#define DALI_FRAMEBUFFER_H
/*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 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.
*
*/
+// EXTERNAL INCLUDES
+#include <cstdint> // uint32_t
+
// INTERNAL INCLUDES
#include <dali/public-api/object/base-handle.h>
#include <dali/public-api/rendering/texture.h>
namespace Dali
{
+/**
+ * @addtogroup dali_core_rendering_effects
+ * @{
+ */
namespace Internal DALI_INTERNAL
{
}
/**
- * @brief FrameBuffer is a collection of textures that can be used as the destination for rendering
+ * @brief FrameBuffer is a collection of textures that can be used as the destination for rendering.
* @SINCE_1_1.43
*/
-class DALI_IMPORT_API FrameBuffer : public BaseHandle
+class DALI_CORE_API FrameBuffer : public BaseHandle
{
public:
-
/**
* @brief The initial attachments to create the FrameBuffer with.
- * @note The color attachment is created on calling AttachColorTexture(). If a color attachment is not required, omit this call.
+ * @note The color attachment can also be created on calling AttachColorTexture().
* @note With "NONE", no attachments are created initially. However color attachments can still be added as described above.
*
* @SINCE_1_1.45
struct Attachment
{
/**
- * @brief The bit-mask value
+ * @brief Enumeration for the attachments and/or textures to be created by default
* @SINCE_1_1.45
*/
enum Mask
{
- NONE = 0, ///< No attachments are created initially @SINCE_1_1.45
-
- DEPTH = 1 << 0, ///< Depth buffer bit-mask value @SINCE_1_1.45
- STENCIL = 1 << 1, ///< Stencil buffer bit-mask value @SINCE_1_1.45
-
- // Preset bit-mask combinations:
- DEPTH_STENCIL = DEPTH | STENCIL ///< The Framebuffer will be created with depth and stencil buffer @SINCE_1_1.45
+ NONE = 0, ///< No attachments are created initially. @SINCE_1_1.45
+ DEPTH = 1 << 0, ///< Depth buffer is created. @SINCE_1_1.45
+ STENCIL = 1 << 1, ///< Stencil buffer is created. @SINCE_1_1.45
+ DEPTH_STENCIL = DEPTH | STENCIL, ///< Depth and stencil buffer are created. @SINCE_1_1.45
+ COLOR = 1 << 2, ///< Color texture is created. @SINCE_1_4.0
+ COLOR_DEPTH = COLOR | DEPTH, ///< Color texture and depth buffer are created. @SINCE_1_4.0
+ COLOR_STENCIL = COLOR | STENCIL, ///< Color texture and stencil buffer are created. @SINCE_1_4.0
+ COLOR_DEPTH_STENCIL = COLOR_DEPTH | STENCIL ///< Color, depth and stencil buffer are created. @SINCE_1_4.0
};
};
/**
- * @brief Creates a new FrameBuffer object
+ * @brief Creates a new FrameBuffer, which attaches only COLOR texture.
*
- * @SINCE_1_1.43
- * @param[in] width The width of the FrameBuffer
- * @param[in] height The height of the FrameBuffer
- * @param[in] attachments The attachments comprising the format of the FrameBuffer (the type is int to allow multiple bitmasks to be ORd).
+ * @SINCE_1_4.0
+ *
+ * @note Call GetColorTexture() to get the COLOR texture
+ *
+ * @param[in] width The width of the FrameBuffer and the color texture
+ * @param[in] height The height of the FrameBuffer and the color texture
* @return A handle to a newly allocated FrameBuffer
*/
- static FrameBuffer New( unsigned int width, unsigned int height, unsigned int attachments );
+ static FrameBuffer New(uint32_t width, uint32_t height);
/**
- * @brief Default constructor, creates an empty handle
+ * @brief Creates a new FrameBuffer with specific attachments.
+ *
+ * @SINCE_1_4.0
+ *
+ * @param[in] width The width of the FrameBuffer and the attachments
+ * @param[in] height The height of the FrameBuffer and the attachments
+ * @param[in] attachments Enumeration of the attachments to create
+ * @return A handle to a newly allocated FrameBuffer
+ */
+ static FrameBuffer New(uint32_t width, uint32_t height, Attachment::Mask attachments);
+
+ /**
+ * @brief Default constructor, creates an empty handle.
*/
FrameBuffer();
/**
- * @brief Destructor
+ * @brief Destructor.
