2901 lines
75 KiB
C
2901 lines
75 KiB
C
/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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* Copyright (C) 2009 VMware, Inc. 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
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* in 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
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* OR 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 AUTHORS OR COPYRIGHT HOLDERS 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
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* This is an emulation of the GLX API which allows Mesa/GLX-based programs
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* to run on X servers which do not have the real GLX extension.
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*
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* Thanks to the contributors:
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*
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* Initial version: Philip Brown (phil@bolthole.com)
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* Better glXGetConfig() support: Armin Liebchen (liebchen@asylum.cs.utah.edu)
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* Further visual-handling refinements: Wolfram Gloger
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* (wmglo@Dent.MED.Uni-Muenchen.DE).
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*
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* Notes:
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* Don't be fooled, stereo isn't supported yet.
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*/
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#include <string.h>
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#include <stdio.h>
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#include "glxheader.h"
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#include "glxapi.h"
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#include "main/context.h"
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#include "main/config.h"
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#include "main/macros.h"
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#include "main/mtypes.h"
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#include "main/version.h"
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#include "xfonts.h"
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#include "xmesaP.h"
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#include "util/u_math.h"
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/* This indicates the client-side GLX API and GLX encoder version. */
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#define CLIENT_MAJOR_VERSION 1
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#define CLIENT_MINOR_VERSION 4 /* but don't have 1.3's pbuffers, etc yet */
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/* This indicates the server-side GLX decoder version.
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* GLX 1.4 indicates OpenGL 1.3 support
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*/
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#define SERVER_MAJOR_VERSION 1
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#define SERVER_MINOR_VERSION 4
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/* This is appended onto the glXGetClient/ServerString version strings. */
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#define MESA_GLX_VERSION "Mesa " PACKAGE_VERSION
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/* Who implemented this GLX? */
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#define VENDOR "Brian Paul"
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#define EXTENSIONS \
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"GLX_MESA_set_3dfx_mode " \
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"GLX_MESA_copy_sub_buffer " \
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"GLX_MESA_pixmap_colormap " \
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"GLX_MESA_release_buffers " \
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"GLX_ARB_create_context " \
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"GLX_ARB_get_proc_address " \
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"GLX_EXT_texture_from_pixmap " \
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"GLX_EXT_visual_info " \
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"GLX_EXT_visual_rating " \
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/*"GLX_SGI_video_sync "*/ \
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"GLX_SGIX_fbconfig " \
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"GLX_SGIX_pbuffer "
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/**********************************************************************/
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/*** GLX Visual Code ***/
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/**********************************************************************/
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#define DONT_CARE -1
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static XMesaVisual *VisualTable = NULL;
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static int NumVisuals = 0;
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/*
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* This struct and some code fragments borrowed
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* from Mark Kilgard's GLUT library.
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*/
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typedef struct _OverlayInfo {
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/* Avoid 64-bit portability problems by being careful to use
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longs due to the way XGetWindowProperty is specified. Note
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that these parameters are passed as CARD32s over X
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protocol. */
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unsigned long overlay_visual;
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long transparent_type;
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long value;
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long layer;
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} OverlayInfo;
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/* Macro to handle c_class vs class field name in XVisualInfo struct */
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#if defined(__cplusplus) || defined(c_plusplus)
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#define CLASS c_class
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#else
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#define CLASS class
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#endif
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/*
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* Test if the given XVisualInfo is usable for Mesa rendering.
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*/
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static GLboolean
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is_usable_visual( XVisualInfo *vinfo )
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{
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switch (vinfo->CLASS) {
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case StaticGray:
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case GrayScale:
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/* Any StaticGray/GrayScale visual works in RGB or CI mode */
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return GL_TRUE;
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case StaticColor:
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case PseudoColor:
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/* Color-index rendering is not supported. */
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return GL_FALSE;
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case TrueColor:
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case DirectColor:
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/* Any depth of TrueColor or DirectColor works in RGB mode */
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return GL_TRUE;
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default:
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/* This should never happen */
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return GL_FALSE;
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}
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}
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/**
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* Get an array OverlayInfo records for specified screen.
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* \param dpy the display
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* \param screen screen number
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* \param numOverlays returns numver of OverlayInfo records
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* \return pointer to OverlayInfo array, free with XFree()
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*/
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static OverlayInfo *
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GetOverlayInfo(Display *dpy, int screen, int *numOverlays)
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{
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Atom overlayVisualsAtom;
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Atom actualType;
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Status status;
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unsigned char *ovInfo;
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unsigned long sizeData, bytesLeft;
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int actualFormat;
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/*
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* The SERVER_OVERLAY_VISUALS property on the root window contains
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* a list of overlay visuals. Get that list now.
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*/
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overlayVisualsAtom = XInternAtom(dpy,"SERVER_OVERLAY_VISUALS", True);
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if (overlayVisualsAtom == None) {
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return 0;
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}
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status = XGetWindowProperty(dpy, RootWindow(dpy, screen),
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overlayVisualsAtom, 0L, (long) 10000, False,
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overlayVisualsAtom, &actualType, &actualFormat,
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&sizeData, &bytesLeft,
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&ovInfo);
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if (status != Success || actualType != overlayVisualsAtom ||
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actualFormat != 32 || sizeData < 4) {
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/* something went wrong */
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free((void *) ovInfo);
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*numOverlays = 0;
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return NULL;
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}
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*numOverlays = sizeData / 4;
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return (OverlayInfo *) ovInfo;
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}
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/**
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* Return the level (overlay, normal, underlay) of a given XVisualInfo.
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* Input: dpy - the X display
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* vinfo - the XVisualInfo to test
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* Return: level of the visual:
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* 0 = normal planes
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* >0 = overlay planes
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* <0 = underlay planes
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*/
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static int
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level_of_visual( Display *dpy, XVisualInfo *vinfo )
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{
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OverlayInfo *overlay_info;
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int numOverlaysPerScreen, i;
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overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen);
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if (!overlay_info) {
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return 0;
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}
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/* search the overlay visual list for the visual ID of interest */
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for (i = 0; i < numOverlaysPerScreen; i++) {
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const OverlayInfo *ov = overlay_info + i;
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if (ov->overlay_visual == vinfo->visualid) {
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/* found the visual */
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if (/*ov->transparent_type==1 &&*/ ov->layer!=0) {
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int level = ov->layer;
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free((void *) overlay_info);
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return level;
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}
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else {
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free((void *) overlay_info);
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return 0;
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}
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}
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}
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/* The visual ID was not found in the overlay list. */
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free((void *) overlay_info);
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return 0;
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}
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/*
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* Given an XVisualInfo and RGB, Double, and Depth buffer flags, save the
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* configuration in our list of GLX visuals.
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*/
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static XMesaVisual
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save_glx_visual( Display *dpy, XVisualInfo *vinfo,
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GLboolean alphaFlag, GLboolean dbFlag,
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GLboolean stereoFlag,
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GLint depth_size, GLint stencil_size,
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GLint accumRedSize, GLint accumGreenSize,
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GLint accumBlueSize, GLint accumAlphaSize,
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GLint level, GLint numAuxBuffers )
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{
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GLboolean ximageFlag = GL_TRUE;
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XMesaVisual xmvis;
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GLint i;
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if (dbFlag) {
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/* Check if the MESA_BACK_BUFFER env var is set */
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char *backbuffer = getenv("MESA_BACK_BUFFER");
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if (backbuffer) {
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if (backbuffer[0]=='p' || backbuffer[0]=='P') {
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ximageFlag = GL_FALSE;
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}
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else if (backbuffer[0]=='x' || backbuffer[0]=='X') {
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ximageFlag = GL_TRUE;
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}
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else {
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_mesa_warning(NULL, "Mesa: invalid value for MESA_BACK_BUFFER environment variable, using an XImage.");
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}
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}
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}
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if (stereoFlag) {
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/* stereo not supported */
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return NULL;
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}
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/* Force the visual to have an alpha channel */
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if (getenv("MESA_GLX_FORCE_ALPHA"))
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alphaFlag = GL_TRUE;
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/* First check if a matching visual is already in the list */
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for (i=0; i<NumVisuals; i++) {
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XMesaVisual v = VisualTable[i];
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if (v->display == dpy
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&& v->ximage_flag == ximageFlag
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&& v->mesa_visual.doubleBufferMode == dbFlag
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&& v->mesa_visual.stereoMode == stereoFlag
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&& (v->mesa_visual.alphaBits > 0) == alphaFlag
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&& (v->mesa_visual.depthBits >= depth_size || depth_size == 0)
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&& (v->mesa_visual.stencilBits >= stencil_size || stencil_size == 0)
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&& (v->mesa_visual.accumRedBits >= accumRedSize || accumRedSize == 0)
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&& (v->mesa_visual.accumGreenBits >= accumGreenSize || accumGreenSize == 0)
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&& (v->mesa_visual.accumBlueBits >= accumBlueSize || accumBlueSize == 0)
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&& (v->mesa_visual.accumAlphaBits >= accumAlphaSize || accumAlphaSize == 0)) {
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/* now compare visual IDs */
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if (v->visinfo->visualid == vinfo->visualid) {
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return v;
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}
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}
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}
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/* Create a new visual and add it to the list. */
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xmvis = XMesaCreateVisual( dpy, vinfo, GL_TRUE, alphaFlag, dbFlag,
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stereoFlag, ximageFlag,
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depth_size, stencil_size,
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accumRedSize, accumBlueSize,
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accumBlueSize, accumAlphaSize, 0, level,
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GLX_NONE_EXT );
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if (xmvis) {
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/* Allocate more space for additional visual */
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VisualTable = realloc(VisualTable, sizeof(XMesaVisual) * (NumVisuals + 1));
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/* add xmvis to the list */
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VisualTable[NumVisuals] = xmvis;
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NumVisuals++;
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}
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return xmvis;
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}
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/**
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* Return the default number of bits for the Z buffer.
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* If defined, use the MESA_GLX_DEPTH_BITS env var value.
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* Otherwise, use the DEFAULT_SOFTWARE_DEPTH_BITS constant.
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* XXX probably do the same thing for stencil, accum, etc.
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*/
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static GLint
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default_depth_bits(void)
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{
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int zBits;
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const char *zEnv = getenv("MESA_GLX_DEPTH_BITS");
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if (zEnv)
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zBits = atoi(zEnv);
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else
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zBits = DEFAULT_SOFTWARE_DEPTH_BITS;
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return zBits;
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}
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static GLint
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default_alpha_bits(void)
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{
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int aBits;
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const char *aEnv = getenv("MESA_GLX_ALPHA_BITS");
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if (aEnv)
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aBits = atoi(aEnv);
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else
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aBits = 0;
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return aBits;
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}
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static GLint
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default_accum_bits(void)
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{
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return 16;
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}
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/*
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* Create a GLX visual from a regular XVisualInfo.
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* This is called when Fake GLX is given an XVisualInfo which wasn't
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* returned by glXChooseVisual. Since this is the first time we're
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* considering this visual we'll take a guess at reasonable values
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* for depth buffer size, stencil size, accum size, etc.
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* This is the best we can do with a client-side emulation of GLX.
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*/
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static XMesaVisual
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create_glx_visual( Display *dpy, XVisualInfo *visinfo )
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{
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int vislevel;
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GLint zBits = default_depth_bits();
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GLint accBits = default_accum_bits();
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GLboolean alphaFlag = default_alpha_bits() > 0;
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vislevel = level_of_visual( dpy, visinfo );
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if (vislevel) {
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/* Color-index rendering to overlays is not supported. */
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return NULL;
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}
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else if (is_usable_visual( visinfo )) {
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/* Configure this visual as RGB, double-buffered, depth-buffered. */
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/* This is surely wrong for some people's needs but what else */
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/* can be done? They should use glXChooseVisual(). */
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return save_glx_visual( dpy, visinfo,
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alphaFlag, /* alpha */
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GL_TRUE, /* double */
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GL_FALSE, /* stereo */
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zBits,
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8, /* stencil bits */
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accBits, /* r */
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accBits, /* g */
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accBits, /* b */
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accBits, /* a */
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0, /* level */
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0 /* numAux */
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);
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}
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else {
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_mesa_warning(NULL, "Mesa: error in glXCreateContext: bad visual\n");
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return NULL;
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}
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}
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/*
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* Find the GLX visual associated with an XVisualInfo.
