dali/internal/event/images/frame-buffer-image-impl.cpp

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/event/images/frame-buffer-image-impl.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/public-api/object/type-registry.h>
  23 #include <dali/internal/event/common/thread-local-storage.h>
  24
  25 namespace Dali
  26 {
  27
  28 namespace Internal
  29 {
  30
  31 namespace
  32 {
  33 TypeRegistration mType( typeid( Dali::FrameBufferImage ), typeid( Dali::Image ), NULL );
  34
  35 const int RenderBufferFormatToFrameBufferAttachments[]  = { Dali::FrameBuffer::Attachment::NONE,
  36                                                             Dali::FrameBuffer::Attachment::DEPTH,
  37                                                             Dali::FrameBuffer::Attachment::STENCIL,
  38                                                             Dali::FrameBuffer::Attachment::DEPTH_STENCIL
  39                                                           };
  40
  41 } // unnamed namespace
  42
  43 FrameBufferImagePtr FrameBufferImage::New( unsigned int width,
  44                                            unsigned int height,
  45                                            Pixel::Format pixelFormat,
  46                                            RenderBuffer::Format bufferformat )
  47 {
  48   FrameBufferImagePtr image = new FrameBufferImage( width, height );
  49   image->Initialize();
  50
  51   image->mTexture = Texture::New( Dali::TextureType::TEXTURE_2D, pixelFormat, width, height );
  52   image->mFrameBufferObject = FrameBuffer::New( width, height, RenderBufferFormatToFrameBufferAttachments[bufferformat] );
  53   image->mFrameBufferObject->AttachColorTexture( image->mTexture, 0u, 0u );
  54
  55   return image;
  56 }
  57
  58 FrameBufferImagePtr FrameBufferImage::New( NativeImageInterface& nativeImage )
  59 {
  60   FrameBufferImagePtr image = new FrameBufferImage( nativeImage );
  61   image->Initialize();
  62
  63   image->mTexture = Texture::New( nativeImage );
  64   image->mFrameBufferObject = FrameBuffer::New( image->mTexture->GetWidth(), image->mTexture->GetHeight(), Dali::FrameBuffer::Attachment::NONE );
  65   image->mFrameBufferObject->AttachColorTexture( image->mTexture, 0u, 0u );
  66
  67   return image;
  68 }
  69
  70 FrameBufferImage::FrameBufferImage( unsigned int width, unsigned int height)
  71 : Image(),
  72   mNativeImage(0),
  73   mIsNativeFbo( false )
  74 {
  75   mWidth  = width;
  76   mHeight = height;
  77 }
  78
  79 FrameBufferImage::FrameBufferImage( NativeImageInterface& nativeImage )
  80 : Image(),
  81   mNativeImage( &nativeImage ),
  82   mIsNativeFbo( true )
  83 {
  84   mWidth = nativeImage.GetWidth();
  85   mHeight = nativeImage.GetHeight();
  86 }
  87
  88
  89 bool FrameBufferImage::IsNativeFbo() const
  90 {
  91   return mIsNativeFbo;
  92 }
  93
  94 FrameBufferImage::~FrameBufferImage()
  95 {
  96 }
  97
  98 } // namespace Internal
  99
 100 } // namespace Dali