@vrame/xeokit-sdk
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3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision
47 lines (41 loc) • 2.1 kB
JavaScript
/**
* @private
*/
export class DTXLinesState {
constructor() {
this.texturePerObjectColorsAndFlags = null;
this.texturePerObjectOffsets = null;
this.texturePerObjectInstanceMatrices = null;
this.texturePerObjectPositionsDecodeMatrix = null;
this.texturePerVertexIdCoordinates = null;
this.texturePerLineIdPortionIds8Bits = null;
this.texturePerLineIdPortionIds16Bits = null;
this.texturePerLineIdPortionIds32Bits = null;
this.texturePerLineIdIndices8Bits = null;
this.texturePerLineIdIndices16Bits = null;
this.texturePerLineIdIndices32Bits = null;
this.textureModelMatrices = null;
}
finalize() {
this.indicesPerBitnessTextures = {
8: this.texturePerLineIdIndices8Bits,
16: this.texturePerLineIdIndices16Bits,
32: this.texturePerLineIdIndices32Bits,
};
this.indicesPortionIdsPerBitnessTextures = {
8: this.texturePerLineIdPortionIds8Bits,
16: this.texturePerLineIdPortionIds16Bits,
32: this.texturePerLineIdPortionIds32Bits,
};
}
bindCommonTextures(glProgram, objectDecodeMatricesShaderName, vertexTextureShaderName, objectAttributesTextureShaderName, objectMatricesShaderName) {
this.texturePerObjectPositionsDecodeMatrix.bindTexture(glProgram, objectDecodeMatricesShaderName, 1);
this.texturePerVertexIdCoordinates.bindTexture(glProgram, vertexTextureShaderName, 2);
this.texturePerObjectColorsAndFlags.bindTexture(glProgram, objectAttributesTextureShaderName, 3);
this.texturePerObjectInstanceMatrices.bindTexture(glProgram, objectMatricesShaderName, 4);
}
bindLineIndicesTextures(glProgram, portionIdsShaderName, lineIndicesShaderName, textureBitness) {
this.indicesPortionIdsPerBitnessTextures[textureBitness].bindTexture(glProgram, portionIdsShaderName, 5);
this.indicesPerBitnessTextures[textureBitness].bindTexture(glProgram, lineIndicesShaderName, 6);
}
}