1 files changed, 21 insertions, 0 deletions
diff --git a/source/blender/draw/engines/workbench/shaders/workbench_effect_smaa_vert.glsl b/source/blender/draw/engines/workbench/shaders/workbench_effect_smaa_vert.glsl
new file mode 100644
index 00000000000..07734d19972
--- /dev/null
+++ b/source/blender/draw/engines/workbench/shaders/workbench_effect_smaa_vert.glsl
@@ -0,0 +1,21 @@
+
+out vec2 uvs;
+out vec2 pixcoord;
+out vec4 offset[3];
+
+void main()
+{
+  int v = gl_VertexID % 3;
+  float x = -1.0 + float((v & 1) << 2);
+  float y = -1.0 + float((v & 2) << 1);
+  gl_Position = vec4(x, y, 1.0, 1.0);
+  uvs = (gl_Position.xy + 1.0) * 0.5;
+
+#if SMAA_STAGE == 0
+  SMAAEdgeDetectionVS(uvs, offset);
+#elif SMAA_STAGE == 1
+  SMAABlendingWeightCalculationVS(uvs, pixcoord, offset);
+#elif SMAA_STAGE == 2
+  SMAANeighborhoodBlendingVS(uvs, offset[0]);
+#endif
+}