| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBitmap.h" |
| #include "SkBitmapCache.h" |
| #include "SkColorSpace_Base.h" |
| #include "SkImage_Base.h" |
| #include "SkImageCacherator.h" |
| #include "SkMallocPixelRef.h" |
| #include "SkNextID.h" |
| #include "SkPixelRef.h" |
| #include "SkResourceCache.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrGpuResourcePriv.h" |
| #include "GrImageTextureMaker.h" |
| #include "GrResourceKey.h" |
| #include "GrResourceProvider.h" |
| #include "GrSamplerParams.h" |
| #include "GrYUVProvider.h" |
| #include "SkGr.h" |
| #endif |
| |
| // Until we actually have codecs/etc. that can contain/support a GPU texture format |
| // skip this step, since for some generators, returning their encoded data as a SkData |
| // can be somewhat expensive, and this call doesn't indicate to the generator that we're |
| // only interested in GPU datas... |
| // see skbug.com/ 4971, 5128, ... |
| //#define SK_SUPPORT_COMPRESSED_TEXTURES_IN_CACHERATOR |
| |
| // Helper for exclusive access to a shared generator. |
| class SkImageCacherator::ScopedGenerator { |
| public: |
| ScopedGenerator(const sk_sp<SharedGenerator>& gen) |
| : fSharedGenerator(gen) |
| , fAutoAquire(gen->fMutex) {} |
| |
| SkImageGenerator* operator->() const { |
| fSharedGenerator->fMutex.assertHeld(); |
| return fSharedGenerator->fGenerator.get(); |
| } |
| |
| operator SkImageGenerator*() const { |
| fSharedGenerator->fMutex.assertHeld(); |
| return fSharedGenerator->fGenerator.get(); |
| } |
| |
| private: |
| const sk_sp<SharedGenerator>& fSharedGenerator; |
| SkAutoExclusive fAutoAquire; |
| }; |
| |
| SkImageCacherator::Validator::Validator(sk_sp<SharedGenerator> gen, const SkIRect* subset) |
| : fSharedGenerator(std::move(gen)) { |
| |
| if (!fSharedGenerator) { |
| return; |
| } |
| |
| // The following generator accessors are safe without acquiring the mutex (const getters). |
| // TODO: refactor to use a ScopedGenerator instead, for clarity. |
| const SkImageInfo& info = fSharedGenerator->fGenerator->getInfo(); |
| if (info.isEmpty()) { |
| fSharedGenerator.reset(); |
| return; |
| } |
| |
| fUniqueID = fSharedGenerator->fGenerator->uniqueID(); |
| const SkIRect bounds = SkIRect::MakeWH(info.width(), info.height()); |
| if (subset) { |
| if (!bounds.contains(*subset)) { |
| fSharedGenerator.reset(); |
| return; |
| } |
| if (*subset != bounds) { |
| // we need a different uniqueID since we really are a subset of the raw generator |
| fUniqueID = SkNextID::ImageID(); |
| } |
| } else { |
| subset = &bounds; |
| } |
| |
| fInfo = info.makeWH(subset->width(), subset->height()); |
| fOrigin = SkIPoint::Make(subset->x(), subset->y()); |
| |
| // colortables are poorly to not-at-all supported in our resourcecache, so we |
| // bully them into N32 (the generator will perform the up-sample) |
| if (fInfo.colorType() == kIndex_8_SkColorType) { |
| fInfo = fInfo.makeColorType(kN32_SkColorType); |
| } |
| } |
| |
| SkImageCacherator* SkImageCacherator::NewFromGenerator(std::unique_ptr<SkImageGenerator> gen, |
| const SkIRect* subset) { |
| Validator validator(SharedGenerator::Make(std::move(gen)), subset); |
| |
| return validator ? new SkImageCacherator(&validator) : nullptr; |
