--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostegl/src/EGLSurface.cpp	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,224 @@
+/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and /or associated documentation files
+ * (the "Materials "), to deal in the Materials without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Materials,
+ * and to permit persons to whom the Materials are furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+ * THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ */
+
+#include "EGLSurface.h"
+#include "SurfaceDescriptor.h"
+#include "EGLConfig.h"
+#include "EGLContext.h"
+#include "EGLOs.h"
+
+#include <string.h>
+// Required for free. \todo Shouldn't this use C++ new[]/delete[] instead?
+#include <stdlib.h>
+
+CEGLSurface::CEGLSurface( CEGLSurface::SurfaceType type, EGLint colorSpace, EGLint alphaFormat, EGLint renderBuffer, CEGLConfig* config ) :
+    m_type( type ),
+    m_colorSpace( colorSpace ),
+    m_alphaFormat( alphaFormat ),
+    m_renderBuffer( renderBuffer ),
+    m_config( config ),
+    m_boundContext( NULL ),
+    m_thread( NULL ),
+    m_mipmapLevel( 0 ),
+    m_multisampleResolve( EGL_MULTISAMPLE_RESOLVE_DEFAULT ),
+    m_swapBehavior( /*EGL_BUFFER_DESTROYED*/EGL_BUFFER_PRESERVED ),
+    m_vgDirty(false),
+    m_gles1Dirty(false),
+    m_gles2Dirty(false),
+    m_isLocked(false)
+    {
+    EGLI_ASSERT( m_config != NULL );
+	memset( &m_textureBinding, 0, sizeof(struct EGLITextureBinding) );
+    memset( &m_vgBuffers, 0, sizeof(struct BufferContainer) );
+    memset( &m_glesBuffers, 0, sizeof(struct BufferContainer) );
+    CEGLOs::InitializeLock( &m_lock );
+    }
+
+CEGLSurface::~CEGLSurface(void)
+    {
+    if( m_glesBuffers.m_colorBuffer )
+        free (m_glesBuffers.m_colorBuffer );
+    CEGLOs::DestroyLock( &m_lock );
+    }
+
+void CEGLSurface::BindToContext( CEGLContext* context ) 
+    { 
+    m_boundContext = context;
+    }
+
+bool CEGLSurface::Resize( EGLint width, EGLint height )
+    {
+    if( width == m_width && height == m_height && m_glesBuffers.m_colorBuffer )
+        {
+        // Size didn't change and we have gles color buffer already
+        return true;
+        }
+        
+    if( width != m_width )
+        {
+        SetStride( (width * m_config->GetDescriptor()->Bpp() + 7)/8 );
+        }
+    m_width = width;
+    m_height = height;
+    if( m_glesBuffers.m_colorBuffer )
+        free( m_glesBuffers.m_colorBuffer );
+    m_glesBuffers.m_colorBuffer = malloc( height * m_stride );
+    if( !(m_glesBuffers.m_colorBuffer) ) return false;
+    return true;
+    }
+
+SurfaceDescriptor* CEGLSurface::Descriptor()
+    {
+    CColorDescriptor* colorDesc = m_config->GetDescriptor();
+    EGLI_ASSERT( colorDesc != NULL );
+    m_surfaceDescriptor.m_width = Width();
+    m_surfaceDescriptor.m_height = Height();
+    m_surfaceDescriptor.m_stride = Stride();
+    m_surfaceDescriptor.m_colorDescriptor = *colorDesc;
+    m_surfaceDescriptor.m_colorDescriptor.SetSurfaceType(m_colorSpace, m_alphaFormat);
+
+    EGLint alphaSize = colorDesc->AlphaSize();
+    EGLint blueSize = colorDesc->BlueSize();
+    EGLint greenSize = colorDesc->GreenSize();
+    EGLint redSize = colorDesc->RedSize();
+    EGLint luminanceSize = colorDesc->LuminanceSize();
+
+    if( colorDesc->isLuminance() )
+        {
+        // \todo LA AL?
