#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.
*
* order to find the driver.
*
* \param driverName - a name like "i965", "radeon", "nouveau", etc.
+ * \param out_driver_handle - Address to return the resulting dlopen() handle.
*
* \returns
- * A handle from \c dlopen, or \c NULL if driver file not found.
+ * The __DRIextension entrypoint table for the driver, or \c NULL if driver
+ * file not found.
*/
-_X_HIDDEN void *
-driOpenDriver(const char *driverName)
+_X_HIDDEN const __DRIextension **
+driOpenDriver(const char *driverName, void **out_driver_handle)
{
- void *glhandle, *handle;
- const char *libPaths, *p, *next;
- char realDriverName[200];
- int len;
+ void *glhandle;
/* 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());
- }
+ static const char *search_path_vars[] = {
+ "LIBGL_DRIVERS_PATH",
+ "LIBGL_DRIVERS_DIR", /* deprecated */
+ NULL
+ };
- if (!handle)
- ErrorMessageF("unable to load driver: %s_dri.so\n", driverName);
+ const __DRIextension **extensions =
+ loader_open_driver(driverName, out_driver_handle, search_path_vars);
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;
}
__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_RGB, bindToTextureRgb),
__ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA, bindToTextureRgba),
__ATTRIB(__DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE,
bindToMipmapTexture),
return GL_FALSE;
break;
+ case __DRI_ATTRIB_SWAP_METHOD:
+ if (value == __DRI_ATTRIB_SWAP_EXCHANGE)
+ glxValue = GLX_SWAP_EXCHANGE_OML;
+ else if (value == __DRI_ATTRIB_SWAP_COPY)
+ glxValue = GLX_SWAP_COPY_OML;
+ else
+ glxValue = GLX_SWAP_UNDEFINED_OML;
+
+ if (!scalarEqual(config, attrib, glxValue))
+ return GL_FALSE;
+
+ break;
+
default:
if (!scalarEqual(config, attrib, value))
return GL_FALSE;
free(configs);
}
+static struct glx_config *
+driInferDrawableConfig(struct glx_screen *psc, GLXDrawable draw)
+{
+ unsigned int fbconfig = 0;
+
+ if (__glXGetDrawableAttribute(psc->dpy, draw, GLX_FBCONFIG_ID, &fbconfig)) {
+ return glx_config_find_fbconfig(psc->configs, fbconfig);
+ }
+
+ return NULL;
+}
+
_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;
+ struct glx_config *config = gc->config;
if (priv == NULL)
return NULL;
return pdraw;
}
- pdraw = psc->driScreen->createDrawable(psc, glxDrawable,
- glxDrawable, gc->config);
+ if (config == NULL)
+ config = driInferDrawableConfig(gc->psc, glxDrawable);
+ if (config == NULL)
+ return NULL;
+
+ pdraw = psc->driScreen->createDrawable(psc, glxDrawable, glxDrawable,
+ config);
if (pdraw == NULL) {
ErrorMessageF("failed to create drawable\n");
if (pdraw->drawable == pdraw->xDrawable) {
pdraw->refcount --;
if (pdraw->refcount == 0) {
- (*pdraw->destroyDrawable)(pdraw);
+ pdraw->destroyDrawable(pdraw);
__glxHashDelete(priv->drawHash, gc->currentDrawable);
}
}
if (pdraw->drawable == pdraw->xDrawable) {
pdraw->refcount --;
if (pdraw->refcount == 0) {
- (*pdraw->destroyDrawable)(pdraw);
+ pdraw->destroyDrawable(pdraw);
__glxHashDelete(priv->drawHash, gc->currentReadable);
}
}
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)
+ int *reset, int *release, unsigned *error)
{
unsigned i;
bool got_profile = false;
+ int no_error = 0;
uint32_t profile;
*major_ver = 1;
*minor_ver = 0;
*render_type = GLX_RGBA_TYPE;
*reset = __DRI_CTX_RESET_NO_NOTIFICATION;
+ *release = __DRI_CTX_RELEASE_BEHAVIOR_FLUSH;
*flags = 0;
*api = __DRI_API_OPENGL;
case GLX_CONTEXT_FLAGS_ARB:
*flags = attribs[i * 2 + 1];
break;
+ case GLX_CONTEXT_OPENGL_NO_ERROR_ARB:
+ no_error = attribs[i * 2 + 1];
+ break;
case GLX_CONTEXT_PROFILE_MASK_ARB:
profile = attribs[i * 2 + 1];
got_profile = true;
return false;
}
break;
+ case GLX_CONTEXT_RELEASE_BEHAVIOR_ARB:
+ switch (attribs[i * 2 + 1]) {
+ case GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB:
+ *release = __DRI_CTX_RELEASE_BEHAVIOR_NONE;
+ break;
+ case GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB:
+ *release = __DRI_CTX_RELEASE_BEHAVIOR_FLUSH;
+ break;
+ default:
+ *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+ return false;
+ }
+ break;
default:
/* If an unknown attribute is received, fail.
