1 | #require <gl\gl.sbp> |
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2 | #require <gl\glu.sbp> |
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3 | |
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4 | /* |
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5 | Const PFD_TYPE_RGBA = 0 |
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6 | Const PFD_TYPE_COLORINDEX = 1 |
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7 | |
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8 | Const PFD_MAIN_PLANE = 0 |
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9 | Const PFD_OVERLAY_PLANE = 1 |
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10 | Const PFD_UNDERLAY_PLANE = (-1) |
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11 | |
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12 | Const PFD_DOUBLEBUFFER = &H00000001 |
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13 | Const PFD_STEREO = &H00000002 |
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14 | Const PFD_DRAW_TO_WINDOW = &H00000004 |
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15 | Const PFD_DRAW_TO_BITMAP = &H00000008 |
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16 | Const PFD_SUPPORT_GDI = &H00000010 |
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17 | Const PFD_SUPPORT_OPENGL = &H00000020 |
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18 | Const PFD_GENERIC_FORMAT = &H00000040 |
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19 | Const PFD_NEED_PALETTE = &H00000080 |
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20 | Const PFD_NEED_SYSTEM_PALETTE = &H00000100 |
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21 | Const PFD_SWAP_EXCHANGE = &H00000200 |
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22 | Const PFD_SWAP_COPY = &H00000400 |
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23 | Const PFD_SWAP_LAYER_BUFFERS = &H00000800 |
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24 | Const PFD_GENERIC_ACCELERATED = &H00001000 |
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25 | Const PFD_SUPPORT_DIRECTDRAW = &H00002000 |
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26 | |
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27 | Const PFD_DEPTH_DONTCARE = &H20000000 |
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28 | Const PFD_DOUBLEBUFFER_DONTCARE = &H40000000 |
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29 | Const PFD_STEREO_DONTCARE = &H80000000 |
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30 | |
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31 | Type PIXELFORMATDESCRIPTOR |
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32 | nSize As Word |
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33 | nVersion As Word |
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34 | dwFlags As DWord |
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35 | iPixelType As Byte |
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36 | cColorBits As Byte |
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37 | cRedBits As Byte |
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38 | cRedShift As Byte |
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39 | cGreenBits As Byte |
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40 | cGreenShift As Byte |
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41 | cBlueBits As Byte |
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42 | cBlueShift As Byte |
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43 | cAlphaBits As Byte |
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44 | cAlphaShift As Byte |
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45 | cAccumBits As Byte |
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46 | cAccumRedBits As Byte |
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47 | cAccumGreenBits As Byte |
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48 | cAccumBlueBits As Byte |
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49 | cAccumAlphaBits As Byte |
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50 | cDepthBits As Byte |
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51 | cStencilBits As Byte |
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52 | cAuxBuffers As Byte |
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53 | iLayerType As Byte |
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54 | bReserved As Byte |
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55 | dwLayerMask As DWord |
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56 | dwVisibleMask As DWord |
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57 | dwDamageMask As DWord |
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58 | End Type |
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59 | */ |
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60 | |
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61 | Namespace ActiveBasic |
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62 | Namespace OpenGL |
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63 | |
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64 | Class AlphaTestManager |
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65 | Public |
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66 | Sub AlphaFunction(func As DWord) |
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67 | glAlphaFunc(func,ReferenceAlpha()) |
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68 | End Sub |
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69 | Function AlphaFunction() As DWord |
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70 | glGetIntegerv(GL_ALPHA_TEST_FUNC,VarPtr(AlphaFunction)) |
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71 | End Function |
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72 | Sub ReferenceAlpha(ref As Single) |
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73 | glAlphaFunc(AlphaFunction,ref) |
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74 | End Sub |
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75 | Function ReferenceAlpha() As Single |
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76 | glGetFloatv(GL_ALPHA_TEST_REF,VarPtr(ReferenceAlpha)) |
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77 | End Function |
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78 | End Class |
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79 | |
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80 | Class BlendManager |
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81 | Public |
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82 | Sub Destination(dest As DWord) |
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83 | glBlendFunc(Source(),dest) |
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84 | End Sub |
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85 | Function Destination() As DWord |
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86 | glGetIntegerv(GL_BLEND_DST,VarPtr(Destination)) |
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87 | End Function |
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88 | Sub Source(src As DWord) |
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89 | glBlendFunc(src,Destination()) |
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90 | End Sub |
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91 | Function Source() As DWord |
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92 | glGetIntegerv(GL_BLEND_SRC,VarPtr(Source)) |
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93 | End Function |
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94 | End Class |
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95 | |
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96 | Class ClientStateManager |
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97 | Public |
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98 | Sub ColorArrayEnable(enable As Boolean) |
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99 | setEnable(GL_COLOR_ARRAY,enable) |
