214 lines
6.9 KiB
C
214 lines
6.9 KiB
C
/*
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* Copyright © 2008 Red Hat, Inc
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of the
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* copyright holders not be used in advertising or publicity
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* pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* 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 <stdint.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <GL/gl.h>
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#include <GL/glxtokens.h>
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#include <GL/internal/dri_interface.h>
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#include <os.h>
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#include "glxserver.h"
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#include "glxcontext.h"
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#include "glxscreens.h"
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#include "glxdricommon.h"
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static int
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getUST(int64_t *ust)
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{
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struct timeval tv;
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if (ust == NULL)
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return -EFAULT;
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if (gettimeofday(&tv, NULL) == 0) {
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ust[0] = (tv.tv_sec * 1000000) + tv.tv_usec;
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return 0;
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} else {
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return -errno;
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}
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}
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const __DRIsystemTimeExtension systemTimeExtension = {
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{ __DRI_SYSTEM_TIME, __DRI_SYSTEM_TIME_VERSION },
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getUST,
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NULL,
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};
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#define __ATTRIB(attrib, field) \
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{ attrib, offsetof(__GLXconfig, field) }
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static const struct { unsigned int attrib, offset; } attribMap[] = {
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__ATTRIB(__DRI_ATTRIB_BUFFER_SIZE, rgbBits),
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__ATTRIB(__DRI_ATTRIB_LEVEL, level),
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__ATTRIB(__DRI_ATTRIB_RED_SIZE, redBits),
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__ATTRIB(__DRI_ATTRIB_GREEN_SIZE, greenBits),
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__ATTRIB(__DRI_ATTRIB_BLUE_SIZE, blueBits),
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__ATTRIB(__DRI_ATTRIB_ALPHA_SIZE, alphaBits),
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__ATTRIB(__DRI_ATTRIB_DEPTH_SIZE, depthBits),
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__ATTRIB(__DRI_ATTRIB_STENCIL_SIZE, stencilBits),
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__ATTRIB(__DRI_ATTRIB_ACCUM_RED_SIZE, accumRedBits),
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__ATTRIB(__DRI_ATTRIB_ACCUM_GREEN_SIZE, accumGreenBits),
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__ATTRIB(__DRI_ATTRIB_ACCUM_BLUE_SIZE, accumBlueBits),
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__ATTRIB(__DRI_ATTRIB_ACCUM_ALPHA_SIZE, accumAlphaBits),
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__ATTRIB(__DRI_ATTRIB_SAMPLE_BUFFERS, sampleBuffers),
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__ATTRIB(__DRI_ATTRIB_SAMPLES, samples),
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__ATTRIB(__DRI_ATTRIB_DOUBLE_BUFFER, doubleBufferMode),
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__ATTRIB(__DRI_ATTRIB_STEREO, stereoMode),
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__ATTRIB(__DRI_ATTRIB_AUX_BUFFERS, numAuxBuffers),
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__ATTRIB(__DRI_ATTRIB_TRANSPARENT_TYPE, transparentPixel),
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__ATTRIB(__DRI_ATTRIB_TRANSPARENT_INDEX_VALUE, transparentPixel),
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__ATTRIB(__DRI_ATTRIB_TRANSPARENT_RED_VALUE, transparentRed),
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__ATTRIB(__DRI_ATTRIB_TRANSPARENT_GREEN_VALUE, transparentGreen),
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__ATTRIB(__DRI_ATTRIB_TRANSPARENT_BLUE_VALUE, transparentBlue),
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__ATTRIB(__DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE, transparentAlpha),
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__ATTRIB(__DRI_ATTRIB_FLOAT_MODE, floatMode),
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__ATTRIB(__DRI_ATTRIB_RED_MASK, redMask),
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__ATTRIB(__DRI_ATTRIB_GREEN_MASK, greenMask),
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__ATTRIB(__DRI_ATTRIB_BLUE_MASK, blueMask),
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__ATTRIB(__DRI_ATTRIB_ALPHA_MASK, alphaMask),
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__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_WIDTH, maxPbufferWidth),
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__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_HEIGHT, maxPbufferHeight),
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__ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_PIXELS, maxPbufferPixels),
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__ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH, optimalPbufferWidth),
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__ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT, optimalPbufferHeight),
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__ATTRIB(__DRI_ATTRIB_SWAP_METHOD, swapMethod),
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__ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGB, bindToTextureRgb),
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__ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA, bindToTextureRgba),
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__ATTRIB(__DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE, bindToMipmapTexture),
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__ATTRIB(__DRI_ATTRIB_YINVERTED, yInverted),
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};
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#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
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static void
