Mercurial > games > semicongine

annotate tests/test_vulkan_wrapper.nim @ 784:fa39e67dded7

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add: first complete working version of multiple materials and shaders per scene, yipie :)
author Sam <sam@basx.dev>
date Sat, 19 Aug 2023 22:24:06 +0700
parents 893ec0fbfd44
children cbfe96272205
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import std/tables
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2
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3 import semicongine
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4
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5
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6 let
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7 sampler = Sampler(
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8 magnification: VK_FILTER_NEAREST,
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9 minification: VK_FILTER_NEAREST,
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10 wrapModeS: VK_SAMPLER_ADDRESS_MODE_REPEAT,
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11 wrapModeT: VK_SAMPLER_ADDRESS_MODE_REPEAT,
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12 )
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13 (R, W) = ([255'u8, 0'u8, 0'u8, 255'u8], [255'u8, 255'u8, 255'u8, 255'u8])
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14 mat = Material(
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15 name: "mat",
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16 materialType: "my_material",
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17 textures: {
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18 "my_little_texture": Texture(image: Image(width: 5, height: 5, imagedata: @[
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19 R, R, R, R, R,
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20 R, R, W, R, R,
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21 R, W, W, W, R,
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22 R, R, W, R, R,
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23 R, R, R, R, R,
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24 ]), sampler: sampler)
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25 }.toTable
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26 )
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27 mat2 = Material(
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28 name: "mat2",
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29 materialType: "my_material",
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30 textures: {
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31 "my_little_texture": Texture(image: Image(width: 5, height: 5, imagedata: @[
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32 R, W, R, W, R,
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33 W, R, W, R, W,
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34 R, W, R, W, R,
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35 W, R, W, R, W,
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36 R, W, R, W, R,
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37 ]), sampler: sampler)
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38 }.toTable
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39 )
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40 mat3 = Material(
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41 name: "mat3",
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42 materialType: "my_special_material",
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43 constants: {
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44 "colors": toGPUValue(newVec4f(0.5, 0.5, 0))
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45 }.toTable
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46 )
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47
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48 proc scene_different_mesh_types(): Entity =
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49 result = newEntity("root", [],
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50 newEntity("triangle1", {"mesh": Component(newMesh(
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51 positions=[newVec3f(0.0, -0.5), newVec3f(0.5, 0.5), newVec3f(-0.5, 0.5)],
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52 colors=[newVec4f(1.0, 0.0, 0.0, 1), newVec4f(0.0, 1.0, 0.0, 1), newVec4f(0.0, 0.0, 1.0, 1)],
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53 material=mat,
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54 ))}),
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55 newEntity("triangle1b", {"mesh": Component(newMesh(
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56 positions=[newVec3f(0.0, -0.4), newVec3f(0.4, 0.4), newVec3f(-0.4, 0.5)],
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57 colors=[newVec4f(1.0, 0.0, 0.0, 1), newVec4f(0.0, 1.0, 0.0, 1), newVec4f(0.0, 0.0, 1.0, 1)],
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58 material=mat,
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59 ))}),
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60 newEntity("triangle2a", {"mesh": Component(newMesh(
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61 positions=[newVec3f(0.0, 0.5), newVec3f(0.5, -0.5), newVec3f(-0.5, -0.5)],
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62 colors=[newVec4f(1.0, 0.0, 0.0, 1), newVec4f(0.0, 1.0, 0.0, 1), newVec4f(0.0, 0.0, 1.0, 1)],
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63 indices=[[0'u16, 2'u16, 1'u16]],
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64 material=mat2,
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65 ))}),
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66 newEntity("triangle2b", {"mesh": Component(newMesh(
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67 positions=[newVec3f(0.0, 0.4), newVec3f(0.4, -0.4), newVec3f(-0.4, -0.4)],
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68 colors=[newVec4f(1.0, 0.0, 0.0, 1), newVec4f(0.0, 1.0, 0.0, 1), newVec4f(0.0, 0.0, 1.0, 1)],
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69 indices=[[0'u16, 2'u16, 1'u16]],
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70 material=mat2,
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71 ))}),
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72 newEntity("triangle3a", {"mesh": Component(newMesh(
