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author | marha <marha@users.sourceforge.net> | 2012-03-23 10:05:55 +0100 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-03-23 10:05:55 +0100 |
commit | 0f834b91a4768673833ab4917e87d86c237bb1a6 (patch) | |
tree | 363489504ed4b2d360259b8de4c9e392918e5d02 /xorg-server/hw/dmx/dmx_glxvisuals.c | |
parent | fc72edebf875378459368c5383d9023730cbca54 (diff) | |
download | vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.tar.gz vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.tar.bz2 vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.zip |
libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update
23 Mar 2012
Diffstat (limited to 'xorg-server/hw/dmx/dmx_glxvisuals.c')
-rw-r--r-- | xorg-server/hw/dmx/dmx_glxvisuals.c | 1202 |
1 files changed, 601 insertions, 601 deletions
diff --git a/xorg-server/hw/dmx/dmx_glxvisuals.c b/xorg-server/hw/dmx/dmx_glxvisuals.c index dd77bd23a..9fcc0e58d 100644 --- a/xorg-server/hw/dmx/dmx_glxvisuals.c +++ b/xorg-server/hw/dmx/dmx_glxvisuals.c @@ -1,601 +1,601 @@ -/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include <GL/glx.h>
-#include <GL/glxproto.h>
-#include <X11/extensions/Xext.h>
-#include <X11/extensions/extutil.h>
-
-#include "dmx_glxvisuals.h"
-
-__GLXvisualConfig *GetGLXVisualConfigs(Display *dpy, int screen, int *nconfigs)
-{
- xGLXGetVisualConfigsReq *req;
- xGLXGetVisualConfigsReply reply;
- __GLXvisualConfig *config, *configs;
- GLint i, j, nvisuals, nprops;
- INT32 *props, *p;
- int majorOpcode, dummy;
- int num_good_visuals;
-
- if (!XQueryExtension(dpy, "GLX", &majorOpcode, &dummy, &dummy)) {
- return NULL;
- }
-
- /* Send the glXGetVisualConfigs request */
- LockDisplay(dpy);
- GetReq(GLXGetVisualConfigs,req);
- req->reqType = majorOpcode;
- req->glxCode = X_GLXGetVisualConfigs;
- req->screen = screen;
- if (!_XReply(dpy, (xReply*) &reply, 0, False)) {
- /* Something is busted. Punt. */
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
-
- nvisuals = (int)reply.numVisuals;
- if (!nvisuals) {
- /* This screen does not support GL rendering */
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
-
- /* Check number of properties per visual */
- nprops = (int)reply.numProps;
- if (nprops < __GLX_MIN_CONFIG_PROPS) {
- /* Huh? Not in protocol defined limits. Punt */
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
- props = (INT32*) Xmalloc(nprops * __GLX_SIZE_CARD32);
- if (!props) {
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
-
- /* Allocate memory for our config structure */
- config = (__GLXvisualConfig*)
- Xmalloc(nvisuals * sizeof(__GLXvisualConfig));
- if (!config) {
- free(props);
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
- memset(config, 0, nvisuals * sizeof(__GLXvisualConfig));
- configs = config;
- num_good_visuals = 0;
-
- /* Convert config structure into our format */
- for (i=0; i<nvisuals; i++) {
-
- /* Read config structure */
- _XRead(dpy, (char *)props, (nprops * __GLX_SIZE_CARD32));
-
- /* fill in default values */
- config->visualRating = GLX_NONE_EXT;
- config->transparentPixel = GLX_NONE_EXT;
-
- /* Copy in the first set of properties */
- config->vid = props[0];
- config->class = props[1];
-
- config->rgba = (Bool) props[2];
-
- config->redSize = props[3];
- config->greenSize = props[4];
- config->blueSize = props[5];
- config->alphaSize = props[6];
-
- config->accumRedSize = props[7];
- config->accumGreenSize = props[8];
- config->accumBlueSize = props[9];
- config->accumAlphaSize = props[10];
-
- config->doubleBuffer = (Bool) props[11];
