| /* |
| * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. |
| * Copyright © 2008 Red Hat, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Soft- |
| * ware"), to deal in the Software without restriction, including without |
| * limitation the rights to use, copy, modify, merge, publish, distribute, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, provided that the above copyright |
| * notice(s) and this permission notice appear in all copies of the Soft- |
| * ware and that both the above copyright notice(s) and this permission |
| * notice appear in supporting documentation. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- |
| * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY |
| * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN |
| * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- |
| * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- |
| * MANCE OF THIS SOFTWARE. |
| * |
| * Except as contained in this notice, the name of a copyright holder shall |
| * not be used in advertising or otherwise to promote the sale, use or |
| * other dealings in this Software without prior written authorization of |
| * the copyright holder. |
| * |
| * Authors: |
| * Kevin E. Martin <kevin@precisioninsight.com> |
| * Brian Paul <brian@precisioninsight.com> |
| * Kristian Høgsberg (krh@redhat.com) |
| */ |
| |
| #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL) |
| |
| #include <unistd.h> |
| #include <dlfcn.h> |
| #include <stdarg.h> |
| #include "glxclient.h" |
| #include "dri_common.h" |
| #include "loader.h" |
| |
| #ifndef RTLD_NOW |
| #define RTLD_NOW 0 |
| #endif |
| #ifndef RTLD_GLOBAL |
| #define RTLD_GLOBAL 0 |
| #endif |
| |
| _X_HIDDEN void |
| dri_message(int level, const char *f, ...) |
| { |
| va_list args; |
| int threshold = _LOADER_WARNING; |
| const char *libgl_debug; |
| |
| libgl_debug = getenv("LIBGL_DEBUG"); |
| if (libgl_debug) { |
| if (strstr(libgl_debug, "quiet")) |
| threshold = _LOADER_FATAL; |
| else if (strstr(libgl_debug, "verbose")) |
| threshold = _LOADER_DEBUG; |
| } |
| |
| /* Note that the _LOADER_* levels are lower numbers for more severe. */ |
| if (level <= threshold) { |
| fprintf(stderr, "libGL%s: ", level <= _LOADER_WARNING ? " error" : ""); |
| va_start(args, f); |
| vfprintf(stderr, f, args); |
| va_end(args); |
| } |
| } |
| |
| #ifndef GL_LIB_NAME |
| #define GL_LIB_NAME "libGL.so.1" |
| #endif |
| |
| #ifndef DEFAULT_DRIVER_DIR |
| /* this is normally defined in Mesa/configs/default with DRI_DRIVER_SEARCH_PATH */ |
| #define DEFAULT_DRIVER_DIR "/usr/local/lib/dri" |
| #endif |
| |
| /** |
| * Try to \c dlopen the named driver. |
| * |
| * This function adds the "_dri.so" suffix to the driver name and searches the |
| * directories specified by the \c LIBGL_DRIVERS_PATH environment variable in |
| * order to find the driver. |
| * |
| * \param driverName - a name like "i965", "radeon", "nouveau", etc. |
| * |
| * \returns |
| * A handle from \c dlopen, or \c NULL if driver file not found. |
| */ |
| _X_HIDDEN void * |
| driOpenDriver(const char *driverName) |
| { |
| void *glhandle, *handle; |
| const char *libPaths, *p, *next; |
| char realDriverName[200]; |
| int len; |
| |
| /* Attempt to make sure libGL symbols will be visible to the driver */ |
| glhandle = dlopen(GL_LIB_NAME, RTLD_NOW | RTLD_GLOBAL); |
| |
| libPaths = NULL; |
| if (geteuid() == getuid()) { |
| /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */ |
| libPaths = getenv("LIBGL_DRIVERS_PATH"); |
| if (!libPaths) |
| libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */ |
| } |
