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+/*
+ * 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_TEXTURE_MANAGER_H
+#define ANDROID_TEXTURE_MANAGER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
+
+#include <ui/Region.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class GraphicBuffer;
+
+// ---------------------------------------------------------------------------
+
+struct Image {
+ Image() : name(-1U), image(EGL_NO_IMAGE_KHR), width(0), height(0),
+ transform(0), dirty(true) { }
+ GLuint name;
+ EGLImageKHR image;
+ GLuint width;
+ GLuint height;
+ uint32_t transform;
+ bool dirty;
+};
+
+struct Texture : public Image {
+ Texture() : Image(), NPOTAdjust(false) { }
+ GLuint potWidth;
+ GLuint potHeight;
+ GLfloat wScale;
+ GLfloat hScale;
+ bool NPOTAdjust;
+};
+
+// ---------------------------------------------------------------------------
+
+class TextureManager {
+ uint32_t mFlags;
+ GLuint createTexture();
+ static bool isSupportedYuvFormat(int format);
+public:
+
+ TextureManager(uint32_t flags);
+
+ // load bitmap data into the active buffer
+ status_t loadTexture(Texture* texture,
+ const Region& dirty, const GGLSurface& t);
+
+ // make active buffer an EGLImage if needed
+ status_t initEglImage(Image* texture,
+ EGLDisplay dpy, const sp<GraphicBuffer>& buffer);
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_TEXTURE_MANAGER_H