- config->stereo = (Bool) props[12];
-
- config->bufferSize = props[13];
- config->depthSize = props[14];
- config->stencilSize = props[15];
-
- config->auxBuffers = props[16];
- config->level = props[17];
-
- /* Process remaining properties */
- p = &props[18];
- for (j=__GLX_MIN_CONFIG_PROPS; j<nprops; j+=2) {
- int property = *p++;
- int value = *p++;
-
- switch (property) {
- case GLX_SAMPLES_SGIS:
- config->multiSampleSize = value;
- break;
- case GLX_SAMPLE_BUFFERS_SGIS:
- config->nMultiSampleBuffers = value;
- break;
-
- case GLX_TRANSPARENT_TYPE_EXT:
- config->transparentPixel = value;
- break;
- case GLX_TRANSPARENT_INDEX_VALUE_EXT:
- config->transparentIndex = value;
- break;
- case GLX_TRANSPARENT_RED_VALUE_EXT:
- config->transparentRed = value;
- break;
- case GLX_TRANSPARENT_GREEN_VALUE_EXT:
- config->transparentGreen = value;
- break;
- case GLX_TRANSPARENT_BLUE_VALUE_EXT:
- config->transparentBlue = value;
- break;
- case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
- config->transparentAlpha = value;
- break;
-
- case GLX_VISUAL_CAVEAT_EXT:
- config->visualRating = value;
- break;
-
- /* visualSelectGroup is an internal used property */
- case GLX_VISUAL_SELECT_GROUP_SGIX:
- config->visualSelectGroup = value;
- break;
-
- default :
- /* Ignore properties we don't recognize */
- break;
- }
- } /* for j */
-
- /*
- // filter out overlay visuals (dmx does not support overlays)
- */
- if (config->level == 0) {
- config++;
- num_good_visuals++;
- }
-
- } /* for i */
-
- UnlockDisplay(dpy);
-
- nvisuals = num_good_visuals;
-
- config = configs;
- for (i=0; i<nvisuals; i++) {
- /* XXX hack to fill-in mask info (need a better way to do this) */
- {
- XVisualInfo *vis, template;
- int n;
-
- template.screen = screen;
- template.visualid = config->vid;
- vis = XGetVisualInfo(dpy, VisualScreenMask|VisualIDMask,
- &template, &n);
-
- if (vis != NULL) {
- config->redMask = vis->red_mask;
- config->greenMask = vis->green_mask;
- config->blueMask = vis->blue_mask;
- config->alphaMask = 0; /* XXX */
- free(vis);
- }
- }
- config++;
- } /* for i */
-
- XFree(props);
- SyncHandle();
-
- *nconfigs = nvisuals;
- return configs;
-}
-
-
-__GLXFBConfig *GetGLXFBConfigs(Display *dpy, int glxMajorOpcode, int *nconfigs)
-{
- xGLXGetFBConfigsReq *req;
- xGLXGetFBConfigsReply reply;
- __GLXFBConfig *config, *fbconfigs;
- GLint i, j, numFBConfigs, numAttribs;
- INT32 *attrs, *p;
- int screen = DefaultScreen( dpy );
- int numValidConfigs = 0;
-
- /* Send the glXGetFBConfigs request */
- LockDisplay(dpy);
- GetReq(GLXGetFBConfigs, req);
- req->reqType = glxMajorOpcode;
- req->glxCode = X_GLXGetFBConfigs;
- req->screen = screen;
-
- *nconfigs = 0;
-
- if (!_XReply(dpy, (xReply*) &reply, 0, False)) {
- /* Something is busted. Punt. */
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
-
- numFBConfigs = (int)reply.numFBConfigs;
- if (!numFBConfigs) {
- /* This screen does not support GL rendering */
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
-
- numAttribs = (int)reply.numAttribs;
- if (!numAttribs) {
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
-
- attrs = (INT32*) Xmalloc(2*numAttribs * __GLX_SIZE_CARD32);
- if (!attrs) {
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
-
- /* Allocate memory for our config structure */
- config = (__GLXFBConfig*)
- Xmalloc(numFBConfigs * sizeof(__GLXFBConfig));
- if (!config) {
- free(attrs);
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
- memset(config, 0, numFBConfigs * sizeof(__GLXFBConfig));
- fbconfigs = config;
-
- /* Convert attribute list into our format */
