@xeokit/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
996 lines (917 loc) • 48.2 kB
JavaScript
/**
* @author xeolabs / https://github.com/xeolabs
*/
import {Map} from "../../utils/Map.js";
import {DrawShaderSource} from "./DrawShaderSource.js";
import {Program} from "../../webgl/Program.js";
import {stats} from '../../stats.js';
import {WEBGL_INFO} from '../../webglInfo.js';
import {math} from "../../math/math.js";
import {getPlaneRTCPos} from "../../math/rtcCoords.js";
const tempVec3a = math.vec3();
const ids = new Map({});
/**
* @private
*/
const DrawRenderer = function (hash, mesh) {
this.id = ids.addItem({});
this._hash = hash;
this._scene = mesh.scene;
this._useCount = 0;
this._shaderSource = new DrawShaderSource(mesh);
this._allocate(mesh);
};
const drawRenderers = {};
DrawRenderer.get = function (mesh) {
const scene = mesh.scene;
const hash = [
scene.canvas.canvas.id,
(scene.gammaInput ? "gi;" : ";") + (scene.gammaOutput ? "go" : ""),
scene._lightsState.getHash(),
scene._sectionPlanesState.getHash(),
mesh._geometry._state.hash,
mesh._material._state.hash,
mesh._state.drawHash
].join(";");
let renderer = drawRenderers[hash];
if (!renderer) {
renderer = new DrawRenderer(hash, mesh);
if (renderer.errors) {
console.log(renderer.errors.join("\n"));
return null;
}
drawRenderers[hash] = renderer;
stats.memory.programs++;
}
renderer._useCount++;
return renderer;
};
DrawRenderer.prototype.put = function () {
if (--this._useCount === 0) {
ids.removeItem(this.id);
if (this._program) {
this._program.destroy();
}
delete drawRenderers[this._hash];
stats.memory.programs--;
}
};
DrawRenderer.prototype.webglContextRestored = function () {
this._program = null;
};
DrawRenderer.prototype.drawMesh = function (frameCtx, mesh) {
if (!this._program) {
this._allocate(mesh);
}
const maxTextureUnits = WEBGL_INFO.MAX_TEXTURE_UNITS;
const scene = mesh.scene;
const material = mesh._material;
const gl = scene.canvas.gl;
const program = this._program;
const meshState = mesh._state;
const materialState = mesh._material._state;
const geometryState = mesh._geometry._state;
const camera = scene.camera;
const origin = mesh.origin;
const background = meshState.background;
if (frameCtx.lastProgramId !== this._program.id) {
frameCtx.lastProgramId = this._program.id;
if (background) {
gl.depthFunc(gl.LEQUAL);
}
this._bindProgram(frameCtx);
}
gl.uniformMatrix4fv(this._uViewMatrix, false, origin ? frameCtx.getRTCViewMatrix(meshState.originHash, origin) : camera.viewMatrix);
gl.uniformMatrix4fv(this._uViewNormalMatrix, false, camera.viewNormalMatrix);
if (meshState.clippable) {
const numAllocatedSectionPlanes = scene._sectionPlanesState.getNumAllocatedSectionPlanes();
const numSectionPlanes = scene._sectionPlanesState.sectionPlanes.length;
if (numAllocatedSectionPlanes > 0) {
const sectionPlanes = scene._sectionPlanesState.sectionPlanes;
const renderFlags = mesh.renderFlags;
for (let sectionPlaneIndex = 0; sectionPlaneIndex < numAllocatedSectionPlanes; sectionPlaneIndex++) {
const sectionPlaneUniforms = this._uSectionPlanes[sectionPlaneIndex];
if (sectionPlaneUniforms) {
if (sectionPlaneIndex < numSectionPlanes) {
const active = renderFlags.sectionPlanesActivePerLayer[sectionPlaneIndex];
gl.uniform1i(sectionPlaneUniforms.active, active ? 1 : 0);
if (active) {
const sectionPlane = sectionPlanes[sectionPlaneIndex];
if (origin) {
const rtcSectionPlanePos = getPlaneRTCPos(sectionPlane.dist, sectionPlane.dir, origin, tempVec3a);
gl.uniform3fv(sectionPlaneUniforms.pos, rtcSectionPlanePos);
} else {
gl.uniform3fv(sectionPlaneUniforms.pos, sectionPlane.pos);
}
gl.uniform3fv(sectionPlaneUniforms.dir, sectionPlane.dir);
}
} else {
gl.uniform1i(sectionPlaneUniforms.active, 0);
}
}
}
}
}
if (materialState.id !== this._lastMaterialId) {
frameCtx.textureUnit = this._baseTextureUnit;
const backfaces = materialState.backfaces;
if (frameCtx.backfaces !== backfaces) {
if (backfaces) {
gl.disable(gl.CULL_FACE);
} else {
gl.enable(gl.CULL_FACE);
}
frameCtx.backfaces = backfaces;
}
const frontface = materialState.frontface;
if (frameCtx.frontface !== frontface) {
if (frontface) {
gl.frontFace(gl.CCW);
} else {
gl.frontFace(gl.CW);
}
