hostsupport/hostopenvg/src/src/sfEGLInterface.cpp
branchbug235_bringup_0
changeset 54 067180f57b12
parent 53 c2ef9095503a
child 55 09263774e342
--- a/hostsupport/hostopenvg/src/src/sfEGLInterface.cpp	Wed Oct 06 17:59:01 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,470 +0,0 @@
-/* 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.
- */
-
-#include "SurfaceDescriptor.h"
-#include "BufferContainer.h"
-
-#include "sfEGLInterface.h"
-#include "riContext.h"
-#include "riPath.h"
-#include "vgext.h"
-#include "riImage.h"
-
-namespace 
-    {
-    EGLtoVGInterface g_EGLtoVGInterface;
-    }
-
-IEGLtoVGInterface* getVGInterface(void)
-{    
-    return &g_EGLtoVGInterface;
-}
-
-EGLtoVGInterface::EGLtoVGInterface() :
-    m_egl(NULL)
-{
-    m_contexts.reserve(4);
-}
-
-EGLtoVGInterface::~EGLtoVGInterface()
-{
-    for(int i = 0; i < m_contexts.size(); i++)
-    {
-        RI_ASSERT(m_contexts[i]);
-        RI_DELETE(m_contexts[i]);
-    }
-}
-
-void EGLtoVGInterface::SetEGLInterface( IVGtoEGLInterface* egl )
-{
-    RI_ASSERT(!m_egl);
-    m_egl = egl;
-}
-
-int EGLtoVGInterface::findContext(OpenVGRI::VGContext* contextPtr)
-{
-    return m_contexts.findIndex(contextPtr);
-}
-
-bool EGLtoVGInterface::isValidImage(void* image)
-    {
-    bool ret = false;
-    for(int i = 0; i < m_contexts.size() && !ret; i++)
-        {
-        ret = m_contexts[i]->isValidImage((VGImage)image);
-        }
-    return ret;
-    }
-
-void* EGLtoVGInterface::CreateContext( void* shareContext )
-{
-    if (shareContext)
-    {
-        if (findContext((OpenVGRI::VGContext*)shareContext) < 0)
-            return NULL;
-    }
-
-    OpenVGRI::VGContext* newContext = NULL;
-
-    try 
-    {
-        newContext = RI_NEW(OpenVGRI::VGContext, ((OpenVGRI::VGContext*)shareContext));
-        m_contexts.push_back(newContext);
-    } 
-    catch (std::bad_alloc)
-    {
-        if (newContext) 
-            delete newContext;
-
-        newContext = NULL;
-    }
-
-    return newContext;
-}
-
-bool EGLtoVGInterface::ReleaseContext( void* context )
-{
-    int contextIndex = findContext((OpenVGRI::VGContext*)context);
-
-    if (contextIndex < 0)
-        return false;
-
-    OpenVGRI::VGContext* ctx = (OpenVGRI::VGContext*)context;
-    if( !m_contexts.remove(ctx) )
-        return false;
-    
-    RI_DELETE(ctx);
-
-    return true;
-}
-
-OpenVGRI::Color::Descriptor EGLtoVGInterface::vgDescriptorFromSurfaceDescriptor(const SurfaceDescriptor* sdesc)
-{
-    const CColorDescriptor& scdesc = sdesc->m_colorDescriptor;
-    OpenVGRI::Color::Descriptor vdesc;
-    unsigned int formatBits = 0;
-
-    // VG formats are built favoring the first ones in the enum (RGBA, RGBX, etc.)
-
-    // Padded alpha (RGBX, etc.) must be handled. For example:
-    // if (vdesc.bitsPerPixel < sdesc.bitsPerPixel)
-    //      alphabits = 0, alphashift = 8
-    vdesc.bitsPerPixel = scdesc.m_bpp;
-    vdesc.bytesPerPixel = vdesc.bitsPerPixel >> 3;
-
-    vdesc.alphaBits = scdesc.m_alphaSize;
-    vdesc.alphaShift = sdesc->m_alphaShift;
-    vdesc.redBits = scdesc.m_redSize;
-    vdesc.redShift = sdesc->m_redShift;
-    vdesc.greenBits = scdesc.m_greenSize;
-    vdesc.greenShift = sdesc->m_greenShift;
-    vdesc.blueBits = scdesc.m_blueSize;
-    vdesc.blueShift = sdesc->m_blueShift;
-    vdesc.luminanceBits = scdesc.m_luminanceSize;
-    vdesc.luminanceShift = sdesc->m_luminanceShift;
-    
-    if(scdesc.isLuminance())
-        formatBits |= OpenVGRI::Color::LUMINANCE;    
-    
-    // \note Could be copied if LUMINANCE == LUMINANCE, etc.
