X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fextensions.h;h=efef1be47518f774498913fb0c2347168e3181b3;hb=bc5be5323f14c4f790ecaf29991158be1f5435b0;hp=7a3791d58b39fa1227cb31b905bee7f56ccb580a;hpb=3998cfa933dcd9134b75d9f0ae2c9cfcd6f2ee45;p=mesa.git

diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h
index 7a3791d58b3..efef1be4751 100644
--- a/src/mesa/main/extensions.h
+++ b/src/mesa/main/extensions.h
@@ -38,27 +38,18 @@
 
 #include "glheader.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct gl_context;
+struct gl_extensions;
 
 extern void _mesa_enable_sw_extensions(struct gl_context *ctx);
 
-extern void _mesa_enable_1_3_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_1_4_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_1_5_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_2_0_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_2_1_extensions(struct gl_context *ctx);
-
-extern void _mesa_enable_extension(struct gl_context *ctx, const char *name);
+extern void _mesa_one_time_init_extension_overrides(void);
 
-extern void _mesa_disable_extension(struct gl_context *ctx, const char *name);
-
-extern GLboolean _mesa_extension_is_enabled(struct gl_context *ctx, const char *name);
-
-extern void _mesa_init_extensions(struct gl_context *ctx);
+extern void _mesa_init_extensions(struct gl_extensions *extentions);
 
 extern GLubyte *_mesa_make_extension_string(struct gl_context *ctx);
 
@@ -68,4 +59,56 @@ _mesa_get_extension_count(struct gl_context *ctx);
 extern const GLubyte *
 _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index);
 
+
+/**
+ * \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
+MESA_EXTENSION_COUNT
+};
+
+
+/** 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;
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif