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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  5.  * Copyright (C) 2009  VMware, Inc.   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 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. extern void GLAPIENTRY
  38. _mesa_ViewportArrayv(GLuint first, GLsizei count, const GLfloat * v);
  39.  
  40. extern void GLAPIENTRY
  41. _mesa_ViewportIndexedf(GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h);
  42.  
  43. extern void GLAPIENTRY
  44. _mesa_ViewportIndexedfv(GLuint index, const GLfloat * v);
  45.  
  46. extern void
  47. _mesa_set_viewport(struct gl_context *ctx, unsigned idx, GLfloat x, GLfloat y,
  48.                    GLfloat width, GLfloat height);
  49.  
  50.  
  51. extern void GLAPIENTRY
  52. _mesa_DepthRange(GLclampd nearval, GLclampd farval);
  53.  
  54. extern void GLAPIENTRY
  55. _mesa_DepthRangef(GLclampf nearval, GLclampf farval);
  56.  
  57. extern void GLAPIENTRY
  58. _mesa_DepthRangeArrayv(GLuint first, GLsizei count, const GLclampd * v);
  59.  
  60. extern void GLAPIENTRY
  61. _mesa_DepthRangeIndexed(GLuint index, GLclampd n, GLclampd f);
  62.  
  63. extern void
  64. _mesa_set_depth_range(struct gl_context *ctx, unsigned idx,
  65.                       GLclampd nearval, GLclampd farval);
  66.  
  67. extern void
  68. _mesa_init_viewport(struct gl_context *ctx);
  69.  
  70.  
  71. extern void GLAPIENTRY
  72. _mesa_ClipControl(GLenum origin, GLenum depth);
  73.  
  74. extern void
  75. _mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
  76.                          double scale[3], double translate[3]);
  77.  
  78. #endif
  79.