-    if (scdesc.isPremultiplied())
-        formatBits |= OpenVGRI::Color::PREMULTIPLIED;
-
-    if (scdesc.isNonlinear())
-        formatBits |= OpenVGRI::Color::NONLINEAR;
-
-    vdesc.internalFormat = (OpenVGRI::Color::InternalFormat)formatBits;
-    // \todo format
-    vdesc.vgFormat = (VGImageFormat)-1; // Not necessarily any VG image format
-    vdesc.shape = vdesc.getShape();
-
-    return vdesc;
-}
-
-bool EGLtoVGInterface::CreateSurface(const SurfaceDescriptor* desc, BufferContainer* buffers, void* image)
-{
-    RI_ASSERT( buffers );
-    OpenVGRI::Color::Descriptor vgColorDescriptor; 
-    OpenVGRI::Image* newImage = NULL;
-    if(image)
-        {
-        if(!isValidImage(image))
-            return false;
-        newImage = (OpenVGRI::Image*)image;
-        vgColorDescriptor = newImage->getDescriptor();
-        }
-    else
-        {
-        vgColorDescriptor = vgDescriptorFromSurfaceDescriptor(desc);
-        }
-    OpenVGRI::Drawable* newDrawable = NULL;
-    
-    //VGImageQuality quality = VG_IMAGE_QUALITY_BETTER;
-
-    int w = desc->m_width;
-    int h = desc->m_height;
-    int stride = OpenVGRI::Image::descriptorToStride(vgColorDescriptor, w);
-    size_t bufSize = h * stride;
-
-    OpenVGRI::RIuint8* dataPtr = NULL;
-
-    try 
-    {
-        int maskBits = 0;
-        if( !newImage )
-            {
-            newImage = RI_NEW(OpenVGRI::Image,(vgColorDescriptor, w, h, VG_IMAGE_QUALITY_BETTER));
-            maskBits = desc->m_maskSize;
-            }
-        else
-            {
-            dataPtr = newImage->getData();
-            maskBits = newImage->getDescriptor().maskBits;
-            }
-        newDrawable = RI_NEW(OpenVGRI::Drawable, (newImage, maskBits));
-        newDrawable->addReference();
-    } 
-    catch (std::bad_alloc)
-    {
-        if (dataPtr)        RI_DELETE_ARRAY(dataPtr);
-        if (newImage)       RI_DELETE(newImage);
-        if (newDrawable)    RI_DELETE(newDrawable);
-
-        return false;
-    }
-    buffers->m_clientSurface = newDrawable;
-    buffers->m_colorBuffer = newDrawable->getColorBuffer()->getImage()->getData();
-    buffers->m_maskBuffer = newDrawable->getMaskBuffer();
-    return true;
-}
-
-bool EGLtoVGInterface::ReleaseSurface(void* surface)
-{
-    RI_ASSERT(surface);
-
-    OpenVGRI::Drawable *drawable = (OpenVGRI::Drawable*)surface;
-
-    if (!drawable->removeReference())
-        RI_DELETE(drawable);
-    
-	return true;
-}
-
-bool EGLtoVGInterface::SetCurrentSurface( void* context, void* surface )
-{
-    OpenVGRI::Drawable* drawable = (OpenVGRI::Drawable*)surface;
-    OpenVGRI::VGContext *ctx = (OpenVGRI::VGContext*)context;
-
-    int i = findContext(ctx);
-
-    if (i < 0)
-        return false;
-
-    ctx->setDefaultDrawable(drawable);
-
-    return true;
-}
-
-bool EGLtoVGInterface::ResizeSurface( void* context, void* surface, int width, int height, BufferContainer* buffers )
-    {
-    OpenVGRI::Drawable* drawable = (OpenVGRI::Drawable*)surface;
-    OpenVGRI::VGContext *ctx = (OpenVGRI::VGContext*)context;
-    int i = findContext(ctx);
-    if(i < 0)
-        return false;
-    
-    try 
-    {
-        drawable->resize( ctx, width, height );
-    } 
-    catch (std::bad_alloc) 
-    {
-        return false;
-    }
-    buffers->m_clientSurface = drawable;
