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