- for (i=0; i<numFBConfigs; i++) {
-
- /* Fill in default properties */
- config->transparentType = GLX_NONE_EXT;
- config->visualCaveat = GLX_NONE_EXT;
- config->minRed = 0.;
- config->maxRed = 1.;
- config->minGreen = 0.;
- config->maxGreen = 1.;
- config->minBlue = 0.;
- config->maxBlue = 1.;
- config->minAlpha = 0.;
- config->maxAlpha = 1.;
-
- /* Read attribute list */
- _XRead(dpy, (char *)attrs, (2*numAttribs * __GLX_SIZE_CARD32));
-
- p = attrs;
- for (j=0; j<numAttribs; j++) {
- int attribute = *p++;
- int value = *p++;
-
- switch (attribute) {
- /* core attributes */
- case GLX_FBCONFIG_ID:
- config->id = value;
- break;
- case GLX_BUFFER_SIZE:
- config->indexBits = value;
- break;
- case GLX_LEVEL:
- config->level = value;
- break;
- case GLX_DOUBLEBUFFER:
- config->doubleBufferMode = value;
- break;
- case GLX_STEREO:
- config->stereoMode = value;
- break;
- case GLX_AUX_BUFFERS:
- config->maxAuxBuffers = value;
- break;
- case GLX_RED_SIZE:
- config->redBits = value;
- break;
- case GLX_GREEN_SIZE:
- config->greenBits = value;
- break;
- case GLX_BLUE_SIZE:
- config->blueBits = value;
- break;
- case GLX_ALPHA_SIZE:
- config->alphaBits = value;
- break;
- case GLX_DEPTH_SIZE:
- config->depthBits = value;
- break;
- case GLX_STENCIL_SIZE:
- config->stencilBits = value;
- break;
- case GLX_ACCUM_RED_SIZE:
- config->accumRedBits = value;
- break;
- case GLX_ACCUM_GREEN_SIZE:
- config->accumGreenBits = value;
- break;
- case GLX_ACCUM_BLUE_SIZE:
- config->accumBlueBits = value;
- break;
- case GLX_ACCUM_ALPHA_SIZE:
- config->accumAlphaBits = value;
- break;
- case GLX_RENDER_TYPE:
- config->renderType = value;
- break;
- case GLX_DRAWABLE_TYPE:
- config->drawableType = value;
- break;
- case GLX_X_VISUAL_TYPE:
- config->visualType = value;
- break;
- case GLX_CONFIG_CAVEAT:
- config->visualCaveat = value;
- break;
- case GLX_TRANSPARENT_TYPE:
- config->transparentType = value;
- break;
- case GLX_TRANSPARENT_INDEX_VALUE:
- config->transparentIndex = value;
- break;
- case GLX_TRANSPARENT_RED_VALUE:
- config->transparentRed = value;
- break;
- case GLX_TRANSPARENT_GREEN_VALUE:
- config->transparentGreen = value;
- break;
- case GLX_TRANSPARENT_BLUE_VALUE:
- config->transparentBlue = value;
- break;
- case GLX_TRANSPARENT_ALPHA_VALUE:
- config->transparentAlpha = value;
- break;
- case GLX_MAX_PBUFFER_WIDTH:
- config->maxPbufferWidth = value;
- break;
- case GLX_MAX_PBUFFER_HEIGHT:
- config->maxPbufferHeight = value;
- break;
- case GLX_MAX_PBUFFER_PIXELS:
- config->maxPbufferPixels = value;
- break;
- case GLX_VISUAL_ID:
- config->associatedVisualId = value;
- break;
-
- /* visualSelectGroup is an internal used property */
- case GLX_VISUAL_SELECT_GROUP_SGIX:
- config->visualSelectGroup = value;
- break;
-
- /* SGIS_multisample attributes */
- case GLX_SAMPLES_SGIS:
- config->multiSampleSize = value;
- break;
- case GLX_SAMPLE_BUFFERS_SGIS:
- config->nMultiSampleBuffers = value;
- break;
-
- /* SGIX_pbuffer specific attributes */
- case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX:
- config->optimalPbufferWidth = value;
- break;
- case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX:
- config->optimalPbufferHeight = value;
- break;
-
- default:
- /* Ignore attributes we don't recognize */
- break;
- }
- } /* for j */
-
- /* Fill in derived values */
- config->screen = screen;
-
- config->rgbMode = config->renderType & GLX_RGBA_BIT;
- config->colorIndexMode = !config->rgbMode;
-
- config->haveAccumBuffer =
- config->accumRedBits > 0 ||
- config->accumGreenBits > 0 ||
- config->accumBlueBits > 0;