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*/
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static XMesaVisual
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find_glx_visual( Display *dpy, XVisualInfo *vinfo )
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{
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int i;
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/* try to match visual id */
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for (i=0;i<NumVisuals;i++) {
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if (VisualTable[i]->display==dpy
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&& VisualTable[i]->visinfo->visualid == vinfo->visualid) {
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return VisualTable[i];
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}
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}
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return NULL;
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}
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/**
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* Return the transparent pixel value for a GLX visual.
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* Input: glxvis - the glx_visual
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* Return: a pixel value or -1 if no transparent pixel
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*/
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static int
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transparent_pixel( XMesaVisual glxvis )
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{
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Display *dpy = glxvis->display;
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XVisualInfo *vinfo = glxvis->visinfo;
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OverlayInfo *overlay_info;
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int numOverlaysPerScreen, i;
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overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen);
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if (!overlay_info) {
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return -1;
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}
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for (i = 0; i < numOverlaysPerScreen; i++) {
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const OverlayInfo *ov = overlay_info + i;
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if (ov->overlay_visual == vinfo->visualid) {
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/* found it! */
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if (ov->transparent_type == 0) {
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/* type 0 indicates no transparency */
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free((void *) overlay_info);
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return -1;
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}
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else {
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/* ov->value is the transparent pixel */
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free((void *) overlay_info);
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return ov->value;
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}
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}
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}
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/* The visual ID was not found in the overlay list. */
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free((void *) overlay_info);
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return -1;
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}
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/**
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* Try to get an X visual which matches the given arguments.
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*/
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static XVisualInfo *
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get_visual( Display *dpy, int scr, unsigned int depth, int xclass )
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{
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XVisualInfo temp, *vis;
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long mask;
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int n;
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unsigned int default_depth;
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int default_class;
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mask = VisualScreenMask | VisualDepthMask | VisualClassMask;
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temp.screen = scr;
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temp.depth = depth;
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temp.CLASS = xclass;
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default_depth = DefaultDepth(dpy,scr);
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default_class = DefaultVisual(dpy,scr)->CLASS;
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if (depth==default_depth && xclass==default_class) {
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/* try to get root window's visual */
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temp.visualid = DefaultVisual(dpy,scr)->visualid;
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mask |= VisualIDMask;
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}
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vis = XGetVisualInfo( dpy, mask, &temp, &n );
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/* In case bits/pixel > 24, make sure color channels are still <=8 bits.
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* An SGI Infinite Reality system, for example, can have 30bpp pixels:
|
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* 10 bits per color channel. Mesa's limited to a max of 8 bits/channel.
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*/
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if (vis && depth > 24 && (xclass==TrueColor || xclass==DirectColor)) {
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if (util_bitcount((GLuint) vis->red_mask ) <= 8 &&
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util_bitcount((GLuint) vis->green_mask) <= 8 &&
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util_bitcount((GLuint) vis->blue_mask ) <= 8) {
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return vis;
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}
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else {
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free((void *) vis);
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return NULL;
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}
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}
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return vis;
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}
|
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|
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|
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/*
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|
* Retrieve the value of the given environment variable and find
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* the X visual which matches it.
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|
* Input: dpy - the display
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* screen - the screen number
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|
* varname - the name of the environment variable
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* Return: an XVisualInfo pointer to NULL if error.
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|
*/
|
|
static XVisualInfo *
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get_env_visual(Display *dpy, int scr, const char *varname)
|
|
{
|
|
char value[100], type[100];
|
|
int depth, xclass = -1;
|
|
XVisualInfo *vis;
|
|
|
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if (!getenv( varname )) {
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return NULL;
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}
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|
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strncpy( value, getenv(varname), 100 );
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value[99] = 0;
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|
|
sscanf( value, "%s %d", type, &depth );
|
|
|
|
if (strcmp(type,"TrueColor")==0) xclass = TrueColor;
|
|
else if (strcmp(type,"DirectColor")==0) xclass = DirectColor;
|
|
else if (strcmp(type,"GrayScale")==0) xclass = GrayScale;
|
|
else if (strcmp(type,"StaticGray")==0) xclass = StaticGray;
|
|
|
|
if (xclass>-1 && depth>0) {
|
|
vis = get_visual( dpy, scr, depth, xclass );
|
|
if (vis) {
|
|
return vis;
|
|
}
|
|
}
|
|
|
|
_mesa_warning(NULL, "GLX unable to find visual class=%s, depth=%d.",
|
|
type, depth);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Select an X visual which satisfies the RGBA/CI flag and minimum depth.
|
|
* Input: dpy, screen - X display and screen number
|
|
* min_depth - minimum visual depth
|
|
* preferred_class - preferred GLX visual class or DONT_CARE
|
|
* Return: pointer to an XVisualInfo or NULL.
|
|
*/
|
|
static XVisualInfo *
|
|
choose_x_visual(Display *dpy, int screen, int min_depth, int preferred_class)
|
|
{
|
|
XVisualInfo *vis;
|
|
int xclass, visclass = 0;
|
|
int depth;
|
|
|
|
/* First see if the MESA_RGB_VISUAL env var is defined */
|
|
vis = get_env_visual( dpy, screen, "MESA_RGB_VISUAL" );
|
|
if (vis) {
|
|
return vis;
|
|
}
|
|
/* Otherwise, search for a suitable visual */
|
|
if (preferred_class==DONT_CARE) {
|
|
for (xclass=0;xclass<4;xclass++) {
|
|
switch (xclass) {
|
|
case 0: visclass = TrueColor; break;
|
|
case 1: visclass = DirectColor; break;
|
|
case 2: visclass = GrayScale; break;
|
|
case 3: visclass = StaticGray; break;
|
|
}
|
|
if (min_depth==0) {
|
|
/* start with shallowest */
|
|
for (depth=0;depth<=32;depth++) {
|
|
vis = get_visual( dpy, screen, depth, visclass );
|
|
if (vis) {
|
|
return vis;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* start with deepest */
|
|
for (depth=32;depth>=min_depth;depth--) {
|
|
vis = get_visual( dpy, screen, depth, visclass );
|
|
if (vis) {
|
|
return vis;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* search for a specific visual class */
|
|
switch (preferred_class) {
|
|
case GLX_TRUE_COLOR_EXT: visclass = TrueColor; break;
|
|
case GLX_DIRECT_COLOR_EXT: visclass = DirectColor; break;
|
|
case GLX_GRAY_SCALE_EXT: visclass = GrayScale; break;
|
|
case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break;
|
|
case GLX_PSEUDO_COLOR_EXT:
|
|
case GLX_STATIC_COLOR_EXT:
|
|
default: return NULL;
|
|
}
|
|
if (min_depth==0) {
|
|
/* start with shallowest */
|
|
for (depth=0;depth<=32;depth++) {
|
|
vis = get_visual( dpy, screen, depth, visclass );
|
|
if (vis) {
|
|
return vis;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* start with deepest */
|
|
for (depth=32;depth>=min_depth;depth--) {
|
|
vis = get_visual( dpy, screen, depth, visclass );
|
|
if (vis) {
|
|
return vis;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* didn't find a visual */
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Find the deepest X over/underlay visual of at least min_depth.
|
|
* Input: dpy, screen - X display and screen number
|
|
* level - the over/underlay level
|
|
* trans_type - transparent pixel type: GLX_NONE_EXT,
|
|
* GLX_TRANSPARENT_RGB_EXT, GLX_TRANSPARENT_INDEX_EXT,
|
|
* or DONT_CARE
|
|
* trans_value - transparent pixel value or DONT_CARE
|
|
* min_depth - minimum visual depth
|
|
* preferred_class - preferred GLX visual class or DONT_CARE
|
|
* Return: pointer to an XVisualInfo or NULL.
|
|
*/
|
|
static XVisualInfo *
|
|
choose_x_overlay_visual( Display *dpy, int scr,
|
|
int level, int trans_type, int trans_value,
|
|
int min_depth, int preferred_class )
|
|
{
|
|
OverlayInfo *overlay_info;
|
|
int numOverlaysPerScreen;
|
|
int i;
|
|
XVisualInfo *deepvis;
|
|
int deepest;
|
|
|
|
/*DEBUG int tt, tv; */
|
|
|
|
switch (preferred_class) {
|
|
case GLX_TRUE_COLOR_EXT: preferred_class = TrueColor; break;
|
|
case GLX_DIRECT_COLOR_EXT: preferred_class = DirectColor; break;
|
|
case GLX_PSEUDO_COLOR_EXT: preferred_class = PseudoColor; break;
|
|
case GLX_STATIC_COLOR_EXT: preferred_class = StaticColor; break;
|
|
case GLX_GRAY_SCALE_EXT: preferred_class = GrayScale; break;
|
|
case GLX_STATIC_GRAY_EXT: preferred_class = StaticGray; break;
|
|
default: preferred_class = DONT_CARE;
|
|
}
|
|
|
|
overlay_info = GetOverlayInfo(dpy, scr, &numOverlaysPerScreen);
|
|
if (!overlay_info) {
|
|
return NULL;
|
|
}
|
|
|
|
/* Search for the deepest overlay which satisifies all criteria. */
|
|
deepest = min_depth;
|
|
deepvis = NULL;
|
|
|
|
for (i = 0; i < numOverlaysPerScreen; i++) {
|
|
const OverlayInfo *ov = overlay_info + i;
|
|
XVisualInfo *vislist, vistemplate;
|
|
int count;
|
|
|
|
if (ov->layer!=level) {
|
|
/* failed overlay level criteria */
|
|
continue;
|
|
}
|
|
if (!(trans_type==DONT_CARE
|
|
|| (trans_type==GLX_TRANSPARENT_INDEX_EXT
|
|
&& ov->transparent_type>0)
|
|
|| (trans_type==GLX_NONE_EXT && ov->transparent_type==0))) {
|
|
/* failed transparent pixel type criteria */
|
|
continue;
|
|
}
|
|
if (trans_value!=DONT_CARE && trans_value!=ov->value) {
|
|
/* failed transparent pixel value criteria */
|
|
continue;
|
|
}
|
|
|
|
/* get XVisualInfo and check the depth */
|
|
vistemplate.visualid = ov->overlay_visual;
|
|
vistemplate.screen = scr;
|
|
vislist = XGetVisualInfo( dpy, VisualIDMask | VisualScreenMask,
|
|
&vistemplate, &count );
|
|
|
|
if (!vislist) {
|
|
/* no matches */
|
|
continue;
|
|
}
|
|
|
|
if (count!=1) {
|
|
/* something went wrong */
|
|
free(vislist);
|
|
continue;
|
|
}
|
|
if (preferred_class!=DONT_CARE && preferred_class!=vislist->CLASS) {
|
|
/* wrong visual class */
|
|
free(vislist);
|
|
continue;
|
|
}
|
|
|
|
/* Color-index rendering is not supported. Make sure we have True/DirectColor */
|
|
if (vislist->CLASS != TrueColor && vislist->CLASS != DirectColor) {
|
|
free(vislist);
|
|
continue;
|
|
}
|
|
|
|
if (deepvis!=NULL && vislist->depth <= deepest) {
|
|
free(vislist);
|
|
continue;
|
|
}
|
|
|
|
/* YES! found a satisfactory visual */
|
|
free(deepvis);
|
|
deepest = vislist->depth;
|
|
deepvis = vislist;
|
|
/* DEBUG tt = ov->transparent_type;*/
|
|
/* DEBUG tv = ov->value; */
|
|
}
|
|
|
|
/*DEBUG
|
|
if (deepvis) {
|
|
printf("chose 0x%x: layer=%d depth=%d trans_type=%d trans_value=%d\n",
|
|
deepvis->visualid, level, deepvis->depth, tt, tv );
|
|
}
|
|
*/
|
|
return deepvis;
|
|
}
|
|
|
|
|
|
/**********************************************************************/
|
|
/*** Display-related functions ***/
|
|
/**********************************************************************/
|
|
|
|
|
|
/**
|
|
* Free all XMesaVisuals which are associated with the given display.
