[Mesa-dev] [Bug 27841] Implement GL_EXT_discard_framebuffer

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27841

--- Comment #5 from Ian Romanick <idr at freedesktop.org> 2010-04-30 16:33:45 PDT ---
(In reply to comment #3)
> What about discarding other aux buffers (stencil, depth etc)?

GL_EXT_discard_framebuffer can already do that:

const GLenum attachments[] = { GL_COLOR_EXT, GL_DEPTH_EXT, GL_STENCIL_EXT };
glDiscardFramebufferEXT(GL_FRAMEBUFFER, attachments, 3);

It sounds like we want GL_EXT_discard_framebuffer and some other extension that
enables multiple sub-buffer copy behavior.

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