Lift common winsys functions into pipe's new p_winsys.

1 files changed, 79 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/intel_winsys/intel_winsys_softpipe.c b/src/mesa/drivers/dri/intel_winsys/intel_winsys_softpipe.c
new file mode 100644
index 0000000000..917e933641
--- /dev/null
+++ b/src/mesa/drivers/dri/intel_winsys/intel_winsys_softpipe.c
@@ -0,0 +1,79 @@
+/**************************************************************************
+ * 
+ * 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 "imports.h"
+#include "intel_context.h"
+#include "intel_winsys.h"
+#include "pipe/softpipe/sp_winsys.h"
+#include "pipe/p_defines.h"
+
+
+
+struct intel_softpipe_winsys {
+   struct softpipe_winsys sws;
+   struct intel_context *intel;
+};
+
+/**
+ * Return list of surface formats supported by this driver.
+ */
+static const unsigned *
+intel_supported_formats(struct softpipe_winsys *sws, 
+			unsigned *numFormats)
+{
+   static const GLuint formats[] = {
+      PIPE_FORMAT_U_A8_R8_G8_B8,
+      PIPE_FORMAT_U_R5_G6_B5,
+      PIPE_FORMAT_S8_Z24,
+   };
+
+   *numFormats = sizeof(formats) / sizeof(formats[0]);
+   return formats;
+}
+
+
+
+struct pipe_context *
+intel_create_softpipe( struct intel_context *intel )
+{
+   struct intel_softpipe_winsys *isws = CALLOC_STRUCT( intel_softpipe_winsys );
+   
+   /* Fill in this struct with callbacks that softpipe will need to
+    * communicate with the window system, buffer manager, etc. 
+    */
+   isws->sws.supported_formats = intel_supported_formats;
+   isws->intel = intel;
+
+   /* Create the softpipe context:
+    */
+   return softpipe_create( intel_create_pipe_winsys( intel ),
+			   &isws->sws );
+}