| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "DDLPromiseImageHelper.h" |
| |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrGpu.h" |
| #include "SkCachedData.h" |
| #include "SkDeferredDisplayListRecorder.h" |
| #include "SkImage_Base.h" |
| #include "SkImagePriv.h" |
| #include "SkYUVSizeInfo.h" |
| |
| DDLPromiseImageHelper::PromiseImageCallbackContext::~PromiseImageCallbackContext() { |
| GrGpu* gpu = fContext->contextPriv().getGpu(); |
| |
| if (fBackendTexture.isValid()) { |
| gpu->deleteTestingOnlyBackendTexture(fBackendTexture); |
| } |
| } |
| |
| const GrCaps* DDLPromiseImageHelper::PromiseImageCallbackContext::caps() const { |
| return fContext->contextPriv().caps(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| DDLPromiseImageHelper::~DDLPromiseImageHelper() {} |
| |
| sk_sp<SkData> DDLPromiseImageHelper::deflateSKP(const SkPicture* inputPicture) { |
| SkSerialProcs procs; |
| |
| procs.fImageCtx = this; |
| procs.fImageProc = [](SkImage* image, void* ctx) -> sk_sp<SkData> { |
| auto helper = static_cast<DDLPromiseImageHelper*>(ctx); |
| |
| int id = helper->findOrDefineImage(image); |
| if (id >= 0) { |
| SkASSERT(helper->isValidID(id)); |
| return SkData::MakeWithCopy(&id, sizeof(id)); |
| } |
| |
| return nullptr; |
| }; |
| |
| return inputPicture->serialize(&procs); |
| } |
| |
| void DDLPromiseImageHelper::uploadAllToGPU(GrContext* context) { |
| GrGpu* gpu = context->contextPriv().getGpu(); |
| SkASSERT(gpu); |
| |
| for (int i = 0; i < fImageInfo.count(); ++i) { |
| const PromiseImageInfo& info = fImageInfo[i]; |
| |
| // DDL TODO: how can we tell if we need mipmapping! |
| if (info.isYUV()) { |
| for (int j = 0; j < 3; ++j) { |
| const SkPixmap& yuvPixmap = info.yuvPixmap(j); |
| |
| sk_sp<PromiseImageCallbackContext> callbackContext( |
| new PromiseImageCallbackContext(context)); |
| callbackContext->setBackendTexture(gpu->createTestingOnlyBackendTexture( |
| yuvPixmap.addr(), |
| yuvPixmap.width(), |
| yuvPixmap.height(), |
| yuvPixmap.colorType(), |
| false, GrMipMapped::kNo, |
| yuvPixmap.rowBytes())); |
| SkAssertResult(callbackContext->backendTexture().isValid()); |
| |
| fImageInfo[i].setCallbackContext(j, std::move(callbackContext)); |
| } |
| } else { |
| sk_sp<PromiseImageCallbackContext> callbackContext( |
| new PromiseImageCallbackContext(context)); |
| |
| const SkBitmap& bm = info.normalBitmap(); |
| |
| callbackContext->setBackendTexture(gpu->createTestingOnlyBackendTexture( |
| bm.getPixels(), |
| bm.width(), |
| bm.height(), |
| bm.colorType(), |
| false, GrMipMapped::kNo, |
| bm.rowBytes())); |
| // The GMs sometimes request too large an image |
| //SkAssertResult(callbackContext->backendTexture().isValid()); |
| |
| fImageInfo[i].setCallbackContext(0, std::move(callbackContext)); |
| } |
| |
| } |
| } |
| |
| sk_sp<SkPicture> DDLPromiseImageHelper::reinflateSKP( |
| SkDeferredDisplayListRecorder* recorder, |
| SkData* compressedPictureData, |
| SkTArray<sk_sp<SkImage>>* promiseImages) const { |
| PerRecorderContext perRecorderContext { recorder, this, promiseImages }; |
| |
| SkDeserialProcs procs; |
| procs.fImageCtx = (void*) &perRecorderContext; |
| procs.fImageProc = PromiseImageCreator; |
| |
| return SkPicture::MakeFromData(compressedPictureData, &procs); |
| } |
| |
| // This generates promise images to replace the indices in the compressed picture. This |
| // reconstitution is performed separately in each thread so we end up with multiple |
| // promise images referring to the same GrBackendTexture. |
| sk_sp<SkImage> DDLPromiseImageHelper::PromiseImageCreator(const void* rawData, |
| size_t length, void* ctxIn) { |
| PerRecorderContext* perRecorderContext = static_cast<PerRecorderContext*>(ctxIn); |
| const DDLPromiseImageHelper* helper = perRecorderContext->fHelper; |
| SkDeferredDisplayListRecorder* recorder = perRecorderContext->fRecorder; |
| |
| SkASSERT(length == sizeof(int)); |
| |
| const int* indexPtr = static_cast<const int*>(rawData); |
| SkASSERT(helper->isValidID(*indexPtr)); |
| |
| const DDLPromiseImageHelper::PromiseImageInfo& curImage = helper->getInfo(*indexPtr); |
| |
| if (!curImage.backendTexture(0).isValid()) { |
| SkASSERT(!curImage.isYUV()); |
| // We weren't able to make a backend texture for this SkImage. In this case we create |
| // a separate bitmap-backed image for each thread. |
| SkASSERT(curImage.normalBitmap().isImmutable()); |