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100 | End Sub |
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101 | Function ColorArrayEnable() As Boolean |
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102 | Return getEnable(GL_COLOR_ARRAY) |
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103 | End Function |
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104 | Sub EdgeFlagArrayEnable(enable As Boolean) |
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105 | setEnable(GL_EDGE_FLAG_ARRAY,enable) |
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106 | End Sub |
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107 | Function EdgeFlagArrayEnable() As Boolean |
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108 | Return getEnable(GL_EDGE_FLAG_ARRAY) |
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109 | End Function |
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110 | Sub IndexArrayEnable(enable As Boolean) |
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111 | setEnable(GL_INDEX_ARRAY,enable) |
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112 | End Sub |
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113 | Function IndexArrayEnable() As Boolean |
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114 | Return getEnable(GL_INDEX_ARRAY) |
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115 | End Function |
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116 | Sub NormalArrayEnable(enable As Boolean) |
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117 | setEnable(GL_NORMAL_ARRAY,enable) |
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118 | End Sub |
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119 | Function NormalArrayEnable() As Boolean |
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120 | Return getEnable(GL_NORMAL_ARRAY) |
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121 | End Function |
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122 | Sub TextureCoordArrayEnable(enable As Boolean) |
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123 | setEnable(GL_TEXTURE_COORD_ARRAY,enable) |
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124 | End Sub |
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125 | Function TextureCoordArrayEnable() As Boolean |
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126 | Return getEnable(GL_TEXTURE_COORD_ARRAY) |
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127 | End Function |
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128 | Sub VertexArrayEnable(enable As Boolean) |
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129 | setEnable(GL_VERTEX_ARRAY,enable) |
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130 | End Sub |
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131 | Function VertexArrayEnable() As Boolean |
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132 | Return getEnable(GL_VERTEX_ARRAY) |
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133 | End Function |
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134 | |
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135 | Private |
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136 | Sub setEnable(cap As DWord, enable As Boolean) |
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137 | If enable Then |
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138 | glEnable(cap) |
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139 | Else |
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140 | glDisable(cap) |
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141 | End If |
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142 | End Sub |
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143 | Function getEnable(cap As DWord) As Boolean |
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144 | Dim b As Byte |
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145 | glGetBooleanv(cap,VarPtr(b)) |
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146 | Return b |
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147 | End Function |
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148 | End Class |
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149 | |
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150 | Class FogManager |
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151 | Public |
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152 | Sub Density(dens As Single) |
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153 | glFogf(GL_FOG_DENSITY,dens) |
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154 | End Sub |
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155 | Function Density() As Single |
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156 | glGetFloatv(GL_FOG_DENSITY,VarPtr(Density)) |
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157 | End Function |
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158 | Sub End(end As Single) |
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159 | glFogf(GL_FOG_END,end) |
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160 | End Sub |
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161 | Function End() As Single |
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162 | glGetFloatv(GL_FOG_END,VarPtr(End)) |
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163 | End Function |
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164 | Sub Mode(mode As DWord) |
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165 | glFogi(GL_FOG_MODE,mode) |
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166 | End Sub |
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167 | Function Mode() As DWord |
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168 | glGetIntegerv(GL_FOG_MODE,VarPtr(Mode)) |
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169 | End Function |
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170 | Sub Start(start As Single) |
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171 | glFogf(GL_FOG_START,start) |
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172 | End Sub |
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173 | Function Start() As Single |
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174 | glGetFloatv(GL_FOG_START,VarPtr(Start)) |
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175 | End Function |
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176 | |
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177 | Public |
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178 | Sub FogColor(red As Single, green As Single, blue As Single, alpha As Single) |
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179 | Dim c[3] As Single |
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180 | glFogfv(GL_FOG_COLOR,c) |
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181 | End Sub |
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182 | |
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183 | Private |
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184 | End Class |
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185 | |
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186 | Class ServerStateManager |
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187 | Public |
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188 | Sub AlphaTestEnable(enable As Boolean) |
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189 | setEnable(GL_ALPHA_TEST,enable) |
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190 | End Sub |
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191 | Function AlphaTestEnable() As Boolean |
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192 | Return getEnable(GL_ALPHA_TEST) |
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193 | End Function |
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194 | Sub AutoNormalEnable(enable As Boolean) |
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195 | setEnable(GL_AUTO_NORMAL,enable) |
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196 | End Sub |