frameCtx.frontface = frontface;
}
if (frameCtx.lineWidth !== materialState.lineWidth) {
gl.lineWidth(materialState.lineWidth);
frameCtx.lineWidth = materialState.lineWidth;
}
if (this._uPointSize) {
gl.uniform1f(this._uPointSize, materialState.pointSize);
}
switch (materialState.type) {
case "LambertMaterial":
if (this._uMaterialAmbient) {
gl.uniform3fv(this._uMaterialAmbient, materialState.ambient);
}
if (this._uMaterialColor) {
gl.uniform4f(this._uMaterialColor, materialState.color[0], materialState.color[1], materialState.color[2], materialState.alpha);
}
if (this._uMaterialEmissive) {
gl.uniform3fv(this._uMaterialEmissive, materialState.emissive);
}
break;
case "PhongMaterial":
if (this._uMaterialShininess) {
gl.uniform1f(this._uMaterialShininess, materialState.shininess);
}
if (this._uMaterialAmbient) {
gl.uniform3fv(this._uMaterialAmbient, materialState.ambient);
}
if (this._uMaterialDiffuse) {
gl.uniform3fv(this._uMaterialDiffuse, materialState.diffuse);
}
if (this._uMaterialSpecular) {
gl.uniform3fv(this._uMaterialSpecular, materialState.specular);
}
if (this._uMaterialEmissive) {
gl.uniform3fv(this._uMaterialEmissive, materialState.emissive);
}
if (this._uAlphaModeCutoff) {
gl.uniform4f(
this._uAlphaModeCutoff,
1.0 * materialState.alpha,
materialState.alphaMode === 1 ? 1.0 : 0.0,
materialState.alphaCutoff,
0);
}
if (material._ambientMap && material._ambientMap._state.texture && this._uMaterialAmbientMap) {
program.bindTexture(this._uMaterialAmbientMap, material._ambientMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uMaterialAmbientMapMatrix) {
gl.uniformMatrix4fv(this._uMaterialAmbientMapMatrix, false, material._ambientMap._state.matrix);
}
}
if (material._diffuseMap && material._diffuseMap._state.texture && this._uDiffuseMap) {
program.bindTexture(this._uDiffuseMap, material._diffuseMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uDiffuseMapMatrix) {
gl.uniformMatrix4fv(this._uDiffuseMapMatrix, false, material._diffuseMap._state.matrix);
}
}
if (material._specularMap && material._specularMap._state.texture && this._uSpecularMap) {
program.bindTexture(this._uSpecularMap, material._specularMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uSpecularMapMatrix) {
gl.uniformMatrix4fv(this._uSpecularMapMatrix, false, material._specularMap._state.matrix);
}
}
if (material._emissiveMap && material._emissiveMap._state.texture && this._uEmissiveMap) {
program.bindTexture(this._uEmissiveMap, material._emissiveMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uEmissiveMapMatrix) {
gl.uniformMatrix4fv(this._uEmissiveMapMatrix, false, material._emissiveMap._state.matrix);
}
}
if (material._alphaMap && material._alphaMap._state.texture && this._uAlphaMap) {
program.bindTexture(this._uAlphaMap, material._alphaMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uAlphaMapMatrix) {
gl.uniformMatrix4fv(this._uAlphaMapMatrix, false, material._alphaMap._state.matrix);
}
}
if (material._reflectivityMap && material._reflectivityMap._state.texture && this._uReflectivityMap) {
program.bindTexture(this._uReflectivityMap, material._reflectivityMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
if (this._uReflectivityMapMatrix) {
gl.uniformMatrix4fv(this._uReflectivityMapMatrix, false, material._reflectivityMap._state.matrix);
}
}
if (material._normalMap && material._normalMap._state.texture && this._uNormalMap) {
program.bindTexture(this._uNormalMap, material._normalMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uNormalMapMatrix) {
gl.uniformMatrix4fv(this._uNormalMapMatrix, false, material._normalMap._state.matrix);
}
}
if (material._occlusionMap && material._occlusionMap._state.texture && this._uOcclusionMap) {
program.bindTexture(this._uOcclusionMap, material._occlusionMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uOcclusionMapMatrix) {
gl.uniformMatrix4fv(this._uOcclusionMapMatrix, false, material._occlusionMap._state.matrix);
}
}
if (material._diffuseFresnel) {
if (this._uDiffuseFresnelEdgeBias) {
gl.uniform1f(this._uDiffuseFresnelEdgeBias, material._diffuseFresnel.edgeBias);
}
if (this._uDiffuseFresnelCenterBias) {
gl.uniform1f(this._uDiffuseFresnelCenterBias, material._diffuseFresnel.centerBias);
