/*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
namespace
{
+ const uint32_t THRESHOLD_SWAPBUFFER_COUNT = 5;
+ const uint32_t CHECK_EXTENSION_NUMBER = 2;
const std::string EGL_KHR_SURFACELESS_CONTEXT = "EGL_KHR_surfaceless_context";
+ const std::string EGL_KHR_CREATE_CONTEXT = "EGL_KHR_create_context";
}
namespace Dali
EglImplementation::EglImplementation( int multiSamplingLevel,
Integration::DepthBufferAvailable depthBufferRequired,
- Integration::StencilBufferAvailable stencilBufferRequired )
+ Integration::StencilBufferAvailable stencilBufferRequired ,
+ Integration::PartialUpdateAvailable partialUpdateRequired )
: mContextAttribs(),
mEglNativeDisplay( 0 ),
mEglNativeWindow( 0 ),
mIsWindow( true ),
mDepthBufferRequired( depthBufferRequired == Integration::DepthBufferAvailable::TRUE ),
mStencilBufferRequired( stencilBufferRequired == Integration::StencilBufferAvailable::TRUE ),
- mIsSurfacelessContextSupported( false )
+ mPartialUpdateRequired( partialUpdateRequired == Integration::PartialUpdateAvailable::TRUE ),
+ mIsSurfacelessContextSupported( false ),
+ mIsKhrCreateContextSupported( false ),
+ mSwapBufferCountAfterResume( 0 ),
+ mEglSetDamageRegionKHR( 0 ),
+ mEglSwapBuffersWithDamageKHR( 0 ),
+ mFullSwapNextFrame( true )
{
}
{
mEglNativeDisplay = display;
- //@todo see if we can just EGL_DEFAULT_DISPLAY instead
- mEglDisplay = eglGetDisplay(mEglNativeDisplay);
- EGLint error = eglGetError();
+ // Try to get the display connection for the native display first
+ mEglDisplay = eglGetDisplay( mEglNativeDisplay );
- if( mEglDisplay == NULL && error != EGL_SUCCESS )
+ if( mEglDisplay == EGL_NO_DISPLAY )
{
+ // If failed, try to get the default display connection
+ mEglDisplay = eglGetDisplay( EGL_DEFAULT_DISPLAY );
+ }
+
+ if( mEglDisplay == EGL_NO_DISPLAY )
+ {
+ // Still failed to get a display connection
throw Dali::DaliException( "", "OpenGL ES is not supported");
}
}
eglBindAPI(EGL_OPENGL_ES_API);
- mGlesInitialized = true;
mIsOwnSurface = isOwnSurface;
}
// Query EGL extensions to check whether surfaceless context is supported
const char* const extensionStr = eglQueryString( mEglDisplay, EGL_EXTENSIONS );
- std::istringstream stream(extensionStr);
+ std::istringstream stream( extensionStr );
std::string currentExtension;
- while ( std::getline( stream, currentExtension, ' ' ) )
+ uint32_t extensionCheckCount = 0;
+ while( std::getline( stream, currentExtension, ' ' ) && extensionCheckCount < CHECK_EXTENSION_NUMBER )
{
- if ( currentExtension == EGL_KHR_SURFACELESS_CONTEXT )
+ if( currentExtension == EGL_KHR_SURFACELESS_CONTEXT )
{
mIsSurfacelessContextSupported = true;
- break;
+ extensionCheckCount++;
+ }
+ if( currentExtension == EGL_KHR_CREATE_CONTEXT )
+ {
+ mIsKhrCreateContextSupported = true;
+ extensionCheckCount++;
}
}
+ mGlesInitialized = true;
+
// We want to display this information all the time, so use the LogMessage directly
Integration::Log::LogMessage(Integration::Log::DebugInfo, "EGL Information\n"
+ " PartialUpdate %d\n"
" Vendor: %s\n"
" Version: %s\n"
" Client APIs: %s\n"
" Extensions: %s\n",
+ mPartialUpdateRequired,
eglQueryString( mEglDisplay, EGL_VENDOR ),
eglQueryString( mEglDisplay, EGL_VERSION ),
eglQueryString( mEglDisplay, EGL_CLIENT_APIS ),
DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_SHADING_LANGUAGE_VERSION : %s***\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** Supported Extensions ***\n%s\n\n", glGetString(GL_EXTENSIONS));
