMesaVisual = (XMesaVisual *)__glXMalloc(MESAScreens[screen].num_vis *
|
|
|
|
sizeof(XMesaVisual));
|
|
|
|
__glXMemset(pXMesaVisual, 0,
|
|
|
|
MESAScreens[screen].num_vis * sizeof(XMesaVisual));
|
|
|
|
|
|
|
|
/* 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 = MESAScreens[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]) {
|
|
|
|
|
|
|
|
/* Create the XMesa visual */
|
|
|
|
pXMesaVisual[i] =
|
|
|
|
XMesaCreateVisual(pScreen,
|
|
|
|
pVis,
|
|
|
|
modes->rgbMode,
|
|
|
|
(modes->alphaBits > 0),
|
|
|
|
modes->doubleBufferMode,
|
|
|
|
modes->stereoMode,
|
|
|
|
GL_TRUE, /* ximage_flag */
|
|
|
|
modes->depthBits,
|
|
|
|
modes->stencilBits,
|
|
|
|
modes->accumRedBits,
|
|
|
|
modes->accumGreenBits,
|
|
|
|
modes->accumBlueBits,
|
|
|
|
modes->accumAlphaBits,
|
|
|
|
modes->samples,
|
|
|
|
modes->level,
|
|
|
|
modes->visualRating);
|
|
|
|
/* 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,
|
|
|
|
modes->visualType,
|
|
|
|
(modes->rgbBits - modes->alphaBits) );
|
|
|
|
}
|
|
|
|
else if ( modes->visualID == -1 ) {
|
|
|
|
FatalError( "Matching visual found, but visualID still -1!\n" );
|
|
|
|
}
|
|
|
|
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
__glXFree(used);
|
|
|
|
|
|
|
|
MESAScreens[screen].xm_vis = pXMesaVisual;
|
|
|
|
}
|
|
|
|
|
|
|
|
Bool __MESA_screenProbe(int screen)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* Set up the current screen's visuals.
|
|
|
|
*/
|
|
|
|
__glDDXScreenInfo.modes = MESAScreens[screen].modes;
|
|
|
|
__glDDXScreenInfo.pVisualPriv = MESAScreens[screen].private;
|
|
|
|
__glDDXScreenInfo.numVisuals =
|
|
|
|
__glDDXScreenInfo.numUsableVisuals = MESAScreens[screen].num_vis;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set the current screen's createContext routine. This could be
|
|
|
|
* wrapped by a DDX GLX context creation routine.
|
|
|
|
*/
|
|
|
|
__glDDXScreenInfo.createContext = __MESA_createContext;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern void __MESA_resetExtension(void)
|
|
|
|
{
|
|
|
|
int i, j;
|
|
|
|
|
|
|
|
XMesaReset();
|
|
|
|
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
|
|
for (j = 0; j < MESAScreens[i].num_vis; j++) {
|
|
|
|
if (MESAScreens[i].xm_vis[j]) {
|
|
|
|
XMesaDestroyVisual(MESAScreens[i].xm_vis[j]);
|
|
|
|
MESAScreens[i].xm_vis[j] = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
_gl_context_modes_destroy( MESAScreens[i].modes );
|
|
|
|
MESAScreens[i].modes = NULL;
|
|
|
|
__glXFree(MESAScreens[i].private);
|
|
|
|
MESAScreens[i].private = NULL;
|
|
|
|
__glXFree(MESAScreens[i].xm_vis);
|
|
|
|
MESAScreens[i].xm_vis = NULL;
|
|
|
|
MESAScreens[i].num_vis = 0;
|
|
|
|
}
|
|
|
|
__glDDXScreenInfo.modes = NULL;
|
|
|
|
MESA_CC = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
void __MESA_createBuffer(__GLXdrawablePrivate *glxPriv)
|
|
|
|
{
|
|
|
|
DrawablePtr pDraw = glxPriv->pDraw;
|
|
|
|
XMesaVisual xm_vis = find_mesa_visual(pDraw->pScreen->myNum,
|
|
|
|
glxPriv->modes->visualID);
|
|
|
|
__GLdrawablePrivate *glPriv = &glxPriv->glPriv;
|
|
|
|
__MESA_buffer buf;
|
|
|
|
|
|
|
|
if (xm_vis == NULL) {
|
|
|
|
ErrorF("find_mesa_visual returned NULL for visualID = 0x%04x\n",
|
|
|
|
glxPriv->modes->visualID);
|
|
|
|
}
|
|
|
|
buf = (__MESA_buffer)__glXMalloc(sizeof(struct __MESA_bufferRec));
|
|
|
|
|
|
|
|
/* Create Mesa's buffers */
|
|
|
|
if (glxPriv->type == DRAWABLE_WINDOW) {
|
|
|
|
buf->xm_buf = (void *)XMesaCreateWindowBuffer(xm_vis,
|
|
|
|
(WindowPtr)pDraw);
|
|
|
|
} else {
|
|
|
|
buf->xm_buf = (void *)XMesaCreatePixmapBuffer(xm_vis,
