[Bug 76978] glBlendFuncSeparatei (IrisPro with Mesa DRI / 3.0 Mesa 10.0.1)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Apr 3 02:58:11 PDT 2014


--- Comment #1 from Iago Toral <itoral at igalia.com> ---
(In reply to comment #0)
> Mesa reports availability of ARB_draw_buffers_blend but glBlendFuncSeparatei
> HW is BrixPro with i7-4770R with SteamOS (Mesa DRI / 3.0 Mesa 10.0.1).
> To reproduce bug:
> 	git clone git://github.com/bkaradzic/bx.git
> 	git clone git://github.com/bkaradzic/bgfx.git
> 	cd bgfx
> 	../bx/tools/linux/bin/premake4 --file=premake/premake4.lua --gcc=linux-gcc

Should be:
../bx/tools/bin/linux/premake4 --file=premake/premake4.lua --gcc=linux-gcc

> gmake
> 	make -C .build/projects/gmake-linux config=debug64 example-19-oit
> 	cd examples/runtime
> 	../../.build/linux64_gcc/bin/example-18-oitDebug
> Switch to MRT option, and you will get (MESA_DEBUG=verbose):
> "Mesa: User error: GL_INVALID_OPERATION in unsupported function called
> (unsupported extension or deprecated function?)"

It looks like the i965 driver does not provide an implementation for
ctx->Driver.BlendFuncSeparate. I am not sure what are the requirements for the
Xserver to advertise the extension though.

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