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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (C) 1999-2006  Brian Paul   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 "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice shall be included
  14.  * in all copies or substantial portions of the Software.
  15.  *
  16.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22.  * OTHER DEALINGS IN THE SOFTWARE.
  23.  */
  24.  
  25.  
  26. #ifndef FRAMEBUFFER_H
  27. #define FRAMEBUFFER_H
  28.  
  29. #include "glheader.h"
  30.  
  31. struct gl_config;
  32. struct gl_context;
  33. struct gl_renderbuffer;
  34.  
  35. extern struct gl_framebuffer *
  36. _mesa_create_framebuffer(const struct gl_config *visual);
  37.  
  38. extern struct gl_framebuffer *
  39. _mesa_new_framebuffer(struct gl_context *ctx, GLuint name);
  40.  
  41. extern void
  42. _mesa_initialize_window_framebuffer(struct gl_framebuffer *fb,
  43.                                      const struct gl_config *visual);
  44.  
  45. extern void
  46. _mesa_initialize_user_framebuffer(struct gl_framebuffer *fb, GLuint name);
  47.  
  48. extern void
  49. _mesa_destroy_framebuffer(struct gl_framebuffer *buffer);
  50.  
  51. extern void
  52. _mesa_free_framebuffer_data(struct gl_framebuffer *buffer);
  53.  
  54. extern void
  55. _mesa_reference_framebuffer_(struct gl_framebuffer **ptr,
  56.                              struct gl_framebuffer *fb);
  57.  
  58. static inline void
  59. _mesa_reference_framebuffer(struct gl_framebuffer **ptr,
  60.                             struct gl_framebuffer *fb)
  61. {
  62.    if (*ptr != fb)
  63.       _mesa_reference_framebuffer_(ptr, fb);
  64. }
  65.  
  66. extern void
  67. _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
  68.                          GLuint width, GLuint height);
  69.  
  70.  
  71. extern void
  72. _mesa_resizebuffers( struct gl_context *ctx );
  73.  
  74. extern void
  75. _mesa_update_draw_buffer_bounds(struct gl_context *ctx);
  76.  
  77. extern void
  78. _mesa_update_framebuffer_visual(struct gl_context *ctx,
  79.                                 struct gl_framebuffer *fb);
  80.  
  81. extern void
  82. _mesa_update_framebuffer(struct gl_context *ctx);
  83.  
  84. extern GLboolean
  85. _mesa_source_buffer_exists(struct gl_context *ctx, GLenum format);
  86.  
  87. extern GLboolean
  88. _mesa_dest_buffer_exists(struct gl_context *ctx, GLenum format);
  89.  
  90. extern GLenum
  91. _mesa_get_color_read_type(struct gl_context *ctx);
  92.  
  93. extern GLenum
  94. _mesa_get_color_read_format(struct gl_context *ctx);
  95.  
  96. extern struct gl_renderbuffer *
  97. _mesa_get_read_renderbuffer_for_format(const struct gl_context *ctx,
  98.                                        GLenum format);
  99.  
  100. extern void
  101. _mesa_print_framebuffer(const struct gl_framebuffer *fb);
  102.  
  103. #endif /* FRAMEBUFFER_H */
  104.