| } |
| |
| SkImageCacherator::SkImageCacherator(Validator* validator) |
| : fSharedGenerator(std::move(validator->fSharedGenerator)) // we take ownership |
| , fInfo(validator->fInfo) |
| , fOrigin(validator->fOrigin) |
| { |
| SkASSERT(fSharedGenerator); |
| SkASSERT(fInfo.colorType() != kIndex_8_SkColorType); |
| // We explicit set the legacy format slot, but leave the others uninitialized (via SkOnce) |
| // and only resolove them to IDs as needed (by calling getUniqueID()). |
| fIDRecs[kLegacy_CachedFormat].fOnce([this, validator] { |
| fIDRecs[kLegacy_CachedFormat].fUniqueID = validator->fUniqueID; |
| }); |
| } |
| |
| SkImageCacherator::~SkImageCacherator() {} |
| |
| uint32_t SkImageCacherator::getUniqueID(CachedFormat format) const { |
| IDRec* rec = &fIDRecs[format]; |
| rec->fOnce([rec] { |
| rec->fUniqueID = SkNextID::ImageID(); |
| }); |
| return rec->fUniqueID; |
| } |
| |
| SkData* SkImageCacherator::refEncoded(GrContext* ctx) { |
| ScopedGenerator generator(fSharedGenerator); |
| return generator->refEncodedData(ctx); |
| } |
| |
| static bool check_output_bitmap(const SkBitmap& bitmap, uint32_t expectedID) { |
| SkASSERT(bitmap.getGenerationID() == expectedID); |
| SkASSERT(bitmap.isImmutable()); |
| SkASSERT(bitmap.getPixels()); |
| return true; |
| } |
| |
| bool SkImageCacherator::directGeneratePixels(const SkImageInfo& info, void* pixels, size_t rb, |
| int srcX, int srcY, |
| SkTransferFunctionBehavior behavior) { |
| ScopedGenerator generator(fSharedGenerator); |
| const SkImageInfo& genInfo = generator->getInfo(); |
| // Currently generators do not natively handle subsets, so check that first. |
| if (srcX || srcY || genInfo.width() != info.width() || genInfo.height() != info.height()) { |
| return false; |
| } |
| |
| SkImageGenerator::Options opts; |
| opts.fBehavior = behavior; |
| return generator->getPixels(info, pixels, rb, &opts); |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| bool SkImageCacherator::lockAsBitmapOnlyIfAlreadyCached(SkBitmap* bitmap, CachedFormat format) { |
| uint32_t uniqueID = this->getUniqueID(format); |
| return SkBitmapCache::Find(SkBitmapCacheDesc::Make(uniqueID, |
| fInfo.width(), fInfo.height()), bitmap) && |
| check_output_bitmap(*bitmap, uniqueID); |
| } |
| |
| static bool generate_pixels(SkImageGenerator* gen, const SkPixmap& pmap, int originX, int originY) { |
| const int genW = gen->getInfo().width(); |
| const int genH = gen->getInfo().height(); |
| const SkIRect srcR = SkIRect::MakeWH(genW, genH); |
| const SkIRect dstR = SkIRect::MakeXYWH(originX, originY, pmap.width(), pmap.height()); |
| if (!srcR.contains(dstR)) { |
| return false; |
| } |
| |
| // If they are requesting a subset, we have to have a temp allocation for full image, and |
| // then copy the subset into their allocation |
| SkBitmap full; |
| SkPixmap fullPM; |
| const SkPixmap* dstPM = &pmap; |
| if (srcR != dstR) { |
| if (!full.tryAllocPixels(pmap.info().makeWH(genW, genH))) { |
| return false; |
| } |
| if (!full.peekPixels(&fullPM)) { |
| return false; |
| } |
| dstPM = &fullPM; |
| } |
| |
| if (!gen->getPixels(dstPM->info(), dstPM->writable_addr(), dstPM->rowBytes())) { |
| return false; |
| } |
| |
