bool Texture2D::isDepth(GLenum target, GLint level) const
{
return IsDepthTexture(getFormat(target, level));
}
GLenum Framebuffer::completeness(int &width, int &height, int &samples)
{
width = -1;
height = -1;
samples = -1;
if(mColorbufferType != GL_NONE_OES)
{
Renderbuffer *colorbuffer = getColorbuffer();
if(!colorbuffer)
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(colorbuffer->getWidth() == 0 || colorbuffer->getHeight() == 0)
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(mColorbufferType == GL_RENDERBUFFER_OES)
{
if(!IsColorRenderable(colorbuffer->getFormat()))
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
}
else if(IsTextureTarget(mColorbufferType))
{
GLenum format = colorbuffer->getFormat();
if(!IsColorRenderable(format))
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(IsDepthTexture(format) || IsStencilTexture(format))
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
}
else
{
UNREACHABLE(mColorbufferType);
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
width = colorbuffer->getWidth();
height = colorbuffer->getHeight();
samples = colorbuffer->getSamples();
}
Renderbuffer *depthbuffer = nullptr;
Renderbuffer *stencilbuffer = nullptr;
if(mDepthbufferType != GL_NONE_OES)
{
depthbuffer = getDepthbuffer();
if(!depthbuffer)
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(depthbuffer->getWidth() == 0 || depthbuffer->getHeight() == 0)
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(mDepthbufferType == GL_RENDERBUFFER_OES)
{
if(!es1::IsDepthRenderable(depthbuffer->getFormat()))
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
}
else if(IsTextureTarget(mDepthbufferType))
{
if(!es1::IsDepthTexture(depthbuffer->getFormat()))
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
}
else
{
UNREACHABLE(mDepthbufferType);
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(width == -1 || height == -1)
{
width = depthbuffer->getWidth();
height = depthbuffer->getHeight();
samples = depthbuffer->getSamples();
}
else if(width != depthbuffer->getWidth() || height != depthbuffer->getHeight())
{
return GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_OES;
}
else if(samples != depthbuffer->getSamples())
{
UNREACHABLE(0);
}
}
if(mStencilbufferType != GL_NONE_OES)
{
stencilbuffer = getStencilbuffer();
if(!stencilbuffer)
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(stencilbuffer->getWidth() == 0 || stencilbuffer->getHeight() == 0)
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(mStencilbufferType == GL_RENDERBUFFER_OES)
{
if(!es1::IsStencilRenderable(stencilbuffer->getFormat()))
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
}
else if(IsTextureTarget(mStencilbufferType))
{
GLenum internalformat = stencilbuffer->getFormat();
if(!es1::IsStencilTexture(internalformat))
{
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
}
else
{
UNREACHABLE(mStencilbufferType);
return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES;
}
if(width == -1 || height == -1)
{
width = stencilbuffer->getWidth();
height = stencilbuffer->getHeight();
samples = stencilbuffer->getSamples();
}
else if(width != stencilbuffer->getWidth() || height != stencilbuffer->getHeight())
{
return GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_OES;
}
else if(samples != stencilbuffer->getSamples())
{
UNREACHABLE(0);
return GL_FRAMEBUFFER_UNSUPPORTED_OES; // GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_OES;
}
}
// We need to have at least one attachment to be complete
if(width == -1 || height == -1)
{
return GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_OES;
}
return GL_FRAMEBUFFER_COMPLETE_OES;
}