src/mesa/main/viewport.h

   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