| if (libPaths == NULL) |
| libPaths = DEFAULT_DRIVER_DIR; |
| |
| handle = NULL; |
| for (p = libPaths; *p; p = next) { |
| next = strchr(p, ':'); |
| if (next == NULL) { |
| len = strlen(p); |
| next = p + len; |
| } |
| else { |
| len = next - p; |
| next++; |
| } |
| |
| #ifdef GLX_USE_TLS |
| snprintf(realDriverName, sizeof realDriverName, |
| "%.*s/tls/%s_dri.so", len, p, driverName); |
| InfoMessageF("OpenDriver: trying %s\n", realDriverName); |
| handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL); |
| #endif |
| |
| if (handle == NULL) { |
| snprintf(realDriverName, sizeof realDriverName, |
| "%.*s/%s_dri.so", len, p, driverName); |
| InfoMessageF("OpenDriver: trying %s\n", realDriverName); |
| handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL); |
| } |
| |
| if (handle != NULL) |
| break; |
| else |
| InfoMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror()); |
| } |
| |
| if (!handle) |
| ErrorMessageF("unable to load driver: %s_dri.so\n", driverName); |
| |
| if (glhandle) |
| dlclose(glhandle); |
| |
| return handle; |
| } |
| |
| _X_HIDDEN const __DRIextension ** |
| driGetDriverExtensions(void *handle, const char *driver_name) |
| { |
| const __DRIextension **extensions = NULL; |
| const __DRIextension **(*get_extensions)(void); |
| char *get_extensions_name; |
| |
| if (asprintf(&get_extensions_name, "%s_%s", |
| __DRI_DRIVER_GET_EXTENSIONS, driver_name) != -1) { |
| get_extensions = dlsym(handle, get_extensions_name); |
| if (get_extensions) { |
| free(get_extensions_name); |
| return get_extensions(); |
| } else { |
| InfoMessageF("driver does not expose %s(): %s\n", |
| get_extensions_name, dlerror()); |
| free(get_extensions_name); |
| } |
| } |
| |
| extensions = dlsym(handle, __DRI_DRIVER_EXTENSIONS); |
| if (extensions == NULL) { |
| ErrorMessageF("driver exports no extensions (%s)\n", dlerror()); |
| return NULL; |
| } |
| |
| return extensions; |
| } |
| |
| static GLboolean |
| __driGetMSCRate(__DRIdrawable *draw, |
| int32_t * numerator, int32_t * denominator, |
| void *loaderPrivate) |
| { |
| __GLXDRIdrawable *glxDraw = loaderPrivate; |
| |
| return __glxGetMscRate(glxDraw->psc, numerator, denominator); |
| } |
| |
| _X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension = { |
| .base = {__DRI_SYSTEM_TIME, 1 }, |
| |
| .getUST = __glXGetUST, |
| .getMSCRate = __driGetMSCRate |
| }; |
| |
| #define __ATTRIB(attrib, field) \ |
| { attrib, offsetof(struct glx_config, 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), |
| __ATTRIB(__DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE, sRGBCapable) |
| }; |
| |
| static int |
| scalarEqual(struct glx_config *mode, unsigned int attrib, unsigned int value) |
| { |
| unsigned glxValue, 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, |
| struct glx_config *config, 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; |
| } |
| if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) { |
| glxValue |= GLX_COLOR_INDEX_BIT; |
| } |
| if (value & __DRI_ATTRIB_FLOAT_BIT) { |
| glxValue |= GLX_RGBA_FLOAT_BIT_ARB; |
| } |
| if (value & __DRI_ATTRIB_UNSIGNED_FLOAT_BIT) { |
| glxValue |= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT; |
| } |
| if (glxValue != config->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 != config->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 (config->bindToTextureTargets != GLX_DONT_CARE && |
| glxValue != config->bindToTextureTargets) |
| return GL_FALSE; |
| break; |
| |
| default: |
| if (!scalarEqual(config, attrib, value)) |
| return GL_FALSE; |
| } |
| } |
| |
| return GL_TRUE; |