}
if (this._uDiffuseFresnelEdgeColor) {
gl.uniform3fv(this._uDiffuseFresnelEdgeColor, material._diffuseFresnel.edgeColor);
}
if (this._uDiffuseFresnelCenterColor) {
gl.uniform3fv(this._uDiffuseFresnelCenterColor, material._diffuseFresnel.centerColor);
}
if (this._uDiffuseFresnelPower) {
gl.uniform1f(this._uDiffuseFresnelPower, material._diffuseFresnel.power);
}
}
if (material._specularFresnel) {
if (this._uSpecularFresnelEdgeBias) {
gl.uniform1f(this._uSpecularFresnelEdgeBias, material._specularFresnel.edgeBias);
}
if (this._uSpecularFresnelCenterBias) {
gl.uniform1f(this._uSpecularFresnelCenterBias, material._specularFresnel.centerBias);
}
if (this._uSpecularFresnelEdgeColor) {
gl.uniform3fv(this._uSpecularFresnelEdgeColor, material._specularFresnel.edgeColor);
}
if (this._uSpecularFresnelCenterColor) {
gl.uniform3fv(this._uSpecularFresnelCenterColor, material._specularFresnel.centerColor);
}
if (this._uSpecularFresnelPower) {
gl.uniform1f(this._uSpecularFresnelPower, material._specularFresnel.power);
}
}
if (material._alphaFresnel) {
if (this._uAlphaFresnelEdgeBias) {
gl.uniform1f(this._uAlphaFresnelEdgeBias, material._alphaFresnel.edgeBias);
}
if (this._uAlphaFresnelCenterBias) {
gl.uniform1f(this._uAlphaFresnelCenterBias, material._alphaFresnel.centerBias);
}
if (this._uAlphaFresnelEdgeColor) {
gl.uniform3fv(this._uAlphaFresnelEdgeColor, material._alphaFresnel.edgeColor);
}
if (this._uAlphaFresnelCenterColor) {
gl.uniform3fv(this._uAlphaFresnelCenterColor, material._alphaFresnel.centerColor);
}
if (this._uAlphaFresnelPower) {
gl.uniform1f(this._uAlphaFresnelPower, material._alphaFresnel.power);
}
}
if (material._reflectivityFresnel) {
if (this._uReflectivityFresnelEdgeBias) {
gl.uniform1f(this._uReflectivityFresnelEdgeBias, material._reflectivityFresnel.edgeBias);
}
if (this._uReflectivityFresnelCenterBias) {
gl.uniform1f(this._uReflectivityFresnelCenterBias, material._reflectivityFresnel.centerBias);
}
if (this._uReflectivityFresnelEdgeColor) {
gl.uniform3fv(this._uReflectivityFresnelEdgeColor, material._reflectivityFresnel.edgeColor);
}
if (this._uReflectivityFresnelCenterColor) {
gl.uniform3fv(this._uReflectivityFresnelCenterColor, material._reflectivityFresnel.centerColor);
}
if (this._uReflectivityFresnelPower) {
gl.uniform1f(this._uReflectivityFresnelPower, material._reflectivityFresnel.power);
}
}
if (material._emissiveFresnel) {
if (this._uEmissiveFresnelEdgeBias) {
gl.uniform1f(this._uEmissiveFresnelEdgeBias, material._emissiveFresnel.edgeBias);
}
if (this._uEmissiveFresnelCenterBias) {
gl.uniform1f(this._uEmissiveFresnelCenterBias, material._emissiveFresnel.centerBias);
}
if (this._uEmissiveFresnelEdgeColor) {
gl.uniform3fv(this._uEmissiveFresnelEdgeColor, material._emissiveFresnel.edgeColor);
}
if (this._uEmissiveFresnelCenterColor) {
gl.uniform3fv(this._uEmissiveFresnelCenterColor, material._emissiveFresnel.centerColor);
}
if (this._uEmissiveFresnelPower) {
gl.uniform1f(this._uEmissiveFresnelPower, material._emissiveFresnel.power);
}
}
break;
case "MetallicMaterial":
if (this._uBaseColor) {
gl.uniform3fv(this._uBaseColor, materialState.baseColor);
}
if (this._uMaterialMetallic) {
gl.uniform1f(this._uMaterialMetallic, materialState.metallic);
}
if (this._uMaterialRoughness) {
gl.uniform1f(this._uMaterialRoughness, materialState.roughness);
}
if (this._uMaterialSpecularF0) {
gl.uniform1f(this._uMaterialSpecularF0, materialState.specularF0);
}
if (this._uMaterialEmissive) {
gl.uniform3fv(this._uMaterialEmissive, materialState.emissive);
}
if (this._uAlphaModeCutoff) {
gl.uniform4f(
this._uAlphaModeCutoff,
1.0 * materialState.alpha,
materialState.alphaMode === 1 ? 1.0 : 0.0,
materialState.alphaCutoff,
0.0);
}
const baseColorMap = material._baseColorMap;
if (baseColorMap && baseColorMap._state.texture && this._uBaseColorMap) {
program.bindTexture(this._uBaseColorMap, baseColorMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uBaseColorMapMatrix) {
gl.uniformMatrix4fv(this._uBaseColorMapMatrix, false, baseColorMap._state.matrix);
}
}
const metallicMap = material._metallicMap;
if (metallicMap && metallicMap._state.texture && this._uMetallicMap) {