| if (srcR != dstR) { |
| if (!full.readPixels(pmap, originX, originY)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool SkImageCacherator::tryLockAsBitmap(SkBitmap* bitmap, const SkImage* client, |
| SkImage::CachingHint chint, CachedFormat format, |
| const SkImageInfo& info) { |
| if (this->lockAsBitmapOnlyIfAlreadyCached(bitmap, format)) { |
| return true; |
| } |
| |
| uint32_t uniqueID = this->getUniqueID(format); |
| |
| SkBitmap tmpBitmap; |
| SkBitmapCache::RecPtr cacheRec; |
| SkPixmap pmap; |
| if (SkImage::kAllow_CachingHint == chint) { |
| auto desc = SkBitmapCacheDesc::Make(uniqueID, info.width(), info.height()); |
| cacheRec = SkBitmapCache::Alloc(desc, info, &pmap); |
| if (!cacheRec) { |
| return false; |
| } |
| } else { |
| if (!tmpBitmap.tryAllocPixels(info)) { |
| return false; |
| } |
| if (!tmpBitmap.peekPixels(&pmap)) { |
| return false; |
| } |
| } |
| |
| ScopedGenerator generator(fSharedGenerator); |
| if (!generate_pixels(generator, pmap, fOrigin.x(), fOrigin.y())) { |
| return false; |
| } |
| |
| if (cacheRec) { |
| SkBitmapCache::Add(std::move(cacheRec), bitmap); |
| SkASSERT(bitmap->getPixels()); // we're locked |
| SkASSERT(bitmap->isImmutable()); |
| SkASSERT(bitmap->getGenerationID() == uniqueID); |
| if (client) { |
| as_IB(client)->notifyAddedToCache(); |
| } |
| } else { |
| *bitmap = tmpBitmap; |
| bitmap->pixelRef()->setImmutableWithID(uniqueID); |
| } |
| return true; |
| } |
| |
| bool SkImageCacherator::lockAsBitmap(GrContext* context, SkBitmap* bitmap, const SkImage* client, |
| SkColorSpace* dstColorSpace, |
| SkImage::CachingHint chint) { |
| CachedFormat format = this->chooseCacheFormat(dstColorSpace); |
| SkImageInfo cacheInfo = this->buildCacheInfo(format); |
| const uint32_t uniqueID = this->getUniqueID(format); |
| |
| if (this->tryLockAsBitmap(bitmap, client, chint, format, cacheInfo)) { |
| return check_output_bitmap(*bitmap, uniqueID); |
| } |
| |
| #if SK_SUPPORT_GPU |
| if (!context) { |
| bitmap->reset(); |
| return false; |
| } |
| |
| // Try to get a texture and read it back to raster (and then cache that with our ID) |
| sk_sp<GrTextureProxy> proxy; |
| |
| { |
| ScopedGenerator generator(fSharedGenerator); |
| proxy = generator->generateTexture(context, cacheInfo, fOrigin); |
| } |
| if (!proxy) { |
| bitmap->reset(); |
| return false; |
| } |
| |
| const auto desc = SkBitmapCacheDesc::Make(uniqueID, fInfo.width(), fInfo.height()); |
| SkBitmapCache::RecPtr rec; |
| SkPixmap pmap; |
| if (SkImage::kAllow_CachingHint == chint) { |
| rec = SkBitmapCache::Alloc(desc, cacheInfo, &pmap); |
| if (!rec) { |
| bitmap->reset(); |
| return false; |
| } |
| } else { |
| if (!bitmap->tryAllocPixels(cacheInfo)) { |
| bitmap->reset(); |
| return false; |
| } |
| } |
| |
| sk_sp<GrSurfaceContext> sContext(context->contextPriv().makeWrappedSurfaceContext( |
| proxy, |
| fInfo.refColorSpace())); // src colorSpace |
| if (!sContext) { |
| bitmap->reset(); |
| return false; |
| } |
| |
| if (!sContext->readPixels(pmap.info(), pmap.writable_addr(), pmap.rowBytes(), 0, 0)) { |
| bitmap->reset(); |
| return false; |
| } |
| |
| if (rec) { |
| SkBitmapCache::Add(std::move(rec), bitmap); |
| if (client) { |
| as_IB(client)->notifyAddedToCache(); |