| } |
| |
| static struct glx_config * |
| createDriMode(const __DRIcoreExtension * core, |
| struct glx_config *config, const __DRIconfig **driConfigs) |
| { |
| __GLXDRIconfigPrivate *driConfig; |
| int i; |
| |
| for (i = 0; driConfigs[i]; i++) { |
| if (driConfigEqual(core, config, driConfigs[i])) |
| break; |
| } |
| |
| if (driConfigs[i] == NULL) |
| return NULL; |
| |
| driConfig = malloc(sizeof *driConfig); |
| if (driConfig == NULL) |
| return NULL; |
| |
| driConfig->base = *config; |
| driConfig->driConfig = driConfigs[i]; |
| |
| return &driConfig->base; |
| } |
| |
| _X_HIDDEN struct glx_config * |
| driConvertConfigs(const __DRIcoreExtension * core, |
| struct glx_config *configs, const __DRIconfig **driConfigs) |
| { |
| struct glx_config head, *tail, *m; |
| |
| tail = &head; |
| head.next = NULL; |
| for (m = configs; m; m = m->next) { |
| tail->next = createDriMode(core, m, driConfigs); |
| if (tail->next == NULL) { |
| /* no matching dri config for m */ |
| continue; |
| } |
| |
| |
| tail = tail->next; |
| } |
| |
| return head.next; |
| } |
| |
| _X_HIDDEN void |
| driDestroyConfigs(const __DRIconfig **configs) |
| { |
| int i; |
| |
| for (i = 0; configs[i]; i++) |
| free((__DRIconfig *) configs[i]); |
| free(configs); |
| } |
| |
| _X_HIDDEN __GLXDRIdrawable * |
| driFetchDrawable(struct glx_context *gc, GLXDrawable glxDrawable) |
| { |
| struct glx_display *const priv = __glXInitialize(gc->psc->dpy); |
| __GLXDRIdrawable *pdraw; |
| struct glx_screen *psc; |
| |
| if (priv == NULL) |
| return NULL; |
| |
| if (glxDrawable == None) |
| return NULL; |
| |
| psc = priv->screens[gc->screen]; |
| if (priv->drawHash == NULL) |
| return NULL; |
| |
| if (__glxHashLookup(priv->drawHash, glxDrawable, (void *) &pdraw) == 0) { |
| pdraw->refcount ++; |
| return pdraw; |
| } |
| |
| pdraw = psc->driScreen->createDrawable(psc, glxDrawable, |
| glxDrawable, gc->config); |
| |
| if (pdraw == NULL) { |
| ErrorMessageF("failed to create drawable\n"); |
| return NULL; |
| } |
| |
| if (__glxHashInsert(priv->drawHash, glxDrawable, pdraw)) { |
| (*pdraw->destroyDrawable) (pdraw); |
| return NULL; |
| } |
| pdraw->refcount = 1; |
| |
| return pdraw; |
| } |
| |
| _X_HIDDEN void |
| driReleaseDrawables(struct glx_context *gc) |
| { |
| const struct glx_display *priv = gc->psc->display; |
| __GLXDRIdrawable *pdraw; |
| |
| if (priv == NULL) |
| return; |
| |
| if (__glxHashLookup(priv->drawHash, |
| gc->currentDrawable, (void *) &pdraw) == 0) { |
| if (pdraw->drawable == pdraw->xDrawable) { |
| pdraw->refcount --; |
| if (pdraw->refcount == 0) { |
| (*pdraw->destroyDrawable)(pdraw); |
| __glxHashDelete(priv->drawHash, gc->currentDrawable); |
| } |
| } |
| } |
| |
| if (__glxHashLookup(priv->drawHash, |
| gc->currentReadable, (void *) &pdraw) == 0) { |
| if (pdraw->drawable == pdraw->xDrawable) { |
| pdraw->refcount --; |
| if (pdraw->refcount == 0) { |
| (*pdraw->destroyDrawable)(pdraw); |
| __glxHashDelete(priv->drawHash, gc->currentReadable); |
| } |
| } |
| } |
| |
| gc->currentDrawable = None; |
| gc->currentReadable = None; |
| |
| } |
| |
| _X_HIDDEN bool |
| dri2_convert_glx_attribs(unsigned num_attribs, const uint32_t *attribs, |
| unsigned *major_ver, unsigned *minor_ver, |
| uint32_t *render_type, uint32_t *flags, unsigned *api, |
| int *reset, unsigned *error) |
| { |
| unsigned i; |
| bool got_profile = false; |
| uint32_t profile; |
| |
| *major_ver = 1; |
| *minor_ver = 0; |
| *render_type = GLX_RGBA_TYPE; |
| *reset = __DRI_CTX_RESET_NO_NOTIFICATION; |
| *flags = 0; |
| *api = __DRI_API_OPENGL; |
| |
