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_DepthRangeArrayfvOES(GLuint first, GLsizei count, const GLfloat * v); 62 63 extern void GLAPIENTRY 64 _mesa_DepthRangeIndexed(GLuint index, GLclampd n, GLclampd f); 65 66 extern void GLAPIENTRY 67 _mesa_DepthRangeIndexedfOES(GLuint index, GLfloat n, GLfloat f); 68 69 extern void 70 _mesa_set_depth_range(struct gl_context *ctx, unsigned idx, 71 GLclampd nearval, GLclampd farval); 72 73 extern void 74 _mesa_init_viewport(struct gl_context *ctx); 75 76 77 extern void GLAPIENTRY 78 _mesa_ClipControl(GLenum origin, GLenum depth); 79 80 extern void 81 _mesa_get_viewport_xform(struct gl_context *ctx, unsigned i, 82 float scale[3], float translate[3]); 83 84 #endif 85
