Repo created

libs/shaders/GL/dashed_line.fsh.glsl

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+layout (location = 0) in vec2 v_colorTexCoord;
+layout (location = 1) in vec2 v_maskTexCoord;
+//layout (location = 2) in vec2 v_halfLength;
+
+layout (location = 0) out vec4 v_FragColor;
+
+layout (binding = 0) uniform UBO
+{
+  mat4 u_modelView;
+  mat4 u_projection;
+  mat4 u_pivotTransform;
+  vec2 u_contrastGamma;
+  float u_opacity;
+  float u_zScale;
+  float u_interpolation;
+  float u_isOutlinePass;
+};
+
+layout (binding = 1) uniform sampler2D u_colorTex;
+layout (binding = 2) uniform sampler2D u_maskTex;
+
+//const float aaPixelsCount = 2.5;
+
+void main()
+{
+  vec4 color = texture(u_colorTex, v_colorTexCoord);
+  float mask = texture(u_maskTex, v_maskTexCoord).r;
+  color.a = color.a * mask * u_opacity;
+  // Disabled too agressive AA-like blurring of edges,
+  // see https://github.com/organicmaps/organicmaps/issues/6583.
+  //float currentW = abs(v_halfLength.x);
+  //float diff = v_halfLength.y - currentW;
+  //color.a *= mix(0.3, 1.0, clamp(diff / aaPixelsCount, 0.0, 1.0));
+  v_FragColor = color;
+}