+ mEglSetDamageRegionKHR = reinterpret_cast<PFNEGLSETDAMAGEREGIONKHRPROC>(eglGetProcAddress("eglSetDamageRegionKHR"));
+ if (!mEglSetDamageRegionKHR)
+ {
+ DALI_LOG_ERROR("Coudn't find eglSetDamageRegionKHR!\n");
+ mPartialUpdateRequired = false;
+ }
+ mEglSwapBuffersWithDamageKHR = reinterpret_cast<PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC>(eglGetProcAddress("eglSwapBuffersWithDamageKHR"));
+ if (!mEglSwapBuffersWithDamageKHR)
+ {
+ DALI_LOG_ERROR("Coudn't find eglSwapBuffersWithDamageKHR!\n");
+ mPartialUpdateRequired = false;
+ }
return true;
}
mEglWindowContexts.push_back( eglContext );
+ mEglSetDamageRegionKHR = reinterpret_cast<PFNEGLSETDAMAGEREGIONKHRPROC>(eglGetProcAddress("eglSetDamageRegionKHR"));
+ if (!mEglSetDamageRegionKHR)
+ {
+ DALI_LOG_ERROR("Coudn't find eglSetDamageRegionKHR!\n");
+ mPartialUpdateRequired = false;
+ }
+ mEglSwapBuffersWithDamageKHR = reinterpret_cast<PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC>(eglGetProcAddress("eglSwapBuffersWithDamageKHR"));
+ if (!mEglSwapBuffersWithDamageKHR)
+ {
+ DALI_LOG_ERROR("Coudn't find eglSwapBuffersWithDamageKHR!\n");
+ mPartialUpdateRequired = false;
+ }
return true;
}
void EglImplementation::DestroyContext( EGLContext& eglContext )
{
- DALI_ASSERT_ALWAYS( mEglContext && "no EGL context" );
-
- eglDestroyContext( mEglDisplay, eglContext );
- eglContext = 0;
+ if( eglContext )
+ {
+ eglDestroyContext( mEglDisplay, eglContext );
+ eglContext = 0;
+ }
}
void EglImplementation::DestroySurface( EGLSurface& eglSurface )
if(mIsOwnSurface)
{
- glFinish();
-
eglMakeCurrent( mEglDisplay, eglSurface, eglSurface, eglContext );
mCurrentEglContext = eglContext;
if(mIsOwnSurface)
{
- glFinish();
-
eglMakeCurrent( mEglDisplay, eglSurface, eglSurface, mEglContext );
mCurrentEglContext = mEglContext;
{
if ( eglSurface != EGL_NO_SURFACE ) // skip if using surfaceless context
{
+#ifndef DALI_PROFILE_UBUNTU
+ if( mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT )
+ {
+ DALI_LOG_RELEASE_INFO( "EglImplementation::SwapBuffers started.\n" );
+ }
+#endif //DALI_PROFILE_UBUNTU
+
+ // DALI_LOG_ERROR("EglImplementation::SwapBuffers()\n");
eglSwapBuffers( mEglDisplay, eglSurface );
+ mFullSwapNextFrame = false;
+
+#ifndef DALI_PROFILE_UBUNTU
+ if( mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT )
+ {
+ DALI_LOG_RELEASE_INFO( "EglImplementation::SwapBuffers finished.\n" );
+ mSwapBufferCountAfterResume++;
+ }
+#endif //DALI_PROFILE_UBUNTU
+ }
+}
+
+EGLint EglImplementation::GetBufferAge(EGLSurface& eglSurface) const
+{
+ EGLint age = 0;
+ eglQuerySurface(mEglDisplay, eglSurface, EGL_BUFFER_AGE_EXT, &age);
+ if (age < 0)
+ {
+ DALI_LOG_ERROR("eglQuerySurface(%d)\n", eglGetError());
+ age = 0;
+ }
+
+ // 0 - invalid buffer
+ // 1, 2, 3
+ if (age > 3)
+ {
+ DALI_LOG_ERROR("EglImplementation::GetBufferAge() buffer age %d > 3\n", age);
+ age = 0; // shoudn't be more than 3 back buffers, if there is just reset, I don't want to add extra history level
+ }
+
+ return age;
+}
+
+void EglImplementation::SetFullSwapNextFrame()
+{
+ mFullSwapNextFrame = true;
+}
+
+void mergeRects(Rect<int>& mergingRect, const std::vector<Rect<int>>& rects)
+{
+ uint32_t i = 0;
+ if (mergingRect.IsEmpty())
+ {
+ for (;i < rects.size(); i++)
+ {
+ if (!rects[i].IsEmpty())
+ {
+ mergingRect = rects[i];
+ break;
+ }
+ }
+ }
+
+ for (;i < rects.size(); i++)
+ {
+ mergingRect.Merge(rects[i]);
