Disable unused attributes when using copy shader

BUG=chromium:496540

Review URL: https://codereview.chromium.org/1157943007

diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp
index 7696334..08e83ec 100644 (file)
--- a/src/gpu/gl/GrGLGpu.cpp
+++ b/src/gpu/gl/GrGLGpu.cpp
@@ -2821,7 +2821,7 @@ void GrGLGpu::copySurfaceAsDraw(GrSurface* dst,
         fHWGeometryState.bindArrayAndBufferToDraw(this, fCopyProgram.fArrayBuffer);
     attribs->set(this, 0, fCopyProgram.fArrayBuffer, 2, GR_GL_FLOAT, false,
                     2 * sizeof(GrGLfloat), 0);
-
+    attribs->disableUnusedArrays(this, 0x1);
 
     // dst rect edges in NDC (-1 to 1)
     int dw = dst->width();