program.bindTexture(this._uMetallicMap, metallicMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uMetallicMapMatrix) {
gl.uniformMatrix4fv(this._uMetallicMapMatrix, false, metallicMap._state.matrix);
}
}
const roughnessMap = material._roughnessMap;
if (roughnessMap && roughnessMap._state.texture && this._uRoughnessMap) {
program.bindTexture(this._uRoughnessMap, roughnessMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uRoughnessMapMatrix) {
gl.uniformMatrix4fv(this._uRoughnessMapMatrix, false, roughnessMap._state.matrix);
}
}
const metallicRoughnessMap = material._metallicRoughnessMap;
if (metallicRoughnessMap && metallicRoughnessMap._state.texture && this._uMetallicRoughnessMap) {
program.bindTexture(this._uMetallicRoughnessMap, metallicRoughnessMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uMetallicRoughnessMapMatrix) {
gl.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix, false, metallicRoughnessMap._state.matrix);
}
}
var emissiveMap = material._emissiveMap;
if (emissiveMap && emissiveMap._state.texture && this._uEmissiveMap) {
program.bindTexture(this._uEmissiveMap, emissiveMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uEmissiveMapMatrix) {
gl.uniformMatrix4fv(this._uEmissiveMapMatrix, false, emissiveMap._state.matrix);
}
}
var occlusionMap = material._occlusionMap;
if (occlusionMap && material._occlusionMap._state.texture && this._uOcclusionMap) {
program.bindTexture(this._uOcclusionMap, occlusionMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uOcclusionMapMatrix) {
gl.uniformMatrix4fv(this._uOcclusionMapMatrix, false, occlusionMap._state.matrix);
}
}
var alphaMap = material._alphaMap;
if (alphaMap && alphaMap._state.texture && this._uAlphaMap) {
program.bindTexture(this._uAlphaMap, alphaMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uAlphaMapMatrix) {
gl.uniformMatrix4fv(this._uAlphaMapMatrix, false, alphaMap._state.matrix);
}
}
var normalMap = material._normalMap;
if (normalMap && normalMap._state.texture && this._uNormalMap) {
program.bindTexture(this._uNormalMap, normalMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uNormalMapMatrix) {
gl.uniformMatrix4fv(this._uNormalMapMatrix, false, normalMap._state.matrix);
}
}
break;
case "SpecularMaterial":
if (this._uMaterialDiffuse) {
gl.uniform3fv(this._uMaterialDiffuse, materialState.diffuse);
}
if (this._uMaterialSpecular) {
gl.uniform3fv(this._uMaterialSpecular, materialState.specular);
}
if (this._uMaterialGlossiness) {
gl.uniform1f(this._uMaterialGlossiness, materialState.glossiness);
}
if (this._uMaterialReflectivity) {
gl.uniform1f(this._uMaterialReflectivity, materialState.reflectivity);
}
if (this._uMaterialEmissive) {
gl.uniform3fv(this._uMaterialEmissive, materialState.emissive);
}
if (this._uAlphaModeCutoff) {
gl.uniform4f(
this._uAlphaModeCutoff,
1.0 * materialState.alpha,
materialState.alphaMode === 1 ? 1.0 : 0.0,
materialState.alphaCutoff,
0.0);
}
const diffuseMap = material._diffuseMap;
if (diffuseMap && diffuseMap._state.texture && this._uDiffuseMap) {
program.bindTexture(this._uDiffuseMap, diffuseMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uDiffuseMapMatrix) {
gl.uniformMatrix4fv(this._uDiffuseMapMatrix, false, diffuseMap._state.matrix);
}
}
const specularMap = material._specularMap;
if (specularMap && specularMap._state.texture && this._uSpecularMap) {
program.bindTexture(this._uSpecularMap, specularMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uSpecularMapMatrix) {
gl.uniformMatrix4fv(this._uSpecularMapMatrix, false, specularMap._state.matrix);
}
}
const glossinessMap = material._glossinessMap;
if (glossinessMap && glossinessMap._state.texture && this._uGlossinessMap) {
program.bindTexture(this._uGlossinessMap, glossinessMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uGlossinessMapMatrix) {
gl.uniformMatrix4fv(this._uGlossinessMapMatrix, false, glossinessMap._state.matrix);
}
}
const specularGlossinessMap = material._specularGlossinessMap;
if (specularGlossinessMap && specularGlossinessMap._state.texture && this._uSpecularGlossinessMap) {
program.bindTexture(this._uSpecularGlossinessMap, specularGlossinessMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uSpecularGlossinessMapMatrix) {
