svga: Add svga driver

1 files changed, 95 insertions, 0 deletions

diff --git a/src/gallium/drivers/svga/svga_state.h b/src/gallium/drivers/svga/svga_state.h
new file mode 100644
index 00000000000..22d5a6d552a
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_state.h
@@ -0,0 +1,95 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc.  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, sublicense, 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 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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 SVGA_STATE_H
+#define SVGA_STATE_H
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_defines.h"
+
+struct svga_context;
+
+
+void svga_init_state( struct svga_context *svga );
+void svga_destroy_state( struct svga_context *svga );
+
+
+struct svga_tracked_state {
+   const char *name;
+   unsigned dirty;
+   int (*update)( struct svga_context *svga, unsigned dirty );
+};
+
+/* NEED_SWTNL
+ */
+extern struct svga_tracked_state svga_update_need_swvfetch;
+extern struct svga_tracked_state svga_update_need_pipeline;
+extern struct svga_tracked_state svga_update_need_swtnl;
+
+/* HW_CLEAR
+ */
+extern struct svga_tracked_state svga_hw_viewport;
+extern struct svga_tracked_state svga_hw_scissor;
+extern struct svga_tracked_state svga_hw_framebuffer;
+
+/* HW_DRAW
+ */
+extern struct svga_tracked_state svga_hw_vs;
+extern struct svga_tracked_state svga_hw_fs;
+extern struct svga_tracked_state svga_hw_rss;
+extern struct svga_tracked_state svga_hw_tss;
+extern struct svga_tracked_state svga_hw_tss_binding;
+extern struct svga_tracked_state svga_hw_clip_planes;
+extern struct svga_tracked_state svga_hw_vdecl;
+extern struct svga_tracked_state svga_hw_fs_parameters;
+extern struct svga_tracked_state svga_hw_vs_parameters;
+extern struct svga_tracked_state svga_hw_update_zero_stride;
+
+/* SWTNL_DRAW
+ */
+extern struct svga_tracked_state svga_update_swtnl_draw;
+extern struct svga_tracked_state svga_update_swtnl_vdecl;
+
+/* Bring the hardware fully up-to-date so that we can emit draw
+ * commands.
+ */
+#define SVGA_STATE_NEED_SWTNL        0
+#define SVGA_STATE_HW_CLEAR          1
+#define SVGA_STATE_HW_DRAW           2
+#define SVGA_STATE_SWTNL_DRAW        3
+#define SVGA_STATE_MAX               4
+
+
+enum pipe_error svga_update_state( struct svga_context *svga,
+                                   unsigned level );
+
+void svga_update_state_retry( struct svga_context *svga,
+                              unsigned level );
+
+
+enum pipe_error svga_emit_initial_state( struct svga_context *svga );
+
+#endif