-#define __ATTRIB(attrib, field) \
- { attrib, offsetof(__GLcontextModes, field) }
-
-static const struct { unsigned int attrib, offset; } attribMap[] = {
- __ATTRIB(__DRI_ATTRIB_BUFFER_SIZE, rgbBits),
- __ATTRIB(__DRI_ATTRIB_LEVEL, level),
- __ATTRIB(__DRI_ATTRIB_RED_SIZE, redBits),
- __ATTRIB(__DRI_ATTRIB_GREEN_SIZE, greenBits),
- __ATTRIB(__DRI_ATTRIB_BLUE_SIZE, blueBits),
- __ATTRIB(__DRI_ATTRIB_ALPHA_SIZE, alphaBits),
- __ATTRIB(__DRI_ATTRIB_DEPTH_SIZE, depthBits),
- __ATTRIB(__DRI_ATTRIB_STENCIL_SIZE, stencilBits),
- __ATTRIB(__DRI_ATTRIB_ACCUM_RED_SIZE, accumRedBits),
- __ATTRIB(__DRI_ATTRIB_ACCUM_GREEN_SIZE, accumGreenBits),
- __ATTRIB(__DRI_ATTRIB_ACCUM_BLUE_SIZE, accumBlueBits),
- __ATTRIB(__DRI_ATTRIB_ACCUM_ALPHA_SIZE, accumAlphaBits),
- __ATTRIB(__DRI_ATTRIB_SAMPLE_BUFFERS, sampleBuffers),
- __ATTRIB(__DRI_ATTRIB_SAMPLES, samples),
- __ATTRIB(__DRI_ATTRIB_DOUBLE_BUFFER, doubleBufferMode),
- __ATTRIB(__DRI_ATTRIB_STEREO, stereoMode),
- __ATTRIB(__DRI_ATTRIB_AUX_BUFFERS, numAuxBuffers),
-#if 0
- __ATTRIB(__DRI_ATTRIB_TRANSPARENT_TYPE, transparentPixel),
- __ATTRIB(__DRI_ATTRIB_TRANSPARENT_INDEX_VALUE, transparentIndex),
- __ATTRIB(__DRI_ATTRIB_TRANSPARENT_RED_VALUE, transparentRed),
- __ATTRIB(__DRI_ATTRIB_TRANSPARENT_GREEN_VALUE, transparentGreen),
- __ATTRIB(__DRI_ATTRIB_TRANSPARENT_BLUE_VALUE, transparentBlue),
- __ATTRIB(__DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE, transparentAlpha),
- __ATTRIB(__DRI_ATTRIB_RED_MASK, redMask),
- __ATTRIB(__DRI_ATTRIB_GREEN_MASK, greenMask),
- __ATTRIB(__DRI_ATTRIB_BLUE_MASK, blueMask),
- __ATTRIB(__DRI_ATTRIB_ALPHA_MASK, alphaMask),
-#endif
- __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_WIDTH, maxPbufferWidth),
- __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_HEIGHT, maxPbufferHeight),
- __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_PIXELS, maxPbufferPixels),
- __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH, optimalPbufferWidth),
- __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT, optimalPbufferHeight),
-#if 0
- __ATTRIB(__DRI_ATTRIB_SWAP_METHOD, swapMethod),
-#endif
- __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGB, bindToTextureRgb),
- __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA, bindToTextureRgba),
- __ATTRIB(__DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE, bindToMipmapTexture),
- __ATTRIB(__DRI_ATTRIB_YINVERTED, yInverted),
-};
-
-#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
-
-static int
-scalarEqual(__GLcontextModes *mode, unsigned int attrib, unsigned int value)
-{
- unsigned int glxValue;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(attribMap); i++)
- if (attribMap[i].attrib == attrib) {
- glxValue = *(unsigned int *) ((char *) mode + attribMap[i].offset);
- return glxValue == GLX_DONT_CARE || glxValue == value;
- }
-
- return GL_TRUE; /* Is a non-existing attribute equal to value? */
-}
-
-static int
-driConfigEqual(const __DRIcoreExtension *core,
- __GLcontextModes *modes, const __DRIconfig *driConfig)
-{
- unsigned int attrib, value, glxValue;
- int i;
-
- i = 0;
- while (core->indexConfigAttrib(driConfig, i++, &attrib, &value)) {
- switch (attrib) {
- case __DRI_ATTRIB_RENDER_TYPE:
- glxValue = 0;
- if (value & __DRI_ATTRIB_RGBA_BIT) {
- glxValue |= GLX_RGBA_BIT;
- } else if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) {
- glxValue |= GLX_COLOR_INDEX_BIT;
- }
- if (glxValue != modes->renderType)
- return GL_FALSE;
- break;
-
- case __DRI_ATTRIB_CONFIG_CAVEAT:
- if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
- glxValue = GLX_NON_CONFORMANT_CONFIG;
- else if (value & __DRI_ATTRIB_SLOW_BIT)
- glxValue = GLX_SLOW_CONFIG;
- else
- glxValue = GLX_NONE;
- if (glxValue != modes->visualRating)
- return GL_FALSE;
- break;
-
- case __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS:
- glxValue = 0;
- if (value & __DRI_ATTRIB_TEXTURE_1D_BIT)
- glxValue |= GLX_TEXTURE_1D_BIT_EXT;
- if (value & __DRI_ATTRIB_TEXTURE_2D_BIT)
- glxValue |= GLX_TEXTURE_2D_BIT_EXT;
- if (value & __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT)
- glxValue |= GLX_TEXTURE_RECTANGLE_BIT_EXT;
- if (modes->bindToTextureTargets != GLX_DONT_CARE &&
- glxValue != modes->bindToTextureTargets)
- return GL_FALSE;
- break;
-
- default:
- if (!scalarEqual(modes, attrib, value))
- return GL_FALSE;
- }
- }
-
- return GL_TRUE;
-}
-
-static __GLcontextModes *
-createDriMode(const __DRIcoreExtension *core,
- __GLcontextModes *modes, const __DRIconfig **driConfigs)
-{
- __GLXDRIconfigPrivate *config;
- int i;
-
- for (i = 0; driConfigs[i]; i++) {
- if (driConfigEqual(core, modes, driConfigs[i]))
- break;
- }
-
- if (driConfigs[i] == NULL)
- return NULL;
-
- config = Xmalloc(sizeof *config);
- if (config == NULL)
- return NULL;
-
- config->modes = *modes;
- config->driConfig = driConfigs[i];
-
- return &config->modes;
-}
-
-extern __GLcontextModes *
-driConvertConfigs(const __DRIcoreExtension *core,
- __GLcontextModes *modes, const __DRIconfig **configs);
-
-_X_HIDDEN __GLcontextModes *
-driConvertConfigs(const __DRIcoreExtension *core,
- __GLcontextModes *modes, const __DRIconfig **configs)
-{
- __GLcontextModes head, *tail, *m;
-
- tail = &head;
- head.next = NULL;
- for (m = modes; m; m = m->next) {
- tail->next = createDriMode(core, m, configs);
- if (tail->next == NULL) {
- /* no matching dri config for m */
- continue;
- }
-
-
- tail = tail->next;
- }
-
- _gl_context_modes_destroy(modes);
-
- return head.next;
-}