src/mesa/main/viewport.h

   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
  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