-    buffers->m_colorBuffer = drawable->getColorBuffer()->getImage()->getData();
-    buffers->m_maskBuffer = drawable->getMaskBuffer();
-    return true;
-    }
-
-bool EGLtoVGInterface::IsValidImage( void* image, CColorDescriptor* colorDesc, int* width, int* height )
-{
-    bool ret = isValidImage(image);
-    if(ret)
-        {
-        *width = ((OpenVGRI::Image*)image)->getWidth();
-        *height = ((OpenVGRI::Image*)image)->getHeight();
-        const OpenVGRI::Color::Descriptor& desc = ((OpenVGRI::Image*)image)->getDescriptor();
-        colorDesc->m_bpp = desc.bitsPerPixel;
-        colorDesc->m_redSize = desc.redBits;
-        colorDesc->m_greenSize = desc.greenBits;
-        colorDesc->m_blueSize = desc.blueBits;
-        colorDesc->m_alphaSize = desc.alphaBits;
-        colorDesc->m_luminanceSize = desc.luminanceBits;
-        colorDesc->m_alphaMaskSize = desc.maskBits;
-        colorDesc->m_format = (CColorDescriptor::ColorFormat)desc.internalFormat;
-        }
-
-    return ret;
-}
-
-bool EGLtoVGInterface::IsImageInUse( void* image )
-{
-    bool ret = false;
-    if(image && isValidImage(image))
-        {
-        ret = ((OpenVGRI::Image*)image)->isInUse();
-        }
-    return ret;
-}
-
-void* EGLtoVGInterface::CreateImage()
-{
-    RI_ASSERT(false);
-	return NULL;
-}
-
-bool EGLtoVGInterface::ReleaseImage()
-{
-    RI_ASSERT(false);
-	return false;
-}
-
-void EGLtoVGInterface::Flush()
-{
-    vgFlush();
-}
-
-void EGLtoVGInterface::Finish()
-{
-    vgFinish();
-}
-
-fpVGProc EGLtoVGInterface::GetVGProcAddress( const char *procname )
-{
-    fpVGProc ret = NULL;
-    if(strcmp(procname, "vgePathCoordsSizeInBytes") == 0)
-        {
-        ret = (fpVGProc)vgePathCoordsSizeInBytes;
-        }
-    return ret;
-}
-
-void EGLtoVGInterface::CopyBuffers( void* buffer, int stride, void* surface )
-    {
-    OpenVGRI::Drawable *drawable = (OpenVGRI::Drawable*)surface;
-    int width = drawable->getColorBuffer()->getWidth();
-    int height = drawable->getColorBuffer()->getHeight();
-	// \todo Pixel format.
-    VGImageFormat format = VG_sARGB_8888_PRE;
-    vgReadPixels( buffer, stride, format, 0, 0, width, height );
-    }
-
-void EGLtoVGInterface::UpdateBuffers( void* buffer, int stride, const SurfaceDescriptor* desc )
-    {
-    // \todo format, errors
-    VGImageFormat format = VG_sARGB_8888_PRE;
-    vgWritePixels( buffer, stride, format, 0, 0, desc->m_width, desc->m_height );
-    }
-
-bool EGLtoVGInterface::IsRootImage( void* image )
-    {
-    if( !image ) return false;    
-    if ( vgGetParent( (VGImage)image ) )
-        {
-        // if vgGetParent returns not NULL image it is not parent image
-        // , only child image has parent image, and this should return false
-        return false;
-        }
-    // vgGetParent is NULL and image is parent image
-    return true;
-    }                                                    
-
-void EGLtoVGInterface::GetImageData( void* image, SurfaceDescriptor& desc, void* data )
-    {
-    OpenVGRI::Image* vgimage = (OpenVGRI::Image*)image;
-    if( !image )
-        {
-        return;
-        }
-    desc.m_height = vgimage->getHeight();
-    desc.m_width  = vgimage->getWidth();
-    int bufSize;
-    
-    OpenVGRI::Color::Descriptor colorDesc   = vgimage->getDescriptor();
-	VGImageFormat vgFormat;
-	// Convert some formats into more GL-friendly formats.
