Home | History | Annotate | Download | only in state_tracker 
      1 /**************************************************************************
      2  *
      3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 
     29 #ifndef ST_CB_FBO_H
     30 #define ST_CB_FBO_H
     31 
     32 #include "main/compiler.h"
     33 #include "main/glheader.h"
     34 #include "main/mtypes.h"
     35 
     36 #include "pipe/p_compiler.h"
     37 #include "pipe/p_format.h"
     38 
     39 struct dd_function_table;
     40 struct pipe_context;
     41 
     42 /**
     43  * Derived renderbuffer class.  Just need to add a pointer to the
     44  * pipe surface.
     45  */
     46 struct st_renderbuffer
     47 {
     48    struct gl_renderbuffer Base;
     49    struct pipe_resource *texture;
     50    struct pipe_surface *surface; /* temporary view into texture */
     51    GLboolean defined;        /**< defined contents? */
     52 
     53    struct pipe_transfer *transfer; /**< only used when mapping the resource */
     54 
     55    /**
     56     * Used only when hardware accumulation buffers are not supported.
     57     */
     58    boolean software;
     59    void *data;
     60 
     61    struct st_texture_object *rtt;  /**< GL render to texture's texture */
     62    int rtt_level, rtt_face, rtt_slice;
     63 };
     64 
     65 
     66 static INLINE struct st_renderbuffer *
     67 st_renderbuffer(struct gl_renderbuffer *rb)
     68 {
     69    return (struct st_renderbuffer *) rb;
     70 }
     71 
     72 
     73 extern struct gl_renderbuffer *
     74 st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
     75 
     76 extern void
     77 st_init_fbo_functions(struct dd_function_table *functions);
     78 
     79 extern GLboolean
     80 st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth,
     81                              const struct gl_renderbuffer_attachment *stencil);
     82 
     83 
     84 #endif /* ST_CB_FBO_H */
     85