[580] | 1 | #include "Nv.h" |
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| 2 | #include "NvShader.h" |
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[587] | 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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[776] | 7 | #include "Grid.h" |
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[580] | 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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[825] | 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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[580] | 15 | |
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| 16 | extern void NvInitCG(); // in NvShader.cpp |
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| 17 | |
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[587] | 18 | NvParticleRenderer* g_particleRenderer; |
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| 19 | NvColorTableRenderer* g_color_table_renderer; |
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[825] | 20 | PointSetRenderer* g_pointset_renderer; |
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[587] | 21 | VolumeRenderer* g_vol_render; |
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| 22 | R2Fonts* g_fonts; |
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[776] | 23 | Grid* g_grid; |
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[587] | 24 | |
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[825] | 25 | |
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[580] | 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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[587] | 63 | //init line integral convolution |
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[825] | 64 | |
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| 65 | |
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| 66 | //init line integral convolution |
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[587] | 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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[825] | 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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[755] | 136 | void NvInit(char* path) |
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[580] | 137 | { |
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[755] | 138 | if (path != NULL) { |
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| 139 | R2FilePath::getInstance()->setPath(path); |
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| 140 | } |
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[582] | 141 | |
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[580] | 142 | NvPrintSystemInfo(); |
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| 143 | NvInitGLEW(); |
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| 144 | NvInitCG(); |
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[587] | 145 | |
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| 146 | g_fonts = new R2Fonts(); |
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[776] | 147 | g_fonts->addFont("verdana", "verdana.fnt"); |
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| 148 | g_fonts->setFont("verdana"); |
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[587] | 149 | |
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[603] | 150 | //g_color_table_renderer = new NvColorTableRenderer(); |
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[601] | 151 | // INSOO |
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| 152 | //g_color_table_renderer->setFonts(g_fonts); |
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[825] | 153 | // |
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[587] | 154 | |
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[825] | 155 | ImageLoaderFactory::getInstance()->addLoaderImpl("bmp", new BMPImageLoaderImpl()); |
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| 156 | |
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[776] | 157 | g_grid = new Grid(); |
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| 158 | g_grid->setFont(g_fonts); |
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| 159 | |
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[587] | 160 | NvInitVolumeRenderer(); |
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[825] | 161 | NvInitPointSetRenderer(); |
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[587] | 162 | NvInitParticleRenderer(); |
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[582] | 163 | |
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| 164 | printf("Nanovis GL Initialized\n"); |
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[580] | 165 | } |
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| 166 | |
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| 167 | void NvExit() |
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| 168 | { |
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[587] | 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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[580] | 183 | } |
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[587] | 184 | |
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