36 lines
787 B
GLSL
36 lines
787 B
GLSL
#ifdef ENABLE_VTF
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layout (location = 0) in LOW_P vec4 v_color;
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#else
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layout (location = 1) in vec2 v_colorTexCoord;
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layout (binding = 1) uniform sampler2D u_colorTex;
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#endif
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layout (location = 2) in float v_lengthY;
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layout (location = 0) out vec4 v_FragColor;
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layout (binding = 0) uniform UBO
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{
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mat4 u_modelView;
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mat4 u_projection;
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mat4 u_pivotTransform;
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vec4 u_position;
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vec2 u_lineParams;
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float u_accuracy;
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float u_zScale;
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float u_opacity;
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float u_azimut;
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};
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const float kAntialiasingThreshold = 0.92;
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void main()
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{
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#ifdef ENABLE_VTF
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LOW_P vec4 color = v_color;
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#else
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LOW_P vec4 color = texture(u_colorTex, v_colorTexCoord);
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#endif
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color.a *= u_opacity;
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color.a *= (1.0 - smoothstep(kAntialiasingThreshold, 1.0, abs(v_lengthY)));
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v_FragColor = color;
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}
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