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Diffstat (limited to 'xorg-server/hw/dmx/dmx_glxvisuals.c')
-rw-r--r--xorg-server/hw/dmx/dmx_glxvisuals.c1202
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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 18:09:48 +0000