|
|
*/
|
|
static void
|
|
destroy_visuals_on_display(Display *dpy)
|
|
{
|
|
int i;
|
|
for (i = 0; i < NumVisuals; i++) {
|
|
if (VisualTable[i]->display == dpy) {
|
|
/* remove this visual */
|
|
int j;
|
|
XMesaDestroyVisual(VisualTable[i]);
|
|
for (j = i; j < NumVisuals - 1; j++)
|
|
VisualTable[j] = VisualTable[j + 1];
|
|
NumVisuals--;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Called from XCloseDisplay() to let us free our display-related data.
|
|
*/
|
|
static int
|
|
close_display_callback(Display *dpy, XExtCodes *codes)
|
|
{
|
|
destroy_visuals_on_display(dpy);
|
|
xmesa_destroy_buffers_on_display(dpy);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Look for the named extension on given display and return a pointer
|
|
* to the _XExtension data, or NULL if extension not found.
|
|
*/
|
|
static _XExtension *
|
|
lookup_extension(Display *dpy, const char *extName)
|
|
{
|
|
_XExtension *ext;
|
|
for (ext = dpy->ext_procs; ext; ext = ext->next) {
|
|
if (ext->name && strcmp(ext->name, extName) == 0) {
|
|
return ext;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* Whenever we're given a new Display pointer, call this function to
|
|
* register our close_display_callback function.
|
|
*/
|
|
static void
|
|
register_with_display(Display *dpy)
|
|
{
|
|
const char *extName = "MesaGLX";
|
|
_XExtension *ext;
|
|
|
|
ext = lookup_extension(dpy, extName);
|
|
if (!ext) {
|
|
XExtCodes *c = XAddExtension(dpy);
|
|
ext = dpy->ext_procs; /* new extension is at head of list */
|
|
assert(c->extension == ext->codes.extension);
|
|
(void) c; /* silence warning */
|
|
ext->name = strdup(extName);
|
|
ext->close_display = close_display_callback;
|
|
}
|
|
}
|
|
|
|
|
|
/**********************************************************************/
|
|
/*** Begin Fake GLX API Functions ***/
|
|
/**********************************************************************/
|
|
|
|
|
|
/**
|
|
* Helper used by glXChooseVisual and glXChooseFBConfig.
|
|
* The fbConfig parameter must be GL_FALSE for the former and GL_TRUE for
|
|
* the later.
|
|
* In either case, the attribute list is terminated with the value 'None'.
|
|
*/
|
|
static XMesaVisual
|
|
choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
|
|
{
|
|
const GLboolean rgbModeDefault = fbConfig;
|
|
const int *parselist;
|
|
XVisualInfo *vis;
|
|
int min_ci = 0;
|
|
int min_red=0, min_green=0, min_blue=0;
|
|
GLboolean rgb_flag = rgbModeDefault;
|
|
GLboolean alpha_flag = GL_FALSE;
|
|
GLboolean double_flag = GL_FALSE;
|
|
GLboolean stereo_flag = GL_FALSE;
|
|
GLint depth_size = 0;
|
|
GLint stencil_size = 0;
|
|
GLint accumRedSize = 0;
|
|
GLint accumGreenSize = 0;
|
|
GLint accumBlueSize = 0;
|
|
GLint accumAlphaSize = 0;
|
|
int level = 0;
|
|
int visual_type = DONT_CARE;
|
|
int trans_type = DONT_CARE;
|
|
int trans_value = DONT_CARE;
|
|
GLint caveat = DONT_CARE;
|
|
XMesaVisual xmvis = NULL;
|
|
int desiredVisualID = -1;
|
|
int numAux = 0;
|
|
|
|
parselist = list;
|
|
|
|
while (*parselist) {
|
|
|
|
if (fbConfig &&
|
|
parselist[1] == GLX_DONT_CARE &&
|
|
parselist[0] != GLX_LEVEL) {
|
|
/* For glXChooseFBConfig(), skip attributes whose value is
|
|
* GLX_DONT_CARE (-1), unless it's GLX_LEVEL (which can legitimately be
|
|
* a negative value).
|
|
*
|
|
* From page 17 (23 of the pdf) of the GLX 1.4 spec:
|
|
* GLX DONT CARE may be specified for all attributes except GLX LEVEL.
|
|
*/
|
|
parselist += 2;
|
|
continue;
|
|
}
|
|
|
|
switch (*parselist) {
|
|
case GLX_USE_GL:
|
|
if (fbConfig) {
|
|
/* invalid token */
|
|
return NULL;
|
|
}
|
|
else {
|
|
/* skip */
|
|
parselist++;
|
|
}
|
|
break;
|
|
case GLX_BUFFER_SIZE:
|
|
parselist++;
|
|
min_ci = *parselist++;
|
|
break;
|
|
case GLX_LEVEL:
|
|
parselist++;
|
|
level = *parselist++;
|
|
break;
|
|
case GLX_RGBA:
|
|
if (fbConfig) {
|
|
/* invalid token */
|
|
return NULL;
|
|
}
|
|
else {
|
|
rgb_flag = GL_TRUE;
|
|
parselist++;
|
|
}
|
|
break;
|
|
case GLX_DOUBLEBUFFER:
|
|
parselist++;
|
|
if (fbConfig) {
|
|
double_flag = *parselist++;
|
|
}
|
|
else {
|
|
double_flag = GL_TRUE;
|
|
}
|
|
break;
|
|
case GLX_STEREO:
|
|
parselist++;
|
|
if (fbConfig) {
|
|
stereo_flag = *parselist++;
|
|
}
|
|
else {
|
|
stereo_flag = GL_TRUE;
|
|
}
|
|
break;
|
|
case GLX_AUX_BUFFERS:
|
|
parselist++;
|
|
numAux = *parselist++;
|
|
if (numAux > MAX_AUX_BUFFERS)
|
|
return NULL;
|
|
break;
|
|
case GLX_RED_SIZE:
|
|
parselist++;
|
|
min_red = *parselist++;
|
|
break;
|
|
case GLX_GREEN_SIZE:
|
|
parselist++;
|
|
min_green = *parselist++;
|
|
break;
|
|
case GLX_BLUE_SIZE:
|
|
parselist++;
|
|
min_blue = *parselist++;
|
|
break;
|
|
case GLX_ALPHA_SIZE:
|
|
parselist++;
|
|
{
|
|
GLint size = *parselist++;
|
|
alpha_flag = size ? GL_TRUE : GL_FALSE;
|
|
}
|
|
break;
|
|
case GLX_DEPTH_SIZE:
|
|
parselist++;
|
|
depth_size = *parselist++;
|
|
break;
|
|
case GLX_STENCIL_SIZE:
|
|
parselist++;
|
|
stencil_size = *parselist++;
|
|
break;
|
|
case GLX_ACCUM_RED_SIZE:
|
|
parselist++;
|
|
{
|
|
GLint size = *parselist++;
|
|
accumRedSize = MAX2( accumRedSize, size );
|
|
}
|
|
break;
|
|
case GLX_ACCUM_GREEN_SIZE:
|
|
parselist++;
|
|
{
|
|
GLint size = *parselist++;
|
|
accumGreenSize = MAX2( accumGreenSize, size );
|
|
}
|
|
break;
|
|
case GLX_ACCUM_BLUE_SIZE:
|
|
parselist++;
|
|
{
|
|
GLint size = *parselist++;
|
|
accumBlueSize = MAX2( accumBlueSize, size );
|
|
}
|
|
break;
|
|
case GLX_ACCUM_ALPHA_SIZE:
|
|
parselist++;
|
|
{
|
|
GLint size = *parselist++;
|
|
accumAlphaSize = MAX2( accumAlphaSize, size );
|
|
}
|
|
break;
|
|
|
|
/*
|
|
* GLX_EXT_visual_info extension
|
|
*/
|
|
case GLX_X_VISUAL_TYPE_EXT:
|
|
parselist++;
|
|
visual_type = *parselist++;
|
|
break;
|
|
case GLX_TRANSPARENT_TYPE_EXT:
|
|
parselist++;
|
|
trans_type = *parselist++;
|
|
break;
|
|
case GLX_TRANSPARENT_INDEX_VALUE_EXT:
|
|
parselist++;
|
|
trans_value = *parselist++;
|
|
break;
|
|
case GLX_TRANSPARENT_RED_VALUE_EXT:
|
|
case GLX_TRANSPARENT_GREEN_VALUE_EXT:
|
|
case GLX_TRANSPARENT_BLUE_VALUE_EXT:
|
|
case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
|
|
/* ignore */
|
|
parselist++;
|
|
parselist++;
|
|
break;
|
|
|
|
/*
|
|
* GLX_EXT_visual_info extension
|
|
*/
|
|
case GLX_VISUAL_CAVEAT_EXT:
|
|
parselist++;
|
|
caveat = *parselist++; /* ignored for now */
|
|
break;
|
|
|
|
/*
|
|
* GLX_ARB_multisample
|
|
*/
|
|
case GLX_SAMPLE_BUFFERS_ARB:
|
|
case GLX_SAMPLES_ARB:
|
|
parselist++;
|
|
if (*parselist++ != 0)
|
|
/* ms not supported */
|
|
return NULL;
|
|
break;
|
|
|
|
/*
|
|
* FBConfig attribs.
|
|
*/
|
|
case GLX_RENDER_TYPE:
|
|
if (!fbConfig)
|
|
return NULL;
|
|
parselist++;
|
|
if (*parselist & GLX_RGBA_BIT) {
|
|
rgb_flag = GL_TRUE;
|
|
}
|
|
else if (*parselist & GLX_COLOR_INDEX_BIT) {
|
|
rgb_flag = GL_FALSE;
|
|
}
|
|
else if (*parselist & (GLX_RGBA_FLOAT_BIT_ARB|GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT)) {
|
|
rgb_flag = GL_TRUE;
|
|
}
|
|
else if (*parselist == 0) {
|
|
rgb_flag = GL_TRUE;
|
|
}
|
|
parselist++;
|
|
break;
|
|
case GLX_DRAWABLE_TYPE:
|
|
if (!fbConfig)
|
|
return NULL;
|
|
parselist++;
|
|
if (*parselist & ~(GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT)) {
|
|
return NULL; /* bad bit */
|
|
}
|
|
parselist++;
|
|
break;
|
|
case GLX_FBCONFIG_ID:
|
|
case GLX_VISUAL_ID:
|
|
if (!fbConfig)
|
|
return NULL;
|
|
parselist++;
|
|
desiredVisualID = *parselist++;
|
|
break;
|
|
case GLX_X_RENDERABLE:
|
|
case GLX_MAX_PBUFFER_WIDTH:
|
|
case GLX_MAX_PBUFFER_HEIGHT:
|
|
case GLX_MAX_PBUFFER_PIXELS:
|
|
if (!fbConfig)
|
|
return NULL;
|
|
parselist += 2;
|
|
/* ignore */
|
|
break;
|
|
|
|
case GLX_BIND_TO_TEXTURE_RGB_EXT:
|
|
parselist++; /*skip*/
|
|
break;
|
|
case GLX_BIND_TO_TEXTURE_RGBA_EXT:
|
|
parselist++; /*skip*/
|
|
break;
|
|
case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
|
|
parselist++; /*skip*/
|
|
break;
|
|
case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
|
|
parselist++;
|
|
if (*parselist & ~(GLX_TEXTURE_1D_BIT_EXT |
|
|
GLX_TEXTURE_2D_BIT_EXT |
|
|
GLX_TEXTURE_RECTANGLE_BIT_EXT)) {
|
|
/* invalid bit */
|
|
return NULL;
|
|
}
|
|
break;
|
|
case GLX_Y_INVERTED_EXT:
|
|
parselist++; /*skip*/
|
|
break;
|
|
|
|
case None:
|
|
/* end of list */
|
|
break;
|
|
|
|
default:
|
|
/* undefined attribute */
|
|
_mesa_warning(NULL, "unexpected attrib 0x%x in choose_visual()",
|
|
*parselist);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if (!rgb_flag)
|
|
return NULL;
|
|
|
|
(void) caveat;
|
|
(void) min_ci;
|
|
|
|
/*
|
|
* Since we're only simulating the GLX extension this function will never
|
|
* find any real GL visuals. Instead, all we can do is try to find an RGB
|
|
* or CI visual of appropriate depth. Other requested attributes such as
|
|
* double buffering, depth buffer, etc. will be associated with the X
|
|
* visual and stored in the VisualTable[].
