2 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali/internal/event/rendering/frame-buffer-impl.h>
22 #include <dali/internal/update/manager/update-manager.h>
23 #include <dali/internal/render/renderers/render-frame-buffer.h>
24 #include <dali/internal/render/renderers/render-texture-frame-buffer.h>
25 #include <dali/internal/render/renderers/render-surface-frame-buffer.h>
26 #include <dali/integration-api/render-surface.h>
33 FrameBufferPtr FrameBuffer::New( uint32_t width, uint32_t height, Mask attachments )
35 FrameBufferPtr frameBuffer( new FrameBuffer( width, height, attachments ) );
36 frameBuffer->Initialize();
40 FrameBufferPtr FrameBuffer::New( Dali::Integration::RenderSurface& renderSurface, Mask attachments )
42 Dali::PositionSize positionSize = renderSurface.GetPositionSize();
43 FrameBufferPtr frameBuffer( new FrameBuffer( positionSize.width, positionSize.height, attachments ) );
44 frameBuffer->Initialize( &renderSurface );
48 Render::FrameBuffer* FrameBuffer::GetRenderObject() const
53 FrameBuffer::FrameBuffer( uint32_t width, uint32_t height, Mask attachments )
54 : mEventThreadServices( EventThreadServices::Get() ),
55 mRenderObject( NULL ),
59 mAttachments( attachments ),
60 mColorAttachmentCount( 0 ),
61 mIsSurfaceBacked( false )
65 void FrameBuffer::Initialize( Integration::RenderSurface* renderSurface )
67 mIsSurfaceBacked = ( renderSurface != nullptr );
69 // If render surface backed, create a different scene object
70 // Make Render::FrameBuffer as a base class, and implement Render::TextureFrameBuffer & Render::WindowFrameBuffer
71 if ( mIsSurfaceBacked )
73 mRenderObject = new Render::SurfaceFrameBuffer( renderSurface );
77 mRenderObject = new Render::TextureFrameBuffer( mWidth, mHeight, mAttachments );
80 OwnerPointer< Render::FrameBuffer > transferOwnership( mRenderObject );
81 AddFrameBuffer( mEventThreadServices.GetUpdateManager(), transferOwnership );
84 void FrameBuffer::AttachColorTexture( TexturePtr texture, uint32_t mipmapLevel, uint32_t layer )
86 if ( mIsSurfaceBacked )
88 DALI_LOG_ERROR( "Attempted to attach color texture to a render surface backed FrameBuffer \n" );
92 if( ( texture->GetWidth() / ( 1u << mipmapLevel ) != mWidth ) ||
93 ( texture->GetHeight() / ( 1u << mipmapLevel ) != mHeight ) )
95 DALI_LOG_ERROR( "Failed to attach color texture to FrameBuffer: Size mismatch \n" );
97 else if ( mColorAttachmentCount >= Dali::DevelFrameBuffer::MAX_COLOR_ATTACHMENTS )
99 DALI_LOG_ERROR( "Failed to attach color texture to FrameBuffer: Exceeded maximum supported color attachments.\n" );
103 mColor[mColorAttachmentCount] = texture;
104 ++mColorAttachmentCount;
106 AttachColorTextureToFrameBuffer( mEventThreadServices.GetUpdateManager(), *mRenderObject, texture->GetRenderObject(), mipmapLevel, layer );
111 Texture* FrameBuffer::GetColorTexture(uint8_t index) const
113 return ( mIsSurfaceBacked || index >= mColorAttachmentCount ) ? nullptr : mColor[index].Get();
116 void FrameBuffer::SetSize( uint32_t width, uint32_t height )
121 if( mRenderObject->IsSurfaceBacked() )
123 SetFrameBufferSizeMessage( mEventThreadServices.GetUpdateManager(), static_cast<Render::SurfaceFrameBuffer*>( mRenderObject ), width, height );
127 void FrameBuffer::MarkSurfaceAsInvalid()
129 if ( mIsSurfaceBacked )
131 Render::SurfaceFrameBuffer* renderObject = static_cast<Render::SurfaceFrameBuffer*>( mRenderObject );
132 renderObject->MarkSurfaceAsInvalid();
136 FrameBuffer::~FrameBuffer()
138 if( EventThreadServices::IsCoreRunning() && mRenderObject )
140 RemoveFrameBuffer( mEventThreadServices.GetUpdateManager(), *mRenderObject );
145 } // namespace Internal