X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Finternal%2Frender%2Frenderers%2Frender-texture.h;h=771fca072acc8cdd1f26ee8dc64aac114580284c;hb=88c06f8cdea30606c625dd3a7aecb0df8652af72;hp=35ed3a1e4ddd7ec87db7fbb0f15ffe8b1f8b7399;hpb=a24132aca321ed9729380f6b438f09ef02ef7071;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 35ed3a1..771fca0 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) 2017 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.
@@ -17,85 +17,155 @@
  * 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/images/image-operations.h> // Dali::ImageDimensions
+#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>
+
 namespace Dali
 {
 namespace Internal
 {
 namespace Render
 {
-class Sampler;
+struct Sampler;
 
 class Texture
 {
 public:
 
+  typedef Dali::TextureType::Type Type;
+
   /**
    * Constructor
+   * @param[in] type The type of the texture
+   * @param[in] format The format of the pixel data
+   * @param[in] size The size of the texture
    */
-  Texture()
-  :mUniformName(),
-   mSampler(0),
-   mTextureId(Integration::InvalidResourceId)
-  {}
+  Texture( Type type, Pixel::Format format, ImageDimensions size );
 
   /**
-   * Constructor
+   * Constructor from native image
+   * @param[in] nativeImageInterface The native image
    */
-  Texture( const std::string& samplerName, Integration::ResourceId textureId, Render::Sampler* sampler )
-  :mUniformName( samplerName ),
-   mSampler( sampler ),
-   mTextureId( textureId)
-  {}
+  Texture( NativeImageInterfacePtr nativeImageInterface );
 
   /**
    * Destructor
    */
-  ~Texture()
-  {}
+  ~Texture();
+
+  /**
+   * 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 );
+
+  /**
+   * Called by RenderManager to inform the texture that the context has been destroyed
+   */
+  void GlContextDestroyed();
+
+  /**
+   * 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::Texture::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 Render::Sampler used by the texture
-   * @Return The Render::Sampler being used or 0 if using the default
+  /**
+   * Get the id of the texture
+   * @return Id of the texture
    */
-  inline const Render::Sampler* GetSampler() const
+  GLuint GetId()
   {
-    return mSampler;
+    return mId;
   }
 
-public: // called from RenderThread
-
   /**
-   * Get the texture unit uniform name
-   * @return the name of the texture unit uniform
+   * Get the type of the texture
+   * @return Type of the texture
    */
-  inline const std::string& GetUniformName() const
+  Type GetType() const
   {
-    return mUniformName;
+    return mType;
   }
 
   /**
-   * Get the texture ID
-   * @param[in] bufferIndex The buffer index to use
-   * @return the identity of the associated texture
+   * Check if the texture is a native image
+   * @return if the texture is a native image
    */
-  inline Integration::ResourceId GetTextureId() const
+  bool IsNativeImage() const
   {
-    return mTextureId;
+    return mNativeImage;
   }
 
 private:
-  std::string             mUniformName;
-  Render::Sampler*        mSampler;
-  Integration::ResourceId mTextureId;
+
+  /**
+   * 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 );
+
+  NativeImageInterfacePtr mNativeImage; ///< Pointer to native image
+  Render::Sampler mSampler;             ///< The current sampler state
+  GLuint mId;                           ///< Id of the texture
+  GLuint mTarget;                       ///< Specifies the target to which the texture is bound.
+  GLint mGlInternalFormat;              ///< The gl internal format of the pixel data
+  GLenum mGlFormat;                     ///< The gl format of the pixel data
+  GLenum mPixelDataType;                ///< The data type of the pixel data
+  uint16_t mWidth;                      ///< Width of the texture
+  uint16_t mHeight;                     ///< Height of the texture
+  uint16_t mMaxMipMapLevel;             ///< Maximum mipmap level
+  Type mType:3;                         ///< Type 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