1 files changed, 101 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_softpipe.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_softpipe.c
new file mode 100644
index 0000000000..04def600f4
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_softpipe.c
@@ -0,0 +1,101 @@
+/**************************************************************************
+ * 
+ * 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 <pipe/p_winsys.h>
+#include <pipe/p_screen.h>
+#include <pipe/p_defines.h>
+#include <pipe/p_format.h>
+#include <softpipe/sp_winsys.h>
+#include <util/u_memory.h>
+#include "nouveau_context.h"
+#include "nouveau_winsys_pipe.h"
+
+struct nouveau_softpipe_winsys {
+   struct softpipe_winsys sws;
+   struct nouveau_context *nv;
+};
+
+/**
+ * Return list of surface formats supported by this driver.
+ */
+static boolean
+nouveau_is_format_supported(struct softpipe_winsys *sws,
+                            enum pipe_format format)
+{
+	switch (format) {
+	case PIPE_FORMAT_A8R8G8B8_UNORM:
+	case PIPE_FORMAT_R5G6B5_UNORM:
+	case PIPE_FORMAT_Z24S8_UNORM:
+		return TRUE;
+	default:
+		break;
+	};
+
+	return FALSE;
+}
+
+struct pipe_context *
+nouveau_create_softpipe(struct nouveau_context *nv)
+{
+	struct nouveau_softpipe_winsys *nvsws;
+	struct pipe_screen *pscreen;
+	struct pipe_winsys *ws;
+	struct pipe_context *pipe;
+
+	ws = nouveau_create_pipe_winsys(nv);
+	if (!ws)
+		return NULL;
+	pscreen = softpipe_create_screen(ws);
+	if (!pscreen) {
+		ws->destroy(ws);
+		return NULL;
+	}
+	nvsws = CALLOC_STRUCT(nouveau_softpipe_winsys);
+	if (!nvsws) {
+		ws->destroy(ws);
+		pscreen->destroy(pscreen);
+		return NULL;
+	}
+
+	nvsws->sws.is_format_supported = nouveau_is_format_supported;
+	nvsws->nv = nv;
+
+	pipe = softpipe_create(pscreen, ws, &nvsws->sws);
+	if (!pipe) {
+		ws->destroy(ws);
+		pscreen->destroy(pscreen);
+		FREE(nvsws);
+		return NULL;
+	}
+
+	return pipe;
+}
+