- /* Can't have alpha without color */
-
- config->haveDepthBuffer = config->depthBits > 0;
- config->haveStencilBuffer = config->stencilBits > 0;
-
- /* overlay visuals are not valid for now */
- if (!config->level) {
- config++;
- numValidConfigs++;
- }
-
- } /* for i */
- UnlockDisplay(dpy);
-
- config = fbconfigs;
- for (i=0; i<numValidConfigs; i++) {
-
- /* XXX hack to fill-in mask info (need a better way to do this) */
- if (config->associatedVisualId != 0) {
- XVisualInfo *vis, template;
- int n;
-
- template.screen = screen;
- template.visualid = config->associatedVisualId;
- vis = XGetVisualInfo(dpy, VisualScreenMask|VisualIDMask,
- &template, &n);
-
- if (vis != NULL) {
- config->redMask = (GLuint)vis->red_mask;
- config->greenMask = (GLuint)vis->green_mask;
- config->blueMask = (GLuint)vis->blue_mask;
- config->alphaMask = 0; /* XXX */
- free(vis);
- }
- }
-
- config++;
- } /* for i */
-
- XFree(attrs);
- SyncHandle();
-
- *nconfigs = numValidConfigs;
- return fbconfigs;
-}
-
-__GLXvisualConfig *
-GetGLXVisualConfigsFromFBConfigs(__GLXFBConfig *fbconfigs, int nfbconfigs,
- XVisualInfo *visuals, int nvisuals,
- __GLXvisualConfig *glxConfigs, int nGlxConfigs,
- int *nconfigs)
-{
- __GLXvisualConfig *configs = NULL;
- int i;
-
- if (!fbconfigs || !nfbconfigs || !nconfigs) return NULL;
- *nconfigs = 0;
-
- /* Allocate memory for our config structure */
- configs = (__GLXvisualConfig*)
- Xmalloc(nfbconfigs * sizeof(__GLXvisualConfig));
- if (!configs) {
- return NULL;
- }
- memset(configs, 0, nfbconfigs * sizeof(__GLXvisualConfig));
-
- for (i=0; i<nfbconfigs; i++) {
- __GLXFBConfig *fbcfg = &fbconfigs[i];
-
- if (fbcfg->associatedVisualId > 0) {
- __GLXvisualConfig *cfg = configs + (*nconfigs);
- int j;
- XVisualInfo *vinfo = NULL;
-
- for (j=0; j<nvisuals; j++) {
- if (visuals[j].visualid == fbcfg->associatedVisualId) {
- vinfo = &visuals[j];
- break;
- }
- }
- if (!vinfo) continue;
-
- /* skip 16 bit colormap visuals */
- if (vinfo->depth == 16 &&
- vinfo->class != TrueColor &&
- vinfo->class != DirectColor ) {
- continue;
- }
-
- (*nconfigs)++;
-
- /*
- * if the same visualid exists in the glx configs,
- * copy the glx attributes from the glx config
- */
- for (j=0; j<nGlxConfigs; j++) {
- if (glxConfigs[j].vid == vinfo->visualid)
- break;
- }
- if (j < nGlxConfigs) {
- memcpy(cfg, &glxConfigs[j], sizeof(__GLXvisualConfig) );
- continue;
- }
-
- /*
- * make glx attributes from the FB config attributes
- */
- cfg->vid = fbcfg->associatedVisualId;
- cfg->class = vinfo->class;
- cfg->rgba = !(fbcfg->renderType & GLX_COLOR_INDEX_BIT_SGIX);
- cfg->redSize = fbcfg->redBits;
- cfg->greenSize = fbcfg->greenBits;
- cfg->blueSize = fbcfg->blueBits;
- cfg->alphaSize = fbcfg->alphaBits;
- cfg->redMask = fbcfg->redMask;
- cfg->greenMask = fbcfg->greenMask;
- cfg->blueMask = fbcfg->blueMask;
- cfg->alphaMask = fbcfg->alphaMask;
- cfg->accumRedSize = fbcfg->accumRedBits;
- cfg->accumGreenSize = fbcfg->accumGreenBits;
- cfg->accumBlueSize = fbcfg->accumBlueBits;
- cfg->accumAlphaSize = fbcfg->accumAlphaBits;
- cfg->doubleBuffer = fbcfg->doubleBufferMode;
- cfg->stereo = fbcfg->stereoMode;
- if (vinfo->class == TrueColor || vinfo->class == DirectColor) {
- cfg->bufferSize = (fbcfg->rgbMode ? (fbcfg->redBits +
- fbcfg->greenBits +
- fbcfg->blueBits +
- fbcfg->alphaBits)
- : fbcfg->indexBits );
- }
- else {
- cfg->bufferSize = vinfo->depth;
- }
- cfg->depthSize = fbcfg->depthBits;
- cfg->stencilSize = fbcfg->stencilBits;
- cfg->auxBuffers = fbcfg->maxAuxBuffers;
- cfg->level = fbcfg->level;
- cfg->visualRating = fbcfg->visualCaveat;
