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glsl: Add extension plumbing for OES/EXT_tessellation_shader.

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This adds the #extension directive support, built-in #defines,
lexer keyword support, and updates has_tessellation_shader().

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Kenneth Graunke
2016-07-08 12:00:30 -07:00
parent 722fd10456
commit 58709d36d7
4 changed files with 19 additions and 3 deletions
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src/compiler/glsl/glsl_lexer.ll
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@@ -311,7 +311,7 @@ invariant KEYWORD(120, 100, 120, 100, INVARIANT);
flat KEYWORD(130, 100, 130, 300, FLAT);
smooth KEYWORD(130, 300, 130, 300, SMOOTH);
noperspective KEYWORD(130, 300, 130, 0, NOPERSPECTIVE);
patch KEYWORD_WITH_ALT(0, 300, 400, 0, yyextra->ARB_tessellation_shader_enable, PATCH);
patch KEYWORD_WITH_ALT(0, 300, 400, 320, yyextra->has_tessellation_shader(), PATCH);
sampler1D DEPRECATED_ES_KEYWORD(SAMPLER1D);
sampler2D return SAMPLER2D;