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  1. /*
  2.  * Mesa 3-D graphics library
  3.  * Version:  7.5
  4.  *
  5.  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  6.  * Copyright (C) 2009  VMware, Inc.   All Rights Reserved.
  7.  *
  8.  * Permission is hereby granted, free of charge, to any person obtaining a
  9.  * copy of this software and associated documentation files (the "Software"),
  10.  * to deal in the Software without restriction, including without limitation
  11.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12.  * and/or sell copies of the Software, and to permit persons to whom the
  13.  * Software is furnished to do so, subject to the following conditions:
  14.  *
  15.  * The above copyright notice and this permission notice shall be included
  16.  * in all copies or substantial portions 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 MERCHANTABILITY,
  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24.  */
  25.  
  26.  
  27. #ifndef VIEWPORT_H
  28. #define VIEWPORT_H
  29.  
  30. #include "glheader.h"
  31.  
  32. struct gl_context;
  33.  
  34. extern void GLAPIENTRY
  35. _mesa_Viewport(GLint x, GLint y, GLsizei width, GLsizei height);
  36.  
  37.  
  38. extern void
  39. _mesa_set_viewport(struct gl_context *ctx, GLint x, GLint y,
  40.                    GLsizei width, GLsizei height);
  41.  
  42.  
  43. extern void GLAPIENTRY
  44. _mesa_DepthRange(GLclampd nearval, GLclampd farval);
  45.  
  46. extern void GLAPIENTRY
  47. _mesa_DepthRangef(GLclampf nearval, GLclampf farval);
  48.  
  49.  
  50. extern void
  51. _mesa_init_viewport(struct gl_context *ctx);
  52.  
  53.  
  54. extern void
  55. _mesa_free_viewport_data(struct gl_context *ctx);
  56.  
  57.  
  58. #endif
  59.