|
|
*/
|
|
if (desiredVisualID != -1) {
|
|
/* try to get a specific visual, by visualID */
|
|
XVisualInfo temp;
|
|
int n;
|
|
temp.visualid = desiredVisualID;
|
|
temp.screen = screen;
|
|
vis = XGetVisualInfo(dpy, VisualIDMask | VisualScreenMask, &temp, &n);
|
|
if (vis) {
|
|
/* give the visual some useful GLX attributes */
|
|
double_flag = GL_TRUE;
|
|
if (vis->depth <= 8)
|
|
return NULL;
|
|
depth_size = default_depth_bits();
|
|
stencil_size = 8;
|
|
/* XXX accum??? */
|
|
}
|
|
}
|
|
else {
|
|
/* RGB visual */
|
|
int min_rgb = min_red + min_green + min_blue;
|
|
if (min_rgb>1 && min_rgb<8) {
|
|
/* a special case to be sure we can get a monochrome visual */
|
|
min_rgb = 1;
|
|
}
|
|
|
|
if (level==0) {
|
|
vis = choose_x_visual(dpy, screen, min_rgb, visual_type);
|
|
}
|
|
else {
|
|
vis = choose_x_overlay_visual(dpy, screen, level,
|
|
trans_type, trans_value, min_rgb, visual_type);
|
|
}
|
|
}
|
|
|
|
if (vis) {
|
|
/* Note: we're not exactly obeying the glXChooseVisual rules here.
|
|
* When GLX_DEPTH_SIZE = 1 is specified we're supposed to choose the
|
|
* largest depth buffer size, which is 32bits/value. Instead, we
|
|
* return 16 to maintain performance with earlier versions of Mesa.
|
|
*/
|
|
if (depth_size > 24)
|
|
depth_size = 32;
|
|
else if (depth_size > 16)
|
|
depth_size = 24;
|
|
else if (depth_size > 0) {
|
|
depth_size = default_depth_bits();
|
|
}
|
|
|
|
if (!alpha_flag) {
|
|
alpha_flag = default_alpha_bits() > 0;
|
|
}
|
|
|
|
/* we only support one size of stencil and accum buffers. */
|
|
if (stencil_size > 0)
|
|
stencil_size = 8;
|
|
if (accumRedSize > 0 || accumGreenSize > 0 || accumBlueSize > 0 ||
|
|
accumAlphaSize > 0) {
|
|
accumRedSize =
|
|
accumGreenSize =
|
|
accumBlueSize = default_accum_bits();
|
|
accumAlphaSize = alpha_flag ? accumRedSize : 0;
|
|
}
|
|
|
|
xmvis = save_glx_visual( dpy, vis, alpha_flag, double_flag,
|
|
stereo_flag, depth_size, stencil_size,
|
|
accumRedSize, accumGreenSize,
|
|
accumBlueSize, accumAlphaSize, level, numAux );
|
|
free(vis);
|
|
}
|
|
|
|
return xmvis;
|
|
}
|
|
|
|
|
|
static XVisualInfo *
|
|
Fake_glXChooseVisual( Display *dpy, int screen, int *list )
|
|
{
|
|
XMesaVisual xmvis;
|
|
|
|
/* register ourselves as an extension on this display */
|
|
register_with_display(dpy);
|
|
|
|
xmvis = choose_visual(dpy, screen, list, GL_FALSE);
|
|
if (xmvis) {
|
|
XVisualInfo* visinfo = malloc(sizeof(XVisualInfo));
|
|
if (visinfo) {
|
|
memcpy(visinfo, xmvis->visinfo, sizeof(XVisualInfo));
|
|
}
|
|
return visinfo;
|
|
}
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static GLXContext
|
|
Fake_glXCreateContext( Display *dpy, XVisualInfo *visinfo,
|
|
GLXContext share_list, Bool direct )
|
|
{
|
|
XMesaVisual xmvis;
|
|
XMesaContext xmesaCtx;
|
|
|
|
if (!dpy || !visinfo)
|
|
return 0;
|
|
|
|
/* deallocate unused windows/buffers */
|
|
#if 0
|
|
XMesaGarbageCollect(dpy);
|
|
#endif
|
|
|
|
xmvis = find_glx_visual( dpy, visinfo );
|
|
if (!xmvis) {
|
|
/* This visual wasn't found with glXChooseVisual() */
|
|
xmvis = create_glx_visual( dpy, visinfo );
|
|
if (!xmvis) {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
xmesaCtx = XMesaCreateContext(xmvis, (XMesaContext) share_list);
|
|
|
|
return (GLXContext) xmesaCtx;
|
|
}
|
|
|
|
|
|
/* XXX these may have to be removed due to thread-safety issues. */
|
|
static GLXContext MakeCurrent_PrevContext = 0;
|
|
static GLXDrawable MakeCurrent_PrevDrawable = 0;
|
|
static GLXDrawable MakeCurrent_PrevReadable = 0;
|
|
static XMesaBuffer MakeCurrent_PrevDrawBuffer = 0;
|
|
static XMesaBuffer MakeCurrent_PrevReadBuffer = 0;
|
|
|
|
|
|
/* GLX 1.3 and later */
|
|
static Bool
|
|
Fake_glXMakeContextCurrent( Display *dpy, GLXDrawable draw,
|
|
GLXDrawable read, GLXContext ctx )
|
|
{
|
|
if (ctx && draw && read) {
|
|
XMesaBuffer drawBuffer, readBuffer;
|
|
XMesaContext xmctx = (XMesaContext) ctx;
|
|
|
|
/* Find the XMesaBuffer which corresponds to the GLXDrawable 'draw' */
|
|
if (ctx == MakeCurrent_PrevContext
|
|
&& draw == MakeCurrent_PrevDrawable) {
|
|
drawBuffer = MakeCurrent_PrevDrawBuffer;
|
|
}
|
|
else {
|
|
drawBuffer = XMesaFindBuffer( dpy, draw );
|
|
}
|
|
if (!drawBuffer) {
|
|
/* drawable must be a new window! */
|
|
drawBuffer = XMesaCreateWindowBuffer( xmctx->xm_visual, draw );
|
|
if (!drawBuffer) {
|
|
/* Out of memory, or context/drawable depth mismatch */
|
|
return False;
|
|
}
|
|
}
|
|
|
|
/* Find the XMesaBuffer which corresponds to the GLXDrawable 'read' */
|
|
if (ctx == MakeCurrent_PrevContext
|
|
&& read == MakeCurrent_PrevReadable) {
|
|
readBuffer = MakeCurrent_PrevReadBuffer;
|
|
}
|
|
else {
|
|
readBuffer = XMesaFindBuffer( dpy, read );
|
|
}
|
|
if (!readBuffer) {
|
|
/* drawable must be a new window! */
|
|
readBuffer = XMesaCreateWindowBuffer( xmctx->xm_visual, read );
|
|
if (!readBuffer) {
|
|
/* Out of memory, or context/drawable depth mismatch */
|
|
return False;
|
|
}
|
|
}
|
|
|
|
MakeCurrent_PrevContext = ctx;
|
|
MakeCurrent_PrevDrawable = draw;
|
|
MakeCurrent_PrevReadable = read;
|
|
MakeCurrent_PrevDrawBuffer = drawBuffer;
|
|
MakeCurrent_PrevReadBuffer = readBuffer;
|
|
|
|
/* Now make current! */
|
|
return XMesaMakeCurrent2(xmctx, drawBuffer, readBuffer);
|
|
}
|
|
else if (!ctx && !draw && !read) {
|
|
/* release current context w/out assigning new one. */
|
|
XMesaMakeCurrent( NULL, NULL );
|
|
MakeCurrent_PrevContext = 0;
|
|
MakeCurrent_PrevDrawable = 0;
|
|
MakeCurrent_PrevReadable = 0;
|
|
MakeCurrent_PrevDrawBuffer = 0;
|
|
MakeCurrent_PrevReadBuffer = 0;
|
|
return True;
|
|
}
|
|
else {
|
|
/* The args must either all be non-zero or all zero.
|
|
* This is an error.
|
|
*/
|
|
return False;
|
|
}
|
|
}
|
|
|
|
|
|
static Bool
|
|
Fake_glXMakeCurrent( Display *dpy, GLXDrawable drawable, GLXContext ctx )
|
|
{
|
|
return Fake_glXMakeContextCurrent( dpy, drawable, drawable, ctx );
|
|
}
|
|
|
|
|
|
static GLXPixmap
|
|
Fake_glXCreateGLXPixmap( Display *dpy, XVisualInfo *visinfo, Pixmap pixmap )
|
|
{
|
|
XMesaVisual v;
|
|
XMesaBuffer b;
|
|
|
|
v = find_glx_visual( dpy, visinfo );
|
|
if (!v) {
|
|
v = create_glx_visual( dpy, visinfo );
|
|
if (!v) {
|
|
/* unusable visual */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
|
|
if (!b) {
|
|
return 0;
|
|
}
|
|
return b->frontxrb->pixmap;
|
|
}
|
|
|
|
|
|
/*** GLX_MESA_pixmap_colormap ***/
|
|
|
|
static GLXPixmap
|
|
Fake_glXCreateGLXPixmapMESA( Display *dpy, XVisualInfo *visinfo,
|
|
Pixmap pixmap, Colormap cmap )
|
|
{
|
|
XMesaVisual v;
|
|
XMesaBuffer b;
|
|
|
|
v = find_glx_visual( dpy, visinfo );
|
|
if (!v) {
|
|
v = create_glx_visual( dpy, visinfo );
|
|
if (!v) {
|
|
/* unusable visual */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
b = XMesaCreatePixmapBuffer( v, pixmap, cmap );
|
|
if (!b) {
|
|
return 0;
|
|
}
|
|
return b->frontxrb->pixmap;
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap )
|
|
{
|
|
XMesaBuffer b = XMesaFindBuffer(dpy, pixmap);
|
|
if (b) {
|
|
XMesaDestroyBuffer(b);
|
|
}
|
|
else if (getenv("MESA_DEBUG")) {
|
|
_mesa_warning(NULL, "Mesa: glXDestroyGLXPixmap: invalid pixmap\n");
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
|
|
unsigned long mask )
|
|
{
|
|
XMesaContext xmSrc = (XMesaContext) src;
|
|
XMesaContext xmDst = (XMesaContext) dst;
|
|
(void) dpy;
|
|
if (MakeCurrent_PrevContext == src) {
|
|
_mesa_Flush();
|
|
}
|
|
_mesa_copy_context( &xmSrc->mesa, &xmDst->mesa, (GLuint) mask );
|
|
}
|
|
|
|
|
|
static Bool
|
|
Fake_glXQueryExtension( Display *dpy, int *errorBase, int *eventBase )
|
|
{
|
|
int op, ev, err;
|
|
/* Mesa's GLX isn't really an X extension but we try to act like one. */
|
|
if (!XQueryExtension(dpy, GLX_EXTENSION_NAME, &op, &ev, &err))
|
|
ev = err = 0;
|
|
if (errorBase)
|
|
*errorBase = err;
|
|
if (eventBase)
|
|
*eventBase = ev;
|
|
return True; /* we're faking GLX so always return success */
|
|
}
|
|
|
|
|
|
extern void _kw_ungrab_all( Display *dpy );
|
|
void _kw_ungrab_all( Display *dpy )
|
|
{
|
|
XUngrabPointer( dpy, CurrentTime );
|
|
XUngrabKeyboard( dpy, CurrentTime );
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXDestroyContext( Display *dpy, GLXContext ctx )
|
|
{
|
|
if (ctx) {
|
|
(void) dpy;
|
|
MakeCurrent_PrevContext = 0;
|
|
MakeCurrent_PrevDrawable = 0;
|
|
MakeCurrent_PrevReadable = 0;
|
|
MakeCurrent_PrevDrawBuffer = 0;
|
|
MakeCurrent_PrevReadBuffer = 0;
|
|
XMesaDestroyContext((XMesaContext) ctx);
|
|
XMesaGarbageCollect(dpy);
|
|
}
|
|
}
|
|
|
|
|
|
static Bool
|
|
Fake_glXIsDirect( Display *dpy, GLXContext ctx )
|
|
{
|
|
XMesaContext xmCtx = (XMesaContext) ctx;
|
|
return xmCtx ? xmCtx->direct : False;
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
Fake_glXSwapBuffers( Display *dpy, GLXDrawable drawable )
|
|
{
|
|
XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable );
|
|
|
|
if (buffer) {
|
|
XMesaSwapBuffers(buffer);
|
|
}
|
|
else if (getenv("MESA_DEBUG")) {
|
|
_mesa_warning(NULL, "glXSwapBuffers: invalid drawable 0x%x\n",
|
|
(int) drawable);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_MESA_copy_sub_buffer ***/
|
|
|
|
static void
|
|
Fake_glXCopySubBufferMESA( Display *dpy, GLXDrawable drawable,
|
|
int x, int y, int width, int height )
|
|
{
|
|
XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable );
|
|
if (buffer) {
|
|
XMesaCopySubBuffer(buffer, x, y, width, height);
|
|
}
|
|
else if (getenv("MESA_DEBUG")) {
|
|
_mesa_warning(NULL, "Mesa: glXCopySubBufferMESA: invalid drawable\n");
|
|
}
|
|
}
|
|
|
|
|
|
static Bool
|
|
Fake_glXQueryVersion( Display *dpy, int *maj, int *min )
|
|
{
|
|
(void) dpy;
|
|
/* Return GLX version, not Mesa version */
|
|
assert(CLIENT_MAJOR_VERSION == SERVER_MAJOR_VERSION);
|
|
*maj = CLIENT_MAJOR_VERSION;
|
|
*min = MIN2( CLIENT_MINOR_VERSION, SERVER_MINOR_VERSION );
|
|
return True;
|
|
}
|
|
|
|
|
|
/*
|
|
* Query the GLX attributes of the given XVisualInfo.
