41 lines
1.1 KiB
GLSL
41 lines
1.1 KiB
GLSL
// pathfinder/shaders/gles2/direct-curve.vs.glsl
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//
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// Copyright (c) 2017 Mozilla Foundation
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precision highp float;
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uniform mat4 uTransform;
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uniform ivec2 uFramebufferSize;
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uniform ivec2 uPathColorsDimensions;
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uniform ivec2 uPathTransformDimensions;
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uniform sampler2D uPathColors;
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uniform sampler2D uPathTransform;
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attribute vec2 aPosition;
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attribute vec2 aTexCoord;
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attribute float aPathID;
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attribute float aSign;
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varying vec4 vColor;
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varying vec2 vPathID;
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varying vec2 vTexCoord;
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varying float vSign;
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void main() {
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int pathID = int(aPathID);
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vec4 pathTransform = fetchFloat4Data(uPathTransform, pathID, uPathTransformDimensions);
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vec2 position = transformVertexPositionST(aPosition, pathTransform);
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position = transformVertexPosition(position, uTransform);
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position = convertScreenToClipSpace(position, uFramebufferSize);
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float depth = convertPathIndexToViewportDepthValue(pathID);
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gl_Position = vec4(position, depth, 1.0);
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vColor = fetchFloat4Data(uPathColors, pathID, uPathColorsDimensions);
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vPathID = packPathID(pathID);
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vTexCoord = vec2(aTexCoord) / 2.0;
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vSign = aSign;
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}
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