@itwin/core-frontend
Version:
iTwin.js frontend components
46 lines (45 loc) • 1.92 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module WebGL
*/
import { MonochromeMode } from "@itwin/core-common";
const applyUnlitMonochromeColor = `
vec4 monoColor = vec4(u_monoRgb, baseColor.a);
return u_shaderFlags[kShaderBit_Monochrome] ? monoColor : baseColor;
`;
const applySurfaceMonochromeColor = `
vec4 monoColor = vec4(u_monoRgb, baseColor.a);
if (1.0 == u_mixMonoColor) {
vec3 rgb = baseColor.rgb;
rgb = vec3(dot(rgb, vec3(.222, .707, .071)));
rgb *= u_monoRgb;
monoColor.rgb = rgb;
}
return u_shaderFlags[kShaderBit_Monochrome] ? monoColor : baseColor;
`;
function addMonoRgb(frag) {
frag.addUniform("u_monoRgb", 4 /* VariableType.Vec3 */, (prog) => {
prog.addProgramUniform("u_monoRgb", (uniform, params) => {
params.target.uniforms.style.bindMonochromeRgb(uniform);
});
});
}
/** @internal */
export function addUnlitMonochrome(frag) {
addMonoRgb(frag);
frag.set(6 /* FragmentShaderComponent.ApplyMonochrome */, applyUnlitMonochromeColor);
}
/** @internal */
export function addSurfaceMonochrome(frag) {
addMonoRgb(frag);
frag.addUniform("u_mixMonoColor", 2 /* VariableType.Float */, (prog) => {
prog.addGraphicUniform("u_mixMonoColor", (uniform, params) => {
uniform.setUniform1f(MonochromeMode.Scaled === params.target.plan.monochromeMode && params.geometry.wantMixMonochromeColor(params.target) ? 1.0 : 0.0);
});
});
frag.set(6 /* FragmentShaderComponent.ApplyMonochrome */, applySurfaceMonochromeColor);
}
//# sourceMappingURL=Monochrome.js.map