fix(Renderer): Update gl viewport on zbuffer pass

Kitware · Jan 22, 2018 · 873f1e9 · 873f1e9
1 parent 572e671
commit 873f1e9
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Sources/Rendering/OpenGL/Renderer/index.js b/Sources/Rendering/OpenGL/Renderer/index.js
@@ -65,6 +65,11 @@ function vtkOpenGLRenderer(publicAPI, model) {
         gl.depthMask(true);
       }
 
+      const ts = publicAPI.getTiledSizeAndOrigin();
+      gl.enable(gl.SCISSOR_TEST);
+      gl.scissor(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
+      gl.viewport(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
+
       gl.colorMask(true, true, true, true);
       gl.clear(clearMask);
 
@@ -160,6 +165,7 @@ function vtkOpenGLRenderer(publicAPI, model) {
     const ts = publicAPI.getTiledSizeAndOrigin();
     gl.enable(gl.SCISSOR_TEST);
     gl.scissor(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
+    gl.viewport(ts.lowerLeftU, ts.lowerLeftV, ts.usize, ts.vsize);
 
     gl.clear(clearMask);