skia2/tools/gpu/YUVUtils.cpp
Michael Ludwig d9958f865c Use YUV effect in drawEdgeAAImageSet
Adds YUV planar image to the compositor_quads_image GM, confirmed
locally that it uses the effect instead of flattening the planes
into a single proxy (like before).

Bug: skia:
Change-Id: I0dea16bbaae34ae44cb1b51db9d2953231a6bf22
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201619
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2019-03-21 17:43:28 +00:00

89 lines
2.6 KiB
C++

/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "YUVUtils.h"
#include "GrContext.h"
#include "GrContextPriv.h"
#include "SkCodecImageGenerator.h"
#include "SkData.h"
namespace sk_gpu_test {
std::unique_ptr<LazyYUVImage> LazyYUVImage::Make(sk_sp<SkData> data) {
std::unique_ptr<LazyYUVImage> image(new LazyYUVImage());
if (image->reset(std::move(data))) {
return image;
} else {
return nullptr;
}
}
sk_sp<SkImage> LazyYUVImage::refImage(GrContext* context) {
if (this->ensureYUVImage(context)) {
return fYUVImage;
} else {
return nullptr;
}
}
const SkImage* LazyYUVImage::getImage(GrContext* context) {
if (this->ensureYUVImage(context)) {
return fYUVImage.get();
} else {
return nullptr;
}
}
bool LazyYUVImage::reset(sk_sp<SkData> data) {
auto codec = SkCodecImageGenerator::MakeFromEncodedCodec(data);
if (!codec) {
return false;
}
if (!codec->queryYUVA8(&fSizeInfo, fComponents, &fColorSpace)) {
return false;
}
fPlaneData.reset(fSizeInfo.computeTotalBytes());
void* planes[SkYUVASizeInfo::kMaxCount];
fSizeInfo.computePlanes(fPlaneData.get(), planes);
if (!codec->getYUVA8Planes(fSizeInfo, fComponents, planes)) {
return false;
}
for (int i = 0; i < SkYUVASizeInfo::kMaxCount; ++i) {
if (fSizeInfo.fSizes[i].isEmpty()) {
fPlanes[i].reset();
} else {
SkASSERT(planes[i]);
auto planeInfo = SkImageInfo::Make(fSizeInfo.fSizes[i].fWidth,
fSizeInfo.fSizes[i].fHeight,
kGray_8_SkColorType, kOpaque_SkAlphaType, nullptr);
fPlanes[i].reset(planeInfo, planes[i], fSizeInfo.fWidthBytes[i]);
}
}
// The SkPixmap data is fully configured now for MakeFromYUVAPixmaps once we get a GrContext
return true;
}
bool LazyYUVImage::ensureYUVImage(GrContext* context) {
if (!context) {
return false; // Cannot make a YUV image from planes
}
if (context->priv().contextID() == fOwningContextID) {
return fYUVImage != nullptr; // Have already made a YUV image (or tried and failed)
}
// Must make a new YUV image
fYUVImage = SkImage::MakeFromYUVAPixmaps(context, fColorSpace, fPlanes, fComponents,
fSizeInfo.fSizes[0], kTopLeft_GrSurfaceOrigin, false, false);
fOwningContextID = context->priv().contextID();
return fYUVImage != nullptr;
}
} // namespace sk_gpu_test