docs: move specs to a separate folder

Handle legacy/obsolete specs as well
List all specs in extensions.html
Mark 'OLD' extensions as obsolete in extensions.html
Update the spec location in old relnotes

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

docs/extensions.html

@@ -23,19 +23,27 @@ The specifications follow.
 
 
 <ul>
-<li><a href="MESA_agp_offset.spec">MESA_agp_offset.spec</a>
-<li><a href="MESA_copy_sub_buffer.spec">MESA_copy_sub_buffer.spec</a>
-<li><a href="MESA_packed_depth_stencil.spec">MESA_packed_depth_stencil.spec</a>
-<li><a href="MESA_pack_invert.spec">MESA_pack_invert.spec</a>
-<li><a href="MESA_pixmap_colormap.spec">MESA_pixmap_colormap.spec</a>
-<li><a href="MESA_release_buffers.spec">MESA_release_buffers.spec</a>
-<li><a href="MESA_resize_buffers.spec">MESA_resize_buffers.spec</a>
-<li><a href="MESA_set_3dfx_mode.spec">MESA_set_3dfx_mode.spec</a>
-<li><a href="MESA_sprite_point.spec">MESA_sprite_point.spec</a> (obsolete)
-<li><a href="MESA_texture_signed_rgba.spec">MESA_texture_signed_rgba.spec</a>
-<li><a href="MESA_trace.spec">MESA_trace.spec</a> (obsolete)
-<li><a href="MESA_window_pos.spec">MESA_window_pos.spec</a>
-<li><a href="MESA_ycbcr_texture.spec">MESA_ycbcr_texture.spec</a>
+<li><a href="specs/MESA_agp_offset.spec">MESA_agp_offset.spec</a>
+<li><a href="specs/MESA_copy_sub_buffer.spec">MESA_copy_sub_buffer.spec</a>
+<li><a href="specs/MESA_drm_image.spec">MESA_drm_image.spec</a>
+<li><a href="specs/MESA_multithread_makecurrent.spec">MESA_multithread_makecurrent.spec</a>
+<li><a href="specs/OLD/MESA_packed_depth_stencil.spec">MESA_packed_depth_stencil.spec</a> (obsolete)
+<li><a href="specs/MESA_pack_invert.spec">MESA_pack_invert.spec</a>
+<li><a href="specs/MESA_pixmap_colormap.spec">MESA_pixmap_colormap.spec</a>
+<li><a href="specs/OLD/MESA_program_debug.spec">MESA_program_debug.spec</a> (obsolete)
+<li><a href="specs/MESA_release_buffers.spec">MESA_release_buffers.spec</a>
+<li><a href="specs/MESA_resize_buffers.spec">MESA_resize_buffers.spec</a>
+<li><a href="specs/MESA_set_3dfx_mode.spec">MESA_set_3dfx_mode.spec</a>
+<li><a href="specs/MESA_shader_debug.spec">MESA_shader_debug.spec</a>
+<li><a href="specs/OLD/MESA_sprite_point.spec">MESA_sprite_point.spec</a> (obsolete)
+<li><a href="specs/MESA_swap_control.spec">MESA_swap_control.spec</a>
+<li><a href="specs/MESA_swap_frame_usage.spec">MESA_swap_frame_usage.spec</a>
+<li><a href="specs/MESA_texture_array.spec">MESA_texture_array.spec</a>
+<li><a href="specs/MESA_texture_signed_rgba.spec">MESA_texture_signed_rgba.spec</a>
+<li><a href="specs/OLD/MESA_trace.spec">MESA_trace.spec</a> (obsolete)
+<li><a href="specs/MESA_window_pos.spec">MESA_window_pos.spec</a>
+<li><a href="specs/MESA_ycbcr_texture.spec">MESA_ycbcr_texture.spec</a>
+<li><a href="specs/WL_bind_wayland_display.spec">WL_bind_wayland_display.spec</a>
 </ul>
 
 </div>

docs/relnotes/5.1

@@ -106,7 +106,7 @@ Vertex/Fragment program debugger
 
 GL_MESA_program_debug is an experimental extension to support
 interactive debugging of vertex and fragment programs.  See the
-docs/MESA_program_debug.spec file for details.
+docs/specs/OLD/MESA_program_debug.spec file for details.
 
 The bulk of the vertex/fragment program debugger is implemented
 outside of Mesa.  The GL_MESA_program_debug extension just has minimal

docs/xlibdriver.html

@@ -221,7 +221,7 @@ See the xdemos/glxpixmap.c file for an example of how to use this
 extension.
 </p>
 <p>
-<a href="MESA_pixmap_colormap.spec">GLX_MESA_pixmap_colormap specification</a>
+<a href="specs/MESA_pixmap_colormap.spec">GLX_MESA_pixmap_colormap specification</a>
 </p>
 
 
@@ -250,7 +250,7 @@ just before an X window is destroyed.  For example:
          XDestroyWindow( dpy, window );
 </pre>
 <p>
-<a href="MESA_release_buffers.spec">GLX_MESA_release_buffers specification</a>
+<a href="specs/MESA_release_buffers.spec">GLX_MESA_release_buffers specification</a>
 </p>
 <p>
 This extension was added in Mesa 2.0.
@@ -263,7 +263,7 @@ like glXSwapBuffers() but only copies a sub-region of the window
 instead of the whole window.
 </p>
 <p>
-<a href="MESA_copy_sub_buffer.spec">GLX_MESA_copy_sub_buffer specification</a>
+<a href="specs/MESA_copy_sub_buffer.spec">GLX_MESA_copy_sub_buffer specification</a>
 </p>
 <p>
 This extension was added in Mesa 2.6