+_mesa_ClampColor(GLenum target, GLenum clamp);
+
+extern GLboolean
+_mesa_get_clamp_fragment_color(const struct gl_context *ctx,
+ const struct gl_framebuffer *drawFb);
+
+extern GLboolean
+_mesa_get_clamp_vertex_color(const struct gl_context *ctx,
+ const struct gl_framebuffer *drawFb);
+
+extern GLboolean
+_mesa_get_clamp_read_color(const struct gl_context *ctx,
+ const struct gl_framebuffer *readFb);
+
+extern void
+_mesa_update_clamp_fragment_color(struct gl_context *ctx,
+ const struct gl_framebuffer *drawFb);
+
+extern void
+_mesa_update_clamp_vertex_color(struct gl_context *ctx,
+ const struct gl_framebuffer *drawFb);