do clipping prior to XGetImage, just in case the image would extend beyond the screen...

[mesa.git] / src / mesa / drivers / x11 / glxapi.h

diff --git a/src/mesa/drivers/x11/glxapi.h b/src/mesa/drivers/x11/glxapi.h
index 1c4cb03622d976200f682d282df3b42964baa51c..6f09a68fe0841ea5ae014531ec4a24ca10ff3732 100644 (file)
--- a/src/mesa/drivers/x11/glxapi.h
+++ b/src/mesa/drivers/x11/glxapi.h
@@ -1,10 +1,9 @@
-/* $Id: glxapi.h,v 1.11 2001/05/29 23:15:07 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
- * Version:  3.5
+ * Version:  5.1
  * 
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2002  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"),
@@ -34,10 +33,16 @@
 
 
 #ifdef GLX_BUILT_IN_XMESA
-/* The GLX API dispatcher is being built into XFree86's libGL */
+/* The GLX API dispatcher (i.e. this code) is being built into XFree86's
+ * libGL so we'll use the __GLXContextRec defined in xc/lib/GL/glx/glxclient.h
+*/
 #include "glxclient.h"
 #else
-/* The GLX API dispatcher is being built into stand-alone Mesa */
+/* The GLX API dispatcher (i.e. this code) is being built into stand-alone
+ * Mesa.  We don't know anything about XFree86 or real GLX so we define a
+ * minimal __GLXContextRec here so some of the functions in this file can
+ * work properly.
+ */
 typedef struct __GLXcontextRec {
    Display *currentDpy;
    GLboolean isDirect;
@@ -57,8 +62,10 @@ typedef struct __GLXcontextRec {
  * pseudo-GLX can be present at the same time.  The former being used on
  * GLX-enabled X servers and the later on non-GLX X servers.
  *
- * XXX Note that this hasn't actually been fully used yet in either Mesa or
- * the DRI.  Red Hat, however, has used it for their custom libGL.
+ * Red Hat has been using this since Red Hat Linux 7.0 (I think).
+ * This'll be a standard feature in XFree86 4.3.  It basically allows one
+ * libGL to do both DRI-rendering and "fake GLX" rendering to X displays
+ * that lack the GLX extension.
  */
 struct _glxapi_table {
    /*** GLX_VERSION_1_0 ***/
@@ -188,6 +195,20 @@ struct _glxapi_table {
    /*** GLX_MESA_set_3dfx_mode ***/
    Bool (*Set3DfxModeMESA)(int mode);
 
+   /*** GLX_NV_vertex_array_range ***/
+   void * (*AllocateMemoryNV)( GLsizei size,
+                               GLfloat readFrequency,
+                               GLfloat writeFrequency,
+                               GLfloat priority );
+   void (*FreeMemoryNV)( GLvoid *pointer );
+
+   /*** GLX_MESA_agp_offset ***/
+   GLuint (*GetAGPOffsetMESA)( const GLvoid *pointer );
+
+   /*** GLX_ARB_render_texture ***/
+   Bool (*BindTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
+   Bool (*ReleaseTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
+   Bool (*DrawableAttribARB)(Display *dpy, GLXDrawable draw, const int *attribList);
 };