On 2 October 2013 16:45, Paul Berry <[email protected]> wrote: > I'm putting the finishing touches on a patch series for Mesa that > allows for redeclaration of the gl_PerVertex interface block. This > series contains the tests I used to validate my Mesa work. > > The GLSL 1.50 spec doesn't directly address how to redeclare elements > of the gl_PerVertex interface block, but the GLSL 4.10 spec does. It > seems pretty clear that the rules in the GLSL 4.10 spec were intended > as a clarification, rather than a behavioural change, so I've based my > tests on the GLSL 4.10 spec, but applied them to GLSL 1.50. > > A few patches don't relate directly to redeclaration of gl_PerVertex, > but rather cover Mesa bugs I discovered while working on interface > block redeclaration. Patches 1 and 2 test some previously untested > uses of identifiers to make sure that they can't begin with the "gl_" > prefix. Patches 4 and 5 test some things that should be prohibited in > general for interface blocks, such as redeclaring an existing > interface block, or declaring an interface block that conflicts with a > global variable. > > The remaining patches are specific to redeclaration of gl_PerVertex. > > [PATCH 01/14] Test that struct names may not begin with "gl_" prefix. > [PATCH 02/14] Test illegal usages of "gl_" prefix in interface blocks. > [PATCH 03/14] Test that redeclaration of gl_PerVertex must be for a subset. > [PATCH 04/14] Test that interface blocks cannot declare conflicting names. > [PATCH 05/14] Test that in general, interface blocks cannot be redeclared. > [PATCH 06/14] Test that the built-in gl_PerVertex interface block can be > redeclared. > [PATCH 07/14] Test that gl_PerVertex can't be redeclared after it's been > used. > [PATCH 08/14] Test that gl_PerVertex can't be redeclared multiple times in > one shader. > [PATCH 09/14] Test that after redeclaration, absent members of > gl_PerVertex can't be used. > [PATCH 10/14] Test that builtins can't be redeclared both inside and > outside gl_PerVertex. > [PATCH 11/14] Test inter- and intra-stage gl_PerVertex matching rules. > [PATCH 12/14] Verify array-ness and instance name of gl_PerVertex > redeclarations. > [PATCH 13/14] Verify that gl_PerVertex can't be redeclared in certain > shader types. > [PATCH 14/14] Test that gl_in may be redeclared with an array size. >
I almost forgot to mention: this series is available at branch "interface-block-redeclaration" of https://github.com/stereotype441/piglit.git.
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