|
|
*/
|
|
static int
|
|
get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
|
|
{
|
|
assert(xmvis);
|
|
switch(attrib) {
|
|
case GLX_USE_GL:
|
|
if (fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = (int) True;
|
|
return 0;
|
|
case GLX_BUFFER_SIZE:
|
|
*value = xmvis->visinfo->depth;
|
|
return 0;
|
|
case GLX_LEVEL:
|
|
*value = 0;
|
|
return 0;
|
|
case GLX_RGBA:
|
|
if (fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = True;
|
|
return 0;
|
|
case GLX_DOUBLEBUFFER:
|
|
*value = (int) xmvis->mesa_visual.doubleBufferMode;
|
|
return 0;
|
|
case GLX_STEREO:
|
|
*value = (int) xmvis->mesa_visual.stereoMode;
|
|
return 0;
|
|
case GLX_AUX_BUFFERS:
|
|
*value = 0;
|
|
return 0;
|
|
case GLX_RED_SIZE:
|
|
*value = xmvis->mesa_visual.redBits;
|
|
return 0;
|
|
case GLX_GREEN_SIZE:
|
|
*value = xmvis->mesa_visual.greenBits;
|
|
return 0;
|
|
case GLX_BLUE_SIZE:
|
|
*value = xmvis->mesa_visual.blueBits;
|
|
return 0;
|
|
case GLX_ALPHA_SIZE:
|
|
*value = xmvis->mesa_visual.alphaBits;
|
|
return 0;
|
|
case GLX_DEPTH_SIZE:
|
|
*value = xmvis->mesa_visual.depthBits;
|
|
return 0;
|
|
case GLX_STENCIL_SIZE:
|
|
*value = xmvis->mesa_visual.stencilBits;
|
|
return 0;
|
|
case GLX_ACCUM_RED_SIZE:
|
|
*value = xmvis->mesa_visual.accumRedBits;
|
|
return 0;
|
|
case GLX_ACCUM_GREEN_SIZE:
|
|
*value = xmvis->mesa_visual.accumGreenBits;
|
|
return 0;
|
|
case GLX_ACCUM_BLUE_SIZE:
|
|
*value = xmvis->mesa_visual.accumBlueBits;
|
|
return 0;
|
|
case GLX_ACCUM_ALPHA_SIZE:
|
|
*value = xmvis->mesa_visual.accumAlphaBits;
|
|
return 0;
|
|
|
|
/*
|
|
* GLX_EXT_visual_info extension
|
|
*/
|
|
case GLX_X_VISUAL_TYPE_EXT:
|
|
switch (xmvis->visinfo->CLASS) {
|
|
case StaticGray: *value = GLX_STATIC_GRAY_EXT; return 0;
|
|
case GrayScale: *value = GLX_GRAY_SCALE_EXT; return 0;
|
|
case StaticColor: *value = GLX_STATIC_GRAY_EXT; return 0;
|
|
case PseudoColor: *value = GLX_PSEUDO_COLOR_EXT; return 0;
|
|
case TrueColor: *value = GLX_TRUE_COLOR_EXT; return 0;
|
|
case DirectColor: *value = GLX_DIRECT_COLOR_EXT; return 0;
|
|
}
|
|
return 0;
|
|
case GLX_TRANSPARENT_TYPE_EXT:
|
|
*value = GLX_NONE_EXT;
|
|
return 0;
|
|
case GLX_TRANSPARENT_INDEX_VALUE_EXT:
|
|
{
|
|
int pixel = transparent_pixel( xmvis );
|
|
if (pixel>=0) {
|
|
*value = pixel;
|
|
}
|
|
/* else undefined */
|
|
}
|
|
return 0;
|
|
case GLX_TRANSPARENT_RED_VALUE_EXT:
|
|
/* undefined */
|
|
return 0;
|
|
case GLX_TRANSPARENT_GREEN_VALUE_EXT:
|
|
/* undefined */
|
|
return 0;
|
|
case GLX_TRANSPARENT_BLUE_VALUE_EXT:
|
|
/* undefined */
|
|
return 0;
|
|
case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
|
|
/* undefined */
|
|
return 0;
|
|
|
|
/*
|
|
* GLX_EXT_visual_info extension
|
|
*/
|
|
case GLX_VISUAL_CAVEAT_EXT:
|
|
*value = GLX_NONE_EXT;
|
|
return 0;
|
|
|
|
/*
|
|
* GLX_ARB_multisample
|
|
*/
|
|
case GLX_SAMPLE_BUFFERS_ARB:
|
|
*value = 0;
|
|
return 0;
|
|
case GLX_SAMPLES_ARB:
|
|
*value = 0;
|
|
return 0;
|
|
|
|
/*
|
|
* For FBConfigs:
|
|
*/
|
|
case GLX_SCREEN_EXT:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = xmvis->visinfo->screen;
|
|
break;
|
|
case GLX_DRAWABLE_TYPE: /*SGIX too */
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT;
|
|
break;
|
|
case GLX_RENDER_TYPE_SGIX:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
if (xmvis->mesa_visual.floatMode)
|
|
*value = GLX_RGBA_FLOAT_BIT_ARB;
|
|
else
|
|
*value = GLX_RGBA_BIT;
|
|
break;
|
|
case GLX_X_RENDERABLE_SGIX:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = True; /* XXX really? */
|
|
break;
|
|
case GLX_FBCONFIG_ID_SGIX:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = xmvis->visinfo->visualid;
|
|
break;
|
|
case GLX_MAX_PBUFFER_WIDTH:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
/* XXX should be same as ctx->Const.MaxRenderbufferSize */
|
|
*value = DisplayWidth(xmvis->display, xmvis->visinfo->screen);
|
|
break;
|
|
case GLX_MAX_PBUFFER_HEIGHT:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = DisplayHeight(xmvis->display, xmvis->visinfo->screen);
|
|
break;
|
|
case GLX_MAX_PBUFFER_PIXELS:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = DisplayWidth(xmvis->display, xmvis->visinfo->screen) *
|
|
DisplayHeight(xmvis->display, xmvis->visinfo->screen);
|
|
break;
|
|
case GLX_VISUAL_ID:
|
|
if (!fbconfig)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
*value = xmvis->visinfo->visualid;
|
|
break;
|
|
|
|
case GLX_BIND_TO_TEXTURE_RGB_EXT:
|
|
*value = True; /*XXX*/
|
|
break;
|
|
case GLX_BIND_TO_TEXTURE_RGBA_EXT:
|
|
/* XXX review */
|
|
*value = xmvis->mesa_visual.alphaBits > 0 ? True : False;
|
|
break;
|
|
case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
|
|
*value = True; /*XXX*/
|
|
break;
|
|
case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
|
|
*value = (GLX_TEXTURE_1D_BIT_EXT |
|
|
GLX_TEXTURE_2D_BIT_EXT |
|
|
GLX_TEXTURE_RECTANGLE_BIT_EXT); /*XXX*/
|
|
break;
|
|
case GLX_Y_INVERTED_EXT:
|
|
*value = True; /*XXX*/
|
|
break;
|
|
|
|
default:
|
|
return GLX_BAD_ATTRIBUTE;
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
|
|
static int
|
|
Fake_glXGetConfig( Display *dpy, XVisualInfo *visinfo,
|
|
int attrib, int *value )
|
|
{
|
|
XMesaVisual xmvis;
|
|
int k;
|
|
if (!dpy || !visinfo)
|
|
return GLX_BAD_ATTRIBUTE;
|
|
|
|
xmvis = find_glx_visual( dpy, visinfo );
|
|
if (!xmvis) {
|
|
/* this visual wasn't obtained with glXChooseVisual */
|
|
xmvis = create_glx_visual( dpy, visinfo );
|
|
if (!xmvis) {
|
|
/* this visual can't be used for GL rendering */
|
|
if (attrib==GLX_USE_GL) {
|
|
*value = (int) False;
|
|
return 0;
|
|
}
|
|
else {
|
|
return GLX_BAD_VISUAL;
|
|
}
|
|
}
|
|
}
|
|
|
|
k = get_config(xmvis, attrib, value, GL_FALSE);
|
|
return k;
|
|
}
|
|
|
|
|
|
static GLXContext
|
|
Fake_glXGetCurrentContext(void)
|
|
{
|
|
XMesaContext xmesa = XMesaGetCurrentContext();
|
|
return (GLXContext) xmesa;
|
|
}
|
|
|
|
static void
|
|
Fake_glXWaitGL( void )
|
|
{
|
|
XMesaContext xmesa = XMesaGetCurrentContext();
|
|
XMesaFlush( xmesa );
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
Fake_glXWaitX( void )
|
|
{
|
|
XMesaContext xmesa = XMesaGetCurrentContext();
|
|
XMesaFlush( xmesa );
|
|
}
|
|
|
|
|
|
static const char *
|
|
get_extensions( void )
|
|
{
|
|
return EXTENSIONS + 23; /* skip "GLX_MESA_set_3dfx_mode" */
|
|
}
|
|
|
|
|
|
|
|
/* GLX 1.1 and later */
|
|
static const char *
|
|
Fake_glXQueryExtensionsString( Display *dpy, int screen )
|
|
{
|
|
(void) dpy;
|
|
(void) screen;
|
|
return get_extensions();
|
|
}
|
|
|
|
|
|
|
|
/* GLX 1.1 and later */
|
|
static const char *
|
|
Fake_glXQueryServerString( Display *dpy, int screen, int name )
|
|
{
|
|
static char version[1000];
|
|
sprintf(version, "%d.%d %s",
|
|
SERVER_MAJOR_VERSION, SERVER_MINOR_VERSION, MESA_GLX_VERSION);
|
|
|
|
(void) dpy;
|
|
(void) screen;
|
|
|
|
switch (name) {
|
|
case GLX_EXTENSIONS:
|
|
return get_extensions();
|
|
case GLX_VENDOR:
|
|
return VENDOR;
|
|
case GLX_VERSION:
|
|
return version;
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* GLX 1.1 and later */
|
|
static const char *
|
|
Fake_glXGetClientString( Display *dpy, int name )
|
|
{
|
|
static char version[1000];
|
|
sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION,
|
|
CLIENT_MINOR_VERSION, MESA_GLX_VERSION);
|
|
|
|
