Returns application cache directory. Cache directory will be created on SD card <i>("/Android/data/[app_package_name]/cache")</i> (if card is mounted

Returns individual application cache directory (for only video caching from Proxy). Cache directory will be created on SD card <i>("/Android/data/[app

获取设备屏幕大小 @param context @return 0 width, 1 height(includes status bar、navigation bar)

将画面的小大和当前的坐标系，做正交投影。让其显示在当前的页面中。 @param matrix @param imgWidth @param imgHeight @param viewWidth @param viewHeight

色调、饱和度、亮度 通过ColorMatrix的PostConcat相乘，对原始图片进行变换处理 @param oriBmp @param hue 色调调节范围 -180度至180度 @param saturation @param lum @return

Buffer初始化

Checks is cache contains fully cached file for particular url. @param url an url cache file will be checked for. @return {@code true} if cache contai

Links a vertex shader and a fragment shader together into an OpenGL program. Returns the OpenGL program object ID, or 0 if linking failed.

Links a vertex shader and a fragment shader together into an OpenGL program. Returns the OpenGL program object ID, or 0 if linking failed.

Links a vertex shader and a fragment shader together into an OpenGL program. Returns the OpenGL program object ID, or 0 if linking failed.

Copy the heightmap data into a vertex buffer object.

Loads a cubemap texture from the provided resources and returns the texture ID. Returns 0 if the load failed. @param context @param cubeResources

Loads a texture from a resource ID, returning the OpenGL ID for that texture. Returns 0 if the load failed. @param context @param resourceId @return

Loads a texture from a resource ID, returning the OpenGL ID for that texture. Returns 0 if the load failed. @param context @param resourceId @return

Loads a texture from a resource ID, returning the OpenGL ID for that texture. Returns 0 if the load failed. @param context @param resourceId @return