X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Finternal%2Frender%2Frenderers%2Frender-texture.h;h=8e3dc3df079520fa8040629b23556280a5fa9d5b;hb=5a35dc806d3f0f846232014534295c577275dc4c;hp=83c82f87edc59090339475f9f62f03de3bd8177d;hpb=6d393c62039167b16a8ae6d3a700122210a6102d;p=platform%2Fcore%2Fuifw%2Fdali-core.git

diff --git a/dali/internal/render/renderers/render-texture.h b/dali/internal/render/renderers/render-texture.h
index 83c82f8..8e3dc3d 100644
--- a/dali/internal/render/renderers/render-texture.h
+++ b/dali/internal/render/renderers/render-texture.h
@@ -2,7 +2,7 @@
 #define DALI_INTERNAL_RENDER_TEXTURE_H
 
 /*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2016 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.
@@ -17,18 +17,29 @@
  * limitations under the License.
  */
 
-#include <dali/devel-api/rendering/sampler.h>
-#include <dali/integration-api/resource-declarations.h>
+// EXTERNAL INCLUDES
 #include <string>
 
+// INTERNAL INCLUDES
+#include <dali/public-api/rendering/sampler.h>
+#include <dali/public-api/rendering/texture.h>
+#include <dali/internal/event/rendering/texture-impl.h>
+#include <dali/internal/render/gl-resources/context.h>
+#include <dali/internal/render/renderers/render-sampler.h>
+#include <dali/integration-api/gl-defines.h>
+#include <dali/integration-api/resource-declarations.h>
+
 namespace Dali
 {
 namespace Internal
 {
 namespace Render
 {
-class Sampler;
+struct Sampler;
 
+/**
+ * This class is the mapping between texture id, sampler and sampler uniform name
+ */
 class Texture
 {
 public:
@@ -37,18 +48,16 @@ public:
    * Constructor
    */
   Texture()
-  :mUniformName(""),
-   mTextureId(Integration::InvalidResourceId),
-   mSampler(0)
+  : mSampler( 0 ),
+    mTextureId( Integration::InvalidResourceId )
   {}
 
   /**
    * Constructor
    */
-  Texture( const char* samplerName, Integration::ResourceId textureId, Render::Sampler* sampler )
-  :mUniformName(samplerName),
-   mTextureId( textureId),
-   mSampler(sampler)
+  Texture( Integration::ResourceId textureId, Render::Sampler* sampler )
+  : mSampler( sampler ),
+    mTextureId( textureId)
   {}
 
   /**
@@ -66,35 +75,155 @@ public:
     return mSampler;
   }
 
-public: // SamplerDataProvider interface - called from RenderThread
+public: // called from RenderThread
+
   /**
-   * Get the texture unit uniform name
-   * @return the name of the texture unit uniform
+   * Get the texture ID
+   * @return the id of the associated texture
    */
-  inline const char* GetUniformName() const
+  inline Integration::ResourceId GetTextureId() const
   {
-    return mUniformName.c_str();
+    return mTextureId;
   }
 
+private:
+
+  Render::Sampler*        mSampler;
+  Integration::ResourceId mTextureId;
+};
+
+
+//TODO : Remove the old Render::Texture class (see above) once it is no longer needed by Image
+class NewTexture
+{
+public:
+
+  typedef Dali::TextureType::Type Type;
+
   /**
-   * Get the texture ID
-   * @param[in] bufferIndex The buffer index to use
-   * @return the identity of the associated texture
+   * Constructor
+   * @param[in] type The type of the texture
+   * @param[in] format The format of the pixel data
+   * @param[in] width The width of the texture
+   * @param[in] height The height of the texture
    */
-  inline Integration::ResourceId GetTextureId() const
+  NewTexture( Type type, Pixel::Format format, unsigned int width, unsigned int height );
+
+  /**
+   * Constructor from native image
+   * @param[in] nativeImageInterface The native image
+   */
+  NewTexture( NativeImageInterfacePtr nativeImageInterface );
+
+  /**
+   * Destructor
+   */
+  ~NewTexture();
+
+  /**
+   * Creates the texture in the GPU.
+   * Creates the texture and reserves memory for the first mipmap level
+   * @param[in] context The GL context
+   */
+  void Initialize(Context& context);
+
+  /**
+   * Deletes the texture from the GPU
+   * @param[in] context The GL context
+   */
+  void Destroy( Context& context );
+
+  /**
+   * Uploads data to the texture.
+   * @param[in] context The GL context
+   * @param[in] pixelData A pixel data object
+   * @param[in] params Upload parameters. See UploadParams
+   */
+  void Upload( Context& context, PixelDataPtr pixelData, const Internal::NewTexture::UploadParams& params );
+
+  /**
+   * Bind the texture to the given texture unit and applies the given sampler
+   * @param[in] context The GL context
+   * @param[in] textureUnit the texture unit
+   * @param[in] sampler The sampler to be used with the texture
+   * @return true if the bind succeeded, false otherwise
+   */
+  bool Bind( Context& context, unsigned int textureUnit, Render::Sampler* sampler );
+
+  /**
+   * Auto generates mipmaps for the texture
+   * @param[in] context The GL context
+   */
+  void GenerateMipmaps( Context& context );
+
+  /**
+   * Retrieve wheter the texture has an alpha channel
+   * @return True if the texture has alpha channel, false otherwise
+   */
+  bool HasAlphaChannel();
+
+  /**
+   * Get the id of the texture
+   * @return Id of the texture
+   */
+  GLuint GetId()
   {
-    return mTextureId;
+    return mId;
+  }
+
+  /**
+   * Get the width of the texture
+   * @return Width of the texture
+   */
+  unsigned int GetWidth() const
+  {
+    return mWidth;
+  }
+
+  /**
+   * Get the height of the texture
+   * @return Height of the texture
+   */
+  unsigned int GetHeight() const
+  {
+    return mHeight;
+  }
+
+  /**
+   * Get the type of the texture
+   * @return Type of the texture
+   */
+  Type GetType() const
+  {
+    return mType;
   }
 
 private:
-  std::string               mUniformName;
-  Integration::ResourceId   mTextureId;
-  Render::Sampler*          mSampler;
+
+  /**
+   * Helper method to apply a sampler to the texture
+   * @param[in] context The GL context
+   * @param[in] sampler The sampler
+   */
+  void ApplySampler( Context& context, Render::Sampler* sampler );
+
+  GLuint mId;                         ///<Id of the texture
+  Type mType;                         ///<Type of the texture
+  Render::Sampler mSampler;           ///<The current sampler state
+  NativeImageInterfacePtr mNativeImage; ///<Pointer to native image
+  GLenum mInternalFormat;             ///<The format of the pixel data
+  GLenum mPixelDataType;              ///<The data type of the pixel data
+  unsigned int mWidth;                ///<Widht of the texture
+  unsigned int mHeight;               ///<Height of the texture
+  bool mHasAlpha : 1;                 ///<Whether the format has an alpha channel
+  bool mIsCompressed : 1;             ///<Whether the format is compressed
 };
 
-} // namespace SceneGraph
+
+} // namespace Render
 
 } // namespace Internal
+
 } // namespace Dali