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197 | Function AutoNormalEnable() As Boolean |
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198 | Return getEnable(GL_AUTO_NORMAL) |
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199 | End Function |
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200 | Sub BlendEnable(enable As Boolean) |
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201 | setEnable(GL_BLEND,enable) |
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202 | End Sub |
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203 | Function BlendEnable() As Boolean |
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204 | Return getEnable(GL_BLEND) |
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205 | End Function |
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206 | Sub CullFaceEnable(enable As Boolean) |
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207 | setEnable(GL_CULL_FACE,enable) |
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208 | End Sub |
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209 | Function CullFaceEnable() As Boolean |
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210 | Return getEnable(GL_CULL_FACE) |
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211 | End Function |
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212 | Sub DepthTestEnable(enable As Boolean) |
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213 | setEnable(GL_DEPTH_TEST,enable) |
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214 | End Sub |
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215 | Function DepthTestEnable() As Boolean |
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216 | Return getEnable(GL_DEPTH_TEST) |
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217 | End Function |
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218 | Sub FogEnable(enable As Boolean) |
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219 | setEnable(GL_FOG,enable) |
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220 | End Sub |
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221 | Function FogEnable() As Boolean |
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222 | Return getEnable(GL_FOG) |
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223 | End Function |
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224 | Sub LightingEnable(enable As Boolean) |
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225 | setEnable(GL_LIGHTING,enable) |
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226 | End Sub |
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227 | Function LightingEnable() As Boolean |
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228 | Return getEnable(GL_LIGHTING) |
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229 | End Function |
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230 | Sub LineSmoothEnable(enable As Boolean) |
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231 | setEnable(GL_LINE_SMOOTH,enable) |
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232 | End Sub |
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233 | Function LineSmoothEnable() As Boolean |
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234 | Return getEnable(GL_LINE_SMOOTH) |
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235 | End Function |
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236 | Sub LineStippleEnable(enable As Boolean) |
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237 | setEnable(GL_LINE_STIPPLE,enable) |
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238 | End Sub |
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239 | Function LineStippleEnable() As Boolean |
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240 | Return getEnable(GL_LINE_STIPPLE) |
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241 | End Function |
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242 | Sub NormalizeEnable(enable As Boolean) |
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243 | setEnable(GL_NORMALIZE,enable) |
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244 | End Sub |
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245 | Function NormalizeEnable() As Boolean |
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246 | Return getEnable(GL_NORMALIZE) |
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247 | End Function |
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248 | Sub PointSmoothEnable(enable As Boolean) |
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249 | setEnable(GL_POINT_SMOOTH,enable) |
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250 | End Sub |
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251 | Function PointSmoothEnable() As Boolean |
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252 | Return getEnable(GL_POINT_SMOOTH) |
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253 | End Function |
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254 | Sub PolygonSmoothEnable(enable As Boolean) |
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255 | setEnable(GL_POLYGON_SMOOTH,enable) |
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256 | End Sub |
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257 | Function PolygonSmoothEnable() As Boolean |
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258 | Return getEnable(GL_POLYGON_SMOOTH) |
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259 | End Function |
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260 | Sub StencilTestEnable(enable As Boolean) |
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261 | setEnable(GL_STENCIL_TEST,enable) |
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262 | End Sub |
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263 | Function StencilTestEnable() As Boolean |
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264 | Return getEnable(GL_STENCIL_TEST) |
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265 | End Function |
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266 | Sub Texture1DEnable(enable As Boolean) |
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267 | setEnable(GL_TEXTURE_1D,enable) |
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268 | End Sub |
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269 | Function Texture1DEnable() As Boolean |
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270 | Return getEnable(GL_TEXTURE_1D) |
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271 | End Function |
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272 | Sub Texture2DEnable(enable As Boolean) |
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273 | setEnable(GL_TEXTURE_2D,enable) |
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274 | End Sub |
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275 | Function Texture2DEnable() As Boolean |
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276 | Return getEnable(GL_TEXTURE_2D) |
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277 | End Function |
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278 | |
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279 | Private |
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280 | Sub setEnable(cap As DWord, enable As Boolean) |
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281 | If enable Then |
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282 | glEnable(cap) |
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283 | Else |
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284 | glDisable(cap) |
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285 | End If |
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286 | End Sub |
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287 | Function getEnable(cap As DWord) As Boolean |
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288 | Dim b As Byte |
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289 | glGetBooleanv(cap,VarPtr(b)) |
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290 | Return b |
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291 | End Function |