| return SkImage::MakeFromBitmap(curImage.normalBitmap()); |
| } |
| SkASSERT(curImage.index() == *indexPtr); |
| |
| const GrCaps* caps = curImage.caps(); |
| |
| sk_sp<SkImage> image; |
| if (curImage.isYUV()) { |
| GrBackendFormat backendFormats[4]; |
| void* contexts[4] = { nullptr, nullptr, nullptr, nullptr }; |
| |
| for (int i = 0; i < 3; ++i) { |
| const GrBackendTexture& backendTex = curImage.backendTexture(i); |
| backendFormats[i] = caps->createFormatFromBackendTexture(backendTex); |
| |
| contexts[i] = curImage.refCallbackContext(i).release(); |
| } |
| |
| SkYUVAIndex yuvaIndices[4] = { |
| SkYUVAIndex{0, SkImageSourceChannel::kA_SkImageSourceChannel}, |
| SkYUVAIndex{1, SkImageSourceChannel::kA_SkImageSourceChannel}, |
| SkYUVAIndex{2, SkImageSourceChannel::kA_SkImageSourceChannel}, |
| SkYUVAIndex{-1, SkImageSourceChannel::kA_SkImageSourceChannel} |
| }; |
| |
| int tempWidth = curImage.backendTexture(0).width(); |
| int tempHeight = curImage.backendTexture(0).height(); |
| |
| image = recorder->makeYUVAPromiseTexture(curImage.yuvColorSpace(), |
| backendFormats, |
| yuvaIndices, |
| tempWidth, //curImage.overallWidth(), |
| tempHeight, //curImage.overallHeight(), |
| GrSurfaceOrigin::kTopLeft_GrSurfaceOrigin, |
| curImage.refOverallColorSpace(), |
| DDLPromiseImageHelper::PromiseImageFulfillProc, |
| DDLPromiseImageHelper::PromiseImageReleaseProc, |
| DDLPromiseImageHelper::PromiseImageDoneProc, |
| contexts); |
| |
| } else { |
| const GrBackendTexture& backendTex = curImage.backendTexture(0); |
| GrBackendFormat backendFormat = caps->createFormatFromBackendTexture(backendTex); |
| |
| // Each DDL recorder gets its own ref on the promise callback context for the |
| // promise images it creates. |
| // DDL TODO: sort out mipmapping |
| image = recorder->makePromiseTexture(backendFormat, |
| curImage.overallWidth(), |
| curImage.overallHeight(), |
| GrMipMapped::kNo, |
| GrSurfaceOrigin::kTopLeft_GrSurfaceOrigin, |
| curImage.overallColorType(), |
| curImage.overallAlphaType(), |
| curImage.refOverallColorSpace(), |
| DDLPromiseImageHelper::PromiseImageFulfillProc, |
| DDLPromiseImageHelper::PromiseImageReleaseProc, |
| DDLPromiseImageHelper::PromiseImageDoneProc, |
| (void*) curImage.refCallbackContext(0).release()); |
| } |
| perRecorderContext->fPromiseImages->push_back(image); |
| SkASSERT(image); |
| return image; |
| } |
| |
| int DDLPromiseImageHelper::findImage(SkImage* image) const { |
| for (int i = 0; i < fImageInfo.count(); ++i) { |
| if (fImageInfo[i].originalUniqueID() == image->uniqueID()) { // trying to dedup here |
| SkASSERT(fImageInfo[i].index() == i); |
| SkASSERT(this->isValidID(i) && this->isValidID(fImageInfo[i].index())); |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| int DDLPromiseImageHelper::addImage(SkImage* image) { |
| SkImage_Base* ib = as_IB(image); |
| |
| SkImageInfo overallII = SkImageInfo::Make(image->width(), image->height(), |
| image->colorType(), image->alphaType(), |
| image->refColorSpace()); |
| |
| PromiseImageInfo& newImageInfo = fImageInfo.emplace_back(fImageInfo.count(), |
| image->uniqueID(), |
| overallII); |
| |
| SkYUVSizeInfo yuvSizeInfo; |
| SkYUVColorSpace yuvColorSpace; |
| const void* planes[3]; |
| sk_sp<SkCachedData> yuvData = ib->getPlanes(&yuvSizeInfo, &yuvColorSpace, planes); |
| if (yuvData) { |
| newImageInfo.setYUVData(std::move(yuvData), yuvColorSpace); |
| |
| for (int i = 0; i < 3; ++i) { |
| SkImageInfo planeII = SkImageInfo::MakeA8(yuvSizeInfo.fSizes[i].fWidth, |
| yuvSizeInfo.fSizes[i].fHeight); |
| newImageInfo.addYUVPlane(i, planeII, planes[i], yuvSizeInfo.fWidthBytes[i]); |
| } |
| } else { |
| sk_sp<SkImage> rasterImage = image->makeRasterImage(); // force decoding of lazy images |
| |
| SkBitmap tmp; |
| tmp.allocPixels(overallII); |
| |
| if (!rasterImage->readPixels(tmp.pixmap(), 0, 0)) { |
| return -1; |
| } |
| |
| tmp.setImmutable(); |
| newImageInfo.setNormalBitmap(tmp); |
| } |
| // In either case newImageInfo's PromiseImageCallbackContext is filled in by uploadAllToGPU |
| |
| return fImageInfo.count()-1; |
| } |
| |
| int DDLPromiseImageHelper::findOrDefineImage(SkImage* image) { |
| int preExistingID = this->findImage(image); |
| if (preExistingID >= 0) { |
| SkASSERT(this->isValidID(preExistingID)); |
| return preExistingID; |
| } |
| |
| int newID = this->addImage(image); |
| SkASSERT(this->isValidID(newID)); |
| return newID; |
| } |