| if (num_attribs == 0) { |
| return true; |
| } |
| |
| /* This is actually an internal error, but what the heck. |
| */ |
| if (attribs == NULL) { |
| *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; |
| return false; |
| } |
| |
| for (i = 0; i < num_attribs; i++) { |
| switch (attribs[i * 2]) { |
| case GLX_CONTEXT_MAJOR_VERSION_ARB: |
| *major_ver = attribs[i * 2 + 1]; |
| break; |
| case GLX_CONTEXT_MINOR_VERSION_ARB: |
| *minor_ver = attribs[i * 2 + 1]; |
| break; |
| case GLX_CONTEXT_FLAGS_ARB: |
| *flags = attribs[i * 2 + 1]; |
| break; |
| case GLX_CONTEXT_PROFILE_MASK_ARB: |
| profile = attribs[i * 2 + 1]; |
| got_profile = true; |
| break; |
| case GLX_RENDER_TYPE: |
| *render_type = attribs[i * 2 + 1]; |
| break; |
| case GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB: |
| switch (attribs[i * 2 + 1]) { |
| case GLX_NO_RESET_NOTIFICATION_ARB: |
| *reset = __DRI_CTX_RESET_NO_NOTIFICATION; |
| break; |
| case GLX_LOSE_CONTEXT_ON_RESET_ARB: |
| *reset = __DRI_CTX_RESET_LOSE_CONTEXT; |
| break; |
| default: |
| *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; |
| return false; |
| } |
| break; |
| default: |
| /* If an unknown attribute is received, fail. |
| */ |
| *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; |
| return false; |
| } |
| } |
| |
| if (!got_profile) { |
| if (*major_ver > 3 || (*major_ver == 3 && *minor_ver >= 2)) |
| *api = __DRI_API_OPENGL_CORE; |
| } else { |
| switch (profile) { |
| case GLX_CONTEXT_CORE_PROFILE_BIT_ARB: |
| /* There are no profiles before OpenGL 3.2. The |
| * GLX_ARB_create_context_profile spec says: |
| * |
| * "If the requested OpenGL version is less than 3.2, |
| * GLX_CONTEXT_PROFILE_MASK_ARB is ignored and the functionality |
| * of the context is determined solely by the requested version." |
| */ |
| *api = (*major_ver > 3 || (*major_ver == 3 && *minor_ver >= 2)) |
| ? __DRI_API_OPENGL_CORE : __DRI_API_OPENGL; |
| break; |
| case GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB: |
| *api = __DRI_API_OPENGL; |
| break; |
| case GLX_CONTEXT_ES2_PROFILE_BIT_EXT: |
| *api = __DRI_API_GLES2; |
| break; |
| default: |
| *error = __DRI_CTX_ERROR_BAD_API; |
| return false; |
| } |
| } |
| |
| /* Unknown flag value. |
| */ |
| if (*flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_FORWARD_COMPATIBLE |
| | __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS)) { |
| *error = __DRI_CTX_ERROR_UNKNOWN_FLAG; |
| return false; |
| } |
| |
| /* There are no forward-compatible contexts before OpenGL 3.0. The |
| * GLX_ARB_create_context spec says: |
| * |
| * "Forward-compatible contexts are defined only for OpenGL versions |
| * 3.0 and later." |
| */ |
| if (*major_ver < 3 && (*flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0) { |
| *error = __DRI_CTX_ERROR_BAD_FLAG; |
| return false; |
| } |
| |
| if (*major_ver >= 3 && *render_type == GLX_COLOR_INDEX_TYPE) { |
| *error = __DRI_CTX_ERROR_BAD_FLAG; |
| return false; |
| } |
| |
| /* The GLX_EXT_create_context_es2_profile spec says: |
| * |
| * "... If the version requested is 2.0, and the |
| * GLX_CONTEXT_ES2_PROFILE_BIT_EXT bit is set in the |
| * GLX_CONTEXT_PROFILE_MASK_ARB attribute (see below), then the context |
| * returned will implement OpenGL ES 2.0. This is the only way in which |
| * an implementation may request an OpenGL ES 2.0 context." |
| */ |
| if (*api == __DRI_API_GLES2 && (*major_ver != 2 || *minor_ver != 0)) { |
| *error = __DRI_CTX_ERROR_BAD_API; |
| return false; |
| } |
| |
| *error = __DRI_CTX_ERROR_SUCCESS; |
| return true; |
| } |
| |
| #endif /* GLX_DIRECT_RENDERING */ |