glCheckFramebufferStatus â check the completeness status of a framebuffer
C SpecificationGLenum glCheckFramebufferStatus( GLenum target);
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Parameterstarget
Specify the target of the framebuffer completeness check.
glCheckFramebufferStatus queries the completeness status of the framebuffer object currently bound to target. target must be GL_DRAW_FRAMEBUFFER, GL_READ_FRAMEBUFFER or GL_FRAMEBUFFER. GL_FRAMEBUFFER is equivalent to GL_DRAW_FRAMEBUFFER.
The return value is GL_FRAMEBUFFER_COMPLETE if the framebuffer bound to target is complete. Otherwise, the return value is determined as follows:
GL_FRAMEBUFFER_UNDEFINED is returned if target is the default framebuffer, but the default framebuffer does not exist.
GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT is returned if any of the framebuffer attachment points are framebuffer incomplete.
GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT is returned if the framebuffer does not have at least one image attached to it.
GL_FRAMEBUFFER_UNSUPPORTED is returned if depth and stencil attachments, if present, are not the same renderbuffer, or if the combination of internal formats of the attached images violates an implementation-dependent set of restrictions.
GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE is returned if the value of GL_RENDERBUFFER_SAMPLES is not the same for all attached renderbuffers or, if the attached images are a mix of renderbuffers and textures, the value of GL_RENDERBUFFER_SAMPLES is not zero.
Additionally, if an error occurs, zero is returned.
ErrorsGL_INVALID_ENUM is generated if target is not GL_DRAW_FRAMEBUFFER, GL_READ_FRAMEBUFFER or GL_FRAMEBUFFER.
Copyright © 2010-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. https://opencontent.org/openpub/.
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