#define __DALI_FRAME_BUFFER_IMAGE_H__
/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
// INTERNAL INCLUDES
#include <dali/public-api/images/image.h>
+#include <dali/public-api/images/native-image-interface.h>
#include <dali/public-api/images/pixel.h>
namespace Dali
{
+/**
+ * @addtogroup dali_core_images
+ * @{
+ */
namespace Internal DALI_INTERNAL
{
class FrameBufferImage;
}
+namespace RenderBuffer
+{
/**
- * @brief FrameBufferImage represents a GLES Frame Buffer Object and contains the result
+ * @brief Render Buffer formats
+ *
+ * The default format for framebuffer creation is COLOR, so If a depth buffer for 3D rendering is required use
+ * COLOR_DEPTH instead
+ * @SINCE_1_0.0
+ */
+enum Format ///< Framebuffer format, default color depth is RGBA 32 bit with alpha @SINCE_1_0.0
+{
+ COLOR, ///< Framebuffer will be created with color buffer. @SINCE_1_0.0
+ COLOR_DEPTH, ///< Framebuffer will be created with color and depth buffer @SINCE_1_0.0
+ COLOR_STENCIL, ///< Framebuffer will be created with color and stencil buffer @SINCE_1_0.0
+ COLOR_DEPTH_STENCIL ///< Framebuffer will be created with color, depth and stencil buffer. @note May be not supported in all devices @SINCE_1_0.0
+};
+}
+
+/**
+ * @brief FrameBufferImage represents an Open GL ES Frame Buffer Object and contains the result
* of an 'off screen' render pass of a RenderTask.
- * The FrameBufferImage can then be used with an ImageActor (with optional shader
- * effects) and rendered to the screen.
+ *
+ * The FrameBufferImage can then be used for rendering to the screen.
+ * @SINCE_1_0.0
*/
class DALI_IMPORT_API FrameBufferImage : public Image
{
/**
* @brief Constructor which creates an uninitialized FrameBufferImage object.
*
- * Use Image::New(...) to create an initialised object.
+ * Use @ref FrameBufferImage::New to create an initialised object.
+ * @SINCE_1_0.0
*/
FrameBufferImage();
* @brief Create a new FrameBufferImage.
*
* The maximum size of the image is limited by GL_MAX_TEXTURE_SIZE.
- * The ReleasePolicy defaults to Dali::Image::Never.
+ *
+ * @SINCE_1_0.0
* @param [in] width The width in pixels. Setting to zero will use the width of the stage.
* @param [in] height The height in pixels. Setting to zero will use the height of the stage.
- * @param [in] pixelformat The pixel format (rgba 32 bit by default)
- * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if pixelFormat is not supported on the hardware platform.
+ * @param [in] pixelFormat The pixel format (rgba 32 bit by default)
+ * @param [in] bufferFormat The format of the buffers that are going to be created for the FBO, (COLOR and DEPTH buffer as default)
* @return A handle to a new instance of a FrameBufferImage.
+ * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if pixelFormat is not supported on the hardware platform.
*/
- static FrameBufferImage New(unsigned int width = 0, unsigned int height = 0, Pixel::Format pixelformat = Pixel::RGBA8888);
+ static FrameBufferImage New(unsigned int width = 0, unsigned int height = 0, Pixel::Format pixelFormat = Pixel::RGBA8888,
+ RenderBuffer::Format bufferFormat = RenderBuffer::COLOR);
/**
+ * @DEPRECATED_1_1.3. Use New() instead.
+ *
* @brief Create a new FrameBufferImage.
*
* The maximum size of the image is limited by GL_MAX_TEXTURE_SIZE.
+ * @SINCE_1_0.0
+ * @remarks Image::ReleasePolicy is an experimental feature and might not be supported in the next release.
+ * We do recommend not to use this method.
+ * Please refer the Remarks of ReleasePolicy for more information.
* @param [in] width The width in pixels. Setting to zero will use the width of the stage.
* @param [in] height The height in pixels. Setting to zero will use the height of the stage.
- * @param [in] pixelformat The pixel format.
- * @param [in] releasePolicy The ReleasePolicy to apply to the FrameBufferImage.
- *
- * Note that there is no need for a LoadPolicy - by definition it is always OnDemand, since there is no point in the FrameBufferImage existing unless someone is rendering to
- * it, or it is being used as an input (e.g. ShaderEffect / ImageActor).
