1 files changed, 101 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_surface.h b/src/mesa/pipe/softpipe/sp_surface.h
new file mode 100644
index 0000000000..3ba732cebe
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_surface.h
@@ -0,0 +1,101 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/* Authors:  Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#ifndef SP_SURFACE_H
+#define SP_SURFACE_H
+
+#include "glheader.h"
+#include "sp_headers.h"
+
+struct softpipe_surface;
+
+#define G_SURFACE_RGBA_8888  0x1
+
+
+/**
+ * Softpipe surface is derived from pipe_surface.
+ */
+struct softpipe_surface {
+   struct pipe_surface surface;
+
+   /**
+    * Functions for read/writing surface data
+    */
+   void (*read_quad_f)( struct softpipe_surface *,
+			GLint x, GLint y,
+			GLfloat (*rgba)[NUM_CHANNELS] );
+
+   void (*read_quad_f_swz)( struct softpipe_surface *,
+			    GLint x, GLint y,
+			    GLfloat (*rrrr)[QUAD_SIZE] );
+
+   void (*read_quad_ub)( struct softpipe_surface *,
+			 GLint x, GLint y,
+			 GLubyte (*rgba)[NUM_CHANNELS] );
+
+
+   void (*write_quad_f)( struct softpipe_surface *,
+			 GLint x, GLint y,
+			 GLfloat (*rgba)[NUM_CHANNELS] );
+
+   void (*write_quad_f_swz)( struct softpipe_surface *,
+			     GLint x, GLint y,
+			     GLfloat (*rrrr)[QUAD_SIZE] );
+
+
+   void (*write_quad_ub)( struct softpipe_surface *,
+			  GLint x, GLint y,
+			  GLubyte (*rgba)[NUM_CHANNELS] );
+
+   void (*write_mono_row_ub)( struct softpipe_surface *,
+                              GLuint count, GLint x, GLint y,
+                              GLubyte rgba[NUM_CHANNELS] );
+
+   void (*read_quad_z)(struct softpipe_surface *,
+                       GLint x, GLint y, GLuint zzzz[QUAD_SIZE]);
+   void (*write_quad_z)(struct softpipe_surface *,
+                        GLint x, GLint y, const GLuint zzzz[QUAD_SIZE]);
+
+   void (*read_quad_stencil)(struct softpipe_surface *,
+                             GLint x, GLint y, GLubyte ssss[QUAD_SIZE]);
+   void (*write_quad_stencil)(struct softpipe_surface *,
+                              GLint x, GLint y, const GLubyte ssss[QUAD_SIZE]);
+};
+
+
+/** Cast wrapper */
+static INLINE struct softpipe_surface *
+softpipe_surface(struct pipe_surface *ps)
+{
+   return (struct softpipe_surface *) ps;
+}
+
+
+#endif /* SP_SURFACE_H */