--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostopenvg/src/sfEGLInterface.cpp Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,470 @@
+/* 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 );
+ }