[3.0] remove Uniform name cache as its no longer used

[platform/core/uifw/dali-core.git] / dali / internal / render / renderers / render-texture.h

diff --git a/dali/internal/render/renderers/render-texture.h b/dali/internal/render/renderers/render-texture.h
index c7d80d9..8e3dc3d 100644 (file)
--- 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.
@@ -21,7 +21,12 @@
 #include <string>
 
 // INTERNAL INCLUDES
-#include <dali/devel-api/rendering/sampler.h>
+#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
@@ -30,7 +35,7 @@ namespace Internal
 {
 namespace Render
 {
-class Sampler;
+struct Sampler;
 
 /**
  * This class is the mapping between texture id, sampler and sampler uniform name
@@ -40,14 +45,6 @@ class Texture
 public:
 
   /**
-   * Enumeration to tell that this sampler does not have a unique index yet
-   */
-  enum
-  {
-    NOT_INITIALIZED = -1
-  };
-
-  /**
    * Constructor
    */
   Texture()
@@ -95,6 +92,134 @@ private:
   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;
+
+  /**
+   * 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
+   */
+  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 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:
+
+  /**
+   * 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 Render
 
 } // namespace Internal