+ }
+}
+
+void insertRects(std::list<std::vector<Rect<int>>>& damagedRectsList, const std::vector<Rect<int>>& damagedRects)
+{
+ damagedRectsList.push_front(damagedRects);
+ if (damagedRectsList.size() > 4) // past triple buffers + current
+ {
+ damagedRectsList.pop_back();
+ }
+}
+
+void EglImplementation::SetDamage( EGLSurface& eglSurface, const std::vector<Rect<int>>& damagedRects, Rect<int>& clippingRect )
+{
+ if (!mPartialUpdateRequired)
+ {
+ return;
+ }
+
+ if (eglSurface != EGL_NO_SURFACE) // skip if using surfaceless context
+ {
+ EGLint width = 0;
+ EGLint height = 0;
+ eglQuerySurface(mEglDisplay, eglSurface, EGL_WIDTH, &width);
+ eglQuerySurface(mEglDisplay, eglSurface, EGL_HEIGHT, &height);
+ Rect<int> surfaceRect(0, 0, width, height);
+
+ mSurfaceRect = surfaceRect;
+
+ if (mFullSwapNextFrame)
+ {
+ insertRects(mBufferDamagedRects, std::vector<Rect<int>>(1, surfaceRect));
+ clippingRect = Rect<int>();
+ return;
+ }
+
+ EGLint bufferAge = GetBufferAge(eglSurface);
+
+ // Buffer age 0 means the back buffer in invalid and requires full swap
+ if (!damagedRects.size() || bufferAge == 0)
+ {
+ // No damage or buffer is out of order or buffer age is reset
+ insertRects(mBufferDamagedRects, std::vector<Rect<int>>(1, surfaceRect));
+ clippingRect = Rect<int>();
+ return;
+ }
+
+ // We push current frame damaged rects here, zero index for current frame
+ insertRects(mBufferDamagedRects, damagedRects);
+
+ // Merge damaged rects into clipping rect
+ auto bufferDamagedRects = mBufferDamagedRects.begin();
+ while (bufferAge-- >= 0 && bufferDamagedRects != mBufferDamagedRects.end())
+ {
+ const std::vector<Rect<int>>& rects = *bufferDamagedRects++;
+ mergeRects(clippingRect, rects);
+ }
+
+ if (!clippingRect.Intersect(surfaceRect) || clippingRect.Area() > surfaceRect.Area() * 0.8)
+ {
+ // clipping area too big or doesn't intersect surface rect
+ clippingRect = Rect<int>();
+ return;
+ }
+
+ // DALI_LOG_ERROR("eglSetDamageRegionKHR(%d, %d, %d, %d)\n", clippingRect.x, clippingRect.y, clippingRect.width, clippingRect.height);
+ EGLBoolean result = mEglSetDamageRegionKHR(mEglDisplay, eglSurface, reinterpret_cast<int*>(&clippingRect), 1);
+ if (result == EGL_FALSE)
+ {
+ DALI_LOG_ERROR("eglSetDamageRegionKHR(%d)\n", eglGetError());
+ }
+ }
+}
+
+void EglImplementation::SwapBuffers(EGLSurface& eglSurface, const std::vector<Rect<int>>& damagedRects)
+{
+ if (eglSurface != EGL_NO_SURFACE ) // skip if using surfaceless context
+ {
+ if (!mPartialUpdateRequired || mFullSwapNextFrame || !damagedRects.size() || (damagedRects[0].Area() > mSurfaceRect.Area() * 0.8) )
+ {
+ SwapBuffers(eglSurface);
+ return;
+ }
+
+#ifndef DALI_PROFILE_UBUNTU
+ if( mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT )
+ {
+ DALI_LOG_RELEASE_INFO( "EglImplementation::SwapBuffers started.\n" );
+ }
+#endif //DALI_PROFILE_UBUNTU
+
+ std::vector< Rect< int > > mergedRects = damagedRects;
+
+ // Merge intersecting rects, form an array of non intersecting rects to help driver a bit
+ // Could be optional and can be removed, needs to be checked with and without on platform
+ const int n = mergedRects.size();
+ for(int i = 0; i < n-1; i++)
+ {
+ if (mergedRects[i].IsEmpty())
+ {
+ continue;
+ }
+
+ for (int j = i+1; j < n; j++)
+ {
+ if (mergedRects[j].IsEmpty())
+ {
+ continue;
+ }
+
+ if (mergedRects[i].Intersects(mergedRects[j]))
+ {
+ mergedRects[i].Merge(mergedRects[j]);
+ mergedRects[j].width = 0;
