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glsl/sso: Add parser and AST-to-HIR support for separate shader object layouts

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GL_ARB_separate_shader_objects adds the ability to specify location
layouts for interstage inputs and outputs.

In addition, this extension makes 'in' and 'out' generally available for
shader inputs and outputs.  This mimics the behavior of
GL_ARB_explicit_attrib_location.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Ian Romanick
2013-09-25 16:16:00 -07:00
parent f3b184590f
commit 4d14b190bb
4 changed files with 71 additions and 13 deletions
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src/glsl/glcpp/glcpp-parse.y
+3
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@@ -2134,6 +2134,9 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio
if (extensions->ARB_texture_gather)
add_builtin_define(parser, "GL_ARB_texture_gather", 1);
if (extensions->ARB_separate_shader_objects)
add_builtin_define(parser, "GL_ARB_separate_shader_objects", 1);
if (extensions->ARB_shader_atomic_counters)
add_builtin_define(parser, "GL_ARB_shader_atomic_counters", 1);