mesa: Add infrastructure for ARB_shading_language_420pack.

v2 [mattst88]
  - Split infrastructure into separate patch.
  - Add preprocessor #define.

Reviewed-by: Kenneth Graunke <[email protected]>

5 files changed, 8 insertions, 0 deletions

diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y
index 6cb5009e861..ff5bdfe5db5 100644
--- a/src/glsl/glcpp/glcpp-parse.y
+++ b/src/glsl/glcpp/glcpp-parse.y
@@ -1242,6 +1242,9 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api)
 
 	      if (extensions->AMD_vertex_shader_layer)
 	         add_builtin_define(parser, "GL_AMD_vertex_shader_layer", 1);
+
+	      if (extensions->ARB_shading_language_420pack)
+	         add_builtin_define(parser, "GL_ARB_shading_language_420pack", 1);
 	   }
 	}
 
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index 85b2165ef23..98627145a5b 100644
--- a/src/glsl/glsl_parser_extras.cpp
+++ b/src/glsl/glsl_parser_extras.cpp
@@ -479,6 +479,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(OES_standard_derivatives,       false, false, true,  false,  true,     OES_standard_derivatives),
    EXT(ARB_texture_cube_map_array,     true,  false, true,  true,  false,     ARB_texture_cube_map_array),
    EXT(ARB_shading_language_packing,   true,  false, true,  true,  false,     ARB_shading_language_packing),
+   EXT(ARB_shading_language_420pack,   true,  true,  true,  true,  false,     ARB_shading_language_420pack),
    EXT(ARB_texture_multisample,        true,  false, true,  true,  false,     ARB_texture_multisample),
    EXT(ARB_texture_query_lod,          false, false, true,  true,  false,     ARB_texture_query_lod),
    EXT(ARB_gpu_shader5,                true,  true,  true,  true,  false,     ARB_gpu_shader5),
diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index 16e180d3ee4..95918de720b 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -288,6 +288,8 @@ struct _mesa_glsl_parse_state {
    bool ARB_gpu_shader5_warn;
    bool AMD_vertex_shader_layer_enable;
    bool AMD_vertex_shader_layer_warn;
+   bool ARB_shading_language_420pack_enable;
+   bool ARB_shading_language_420pack_warn;
    /*@}*/
 
    /** Extensions supported by the OpenGL implementation. */
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 036604edb9d..fc6fbadecb0 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -126,6 +126,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_shader_texture_lod",                  o(ARB_shader_texture_lod),                  GL,             2009 },
    { "GL_ARB_shading_language_100",                o(ARB_shading_language_100),                GLL,            2003 },
    { "GL_ARB_shading_language_packing",            o(ARB_shading_language_packing),            GL,             2011 },
+   { "GL_ARB_shading_language_420pack",            o(ARB_shading_language_420pack),            GL,             2011 },
    { "GL_ARB_shadow",                              o(ARB_shadow),                              GLL,            2001 },
    { "GL_ARB_sync",                                o(ARB_sync),                                GL,             2003 },
    { "GL_ARB_texture_border_clamp",                o(ARB_texture_border_clamp),                GLL,            2000 },
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index cd8650cbc2b..0002da5c0d5 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3022,6 +3022,7 @@ struct gl_extensions
    GLboolean ARB_shader_texture_lod;
    GLboolean ARB_shading_language_100;
    GLboolean ARB_shading_language_packing;
+   GLboolean ARB_shading_language_420pack;
    GLboolean ARB_shadow;
    GLboolean ARB_sync;
    GLboolean ARB_texture_border_clamp;