+ mergedRects[j].height = 0;
+ }
+ }
+ }
+
+ int j = 0;
+ for (int i = 0; i < n; i++)
+ {
+ if (!mergedRects[i].IsEmpty())
+ {
+ mergedRects[j++] = mergedRects[i];
+ }
+ }
+
+ if (j != 0)
+ {
+ mergedRects.resize(j);
+ }
+
+ if (!mergedRects.size() || (mergedRects[0].Area() > mSurfaceRect.Area() * 0.8))
+ {
+ SwapBuffers(eglSurface);
+ return;
+ }
+
+ EGLBoolean result = mEglSwapBuffersWithDamageKHR(mEglDisplay, eglSurface, reinterpret_cast<int*>(mergedRects.data()), mergedRects.size());
+ if (result == EGL_FALSE)
+ {
+ DALI_LOG_ERROR("eglSwapBuffersWithDamageKHR(%d)\n", eglGetError());
+ }
+
+#ifndef DALI_PROFILE_UBUNTU
+ if( mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT )
+ {
+ DALI_LOG_RELEASE_INFO( "EglImplementation::SwapBuffers finished.\n" );
+ mSwapBufferCountAfterResume++;
+ }
+#endif //DALI_PROFILE_UBUNTU
}
}
return true;
}
- bool isTransparent = ( depth == COLOR_DEPTH_32 );
-
mColorDepth = depth;
mIsWindow = isWindowType;
if( mGlesVersion >= 30 )
{
-#ifdef _ARCH_ARM_
configAttribs.PushBack( EGL_OPENGL_ES3_BIT_KHR );
-#else
- configAttribs.PushBack( EGL_OPENGL_ES2_BIT );
-#endif // _ARCH_ARM_
}
else
{
configAttribs.PushBack( EGL_BLUE_SIZE );
configAttribs.PushBack( 8 );
- if ( isTransparent )
- {
- configAttribs.PushBack( EGL_ALPHA_SIZE );
-#ifdef _ARCH_ARM_
- // For underlay video playback, we also need to set the alpha value of the 24/32bit window.
- configAttribs.PushBack( 8 );
-#else
- // There is a bug in the desktop emulator
- // setting EGL_ALPHA_SIZE to 8 results in eglChooseConfig failing
- configAttribs.PushBack( 8 );
-#endif // _ARCH_ARM_
- }
+// For underlay video playback, we also need to set the alpha value of the 24/32bit window.
+ configAttribs.PushBack( EGL_ALPHA_SIZE );
+ configAttribs.PushBack( 8 );
configAttribs.PushBack( EGL_DEPTH_SIZE );
configAttribs.PushBack( mDepthBufferRequired ? 24 : 0 );
if( mGlesVersion >= 30 )
{
mEglConfig = NULL;
- DALI_LOG_ERROR("Fail to use OpenGL es 3.0. Retring to use OpenGL es 2.0.");
+ DALI_LOG_ERROR("Fail to use OpenGL es 3.0. Retrying to use OpenGL es 2.0.");
return false;
}
Integration::Log::LogMessage(Integration::Log::DebugInfo, "Using OpenGL es %d.%d.\n", mGlesVersion / 10, mGlesVersion % 10 );
mContextAttribs.Clear();
- if( mGlesVersion >= 30 )
+ if( mIsKhrCreateContextSupported )
{
mContextAttribs.Reserve(5);
mContextAttribs.PushBack( EGL_CONTEXT_MAJOR_VERSION_KHR );
{
mContextAttribs.Reserve(3);
mContextAttribs.PushBack( EGL_CONTEXT_CLIENT_VERSION );
- mContextAttribs.PushBack( 2 );
+ mContextAttribs.PushBack( mGlesVersion / 10 );
}
mContextAttribs.PushBack( EGL_NONE );
// the surface is bound to the context, so set the context to null
MakeContextNull();
- // destroy the surface
- DestroySurface( eglSurface );
+ if( eglSurface )
+ {
+ // destroy the surface
+ DestroySurface( eglSurface );
+ }
// create the EGL surface
EGLSurface newEglSurface = CreateSurfaceWindow( window, mColorDepth );
mGlesVersion = glesVersion;
}
+void EglImplementation::SetFirstFrameAfterResume()
+{
+ mSwapBufferCountAfterResume = 0;
+}
+
EGLDisplay EglImplementation::GetDisplay() const
{
return mEglDisplay;
return mIsSurfacelessContextSupported;
}
+void EglImplementation::WaitClient()
+{
+ // Wait for EGL to finish executing all rendering calls for the current context
+ if ( eglWaitClient() != EGL_TRUE )
+ {
+ TEST_EGL_ERROR("eglWaitClient");
+ }
+}
+
} // namespace Adaptor
} // namespace Internal