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From Christian Ruzicka, "when MSAA is activated on iOS, the stencil attachment is not added (Stencil buffer is not working at all). Attached are the needed changes to make MSAA + stencil working on iOS.

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Tested with OSG 3.1.7 and iOS SDK 6.1."
This commit is contained in:
Robert Osfield
2013-06-24 12:31:48 +00:00
parent addf8b1d2d
commit 84d7d9a056
1 changed files with 7 additions and 2 deletions
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9
src/osgViewer/GraphicsWindowIOS.mm
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@@ -436,9 +436,14 @@ typedef std::map<void*, unsigned int> TouchPointsIdMapping;
glGenRenderbuffersOES(1, &_msaaDepthBuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, _msaaDepthBuffer);
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, _win->getTraits()->samples, ( _win->getTraits()->depth == 16) ? GL_DEPTH_COMPONENT16_OES : GL_DEPTH_COMPONENT24_OES, _backingWidth , _backingHeight);
GLuint attachmentType = (_win->getTraits()->stencil > 0) ? GL_DEPTH24_STENCIL8_OES : ((_win->getTraits()->depth == 16) ? GL_DEPTH_COMPONENT16_OES : GL_DEPTH_COMPONENT24_OES);
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, _win->getTraits()->samples, attachmentType, _backingWidth , _backingHeight);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, _msaaDepthBuffer);
if (_win->getTraits()->stencil > 0)
{
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_STENCIL_ATTACHMENT_OES, GL_RENDERBUFFER_OES, _msaaDepthBuffer);
}
}
#endif