| } |
| } |
| return check_output_bitmap(*bitmap, uniqueID); |
| #else |
| return false; |
| #endif |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| // Abstraction of GrCaps that handles the cases where we don't have a caps pointer (because |
| // we're in raster mode), or where GPU support is entirely missing. In theory, we only need the |
| // chosen format to be texturable, but that lets us choose F16 on GLES implemenations where we |
| // won't be able to read the texture back. We'd like to ensure that SkImake::makeNonTextureImage |
| // works, so we require that the formats we choose are renderable (as a proxy for being readable). |
| struct CacheCaps { |
| CacheCaps(const GrCaps* caps) : fCaps(caps) {} |
| |
| #if SK_SUPPORT_GPU |
| bool supportsHalfFloat() const { |
| return !fCaps || |
| (fCaps->isConfigTexturable(kRGBA_half_GrPixelConfig) && |
| fCaps->isConfigRenderable(kRGBA_half_GrPixelConfig, false)); |
| } |
| |
| bool supportsSRGB() const { |
| return !fCaps || |
| (fCaps->srgbSupport() && fCaps->isConfigTexturable(kSRGBA_8888_GrPixelConfig)); |
| } |
| |
| bool supportsSBGR() const { |
| return !fCaps || fCaps->srgbSupport(); |
| } |
| #else |
| bool supportsHalfFloat() const { return true; } |
| bool supportsSRGB() const { return true; } |
| bool supportsSBGR() const { return true; } |
| #endif |
| |
| const GrCaps* fCaps; |
| }; |
| |
| SkImageCacherator::CachedFormat SkImageCacherator::chooseCacheFormat(SkColorSpace* dstColorSpace, |
| const GrCaps* grCaps) { |
| SkColorSpace* cs = fInfo.colorSpace(); |
| if (!cs || !dstColorSpace) { |
| return kLegacy_CachedFormat; |
| } |
| |
| CacheCaps caps(grCaps); |
| switch (fInfo.colorType()) { |
| case kUnknown_SkColorType: |
| case kAlpha_8_SkColorType: |
| case kRGB_565_SkColorType: |
| case kARGB_4444_SkColorType: |
| // We don't support color space on these formats, so always decode in legacy mode: |
| // TODO: Ask the codec to decode these to something else (at least sRGB 8888)? |
| return kLegacy_CachedFormat; |
| |
| case kIndex_8_SkColorType: |
| SkDEBUGFAIL("Index_8 should have been remapped at construction time."); |
| return kLegacy_CachedFormat; |
| |
| case kGray_8_SkColorType: |
| // TODO: What do we do with grayscale sources that have strange color spaces attached? |
| // The codecs and color space xform don't handle this correctly (yet), so drop it on |
| // the floor. (Also, inflating by a factor of 8 is going to be unfortunate). |
| // As it is, we don't directly support sRGB grayscale, so ask the codec to convert |
| // it for us. This bypasses some really sketchy code GrUploadPixmapToTexture. |
| if (cs->gammaCloseToSRGB() && caps.supportsSRGB()) { |
| return kSRGB8888_CachedFormat; |
| } else { |
| return kLegacy_CachedFormat; |
| } |
| |
| case kRGBA_8888_SkColorType: |
| if (cs->gammaCloseToSRGB()) { |
| if (caps.supportsSRGB()) { |
| return kSRGB8888_CachedFormat; |
| } else if (caps.supportsHalfFloat()) { |
| return kLinearF16_CachedFormat; |
| } else { |
| return kLegacy_CachedFormat; |
| } |
| } else { |
| if (caps.supportsHalfFloat()) { |
| return kLinearF16_CachedFormat; |
| } else if (caps.supportsSRGB()) { |
| return kSRGB8888_CachedFormat; |
| } else { |
