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MozillaThunderbird.17834
mozilla-bmo849632.patch
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File mozilla-bmo849632.patch of Package MozillaThunderbird.17834
Problem: webGL sites are displayed in the wrong color (usually blue-ish) Solution: Problem is with skia once again. Output of webgl seems endian-correct, but skia only knows how to deal with little endian. So we swizzle the output of webgl after reading it from readpixels() Note: This does not fix all webGL sites, but is a step in the right direction diff -r 6b017d3e9733 gfx/gl/GLContext.h --- a/gfx/gl/GLContext.h Mon Sep 09 10:04:05 2019 +0200 +++ b/gfx/gl/GLContext.h Wed Nov 13 17:13:04 2019 +0100 @@ -1551,6 +1551,13 @@ BEFORE_GL_CALL; mSymbols.fReadPixels(x, y, width, height, format, type, pixels); OnSyncCall(); +#if MOZ_BIG_ENDIAN() + uint8_t* itr = (uint8_t*)pixels; + for (GLsizei i = 0; i < width * height; i++) { + NativeEndian::swapToLittleEndianInPlace((uint32_t*)itr, 1); + itr += 4; + } +#endif AFTER_GL_CALL; mHeavyGLCallsSinceLastFlush = true; }
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