Add flush/finish functionality to pipe.

Not sure if finish() is the right interface yet.

12 files changed, 212 insertions, 2 deletions

diff --git a/src/mesa/pipe/i915simple/Makefile b/src/mesa/pipe/i915simple/Makefile
index 4170349893..f8b14220fb 100644
--- a/src/mesa/pipe/i915simple/Makefile
+++ b/src/mesa/pipe/i915simple/Makefile
@@ -8,6 +8,7 @@ DRIVER_SOURCES = \
 	i915_blit.c \
 	i915_buffer.c \
 	i915_clear.c \
+	i915_flush.c \
 	i915_context.c \
 	i915_context.c \
 	i915_debug.c \
diff --git a/src/mesa/pipe/i915simple/i915_batch.h b/src/mesa/pipe/i915simple/i915_batch.h
index 77008eee14..b4ca8c38da 100644
--- a/src/mesa/pipe/i915simple/i915_batch.h
+++ b/src/mesa/pipe/i915simple/i915_batch.h
@@ -28,6 +28,9 @@
 #ifndef I915_BATCH_H
 #define I915_BATCH_H
 
+#include "i915_winsys.h"
+#include "i915_debug.h"
+
 #define BATCH_LOCALS
 
 #define BEGIN_BATCH( dwords, relocs ) \
@@ -41,4 +44,10 @@
 
 #define ADVANCE_BATCH()
 
+#define FLUSH_BATCH() do { 					\
+/*   i915_dump_batchbuffer( i915, i915->batch_start, BEGIN_BATCH(0, 0) ); */	\
+   i915->winsys->batch_flush( i915->winsys );				\
+   i915->batch_start = BEGIN_BATCH(0, 0);				\
+} while (0)
+
 #endif 
diff --git a/src/mesa/pipe/i915simple/i915_context.c b/src/mesa/pipe/i915simple/i915_context.c
index f39c282981..02b51bea43 100644
--- a/src/mesa/pipe/i915simple/i915_context.c
+++ b/src/mesa/pipe/i915simple/i915_context.c
@@ -170,6 +170,13 @@ struct pipe_context *i915_create( struct i915_winsys *winsys )
    i915_init_region_functions(i915);
    i915_init_surface_functions(i915);
    i915_init_state_functions(i915);
+   i915_init_flush_functions(i915);
+
+
+   /* Batch stream debugging is a bit hacked up at the moment:
+    */
+   i915->batch_start = winsys->batch_start( winsys, 0, 0 );
+
 
    /*
     * XXX we could plug GL selection/feedback into the drawing pipeline
diff --git a/src/mesa/pipe/i915simple/i915_context.h b/src/mesa/pipe/i915simple/i915_context.h
index 060997bfa4..dab5423190 100644
--- a/src/mesa/pipe/i915simple/i915_context.h
+++ b/src/mesa/pipe/i915simple/i915_context.h
@@ -53,12 +53,13 @@ struct i915_context
    struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
    struct pipe_setup_state setup;
    struct pipe_stencil_state stencil;
-   struct pipe_texture_object *texture[PIPE_MAX_SAMPLERS];
+   struct pipe_mipmap_tree *texture[PIPE_MAX_SAMPLERS];
    struct pipe_viewport_state viewport;
    GLuint dirty;
 
-   struct pipe_scissor_state cliprect;
+   GLuint *batch_start;
 
+   struct pipe_scissor_state cliprect;
 };
 
 #define I915_NEW_VIEWPORT      0x1
@@ -104,6 +105,7 @@ void i915_init_buffer_functions( struct i915_context *i915 );
 void i915_init_region_functions( struct i915_context *i915 );
 void i915_init_surface_functions( struct i915_context *i915 );
 void i915_init_state_functions( struct i915_context *i915 );
+void i915_init_flush_functions( struct i915_context *i915 );
 
 
 
