Add existing to tracked

node_modules/@cesium/engine/Source/Shaders/PolylineShadowVolumeFS.js

@@ -0,0 +1,88 @@
+//This file is automatically rebuilt by the Cesium build process.
+export default "in vec4 v_startPlaneNormalEcAndHalfWidth;\n\
+in vec4 v_endPlaneNormalEcAndBatchId;\n\
+in vec4 v_rightPlaneEC; // Technically can compute distance for this here\n\
+in vec4 v_endEcAndStartEcX;\n\
+in vec4 v_texcoordNormalizationAndStartEcYZ;\n\
+\n\
+#ifdef PER_INSTANCE_COLOR\n\
+in vec4 v_color;\n\
+#endif\n\
+\n\
+void main(void)\n\
+{\n\
+    float logDepthOrDepth = czm_branchFreeTernary(czm_sceneMode == czm_sceneMode2D, gl_FragCoord.z, czm_unpackDepth(texture(czm_globeDepthTexture, gl_FragCoord.xy / czm_viewport.zw)));\n\
+    vec3 ecStart = vec3(v_endEcAndStartEcX.w, v_texcoordNormalizationAndStartEcYZ.zw);\n\
+\n\
+    // Discard for sky\n\
+    if (logDepthOrDepth == 0.0) {\n\
+#ifdef DEBUG_SHOW_VOLUME\n\
+        out_FragColor = vec4(1.0, 0.0, 0.0, 0.5);\n\
+        return;\n\
+#else // DEBUG_SHOW_VOLUME\n\
+        discard;\n\
+#endif // DEBUG_SHOW_VOLUME\n\
+    }\n\
+\n\
+    vec4 eyeCoordinate = czm_windowToEyeCoordinates(gl_FragCoord.xy, logDepthOrDepth);\n\
+    eyeCoordinate /= eyeCoordinate.w;\n\
+\n\
+    float halfMaxWidth = v_startPlaneNormalEcAndHalfWidth.w * czm_metersPerPixel(eyeCoordinate);\n\
+    // Check distance of the eye coordinate against the right-facing plane\n\
+    float widthwiseDistance = czm_planeDistance(v_rightPlaneEC, eyeCoordinate.xyz);\n\
+\n\
+    // Check eye coordinate against the mitering planes\n\
+    float distanceFromStart = czm_planeDistance(v_startPlaneNormalEcAndHalfWidth.xyz, -dot(ecStart, v_startPlaneNormalEcAndHalfWidth.xyz), eyeCoordinate.xyz);\n\
+    float distanceFromEnd = czm_planeDistance(v_endPlaneNormalEcAndBatchId.xyz, -dot(v_endEcAndStartEcX.xyz, v_endPlaneNormalEcAndBatchId.xyz), eyeCoordinate.xyz);\n\
+\n\
+    if (abs(widthwiseDistance) > halfMaxWidth || distanceFromStart < 0.0 || distanceFromEnd < 0.0) {\n\
+#ifdef DEBUG_SHOW_VOLUME\n\
+        out_FragColor = vec4(1.0, 0.0, 0.0, 0.5);\n\
+        return;\n\
+#else // DEBUG_SHOW_VOLUME\n\
+        discard;\n\
+#endif // DEBUG_SHOW_VOLUME\n\
+    }\n\
+\n\
+    // Check distance of the eye coordinate against start and end planes with normals in the right plane.\n\
+    // For computing unskewed lengthwise texture coordinate.\n\
+    // Can also be used for clipping extremely pointy miters, but in practice unnecessary because of miter breaking.\n\
+\n\
+    // aligned plane: cross the right plane normal with miter plane normal, then cross the result with right again to point it more \"forward\"\n\
+    vec3 alignedPlaneNormal;\n\
+\n\
+    // start aligned plane\n\
+    alignedPlaneNormal = cross(v_rightPlaneEC.xyz, v_startPlaneNormalEcAndHalfWidth.xyz);\n\
+    alignedPlaneNormal = normalize(cross(alignedPlaneNormal, v_rightPlaneEC.xyz));\n\
+    distanceFromStart = czm_planeDistance(alignedPlaneNormal, -dot(alignedPlaneNormal, ecStart), eyeCoordinate.xyz);\n\
+\n\
+    // end aligned plane\n\
+    alignedPlaneNormal = cross(v_rightPlaneEC.xyz, v_endPlaneNormalEcAndBatchId.xyz);\n\
+    alignedPlaneNormal = normalize(cross(alignedPlaneNormal, v_rightPlaneEC.xyz));\n\
+    distanceFromEnd = czm_planeDistance(alignedPlaneNormal, -dot(alignedPlaneNormal, v_endEcAndStartEcX.xyz), eyeCoordinate.xyz);\n\
+\n\
+#ifdef PER_INSTANCE_COLOR\n\
+    out_FragColor = czm_gammaCorrect(v_color);\n\
+#else // PER_INSTANCE_COLOR\n\
+    // Clamp - distance to aligned planes may be negative due to mitering,\n\
+    // so fragment texture coordinate might be out-of-bounds.\n\
+    float s = clamp(distanceFromStart / (distanceFromStart + distanceFromEnd), 0.0, 1.0);\n\
+    s = (s * v_texcoordNormalizationAndStartEcYZ.x) + v_texcoordNormalizationAndStartEcYZ.y;\n\
+    float t = (widthwiseDistance + halfMaxWidth) / (2.0 * halfMaxWidth);\n\
+\n\
+    czm_materialInput materialInput;\n\
+\n\
+    materialInput.s = s;\n\
+    materialInput.st = vec2(s, t);\n\
+    materialInput.str = vec3(s, t, 0.0);\n\
+\n\
+    czm_material material = czm_getMaterial(materialInput);\n\
+    out_FragColor = vec4(material.diffuse + material.emission, material.alpha);\n\
+#endif // PER_INSTANCE_COLOR\n\
+\n\
+    // Premultiply alpha. Required for classification primitives on translucent globe.\n\
+    out_FragColor.rgb *= out_FragColor.a;\n\
+\n\
+    czm_writeDepthClamp();\n\
+}\n\
+";