167 lines
5.4 KiB
C
167 lines
5.4 KiB
C
/*
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* Copyright (c) 2007, 2008 Apple Inc.
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* Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
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* Copyright (c) 2002 Greg Parker. All Rights Reserved.
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*
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* Portions of this file are copied from Mesa's xf86glx.c,
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* which contains the following copyright:
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*
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* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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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 in
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* 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 OR
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* 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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 OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "dri.h"
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#include <OpenGL/OpenGL.h>
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#include <OpenGL/CGLContext.h>
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#include <GL/gl.h>
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#include <GL/glxproto.h>
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#include <windowstr.h>
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#include <resource.h>
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#include <GL/glxint.h>
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#include <GL/glxtokens.h>
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#include <scrnintstr.h>
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#include <glxserver.h>
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#include <glxscreens.h>
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#include <glxdrawable.h>
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#include <glxcontext.h>
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#include <glxext.h>
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#include <glxutil.h>
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#include <glxscreens.h>
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#include <GL/internal/glcore.h>
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#include "capabilities.h"
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#include "visualConfigs.h"
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extern BOOL enable_stereo;
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/* Based originally on code from indirect.c which was based on code from i830_dri.c. */
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void setVisualConfigs(void) {
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int numConfigs = 0;
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__GLXvisualConfig *visualConfigs = NULL;
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void **visualPrivates = NULL;
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struct glCapabilities caps[1];
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int stereo, depth, aux, buffers, stencil, accum;
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int i = 0;
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if(getGlCapabilities(caps)) {
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ErrorF("error from getGlCapabilities()!\n");
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return;
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}
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/*
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caps->stereo is 0 or 1, but we need at least 1 iteration of the loop, so we treat
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a true caps->stereo as 2.
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The depth size is 0 or 24. Thus we do 2 iterations for that.
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caps->aux_buffers (when available/non-zero) result in 2 iterations instead of 1.
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caps->buffers indicates whether we have single or double buffering.
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2 iterations for stencil (on and off (with a stencil size of 8)).
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2 iterations for accum (on and off (with an accum color size of 16)).
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*/
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numConfigs = ((enable_stereo && caps->stereo) ? 2 : 1) * 2 *
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(caps->aux_buffers ? 2 : 1) * (caps->buffers) * 2 * 2;
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visualConfigs = xcalloc(sizeof(*visualConfigs), numConfigs);
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if(NULL == visualConfigs) {
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ErrorF("xcalloc failure when allocating visualConfigs\n");
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return;
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}
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visualPrivates = xcalloc(sizeof(void *), numConfigs);
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if(NULL == visualPrivates) {
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ErrorF("xcalloc failure when allocating visualPrivates");
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xfree(visualConfigs);
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return;
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}
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i = 0; /* current buffer */
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for (stereo = 0; stereo < ((enable_stereo && caps->stereo) ? 2 : 1); ++stereo) {
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for (depth = 0; depth < 2; ++depth) {
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for (aux = 0; aux < (caps->aux_buffers ? 2 : 1); ++aux) {
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for (buffers = 0; buffers < caps->buffers; ++buffers) {
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for (stencil = 0; stencil < 2; ++stencil) {
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for (accum = 0; accum < 2; ++accum) {
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visualConfigs[i].vid = -1;
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visualConfigs[i].class = -1;
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visualConfigs[i].rgba = TRUE;
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visualConfigs[i].redSize = -1;
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visualConfigs[i].greenSize = -1;
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visualConfigs[i].blueSize = -1;
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visualConfigs[i].redMask = -1;
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visualConfigs[i].greenMask = -1;
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visualConfigs[i].blueMask = -1;
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visualConfigs[i].alphaMask = 0;
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if (accum) {
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visualConfigs[i].accumRedSize = 16;
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visualConfigs[i].accumGreenSize = 16;
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visualConfigs[i].accumBlueSize = 16;
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visualConfigs[i].accumAlphaSize = 16;
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} else {
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visualConfigs[i].accumRedSize = 0;
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visualConfigs[i].accumGreenSize = 0;
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visualConfigs[i].accumBlueSize = 0;
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visualConfigs[i].accumAlphaSize = 0;
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}
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visualConfigs[i].doubleBuffer = buffers ? TRUE : FALSE;
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visualConfigs[i].stereo = stereo ? TRUE : FALSE;
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visualConfigs[i].bufferSize = -1;
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visualConfigs[i].depthSize = depth ? 24 : 0;
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visualConfigs[i].stencilSize = stencil ? 8 : 0;
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visualConfigs[i].auxBuffers = aux ? caps->aux_buffers : 0;
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visualConfigs[i].level = 0;
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visualConfigs[i].visualRating = GLX_NONE_EXT;
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visualConfigs[i].transparentPixel = 0;
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visualConfigs[i].transparentRed = 0;
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visualConfigs[i].transparentGreen = 0;
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visualConfigs[i].transparentBlue = 0;
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visualConfigs[i].transparentAlpha = 0;
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visualConfigs[i].transparentIndex = 0;
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++i;
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}
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}
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}
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}
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}
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}
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if (i != numConfigs) {
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ErrorF("numConfigs calculation error in setVisualConfigs!\n");
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abort();
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}
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GlxSetVisualConfigs(numConfigs, visualConfigs, visualPrivates);
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}
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