| return kLegacy_CachedFormat; |
| } |
| } |
| |
| case kBGRA_8888_SkColorType: |
| // Odd case. sBGRA isn't a real thing, so we may not have this texturable. |
| if (caps.supportsSBGR()) { |
| if (cs->gammaCloseToSRGB()) { |
| return kSBGR8888_CachedFormat; |
| } else if (caps.supportsHalfFloat()) { |
| return kLinearF16_CachedFormat; |
| } else if (caps.supportsSRGB()) { |
| return kSRGB8888_CachedFormat; |
| } else { |
| // sBGRA support without sRGBA is highly unlikely (impossible?) Nevertheless. |
| return kLegacy_CachedFormat; |
| } |
| } else { |
| if (cs->gammaCloseToSRGB()) { |
| if (caps.supportsSRGB()) { |
| return kSRGB8888_CachedFormat; |
| } else if (caps.supportsHalfFloat()) { |
| return kLinearF16_CachedFormat; |
| } else { |
| return kLegacy_CachedFormat; |
| } |
| } else { |
| if (caps.supportsHalfFloat()) { |
| return kLinearF16_CachedFormat; |
| } else if (caps.supportsSRGB()) { |
| return kSRGB8888_CachedFormat; |
| } else { |
| return kLegacy_CachedFormat; |
| } |
| } |
| } |
| |
| case kRGBA_F16_SkColorType: |
| if (caps.supportsHalfFloat()) { |
| return kLinearF16_CachedFormat; |
| } else if (caps.supportsSRGB()) { |
| return kSRGB8888_CachedFormat; |
| } else { |
| return kLegacy_CachedFormat; |
| } |
| } |
| SkDEBUGFAIL("Unreachable"); |
| return kLegacy_CachedFormat; |
| } |
| |
| SkImageInfo SkImageCacherator::buildCacheInfo(CachedFormat format) { |
| switch (format) { |
| case kLegacy_CachedFormat: |
| return fInfo.makeColorSpace(nullptr); |
| case kLinearF16_CachedFormat: |
| return fInfo.makeColorType(kRGBA_F16_SkColorType) |
| .makeColorSpace(as_CSB(fInfo.colorSpace())->makeLinearGamma()); |
| case kSRGB8888_CachedFormat: |
| // If the transfer function is nearly (but not exactly) sRGB, we don't want the codec |
| // to bother trans-coding. It would be slow, and do more harm than good visually, |
| // so we make sure to leave the colorspace as-is. |
| if (fInfo.colorSpace()->gammaCloseToSRGB()) { |
| return fInfo.makeColorType(kRGBA_8888_SkColorType); |
| } else { |
| return fInfo.makeColorType(kRGBA_8888_SkColorType) |
| .makeColorSpace(as_CSB(fInfo.colorSpace())->makeSRGBGamma()); |
| } |
| case kSBGR8888_CachedFormat: |
| // See note above about not-quite-sRGB transfer functions. |
| if (fInfo.colorSpace()->gammaCloseToSRGB()) { |
| return fInfo.makeColorType(kBGRA_8888_SkColorType); |
| } else { |
| return fInfo.makeColorType(kBGRA_8888_SkColorType) |
| .makeColorSpace(as_CSB(fInfo.colorSpace())->makeSRGBGamma()); |
| } |
| default: |
| SkDEBUGFAIL("Invalid cached format"); |
| return fInfo; |
| } |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #if SK_SUPPORT_GPU |
| |
| void SkImageCacherator::makeCacheKeyFromOrigKey(const GrUniqueKey& origKey, CachedFormat format, |
| GrUniqueKey* cacheKey) { |
| SkASSERT(!cacheKey->isValid()); |
| if (origKey.isValid()) { |
| static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain(); |
| GrUniqueKey::Builder builder(cacheKey, origKey, kDomain, 1); |
| builder[0] = format; |
| } |
| } |
| |
| #ifdef SK_SUPPORT_COMPRESSED_TEXTURES_IN_CACHERATOR |
| static GrTexture* load_compressed_into_texture(GrContext* ctx, SkData* data, GrSurfaceDesc desc) { |
| const void* rawStart; |
