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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2007 VMware, Inc.
  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 VMWARE 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.    /* Inputs from Driver.RenderTexture, don't use directly. */
  62.    boolean is_rtt; /**< whether Driver.RenderTexture was called */
  63.    unsigned rtt_face, rtt_slice;
  64.    boolean rtt_layered; /**< whether glFramebufferTexture was called */
  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_update_renderbuffer_surface(struct st_context *st,
  80.                                struct st_renderbuffer *strb);
  81.  
  82. extern void
  83. st_init_fbo_functions(struct dd_function_table *functions);
  84.  
  85. #endif /* ST_CB_FBO_H */
  86.