Repo created

libs/shaders/GL/text_outlined.vsh.glsl

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+layout (location = 0) in vec2 a_colorTexCoord;
+layout (location = 1) in vec2 a_outlineColorTexCoord;
+layout (location = 2) in vec2 a_maskTexCoord;
+layout (location = 3) in vec4 a_position;
+layout (location = 4) in vec2 a_normal;
+
+#ifdef ENABLE_VTF
+layout (location = 0) out LOW_P vec4 v_color;
+#else
+layout (location = 1) out vec2 v_colorTexCoord;
+#endif
+layout (location = 2) out vec2 v_maskTexCoord;
+
+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;
+};
+
+#ifdef ENABLE_VTF
+layout (binding = 1) uniform sampler2D u_colorTex;
+#endif
+
+const float BaseDepthShift = -10.0;
+
+void main()
+{
+  float isOutline = step(0.5, u_isOutlinePass);
+  float notOutline = 1.0 - isOutline;
+  float depthShift = BaseDepthShift * isOutline;
+  vec4 pos = (vec4(a_position.xyz, 1) + vec4(0.0, 0.0, depthShift, 0.0)) * u_modelView;
+  vec4 shiftedPos = vec4(a_normal, 0.0, 0.0) + pos;
+  gl_Position = applyPivotTransform(shiftedPos * u_projection, u_pivotTransform, 0.0);
+  vec2 colorTexCoord = a_colorTexCoord * notOutline + a_outlineColorTexCoord * isOutline;
+#ifdef ENABLE_VTF
+  v_color = texture(u_colorTex, colorTexCoord);
+#else
+  v_colorTexCoord = colorTexCoord;
+#endif
+  v_maskTexCoord = a_maskTexCoord;
+}