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50 lines
2.8 KiB
50 lines
2.8 KiB
4 years ago
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#version 450 core
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layout(location = 0) out vec4 color;
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in vec4 v_color;
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in vec2 v_textureCoordinates;
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in flat uint v_textureIndex;
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4 years ago
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uniform sampler2D u_textures[32];
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void main()
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{
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vec4 textureColor = v_color;
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switch(v_textureIndex) {
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case 0: break; // Texture unit 0 is reserved for no texture
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case 1: textureColor *= texture(u_textures[1], v_textureCoordinates); break;
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case 2: textureColor *= texture(u_textures[2], v_textureCoordinates); break;
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case 3: textureColor *= texture(u_textures[3], v_textureCoordinates); break;
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case 4: textureColor *= texture(u_textures[4], v_textureCoordinates); break;
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case 5: textureColor *= texture(u_textures[5], v_textureCoordinates); break;
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case 6: textureColor *= texture(u_textures[6], v_textureCoordinates); break;
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case 7: textureColor *= texture(u_textures[7], v_textureCoordinates); break;
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case 8: textureColor *= texture(u_textures[8], v_textureCoordinates); break;
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case 9: textureColor *= texture(u_textures[9], v_textureCoordinates); break;
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case 10: textureColor *= texture(u_textures[10], v_textureCoordinates); break;
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case 11: textureColor *= texture(u_textures[11], v_textureCoordinates); break;
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case 12: textureColor *= texture(u_textures[12], v_textureCoordinates); break;
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case 13: textureColor *= texture(u_textures[13], v_textureCoordinates); break;
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case 14: textureColor *= texture(u_textures[14], v_textureCoordinates); break;
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case 15: textureColor *= texture(u_textures[15], v_textureCoordinates); break;
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case 16: textureColor *= texture(u_textures[16], v_textureCoordinates); break;
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case 17: textureColor *= texture(u_textures[17], v_textureCoordinates); break;
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case 18: textureColor *= texture(u_textures[18], v_textureCoordinates); break;
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case 19: textureColor *= texture(u_textures[19], v_textureCoordinates); break;
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case 20: textureColor *= texture(u_textures[20], v_textureCoordinates); break;
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case 21: textureColor *= texture(u_textures[21], v_textureCoordinates); break;
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case 22: textureColor *= texture(u_textures[22], v_textureCoordinates); break;
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case 23: textureColor *= texture(u_textures[23], v_textureCoordinates); break;
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case 24: textureColor *= texture(u_textures[24], v_textureCoordinates); break;
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case 25: textureColor *= texture(u_textures[25], v_textureCoordinates); break;
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case 26: textureColor *= texture(u_textures[26], v_textureCoordinates); break;
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case 27: textureColor *= texture(u_textures[27], v_textureCoordinates); break;
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case 28: textureColor *= texture(u_textures[28], v_textureCoordinates); break;
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case 29: textureColor *= texture(u_textures[29], v_textureCoordinates); break;
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case 30: textureColor *= texture(u_textures[30], v_textureCoordinates); break;
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case 31: textureColor *= texture(u_textures[31], v_textureCoordinates); break;
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}
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color = textureColor;
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}
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