1 | #include "Nv.h" |
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2 | #include "NvShader.h" |
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3 | #include "NvParticleRenderer.h" |
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4 | #include "NvColorTableRenderer.h" |
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5 | #include "NvEventLog.h" |
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6 | #include "VolumeRenderer.h" |
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7 | #include "Grid.h" |
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8 | #include <R2/R2FilePath.h> |
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9 | #include <stdio.h> |
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10 | #include <stdlib.h> |
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11 | #include <assert.h> |
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12 | #include <imgLoaders/BMPImageLoaderImpl.h> |
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13 | #include <imgLoaders/ImageLoaderFactory.h> |
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14 | #include "PointSetRenderer.h" |
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15 | |
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16 | extern void NvInitCG(); // in NvShader.cpp |
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17 | |
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18 | NvParticleRenderer* g_particleRenderer; |
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19 | NvColorTableRenderer* g_color_table_renderer; |
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20 | PointSetRenderer* g_pointset_renderer; |
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21 | VolumeRenderer* g_vol_render; |
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22 | R2Fonts* g_fonts; |
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23 | Grid* g_grid; |
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24 | |
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25 | |
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26 | //query opengl information |
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27 | static void NvPrintSystemInfo() |
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28 | { |
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29 | fprintf(stderr, "-----------------------------------------------------------\n"); |
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30 | fprintf(stderr, "OpenGL driver: %s %s\n", glGetString(GL_VENDOR), glGetString(GL_VERSION)); |
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31 | fprintf(stderr, "Graphics hardware: %s\n", glGetString(GL_RENDERER)); |
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32 | fprintf(stderr, "-----------------------------------------------------------\n"); |
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33 | } |
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34 | |
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35 | void NvCgErrorCallback(void) |
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36 | { |
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37 | CGerror lastError = cgGetError(); |
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38 | if(lastError) { |
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39 | const char *listing = cgGetLastListing(g_context); |
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40 | printf("\n---------------------------------------------------\n"); |
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41 | printf("%s\n\n", cgGetErrorString(lastError)); |
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42 | printf("%s\n", listing); |
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43 | printf("-----------------------------------------------------\n"); |
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44 | printf("Cg error, exiting...\n"); |
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45 | cgDestroyContext(g_context); |
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46 | exit(-1); |
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47 | } |
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48 | } |
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49 | |
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50 | |
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51 | void NvInitGLEW() |
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52 | { |
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53 | GLenum err = glewInit(); |
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54 | if (GLEW_OK != err) { |
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55 | //glew init failed, exit. |
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56 | fprintf(stderr, "Error: %s\n", glewGetErrorString(err)); |
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57 | getchar(); |
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58 | assert(false); |
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59 | } |
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60 | fprintf(stdout, "Status: Using GLEW %s\n", glewGetString(GLEW_VERSION)); |
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61 | } |
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62 | |
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63 | //init line integral convolution |
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64 | |
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65 | |
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66 | //init line integral convolution |
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67 | void NvInitLIC() |
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68 | { |
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69 | /* |
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70 | g_lic = new Lic(NMESH, win_width, win_height, 0.3, g_context, volume[1]->id, |
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71 | volume[1]->aspect_ratio_width, |
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72 | volume[1]->aspect_ratio_height, |
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73 | volume[1]->aspect_ratio_depth); |
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74 | */ |
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75 | } |
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76 | |
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77 | void NvInitParticle() |
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78 | { |
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79 | /* |
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80 | //random placement on a slice |
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81 | float* data = new float[g_particleRenderer->psys_width * g_particleRenderer->psys_height * 4]; |
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82 | bzero(data, sizeof(float)*4* g_particleRenderer->psys_width * g_particleRenderer->psys_height); |
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83 | |
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84 | int index; |
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85 | bool particle; |
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86 | for (int i=0; i<g_particleRenderer->psys_width; i++) { |
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87 | for (int j=0; j<g_particleRenderer->psys_height; j++) { |
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88 | index = i + g_particleRenderer->psys_height*j; |
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89 | particle = rand() % 256 > 150; |
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90 | if(particle) |
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91 | { |
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92 | //assign any location (x,y,z) in range [0,1] |
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93 | data[4*index] = lic_slice_x; |
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94 | data[4*index+1]= j/float(g_particleRenderer->psys_height); |
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95 | data[4*index+2]= i/float(g_particleRenderer->psys_width); |
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96 | data[4*index+3]= 30; //shorter life span, quicker iterations |
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97 | } |
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98 | else |
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99 | { |
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100 | data[4*index] = 0; |
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101 | data[4*index+1]= 0; |
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102 | data[4*index+2]= 0; |
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103 | data[4*index+3]= 0; |
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104 | } |
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105 | } |
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106 | } |
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107 | |
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108 | g_particleRenderer->initialize((Particle*)data); |
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109 | delete[] data; |
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110 | */ |
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111 | } |
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112 | |
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113 | //init the particle system using vector field volume->[1] |
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114 | void NvInitParticleRenderer() |
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115 | { |
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116 | /* |
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117 | g_particleRenderer = new NvParticleRenderer(NMESH, NMESH, g_context, |
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118 | volume[1]->id, |
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119 | 1./volume[1]->aspect_ratio_width, |
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120 | 1./volume[1]->aspect_ratio_height, |
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121 | 1./volume[1]->aspect_ratio_depth); |
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122 | |
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123 | NvInitParticle(); |
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124 | */ |
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125 | } |
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126 | |
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127 | void NvInitVolumeRenderer() |
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128 | { |
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129 | } |
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130 | |
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131 | void NvInitPointSetRenderer() |
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132 | { |
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133 | g_pointset_renderer = new PointSetRenderer(); |
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134 | } |
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135 | |
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136 | void NvInit(char* path) |
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137 | { |
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138 | if (path != NULL) { |
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139 | R2FilePath::getInstance()->setPath(path); |
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140 | } |
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141 | |
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142 | NvPrintSystemInfo(); |
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143 | NvInitGLEW(); |
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144 | NvInitCG(); |
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145 | |
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146 | g_fonts = new R2Fonts(); |
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147 | g_fonts->addFont("verdana", "verdana.fnt"); |
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148 | g_fonts->setFont("verdana"); |
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149 | |
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150 | //g_color_table_renderer = new NvColorTableRenderer(); |
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151 | // INSOO |
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152 | //g_color_table_renderer->setFonts(g_fonts); |
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153 | // |
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154 | |
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155 | ImageLoaderFactory::getInstance()->addLoaderImpl("bmp", new BMPImageLoaderImpl()); |
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156 | |
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157 | g_grid = new Grid(); |
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158 | g_grid->setFont(g_fonts); |
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159 | |
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160 | NvInitVolumeRenderer(); |
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161 | NvInitPointSetRenderer(); |
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162 | NvInitParticleRenderer(); |
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163 | |
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164 | printf("Nanovis GL Initialized\n"); |
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165 | } |
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166 | |
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167 | void NvExit() |
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168 | { |
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169 | if (g_particleRenderer) |
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170 | { |
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171 | delete g_particleRenderer; |
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172 | g_particleRenderer; |
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173 | } |
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174 | |
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175 | #ifdef EVENTLOG |
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176 | NvExitEventLog(); |
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177 | #endif |
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178 | |
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179 | #ifdef XINETD |
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180 | NvExitService(); |
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181 | #endif |
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182 | |
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183 | } |
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184 | |
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