X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Finternal%2Frender%2Frenderers%2Frender-frame-buffer.h;h=bbd2bf052deaea5fa27118d9317a37099f55f2ec;hb=79881246746f65474b24ea4fe14151ccef8df3f4;hp=3cf711059da9fb1fda47986ea8db2caaabbf92d6;hpb=ba99c2fc92c63f4a7a513813dfc5e76cc502b831;p=platform%2Fcore%2Fuifw%2Fdali-core.git

diff --git a/dali/internal/render/renderers/render-frame-buffer.h b/dali/internal/render/renderers/render-frame-buffer.h
index 3cf7110..bbd2bf0 100644
--- a/dali/internal/render/renderers/render-frame-buffer.h
+++ b/dali/internal/render/renderers/render-frame-buffer.h
@@ -2,7 +2,7 @@
 #define DALI_INTERNAL_RENDER_FRAME_BUFFER_H
 
 /*
- * Copyright (c) 2018 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.
@@ -19,12 +19,15 @@
 
 // INTERNAL INCLUDES
 #include <dali/public-api/rendering/frame-buffer.h>
+#include <dali/devel-api/rendering/frame-buffer-devel.h>
 #include <dali/internal/render/gl-resources/context.h>
 #include <dali/internal/render/renderers/render-sampler.h>
 #include <dali/integration-api/gl-defines.h>
 
 namespace Dali
 {
+using Mask = Dali::FrameBuffer::Attachment::Mask;
+
 namespace Internal
 {
 namespace Render
@@ -37,71 +40,94 @@ public:
 
   /**
    * Constructor
-   * @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 (bit-mask)
    */
-  FrameBuffer( uint32_t width, uint32_t height, uint32_t attachments );
+  FrameBuffer( uint32_t width, uint32_t height, Mask attachments );
 
   /**
    * Destructor
    */
-  ~FrameBuffer();
+  virtual ~FrameBuffer();
 
   /**
    * Creates a FrameBuffer object in the GPU.
    * @param[in] context The GL context
    */
-  void Initialize(Context& context);
+  virtual void Initialize( Context& context );
 
   /**
    * Deletes the framebuffer object from the GPU
    * @param[in] context The GL context
    */
-  void Destroy( Context& context );
+  virtual void Destroy( Context& context );
 
   /**
    * Called by RenderManager to inform the framebuffer that the context has been destroyed
    */
-  void GlContextDestroyed();
+  virtual void GlContextDestroyed();
+
+  /**
+   * @brief Bind the framebuffer
+   * @param[in] context The GL context
+   */
+  virtual void Bind( Context& context );
+
+  /**
+   * @brief Get the width of the FrameBuffer
+   * @return The width of the framebuffer
+   */
+  virtual uint32_t GetWidth() const;
+
+  /**
+   * @brief Get the height of the FrameBuffer
+   * @return The height of the framebuffer
+   */
+  virtual uint32_t GetHeight() const;
 
   /**
    * @brief Attach a texture for color rendering. Valid only for Framebuffers with COLOR attachments.
-   * param[in] context The GL context
+   * @param[in] context The GL context
    * @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 A maximum of Dali::FrameBuffer::MAX_COLOR_ATTACHMENTS are supported.
    */
   void AttachColorTexture( Context& context, Render::Texture* texture, uint32_t mipmapLevel, uint32_t layer );
 
   /**
-   * @brief Bind the framebuffer
-   * @param[in] context The GL context
+   * @brief Get the number of textures bound to this frame buffer as color attachments.
+   * @return The number of color attachments.
    */
-  void Bind( Context& context );
+  uint8_t GetColorAttachmentCount() const { return mColorAttachmentCount; }
 
   /**
-   * @brief Get the width of the FrameBuffer
-   * @return The width of the framebuffer
+   * @brief Get the id (OpenGL handle) of the texture bound to this frame buffer as color attachment @a index.
+   * @return The texture id.
+   */
+  GLuint GetTextureId(uint8_t index) { return mTextureId[index]; };
+
+private:
+
+  /**
+   * @brief Undefined copy constructor. FrameBuffer cannot be copied
    */
-  uint32_t GetWidth() const;
+  FrameBuffer( const FrameBuffer& rhs ) = delete;
 
   /**
-   * @brief Get the height of the FrameBuffer
-   * @return The height of the framebuffer
+   * @brief Undefined assignment operator. FrameBuffer cannot be copied
    */
-  uint32_t GetHeight() const;
+  FrameBuffer& operator=( const FrameBuffer& rhs ) = delete;
 
 private:
 
   GLuint mId;
+  GLuint mTextureId[ Dali::DevelFrameBuffer::MAX_COLOR_ATTACHMENTS ];
   GLuint mDepthBuffer;
   GLuint mStencilBuffer;
   uint32_t mWidth;
   uint32_t mHeight;
+  uint8_t mColorAttachmentCount;
 };
 
-
 } // namespace Render
 
 } // namespace Internal