gl.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix, false, specularGlossinessMap._state.matrix);
}
}
var emissiveMap = material._emissiveMap;
if (emissiveMap && emissiveMap._state.texture && this._uEmissiveMap) {
program.bindTexture(this._uEmissiveMap, emissiveMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uEmissiveMapMatrix) {
gl.uniformMatrix4fv(this._uEmissiveMapMatrix, false, emissiveMap._state.matrix);
}
}
var occlusionMap = material._occlusionMap;
if (occlusionMap && occlusionMap._state.texture && this._uOcclusionMap) {
program.bindTexture(this._uOcclusionMap, occlusionMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uOcclusionMapMatrix) {
gl.uniformMatrix4fv(this._uOcclusionMapMatrix, false, occlusionMap._state.matrix);
}
}
var alphaMap = material._alphaMap;
if (alphaMap && alphaMap._state.texture && this._uAlphaMap) {
program.bindTexture(this._uAlphaMap, alphaMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uAlphaMapMatrix) {
gl.uniformMatrix4fv(this._uAlphaMapMatrix, false, alphaMap._state.matrix);
}
}
var normalMap = material._normalMap;
if (normalMap && normalMap._state.texture && this._uNormalMap) {
program.bindTexture(this._uNormalMap, normalMap._state.texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
if (this._uNormalMapMatrix) {
gl.uniformMatrix4fv(this._uNormalMapMatrix, false, normalMap._state.matrix);
}
}
break;
}
this._lastMaterialId = materialState.id;
}
gl.uniformMatrix4fv(this._uModelMatrix, gl.FALSE, mesh.worldMatrix);
if (this._uModelNormalMatrix) {
gl.uniformMatrix4fv(this._uModelNormalMatrix, gl.FALSE, mesh.worldNormalMatrix);
}
if (this._uClippable) {
gl.uniform1i(this._uClippable, meshState.clippable);
}
if (this._uColorize) {
const colorize = meshState.colorize;
const lastColorize = this._lastColorize;
if (lastColorize[0] !== colorize[0] ||
lastColorize[1] !== colorize[1] ||
lastColorize[2] !== colorize[2] ||
lastColorize[3] !== colorize[3]) {
gl.uniform4fv(this._uColorize, colorize);
lastColorize[0] = colorize[0];
lastColorize[1] = colorize[1];
lastColorize[2] = colorize[2];
lastColorize[3] = colorize[3];
}
}
gl.uniform3fv(this._uOffset, meshState.offset);
// Bind VBOs
if (geometryState.id !== this._lastGeometryId) {
if (this._uPositionsDecodeMatrix) {
gl.uniformMatrix4fv(this._uPositionsDecodeMatrix, false, geometryState.positionsDecodeMatrix);
}
if (this._uUVDecodeMatrix) {
gl.uniformMatrix3fv(this._uUVDecodeMatrix, false, geometryState.uvDecodeMatrix);
}
if (this._aPosition) {
this._aPosition.bindArrayBuffer(geometryState.positionsBuf);
frameCtx.bindArray++;
}
if (this._aNormal) {
this._aNormal.bindArrayBuffer(geometryState.normalsBuf);
frameCtx.bindArray++;
}
if (this._aUV) {
this._aUV.bindArrayBuffer(geometryState.uvBuf);
frameCtx.bindArray++;
}
if (this._aColor) {
this._aColor.bindArrayBuffer(geometryState.colorsBuf);
frameCtx.bindArray++;
}
if (this._aFlags) {
this._aFlags.bindArrayBuffer(geometryState.flagsBuf);
frameCtx.bindArray++;
}
if (geometryState.indicesBuf) {
geometryState.indicesBuf.bind();
frameCtx.bindArray++;
}
this._lastGeometryId = geometryState.id;
}
// Draw (indices bound in prev step)
if (geometryState.indicesBuf) {
gl.drawElements(geometryState.primitive, geometryState.indicesBuf.numItems, geometryState.indicesBuf.itemType, 0);
frameCtx.drawElements++;
} else if (geometryState.positions) {
gl.drawArrays(gl.TRIANGLES, 0, geometryState.positions.numItems);
frameCtx.drawArrays++;
}
if (background) {
gl.depthFunc(gl.LESS);
}
};
DrawRenderer.prototype._allocate = function (mesh) {
const scene = mesh.scene;
const gl = scene.canvas.gl;
const material = mesh._material;
const lightsState = scene._lightsState;
const sectionPlanesState = scene._sectionPlanesState;
const materialState = mesh._material._state;
this._program = new Program(gl, this._shaderSource);
if (this._program.errors) {
this.errors = this._program.errors;
return;
}
const program = this._program;
this._uPositionsDecodeMatrix = program.getLocation("positionsDecodeMatrix");
this._uUVDecodeMatrix = program.getLocation("uvDecodeMatrix");
this._uModelMatrix = program.getLocation("modelMatrix");
