};
/*
- * This is the list of EGL extensions exposed to applications,
- * some of them are mandatory because used by the ANDROID system.
+ * This is the list of EGL extensions exposed to applications.
*
- * Mandatory extensions are required per the CDD and not explicitly
- * checked during EGL initialization. the system *assumes* these extensions
- * are present. the system may not function properly if some mandatory
- * extensions are missing.
+ * Some of them (gBuiltinExtensionString) are implemented entirely in this EGL
+ * wrapper and are always available.
*
- * NOTE: gExtensionString MUST have a single space as the last character.
+ * The rest (gExtensionString) depend on support in the EGL driver, and are
+ * only available if the driver supports them. However, some of these must be
+ * supported because they are used by the Android system itself; these are
+ * listd as mandatory below and are required by the CDD. The system *assumes*
+ * the mandatory extensions are present and may not function properly if some
+ * are missing.
+ *
+ * NOTE: Both strings MUST have a single space as the last character.
*/
+extern char const * const gBuiltinExtensionString =
+ "EGL_KHR_get_all_proc_addresses "
+ "EGL_ANDROID_presentation_time "
+ ;
extern char const * const gExtensionString =
"EGL_KHR_image " // mandatory
"EGL_KHR_image_base " // mandatory
"EGL_NV_system_time "
"EGL_ANDROID_image_native_buffer " // mandatory
"EGL_KHR_wait_sync " // strongly recommended
- "EGL_ANDROID_presentation_time "
;
// extensions not exposed to applications but used by the ANDROID system
-/*
+/*
** Copyright 2007, The Android Open Source Project
**
- ** Licensed under the Apache License, Version 2.0 (the "License");
- ** you may not use this file except in compliance with the License.
- ** You may obtain a copy of the License at
+ ** Licensed under the Apache License, Version 2.0 (the "License");
+ ** you may not use this file except in compliance with the License.
+ ** You may obtain a copy of the License at
**
- ** http://www.apache.org/licenses/LICENSE-2.0
+ ** http://www.apache.org/licenses/LICENSE-2.0
**
- ** Unless required by applicable law or agreed to in writing, software
- ** distributed under the License is distributed on an "AS IS" BASIS,
- ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- ** See the License for the specific language governing permissions and
+ ** Unless required by applicable law or agreed to in writing, software
+ ** distributed under the License is distributed on an "AS IS" BASIS,
+ ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ** See the License for the specific language governing permissions and
** limitations under the License.
*/
static char const * const sVersionString = "1.4 Android META-EGL";
static char const * const sClientApiString = "OpenGL_ES";
+extern char const * const gBuiltinExtensionString;
extern char const * const gExtensionString;
extern void initEglTraceLevel();
mVersionString.setTo(sVersionString);
mClientApiString.setTo(sClientApiString);
- // we only add extensions that exist in the implementation
+ mExtensionString.setTo(gBuiltinExtensionString);
char const* start = gExtensionString;
char const* end;
do {