- cfg->transparentPixel = fbcfg->transparentType;
- cfg->transparentRed = fbcfg->transparentRed;
- cfg->transparentGreen = fbcfg->transparentGreen;
- cfg->transparentBlue = fbcfg->transparentBlue;
- cfg->transparentAlpha = fbcfg->transparentAlpha;
- cfg->transparentIndex = fbcfg->transparentIndex;
- cfg->multiSampleSize = fbcfg->multiSampleSize;
- cfg->nMultiSampleBuffers = fbcfg->nMultiSampleBuffers;
- cfg->visualSelectGroup = fbcfg->visualSelectGroup;
- }
- }
-
- return configs;
-}
-
+/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ + +#ifdef HAVE_DMX_CONFIG_H +#include <dmx-config.h> +#endif + +#include "dmx.h" +#include <GL/glx.h> +#include <GL/glxproto.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> + +#include "dmx_glxvisuals.h" + +__GLXvisualConfig * +GetGLXVisualConfigs(Display * dpy, int screen, int *nconfigs) +{ + xGLXGetVisualConfigsReq *req; + xGLXGetVisualConfigsReply reply; + __GLXvisualConfig *config, *configs; + GLint i, j, nvisuals, nprops; + INT32 *props, *p; + int majorOpcode, dummy; + int num_good_visuals; + + if (!XQueryExtension(dpy, "GLX", &majorOpcode, &dummy, &dummy)) { + return NULL; + } + + /* Send the glXGetVisualConfigs request */ + LockDisplay(dpy); + GetReq(GLXGetVisualConfigs, req); + req->reqType = majorOpcode; + req->glxCode = X_GLXGetVisualConfigs; + req->screen = screen; + if (!_XReply(dpy, (xReply *) & reply, 0, False)) { + /* Something is busted. Punt. */ + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + + nvisuals = (int) reply.numVisuals; + if (!nvisuals) { + /* This screen does not support GL rendering */ + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + + /* Check number of properties per visual */ + nprops = (int) reply.numProps; + if (nprops < __GLX_MIN_CONFIG_PROPS) { + /* Huh? Not in protocol defined limits. Punt */ + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + props = (INT32 *) Xmalloc(nprops * __GLX_SIZE_CARD32); + if (!props) { + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + + /* Allocate memory for our config structure */ + config = (__GLXvisualConfig *) + Xmalloc(nvisuals * sizeof(__GLXvisualConfig)); + if (!config) { + free(props); + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + memset(config, 0, nvisuals * sizeof(__GLXvisualConfig)); + configs = config; + num_good_visuals = 0; + + /* Convert config structure into our format */ + for (i = 0; i < nvisuals; i++) { + + /* Read config structure */ + _XRead(dpy, (char *) props, (nprops * __GLX_SIZE_CARD32)); + + /* fill in default values */ + config->visualRating = GLX_NONE_EXT; + config->transparentPixel = GLX_NONE_EXT; + + /* Copy in the first set of properties */ + config->vid = props[0]; + config->class = props[1]; + + config->rgba = (Bool) props[2]; + + config->redSize = props[3]; + config->greenSize = props[4]; + config->blueSize = props[5]; + config->alphaSize = props[6]; + + config->accumRedSize = props[7]; + config->accumGreenSize = props[8]; + config->accumBlueSize = props[9]; + config->accumAlphaSize = props[10]; + + config->doubleBuffer = (Bool) props[11]; + config->stereo = (Bool) props[12]; + + config->bufferSize = props[13]; + config->depthSize = props[14]; + config->stencilSize = props[15]; + + config->auxBuffers = props[16]; + config->level = props[17]; + + /* Process remaining properties */ + p = &props[18]; + for (j = __GLX_MIN_CONFIG_PROPS; j < nprops; j += 2) { + int property = *p++; + int value = *p++; + + switch (property) { + case GLX_SAMPLES_SGIS: + config->multiSampleSize = value; + break; + case GLX_SAMPLE_BUFFERS_SGIS: + config->nMultiSampleBuffers = value; + break; + + case GLX_TRANSPARENT_TYPE_EXT: + config->transparentPixel = value; + break; + case GLX_TRANSPARENT_INDEX_VALUE_EXT: + config->transparentIndex = value; + break; + case GLX_TRANSPARENT_RED_VALUE_EXT: + config->transparentRed = value; + break; + case GLX_TRANSPARENT_GREEN_VALUE_EXT: + config->transparentGreen = value; + break; + case GLX_TRANSPARENT_BLUE_VALUE_EXT: + config->transparentBlue = value; + break; + case GLX_TRANSPARENT_ALPHA_VALUE_EXT: + config->transparentAlpha = value; + break; + + case GLX_VISUAL_CAVEAT_EXT: + config->visualRating = value; + break; + + /* visualSelectGroup is an internal used property */ + case GLX_VISUAL_SELECT_GROUP_SGIX: + config->visualSelectGroup = value; + break; + + default: + /* Ignore properties we don't recognize */ + break; + } + } /* for j */ + + /* + // filter out overlay visuals (dmx does not support overlays) + */ + if (config->level == 0) { + config++; + num_good_visuals++; + } + + } /* for i */ + + UnlockDisplay(dpy); + + nvisuals = num_good_visuals; + + config = configs; + for (i = 0; i < nvisuals; i++) { + /* XXX hack to fill-in mask info (need a better way to do this) */ + { + XVisualInfo *vis, template; + int n; + + template.screen = screen; + template.visualid = config->vid; + vis = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, + &template, &n); + + if (vis != NULL) { + config->redMask = vis->red_mask; + config->greenMask = vis->green_mask; + config->blueMask = vis->blue_mask; + config->alphaMask = 0; /* XXX */ + free(vis); + } + } + config++; + } /* for i */ + + XFree(props); + SyncHandle(); + + *nconfigs = nvisuals; + return configs; +} + +__GLXFBConfig * +GetGLXFBConfigs(Display * dpy, int glxMajorOpcode, int *nconfigs) +{ + xGLXGetFBConfigsReq *req; + xGLXGetFBConfigsReply reply; + __GLXFBConfig *config, *fbconfigs; + GLint i, j, numFBConfigs, numAttribs; + INT32 *attrs, *p; + int screen = DefaultScreen(dpy); + int numValidConfigs = 0; + + /* Send the glXGetFBConfigs request */ + LockDisplay(dpy); + GetReq(GLXGetFBConfigs, req); + req->reqType = glxMajorOpcode; + req->glxCode = X_GLXGetFBConfigs; + req->screen = screen; + + *nconfigs = 0; + + if (!_XReply(dpy, (xReply *) & reply, 0, False)) { + /* Something is busted. Punt. */ + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + + numFBConfigs = (int) reply.numFBConfigs; + if (!numFBConfigs) { + /* This screen does not support GL rendering */ + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + + numAttribs = (int) reply.numAttribs; + if (!numAttribs) { + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + + attrs = (INT32 *) Xmalloc(2 * numAttribs * __GLX_SIZE_CARD32); + if (!attrs) { + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + + /* Allocate memory for our config structure */ + config = (__GLXFBConfig *) + Xmalloc(numFBConfigs * sizeof(__GLXFBConfig)); + if (!config) { + free(attrs); + UnlockDisplay(dpy); + SyncHandle(); + return NULL; + } + memset(config, 0, numFBConfigs * sizeof(__GLXFBConfig)); + fbconfigs = config; + + /* Convert attribute list into our format */ + for (i = 0; i < numFBConfigs; i++) { + + /* Fill in default properties */ + config->transparentType = GLX_NONE_EXT; + config->visualCaveat = GLX_NONE_EXT; + config->minRed = 0.; + config->maxRed = 1.; + config->minGreen = 0.; + config->maxGreen = 1.; + config->minBlue = 0.; + config->maxBlue = 1.; + config->minAlpha = 0.; + config->maxAlpha = 1.; + + /* Read attribute list */ + _XRead(dpy, (char *) attrs, (2 * numAttribs * __GLX_SIZE_CARD32)); + + p = attrs; + for (j = 0; j < numAttribs; j++) { + int attribute = *p++; + int value = *p++; + + switch (attribute) { + /* core attributes */ + case GLX_FBCONFIG_ID: + config->id = value; + break; + case GLX_BUFFER_SIZE: + config->indexBits = value; + break; + case GLX_LEVEL: + config->level = value; + break; + case GLX_DOUBLEBUFFER: + config->doubleBufferMode = value; + break; + case GLX_STEREO: + config->stereoMode = value; + break; + case GLX_AUX_BUFFERS: + config->maxAuxBuffers = value; + break; + case GLX_RED_SIZE: + config->redBits = value; + break; + case GLX_GREEN_SIZE: + config->greenBits = value; + break; + case GLX_BLUE_SIZE: + config->blueBits = value; + break; + case GLX_ALPHA_SIZE: + config->alphaBits = value; + break; + case GLX_DEPTH_SIZE: + config->depthBits = value; + break; + case GLX_STENCIL_SIZE: + config->stencilBits = value; + break; + case GLX_ACCUM_RED_SIZE: + config->accumRedBits = value; + break; + case GLX_ACCUM_GREEN_SIZE: + config->accumGreenBits = value; + break; + case GLX_ACCUM_BLUE_SIZE: + config->accumBlueBits = value; + break; + case GLX_ACCUM_ALPHA_SIZE: + config->accumAlphaBits = value; + break; + case GLX_RENDER_TYPE: + config->renderType = value; + break; + case GLX_DRAWABLE_TYPE: + config->drawableType = value; + break; + case GLX_X_VISUAL_TYPE: + config->visualType = value; + break; + case GLX_CONFIG_CAVEAT: + config->visualCaveat = value; + break; + case GLX_TRANSPARENT_TYPE: + config->transparentType = value; + break; + case GLX_TRANSPARENT_INDEX_VALUE: + config->transparentIndex = value; + break; + case GLX_TRANSPARENT_RED_VALUE: + config->transparentRed = value; + break; + case GLX_TRANSPARENT_GREEN_VALUE: + config->transparentGreen = value; + break; + case GLX_TRANSPARENT_BLUE_VALUE: + config->transparentBlue = value; + break; + case GLX_TRANSPARENT_ALPHA_VALUE: + config->transparentAlpha = value; + break; + case GLX_MAX_PBUFFER_WIDTH: + config->maxPbufferWidth = value; + break; + case GLX_MAX_PBUFFER_HEIGHT: + config->maxPbufferHeight = value; + break; + case GLX_MAX_PBUFFER_PIXELS: + config->maxPbufferPixels = value; + break; + case GLX_VISUAL_ID: + config->associatedVisualId = value; + break; + + /* visualSelectGroup is an internal used property */ + case GLX_VISUAL_SELECT_GROUP_SGIX: + config->visualSelectGroup = value; + break; + + /* SGIS_multisample attributes */ + case GLX_SAMPLES_SGIS: + config->multiSampleSize = value; + break; + case GLX_SAMPLE_BUFFERS_SGIS: + config->nMultiSampleBuffers = value; + break; + + /* SGIX_pbuffer specific attributes */ + case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX: + config->optimalPbufferWidth = value; + break; + case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX: + config->optimalPbufferHeight = value; + break; + + default: + /* Ignore attributes we don't recognize */ + break; + } + } /* for j */ + + /* Fill in derived values */ + config->screen = screen; + + config->rgbMode = config->renderType & GLX_RGBA_BIT; + config->colorIndexMode = !config->rgbMode; + + config->haveAccumBuffer = + config->accumRedBits > 0 || + config->accumGreenBits > 0 || config->accumBlueBits > 0; + /* Can't have alpha without color */ + + config->haveDepthBuffer = config->depthBits > 0; + config->haveStencilBuffer = config->stencilBits > 0; + + /* overlay visuals are not valid for now */ + if (!config->level) { + config++; + numValidConfigs++; + } + + } /* for i */ + UnlockDisplay(dpy); + + config = fbconfigs; + for (i = 0; i < numValidConfigs; i++) { + + /* XXX hack to fill-in mask info (need a better way to do this) */ + if (config->associatedVisualId != 0) { + XVisualInfo *vis, template; + int