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      1 
      2 /**************************************************************************
      3  *
      4  * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
      5  * All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the
      9  * "Software"), to deal in the Software without restriction, including
     10  * without limitation the rights to use, copy, modify, merge, publish,
     11  * distribute, sub license, and/or sell copies of the Software, and to
     12  * permit persons to whom the Software is furnished to do so, subject to
     13  * the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the
     16  * next paragraph) shall be included in all copies or substantial portions
     17  * of the Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     26  *
     27  **************************************************************************/
     28 
     29 #ifndef INTEL_BUFFERS_H
     30 #define INTEL_BUFFERS_H
     31 
     32 #include "dri_util.h"
     33 #include "drm.h"
     34 #include "intel_context.h"
     35 
     36 struct intel_context;
     37 struct intel_framebuffer;
     38 
     39 extern struct intel_region *intel_readbuf_region(struct intel_context *intel);
     40 
     41 extern struct intel_region *intel_drawbuf_region(struct intel_context *intel);
     42 
     43 extern void intel_check_front_buffer_rendering(struct intel_context *intel);
     44 
     45 static inline void
     46 intel_draw_buffer(struct gl_context * ctx)
     47 {
     48    struct intel_context *intel = intel_context(ctx);
     49 
     50    intel->vtbl.update_draw_buffer(intel);
     51 }
     52 
     53 extern void intelInitBufferFuncs(struct dd_function_table *functions);
     54 #ifdef I915
     55 void intelCalcViewport(struct gl_context * ctx);
     56 #endif
     57 
     58 #endif /* INTEL_BUFFERS_H */
     59