// Copyright (c) 2015 - 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
export default `\
#version 300 es
#define SHADER_NAME path-layer-fragment-shader
precision highp float;
uniform float miterLimit;
in vec4 vColor;
in vec2 vCornerOffset;
in float vMiterLength;
in vec2 vPathPosition;
in float vPathLength;
in float vJointType;
out vec4 fragColor;
void main(void) {
geometry.uv = vPathPosition;
if (vPathPosition.y < 0.0 || vPathPosition.y > vPathLength) {
if (vJointType > 0.5 && length(vCornerOffset) > 1.0) {
discard;
}
if (vJointType < 0.5 && vMiterLength > miterLimit + 1.0) {
discard;
}
}
fragColor = vColor;
DECKGL_FILTER_COLOR(fragColor, geometry);
}
`;