2 * Copyright (c) 2017 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/texture-impl.h> // Dali::Internal::Texture
22 #include <dali/internal/update/manager/update-manager.h>
23 #include <dali/internal/event/common/stage-impl.h>
30 TexturePtr Texture::New(TextureType::Type type, Pixel::Format format, unsigned int width, unsigned int height )
32 constexpr auto max_value = std::numeric_limits< uint16_t >::max();
33 DALI_ASSERT_ALWAYS( ( width < max_value )&&( height < max_value )&& "Size out of range" );
34 TexturePtr texture( new Texture( type, format, ImageDimensions( width, height) ) );
35 texture->Initialize();
39 TexturePtr Texture::New( NativeImageInterface& nativeImageInterface )
41 TexturePtr texture( new Texture( &nativeImageInterface ) );
42 texture->Initialize();
46 Render::Texture* Texture::GetRenderObject() const
51 Texture::Texture(TextureType::Type type, Pixel::Format format, ImageDimensions size )
52 : mEventThreadServices( *Stage::GetCurrent() ),
53 mRenderObject( NULL ),
61 Texture::Texture( NativeImageInterfacePtr nativeImageInterface )
62 : mEventThreadServices( *Stage::GetCurrent() ),
63 mRenderObject( NULL ),
64 mNativeImage( nativeImageInterface ),
65 mSize( nativeImageInterface->GetWidth(), nativeImageInterface->GetHeight() ),
66 mType( TextureType::TEXTURE_2D ),
67 mFormat( Pixel::RGB888 )
71 void Texture::Initialize()
73 if( EventThreadServices::IsCoreRunning() )
77 mRenderObject = new Render::Texture( mNativeImage );
81 mRenderObject = new Render::Texture( mType, mFormat, mSize );
84 OwnerPointer< Render::Texture > transferOwnership( mRenderObject );
85 AddTexture( mEventThreadServices.GetUpdateManager(), transferOwnership );
91 if( EventThreadServices::IsCoreRunning() && mRenderObject )
93 RemoveTexture( mEventThreadServices.GetUpdateManager(), *mRenderObject );
97 bool Texture::Upload( PixelDataPtr pixelData )
99 return Upload( pixelData, 0u, 0u, 0u, 0u, pixelData->GetWidth(), pixelData->GetHeight() );
102 bool Texture::Upload( PixelDataPtr pixelData,
103 unsigned int layer, unsigned int mipmap,
104 unsigned int xOffset, unsigned int yOffset,
105 unsigned int width, unsigned int height )
107 constexpr auto max_value = std::numeric_limits< uint16_t >::max();
108 DALI_ASSERT_ALWAYS( layer < max_value &&
109 mipmap < max_value &&
110 xOffset < max_value &&
111 yOffset < max_value &&
113 height < max_value &&
114 "Parameter value out of range" );
117 if( EventThreadServices::IsCoreRunning() && mRenderObject )
121 DALI_LOG_ERROR( "OpenGL ES does not support uploading data to native texture\n");
125 unsigned int pixelDataSize = pixelData->GetWidth()*pixelData->GetHeight();
126 if( pixelData->GetBuffer() == NULL || pixelDataSize == 0 )
128 DALI_LOG_ERROR( "PixelData is empty\n");
132 Pixel::Format pixelDataFormat = pixelData->GetPixelFormat();
133 if( ( pixelDataFormat == mFormat ) || ( (pixelDataFormat == Pixel::RGB888 ) && ( mFormat == Pixel::RGBA8888 ) ) )
135 if( pixelDataSize < width * height )
137 DALI_LOG_ERROR( "PixelData of an incorrect size when trying to update texture\n");
139 else if( ( xOffset + width > ( mSize.GetWidth() / (1u << mipmap) ) ) ||
140 ( yOffset + height > ( mSize.GetHeight() / (1u << mipmap) ) ) )
142 DALI_LOG_ERROR( "Texture update area out of bounds\n");
146 //Parameters are correct. Send message to upload data to the texture
147 UploadParams params = { static_cast< uint16_t >( layer ),
148 static_cast< uint16_t >( mipmap ),
149 static_cast< uint16_t >( xOffset ),
150 static_cast< uint16_t >( yOffset ),
151 static_cast< uint16_t >( width ),
152 static_cast< uint16_t >( height ) };
153 UploadTextureMessage( mEventThreadServices.GetUpdateManager(), *mRenderObject, pixelData, params );
159 DALI_LOG_ERROR( "Bad format\n");
168 void Texture::GenerateMipmaps()
170 if( EventThreadServices::IsCoreRunning() && mRenderObject )
172 GenerateMipmapsMessage(mEventThreadServices.GetUpdateManager(), *mRenderObject );
176 unsigned int Texture::GetWidth() const
178 return mSize.GetWidth();
181 unsigned int Texture::GetHeight() const
183 return mSize.GetHeight();
186 } // namespace Internal