On Wed, 25 Jan 2012 19:38:10 -0800, Chad Versace <chad.vers...@linux.intel.com> wrote: > On i965, _mesa_ir_link_shader is never called. As a consequence, > ctx->FragmentProgram->_Current exists but contains no instructions. This > greatly confuses swrast.
I don't think this is valid. You're replacing checks for "is there a fragment shader" with "is there a fragment shader with Mesa IR?". I think the replacement should be the logic that was in shade_texture_span(): "is there a fragment shader that isn't the fixed function fragment shader?": > - const bool use_fragment_program = > - ctx->FragmentProgram._Current > - && ctx->FragmentProgram._Current != > ctx->FragmentProgram._TexEnvProgram;
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