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phajdan.jr 11/12/28 19:01:34 |
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Added: chromium-revert-jpeg-swizzle-r0.patch |
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Log: |
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Revert WebKit changeset responsible for Gentoo bug #393471 (bug reported by floppym, useful input by Julien Sanchez, Dan, Siarhei Siamashka, and excellent comments by DRC, the developer of libjpeg-turbo). Remove old. |
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(Portage version: 2.1.10.41/cvs/Linux i686) |
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Revision Changes Path |
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1.1 www-client/chromium/files/chromium-revert-jpeg-swizzle-r0.patch |
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file : http://sources.gentoo.org/viewvc.cgi/gentoo-x86/www-client/chromium/files/chromium-revert-jpeg-swizzle-r0.patch?rev=1.1&view=markup |
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plain: http://sources.gentoo.org/viewvc.cgi/gentoo-x86/www-client/chromium/files/chromium-revert-jpeg-swizzle-r0.patch?rev=1.1&content-type=text/plain |
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Index: chromium-revert-jpeg-swizzle-r0.patch |
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=================================================================== |
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This reverts http://trac.webkit.org/changeset/101286 |
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to fix Gentoo bug https://bugs.gentoo.org/show_bug.cgi?id=393471 |
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Index: third_party/WebKit/Source/WebCore/platform/image-decoders/jpeg/JPEGImageDecoder.cpp |
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=================================================================== |
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--- third_party/WebKit/Source/WebCore/platform/image-decoders/jpeg/JPEGImageDecoder.cpp (revision 96970) |
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+++ third_party/WebKit/Source/WebCore/platform/image-decoders/jpeg/JPEGImageDecoder.cpp (revision 101286) |
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@@ -63,20 +63,6 @@ |
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#include <setjmp.h> |
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-#if CPU(BIG_ENDIAN) || CPU(MIDDLE_ENDIAN) |
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-#define ASSUME_LITTLE_ENDIAN 0 |
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-#else |
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-#define ASSUME_LITTLE_ENDIAN 1 |
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-#endif |
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- |
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-#if defined(JCS_EXTENSIONS) && ASSUME_LITTLE_ENDIAN |
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-#define TURBO_JPEG_RGB_SWIZZLE |
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-inline J_COLOR_SPACE rgbOutputColorSpace() { return JCS_EXT_BGRX; } |
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-inline bool turboSwizzled(J_COLOR_SPACE colorSpace) { return colorSpace == rgbOutputColorSpace(); } |
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-#else |
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-inline J_COLOR_SPACE rgbOutputColorSpace() { return JCS_RGB; } |
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-#endif |
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- |
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namespace WebCore { |
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|
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struct decoder_error_mgr { |
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@@ -235,11 +221,10 @@ |
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// their color profile, CoreGraphics will "upsample" them |
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// again, resulting in horizontal distortions. |
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m_decoder->setIgnoreGammaAndColorProfile(true); |
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- m_info.out_color_space = JCS_RGB; |
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- break; |
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+ // Note fall-through! |
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case JCS_RGB: |
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case JCS_YCbCr: |
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- m_info.out_color_space = rgbOutputColorSpace(); |
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+ m_info.out_color_space = JCS_RGB; |
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break; |
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case JCS_CMYK: |
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case JCS_YCCK: |
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@@ -496,19 +481,6 @@ |
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} |
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jpeg_decompress_struct* info = m_reader->info(); |
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- |
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-#if !ENABLE(IMAGE_DECODER_DOWN_SAMPLING) && defined(TURBO_JPEG_RGB_SWIZZLE) |
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- if (turboSwizzled(info->out_color_space)) { |
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- ASSERT(!m_scaled); |
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- while (info->output_scanline < info->output_height) { |
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- unsigned char* row = reinterpret_cast<unsigned char*>(buffer.getAddr(0, info->output_scanline)); |
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- if (jpeg_read_scanlines(info, &row, 1) != 1) |
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- return false; |
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- } |
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- return true; |
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- } |
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-#endif |
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- |
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JSAMPARRAY samples = m_reader->samples(); |
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|
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while (info->output_scanline < info->output_height) { |
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