GrGLSharedSurface SkNativeSharedGLContext::stealSurface() {
// Render the texture to the default framebuffer.
int viewport[4];
SK_GL(*this, GetIntegerv(GR_GL_VIEWPORT, viewport));
int width = viewport[2], height = viewport[3];
SK_GL(*this, BindFramebuffer(GR_GL_READ_FRAMEBUFFER, fFBO));
SK_GL(*this, BindFramebuffer(GR_GL_DRAW_FRAMEBUFFER, 0));
SK_GL(*this, BlitFramebuffer(0,
0,
width,
height,
0,
0,
width,
height,
GR_GL_COLOR_BUFFER_BIT,
GR_GL_NEAREST));
SK_GL(*this, Flush());
SK_GL(*this, BindFramebuffer(GR_GL_FRAMEBUFFER, 0));
Pixmap pixmap = fPixmap;
destroyGLResources();
fPixmap = 0;
return pixmap;
}
SkNativeSharedGLContext::~SkNativeSharedGLContext() {
if (fGlxPixmap) {
destroyGLResources();
}
if (fPixmap) {
XFreePixmap(fDisplay, fPixmap);
}
if (fGrContext) {
fGrContext->Release();
}
SkSafeUnref(fGL);
this->destroyGLContext();
}
void font_impl::loadFont(const char* const pFile, int pFontSize)
{
if (mIsFontLoaded) {
if (pFile==mTTFfile)
return;
else {
destroyGLResources();
mIsFontLoaded = false;
}
}
mLoadedPixelSize = pFontSize;
CheckGL("Begin Font::loadFont");
// Initialize freetype font library
FT_Error bError = FT_Init_FreeType(&gFTLib);
bError = FT_New_Face(gFTLib, pFile, 0, &gFTFace);
if(bError) {
FT_Done_FreeType(gFTLib);
FT_THROW_ERROR("font face creation failed", fg::FG_ERR_FREETYPE_ERROR);
}
bError = FT_Set_Pixel_Sizes(gFTFace, 0, pFontSize);
if (bError) {
FT_Done_Face(gFTFace);
FT_Done_FreeType(gFTLib);
FT_THROW_ERROR("set font size failed", fg::FG_ERR_FREETYPE_ERROR);
}
// read font glyphs for only characters
// from ' ' to '~'
for (int i=START_CHAR; i<END_CHAR; ++i) extractGlyph(i);
FT_Done_Face(gFTFace);
FT_Done_FreeType(gFTLib);
mVBO = createBuffer<float>(GL_ARRAY_BUFFER, mVertexData.size(), &(mVertexData.front()), GL_STATIC_DRAW);
mIsFontLoaded = true;
mTTFfile = pFile;
CheckGL("End Font::loadFont");
}
font_impl::~font_impl()
{
destroyGLResources();
}