this._uModelNormalMatrix = program.getLocation("modelNormalMatrix");
this._uViewMatrix = program.getLocation("viewMatrix");
this._uViewNormalMatrix = program.getLocation("viewNormalMatrix");
this._uProjMatrix = program.getLocation("projMatrix");
this._uGammaFactor = program.getLocation("gammaFactor");
this._uLightAmbient = [];
this._uLightColor = [];
this._uLightDir = [];
this._uLightPos = [];
this._uLightAttenuation = [];
this._uShadowViewMatrix = [];
this._uShadowProjMatrix = [];
if (scene.logarithmicDepthBufferEnabled) {
this._uLogDepthBufFC = program.getLocation("logDepthBufFC");
}
const lights = lightsState.lights;
let light;
for (var i = 0, len = lights.length; i < len; i++) {
light = lights[i];
switch (light.type) {
case "ambient":
this._uLightAmbient[i] = program.getLocation("lightAmbient");
break;
case "dir":
this._uLightColor[i] = program.getLocation("lightColor" + i);
this._uLightPos[i] = null;
this._uLightDir[i] = program.getLocation("lightDir" + i);
break;
case "point":
this._uLightColor[i] = program.getLocation("lightColor" + i);
this._uLightPos[i] = program.getLocation("lightPos" + i);
this._uLightDir[i] = null;
this._uLightAttenuation[i] = program.getLocation("lightAttenuation" + i);
break;
case "spot":
this._uLightColor[i] = program.getLocation("lightColor" + i);
this._uLightPos[i] = program.getLocation("lightPos" + i);
this._uLightDir[i] = program.getLocation("lightDir" + i);
this._uLightAttenuation[i] = program.getLocation("lightAttenuation" + i);
break;
}
if (light.castsShadow) {
this._uShadowViewMatrix[i] = program.getLocation("shadowViewMatrix" + i);
this._uShadowProjMatrix[i] = program.getLocation("shadowProjMatrix" + i);
}
}
if (lightsState.lightMaps.length > 0) {
this._uLightMap = "lightMap";
}
if (lightsState.reflectionMaps.length > 0) {
this._uReflectionMap = "reflectionMap";
}
this._uSectionPlanes = [];
const sectionPlanes = sectionPlanesState.sectionPlanes;
for (var i = 0, len = sectionPlanes.length; i < len; i++) {
this._uSectionPlanes.push({
active: program.getLocation("sectionPlaneActive" + i),
pos: program.getLocation("sectionPlanePos" + i),
dir: program.getLocation("sectionPlaneDir" + i)
});
}
this._uPointSize = program.getLocation("pointSize");
switch (materialState.type) {
case "LambertMaterial":
this._uMaterialColor = program.getLocation("materialColor");
this._uMaterialEmissive = program.getLocation("materialEmissive");
this._uAlphaModeCutoff = program.getLocation("materialAlphaModeCutoff");
break;
case "PhongMaterial":
this._uMaterialAmbient = program.getLocation("materialAmbient");
this._uMaterialDiffuse = program.getLocation("materialDiffuse");
this._uMaterialSpecular = program.getLocation("materialSpecular");
this._uMaterialEmissive = program.getLocation("materialEmissive");
this._uAlphaModeCutoff = program.getLocation("materialAlphaModeCutoff");
this._uMaterialShininess = program.getLocation("materialShininess");
if (material._ambientMap) {
this._uMaterialAmbientMap = "ambientMap";
this._uMaterialAmbientMapMatrix = program.getLocation("ambientMapMatrix");
}
if (material._diffuseMap) {
this._uDiffuseMap = "diffuseMap";
this._uDiffuseMapMatrix = program.getLocation("diffuseMapMatrix");
}
if (material._specularMap) {
this._uSpecularMap = "specularMap";
this._uSpecularMapMatrix = program.getLocation("specularMapMatrix");
}
if (material._emissiveMap) {
this._uEmissiveMap = "emissiveMap";
this._uEmissiveMapMatrix = program.getLocation("emissiveMapMatrix");
}
if (material._alphaMap) {
this._uAlphaMap = "alphaMap";
this._uAlphaMapMatrix = program.getLocation("alphaMapMatrix");
}
if (material._reflectivityMap) {
this._uReflectivityMap = "reflectivityMap";
this._uReflectivityMapMatrix = program.getLocation("reflectivityMapMatrix");
}
if (material._normalMap) {
this._uNormalMap = "normalMap";
this._uNormalMapMatrix = program.getLocation("normalMapMatrix");
}
if (material._occlusionMap) {
this._uOcclusionMap = "occlusionMap";
this._uOcclusionMapMatrix = program.getLocation("occlusionMapMatrix");
}
if (material._diffuseFresnel) {
this._uDiffuseFresnelEdgeBias = program.getLocation("diffuseFresnelEdgeBias");
this._uDiffuseFresnelCenterBias = program.getLocation("diffuseFresnelCenterBias");
