glsl: Add infrastructure for ARB_shading_language_packing

[mesa.git] / src / glsl / glsl_parser_extras.h

diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index 597b49ef19d8ce803ee89b0a6162162a82a64051..53df149d87168ac81588d27edde51975f846a9d1 100644 (file)
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -125,6 +125,20 @@ struct _mesa_glsl_parse_state {
                       unsigned required_glsl_es_version,
                       YYLTYPE *locp, const char *fmt, ...) PRINTFLIKE(5, 6);
 
+   bool check_precision_qualifiers_allowed(YYLTYPE *locp)
+   {
+      return check_version(130, 100, locp,
+                           "precision qualifiers are forbidden");
+   }
+
+   bool check_bitwise_operations_allowed(YYLTYPE *locp)
+   {
+      return check_version(130, 300, locp, "bit-wise operations are forbidden");
+   }
+
+   void process_version_directive(YYLTYPE *locp, int version,
+                                  const char *ident);
+
    struct gl_context *const ctx;
    void *scanner;
    exec_list translation_unit;
@@ -176,6 +190,10 @@ struct _mesa_glsl_parse_state {
 
       /* ARB_draw_buffers */
       unsigned MaxDrawBuffers;
+
+      /* 3.00 ES */
+      int MinProgramTexelOffset;
+      int MaxProgramTexelOffset;
    } Const;
 
    /**
@@ -254,6 +272,8 @@ struct _mesa_glsl_parse_state {
    bool OES_standard_derivatives_warn;
    bool ARB_texture_cube_map_array_enable;
    bool ARB_texture_cube_map_array_warn;
+   bool ARB_shading_language_packing_enable;
+   bool ARB_shading_language_packing_warn;
    /*@}*/
 
    /** Extensions supported by the OpenGL implementation. */
@@ -336,7 +356,7 @@ extern "C" {
 #endif
 
 extern int glcpp_preprocess(void *ctx, const char **shader, char **info_log,
-                      const struct gl_extensions *extensions, int api);
+                      const struct gl_extensions *extensions, struct gl_context *gl_ctx);
 
 extern void _mesa_destroy_shader_compiler(void);
 extern void _mesa_destroy_shader_compiler_caches(void);