n; + + template.screen = screen; + template.visualid = config->associatedVisualId; + vis = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, + &template, &n); + + if (vis != NULL) { + config->redMask = (GLuint) vis->red_mask; + config->greenMask = (GLuint) vis->green_mask; + config->blueMask = (GLuint) vis->blue_mask; + config->alphaMask = 0; /* XXX */ + free(vis); + } + } + + config++; + } /* for i */ + + XFree(attrs); + SyncHandle(); + + *nconfigs = numValidConfigs; + return fbconfigs; +} + +__GLXvisualConfig * +GetGLXVisualConfigsFromFBConfigs(__GLXFBConfig * fbconfigs, int nfbconfigs, + XVisualInfo * visuals, int nvisuals, + __GLXvisualConfig * glxConfigs, + int nGlxConfigs, int *nconfigs) +{ + __GLXvisualConfig *configs = NULL; + int i; + + if (!fbconfigs || !nfbconfigs || !nconfigs) + return NULL; + *nconfigs = 0; + + /* Allocate memory for our config structure */ + configs = (__GLXvisualConfig *) + Xmalloc(nfbconfigs * sizeof(__GLXvisualConfig)); + if (!configs) { + return NULL; + } + memset(configs, 0, nfbconfigs * sizeof(__GLXvisualConfig)); + + for (i = 0; i < nfbconfigs; i++) { + __GLXFBConfig *fbcfg = &fbconfigs[i]; + + if (fbcfg->associatedVisualId > 0) { + __GLXvisualConfig *cfg = configs + (*nconfigs); + int j; + XVisualInfo *vinfo = NULL; + + for (j = 0; j < nvisuals; j++) { + if (visuals[j].visualid == fbcfg->associatedVisualId) { + vinfo = &visuals[j]; + break; + } + } + if (!vinfo) + continue; + + /* skip 16 bit colormap visuals */ + if (vinfo->depth == 16 && + vinfo->class != TrueColor && vinfo->class != DirectColor) { + continue; + } + + (*nconfigs)++; + + /* + * if the same visualid exists in the glx configs, + * copy the glx attributes from the glx config + */ + for (j = 0; j < nGlxConfigs; j++) { + if (glxConfigs[j].vid == vinfo->visualid) + break; + } + if (j < nGlxConfigs) { + memcpy(cfg, &glxConfigs[j], sizeof(__GLXvisualConfig)); + continue; + } + + /* + * make glx attributes from the FB config attributes + */ + cfg->vid = fbcfg->associatedVisualId; + cfg->class = vinfo->class; + cfg->rgba = !(fbcfg->renderType & GLX_COLOR_INDEX_BIT_SGIX); + cfg->redSize = fbcfg->redBits; + cfg->greenSize = fbcfg->greenBits; + cfg->blueSize = fbcfg->blueBits; + cfg->alphaSize = fbcfg->alphaBits; + cfg->redMask = fbcfg->redMask; + cfg->greenMask = fbcfg->greenMask; + cfg->blueMask = fbcfg->blueMask; + cfg->alphaMask = fbcfg->alphaMask; + cfg->accumRedSize = fbcfg->accumRedBits; + cfg->accumGreenSize = fbcfg->accumGreenBits; + cfg->accumBlueSize = fbcfg->accumBlueBits; + cfg->accumAlphaSize = fbcfg->accumAlphaBits; + cfg->doubleBuffer = fbcfg->doubleBufferMode; + cfg->stereo = fbcfg->stereoMode; + if (vinfo->class == TrueColor || vinfo->class == DirectColor) { + cfg->bufferSize = (fbcfg->rgbMode ? (fbcfg->redBits + + fbcfg->greenBits + + fbcfg->blueBits + + fbcfg->alphaBits) + : fbcfg->indexBits); + } + else { + cfg->bufferSize = vinfo->depth; + } + cfg->depthSize = fbcfg->depthBits; + cfg->stencilSize = fbcfg->stencilBits; + cfg->auxBuffers = fbcfg->maxAuxBuffers; + cfg->level = fbcfg->level; + cfg->visualRating = fbcfg->visualCaveat; + cfg->transparentPixel = fbcfg->transparentType; + cfg->transparentRed = fbcfg->transparentRed; + cfg->transparentGreen = fbcfg->transparentGreen; + cfg->transparentBlue = fbcfg->transparentBlue; + cfg->transparentAlpha = fbcfg->transparentAlpha; + cfg->transparentIndex = fbcfg->transparentIndex; + cfg->multiSampleSize = fbcfg->multiSampleSize; + cfg->nMultiSampleBuffers = fbcfg->nMultiSampleBuffers; + cfg->visualSelectGroup = fbcfg->visualSelectGroup; + } + } + + return configs; +} |