+        m_surfaceDescriptor.m_redShift = 0;
+        m_surfaceDescriptor.m_greenShift = 0;
+        m_surfaceDescriptor.m_blueShift = 0;
+        m_surfaceDescriptor.m_alphaShift = 0;
+        m_surfaceDescriptor.m_luminanceShift = alphaSize;
+        }
+    else
+        {
+        m_surfaceDescriptor.m_luminanceShift = 0;
+        /*  Found these from CPlatsimEGL::egliGetSymbianPixelFormat()
+            in platsim_graphics/platsimegl/src/platsimegl.cpp. Pixel format
+            should be transfered through serialization.
+
+            EUidPixelFormatARGB_8888
+            EUidPixelFormatARGB_8888_PRE
+            EUidPixelFormatXRGB_8888
+
+            EUidPixelFormatARGB_4444
+            EUidPixelFormatXRGB_4444
+
+            EUidPixelFormatRGB_565
+            EUidPixelFormatARGB_1555
+            
+            -- 
+            Harri
+        */
+        // \todo We need pixel format through serialization.
+#if defined(EGLI_USE_PLATSIM_EXTENSIONS)
+        m_surfaceDescriptor.m_blueShift = 0;
+        m_surfaceDescriptor.m_greenShift = blueSize;
+        m_surfaceDescriptor.m_redShift = blueSize + greenSize;
+        m_surfaceDescriptor.m_alphaShift = blueSize + greenSize + redSize;
+#else
+        // \note TeroP, changing these to match OpenVG color formats. This should make blitting
+        // to _win32_ window fast, but a solution for Symbian vs. Win32 native build should be
+        // defined.
+        // That is: This has to match the EGLtoVGInterface::CopyBuffers VGImageFormat somehow.
+        // Currently: VG_sARGB_8888_PRE;
+
+        m_surfaceDescriptor.m_blueShift = 0;
+        m_surfaceDescriptor.m_greenShift = blueSize;
+        m_surfaceDescriptor.m_redShift = blueSize + greenSize;
+        m_surfaceDescriptor.m_alphaShift = redSize + greenSize + blueSize;
+#endif //EGLI_USE_PLATSIM_EXTENSIONS
+        }
+    
+    m_surfaceDescriptor.m_maskSize = m_surfaceDescriptor.m_colorDescriptor.AlphaMaskSize();
+    m_surfaceDescriptor.m_stencilSize = m_config->GetAttribute( EGL_STENCIL_SIZE );
+    m_surfaceDescriptor.m_depthSize = m_config->GetAttribute( EGL_DEPTH_SIZE );
+    return &m_surfaceDescriptor;
+    }
+
+void CEGLSurface::SetAttribute( EGLint attrib, EGLint value )
+    {
+    switch( attrib )
+        {
+        case EGL_MIPMAP_LEVEL:
+            {
+            m_mipmapLevel = value;
+            break;
+            }
+        case EGL_MULTISAMPLE_RESOLVE:
+            {
+            m_multisampleResolve = value;
+            break;
+            }
+        case EGL_SWAP_BEHAVIOR:
+            {
+            m_swapBehavior = value;
+            break;
+            }
+        }
+    }
+
+EGLint CEGLSurface::Attribute( EGLint attrib ) const
+    {
+    EGLint ret = EGL_BAD_ATTRIBUTE;
+    switch( attrib )
+        {
+        case EGL_MIPMAP_LEVEL:
+            {
+            ret = m_mipmapLevel;
+            break;
+            }
+        case EGL_MULTISAMPLE_RESOLVE:
+            {
+            ret = m_multisampleResolve;
+            break;
+            }
+        case EGL_SWAP_BEHAVIOR:
+            {
+            ret = m_swapBehavior;
+            break;
+            }
+        }
+    return ret;
+    }
+
+void CEGLSurface::Lock()
+    {
+    CEGLOs::GetLock( &m_lock );
+    m_isLocked = true;
+    }
+void CEGLSurface::Unlock()
+    {
+    CEGLOs::ReleaseLock( &m_lock );
+    m_isLocked = false;
+    }
+