First pass at a fallback concept for pipe devices.

Creates a new pipe driver that feeds commands to either a hardware or
software pipe depending on fallback state.

Untested concept checkpoint.  At this point it compiles.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/mesa/pipe/i915simple/i915_context.c b/src/mesa/pipe/i915simple/i915_context.c
index fdb1a7422dd..9856c7c10c3 100644
--- a/src/mesa/pipe/i915simple/i915_context.c
+++ b/src/mesa/pipe/i915simple/i915_context.c
@@ -149,7 +149,7 @@ static void i915_destroy( struct pipe_context *pipe )
 
 
 
-static void i915_draw_elements( struct pipe_context *pipe,
+static boolean i915_draw_elements( struct pipe_context *pipe,
                                 struct pipe_buffer_handle *indexBuffer,
                                 unsigned indexSize,
                                 unsigned prim, unsigned start, unsigned count)
@@ -202,13 +202,15 @@ static void i915_draw_elements( struct pipe_context *pipe,
       pipe->winsys->buffer_unmap(pipe->winsys, indexBuffer);
       draw_set_mapped_element_buffer(draw, 0, NULL);
    }
+
+   return TRUE;
 }
 
 
-static void i915_draw_arrays( struct pipe_context *pipe,
-                              unsigned prim, unsigned start, unsigned count)
+static boolean i915_draw_arrays( struct pipe_context *pipe,
+				 unsigned prim, unsigned start, unsigned count)
 {
-   i915_draw_elements(pipe, NULL, 0, prim, start, count);
+   return i915_draw_elements(pipe, NULL, 0, prim, start, count);
 }