1 files changed, 111 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
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+++ b/src/mesa/state_tracker/st_context.h
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+/**************************************************************************
+ * 
+ * Copyright 2003 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 ST_CONTEXT_H
+#define ST_CONTEXT_H
+
+#include "mtypes.h"
+#include "softpipe/sp_state.h"
+
+
+struct st_context;
+struct st_region;
+struct st_texture_object;
+struct st_texture_image;
+struct st_fragment_program;
+
+#define ST_NEW_MESA                    0x1 /* Mesa state has changed */
+#define ST_NEW_FRAGMENT_PROGRAM        0x2
+
+struct st_state_flags {
+   GLuint mesa;
+   GLuint st;
+};
+
+struct st_tracked_state {
+   struct st_state_flags dirty;
+   void (*update)( struct st_context *st );
+};
+
+
+
+
+struct st_context
+{
+   GLcontext *ctx;
+
+   struct softpipe_context *softpipe;
+
+   /* Eventually will use a cache to feed the softpipe with
+    * create/bind/delete calls to constant state objects.  Not yet
+    * though, we just shove random objects across the interface.  
+    */
+   struct {
+      struct softpipe_viewport     viewport;
+      struct softpipe_setup_state  setup;
+      struct softpipe_fs_state     fs;
+      struct softpipe_blend_state  blend;
+      struct softpipe_surface      cbuf;
+      struct softpipe_clip_state   clip;
+      struct softpipe_depth_state  depth;
+      struct softpipe_scissor_rect scissor;
+      struct softpipe_poly_stipple poly_stipple;
+      struct softpipe_stencil_state stencil;
+   } state;
+
+   struct {
+      struct st_tracked_state tracked_state;
+   } constants;
+
+   struct {
+      struct gl_fragment_program *fragment_program;
+   } cb;
+
+   /* State to be validated:
+    */
+   struct st_tracked_state **atoms;
+   GLuint nr_atoms;
+
+   struct st_state_flags dirty;
+
+   /* Counter to track program string changes:
+    */
+   GLuint program_id;
+
+   GLfloat polygon_offset_scale; /* ?? */
+};
+
+
+/* Need this so that we can implement Mesa callbacks in this module.
+ */
+static INLINE struct st_context *st_context(GLcontext *ctx)
+{
+   return ctx->st;
+}
+
+
+#endif