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      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  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     22  * CONNECTION WITH THE SOFTWARE OR THE USE OR 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 
     34 extern struct gl_framebuffer *
     35 _mesa_create_framebuffer(const struct gl_config *visual);
     36 
     37 extern struct gl_framebuffer *
     38 _mesa_new_framebuffer(struct gl_context *ctx, GLuint name);
     39 
     40 extern void
     41 _mesa_initialize_window_framebuffer(struct gl_framebuffer *fb,
     42 				     const struct gl_config *visual);
     43 
     44 extern void
     45 _mesa_initialize_user_framebuffer(struct gl_framebuffer *fb, GLuint name);
     46 
     47 extern void
     48 _mesa_destroy_framebuffer(struct gl_framebuffer *buffer);
     49 
     50 extern void
     51 _mesa_free_framebuffer_data(struct gl_framebuffer *buffer);
     52 
     53 extern void
     54 _mesa_reference_framebuffer_(struct gl_framebuffer **ptr,
     55                              struct gl_framebuffer *fb);
     56 
     57 static inline void
     58 _mesa_reference_framebuffer(struct gl_framebuffer **ptr,
     59                             struct gl_framebuffer *fb)
     60 {
     61    if (*ptr != fb)
     62       _mesa_reference_framebuffer_(ptr, fb);
     63 }
     64 
     65 extern void
     66 _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
     67                          GLuint width, GLuint height);
     68 
     69 
     70 extern void
     71 _mesa_resizebuffers( struct gl_context *ctx );
     72 
     73 extern void GLAPIENTRY
     74 _mesa_ResizeBuffersMESA( void );
     75 
     76 
     77 extern void
     78 _mesa_update_draw_buffer_bounds(struct gl_context *ctx);
     79 
     80 extern void
     81 _mesa_update_framebuffer_visual(struct gl_context *ctx,
     82 				struct gl_framebuffer *fb);
     83 
     84 extern void
     85 _mesa_update_framebuffer(struct gl_context *ctx);
     86 
     87 extern GLboolean
     88 _mesa_source_buffer_exists(struct gl_context *ctx, GLenum format);
     89 
     90 extern GLboolean
     91 _mesa_dest_buffer_exists(struct gl_context *ctx, GLenum format);
     92 
     93 extern GLenum
     94 _mesa_get_color_read_type(struct gl_context *ctx);
     95 
     96 extern GLenum
     97 _mesa_get_color_read_format(struct gl_context *ctx);
     98 
     99 extern void
    100 _mesa_print_framebuffer(const struct gl_framebuffer *fb);
    101 
    102 #endif /* FRAMEBUFFER_H */
    103