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/imaging/windows/native-image-source-impl-win.h>
22 #include <dali/integration-api/debug.h>
25 #include <dali/internal/graphics/common/egl-image-extensions.h>
26 #include <dali/internal/graphics/gles/egl-graphics.h>
27 #include <dali/internal/adaptor/common/adaptor-impl.h>
28 #include <dali/internal/window-system/windows/platform-implement-win.h>
29 #include <dali/integration-api/adaptor-framework/render-surface-interface.h>
39 using Dali::Integration::PixelBuffer;
41 NativeImageSourceWin* NativeImageSourceWin::New(unsigned int width, unsigned int height, Dali::NativeImageSource::ColorDepth depth, Any nativeImageSource )
43 NativeImageSourceWin* image = new NativeImageSourceWin( width, height, depth, nativeImageSource );
44 DALI_ASSERT_DEBUG( image && "NativeImageSource allocation failed." );
46 // 2nd phase construction
47 if(image) //< Defensive in case we ever compile without exceptions.
55 NativeImageSourceWin::NativeImageSourceWin( unsigned int width, unsigned int height, Dali::NativeImageSource::ColorDepth depth, Any nativeImageSource )
60 mBlendingRequired( false ),
63 mEglImageExtensions( NULL ),
64 mResourceDestructionCallback()
66 DALI_ASSERT_ALWAYS( Adaptor::IsAvailable() );
68 GraphicsInterface* graphics = &( Adaptor::GetImplementation( Adaptor::Get() ).GetGraphicsInterface() );
69 auto eglGraphics = static_cast<EglGraphics *>(graphics);
71 mEglImageExtensions = eglGraphics->GetImageExtensions();
73 DALI_ASSERT_DEBUG( mEglImageExtensions );
76 mPixmap = GetPixmapFromAny(nativeImageSource);
79 void NativeImageSourceWin::Initialize()
81 // if pixmap has been created outside of Windows Image we can return
84 // we don't own the pixmap
87 // find out the pixmap width / height and color depth
92 // get the pixel depth
93 int depth = GetPixelDepth(mColorDepth);
95 // set whether blending is required according to pixel format based on the depth
96 /* default pixel format is RGB888
97 If depth = 8, Pixel::A8;
98 If depth = 16, Pixel::RGB565;
99 If depth = 32, Pixel::RGBA8888 */
100 mBlendingRequired = ( depth == 32 || depth == 8 );
103 NativeImageSourceWin::~NativeImageSourceWin()
107 Any NativeImageSourceWin::GetNativeImageSource() const
112 bool NativeImageSourceWin::GetPixels(std::vector<uint8_t>& pixbuf, unsigned& width, unsigned& height, Pixel::Format& pixelFormat) const
114 DALI_ASSERT_DEBUG(sizeof(unsigned) == 4);
115 bool success = false;
122 void NativeImageSourceWin::SetSource( Any source )
124 mPixmap = GetPixmapFromAny( source );
128 // we don't own the pixmap
131 // find out the pixmap width / height and color depth
136 bool NativeImageSourceWin::IsColorDepthSupported( Dali::NativeImageSource::ColorDepth colorDepth )
141 bool NativeImageSourceWin::CreateResource()
143 // if the image existed previously delete it.
144 if (mEglImageKHR != NULL)
149 // casting from an unsigned int to a void *, which should then be cast back
150 // to an unsigned int in the driver.
151 EGLClientBuffer eglBuffer = reinterpret_cast< EGLClientBuffer > (mPixmap);
153 mEglImageKHR = mEglImageExtensions->CreateImageKHR( eglBuffer );
155 return mEglImageKHR != NULL;
158 void NativeImageSourceWin::DestroyResource()
160 mEglImageExtensions->DestroyImageKHR(mEglImageKHR);
165 unsigned int NativeImageSourceWin::TargetTexture()
167 mEglImageExtensions->TargetTextureKHR(mEglImageKHR);
172 void NativeImageSourceWin::PrepareTexture()
176 int NativeImageSourceWin::GetPixelDepth(Dali::NativeImageSource::ColorDepth depth) const
180 case Dali::NativeImageSource::COLOR_DEPTH_DEFAULT:
184 case Dali::NativeImageSource::COLOR_DEPTH_8:
188 case Dali::NativeImageSource::COLOR_DEPTH_16:
192 case Dali::NativeImageSource::COLOR_DEPTH_24:
196 case Dali::NativeImageSource::COLOR_DEPTH_32:
202 DALI_ASSERT_DEBUG(0 && "unknown color enum");
208 unsigned int NativeImageSourceWin::GetPixmapFromAny(Any pixmap) const
215 // see if it is of type Windows pixmap
216 if (pixmap.GetType() == typeid ( unsigned int ))
218 // get the Windows pixmap type
219 unsigned int xpixmap = AnyCast<unsigned int>(pixmap);
221 // cast it to a Windows pixmap type
222 return static_cast<unsigned int>(xpixmap);
226 return AnyCast<unsigned int>(pixmap);
230 void NativeImageSourceWin::GetPixmapDetails()
234 const char* NativeImageSourceWin::GetCustomFragmentPrefix() const
239 const char* NativeImageSourceWin::GetCustomSamplerTypename() const
244 int NativeImageSourceWin::GetTextureTarget() const
246 return GL_TEXTURE_2D;
249 Any NativeImageSourceWin::GetNativeImageHandle() const
254 bool NativeImageSourceWin::SourceChanged() const
259 uint8_t* NativeImageSourceWin::AcquireBuffer( uint16_t& width, uint16_t& height, uint16_t& stride )
265 bool NativeImageSourceWin::ReleaseBuffer()
270 void NativeImageSourceWin::SetResourceDestructionCallback(EventThreadCallback* callback)
272 mResourceDestructionCallback = std::unique_ptr<EventThreadCallback>(callback);
275 } // namespace Adaptor
277 } // namespace internal