Move virtual camera service to frameworks/av/services
Bug: 311647154
Bug: 301023410
Test: atest virtual_camera_tests
Test: build & flash & adb shell cmd virtual_camera help
Change-Id: I6d43a2b70f454c9c01ec2abcae9f138cd78c6a85
diff --git a/services/camera/virtualcamera/util/EglProgram.h b/services/camera/virtualcamera/util/EglProgram.h
new file mode 100644
index 0000000..8e394e7
--- /dev/null
+++ b/services/camera/virtualcamera/util/EglProgram.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2023 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_COMPANION_VIRTUALCAMERA_EGLPROGRAM_H
+#define ANDROID_COMPANION_VIRTUALCAMERA_EGLPROGRAM_H
+
+#include "GLES/gl.h"
+
+namespace android {
+namespace companion {
+namespace virtualcamera {
+
+// Base class for EGL Shader programs representation.
+class EglProgram {
+ public:
+ virtual ~EglProgram();
+
+ // Returns whether the EGL Program was successfully compiled and linked.
+ bool isInitialized() const;
+
+ protected:
+ // Compile & link program from the vertex & fragment shader source.
+ bool initialize(const char* vertexShaderSrc, const char* fragmentShaderSrc);
+ GLuint mProgram;
+ // Whether the EGL Program was successfully compiled and linked.
+ bool mIsInitialized = false;
+};
+
+// Shader program to draw Julia Set test pattern.
+class EglTestPatternProgram : public EglProgram {
+ public:
+ EglTestPatternProgram();
+
+ bool draw(int width, int height, int frameNumber);
+};
+
+// Shader program to draw texture.
+//
+// Shader stretches the texture over the viewport (if the texture is not same
+// aspect ratio as viewport, it will be deformed).
+//
+// TODO(b/301023410) Add support for translation / cropping.
+class EglTextureProgram : public EglProgram {
+ public:
+ EglTextureProgram();
+
+ bool draw(GLuint textureId);
+};
+
+} // namespace virtualcamera
+} // namespace companion
+} // namespace android
+
+#endif // ANDROID_COMPANION_VIRTUALCAMERA_EGLPROGRAM_H