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Diffstat (limited to 'libs/surfaceflinger/TextureManager.h')
-rw-r--r-- | libs/surfaceflinger/TextureManager.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libs/surfaceflinger/TextureManager.h b/libs/surfaceflinger/TextureManager.h new file mode 100644 index 0000000..d0acfe9 --- /dev/null +++ b/libs/surfaceflinger/TextureManager.h @@ -0,0 +1,82 @@ +/* + * 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 |