* @SINCE_1_1.43
*/
~FrameBuffer();
/**
- * @brief Copy constructor, creates a new handle to the same object
+ * @brief Copy constructor, creates a new handle to the same object.
*
* @SINCE_1_1.43
* @param[in] handle Handle to an object
*/
- FrameBuffer( const FrameBuffer& handle );
+ FrameBuffer(const FrameBuffer& handle);
/**
- * @brief Downcast to a FrameBuffer.
- *
+ * @brief Downcasts to a FrameBuffer.
+ * If not, the returned handle is left uninitialized.
* @SINCE_1_1.43
- * If not the returned handle is left uninitialized.
* @param[in] handle Handle to an object
* @return FrameBuffer handle or an uninitialized handle
*/
- static FrameBuffer DownCast( BaseHandle handle );
+ static FrameBuffer DownCast(BaseHandle handle);
/**
- * @brief Assignment operator, changes this handle to point at the same object
+ * @brief Assignment operator, changes this handle to point at the same object.
*
* @SINCE_1_1.43
* @param[in] handle Handle to an object
* @return Reference to the assigned object
*/
- FrameBuffer& operator=( const FrameBuffer& handle );
+ FrameBuffer& operator=(const FrameBuffer& handle);
+
+ /**
+ * @brief Move constructor.
+ *
+ * @SINCE_1_9.22
+ * @param[in] rhs A reference to the moved handle
+ */
+ FrameBuffer(FrameBuffer&& rhs);
+
+ /**
+ * @brief Move assignment operator.
+ *
+ * @SINCE_1_9.22
+ * @param[in] rhs A reference to the moved handle
+ * @return A reference to this handle
+ */
+ FrameBuffer& operator=(FrameBuffer&& rhs);
/**
* @brief Attach the base LOD of a 2D texture to the framebuffer for color rendering.
* @note This causes a color attachment to be added.
+ * @note Repeated calls to this method add textures as subsequent color attachments.
+ * @note A maximum of 8 color attachments are supported.
*
* @SINCE_1_1.43
* @param[in] texture The texture that will be used as output when rendering
- * @note The texture has to have the same size than the FrameBuffer
- * otherwise it won't be attached
+ * @note The texture has to have same size as that of FrameBuffer
+ * otherwise it won't be attached.
*/
- void AttachColorTexture( Texture& texture );
+ void AttachColorTexture(Texture& texture);
/**
* @brief Attach a texture to the framebuffer for color rendering.
* @note This causes a color attachment to be added.
+ * @note Repeated calls to this method add textures as subsequent color attachments.
+ * @note A maximum of 8 color attachments are supported.
*
* @SINCE_1_1.43
* @param[in] texture The texture that will be used as output when rendering
* @param[in] mipmapLevel The mipmap of the texture to be attached
* @param[in] layer Indicates which layer of a cube map or array texture to attach. Unused for 2D textures
- * @note The specified texture mipmap has to have the same size than the FrameBuffer
- * otherwise it won't be attached
+ * @note The mipmapped texture has to have same size as that of FrameBuffer
+ * otherwise it won't be attached.
*/
- void AttachColorTexture( Texture& texture, unsigned int mipmapLevel, unsigned int layer );
+ void AttachColorTexture(Texture& texture, uint32_t mipmapLevel, uint32_t layer);
/**
- * @brief Get the color texture used as output in the FrameBuffer
+ * @brief Gets the first color texture used as output in the FrameBuffer.
*
* @SINCE_1_1.43
* @returns A handle to the texture used as color output, or an uninitialized handle
*/
Texture GetColorTexture();
-public:
+ /**
+ * @brief Retrieve rendered buffer.
+ * @return Buffer pointer of captured image.
+ */
+ uint8_t* GetRenderedBuffer();
+
+ /**
+ * @brief Request to capture rendered result
+ * @note This method request to capture once,
+ */
+ void CaptureRenderedResult();
+public:
/**
* @brief The constructor.
* @note Not intended for application developers.
* @SINCE_1_1.43
* @param[in] pointer A pointer to a newly allocated FrameBuffer
*/
- explicit DALI_INTERNAL FrameBuffer( Internal::FrameBuffer* pointer );
+ explicit DALI_INTERNAL FrameBuffer(Internal::FrameBuffer* pointer);
};
+/**
+ * @}
+ */
} //namespace Dali
#endif // DALI_FRAMEBUFFER_H
projects / platform / core / uifw / dali-core.git / blobdiff