Revert "Revert "fix [2793164] Spam 2x/second with TOT master in SurfaceFlinger""
This reverts commit 330dd304a471d260a73e342a240921c03c825f99.
diff --git a/libs/surfaceflinger/GLExtensions.h b/libs/surfaceflinger/GLExtensions.h
new file mode 100644
index 0000000..bbb284e
--- /dev/null
+++ b/libs/surfaceflinger/GLExtensions.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2010 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
+ *
+ * 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
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SF_GLEXTENSION_H
+#define ANDROID_SF_GLEXTENSION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/String8.h>
+#include <utils/SortedVector.h>
+#include <utils/Singleton.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+class GLExtensions : public Singleton<GLExtensions>
+{
+ friend class Singleton<GLExtensions>;
+
+ bool mHaveTextureExternal : 1;
+ bool mHaveNpot : 1;
+ bool mHaveDirectTexture : 1;
+
+ String8 mVendor;
+ String8 mRenderer;
+ String8 mVersion;
+ String8 mExtensions;
+ String8 mEglVendor;
+ String8 mEglVersion;
+ String8 mEglExtensions;
+ SortedVector<String8> mExtensionList;
+
+ GLExtensions(const GLExtensions&);
+ GLExtensions& operator = (const GLExtensions&);
+
+protected:
+ GLExtensions();
+
+public:
+ inline bool haveTextureExternal() const {
+ return mHaveTextureExternal;
+ }
+ inline bool haveNpot() const {
+ return mHaveNpot;
+ }
+ inline bool haveDirectTexture() const {
+ return mHaveDirectTexture;
+ }
+
+ void initWithGLStrings(
+ GLubyte const* vendor,
+ GLubyte const* renderer,
+ GLubyte const* version,
+ GLubyte const* extensions,
+ char const* egl_vendor,
+ char const* egl_version,
+ char const* egl_extensions);
+
+ char const* getVendor() const;
+ char const* getRenderer() const;
+ char const* getVersion() const;
+ char const* getExtension() const;
+
+ char const* getEglVendor() const;
+ char const* getEglVersion() const;
+ char const* getEglExtension() const;
+
+ bool hasExtension(char const* extension) const;
+};
+
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_SF_GLEXTENSION_H