|
|
|
|
(PixmapPtr)pDraw, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Wrap the front buffer's resize routine */
|
|
|
|
buf->fbresize = glPriv->frontBuffer.resize;
|
|
|
|
glPriv->frontBuffer.resize = __MESA_resizeBuffers;
|
|
|
|
|
|
|
|
/* Wrap the swap buffers routine */
|
|
|
|
buf->fbswap = glxPriv->swapBuffers;
|
|
|
|
glxPriv->swapBuffers = __MESA_swapBuffers;
|
|
|
|
|
|
|
|
/* Save Mesa's private buffer structure */
|
|
|
|
glPriv->private = (void *)buf;
|
|
|
|
glPriv->freePrivate = __MESA_destroyBuffer;
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_resizeBuffers(__GLdrawableBuffer *buffer,
|
|
|
|
GLint x, GLint y,
|
|
|
|
GLuint width, GLuint height,
|
|
|
|
__GLdrawablePrivate *glPriv,
|
|
|
|
GLuint bufferMask)
|
|
|
|
{
|
|
|
|
__MESA_buffer buf = (__MESA_buffer)glPriv->private;
|
|
|
|
|
|
|
|
if (buf->xm_buf)
|
|
|
|
XMesaResizeBuffers(buf->xm_buf);
|
|
|
|
|
|
|
|
return (*buf->fbresize)(buffer, x, y, width, height, glPriv, bufferMask);
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_swapBuffers(__GLXdrawablePrivate *glxPriv)
|
|
|
|
{
|
|
|
|
__MESA_buffer buf = (__MESA_buffer)glxPriv->glPriv.private;
|
|
|
|
|
|
|
|
/*
|
|
|
|
** Do not call the wrapped swap buffers routine since Mesa has
|
|
|
|
** already done the swap.
|
|
|
|
*/
|
|
|
|
XMesaSwapBuffers(buf->xm_buf);
|
|
|
|
|
|
|
|
return GL_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void __MESA_destroyBuffer(__GLdrawablePrivate *glPriv)
|
|
|
|
{
|
|
|
|
__MESA_buffer buf = (__MESA_buffer)glPriv->private;
|
|
|
|
__GLXdrawablePrivate *glxPriv = (__GLXdrawablePrivate *)glPriv->other;
|
|
|
|
|
|
|
|
/* Destroy Mesa's buffers */
|
|
|
|
if (buf->xm_buf)
|
|
|
|
XMesaDestroyBuffer(buf->xm_buf);
|
|
|
|
|
|
|
|
/* Unwrap these routines */
|
|
|
|
glxPriv->swapBuffers = buf->fbswap;
|
|
|
|
glPriv->frontBuffer.resize = buf->fbresize;
|
|
|
|
|
|
|
|
__glXFree(glPriv->private);
|
|
|
|
glPriv->private = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
__GLinterface *__MESA_createContext(__GLimports *imports,
|
|
|
|
__GLcontextModes *modes,
|
|
|
|
__GLinterface *shareGC)
|
|
|
|
{
|
|
|
|
__GLcontext *gl_ctx = NULL;
|
|
|
|
__GLcontext *m_share = NULL;
|
|
|
|
__GLXcontext *glxc = (__GLXcontext *)imports->other;
|
|
|
|
XMesaVisual xm_vis;
|
|
|
|
|
|
|
|
if (shareGC)
|
|
|
|
m_share = (__GLcontext *)shareGC;
|
|
|
|
|
|
|
|
xm_vis = find_mesa_visual(glxc->pScreen->myNum, glxc->modes->visualID);
|
|
|
|
if (xm_vis) {
|
|
|
|
XMesaContext xmshare = m_share ? m_share->DriverCtx : 0;
|
|
|
|
XMesaContext xmctx = XMesaCreateContext(xm_vis, xmshare);
|
|
|
|
gl_ctx = xmctx ? &xmctx->mesa : 0;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
ErrorF("find_mesa_visual returned NULL for visualID = 0x%04x\n",
|
|
|
|
glxc->modes->visualID);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (!gl_ctx)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
gl_ctx->imports = *imports;
|
|
|
|
gl_ctx->exports.destroyContext = __MESA_destroyContext;
|
|
|
|
gl_ctx->exports.loseCurrent = __MESA_loseCurrent;
|
|
|
|
gl_ctx->exports.makeCurrent = __MESA_makeCurrent;
|
|
|
|
gl_ctx->exports.shareContext = __MESA_shareContext;
|
|
|
|
gl_ctx->exports.copyContext = __MESA_copyContext;
|
|
|
|
gl_ctx->exports.forceCurrent = __MESA_forceCurrent;
|
|
|
|
gl_ctx->exports.notifyResize = __MESA_notifyResize;
|
|
|
|
gl_ctx->exports.notifyDestroy = __MESA_notifyDestroy;
|
|
|
|
gl_ctx->exports.notifySwapBuffers = __MESA_notifySwapBuffers;
|
|
|
|
gl_ctx->exports.dispatchExec = __MESA_dispatchExec;
|
|
|
|