this._uDiffuseFresnelEdgeColor = program.getLocation("diffuseFresnelEdgeColor");
this._uDiffuseFresnelCenterColor = program.getLocation("diffuseFresnelCenterColor");
this._uDiffuseFresnelPower = program.getLocation("diffuseFresnelPower");
}
if (material._specularFresnel) {
this._uSpecularFresnelEdgeBias = program.getLocation("specularFresnelEdgeBias");
this._uSpecularFresnelCenterBias = program.getLocation("specularFresnelCenterBias");
this._uSpecularFresnelEdgeColor = program.getLocation("specularFresnelEdgeColor");
this._uSpecularFresnelCenterColor = program.getLocation("specularFresnelCenterColor");
this._uSpecularFresnelPower = program.getLocation("specularFresnelPower");
}
if (material._alphaFresnel) {
this._uAlphaFresnelEdgeBias = program.getLocation("alphaFresnelEdgeBias");
this._uAlphaFresnelCenterBias = program.getLocation("alphaFresnelCenterBias");
this._uAlphaFresnelEdgeColor = program.getLocation("alphaFresnelEdgeColor");
this._uAlphaFresnelCenterColor = program.getLocation("alphaFresnelCenterColor");
this._uAlphaFresnelPower = program.getLocation("alphaFresnelPower");
}
if (material._reflectivityFresnel) {
this._uReflectivityFresnelEdgeBias = program.getLocation("reflectivityFresnelEdgeBias");
this._uReflectivityFresnelCenterBias = program.getLocation("reflectivityFresnelCenterBias");
this._uReflectivityFresnelEdgeColor = program.getLocation("reflectivityFresnelEdgeColor");
this._uReflectivityFresnelCenterColor = program.getLocation("reflectivityFresnelCenterColor");
this._uReflectivityFresnelPower = program.getLocation("reflectivityFresnelPower");
}
if (material._emissiveFresnel) {
this._uEmissiveFresnelEdgeBias = program.getLocation("emissiveFresnelEdgeBias");
this._uEmissiveFresnelCenterBias = program.getLocation("emissiveFresnelCenterBias");
this._uEmissiveFresnelEdgeColor = program.getLocation("emissiveFresnelEdgeColor");
this._uEmissiveFresnelCenterColor = program.getLocation("emissiveFresnelCenterColor");
this._uEmissiveFresnelPower = program.getLocation("emissiveFresnelPower");
}
break;
case "MetallicMaterial":
this._uBaseColor = program.getLocation("materialBaseColor");
this._uMaterialMetallic = program.getLocation("materialMetallic");
this._uMaterialRoughness = program.getLocation("materialRoughness");
this._uMaterialSpecularF0 = program.getLocation("materialSpecularF0");
this._uMaterialEmissive = program.getLocation("materialEmissive");
this._uAlphaModeCutoff = program.getLocation("materialAlphaModeCutoff");
if (material._baseColorMap) {
this._uBaseColorMap = "baseColorMap";
this._uBaseColorMapMatrix = program.getLocation("baseColorMapMatrix");
}
if (material._metallicMap) {
this._uMetallicMap = "metallicMap";
this._uMetallicMapMatrix = program.getLocation("metallicMapMatrix");
}
if (material._roughnessMap) {
this._uRoughnessMap = "roughnessMap";
this._uRoughnessMapMatrix = program.getLocation("roughnessMapMatrix");
}
if (material._metallicRoughnessMap) {
this._uMetallicRoughnessMap = "metallicRoughnessMap";
this._uMetallicRoughnessMapMatrix = program.getLocation("metallicRoughnessMapMatrix");
}
if (material._emissiveMap) {
this._uEmissiveMap = "emissiveMap";
this._uEmissiveMapMatrix = program.getLocation("emissiveMapMatrix");
}
if (material._occlusionMap) {
this._uOcclusionMap = "occlusionMap";
this._uOcclusionMapMatrix = program.getLocation("occlusionMapMatrix");
}
if (material._alphaMap) {
this._uAlphaMap = "alphaMap";
this._uAlphaMapMatrix = program.getLocation("alphaMapMatrix");
}
if (material._normalMap) {
this._uNormalMap = "normalMap";
this._uNormalMapMatrix = program.getLocation("normalMapMatrix");
}
break;
case "SpecularMaterial":
this._uMaterialDiffuse = program.getLocation("materialDiffuse");
this._uMaterialSpecular = program.getLocation("materialSpecular");
this._uMaterialGlossiness = program.getLocation("materialGlossiness");
this._uMaterialReflectivity = program.getLocation("reflectivityFresnel");
this._uMaterialEmissive = program.getLocation("materialEmissive");
this._uAlphaModeCutoff = program.getLocation("materialAlphaModeCutoff");
if (material._diffuseMap) {
this._uDiffuseMap = "diffuseMap";
