src/mesa/main/framebuffer.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5
   4  *
   5  * Copyright (C) 1999-2006  Brian Paul   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 "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27 #ifndef FRAMEBUFFER_H
  28 #define FRAMEBUFFER_H
  29
  30 #include "glheader.h"
  31
  32 struct gl_config;
  33 struct gl_context;
  34 struct gl_renderbuffer;
  35
  36 extern struct gl_framebuffer *
  37 _mesa_create_framebuffer(const struct gl_config *visual);
  38
  39 extern struct gl_framebuffer *
  40 _mesa_new_framebuffer(struct gl_context *ctx, GLuint name);
  41
  42 extern void
  43 _mesa_initialize_window_framebuffer(struct gl_framebuffer *fb,
  44                                      const struct gl_config *visual);
  45
  46 extern void
  47 _mesa_initialize_user_framebuffer(struct gl_framebuffer *fb, GLuint name);
  48
  49 extern void
  50 _mesa_destroy_framebuffer(struct gl_framebuffer *buffer);
  51
  52 extern void
  53 _mesa_free_framebuffer_data(struct gl_framebuffer *buffer);
  54
  55 extern void
  56 _mesa_reference_framebuffer_(struct gl_framebuffer **ptr,
  57                              struct gl_framebuffer *fb);
  58
  59 static inline void
  60 _mesa_reference_framebuffer(struct gl_framebuffer **ptr,
  61                             struct gl_framebuffer *fb)
  62 {
  63    if (*ptr != fb)
  64       _mesa_reference_framebuffer_(ptr, fb);
  65 }
  66
  67 extern void
  68 _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
  69                          GLuint width, GLuint height);
  70
  71
  72 extern void
  73 _mesa_resizebuffers( struct gl_context *ctx );
  74
  75 extern void GLAPIENTRY
  76 _mesa_ResizeBuffersMESA( void );
  77
  78
  79 extern void
  80 _mesa_update_draw_buffer_bounds(struct gl_context *ctx);
  81
  82 extern void
  83 _mesa_update_framebuffer_visual(struct gl_context *ctx,
  84                                 struct gl_framebuffer *fb);
  85
  86 extern void
  87 _mesa_update_framebuffer(struct gl_context *ctx);
  88
  89 extern GLboolean
  90 _mesa_source_buffer_exists(struct gl_context *ctx, GLenum format);
  91
  92 extern GLboolean
  93 _mesa_dest_buffer_exists(struct gl_context *ctx, GLenum format);
  94
  95 extern GLenum
  96 _mesa_get_color_read_type(struct gl_context *ctx);
  97
  98 extern GLenum
  99 _mesa_get_color_read_format(struct gl_context *ctx);
 100
 101 extern struct gl_renderbuffer *
 102 _mesa_get_read_renderbuffer_for_format(const struct gl_context *ctx,
 103                                        GLenum format);
 104
 105 extern void
 106 _mesa_print_framebuffer(const struct gl_framebuffer *fb);
 107
 108 #endif /* FRAMEBUFFER_H */