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 35 _mesa_set_viewport(struct gl_context *ctx, unsigned idx, GLfloat x, GLfloat y, 36 GLfloat width, GLfloat height); 37 38 extern void 39 _mesa_set_depth_range(struct gl_context *ctx, unsigned idx, 40 GLclampd nearval, GLclampd farval); 41 42 extern void 43 _mesa_init_viewport(struct gl_context *ctx); 44 45 extern void 46 _mesa_get_viewport_xform(struct gl_context *ctx, unsigned i, 47 float scale[3], float translate[3]); 48 49 #endif 50