#define DALI_FRAMEBUFFER_H
/*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 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>
}
/**
- * @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 Format of the FrameBuffer to be created.
- * @SINCE_1_1.43
+ * @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 With "NONE", no attachments are created initially. However color attachments can still be added as described above.
+ *
+ * @SINCE_1_1.45
*/
- enum Format
+ struct Attachment
{
- COLOR, ///< Framebuffer will be created with color buffer @SINCE_1_1.43
- COLOR_DEPTH, ///< Framebuffer will be created with color and depth buffer @SINCE_1_1.43
- COLOR_STENCIL, ///< Framebuffer will be created with color and stencil buffer @SINCE_1_1.43
- COLOR_DEPTH_STENCIL ///< Framebuffer will be created with color, depth and stencil buffer. @note May be not supported in all devices @SINCE_1_1.43
+ /**
+ * @brief Enumeration for the bit-mask value.
+ * @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
+ };
};
/**
- * @brief Creates a new FrameBuffer object
+ * @brief Creates a new FrameBuffer object.
*
* @SINCE_1_1.43
* @param[in] width The width of the FrameBuffer
* @param[in] height The height of the FrameBuffer
- * @param[in] format The format 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)
* @return A handle to a newly allocated FrameBuffer
*/
- static FrameBuffer New( unsigned int width, unsigned int height, Format format );
+ static FrameBuffer New( uint32_t width, uint32_t height, uint32_t attachments );
/**
- * @brief Default constructor, creates an empty handle
+ * @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 );
/**
- * @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 );
/**
- * @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
FrameBuffer& operator=( const FrameBuffer& handle );
/**
- * @brief Attach the base LOD of a 2D texture to the framebuffer for color rendering
+ * @brief Attach the base LOD of a 2D texture to the framebuffer for color rendering.
+ * @note This causes a color attachment to be added.
*
* @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
+ * otherwise it won't be attached.
*/
void AttachColorTexture( Texture& texture );
/**
- * @brief Attach a texture to the framebuffer for color rendering
+ * @brief Attach a texture to the framebuffer for color rendering.
+ * @note This causes a color attachment to be added.
*
* @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
+ * 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 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
projects / platform / core / uifw / dali-core.git / blobdiff