| GrPixelConfig config = GrIsCompressedTextureDataSupported(ctx, data, desc.fWidth, desc.fHeight, |
| &rawStart); |
| if (kUnknown_GrPixelConfig == config) { |
| return nullptr; |
| } |
| |
| desc.fConfig = config; |
| return ctx->resourceProvider()->createTexture(desc, SkBudgeted::kYes, rawStart, 0); |
| } |
| #endif |
| |
| class Generator_GrYUVProvider : public GrYUVProvider { |
| SkImageGenerator* fGen; |
| |
| public: |
| Generator_GrYUVProvider(SkImageGenerator* gen) : fGen(gen) {} |
| |
| uint32_t onGetID() override { return fGen->uniqueID(); } |
| bool onQueryYUV8(SkYUVSizeInfo* sizeInfo, SkYUVColorSpace* colorSpace) const override { |
| return fGen->queryYUV8(sizeInfo, colorSpace); |
| } |
| bool onGetYUV8Planes(const SkYUVSizeInfo& sizeInfo, void* planes[3]) override { |
| return fGen->getYUV8Planes(sizeInfo, planes); |
| } |
| }; |
| |
| static void set_key_on_proxy(GrResourceProvider* resourceProvider, |
| GrTextureProxy* proxy, const GrUniqueKey& key) { |
| if (key.isValid()) { |
| resourceProvider->assignUniqueKeyToProxy(key, proxy); |
| } |
| } |
| |
| sk_sp<SkColorSpace> SkImageCacherator::getColorSpace(GrContext* ctx, SkColorSpace* dstColorSpace) { |
| // TODO: This isn't always correct. Picture generator currently produces textures in N32, |
| // and will (soon) emit them in an arbitrary (destination) space. We will need to stash that |
| // information in/on the key so we can return the correct space in case #1 of lockTexture. |
| CachedFormat format = this->chooseCacheFormat(dstColorSpace, ctx->caps()); |
| SkImageInfo cacheInfo = this->buildCacheInfo(format); |
| return sk_ref_sp(cacheInfo.colorSpace()); |
| } |
| |
| /* |
| * We have a 5 ways to try to return a texture (in sorted order) |
| * |
| * 1. Check the cache for a pre-existing one |
| * 2. Ask the generator to natively create one |
| * 3. Ask the generator to return a compressed form that the GPU might support |
| * 4. Ask the generator to return YUV planes, which the GPU can convert |
| * 5. Ask the generator to return RGB(A) data, which the GPU can convert |
| */ |
| sk_sp<GrTextureProxy> SkImageCacherator::lockTextureProxy(GrContext* ctx, |
| const GrUniqueKey& origKey, |
| const SkImage* client, |
| SkImage::CachingHint chint, |
| bool willBeMipped, |
| SkColorSpace* dstColorSpace) { |
| // Values representing the various texture lock paths we can take. Used for logging the path |
| // taken to a histogram. |
| enum LockTexturePath { |
| kFailure_LockTexturePath, |
| kPreExisting_LockTexturePath, |
| kNative_LockTexturePath, |
| kCompressed_LockTexturePath, |
| kYUV_LockTexturePath, |
| kRGBA_LockTexturePath, |
| }; |
| |
| enum { kLockTexturePathCount = kRGBA_LockTexturePath + 1 }; |
| |
| // Determine which cached format we're going to use (which may involve decoding to a different |
| // info than the generator provides). |
| CachedFormat format = this->chooseCacheFormat(dstColorSpace, ctx->caps()); |
| |
| // Fold the cache format into our texture key |
| GrUniqueKey key; |
| this->makeCacheKeyFromOrigKey(origKey, format, &key); |
| |
| // 1. Check the cache for a pre-existing one |
| if (key.isValid()) { |
| if (sk_sp<GrTextureProxy> proxy = ctx->resourceProvider()->findProxyByUniqueKey(key)) { |
