X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Finternal%2Fgraphics%2Fgles%2Fegl-implementation.cpp;h=2172e3799bade4295ed25652adf3a10c845574a8;hb=a2db4045f5ca2918bf4af60a5156c5d977c2faf7;hp=6001bc657e20db10b7c0d8a970e6dcc3edbdf854;hpb=241d44e77f6ee6739d00463ed5db71a27b560f26;p=platform%2Fcore%2Fuifw%2Fdali-adaptor.git

diff --git a/dali/internal/graphics/gles/egl-implementation.cpp b/dali/internal/graphics/gles/egl-implementation.cpp
index 6001bc6..2172e37 100755
--- a/dali/internal/graphics/gles/egl-implementation.cpp
+++ b/dali/internal/graphics/gles/egl-implementation.cpp
@@ -326,6 +326,8 @@ bool EglImplementation::ChooseConfig( bool isWindowType, ColorDepth depth )
     return true;
   }
 
+  bool isTransparent = ( depth == COLOR_DEPTH_32 );
+
   mColorDepth = depth;
   mIsWindow = isWindowType;
 
@@ -370,10 +372,18 @@ bool EglImplementation::ChooseConfig( bool isWindowType, ColorDepth depth )
   configAttribs.PushBack( EGL_BLUE_SIZE );
   configAttribs.PushBack( 8 );
 
-  // In the previous code, there was a branch for ARM.
-  // If there is an issue in only ARM, we need to check here again.
-  configAttribs.PushBack( EGL_ALPHA_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_
+  }
 
   configAttribs.PushBack( EGL_DEPTH_SIZE );
   configAttribs.PushBack( mDepthBufferRequired ? 24 : 0 );
@@ -390,6 +400,9 @@ bool EglImplementation::ChooseConfig( bool isWindowType, ColorDepth depth )
   }
 #endif // DALI_PROFILE_UBUNTU
   configAttribs.PushBack( EGL_NONE );
+
+  // Ensure number of configs is set to 1 as on some drivers,
+  // eglChooseConfig succeeds but does not actually create a proper configuration.
   if ( ( eglChooseConfig( mEglDisplay, &(configAttribs[0]), &mEglConfig, 1, &numConfigs ) != EGL_TRUE ) ||
        ( numConfigs != 1 ) )
   {