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73 positions=[newVec3f(0.4, 0.5), newVec3f(0.9, -0.3), newVec3f(0.0, -0.3)],
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74 colors=[newVec4f(1.0, 1.0, 0.0, 1), newVec4f(1.0, 1.0, 0.0, 1), newVec4f(1.0, 1.0, 0.0, 1)],
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75 indices=[[0'u32, 2'u32, 1'u32]],
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76 autoResize=false,
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77 material=mat2,
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78 ))}),
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79 newEntity("triangle3b", {"mesh": Component(newMesh(
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80 positions=[newVec3f(0.4, 0.5), newVec3f(0.9, -0.3), newVec3f(0.0, -0.3)],
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81 colors=[newVec4f(1.0, 1.0, 0.0, 1), newVec4f(1.0, 1.0, 0.0, 1), newVec4f(1.0, 1.0, 0.0, 1)],
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82 indices=[[0'u32, 2'u32, 1'u32]],
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83 autoResize=false,
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84 material=mat2,
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85 ))}),
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86 )
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87 for mesh in allComponentsOfType[Mesh](result):
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88 mesh.setInstanceData("translate", @[newVec3f()])
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89 result[0]["mesh", Mesh()].updateInstanceData("translate", @[newVec3f(-0.6, -0.6)])
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90 result[1]["mesh", Mesh()].updateInstanceData("translate", @[newVec3f(-0.6, 0.6)])
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91 result[2]["mesh", Mesh()].updateInstanceData("translate", @[newVec3f(0.6, -0.6)])
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92 result[3]["mesh", Mesh()].updateInstanceData("translate", @[newVec3f(0.6, 0.6)])
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93
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94 proc scene_simple(): Entity =
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95 var mymesh1 = newMesh(
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96 positions=[newVec3f(0.0, -0.3), newVec3f(0.3, 0.3), newVec3f(-0.3, 0.3)],
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97 colors=[newVec4f(1.0, 0.0, 0.0, 1), newVec4f(0.0, 1.0, 0.0, 1), newVec4f(0.0, 0.0, 1.0, 1)],
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98 material=mat,
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99 )
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100 var mymesh2 = newMesh(
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101 positions=[newVec3f(0.0, -0.5), newVec3f(0.5, 0.5), newVec3f(-0.5, 0.5)],
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102 colors=[newVec4f(1.0, 0.0, 0.0, 1), newVec4f(0.0, 1.0, 0.0, 1), newVec4f(0.0, 0.0, 1.0, 1)],
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103 material=mat,
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104 )
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105 var mymesh3 = newMesh(
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106 positions=[newVec3f(0.0, -0.6), newVec3f(0.6, 0.6), newVec3f(-0.6, 0.6)],
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107 colors=[newVec4f(1.0, 1.0, 0.0, 1), newVec4f(1.0, 1.0, 0.0, 1), newVec4f(1.0, 1.0, 0.0, 1)],
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108 indices=[[0'u32, 1'u32, 2'u32]],
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109 autoResize=false,
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110 material=mat,
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111 )
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112 var mymesh4 = newMesh(
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113 positions=[newVec3f(0.0, -0.8), newVec3f(0.8, 0.8), newVec3f(-0.8, 0.8)],
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114 colors=[newVec4f(0.0, 0.0, 1.0, 1), newVec4f(0.0, 0.0, 1.0, 1), newVec4f(0.0, 0.0, 1.0, 1)],
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115 indices=[[0'u16, 1'u16, 2'u16]],
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116 instanceCount=2,
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117 material=mat,
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118 )
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119 mymesh1.setInstanceData("translate", @[newVec3f( 0.4, 0.4)])
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120 mymesh2.setInstanceData("translate", @[newVec3f( 0.4, -0.4)])
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121 mymesh3.setInstanceData("translate", @[newVec3f(-0.4, -0.4)])
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122 mymesh4.setInstanceData("translate", @[newVec3f(-0.4, 0.4), newVec3f(0.0, 0.0)])
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123 result = newEntity("root", [], newEntity("triangle", {"mesh1": Component(mymesh4), "mesh2": Component(mymesh3), "mesh3": Component(mymesh2), "mesh4": Component(mymesh1)}))
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124
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125 proc scene_primitives(): Entity =
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126 var r = rect(color="ff0000")
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127 var t = tri(color="0000ff")
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128 var c = circle(color="00ff00")
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129 r.material = mat
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130 t.material = mat
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131 c.material = mat
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132
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133 r.setInstanceData("translate", @[newVec3f(0.5, -0.3)])
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134 t.setInstanceData("translate", @[newVec3f(0.3, 0.3)])
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135 c.setInstanceData("translate", @[newVec3f(-0.3, 0.1)])
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136 result = newEntity("root", {"mesh1": Component(t), "mesh2": Component(r), "mesh3": Component(c)})
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137