| SK_HISTOGRAM_ENUMERATION("LockTexturePath", kPreExisting_LockTexturePath, |
| kLockTexturePathCount); |
| return proxy; |
| } |
| } |
| |
| // The CachedFormat is both an index for which cache "slot" we'll use to store this particular |
| // decoded variant of the encoded data, and also a recipe for how to transform the original |
| // info to get the one that we're going to decode to. |
| SkImageInfo cacheInfo = this->buildCacheInfo(format); |
| |
| // 2. Ask the generator to natively create one |
| { |
| ScopedGenerator generator(fSharedGenerator); |
| if (sk_sp<GrTextureProxy> proxy = generator->generateTexture(ctx, cacheInfo, fOrigin)) { |
| SK_HISTOGRAM_ENUMERATION("LockTexturePath", kNative_LockTexturePath, |
| kLockTexturePathCount); |
| set_key_on_proxy(ctx->resourceProvider(), proxy.get(), key); |
| return proxy; |
| } |
| } |
| |
| const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(cacheInfo, *ctx->caps()); |
| |
| #ifdef SK_SUPPORT_COMPRESSED_TEXTURES_IN_CACHERATOR |
| // 3. Ask the generator to return a compressed form that the GPU might support |
| sk_sp<SkData> data(this->refEncoded(ctx)); |
| if (data) { |
| GrTexture* tex = load_compressed_into_texture(ctx, data, desc); |
| if (tex) { |
| SK_HISTOGRAM_ENUMERATION("LockTexturePath", kCompressed_LockTexturePath, |
| kLockTexturePathCount); |
| return set_key_and_return(tex, key); |
| } |
| } |
| #endif |
| |
| // 4. Ask the generator to return YUV planes, which the GPU can convert |
| if (!ctx->contextPriv().disableGpuYUVConversion()) { |
| ScopedGenerator generator(fSharedGenerator); |
| Generator_GrYUVProvider provider(generator); |
| if (sk_sp<GrTextureProxy> proxy = provider.refAsTextureProxy(ctx, desc, true)) { |
| SK_HISTOGRAM_ENUMERATION("LockTexturePath", kYUV_LockTexturePath, |
| kLockTexturePathCount); |
| set_key_on_proxy(ctx->resourceProvider(), proxy.get(), key); |
| return proxy; |
| } |
| } |
| |
| // 5. Ask the generator to return RGB(A) data, which the GPU can convert |
| SkBitmap bitmap; |
| if (this->tryLockAsBitmap(&bitmap, client, chint, format, cacheInfo)) { |
| sk_sp<GrTextureProxy> proxy; |
| if (willBeMipped) { |
| proxy = GrGenerateMipMapsAndUploadToTextureProxy(ctx, bitmap, dstColorSpace); |
| } |
| if (!proxy) { |
| proxy = GrUploadBitmapToTextureProxy(ctx->resourceProvider(), bitmap); |
| } |
| if (proxy) { |
| SK_HISTOGRAM_ENUMERATION("LockTexturePath", kRGBA_LockTexturePath, |
| kLockTexturePathCount); |
| set_key_on_proxy(ctx->resourceProvider(), proxy.get(), key); |
| return proxy; |
| } |
| } |
| SK_HISTOGRAM_ENUMERATION("LockTexturePath", kFailure_LockTexturePath, |
| kLockTexturePathCount); |
| return nullptr; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| sk_sp<GrTextureProxy> SkImageCacherator::lockAsTextureProxy(GrContext* ctx, |
| const GrSamplerParams& params, |
| SkColorSpace* dstColorSpace, |
| sk_sp<SkColorSpace>* texColorSpace, |
| const SkImage* client, |
| SkScalar scaleAdjust[2], |
| SkImage::CachingHint chint) { |
| if (!ctx) { |
| return nullptr; |
| } |
| |
| return GrImageTextureMaker(ctx, this, client, chint).refTextureProxyForParams(params, |
| dstColorSpace, |
| texColorSpace, |
| scaleAdjust); |
| } |
| |
| #endif |