diff --git a/src/mesa/pipe/i915simple/i915_flush.c b/src/mesa/pipe/i915simple/i915_flush.c
new file mode 100644
index 0000000000..1cf945e9a2
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_flush.c
@@ -0,0 +1,82 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/* Author:
+ *    Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "pipe/p_defines.h"
+#include "i915_context.h"
+#include "i915_reg.h"
+#include "i915_batch.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
+ * flags to indicate what type of flush is required.
+ */
+static void i915_flush( struct pipe_context *pipe,
+			unsigned flags )
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   /* Do we need to emit an MI_FLUSH command to flush the hardware
+    * caches?
+    */
+   if (flags) {
+      unsigned flush = MI_FLUSH;
+      
+      if (!(flags & PIPE_FLUSH_RENDER_CACHE))
+	 flush |= INHIBIT_FLUSH_RENDER_CACHE;
+
+      if (flags & PIPE_FLUSH_TEXTURE_CACHE)
+	 flush |= FLUSH_MAP_CACHE;
+
+      BEGIN_BATCH( 1, 0 );
+      OUT_BATCH( flush );
+      ADVANCE_BATCH();
+   }
+
+   /* If there are no flags, just flush pending commands to hardware:
+    */
+   FLUSH_BATCH();
+}
+
+static void i915_finish(struct pipe_context *pipe)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915_flush( pipe, 0 );
+   i915->winsys->batch_wait_idle( i915->winsys );
+}
+
+
+void i915_init_flush_functions( struct i915_context *i915 )
+{
+   i915->pipe.flush = i915_flush;
+   i915->pipe.finish = i915_finish;
+}
diff --git a/src/mesa/pipe/p_context.h b/src/mesa/pipe/p_context.h
index 3062eda329..23961f4b8f 100644
--- a/src/mesa/pipe/p_context.h
+++ b/src/mesa/pipe/p_context.h
@@ -219,6 +219,10 @@ struct pipe_context {
                                     struct pipe_mipmap_tree *mt );
 
 
+   void (*flush)( struct pipe_context *pipe,
+		  unsigned flags );
+
+   void (*finish)( struct pipe_context *pipe );
 };
 
 
diff --git a/src/mesa/pipe/p_defines.h b/src/mesa/pipe/p_defines.h
index 77512f8818..9eb4c37434 100644
--- a/src/mesa/pipe/p_defines.h
+++ b/src/mesa/pipe/p_defines.h
@@ -176,4 +176,11 @@
 #define PIPE_MAP_WRITE        2
 #define PIPE_MAP_READ_WRITE   3
 
+
+/** 
+ * Flush types:
+ */
+#define PIPE_FLUSH_RENDER_CACHE  0x1
+#define PIPE_FLUSH_TEXTURE_CACHE  0x2
+
 #endif
diff --git a/src/mesa/pipe/softpipe/Makefile b/src/mesa/pipe/softpipe/Makefile
index feb167405a..ac83da451d 100644
--- a/src/mesa/pipe/softpipe/Makefile
+++ b/src/mesa/pipe/softpipe/Makefile
@@ -7,6 +7,7 @@ LIBNAME = softpipe
 DRIVER_SOURCES = \
 	sp_buffer.c \
 	sp_clear.c \
+	sp_flush.c \
 	sp_context.c \
 	sp_prim_setup.c \
 	sp_quad.c \
diff --git a/src/mesa/pipe/softpipe/sp_buffer.c b/src/mesa/pipe/softpipe/sp_buffer.c
index f3a4718449..27443421a3 100644
--- a/src/mesa/pipe/softpipe/sp_buffer.c
+++ b/src/mesa/pipe/softpipe/sp_buffer.c
@@ -32,6 +32,7 @@
 #include <stdlib.h>
 #include "sp_context.h"
 #include "sp_winsys.h"
+#include "sp_buffer.h"
 
 
 
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index ac5651f9a7..ebc994670a 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -36,6 +36,7 @@
 #include "sp_buffer.h"
 #include "sp_clear.h"
 #include "sp_context.h"
+#include "sp_flush.h"
 #include "sp_prim_setup.h"
 #include "sp_region.h"
 #include "sp_state.h"
@@ -214,6 +215,8 @@ struct pipe_context *softpipe_create( struct softpipe_winsys *sws )
    softpipe->pipe.draw_vb = softpipe_draw_vb;
    softpipe->pipe.draw_vertices = softpipe_draw_vertices;
    softpipe->pipe.clear = softpipe_clear;
+   softpipe->pipe.flush = softpipe_flush;
+   softpipe->pipe.finish = softpipe_finish;
    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
new file mode 100644
index 0000000000..aa609469a6
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_flush.c
@@ -0,0 +1,57 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/* Author:
+ *    Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "pipe/p_defines.h"
+#include "sp_flush.h"
+#include "sp_context.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
+ * flags to indicate what type of flush is required.
+ */
+void
+softpipe_flush( struct pipe_context *pipe,
+		unsigned flags )
+{
+   /* - flush the quad pipeline
+    * - flush the texture cache
+    * - flush the render cache
+    */
+}
+
+void
+softpipe_finish(struct pipe_context *pipe)
+{
+   /* Just calls into flush()
+    */
+   softpipe_flush( pipe, 0 );
+}
diff --git a/src/mesa/pipe/softpipe/sp_flush.h b/src/mesa/pipe/softpipe/sp_flush.h
new file mode 100644
index 0000000000..5e204f87a5
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_flush.h
@@ -0,0 +1,36 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#ifndef SP_FLUSH_H
+#define SP_FLUSH_H
+
+struct pipe_context;
+
+void softpipe_finish(struct pipe_context *pipe);
+void softpipe_flush(struct pipe_context *pipe, unsigned flags );
+
+#endif