headers from v1.31.5

ios/include/backend/platforms/PlatformEGLAndroid.h

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2017 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 TNT_FILAMENT_BACKEND_OPENGL_OPENGL_PLATFORM_EGL_ANDROID_H
+#define TNT_FILAMENT_BACKEND_OPENGL_OPENGL_PLATFORM_EGL_ANDROID_H
+
+#include <backend/platforms/PlatformEGL.h>
+
+namespace filament::backend {
+
+class ExternalStreamManagerAndroid;
+
+/**
+ * A concrete implementation of OpenGLPlatform and subclass of PlatformEGL that supports
+ * EGL on Android. It adds Android streaming functionality to PlatformEGL.
+ */
+class PlatformEGLAndroid : public PlatformEGL {
+public:
+
+    PlatformEGLAndroid() noexcept;
+    ~PlatformEGLAndroid() noexcept override;
+
+protected:
+
+    // --------------------------------------------------------------------------------------------
+    // Platform Interface
+
+    /**
+     * Returns the Android SDK version.
+     * @return Android SDK version.
+     */
+    int getOSVersion() const noexcept override;
+
+    Driver* createDriver(void* sharedContext,
+            const Platform::DriverConfig& driverConfig) noexcept override;
+
+    // --------------------------------------------------------------------------------------------
+    // OpenGLPlatform Interface
+
+    void terminate() noexcept override;
+
+    /**
+     * Set the presentation time using `eglPresentationTimeANDROID`
+     * @param presentationTimeInNanosecond
+     */
+    void setPresentationTime(int64_t presentationTimeInNanosecond) noexcept override;
+
+
+    Stream* createStream(void* nativeStream) noexcept override;
+    void destroyStream(Stream* stream) noexcept override;
+    void attach(Stream* stream, intptr_t tname) noexcept override;
+    void detach(Stream* stream) noexcept override;
+    void updateTexImage(Stream* stream, int64_t* timestamp) noexcept override;
+
+    /**
+     * Converts a AHardwareBuffer to EGLImage
+     * @param source source.image is a AHardwareBuffer
+     * @return source.image contains an EGLImage
+     */
+    AcquiredImage transformAcquiredImage(AcquiredImage source) noexcept override;
+
+private:
+    int mOSVersion;
+    ExternalStreamManagerAndroid& mExternalStreamManager;
+};
+
+} // namespace filament::backend
+
+#endif // TNT_FILAMENT_BACKEND_OPENGL_OPENGL_PLATFORM_EGL_ANDROID_H