(void) dpy;
|
|
|
|
switch (name) {
|
|
case GLX_EXTENSIONS:
|
|
return get_extensions();
|
|
case GLX_VENDOR:
|
|
return VENDOR;
|
|
case GLX_VERSION:
|
|
return version;
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* GLX 1.3 and later
|
|
*/
|
|
|
|
|
|
static int
|
|
Fake_glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
|
|
int attribute, int *value )
|
|
{
|
|
XMesaVisual v = (XMesaVisual) config;
|
|
(void) dpy;
|
|
(void) config;
|
|
|
|
if (!dpy || !config || !value)
|
|
return -1;
|
|
|
|
return get_config(v, attribute, value, GL_TRUE);
|
|
}
|
|
|
|
|
|
static GLXFBConfig *
|
|
Fake_glXGetFBConfigs( Display *dpy, int screen, int *nelements )
|
|
{
|
|
XVisualInfo *visuals, visTemplate;
|
|
const long visMask = VisualScreenMask;
|
|
int i;
|
|
|
|
/* Get list of all X visuals */
|
|
visTemplate.screen = screen;
|
|
visuals = XGetVisualInfo(dpy, visMask, &visTemplate, nelements);
|
|
if (*nelements > 0) {
|
|
XMesaVisual *results;
|
|
results = malloc(*nelements * sizeof(XMesaVisual));
|
|
if (!results) {
|
|
*nelements = 0;
|
|
return NULL;
|
|
}
|
|
for (i = 0; i < *nelements; i++) {
|
|
results[i] = create_glx_visual(dpy, visuals + i);
|
|
}
|
|
free(visuals);
|
|
return (GLXFBConfig *) results;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static GLXFBConfig *
|
|
Fake_glXChooseFBConfig( Display *dpy, int screen,
|
|
const int *attribList, int *nitems )
|
|
{
|
|
XMesaVisual xmvis;
|
|
|
|
/* register ourselves as an extension on this display */
|
|
register_with_display(dpy);
|
|
|
|
if (!attribList || !attribList[0]) {
|
|
/* return list of all configs (per GLX_SGIX_fbconfig spec) */
|
|
return Fake_glXGetFBConfigs(dpy, screen, nitems);
|
|
}
|
|
|
|
xmvis = choose_visual(dpy, screen, attribList, GL_TRUE);
|
|
if (xmvis) {
|
|
GLXFBConfig *config = malloc(sizeof(XMesaVisual));
|
|
if (!config) {
|
|
*nitems = 0;
|
|
return NULL;
|
|
}
|
|
*nitems = 1;
|
|
config[0] = (GLXFBConfig) xmvis;
|
|
return (GLXFBConfig *) config;
|
|
}
|
|
else {
|
|
*nitems = 0;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
static XVisualInfo *
|
|
Fake_glXGetVisualFromFBConfig( Display *dpy, GLXFBConfig config )
|
|
{
|
|
if (dpy && config) {
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
XVisualInfo* visinfo = malloc(sizeof(XVisualInfo));
|
|
if (visinfo) {
|
|
memcpy(visinfo, xmvis->visinfo, sizeof(XVisualInfo));
|
|
}
|
|
return visinfo;
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
static GLXWindow
|
|
Fake_glXCreateWindow( Display *dpy, GLXFBConfig config, Window win,
|
|
const int *attribList )
|
|
{
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
XMesaBuffer xmbuf;
|
|
if (!xmvis)
|
|
return 0;
|
|
|
|
xmbuf = XMesaCreateWindowBuffer(xmvis, win);
|
|
if (!xmbuf)
|
|
return 0;
|
|
|
|
(void) dpy;
|
|
(void) attribList; /* Ignored in GLX 1.3 */
|
|
|
|
return win; /* A hack for now */
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXDestroyWindow( Display *dpy, GLXWindow window )
|
|
{
|
|
XMesaBuffer b = XMesaFindBuffer(dpy, (XMesaDrawable) window);
|
|
if (b)
|
|
XMesaDestroyBuffer(b);
|
|
/* don't destroy X window */
|
|
}
|
|
|
|
|
|
/* XXX untested */
|
|
static GLXPixmap
|
|
Fake_glXCreatePixmap( Display *dpy, GLXFBConfig config, Pixmap pixmap,
|
|
const int *attribList )
|
|
{
|
|
XMesaVisual v = (XMesaVisual) config;
|
|
XMesaBuffer b;
|
|
const int *attr;
|
|
int target = 0, format = 0, mipmap = 0;
|
|
int value;
|
|
|
|
if (!dpy || !config || !pixmap)
|
|
return 0;
|
|
|
|
for (attr = attribList; attr && *attr; attr++) {
|
|
switch (*attr) {
|
|
case GLX_TEXTURE_FORMAT_EXT:
|
|
attr++;
|
|
switch (*attr) {
|
|
case GLX_TEXTURE_FORMAT_NONE_EXT:
|
|
case GLX_TEXTURE_FORMAT_RGB_EXT:
|
|
case GLX_TEXTURE_FORMAT_RGBA_EXT:
|
|
format = *attr;
|
|
break;
|
|
default:
|
|
/* error */
|
|
return 0;
|
|
}
|
|
break;
|
|
case GLX_TEXTURE_TARGET_EXT:
|
|
attr++;
|
|
switch (*attr) {
|
|
case GLX_TEXTURE_1D_EXT:
|
|
case GLX_TEXTURE_2D_EXT:
|
|
case GLX_TEXTURE_RECTANGLE_EXT:
|
|
target = *attr;
|
|
break;
|
|
default:
|
|
/* error */
|
|
return 0;
|
|
}
|
|
break;
|
|
case GLX_MIPMAP_TEXTURE_EXT:
|
|
attr++;
|
|
if (*attr)
|
|
mipmap = 1;
|
|
break;
|
|
default:
|
|
/* error */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (format == GLX_TEXTURE_FORMAT_RGB_EXT) {
|
|
if (get_config(v, GLX_BIND_TO_TEXTURE_RGB_EXT,
|
|
&value, GL_TRUE) != Success
|
|
|| !value) {
|
|
return 0; /* error! */
|
|
}
|
|
}
|
|
else if (format == GLX_TEXTURE_FORMAT_RGBA_EXT) {
|
|
if (get_config(v, GLX_BIND_TO_TEXTURE_RGBA_EXT,
|
|
&value, GL_TRUE) != Success
|
|
|| !value) {
|
|
return 0; /* error! */
|
|
}
|
|
}
|
|
if (mipmap) {
|
|
if (get_config(v, GLX_BIND_TO_MIPMAP_TEXTURE_EXT,
|
|
&value, GL_TRUE) != Success
|
|
|| !value) {
|
|
return 0; /* error! */
|
|
}
|
|
}
|
|
if (target == GLX_TEXTURE_1D_EXT) {
|
|
if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
|
|
&value, GL_TRUE) != Success
|
|
|| (value & GLX_TEXTURE_1D_BIT_EXT) == 0) {
|
|
return 0; /* error! */
|
|
}
|
|
}
|
|
else if (target == GLX_TEXTURE_2D_EXT) {
|
|
if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
|
|
&value, GL_TRUE) != Success
|
|
|| (value & GLX_TEXTURE_2D_BIT_EXT) == 0) {
|
|
return 0; /* error! */
|
|
}
|
|
}
|
|
if (target == GLX_TEXTURE_RECTANGLE_EXT) {
|
|
if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
|
|
&value, GL_TRUE) != Success
|
|
|| (value & GLX_TEXTURE_RECTANGLE_BIT_EXT) == 0) {
|
|
return 0; /* error! */
|
|
}
|
|
}
|
|
|
|
if (format || target || mipmap) {
|
|
/* texture from pixmap */
|
|
b = XMesaCreatePixmapTextureBuffer(v, pixmap, 0, format, target, mipmap);
|
|
}
|
|
else {
|
|
b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
|
|
}
|
|
if (!b) {
|
|
return 0;
|
|
}
|
|
|
|
return pixmap;
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXDestroyPixmap( Display *dpy, GLXPixmap pixmap )
|
|
{
|
|
XMesaBuffer b = XMesaFindBuffer(dpy, (XMesaDrawable)pixmap);
|
|
if (b)
|
|
XMesaDestroyBuffer(b);
|
|
/* don't destroy X pixmap */
|
|
}
|
|
|
|
|
|
static GLXPbuffer
|
|
Fake_glXCreatePbuffer( Display *dpy, GLXFBConfig config,
|
|
const int *attribList )
|
|
{
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
XMesaBuffer xmbuf;
|
|
const int *attrib;
|
|
int width = 0, height = 0;
|
|
GLboolean useLargest = GL_FALSE, preserveContents = GL_FALSE;
|
|
|
|
(void) dpy;
|
|
|
|
for (attrib = attribList; *attrib; attrib++) {
|
|
switch (*attrib) {
|
|
case GLX_PBUFFER_WIDTH:
|
|
attrib++;
|
|
width = *attrib;
|
|
break;
|
|
case GLX_PBUFFER_HEIGHT:
|
|
attrib++;
|
|
height = *attrib;
|
|
break;
|
|
case GLX_PRESERVED_CONTENTS:
|
|
attrib++;
|
|
preserveContents = *attrib;
|
|
break;
|
|
case GLX_LARGEST_PBUFFER:
|
|
attrib++;
|
|
useLargest = *attrib;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (width == 0 || height == 0)
|
|
return 0;
|
|
|
|
if (width > SWRAST_MAX_WIDTH || height > SWRAST_MAX_HEIGHT) {
|
|
/* If allocation would have failed and GLX_LARGEST_PBUFFER is set,
|
|
* allocate the largest possible buffer.
|
|
*/
|
|
if (useLargest) {
|
|
width = SWRAST_MAX_WIDTH;
|
|
height = SWRAST_MAX_HEIGHT;
|
|
}
|
|
}
|
|
|
|
xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
|
|
/* A GLXPbuffer handle must be an X Drawable because that's what
|
|
* glXMakeCurrent takes.