+ * @param [in] pixelFormat The pixel format.
+ * @param [in] releasePolicy The releasePolicy to apply to the FrameBufferImage.
+ * @param [in] bufferFormat The format of the buffers that are going to be created for the FBO, (COLOR and DEPTH buffer as default)
*
- * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if pixelFormat is not supported on the hardware platform.
* @return A handle to a new instance of a FrameBufferImage.
+ * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if pixelFormat is not supported on the hardware platform.
*/
- static FrameBufferImage New(unsigned int width, unsigned int height, Pixel::Format pixelformat, ReleasePolicy releasePolicy );
+ static FrameBufferImage New(unsigned int width, unsigned int height, Pixel::Format pixelFormat, ReleasePolicy releasePolicy,
+ RenderBuffer::Format bufferFormat = RenderBuffer::COLOR);
/**
* @brief Create a new FrameBufferImage.
*
* The maximum size of the image is limited by GL_MAX_TEXTURE_SIZE.
+ * @SINCE_1_0.0
* @param [in] image The native image.
*
- * Note that there is no need for a LoadPolicy - by definition it is always OnDemand, since there is no point in the FrameBufferImage existing unless someone is rendering to
- * it, or it is being used as an input (e.g. ShaderEffect / ImageActor).
- *
- * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if the NativeImage cannot be mapped to a texture.
* @return A handle to a new instance of a FrameBufferImage.
+ * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if the NativeImage cannot be mapped to a texture.
*/
- static FrameBufferImage New(NativeImage& image);
+ static FrameBufferImage New(NativeImageInterface& image);
/**
+ * @DEPRECATED_1_1.3. Use New( NativeImageInterface& ) instead.
+ *
* @brief Create a new FrameBufferImage.
*
* The maximum size of the image is limited by GL_MAX_TEXTURE_SIZE.
+ * @SINCE_1_0.0
+ * @remarks Image::ReleasePolicy is an experimental feature and might not be supported in the next release.
+ * We do recommend not to use this method.
+ * Please refer the remarks of ReleasePolicy for more information.
* @param [in] image The native image.
- * @param [in] releasePolicy The ReleasePolicy to apply to the FrameBufferImage.
- *
- * Note that there is no need for a LoadPolicy - by definition it is always OnDemand, since there is no point in the FrameBufferImage existing unless someone is rendering to
- * it, or it is being used as an input (e.g. ShaderEffect / ImageActor).
+ * @param [in] releasePolicy The releasePolicy to apply to the FrameBufferImage.
*
- * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if the NativeImage cannot be mapped to a texture.
* @return A handle to a new instance of a FrameBufferImage.
+ * @post When the FrameBufferImage is first used as a render target, an exception may be thrown if the NativeImage cannot be mapped to a texture.
*/
- static FrameBufferImage New(NativeImage& image, ReleasePolicy releasePolicy);
+ static FrameBufferImage New(NativeImageInterface& image, ReleasePolicy releasePolicy);
/**
- * @brief Downcast an Object handle to FrameBufferImage handle.
+ * @brief Downcast a handle to FrameBufferImage handle.
*
* If handle points to a FrameBufferImage object the
* downcast produces valid handle. If not the returned handle is left uninitialized.
- * @param[in] handle to An object
- * @return handle to a FrameBufferImage object or an uninitialized handle
+ * @SINCE_1_0.0
+ * @param[in] handle Handle to an object
+ * @return Handle to a FrameBufferImage object or an uninitialized handle
*/
static FrameBufferImage DownCast( BaseHandle handle );
* @brief Destructor
*
* This is non-virtual since derived Handle types must not contain data or virtual methods.
+ * @SINCE_1_0.0
*/
~FrameBufferImage();
/**
* @brief This copy constructor is required for (smart) pointer semantics.
*
+ * @SINCE_1_0.0
* @param [in] handle A reference to the copied handle
*/
FrameBufferImage(const FrameBufferImage& handle);
/**
* @brief This assignment operator is required for (smart) pointer semantics.
*
+ * @SINCE_1_0.0
* @param [in] rhs A reference to the copied handle
* @return A reference to this
*/
explicit DALI_INTERNAL FrameBufferImage(Internal::FrameBufferImage*);
}; //class FrameBufferImage
+/**
+ * @}
+ */
} // namespace Dali
#endif // __DALI_FRAME_BUFFER_IMAGE_H__