reactos/dll/opengl/mesa/src/mesa/state_tracker/st_cb_fbo.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
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   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
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
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  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.
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  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  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    enum pipe_format format;  /** preferred format, or PIPE_FORMAT_NONE */
  52    GLboolean defined;        /**< defined contents? */
  53
  54    struct pipe_transfer *transfer; /**< only used when mapping the resource */
  55
  56    /**
  57     * Used only when hardware accumulation buffers are not supported.
  58     */
  59    boolean software;
  60    size_t stride;
  61    void *data;
  62
  63    struct st_texture_object *rtt;  /**< GL render to texture's texture */
  64    int rtt_level, rtt_face, rtt_slice;
  65 };
  66
  67
  68 static INLINE struct st_renderbuffer *
  69 st_renderbuffer(struct gl_renderbuffer *rb)
  70 {
  71    return (struct st_renderbuffer *) rb;
  72 }
  73
  74
  75 extern struct gl_renderbuffer *
  76 st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw);
  77
  78 extern void
  79 st_init_fbo_functions(struct dd_function_table *functions);
  80
  81 extern GLboolean
  82 st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth,
  83                              const struct gl_renderbuffer_attachment *stencil);
  84
  85
  86 #endif /* ST_CB_FBO_H */