Checkpoint of a super-simplified i915 driver in the pipe model.

Doesn't yet compile, but when it does, it will only draw gouraud tris
and even those will be as simple as possible.  Needs some 'winsys' support
also before that can happen.

1 files changed, 121 insertions, 0 deletions

diff --git a/src/mesa/pipe/i915simple/i915_buffer.c b/src/mesa/pipe/i915simple/i915_buffer.c
new file mode 100644
index 0000000000..eaaf3c1beb
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_buffer.c
@@ -0,0 +1,121 @@
+/**************************************************************************
+ * 
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * 
+ **************************************************************************/
+/*
+ * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ */
+
+#include <stdlib.h>
+#include "i915_context.h"
+#include "i915_winsys.h"
+
+
+
+/* Most callbacks map direcly onto winsys operations at the moment,
+ * but this may change, especially as state_trackers and winsys's
+ * evolve in separate directions...  Don't try and remove this yet.
+ */
+static struct pipe_buffer_handle *
+i915_create_buffer(struct pipe_context *pipe, 
+		 unsigned alignment,
+		 unsigned flags)
+{
+   struct i915_context *i915 = i915_context( pipe );
+   return i915->winsys->create_buffer( i915->winsys, alignment );
+}
+
+static void *i915_buffer_map(struct pipe_context *pipe, 
+			     struct pipe_buffer_handle *buf,
+			     unsigned flags )
+{
+   struct i915_context *i915 = i915_context( pipe );
+   return i915->winsys->buffer_map( i915->winsys, buf );
+}
+
+static void i915_buffer_unmap(struct pipe_context *pipe, 
+			    struct pipe_buffer_handle *buf)
+{
+   struct i915_context *i915 = i915_context( pipe );
+   i915->winsys->buffer_unmap( i915->winsys, buf );
+}
+
+static struct pipe_buffer_handle *
+i915_buffer_reference(struct pipe_context *pipe,
+		    struct pipe_buffer_handle *buf)
+{
+   struct i915_context *i915 = i915_context( pipe );
+   return i915->winsys->buffer_reference( i915->winsys, buf );
+}
+
+static void i915_buffer_unreference(struct pipe_context *pipe, 
+				  struct pipe_buffer_handle **buf)
+{
+   struct i915_context *i915 = i915_context( pipe );
+   i915->winsys->buffer_unreference( i915->winsys, buf );
+}
+
+static void i915_buffer_data(struct pipe_context *pipe, 
+			   struct pipe_buffer_handle *buf,
+			   unsigned size, const void *data )
+{
+   struct i915_context *i915 = i915_context( pipe );
+   i915->winsys->buffer_data( i915->winsys, buf, size, data );
+}
+
+static void i915_buffer_subdata(struct pipe_context *pipe, 
+				 struct pipe_buffer_handle *buf,
+				 unsigned long offset, 
+				 unsigned long size, 
+				 const void *data)
+{
+   struct i915_context *i915 = i915_context( pipe );
+   i915->winsys->buffer_subdata( i915->winsys, buf, offset, size, data );
+}
+
+static void i915_buffer_get_subdata(struct pipe_context *pipe, 
+				  struct pipe_buffer_handle *buf,
+				  unsigned long offset, 
+				  unsigned long size, 
+				  void *data)
+{
+   struct i915_context *i915 = i915_context( pipe );
+   i915->winsys->buffer_get_subdata( i915->winsys, buf, offset, size, data );
+}
+
+
+void
+i915_init_buffer_functions( struct i915_context *i915 )
+{
+   i915->pipe.create_buffer = i915_create_buffer;
+   i915->pipe.buffer_map = i915_buffer_map;
+   i915->pipe.buffer_unmap = i915_buffer_unmap;
+   i915->pipe.buffer_reference = i915_buffer_reference;
+   i915->pipe.buffer_unreference = i915_buffer_unreference;
+   i915->pipe.buffer_data = i915_buffer_data;
+   i915->pipe.buffer_subdata = i915_buffer_subdata;
+   i915->pipe.buffer_get_subdata = i915_buffer_get_subdata;
+}