1 files changed, 71 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.h b/src/mesa/state_tracker/st_cb_fbo.h
new file mode 100644
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+++ b/src/mesa/state_tracker/st_cb_fbo.h
@@ -0,0 +1,71 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 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_CB_FBO_H
+#define ST_CB_FBO_H
+
+
+#define DEFAULT_ACCUM_PIPE_FORMAT PIPE_FORMAT_R16G16B16A16_SNORM
+
+
+
+/**
+ * Derived renderbuffer class.  Just need to add a pointer to the
+ * pipe surface.
+ */
+struct st_renderbuffer
+{
+   struct gl_renderbuffer Base;
+   struct pipe_texture *texture;
+   struct pipe_surface *surface; /* temporary view into texture */
+   enum pipe_format format;  /** preferred format, or PIPE_FORMAT_NONE */
+
+   struct st_texture_object *rtt;  /**< GL render to texture's texture */
+   int rtt_level, rtt_face, rtt_slice;
+
+   /** Render to texture state */
+   struct pipe_texture *texture_save;
+   struct pipe_surface *surface_save;
+};
+
+
+static INLINE struct st_renderbuffer *
+st_renderbuffer(struct gl_renderbuffer *rb)
+{
+   return (struct st_renderbuffer *) rb;
+}
+
+
+extern struct gl_renderbuffer *
+st_new_renderbuffer_fb(enum pipe_format format, int samples);
+
+extern void
+st_init_fbo_functions(struct dd_function_table *functions);
+
+
+#endif /* ST_CB_FBO_H */