Index: content/common/gpu/surface_handle_types_mac.cc |
diff --git a/content/common/gpu/surface_handle_types_mac.cc b/content/common/gpu/surface_handle_types_mac.cc |
deleted file mode 100644 |
index ef7254241da381359dfb2a8cd71e67af1c0e77b5..0000000000000000000000000000000000000000 |
--- a/content/common/gpu/surface_handle_types_mac.cc |
+++ /dev/null |
@@ -1,53 +0,0 @@ |
-// Copyright 2014 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "content/common/gpu/surface_handle_types_mac.h" |
- |
-#include "base/logging.h" |
- |
-namespace content { |
-namespace { |
- |
-// The type of the handle is stored in the upper 64 bits. |
-const uint64 kTypeMask = 0xFFFFFFFFull << 32; |
- |
-const uint64 kTypeIOSurface = 0x01010101ull << 32; |
-const uint64 kTypeCAContext = 0x02020202ull << 32; |
- |
-// To make it a bit less likely that we'll just cast off the top bits of the |
-// handle to get the ID, XOR lower bits with a type-specific mask. |
-const uint32 kXORMaskIOSurface = 0x01010101; |
-const uint32 kXORMaskCAContext = 0x02020202; |
- |
-} // namespace |
- |
-SurfaceHandleType GetSurfaceHandleType(uint64 surface_handle) { |
- switch(surface_handle & kTypeMask) { |
- case kTypeIOSurface: |
- return kSurfaceHandleTypeIOSurface; |
- case kTypeCAContext: |
- return kSurfaceHandleTypeCAContext; |
- } |
- return kSurfaceHandleTypeInvalid; |
-} |
- |
-IOSurfaceID IOSurfaceIDFromSurfaceHandle(uint64 surface_handle) { |
- DCHECK_EQ(kSurfaceHandleTypeIOSurface, GetSurfaceHandleType(surface_handle)); |
- return static_cast<uint32>(surface_handle) ^ kXORMaskIOSurface; |
-} |
- |
-CAContextID CAContextIDFromSurfaceHandle(uint64 surface_handle) { |
- DCHECK_EQ(kSurfaceHandleTypeCAContext, GetSurfaceHandleType(surface_handle)); |
- return static_cast<uint32>(surface_handle) ^ kXORMaskCAContext; |
-} |
- |
-uint64 SurfaceHandleFromIOSurfaceID(IOSurfaceID io_surface_id) { |
- return kTypeIOSurface | (io_surface_id ^ kXORMaskIOSurface); |
-} |
- |
-uint64 SurfaceHandleFromCAContextID(CAContextID ca_context_id) { |
- return kTypeCAContext | (ca_context_id ^ kXORMaskCAContext); |
-} |
- |
-} // namespace content |