|
|
*/
|
|
if (xmbuf) {
|
|
xmbuf->largestPbuffer = useLargest;
|
|
xmbuf->preservedContents = preserveContents;
|
|
return (GLXPbuffer) xmbuf->frontxrb->pixmap;
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf )
|
|
{
|
|
XMesaBuffer b = XMesaFindBuffer(dpy, pbuf);
|
|
if (b) {
|
|
XMesaDestroyBuffer(b);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
|
|
unsigned int *value )
|
|
{
|
|
XMesaBuffer xmbuf = XMesaFindBuffer(dpy, draw);
|
|
if (!xmbuf)
|
|
return;
|
|
|
|
/* make sure buffer's dimensions are up to date */
|
|
xmesa_check_and_update_buffer_size(NULL, xmbuf);
|
|
|
|
switch (attribute) {
|
|
case GLX_WIDTH:
|
|
*value = xmbuf->mesa_buffer.Width;
|
|
break;
|
|
case GLX_HEIGHT:
|
|
*value = xmbuf->mesa_buffer.Height;
|
|
break;
|
|
case GLX_PRESERVED_CONTENTS:
|
|
*value = xmbuf->preservedContents;
|
|
break;
|
|
case GLX_LARGEST_PBUFFER:
|
|
*value = xmbuf->largestPbuffer;
|
|
break;
|
|
case GLX_FBCONFIG_ID:
|
|
*value = xmbuf->xm_visual->visinfo->visualid;
|
|
return;
|
|
case GLX_TEXTURE_FORMAT_EXT:
|
|
*value = xmbuf->TextureFormat;
|
|
break;
|
|
case GLX_TEXTURE_TARGET_EXT:
|
|
*value = xmbuf->TextureTarget;
|
|
break;
|
|
case GLX_MIPMAP_TEXTURE_EXT:
|
|
*value = xmbuf->TextureMipmap;
|
|
break;
|
|
|
|
default:
|
|
return; /* raise BadValue error */
|
|
}
|
|
}
|
|
|
|
|
|
static GLXContext
|
|
Fake_glXCreateNewContext( Display *dpy, GLXFBConfig config,
|
|
int renderType, GLXContext shareList, Bool direct )
|
|
{
|
|
XMesaContext xmCtx;
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
|
|
if (!dpy || !config ||
|
|
(renderType != GLX_RGBA_TYPE &&
|
|
renderType != GLX_COLOR_INDEX_TYPE &&
|
|
renderType != GLX_RGBA_FLOAT_TYPE_ARB &&
|
|
renderType != GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT))
|
|
return 0;
|
|
|
|
/* deallocate unused windows/buffers */
|
|
XMesaGarbageCollect(dpy);
|
|
|
|
xmCtx = XMesaCreateContext(xmvis, (XMesaContext) shareList);
|
|
|
|
return (GLXContext) xmCtx;
|
|
}
|
|
|
|
|
|
static int
|
|
Fake_glXQueryContext( Display *dpy, GLXContext ctx, int attribute, int *value )
|
|
{
|
|
XMesaContext xmctx = (XMesaContext) ctx;
|
|
(void) dpy;
|
|
(void) ctx;
|
|
|
|
switch (attribute) {
|
|
case GLX_FBCONFIG_ID:
|
|
*value = xmctx->xm_visual->visinfo->visualid;
|
|
break;
|
|
case GLX_RENDER_TYPE:
|
|
*value = GLX_RGBA_TYPE;
|
|
break;
|
|
case GLX_SCREEN:
|
|
*value = 0;
|
|
return Success;
|
|
default:
|
|
return GLX_BAD_ATTRIBUTE;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXSelectEvent( Display *dpy, GLXDrawable drawable, unsigned long mask )
|
|
{
|
|
XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
|
|
if (xmbuf)
|
|
xmbuf->selectedEvents = mask;
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXGetSelectedEvent( Display *dpy, GLXDrawable drawable,
|
|
unsigned long *mask )
|
|
{
|
|
XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
|
|
if (xmbuf)
|
|
*mask = xmbuf->selectedEvents;
|
|
else
|
|
*mask = 0;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGI_swap_control ***/
|
|
|
|
static int
|
|
Fake_glXSwapIntervalSGI(int interval)
|
|
{
|
|
(void) interval;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGI_video_sync ***/
|
|
|
|
static unsigned int FrameCounter = 0;
|
|
|
|
static int
|
|
Fake_glXGetVideoSyncSGI(unsigned int *count)
|
|
{
|
|
/* this is a bogus implementation */
|
|
*count = FrameCounter++;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
Fake_glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
|
|
{
|
|
if (divisor <= 0 || remainder < 0)
|
|
return GLX_BAD_VALUE;
|
|
/* this is a bogus implementation */
|
|
FrameCounter++;
|
|
while (FrameCounter % divisor != remainder)
|
|
FrameCounter++;
|
|
*count = FrameCounter;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGI_make_current_read ***/
|
|
|
|
static Bool
|
|
Fake_glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
|
|
{
|
|
return Fake_glXMakeContextCurrent( dpy, draw, read, ctx );
|
|
}
|
|
|
|
/* not used
|
|
static GLXDrawable
|
|
Fake_glXGetCurrentReadDrawableSGI(void)
|
|
{
|
|
return 0;
|
|
}
|
|
*/
|
|
|
|
|
|
/*** GLX_SGIX_video_source ***/
|
|
#if defined(_VL_H)
|
|
|
|
static GLXVideoSourceSGIX
|
|
Fake_glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode)
|
|
{
|
|
(void) dpy;
|
|
(void) screen;
|
|
(void) server;
|
|
(void) path;
|
|
(void) nodeClass;
|
|
(void) drainNode;
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
Fake_glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src)
|
|
{
|
|
(void) dpy;
|
|
(void) src;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
/*** GLX_EXT_import_context ***/
|
|
|
|
static void
|
|
Fake_glXFreeContextEXT(Display *dpy, GLXContext context)
|
|
{
|
|
(void) dpy;
|
|
(void) context;
|
|
}
|
|
|
|
static GLXContextID
|
|
Fake_glXGetContextIDEXT(const GLXContext context)
|
|
{
|
|
(void) context;
|
|
return 0;
|
|
}
|
|
|
|
static GLXContext
|
|
Fake_glXImportContextEXT(Display *dpy, GLXContextID contextID)
|
|
{
|
|
(void) dpy;
|
|
(void) contextID;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
Fake_glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute, int *value)
|
|
{
|
|
(void) dpy;
|
|
(void) context;
|
|
(void) attribute;
|
|
(void) value;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGIX_fbconfig ***/
|
|
|
|
static int
|
|
Fake_glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute, int *value)
|
|
{
|
|
return Fake_glXGetFBConfigAttrib(dpy, config, attribute, value);
|
|
}
|
|
|
|
static GLXFBConfigSGIX *
|
|
Fake_glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_list, int *nelements)
|
|
{
|
|
return (GLXFBConfig *) Fake_glXChooseFBConfig(dpy, screen, attrib_list, nelements);
|
|
}
|
|
|
|
|
|
static GLXPixmap
|
|
Fake_glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap)
|
|
{
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
XMesaBuffer xmbuf = XMesaCreatePixmapBuffer(xmvis, pixmap, 0);
|
|
return xmbuf->frontxrb->pixmap; /* need to return an X ID */
|
|
}
|
|
|
|
|
|
static GLXContext
|
|
Fake_glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct)
|
|
{
|
|
XMesaContext xmCtx;
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
|
|
/* deallocate unused windows/buffers */
|
|
XMesaGarbageCollect(dpy);
|
|
|
|
xmCtx = XMesaCreateContext(xmvis, (XMesaContext) share_list);
|
|
|
|
return (GLXContext) xmCtx;
|
|
}
|
|
|
|
|
|
static XVisualInfo *
|
|
Fake_glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config)
|
|
{
|
|
return Fake_glXGetVisualFromFBConfig(dpy, config);
|
|
}
|
|
|
|
|
|
static GLXFBConfigSGIX
|
|
Fake_glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis)
|
|
{
|
|
XMesaVisual xmvis = find_glx_visual(dpy, vis);
|
|
if (!xmvis) {
|
|
/* This visual wasn't found with glXChooseVisual() */
|
|
xmvis = create_glx_visual(dpy, vis);
|
|
}
|
|
|
|
return (GLXFBConfigSGIX) xmvis;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGIX_pbuffer ***/
|
|
|
|
static GLXPbufferSGIX
|
|
Fake_glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config,
|
|
unsigned int width, unsigned int height,
|
|
int *attribList)
|
|
{
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
XMesaBuffer xmbuf;
|
|
const int *attrib;
|
|
GLboolean useLargest = GL_FALSE, preserveContents = GL_FALSE;
|
|
|
|
(void) dpy;
|
|
|
|
for (attrib = attribList; attrib && *attrib; attrib++) {
|
|
switch (*attrib) {
|
|
case GLX_PRESERVED_CONTENTS_SGIX:
|
|
attrib++;
|
|
preserveContents = *attrib; /* ignored */
|
|
break;
|
|
case GLX_LARGEST_PBUFFER_SGIX:
|
|
attrib++;
|
|
useLargest = *attrib; /* ignored */
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* not used at this time */
|
|
(void) useLargest;
|
|
(void) preserveContents;
|
|
|
|
xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
|
|
/* A GLXPbuffer handle must be an X Drawable because that's what
|
|
* glXMakeCurrent takes.
|
|
*/
|
|
return (GLXPbuffer) xmbuf->frontxrb->pixmap;
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf)
|
|
{
|
|
XMesaBuffer xmbuf = XMesaFindBuffer(dpy, pbuf);
|
|
if (xmbuf) {
|
|
XMesaDestroyBuffer(xmbuf);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value)
|
|
{
|
|
const XMesaBuffer xmbuf = XMesaFindBuffer(dpy, pbuf);
|
|
|
|
if (!xmbuf) {
|
|
/* Generate GLXBadPbufferSGIX for bad pbuffer */
|
|
return;
|
|
}
|
|
|
|
switch (attribute) {
|
|
case GLX_PRESERVED_CONTENTS_SGIX:
|
|
*value = xmbuf->preservedContents;
|
|
break;
|
|
case GLX_LARGEST_PBUFFER_SGIX:
|
|
*value = xmbuf->largestPbuffer;
|
|
break;
|
|
case GLX_WIDTH_SGIX:
|
|
*value = xmbuf->mesa_buffer.Width;
|
|
break;
|
|
case GLX_HEIGHT_SGIX:
|
|
*value = xmbuf->mesa_buffer.Height;
|
|
break;
|
|
case GLX_EVENT_MASK_SGIX:
|
|
*value = 0; /* XXX might be wrong */
|
|
break;
|
|
default:
|
|
*value = 0;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask)
|
|
{
|
|
XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
|
|
if (xmbuf) {
|
|
/* Note: we'll never generate clobber events */
|
|
xmbuf->selectedEvents = mask;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
Fake_glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *mask)
|
|
{
|
|
XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
|
|
if (xmbuf) {
|
|
*mask = xmbuf->selectedEvents;
|
|
}
|
|
else {
|
|
*mask = 0;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGI_cushion ***/
|
|
|
|
static void
|
|
Fake_glXCushionSGI(Display *dpy, Window win, float cushion)
|
|
{
|
|
(void) dpy;
|
|
(void) win;
|
|
(void) cushion;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGIX_video_resize ***/
|
|
|
|
static int
|
|
Fake_glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window window)
|
|
{
|
|
(void) dpy;
|
|
(void) screen;
|
|
(void) channel;
|
|
(void) window;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
Fake_glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int w, int h)
|
|
{
|
|
(void) dpy;
|
|
(void) screen;
|
|
(void) channel;
|
|
(void) x;
|
|
(void) y;
|
|
(void) w;
|
|
(void) h;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
Fake_glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *y, int *w, int *h)
|
|
{
|
|
(void) dpy;
|
|
(void) screen;
|
|
(void) channel;
|
|
(void) x;
|
|
(void) y;
|
|
(void) w;
|
|
(void) h;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
Fake_glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, int *dy, int *dw, int *dh)
|
|
{
|
|
(void) dpy;
|
|
(void) screen;
|
|
(void) channel;
|
|
(void) dx;
|
|
(void) dy;
|
|
(void) dw;
|
|
(void) dh;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
Fake_glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctype)
|
|
{
|
|
(void) dpy;
|
|
(void) screen;
|
|
(void) channel;
|
|
(void) synctype;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_SGIX_dmbuffer **/
|
|
|
|
#if defined(_DM_BUFFER_H_)
|
|
static Bool
|
|
Fake_glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer)
|
|
{
|
|
(void) dpy;
|
|
(void) pbuffer;
|
|
(void) params;
|
|
(void) dmbuffer;
|
|
return False;
|
|
}
|
|
#endif
|
|
|
|
|
|
/*** GLX_SUN_get_transparent_index ***/
|
|
|
|
static Status
|
|
Fake_glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, unsigned long *pTransparent)
|
|
{
|
|
(void) dpy;
|
|
(void) overlay;
|
|
(void) underlay;
|
|
(void) pTransparent;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_MESA_release_buffers ***/
|
|
|
|
/*
|
|
* Release the depth, stencil, accum buffers attached to a GLXDrawable
|
|
* (a window or pixmap) prior to destroying the GLXDrawable.
