Handle glFlush/glFinish through the state tracker.

7 files changed, 42 insertions, 10 deletions

diff --git a/src/mesa/pipe/i915simple/i915_flush.c b/src/mesa/pipe/i915simple/i915_flush.c
index 1cf945e9a2..8af4ce770c 100644
--- a/src/mesa/pipe/i915simple/i915_flush.c
+++ b/src/mesa/pipe/i915simple/i915_flush.c
@@ -66,11 +66,10 @@ static void i915_flush( struct pipe_context *pipe,
    FLUSH_BATCH();
 }
 
-static void i915_finish(struct pipe_context *pipe)
+static void i915_wait_idle(struct pipe_context *pipe)
 {
    struct i915_context *i915 = i915_context(pipe);
 
-   i915_flush( pipe, 0 );
    i915->winsys->batch_wait_idle( i915->winsys );
 }
 
@@ -78,5 +77,5 @@ static void i915_finish(struct pipe_context *pipe)
 void i915_init_flush_functions( struct i915_context *i915 )
 {
    i915->pipe.flush = i915_flush;
-   i915->pipe.finish = i915_finish;
+   i915->pipe.wait_idle = i915_wait_idle;
 }
diff --git a/src/mesa/pipe/i915simple/i915_winsys.h b/src/mesa/pipe/i915simple/i915_winsys.h
index 9802148aa1..a3dadbfd3d 100644
--- a/src/mesa/pipe/i915simple/i915_winsys.h
+++ b/src/mesa/pipe/i915simple/i915_winsys.h
@@ -50,6 +50,12 @@ struct pipe_buffer_handle;
 
 struct i915_winsys {
 
+   /* Do any special operations to ensure frontbuffer contents are
+    * displayed, eg copy fake frontbuffer.
+    */
+   void (*flush_frontbuffer)( struct i915_winsys *sws );
+
+
    /* debug output 
     */
    void (*printf)( struct i915_winsys *sws, 
diff --git a/src/mesa/pipe/p_context.h b/src/mesa/pipe/p_context.h
index 7eb492816b..533840c555 100644
--- a/src/mesa/pipe/p_context.h
+++ b/src/mesa/pipe/p_context.h
@@ -220,10 +220,14 @@ struct pipe_context {
                                     struct pipe_mipmap_tree *mt );
 
 
+   /* Simple flush/finish support:
+    */
    void (*flush)( struct pipe_context *pipe,
 		  unsigned flags );
 
-   void (*finish)( struct pipe_context *pipe );
+   void (*wait_idle)( struct pipe_context *pipe );
+
+   void (*flush_frontbuffer)( struct pipe_context *pipe );
 };
 
 
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index 0794d9a888..db572f169d 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -221,7 +221,7 @@ struct pipe_context *softpipe_create( struct softpipe_winsys *sws )
    softpipe->pipe.draw_vertices = softpipe_draw_vertices;
    softpipe->pipe.clear = softpipe_clear;
    softpipe->pipe.flush = softpipe_flush;
-   softpipe->pipe.finish = softpipe_finish;
+   softpipe->pipe.wait_idle = softpipe_wait_idle;
    softpipe->pipe.reset_occlusion_counter = softpipe_reset_occlusion_counter;
    softpipe->pipe.get_occlusion_counter = softpipe_get_occlusion_counter;
 
diff --git a/src/mesa/pipe/softpipe/sp_flush.c b/src/mesa/pipe/softpipe/sp_flush.c
index aa609469a6..a0bce200ed 100644
--- a/src/mesa/pipe/softpipe/sp_flush.c
+++ b/src/mesa/pipe/softpipe/sp_flush.c
@@ -33,6 +33,7 @@
 #include "pipe/p_defines.h"
 #include "sp_flush.h"
 #include "sp_context.h"
+#include "sp_winsys.h"
 
 /* There will be actual work to do here.  In future we may want a
  * fence-like interface instead of finish, and perhaps flush will take
@@ -49,9 +50,21 @@ softpipe_flush( struct pipe_context *pipe,
 }
 
 void
-softpipe_finish(struct pipe_context *pipe)
+softpipe_wait_idle(struct pipe_context *pipe)
 {
-   /* Just calls into flush()
+   /* Nothing to do.   
+    * XXX: What about swapbuffers.
+    * XXX: Even more so - what about fake frontbuffer copies??
     */
-   softpipe_flush( pipe, 0 );
+   struct softpipe_context *softpipe = softpipe_context(pipe);
+   softpipe->winsys->wait_idle( softpipe->winsys );
+}
+
+
+void 
+softpipe_flush_frontbuffer( struct pipe_context *pipe )
+{
+   struct softpipe_context *softpipe = softpipe_context(pipe);
+
+   softpipe->winsys->flush_frontbuffer( softpipe->winsys );
 }
diff --git a/src/mesa/pipe/softpipe/sp_flush.h b/src/mesa/pipe/softpipe/sp_flush.h
index 5e204f87a5..03c0010623 100644
--- a/src/mesa/pipe/softpipe/sp_flush.h
+++ b/src/mesa/pipe/softpipe/sp_flush.h
@@ -30,7 +30,7 @@
 
 struct pipe_context;
 
-void softpipe_finish(struct pipe_context *pipe);
 void softpipe_flush(struct pipe_context *pipe, unsigned flags );
+void softpipe_wait_idle(struct pipe_context *pipe);
 
 #endif
diff --git a/src/mesa/pipe/softpipe/sp_winsys.h b/src/mesa/pipe/softpipe/sp_winsys.h
index 6f6d0f2446..73b0659067 100644
--- a/src/mesa/pipe/softpipe/sp_winsys.h
+++ b/src/mesa/pipe/softpipe/sp_winsys.h
@@ -50,9 +50,19 @@ struct pipe_buffer_handle;
 
 struct softpipe_winsys {
 
+   /* Do any special operations to ensure frontbuffer contents are
+    * displayed, eg copy fake frontbuffer.
+    */
+   void (*flush_frontbuffer)( struct softpipe_winsys *sws );
+
+   /* Wait for any hw swapbuffers, etc. to finish: 
+    */
+   void (*wait_idle)( struct softpipe_winsys *sws );
+
    /* debug output 
     */
-   void (*printf)( const char *, ... );	
+   void (*printf)( struct softpipe_winsys *sws,
+		   const char *, ... );	
 
 
    /* The buffer manager is modeled after the dri_bugmgr interface,