Index: Source/platform/graphics/cpu/arm/filters/FilterEffectNEON.h |
diff --git a/Source/platform/graphics/cpu/arm/filters/FilterEffectNEON.h b/Source/platform/graphics/cpu/arm/filters/FilterEffectNEON.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..36700bc3d08524cfb82705e145d4ff0f6ac2009a |
--- /dev/null |
+++ b/Source/platform/graphics/cpu/arm/filters/FilterEffectNEON.h |
@@ -0,0 +1,59 @@ |
+/* |
+ * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com> |
+ * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
+ * Copyright (C) 2013 Google Inc. All rights reserved. |
+ * |
+ * This library is free software; you can redistribute it and/or |
+ * modify it under the terms of the GNU Library General Public |
+ * License as published by the Free Software Foundation; either |
+ * version 2 of the License, or (at your option) any later version. |
+ * |
+ * This library is distributed in the hope that it will be useful, |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+ * Library General Public License for more details. |
+ * |
+ * You should have received a copy of the GNU Library General Public License |
+ * along with this library; see the file COPYING.LIB. If not, write to |
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
+ * Boston, MA 02110-1301, USA. |
+ */ |
+ |
+#ifndef FilterEffectNEON_h |
+#define FilterEffectNEON_h |
+ |
+#if HAVE(ARM_NEON_INTRINSICS) |
+ |
+#include "platform/graphics/filters/FilterEffect.h" |
+#include <arm_neon.h> |
+ |
+namespace blink { |
+ |
+inline int FilterEffect::validPreMultipliedPixels64NEON(int pixelArrayLength, unsigned char* pixelData) |
+{ |
+ if (pixelArrayLength >= 64) { |
+ unsigned char* lastPixel = pixelData + (pixelArrayLength & ~0x3f); |
+ do { |
+ // Increments pixelData by 64. |
+ uint8x16x4_t sixteenPixels = vld4q_u8(pixelData); |
+ sixteenPixels.val[0] = vminq_u8(sixteenPixels.val[0], sixteenPixels.val[3]); |
+ sixteenPixels.val[1] = vminq_u8(sixteenPixels.val[1], sixteenPixels.val[3]); |
+ sixteenPixels.val[2] = vminq_u8(sixteenPixels.val[2], sixteenPixels.val[3]); |
+ vst4q_u8(pixelData, sixteenPixels); |
+ pixelData += 64; |
+ } while (pixelData < lastPixel); |
+ |
+ pixelArrayLength &= 0x3f; |
+ if (!pixelArrayLength) |
+ return pixelArrayLength; |
+ } |
+ |
+ return pixelArrayLength; |
+} |
+ |
+} // namespace blink |
+ |
+#endif |
+ |
+#endif // FilterEffectNEON_h |