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setScalar(__GLXconfig *config, unsigned int attrib, unsigned int value)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(attribMap); i++)
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if (attribMap[i].attrib == attrib) {
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*(unsigned int *) ((char *) config + attribMap[i].offset) = value;
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return;
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}
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}
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static __GLXconfig *
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createModeFromConfig(const __DRIcoreExtension *core,
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const __DRIconfig *driConfig,
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unsigned int visualType)
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{
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__GLXDRIconfig *config;
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unsigned int attrib, value;
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int i;
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config = xalloc(sizeof *config);
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config->driConfig = driConfig;
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i = 0;
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while (core->indexConfigAttrib(driConfig, i++, &attrib, &value)) {
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switch (attrib) {
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case __DRI_ATTRIB_RENDER_TYPE:
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if (value & __DRI_ATTRIB_RGBA_BIT) {
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config->config.renderType |= GLX_RGBA_BIT;
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config->config.rgbMode = GL_TRUE;
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} else if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) {
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config->config.renderType |= GLX_COLOR_INDEX_BIT;
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config->config.rgbMode = GL_FALSE;
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} else {
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config->config.renderType = 0;
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config->config.rgbMode = GL_FALSE;
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}
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break;
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case __DRI_ATTRIB_CONFIG_CAVEAT:
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if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
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config->config.visualRating = GLX_NON_CONFORMANT_CONFIG;
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else if (value & __DRI_ATTRIB_SLOW_BIT)
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config->config.visualRating = GLX_SLOW_CONFIG;
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else
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config->config.visualRating = GLX_NONE;
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break;
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case __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS:
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config->config.bindToTextureTargets = 0;
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if (value & __DRI_ATTRIB_TEXTURE_1D_BIT)
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config->config.bindToTextureTargets |= GLX_TEXTURE_1D_BIT_EXT;
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if (value & __DRI_ATTRIB_TEXTURE_2D_BIT)
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config->config.bindToTextureTargets |= GLX_TEXTURE_2D_BIT_EXT;
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if (value & __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT)
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config->config.bindToTextureTargets |= GLX_TEXTURE_RECTANGLE_BIT_EXT;
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break;
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case __DRI_ATTRIB_FLOAT_MODE:
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config->config.floatMode = (value ? GL_TRUE : GL_FALSE);
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break;
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default:
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setScalar(&config->config, attrib, value);
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break;
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}
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}
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config->config.next = NULL;
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config->config.xRenderable = GL_TRUE;
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config->config.visualType = visualType;
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config->config.drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT;
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return &config->config;
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}
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__GLXconfig *
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glxConvertConfigs(const __DRIcoreExtension *core, const __DRIconfig **configs)
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{
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__GLXconfig head, *tail;
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int i;
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tail = &head;
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head.next = NULL;
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for (i = 0; configs[i]; i++) {
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tail->next = createModeFromConfig(core,
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configs[i], GLX_TRUE_COLOR);
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if (tail->next == NULL)
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break;
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tail = tail->next;
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}
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for (i = 0; configs[i]; i++) {
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tail->next = createModeFromConfig(core,
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configs[i], GLX_DIRECT_COLOR);
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if (tail->next == NULL)
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break;
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tail = tail->next;
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}
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return head.next;
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}
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