-	if( colorDesc.vgFormat == VG_BW_1 )
-		{
-		vgFormat = VG_lL_8;
-		}
-	else if( colorDesc.vgFormat == VG_A_1 || colorDesc.vgFormat == VG_A_4 )
-		{
-		vgFormat = VG_A_8;
-		}
-	else
-		{
-		vgFormat = colorDesc.vgFormat;
-		}
-    desc.m_colorDescriptor.m_format = (CColorDescriptor::ColorFormat)colorDesc.internalFormat;
-    desc.m_alphaShift     = colorDesc.alphaShift;
-    desc.m_blueShift      = colorDesc.blueShift;
-    desc.m_greenShift     = colorDesc.greenShift;
-    desc.m_redShift       = colorDesc.redShift;
-    desc.m_luminanceShift = colorDesc.luminanceShift;
-    desc.m_stride         = vgimage->getStride();
-
-    bufSize = (desc.m_stride * desc.m_height);
-    // Allocate data from memory.
-    data = RI_NEW_ARRAY(OpenVGRI::RIuint8, bufSize);
-    // Get data from VG
-    vgGetImageSubData( (VGImage)vgimage, data, vgimage->getStride(), vgFormat, 0, 0, vgimage->getWidth(), vgimage->getWidth() );
-
-    }
-
-void EGLtoVGInterface::AddRef( void* image )
-    {
-    OpenVGRI::Image* vgimage = (OpenVGRI::Image*)image;
-    if( !image )
-        {
-        return;
-        }
-    vgimage->addReference();
-    }
-
-void EGLtoVGInterface::RemoveRef( void* image )
-    {
-    OpenVGRI::Image* vgimage = (OpenVGRI::Image*)image;
-    if( !image )
-        {
-        return;
-        }
-    vgimage->removeReference();
-    }
-
-/*static*/ IVGtoEGLInterface* EGLtoVGInterface::GetEGLInterface()
-{
-    return g_EGLtoVGInterface.m_egl;
-}
-
-void* OpenVGRI::eglvgGetCurrentVGContext(void)
-{
-    return EGLtoVGInterface::GetEGLInterface()->GetVGContext();
-}
-
-bool OpenVGRI::eglvgIsInUse(void* image)
-{
-    return EGLtoVGInterface::GetEGLInterface()->IsImageInUse(image);
-}
-
-bool OpenVGRI::eglvgLockSurface(bool read, bool write)
-{
-	return EGLtoVGInterface::GetEGLInterface()->LockVGSurface(read, write);
-}
-
-bool OpenVGRI::eglvgUnlockSurface()
-{
-	return EGLtoVGInterface::GetEGLInterface()->UnlockVGSurface();
-}
-
-void OpenVGRI::OSAcquireMutex(void)
-{
-}
-
-void OpenVGRI::OSReleaseMutex(void) 
-{
-}
-
-void OpenVGRI::eglvgGetImageDescriptor( void* image, Color::Descriptor &desc, int &width, int &height, int &stride )
-    {
-    SurfaceDescriptor surfDesc;
-    EGLtoVGInterface::GetEGLInterface()->GetDescForImage( image, surfDesc );
-    desc = EGLtoVGInterface::vgDescriptorFromSurfaceDescriptor( &surfDesc );
-    width = surfDesc.m_width;
-    height = surfDesc.m_height;
-    stride = surfDesc.m_stride;
-    }
-
-void* OpenVGRI::eglvgGetImageData( void* image )
-    {
-    return EGLtoVGInterface::GetEGLInterface()->GetDataForImage( image );
-    }