|
|
*/
|
|
static Bool
|
|
Fake_glXReleaseBuffersMESA( Display *dpy, GLXDrawable d )
|
|
{
|
|
XMesaBuffer b = XMesaFindBuffer(dpy, d);
|
|
if (b) {
|
|
XMesaDestroyBuffer(b);
|
|
return True;
|
|
}
|
|
return False;
|
|
}
|
|
|
|
|
|
|
|
/*** GLX_EXT_texture_from_pixmap ***/
|
|
|
|
static void
|
|
Fake_glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer,
|
|
const int *attrib_list)
|
|
{
|
|
XMesaBuffer b = XMesaFindBuffer(dpy, drawable);
|
|
if (b)
|
|
XMesaBindTexImage(dpy, b, buffer, attrib_list);
|
|
}
|
|
|
|
static void
|
|
Fake_glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer)
|
|
{
|
|
XMesaBuffer b = XMesaFindBuffer(dpy, drawable);
|
|
if (b)
|
|
XMesaReleaseTexImage(dpy, b, buffer);
|
|
}
|
|
|
|
|
|
static GLXContext
|
|
Fake_glXCreateContextAttribs(Display *dpy, GLXFBConfig config,
|
|
GLXContext share_context, Bool direct,
|
|
const int *attrib_list)
|
|
{
|
|
XMesaContext xmCtx;
|
|
XMesaVisual xmvis = (XMesaVisual) config;
|
|
int i;
|
|
int major = 0, minor = 0, ctxFlags = 0, profileFlags = 0;
|
|
|
|
for (i = 0; attrib_list[i]; i += 2) {
|
|
switch (attrib_list[i]) {
|
|
case GLX_CONTEXT_MAJOR_VERSION_ARB:
|
|
major = attrib_list[i + 1];
|
|
break;
|
|
case GLX_CONTEXT_MINOR_VERSION_ARB:
|
|
minor = attrib_list[i + 1];
|
|
break;
|
|
case GLX_CONTEXT_FLAGS_ARB:
|
|
ctxFlags = attrib_list[i + 1];
|
|
break;
|
|
case GLX_CONTEXT_PROFILE_MASK_ARB:
|
|
profileFlags = attrib_list[i + 1];
|
|
break;
|
|
default:
|
|
_mesa_warning(NULL, "Unexpected attribute 0x%x in "
|
|
"glXCreateContextAttribs()\n", attrib_list[i]);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (major * 10 + minor > 21) {
|
|
/* swrast only supports GL 2.1 and earlier */
|
|
return 0;
|
|
}
|
|
|
|
/* These are ignored for now. We'd have to enhance XMesaCreateContext
|
|
* to take these flags and the version, at least.
|
|
*/
|
|
(void) ctxFlags;
|
|
(void) profileFlags;
|
|
|
|
/* deallocate unused windows/buffers */
|
|
XMesaGarbageCollect(dpy);
|
|
|
|
xmCtx = XMesaCreateContext(xmvis, (XMesaContext) share_context);
|
|
|
|
return (GLXContext) xmCtx;
|
|
}
|
|
|
|
|
|
/* silence warning */
|
|
extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
|
|
|
|
|
|
/**
|
|
* Create a new GLX API dispatch table with its function pointers
|
|
* initialized to point to Mesa's "fake" GLX API functions.
|
|
* Note: there's a similar function (_real_GetGLXDispatchTable) that
|
|
* returns a new dispatch table with all pointers initalized to point
|
|
* to "real" GLX functions (which understand GLX wire protocol, etc).
|
|
*/
|
|
struct _glxapi_table *
|
|
_mesa_GetGLXDispatchTable(void)
|
|
{
|
|
static struct _glxapi_table glx;
|
|
|
|
/* be sure our dispatch table size <= libGL's table */
|
|
{
|
|
GLuint size = sizeof(struct _glxapi_table) / sizeof(void *);
|
|
(void) size;
|
|
assert(_glxapi_get_dispatch_table_size() >= size);
|
|
}
|
|
|
|
/* initialize the whole table to no-ops */
|
|
_glxapi_set_no_op_table(&glx);
|
|
|
|
/* now initialize the table with the functions I implement */
|
|
glx.ChooseVisual = Fake_glXChooseVisual;
|
|
glx.CopyContext = Fake_glXCopyContext;
|
|
glx.CreateContext = Fake_glXCreateContext;
|
|
glx.CreateGLXPixmap = Fake_glXCreateGLXPixmap;
|
|
glx.DestroyContext = Fake_glXDestroyContext;
|
|
glx.DestroyGLXPixmap = Fake_glXDestroyGLXPixmap;
|
|
glx.GetConfig = Fake_glXGetConfig;
|
|
glx.GetCurrentContext = Fake_glXGetCurrentContext;
|
|
/*glx.GetCurrentDrawable = Fake_glXGetCurrentDrawable;*/
|
|
glx.IsDirect = Fake_glXIsDirect;
|
|
glx.MakeCurrent = Fake_glXMakeCurrent;
|
|
glx.QueryExtension = Fake_glXQueryExtension;
|
|
glx.QueryVersion = Fake_glXQueryVersion;
|
|
glx.SwapBuffers = Fake_glXSwapBuffers;
|
|
glx.UseXFont = Fake_glXUseXFont;
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glx.WaitGL = Fake_glXWaitGL;
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glx.WaitX = Fake_glXWaitX;
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/*** GLX_VERSION_1_1 ***/
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glx.GetClientString = Fake_glXGetClientString;
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glx.QueryExtensionsString = Fake_glXQueryExtensionsString;
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glx.QueryServerString = Fake_glXQueryServerString;
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/*** GLX_VERSION_1_2 ***/
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/*glx.GetCurrentDisplay = Fake_glXGetCurrentDisplay;*/
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/*** GLX_VERSION_1_3 ***/
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glx.ChooseFBConfig = Fake_glXChooseFBConfig;
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glx.CreateNewContext = Fake_glXCreateNewContext;
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glx.CreatePbuffer = Fake_glXCreatePbuffer;
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glx.CreatePixmap = Fake_glXCreatePixmap;
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glx.CreateWindow = Fake_glXCreateWindow;
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glx.DestroyPbuffer = Fake_glXDestroyPbuffer;
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glx.DestroyPixmap = Fake_glXDestroyPixmap;
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glx.DestroyWindow = Fake_glXDestroyWindow;
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/*glx.GetCurrentReadDrawable = Fake_glXGetCurrentReadDrawable;*/
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glx.GetFBConfigAttrib = Fake_glXGetFBConfigAttrib;
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glx.GetFBConfigs = Fake_glXGetFBConfigs;
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glx.GetSelectedEvent = Fake_glXGetSelectedEvent;
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glx.GetVisualFromFBConfig = Fake_glXGetVisualFromFBConfig;
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glx.MakeContextCurrent = Fake_glXMakeContextCurrent;
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glx.QueryContext = Fake_glXQueryContext;
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glx.QueryDrawable = Fake_glXQueryDrawable;
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glx.SelectEvent = Fake_glXSelectEvent;
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|
|
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/*** GLX_SGI_swap_control ***/
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glx.SwapIntervalSGI = Fake_glXSwapIntervalSGI;
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|
|
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/*** GLX_SGI_video_sync ***/
|
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glx.GetVideoSyncSGI = Fake_glXGetVideoSyncSGI;
|
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glx.WaitVideoSyncSGI = Fake_glXWaitVideoSyncSGI;
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|
|
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/*** GLX_SGI_make_current_read ***/
|
|
glx.MakeCurrentReadSGI = Fake_glXMakeCurrentReadSGI;
|
|
/*glx.GetCurrentReadDrawableSGI = Fake_glXGetCurrentReadDrawableSGI;*/
|
|
|
|
/*** GLX_SGIX_video_source ***/
|
|
#if defined(_VL_H)
|
|
glx.CreateGLXVideoSourceSGIX = Fake_glXCreateGLXVideoSourceSGIX;
|
|
glx.DestroyGLXVideoSourceSGIX = Fake_glXDestroyGLXVideoSourceSGIX;
|
|
#endif
|
|
|
|
/*** GLX_EXT_import_context ***/
|
|
glx.FreeContextEXT = Fake_glXFreeContextEXT;
|
|
glx.GetContextIDEXT = Fake_glXGetContextIDEXT;
|
|
/*glx.GetCurrentDisplayEXT = Fake_glXGetCurrentDisplayEXT;*/
|
|
glx.ImportContextEXT = Fake_glXImportContextEXT;
|
|
glx.QueryContextInfoEXT = Fake_glXQueryContextInfoEXT;
|
|
|
|
/*** GLX_SGIX_fbconfig ***/
|
|
glx.GetFBConfigAttribSGIX = Fake_glXGetFBConfigAttribSGIX;
|
|
glx.ChooseFBConfigSGIX = Fake_glXChooseFBConfigSGIX;
|
|
glx.CreateGLXPixmapWithConfigSGIX = Fake_glXCreateGLXPixmapWithConfigSGIX;
|
|
glx.CreateContextWithConfigSGIX = Fake_glXCreateContextWithConfigSGIX;
|
|
glx.GetVisualFromFBConfigSGIX = Fake_glXGetVisualFromFBConfigSGIX;
|
|
glx.GetFBConfigFromVisualSGIX = Fake_glXGetFBConfigFromVisualSGIX;
|
|
|
|
/*** GLX_SGIX_pbuffer ***/
|
|
glx.CreateGLXPbufferSGIX = Fake_glXCreateGLXPbufferSGIX;
|
|
glx.DestroyGLXPbufferSGIX = Fake_glXDestroyGLXPbufferSGIX;
|
|
glx.QueryGLXPbufferSGIX = Fake_glXQueryGLXPbufferSGIX;
|
|
glx.SelectEventSGIX = Fake_glXSelectEventSGIX;
|
|
glx.GetSelectedEventSGIX = Fake_glXGetSelectedEventSGIX;
|
|
|
|
/*** GLX_SGI_cushion ***/
|
|
glx.CushionSGI = Fake_glXCushionSGI;
|
|
|
|
/*** GLX_SGIX_video_resize ***/
|
|
glx.BindChannelToWindowSGIX = Fake_glXBindChannelToWindowSGIX;
|
|
glx.ChannelRectSGIX = Fake_glXChannelRectSGIX;
|
|
glx.QueryChannelRectSGIX = Fake_glXQueryChannelRectSGIX;
|
|
glx.QueryChannelDeltasSGIX = Fake_glXQueryChannelDeltasSGIX;
|
|
glx.ChannelRectSyncSGIX = Fake_glXChannelRectSyncSGIX;
|
|
|
|
/*** GLX_SGIX_dmbuffer **/
|
|
#if defined(_DM_BUFFER_H_)
|
|
glx.AssociateDMPbufferSGIX = NULL;
|
|
#endif
|
|
|
|
/*** GLX_SUN_get_transparent_index ***/
|
|
glx.GetTransparentIndexSUN = Fake_glXGetTransparentIndexSUN;
|
|
|
|
/*** GLX_MESA_copy_sub_buffer ***/
|
|
glx.CopySubBufferMESA = Fake_glXCopySubBufferMESA;
|
|
|
|
/*** GLX_MESA_release_buffers ***/
|
|
glx.ReleaseBuffersMESA = Fake_glXReleaseBuffersMESA;
|
|
|
|
/*** GLX_MESA_pixmap_colormap ***/
|
|
glx.CreateGLXPixmapMESA = Fake_glXCreateGLXPixmapMESA;
|
|
|
|
/*** GLX_EXT_texture_from_pixmap ***/
|
|
glx.BindTexImageEXT = Fake_glXBindTexImageEXT;
|
|
glx.ReleaseTexImageEXT = Fake_glXReleaseTexImageEXT;
|
|
|
|
glx.CreateContextAttribs = Fake_glXCreateContextAttribs;
|
|
return &glx;
|
|
}
|