Planet
navi homePPSaboutscreenshotsdownloaddevelopmentforum

source: orxonox.OLD/trunk/src/lib/graphics/shader.cc @ 10312

Last change on this file since 10312 was 10143, checked in by bensch, 18 years ago

Shader fixing

File size: 2.4 KB
RevLine 
[4744]1/*
[1853]2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
[1855]10
11   ### File Specific:
[5261]12   main-programmer: Benjamin Grauer
[1855]13   co-programmer: ...
[1853]14*/
15
[3955]16//#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_
[1853]17
[5261]18#include "shader.h"
[1853]19
[5273]20#include "compiler.h"
[8037]21//#include <stdio.h>
22#include <fstream>
23
[5262]24#include "debug.h"
25
26
[5323]27
[8037]28#ifndef PARSELINELENGTH
29#define PARSELINELENGTH     512       //!< how many chars to read at once
[5262]30#endif
31
[1853]32
[9869]33ObjectListDefinition(Shader);
[1856]34
[9869]35void Shader::Uniform::setV(unsigned int count, float* vv) const
[3365]36{
[10118]37        if (Shader::isSupported())
[9869]38  switch (count)
[5322]39  {
[9869]40    case 1:
41    glUniform1fv(this->uniform, 1, vv);
42    break;
43    case 2:
44    glUniform2fv(this->uniform, 2, vv);
45    break;
46    case 3:
47    glUniform3fv(this->uniform, 3, vv);
48    break;
49    case 4:
50    glUniform4fv(this->uniform, 4, vv);
51    break;
[5322]52  }
[3543]53}
[10143]54
[9869]55void Shader::Uniform::setV(unsigned int count, int* vv) const
[5323]56{
[10118]57        if (Shader::isSupported())
[9869]58  switch (count)
[5262]59  {
[9869]60    case 1:
61    glUniform1iv(this->uniform, 1, vv);
62    break;
63    case 2:
64    glUniform2iv(this->uniform, 2, vv);
65    break;
66    case 3:
67    glUniform3iv(this->uniform, 3, vv);
68    break;
69    case 4:
70    glUniform4iv(this->uniform, 4, vv);
71    break;
[5263]72  }
[9869]73}
[5262]74
[5266]75
[10118]76Shader::Shader(const Shader& shader)
77  : data(shader.data)
78{
[5273]79
[10118]80}
81
82
83
[9869]84Shader::Shader()
[10142]85  : data(new ShaderData)
[5261]86{
[5266]87
[8037]88}
[5266]89
[9869]90/**
91 * standard constructor
92*/
93Shader::Shader (const std::string& vertexShaderFile, const std::string& fragmentShaderFile)
94  : data(new ShaderData)
[8037]95{
[9869]96  if (!Shader::checkShaderAbility())
97    PRINTF(2)("Your system does not support shaders\n");
98  this->load(vertexShaderFile, fragmentShaderFile);
[5318]99}
100
[9869]101const Shader* Shader::storedShader = NULL;
[5318]102
[9869]103void Shader::activateShader() const
[5266]104{
[9869]105  if (likely (this->getProgram() != 0))
[5317]106  {
[9869]107    glUseProgramObjectARB(this->getProgram());
[5317]108    Shader::storedShader = this;
109  }
[5261]110}
[5266]111void Shader::deactivateShader()
112{
[9869]113  if (storedShader != NULL)
114    glUseProgramObjectARB(0);
115  Shader::storedShader = NULL;
[5266]116}
[5262]117
[5333]118bool Shader::checkShaderAbility()
119{
120  if (GLEW_ARB_shader_objects &&
121      GLEW_ARB_shading_language_100 &&
122      GLEW_ARB_vertex_shader &&
123      GLEW_ARB_fragment_shader)
124    return true;
125  else
126    return false;
127}
[5264]128
[5262]129
Note: See TracBrowser for help on using the repository browser.