gl_ctx->exports.beginDispatchOverride = __MESA_beginDispatchOverride;
|
|
|
|
gl_ctx->exports.endDispatchOverride = __MESA_endDispatchOverride;
|
|
|
|
|
|
|
|
return (__GLinterface *)gl_ctx;
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_destroyContext(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
XMesaContext xmesa = (XMesaContext) gc->DriverCtx;
|
|
|
|
XMesaDestroyContext( xmesa );
|
|
|
|
return GL_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_loseCurrent(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
XMesaContext xmesa = (XMesaContext) gc->DriverCtx;
|
|
|
|
MESA_CC = NULL;
|
|
|
|
__glXLastContext = NULL;
|
|
|
|
return XMesaLoseCurrent(xmesa);
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_makeCurrent(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
__GLdrawablePrivate *drawPriv = gc->imports.getDrawablePrivate( gc );
|
|
|
|
__MESA_buffer drawBuf = (__MESA_buffer)drawPriv->private;
|
|
|
|
__GLdrawablePrivate *readPriv = gc->imports.getReadablePrivate( gc );
|
|
|
|
__MESA_buffer readBuf = (__MESA_buffer)readPriv->private;
|
|
|
|
XMesaContext xmesa = (XMesaContext) gc->DriverCtx;
|
|
|
|
|
|
|
|
MESA_CC = gc;
|
|
|
|
return XMesaMakeCurrent2(xmesa, drawBuf->xm_buf, readBuf->xm_buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_shareContext(__GLcontext *gc, __GLcontext *gcShare)
|
|
|
|
{
|
|
|
|
/* NOT_DONE */
|
|
|
|
/* XXX I don't see where/how this could ever be called */
|
|
|
|
ErrorF("__MESA_shareContext\n");
|
|
|
|
return GL_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_copyContext(__GLcontext *dst, const __GLcontext *src,
|
|
|
|
GLuint mask)
|
|
|
|
{
|
|
|
|
XMesaContext xm_dst = (XMesaContext) dst->DriverCtx;
|
|
|
|
const XMesaContext xm_src = (const XMesaContext) src->DriverCtx;
|
|
|
|
_mesa_copy_context(&xm_src->mesa, &xm_dst->mesa, mask);
|
|
|
|
return GL_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_forceCurrent(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
XMesaContext xmesa = (XMesaContext) gc->DriverCtx;
|
|
|
|
MESA_CC = gc;
|
|
|
|
return XMesaForceCurrent(xmesa);
|
|
|
|
}
|
|
|
|
|
|
|
|
GLboolean __MESA_notifyResize(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
/* NOT_DONE */
|
|
|
|
ErrorF("__MESA_notifyResize\n");
|
|
|
|
return GL_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void __MESA_notifyDestroy(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
/* NOT_DONE */
|
|
|
|
ErrorF("__MESA_notifyDestroy\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
void __MESA_notifySwapBuffers(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
_mesa_notifySwapBuffers(gc);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct __GLdispatchStateRec *__MESA_dispatchExec(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
/* NOT_DONE */
|
|
|
|
ErrorF("__MESA_dispatchExec\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
void __MESA_beginDispatchOverride(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
/* NOT_DONE */
|
|
|
|
ErrorF("__MESA_beginDispatchOverride\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
void __MESA_endDispatchOverride(__GLcontext *gc)
|
|
|
|
{
|
|
|
|
/* NOT_DONE */
|
|
|
|
ErrorF("__MESA_endDispatchOverride\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Server-side GLX uses these functions which are normally defined
|
|
|
|
* in the OpenGL SI.
|
|
|
|
*/
|
|
|
|
|
|
|
|
GLuint __glFloorLog2(GLuint val)
|
|
|
|
{
|
|
|
|
int c = 0;
|
|
|
|
|
|
|
|
while (val > 1) {
|
|
|
|
c++;
|
|
|
|
val >>= 1;
|
|
|
|
}
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|