this._uDiffuseMapMatrix = program.getLocation("diffuseMapMatrix");
}
if (material._specularMap) {
this._uSpecularMap = "specularMap";
this._uSpecularMapMatrix = program.getLocation("specularMapMatrix");
}
if (material._glossinessMap) {
this._uGlossinessMap = "glossinessMap";
this._uGlossinessMapMatrix = program.getLocation("glossinessMapMatrix");
}
if (material._specularGlossinessMap) {
this._uSpecularGlossinessMap = "materialSpecularGlossinessMap";
this._uSpecularGlossinessMapMatrix = program.getLocation("materialSpecularGlossinessMapMatrix");
}
if (material._emissiveMap) {
this._uEmissiveMap = "emissiveMap";
this._uEmissiveMapMatrix = program.getLocation("emissiveMapMatrix");
}
if (material._occlusionMap) {
this._uOcclusionMap = "occlusionMap";
this._uOcclusionMapMatrix = program.getLocation("occlusionMapMatrix");
}
if (material._alphaMap) {
this._uAlphaMap = "alphaMap";
this._uAlphaMapMatrix = program.getLocation("alphaMapMatrix");
}
if (material._normalMap) {
this._uNormalMap = "normalMap";
this._uNormalMapMatrix = program.getLocation("normalMapMatrix");
}
break;
}
this._aPosition = program.getAttribute("position");
this._aNormal = program.getAttribute("normal");
this._aUV = program.getAttribute("uv");
this._aColor = program.getAttribute("color");
this._aFlags = program.getAttribute("flags");
this._uClippable = program.getLocation("clippable");
this._uColorize = program.getLocation("colorize");
this._uOffset = program.getLocation("offset");
this._lastMaterialId = null;
this._lastVertexBufsId = null;
this._lastGeometryId = null;
this._lastColorize = new Float32Array(4);
this._baseTextureUnit = 0;
};
DrawRenderer.prototype._bindProgram = function (frameCtx) {
const maxTextureUnits = WEBGL_INFO.MAX_TEXTURE_UNITS;
const scene = this._scene;
const gl = scene.canvas.gl;
const lightsState = scene._lightsState;
const project = scene.camera.project;
let light;
const program = this._program;
program.bind();
frameCtx.useProgram++;
frameCtx.textureUnit = 0;
this._lastMaterialId = null;
this._lastVertexBufsId = null;
this._lastGeometryId = null;
this._lastColorize[0] = -1;
this._lastColorize[1] = -1;
this._lastColorize[2] = -1;
this._lastColorize[3] = -1;
gl.uniformMatrix4fv(this._uProjMatrix, false, project.matrix);
if (scene.logarithmicDepthBufferEnabled) {
const logDepthBufFC = 2.0 / (Math.log(project.far + 1.0) / Math.LN2);
gl.uniform1f(this._uLogDepthBufFC, logDepthBufFC);
}
for (var i = 0, len = lightsState.lights.length; i < len; i++) {
light = lightsState.lights[i];
if (this._uLightAmbient[i]) {
gl.uniform4f(this._uLightAmbient[i], light.color[0], light.color[1], light.color[2], light.intensity);
} else {
if (this._uLightColor[i]) {
gl.uniform4f(this._uLightColor[i], light.color[0], light.color[1], light.color[2], light.intensity);
}
if (this._uLightPos[i]) {
gl.uniform3fv(this._uLightPos[i], light.pos);
if (this._uLightAttenuation[i]) {
gl.uniform1f(this._uLightAttenuation[i], light.attenuation);
}
}
if (this._uLightDir[i]) {
gl.uniform3fv(this._uLightDir[i], light.dir);
}
if (light.castsShadow) {
if (this._uShadowViewMatrix[i]) {
gl.uniformMatrix4fv(this._uShadowViewMatrix[i], false, light.getShadowViewMatrix());
}
if (this._uShadowProjMatrix[i]) {
gl.uniformMatrix4fv(this._uShadowProjMatrix[i], false, light.getShadowProjMatrix());
}
const shadowRenderBuf = light.getShadowRenderBuf();
if (shadowRenderBuf) {
program.bindTexture("shadowMap" + i, shadowRenderBuf.getTexture(), frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
}
}
}
}
if (lightsState.lightMaps.length > 0 && lightsState.lightMaps[0].texture && this._uLightMap) {
program.bindTexture(this._uLightMap, lightsState.lightMaps[0].texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
}
if (lightsState.reflectionMaps.length > 0 && lightsState.reflectionMaps[0].texture && this._uReflectionMap) {
program.bindTexture(this._uReflectionMap, lightsState.reflectionMaps[0].texture, frameCtx.textureUnit);
frameCtx.textureUnit = (frameCtx.textureUnit + 1) % maxTextureUnits;
frameCtx.bindTexture++;
}
if (this._uGammaFactor) {
gl.uniform1f(this._uGammaFactor, scene.gammaFactor);
}
this._baseTextureUnit = frameCtx.textureUnit;
};
export {DrawRenderer};