Merge pull request #226 from Tom94/only-rounded-shader

Cursor trail shader: target rounded fragment shader

osu.Game.Resources/Shaders/sh_CursorTrail.vs

@@ -4,11 +4,11 @@ attribute vec2 m_TexCoord;
 attribute vec4 m_TexRect;
 attribute float m_Time;
 
-varying vec2 v_DrawingPosition;
 varying vec2 v_MaskingPosition;
 varying vec4 v_Colour;
 varying vec2 v_TexCoord;
 varying vec4 v_TexRect;
+varying vec2 v_BlendRange;
 
 uniform mat4 g_ProjMatrix;
 uniform mat3 g_ToMaskingSpace;
@@ -23,14 +23,11 @@ void main(void)
     vec3 maskingPos = g_ToMaskingSpace * vec3(m_Position, 1.0);
     v_MaskingPosition = maskingPos.xy / maskingPos.z;
 
-    // Transform to position to masking space.
-    vec3 drawingPos = g_ToDrawingSpace * vec3(m_Position, 1.0);
-    v_DrawingPosition = drawingPos.xy / drawingPos.z;
-
     v_Colour = vec4(m_Colour.rgb, m_Colour.a * pow(clamp(m_Time - g_FadeClock, 0.0, 1.0), g_FadeExponent));
      
     v_TexCoord = m_TexCoord;
     v_TexRect = m_TexRect;
+    v_BlendRange = vec2(0.0);
     
     gl_Position = g_ProjMatrix * vec4(m_Position, 1.0, 1.0);
 }