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138 proc scene_flag(): Entity =
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139 var r = rect(color="ffffff")
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140 r.material = mat
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141 result = newEntity("root", {"mesh": Component(r)})
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142
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143 proc scene_multi_material(): Entity =
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144 var
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145 r1 = rect(color="ffffff")
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146 r2 = rect(color="000000")
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147 r1.material = mat
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148 r2.material = mat3
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149 r1.setInstanceData("translate", @[newVec3f(-0.5)])
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150 r2.setInstanceData("translate", @[newVec3f(+0.5)])
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151 result = newEntity("root", {"mesh1": Component(r1), "mesh2": Component(r2)})
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152
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153 proc main() =
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154 var engine = initEngine("Test")
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155
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156 # INIT RENDERER:
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157 const
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158 shaderConfiguration = createShaderConfiguration(
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159 inputs=[
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160 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead),
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161 attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite),
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162 attr[Vec3f]("translate", perInstance=true),
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163 attr[uint16]("materialIndex", perInstance=true),
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164 ],
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165 intermediates=[
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166 attr[Vec4f]("outcolor"),
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167 attr[uint16]("materialIndexOut", noInterpolation=true),
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168 ],
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169 outputs=[attr[Vec4f]("color")],
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170 uniforms=[attr[float32]("time")],
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171 samplers=[
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172 attr[Sampler2DType]("my_little_texture", arrayCount=2)
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173 ],
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174 vertexCode="""gl_Position = vec4(position + translate, 1.0); outcolor = color; materialIndexOut = materialIndex;""",
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175 fragmentCode="color = texture(my_little_texture[materialIndexOut], outcolor.xy) * 0.5 + outcolor * 0.5;",
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176 )
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177 engine.initRenderer({
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178 "my_material": shaderConfiguration,
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179 "my_special_material": shaderConfiguration,
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180 }.toTable)
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181
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182 # INIT SCENES
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183 var scenes = [
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184 newScene("simple", scene_simple(), transformAttribute=""),
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185 newScene("different mesh types", scene_different_mesh_types(), transformAttribute=""),
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186 newScene("primitives", scene_primitives(), transformAttribute=""),
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187 newScene("flag", scene_multi_material(), transformAttribute=""),
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188 ]
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189
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190 for scene in scenes.mitems:
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191 scene.addShaderGlobal("time", 0.0'f32)
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192 engine.addScene(scene)
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193
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194 # MAINLOOP
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195 echo "Setup successfull, start rendering"
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196 for i in 0 ..< 3:
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197 for scene in scenes.mitems:
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198 for i in 0 ..< 1000:
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199 if engine.updateInputs() != Running or engine.keyIsDown(Escape):
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200 engine.destroy()
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201 return
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202 setShaderGlobal(scene, "time", getShaderGlobal[float32](scene, "time") + 0.0005'f)
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203 engine.renderScene(scene)
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204 echo "Rendered ", engine.framesRendered, " frames"
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205 echo "Processed ", engine.eventsProcessed, " events"
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206
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207 # cleanup
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208 echo "Start cleanup"
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209 engine.destroy()
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210
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211 when isMainModule:
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212 main()