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-rw-r--r--WebKit/mac/Misc/WebGraphicsExtras.c57
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diff --git a/WebKit/mac/Misc/WebGraphicsExtras.c b/WebKit/mac/Misc/WebGraphicsExtras.c
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--- a/WebKit/mac/Misc/WebGraphicsExtras.c
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-/*
- * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#import "WebGraphicsExtras.h"
-
-#import <Accelerate/Accelerate.h>
-#import <dlfcn.h>
-#import <wtf/Assertions.h>
-
-unsigned WebConvertBGRAToARGB(unsigned char *offscreenBuffer, int rowBytes, int x, int y, int width, int height)
-{
-
- static vImage_Error (*softLink_vImagePermuteChannels_ARGB8888)(const vImage_Buffer *src, const vImage_Buffer *dest, const uint8_t permuteMap[4], vImage_Flags flags) = NULL;
-
- if (!softLink_vImagePermuteChannels_ARGB8888) {
- void *framework = dlopen("/System/Library/Frameworks/Accelerate.framework/Accelerate", RTLD_NOW);
- ASSERT(framework);
- softLink_vImagePermuteChannels_ARGB8888 = dlsym(framework, "vImagePermuteChannels_ARGB8888");
- ASSERT(softLink_vImagePermuteChannels_ARGB8888);
- }
-
- void *swizzleImageBase = offscreenBuffer + y * rowBytes + x * 4;
- vImage_Buffer vImage = { swizzleImageBase, height, width, rowBytes };
- uint8_t vImagePermuteMap[4] = { 3, 2, 1, 0 }; // Where { 0, 1, 2, 3 } would leave the channels unchanged; this map converts BGRA to ARGB
- vImage_Error vImageError = softLink_vImagePermuteChannels_ARGB8888(&vImage, &vImage, vImagePermuteMap, 0);
- if (vImageError) {
- LOG_ERROR("Could not convert BGRA image to ARGB: %zd", vImageError);
- return FALSE;
- }
-
- return TRUE;
-}