X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fextensions.h;h=b5e035072311bfc4b2636ae5efff85183bdfc83b;hb=37266dfb7c747536d254b32eefa9222c60a37508;hp=bbf6debc79c298d81680d0311fd8875789adc2b6;hpb=e4276667dafc8de0c6e64af8300fc7598437de6e;p=mesa.git

diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h
index bbf6debc79c..b5e03507231 100644
--- a/src/mesa/main/extensions.h
+++ b/src/mesa/main/extensions.h
@@ -1,10 +1,17 @@
-/* $Id: extensions.h,v 1.14 2001/06/15 14:18:46 brianp Exp $ */
+/**
+ * \file extensions.h
+ * Extension handling.
+ * 
+ * \if subset
+ * (No-op)
+ *
+ * \endif
+ */
 
 /*
  * Mesa 3-D graphics library
- * Version:  3.5
  *
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -19,37 +26,80 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 
 #ifndef _EXTENSIONS_H_
 #define _EXTENSIONS_H_
 
-#include "mtypes.h"
-
+#include "glheader.h"
 
-extern void _mesa_enable_sw_extensions(GLcontext *ctx);
+struct gl_context;
+struct gl_extensions;
 
-extern void _mesa_enable_imaging_extensions(GLcontext *ctx);
+extern void _mesa_enable_sw_extensions(struct gl_context *ctx);
 
-extern void _mesa_enable_1_3_extensions(GLcontext *ctx);
+extern void _mesa_one_time_init_extension_overrides(void);
 
-extern void _mesa_add_extension( GLcontext *ctx, GLboolean enabled,
-                                 const char *name, GLboolean *flag_ptr );
+extern void _mesa_init_extensions(struct gl_extensions *extentions);
 
-extern void _mesa_enable_extension( GLcontext *ctx, const char *name );
+extern GLubyte *_mesa_make_extension_string(struct gl_context *ctx);
 
-extern void _mesa_disable_extension( GLcontext *ctx, const char *name );
+extern GLuint
+_mesa_get_extension_count(struct gl_context *ctx);
 
-extern GLboolean _mesa_extension_is_enabled( GLcontext *ctx, const char *name);
+extern const GLubyte *
+_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index);
 
-extern void _mesa_extensions_dtr( GLcontext *ctx );
 
-extern void _mesa_extensions_ctr( GLcontext *ctx );
-
-extern const char *_mesa_extensions_get_string( GLcontext *ctx );
+/**
+ * \brief An element of the \c extension_table.
+ */
+struct mesa_extension {
+   /** Name of extension, such as "GL_ARB_depth_clamp". */
+   const char *name;
+
+   /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
+   size_t offset;
+
+   /** Minimum version the extension requires for the given API
+    * (see gl_api defined in mtypes.h). The value is equal to:
+    * 10 * major_version + minor_version
+    */
+   uint8_t version[API_OPENGL_LAST + 1];
+
+   /** Year the extension was proposed or approved.  Used to sort the 
+    * extension string chronologically. */
+   uint16_t year;
+};
+
+extern const struct mesa_extension _mesa_extension_table[];
+
+
+/* Generate enums for the functions below */
+enum {
+#define EXT(name_str, ...) MESA_EXTENSION_##name_str,
+#include "extensions_table.h"
+#undef EXT
+};
+
+
+/** Checks if the context supports a user-facing extension */
+#define EXT(name_str, driver_cap, ...) \
+static inline bool \
+_mesa_has_##name_str(const struct gl_context *ctx) \
+{ \
+   return ctx->Extensions.driver_cap && (ctx->Extensions.Version >= \
+          _mesa_extension_table[MESA_EXTENSION_##name_str].version[ctx->API]); \
+}
+#include "extensions_table.h"
+#undef EXT
+
+extern struct gl_extensions _mesa_extension_override_enables;
+extern struct gl_extensions _mesa_extension_override_disables;
 
 #endif