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 const int RenderBufferFormatToFrameBufferAttachments[]  = { Dali::FrameBuffer::Attachment::NONE,
  34                                                             Dali::FrameBuffer::Attachment::DEPTH,
  35                                                             Dali::FrameBuffer::Attachment::STENCIL,
  36                                                             Dali::FrameBuffer::Attachment::DEPTH_STENCIL
  37                                                           };
  38
  39 } // unnamed namespace
  40
  41 FrameBufferImagePtr FrameBufferImage::New( unsigned int width,
  42                                            unsigned int height,
  43                                            Pixel::Format pixelFormat,
  44                                            RenderBuffer::Format bufferformat )
  45 {
  46   FrameBufferImagePtr image = new FrameBufferImage( width, height );
  47   image->Initialize();
  48
  49   image->mTexture = Texture::New( Dali::TextureType::TEXTURE_2D, pixelFormat, width, height );
  50   image->mFrameBufferObject = FrameBuffer::New( width, height, RenderBufferFormatToFrameBufferAttachments[bufferformat] );
  51   image->mFrameBufferObject->AttachColorTexture( image->mTexture, 0u, 0u );
  52
  53   return image;
  54 }
  55
  56 FrameBufferImagePtr FrameBufferImage::New( NativeImageInterface& nativeImage )
  57 {
  58   FrameBufferImagePtr image = new FrameBufferImage( nativeImage );
  59   image->Initialize();
  60
  61   image->mTexture = Texture::New( nativeImage );
  62   image->mFrameBufferObject = FrameBuffer::New( image->mTexture->GetWidth(), image->mTexture->GetHeight(), Dali::FrameBuffer::Attachment::NONE );
  63   image->mFrameBufferObject->AttachColorTexture( image->mTexture, 0u, 0u );
  64
  65   return image;
  66 }
  67
  68 FrameBufferImage::FrameBufferImage( unsigned int width, unsigned int height)
  69 : Image(),
  70   mNativeImage(0),
  71   mIsNativeFbo( false )
  72 {
  73   mWidth  = width;
  74   mHeight = height;
  75 }
  76
  77 FrameBufferImage::FrameBufferImage( NativeImageInterface& nativeImage )
  78 : Image(),
  79   mNativeImage( &nativeImage ),
  80   mIsNativeFbo( true )
  81 {
  82   mWidth = nativeImage.GetWidth();
  83   mHeight = nativeImage.GetHeight();
  84 }
  85
  86
  87 bool FrameBufferImage::IsNativeFbo() const
  88 {
  89   return mIsNativeFbo;
  90 }
  91
  92 FrameBufferImage::~FrameBufferImage()
  93 {
  94 }
  95
  96 } // namespace Internal
  97
  98 } // namespace Dali