| 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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| 2 | /* |
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| 3 | * ====================================================================== |
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| 4 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
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| 5 | * Purdue Rendering and Perceptualization Lab (PURPL) |
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| 6 | * |
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| 7 | * Copyright (c) 2004-2006 Purdue Research Foundation |
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| 8 | * |
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| 9 | * See the file "license.terms" for information on usage and |
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| 10 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 11 | * ====================================================================== |
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| 12 | */ |
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| 13 | #ifndef GLOBAL_H |
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| 14 | #define GLOBAL_H |
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| 15 | |
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| 16 | #include <GL/glew.h> |
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| 17 | #include <Cg/cgGL.h> |
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| 18 | |
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| 19 | #include "Trace.h" |
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| 20 | |
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| 21 | inline void |
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| 22 | draw_quad(int w, int h, int tw, int th) |
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| 23 | { |
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| 24 | glBegin(GL_QUADS); |
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| 25 | glTexCoord2f(0, 0); glVertex2f(0, 0); |
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| 26 | glTexCoord2f((float)tw, 0); glVertex2f((float)w, 0); |
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| 27 | glTexCoord2f((float)tw, (float)th); glVertex2f((float)w, (float) h); |
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| 28 | glTexCoord2f(0, (float)th); glVertex2f(0, (float) h); |
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| 29 | glEnd(); |
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| 30 | } |
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| 31 | |
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| 32 | //query opengl information |
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| 33 | inline void |
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| 34 | system_info() |
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| 35 | { |
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| 36 | TRACE("-----------------------------------------------------------\n"); |
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| 37 | TRACE("OpenGL driver: %s %s\n", glGetString(GL_VENDOR), |
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| 38 | glGetString(GL_VERSION)); |
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| 39 | TRACE("Graphics hardware: %s\n", glGetString(GL_RENDERER)); |
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| 40 | TRACE("-----------------------------------------------------------\n"); |
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| 41 | } |
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| 42 | |
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| 43 | extern CGprogram LoadCgSourceProgram(CGcontext context, const char *filename, |
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| 44 | CGprofile profile, const char *entryPoint); |
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| 45 | |
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| 46 | #endif |
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