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| author |  sugoi <sugoi@chromium.org> | 2015-03-06 05:16:52 -0800 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2015-03-06 05:16:52 -0800 |
| commit | 4ab3dbb636d07d03df1190c8a2b0a730e30e0d29 (patch) | |
| tree | ac3dae56208e9bec344333e4dd87a1d35c87907c /src/gpu/SkGr.cpp | |
| parent | 55f0b18ee079b1517f43c08c70f91e1a21928d23 (diff) | |
Adding linear interpolation to rgb->yuv conversion
When the UV planes are smaller than the Y plane, doing the upscaling in nearest mode was creating artefacts, so I changed it to use linear interpolation to fix the issue.
BUG=460380
Committed: https://skia.googlesource.com/skia/+/cd9d42c5167a50f1bf20e969343556d61354171b
Review URL: https://codereview.chromium.org/973563002
Diffstat (limited to 'src/gpu/SkGr.cpp')
| -rw-r--r-- | src/gpu/SkGr.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp index ff6f7fa098..d105418377 100644 --- a/src/gpu/SkGr.cpp +++ b/src/gpu/SkGr.cpp @@ -365,8 +365,12 @@ static GrTexture* load_yuv_texture(GrContext* ctx, const GrUniqueKey& optionalKe for (int i = 0; i < 3; ++i) { yuvDesc.fWidth = yuvInfo.fSize[i].fWidth; yuvDesc.fHeight = yuvInfo.fSize[i].fHeight; - yuvTextures[i].reset( - ctx->refScratchTexture(yuvDesc, GrContext::kApprox_ScratchTexMatch)); + bool needsExactTexture = + (yuvDesc.fWidth != yuvInfo.fSize[0].fWidth) || + (yuvDesc.fHeight != yuvInfo.fSize[0].fHeight); + yuvTextures[i].reset(ctx->refScratchTexture(yuvDesc, + needsExactTexture ? GrContext::kExact_ScratchTexMatch : + GrContext::kApprox_ScratchTexMatch)); if (!yuvTextures[i] || !yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, yuvDesc.fConfig, planes[i], yuvInfo.fRowBytes[i])) { |