*/
}
}
+ if (no_error) {
+ *flags |= __DRI_CTX_FLAG_NO_ERROR;
+ }
+
if (!got_profile) {
if (*major_ver > 3 || (*major_ver == 3 && *minor_ver >= 2))
*api = __DRI_API_OPENGL_CORE;
case GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB:
*api = __DRI_API_OPENGL;
break;
- case GLX_CONTEXT_ES2_PROFILE_BIT_EXT:
- *api = __DRI_API_GLES2;
- break;
+ case GLX_CONTEXT_ES_PROFILE_BIT_EXT:
+ if (*major_ver >= 3)
+ *api = __DRI_API_GLES3;
+ else if (*major_ver == 2 && *minor_ver == 0)
+ *api = __DRI_API_GLES2;
+ else if (*major_ver == 1 && *minor_ver < 2)
+ *api = __DRI_API_GLES;
+ else {
+ *error = __DRI_CTX_ERROR_BAD_API;
+ return false;
+ }
+ 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)) {
+ | __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS
+ | __DRI_CTX_FLAG_NO_ERROR)) {
*error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
return false;
}
return false;
}
- /* The GLX_EXT_create_context_es2_profile spec says:
+ *error = __DRI_CTX_ERROR_SUCCESS;
+ return true;
+}
+
+_X_HIDDEN bool
+dri2_check_no_error(uint32_t flags, struct glx_context *share_context,
+ int major, unsigned *error)
+{
+ Bool noError = flags & __DRI_CTX_FLAG_NO_ERROR;
+
+ /* The KHR_no_error specs say:
+ *
+ * Requires OpenGL ES 2.0 or OpenGL 2.0.
+ */
+ if (noError && major < 2) {
+ *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+ return false;
+ }
+
+ /* The GLX_ARB_create_context_no_error specs say:
+ *
+ * BadMatch is generated if the value of GLX_CONTEXT_OPENGL_NO_ERROR_ARB
+ * used to create <share_context> does not match the value of
+ * GLX_CONTEXT_OPENGL_NO_ERROR_ARB for the context being created.
+ */
+ if (share_context && !!share_context->noError != !!noError) {
+ *error = __DRI_CTX_ERROR_BAD_FLAG;
+ return false;
+ }
+
+ /* The GLX_ARB_create_context_no_error specs say:
+ *
+ * BadMatch is generated if the GLX_CONTEXT_OPENGL_NO_ERROR_ARB is TRUE at
+ * the same time as a debug or robustness context is specified.
*
- * "... 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;
+ if (noError && ((flags & __DRI_CTX_FLAG_DEBUG) ||
+ (flags & __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS))) {
+ *error = __DRI_CTX_ERROR_BAD_FLAG;
return false;
}
- *error = __DRI_CTX_ERROR_SUCCESS;
return true;
}