Merge branch 'draw-instanced'
[mesa.git] / src / glsl / glsl_parser_extras.h
index dc3d23ac545b1852f9190b6f926f9d9850ae44a2..030d27a2627f056c303b564c6fc24f6bb17836c8 100644 (file)
 #ifndef GLSL_PARSER_EXTRAS_H
 #define GLSL_PARSER_EXTRAS_H
 
+/*
+ * Most of the definitions here only apply to C++
+ */
+#ifdef __cplusplus
+
+
 #include <cstdlib>
 #include "glsl_symbol_table.h"
 
 enum _mesa_glsl_parser_targets {
    vertex_shader,
    geometry_shader,
-   fragment_shader,
-   ir_shader
+   fragment_shader
 };
 
+struct gl_context;
+
 struct _mesa_glsl_parse_state {
+   _mesa_glsl_parse_state(struct gl_context *ctx, GLenum target,
+                         void *mem_ctx);
+
+   /* Callers of this talloc-based new need not call delete. It's
+    * easier to just talloc_free 'ctx' (or any of its ancestors). */
+   static void* operator new(size_t size, void *ctx)
+   {
+      void *mem = talloc_zero_size(ctx, size);
+      assert(mem != NULL);
+
+      return mem;
+   }
+
+   /* If the user *does* call delete, that's OK, we will just
+    * talloc_free in that case. */
+   static void operator delete(void *mem)
+   {
+      talloc_free(mem);
+   }
+
    void *scanner;
    exec_list translation_unit;
    glsl_symbol_table *symbols;
 
+   bool es_shader;
    unsigned language_version;
+   const char *version_string;
    enum _mesa_glsl_parser_targets target;
 
    /**
@@ -49,8 +78,21 @@ struct _mesa_glsl_parse_state {
     * \sa struct gl_constants (in mtypes.h)
     */
    struct {
-      unsigned MaxDrawBuffers;
+      /* 1.10 */
+      unsigned MaxLights;
+      unsigned MaxClipPlanes;
+      unsigned MaxTextureUnits;
       unsigned MaxTextureCoords;
+      unsigned MaxVertexAttribs;
+      unsigned MaxVertexUniformComponents;
+      unsigned MaxVaryingFloats;
+      unsigned MaxVertexTextureImageUnits;
+      unsigned MaxCombinedTextureImageUnits;
+      unsigned MaxTextureImageUnits;
+      unsigned MaxFragmentUniformComponents;
+
+      /* ARB_draw_buffers */
+      unsigned MaxDrawBuffers;
    } Const;
 
    /**
@@ -67,11 +109,16 @@ struct _mesa_glsl_parse_state {
    /** Was there an error during compilation? */
    bool error;
 
-   /** Index of last generated anonymous temporary. */
-   unsigned temp_index;
+   /**
+    * Are all shader inputs / outputs invariant?
+    *
+    * This is set when the 'STDGL invariant(all)' pragma is used.
+    */
+   bool all_invariant;
 
    /** Loop or switch statement containing the current instructions. */
    class ir_instruction *loop_or_switch_nesting;
+   class ast_iteration_statement *loop_or_switch_nesting_ast;
 
    /** List of structures defined in user code. */
    const glsl_type **user_structures;
@@ -85,11 +132,26 @@ struct _mesa_glsl_parse_state {
    /*@{*/
    unsigned ARB_draw_buffers_enable:1;
    unsigned ARB_draw_buffers_warn:1;
+   unsigned ARB_draw_instanced_enable:1;
+   unsigned ARB_draw_instanced_warn:1;
+   unsigned ARB_explicit_attrib_location_enable:1;
+   unsigned ARB_explicit_attrib_location_warn:1;
+   unsigned ARB_fragment_coord_conventions_enable:1;
+   unsigned ARB_fragment_coord_conventions_warn:1;
    unsigned ARB_texture_rectangle_enable:1;
    unsigned ARB_texture_rectangle_warn:1;
    unsigned EXT_texture_array_enable:1;
    unsigned EXT_texture_array_warn:1;
+   unsigned ARB_shader_stencil_export_enable:1;
+   unsigned ARB_shader_stencil_export_warn:1;
    /*@}*/
+
+   /** Extensions supported by the OpenGL implementation. */
+   const struct gl_extensions *extensions;
+
+   /** Shaders containing built-in functions that are used for linking. */
+   struct gl_shader *builtins_to_link[16];
+   unsigned num_builtins_to_link;
 };
 
 typedef struct YYLTYPE {
@@ -102,6 +164,25 @@ typedef struct YYLTYPE {
 # define YYLTYPE_IS_DECLARED 1
 # define YYLTYPE_IS_TRIVIAL 1
 
+# define YYLLOC_DEFAULT(Current, Rhs, N)                       \
+do {                                                           \
+   if (N)                                                      \
+   {                                                           \
+      (Current).first_line   = YYRHSLOC(Rhs, 1).first_line;    \
+      (Current).first_column = YYRHSLOC(Rhs, 1).first_column;  \
+      (Current).last_line    = YYRHSLOC(Rhs, N).last_line;     \
+      (Current).last_column  = YYRHSLOC(Rhs, N).last_column;   \
+   }                                                           \
+   else                                                                \
+   {                                                           \
+      (Current).first_line   = (Current).last_line =           \
+        YYRHSLOC(Rhs, 0).last_line;                            \
+      (Current).first_column = (Current).last_column =         \
+        YYRHSLOC(Rhs, 0).last_column;                          \
+   }                                                           \
+   (Current).source = 0;                                       \
+} while (0)
+
 extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state,
                             const char *fmt, ...);
 
@@ -114,11 +195,6 @@ extern void _mesa_glsl_warning(const YYLTYPE *locp,
                               _mesa_glsl_parse_state *state,
                               const char *fmt, ...);
 
-extern "C" {
-extern int preprocess(void *ctx, const char **shader, char **info_log,
-                     const struct gl_extensions *extensions);
-}
-
 extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state,
                                  const char *string);
 
@@ -148,6 +224,26 @@ extern bool _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp,
 extern const char *
 _mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target);
 
-void do_ir_to_mesa(exec_list *instructions);
+
+#endif /* __cplusplus */
+
+
+/*
+ * These definitions apply to C and C++
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int preprocess(void *ctx, const char **shader, char **info_log,
+                      const struct gl_extensions *extensions, int api);
+
+extern void _mesa_destroy_shader_compiler();
+extern void _mesa_destroy_shader_compiler_caches();
+
+#ifdef __cplusplus
+}
+#endif
+
 
 #endif /* GLSL_PARSER_EXTRAS_H */