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292 | End Class |
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293 | |
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294 | |
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295 | Class Context |
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296 | Public /* constructor & destructor */ |
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297 | Sub Context(hdc As HDC) |
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298 | Dim pfd = [ |
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299 | SizeOf(PIXELFORMATDESCRIPTOR), ' size of this pfd |
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300 | 1, ' version number |
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301 | PFD_DRAW_TO_WINDOW or_ ' support window |
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302 | PFD_SUPPORT_OPENGL or_ ' support OpenGL |
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303 | PFD_DOUBLEBUFFER, ' double buffered |
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304 | PFD_TYPE_RGBA, ' RGBA type |
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305 | 32, ' 24-bit color depth |
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306 | 0, 0, 0, 0, 0, 0, ' color bits ignored |
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307 | 8, ' 8-bit alpha buffer |
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308 | 0, ' shift bit ignored |
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309 | 0, ' no accumulation buffer |
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310 | 0, 0, 0, 0, ' accum bits ignored |
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311 | 32, ' 32-bit z-buffer |
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312 | 8, ' 8-bit stencil buffer |
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313 | 0, ' no auxiliary buffer |
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314 | PFD_MAIN_PLANE, ' main layer |
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315 | 0, ' reserved |
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316 | 0, 0, 0 |
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317 | ] As PIXELFORMATDESCRIPTOR |
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318 | |
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319 | |
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320 | Dim pfmt As Long |
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321 | |
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322 | pfmt=ChoosePixelFormat(hdc, pfd) |
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323 | If pfmt = 0 Then |
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324 | OutputDebugString(Ex"ChoosePixelFormat failed\n") |
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325 | 'Throw |
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326 | End If |
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327 | |
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328 | If SetPixelFormat(hdc, pfmt, pfd) = FALSE Then |
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329 | OutputDebugString(Ex"SetPixelFormat failed\n") |
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330 | 'MessageBox("SetPixelFormat failed"); |
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331 | 'Throw |
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332 | End If |
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333 | |
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334 | hrc = wglCreateContext(hdc) |
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335 | wglMakeCurrent(hdc, hrc) |
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336 | |
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337 | End Sub |
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338 | Sub ~Context() |
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339 | wglMakeCurrent(NULL, NULL) |
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340 | wglDeleteContext(hrc) |
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341 | End Sub |
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342 | |
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343 | Public /* property */ |
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344 | Function AlphaTest() As AlphaTestManager |
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345 | Return New AlphaTestManager |
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346 | End Function |
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347 | Function ClientState() As ClientStateManager |
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348 | Return New ClientStateManager |
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349 | End Function |
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350 | Function Fog() As FogManager |
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351 | Return New FogManager |
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352 | End Function |
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353 | Function ServerState() As ServerStateManager |
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354 | Return New ServerStateManager |
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355 | End Function |
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356 | |
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357 | Public /* method */ |
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358 | Sub Clear(mask As DWord) |
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359 | glClear(mask) |
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360 | End Sub |
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361 | Sub ClearAccum(red As Single, green As Single, blue As Single, alpha As Single) |
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362 | glClearAccum(red,green,blue,alpha) |
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363 | End Sub |
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364 | Sub ClearColor(red As Single, green As Single, blue As Single, alpha As Single) |
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365 | glClearColor(red,green,blue,alpha) |
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366 | End Sub |
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367 | Sub ClearDepth(depth As Single) |
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368 | glClearDepth(depth) |
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369 | End Sub |
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370 | Sub ClearIndex(index As Single) |
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371 | glClearIndex(index) |
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372 | End Sub |
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373 | Sub ClearStencil() |
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374 | End Sub |
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375 | Sub Begin(mode As DWord) |
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376 | glBegin(mode) |
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377 | End Sub |
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378 | Sub End() |
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379 | glEnd() |
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380 | End Sub |
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381 | |
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382 | Sub SwapBuffer() |
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383 | SwapBuffers(wglGetCurrentDC()) |
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384 | End Sub |
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385 | Private |
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386 | hrc As HGLRC |
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387 | End Class |
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388 | |
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389 | End Namespace |
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390 | End Namespace |
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