GrTexture* GrTextureMaker::refTextureForParams(const GrTextureParams& params,
SkSourceGammaTreatment gammaTreatment) {
CopyParams copyParams;
bool willBeMipped = params.filterMode() == GrTextureParams::kMipMap_FilterMode;
if (!fContext->caps()->mipMapSupport()) {
willBeMipped = false;
}
if (!fContext->getGpu()->makeCopyForTextureParams(this->width(), this->height(), params,
©Params)) {
return this->refOriginalTexture(willBeMipped, gammaTreatment);
}
GrUniqueKey copyKey;
this->makeCopyKey(copyParams, ©Key);
if (copyKey.isValid()) {
GrTexture* result = fContext->textureProvider()->findAndRefTextureByUniqueKey(copyKey);
if (result) {
return result;
}
}
GrTexture* result = this->generateTextureForParams(copyParams, willBeMipped, gammaTreatment);
if (!result) {
return nullptr;
}
if (copyKey.isValid()) {
fContext->textureProvider()->assignUniqueKeyToTexture(copyKey, result);
this->didCacheCopy(copyKey);
}
return result;
}
GrTexture* GrTextureMaker::refCachedTexture(GrContext* ctx, const GrTextureParams* params) {
SkGrStretch stretch;
get_stretch(ctx, this->width(), this->height(), params, &stretch);
if (SkGrStretch::kNone_Type == stretch.fType) {
return this->onRefUnstretchedTexture(ctx);
}
GrUniqueKey stretchedKey;
if (this->onMakeStretchedKey(stretch, &stretchedKey)) {
GrTexture* result = ctx->textureProvider()->findAndRefTextureByUniqueKey(stretchedKey);
if (result) {
return result;
}
}
GrTexture* result = this->onGenerateStretchedTexture(ctx, stretch);
if (!result) {
return nullptr;
}
if (stretchedKey.isValid()) {
ctx->textureProvider()->assignUniqueKeyToTexture(stretchedKey, result);
this->onNotifyStretchCached(stretchedKey);
}
return result;
}
GrTexture* GrTextureMaker::refTextureForParams(const GrTextureParams& params) {
CopyParams copyParams;
if (!fContext->getGpu()->makeCopyForTextureParams(this->width(), this->height(), params,
©Params)) {
return this->refOriginalTexture();
}
GrUniqueKey copyKey;
this->makeCopyKey(copyParams, ©Key);
if (copyKey.isValid()) {
GrTexture* result = fContext->textureProvider()->findAndRefTextureByUniqueKey(copyKey);
if (result) {
return result;
}
}
GrTexture* result = this->generateTextureForParams(copyParams);
if (!result) {
return nullptr;
}
if (copyKey.isValid()) {
fContext->textureProvider()->assignUniqueKeyToTexture(copyKey, result);
this->didCacheCopy(copyKey);
}
return result;
}
sk_sp<GrTextureProxy> GrTextureAdjuster::refTextureProxyCopy(const CopyParams& copyParams,
bool willBeMipped) {
GrProxyProvider* proxyProvider = fContext->contextPriv().proxyProvider();
GrUniqueKey key;
this->makeCopyKey(copyParams, &key, nullptr);
if (key.isValid()) {
sk_sp<GrTextureProxy> cachedCopy =
proxyProvider->findOrCreateProxyByUniqueKey(key, this->originalProxy()->origin());
if (cachedCopy) {
return cachedCopy;
}
}
sk_sp<GrTextureProxy> proxy = this->originalProxyRef();
sk_sp<GrTextureProxy> copy = CopyOnGpu(fContext, std::move(proxy), copyParams, willBeMipped);
if (copy) {
if (key.isValid()) {
SkASSERT(copy->origin() == this->originalProxy()->origin());
proxyProvider->assignUniqueKeyToProxy(key, copy.get());
this->didCacheCopy(key);
}
}
return copy;
}
void draw(Target* target, const GrGeometryProcessor* gp) const {
GrResourceProvider* rp = target->resourceProvider();
SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, fViewMatrix,
fShape.bounds());
SkPath path;
fShape.asPath(&path);
bool inverseFill = path.isInverseFillType();
// construct a cache key from the path's genID and the view matrix
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey key;
static constexpr int kClipBoundsCnt = sizeof(fClipBounds) / sizeof(uint32_t);
int shapeKeyDataCnt = fShape.unstyledKeySize();
SkASSERT(shapeKeyDataCnt >= 0);
GrUniqueKey::Builder builder(&key, kDomain, shapeKeyDataCnt + kClipBoundsCnt);
fShape.writeUnstyledKey(&builder[0]);
// For inverse fills, the tessellation is dependent on clip bounds.
if (inverseFill) {
memcpy(&builder[shapeKeyDataCnt], &fClipBounds, sizeof(fClipBounds));
} else {
memset(&builder[shapeKeyDataCnt], 0, sizeof(fClipBounds));
}
builder.finish();
SkAutoTUnref<GrBuffer> cachedVertexBuffer(rp->findAndRefTByUniqueKey<GrBuffer>(key));
int actualCount;
if (cache_match(cachedVertexBuffer.get(), tol, &actualCount)) {
this->drawVertices(target, gp, cachedVertexBuffer.get(), 0, actualCount);
return;
}
bool isLinear;
bool canMapVB = GrCaps::kNone_MapFlags != target->caps().mapBufferFlags();
StaticVertexAllocator allocator(rp, canMapVB);
int count = GrTessellator::PathToTriangles(path, tol, fClipBounds, &allocator, &isLinear);
if (count == 0) {
return;
}
this->drawVertices(target, gp, allocator.vertexBuffer(), 0, count);
TessInfo info;
info.fTolerance = isLinear ? 0 : tol;
info.fCount = count;
SkAutoTUnref<SkData> data(SkData::NewWithCopy(&info, sizeof(info)));
key.setCustomData(data.get());
rp->assignUniqueKeyToResource(key, allocator.vertexBuffer());
}
void SkImage_Lazy::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, "Image");
builder[0] = format;
}
}
GrTexture* GrTextureAdjuster::refCopy(const CopyParams& copyParams) {
GrTexture* texture = this->originalTexture();
GrContext* context = texture->getContext();
const SkIRect* contentArea = this->contentAreaOrNull();
GrUniqueKey key;
this->makeCopyKey(copyParams, &key);
if (key.isValid()) {
GrTexture* cachedCopy = context->textureProvider()->findAndRefTextureByUniqueKey(key);
if (cachedCopy) {
return cachedCopy;
}
}
GrTexture* copy = copy_on_gpu(texture, contentArea, copyParams);
if (copy) {
if (key.isValid()) {
copy->resourcePriv().setUniqueKey(key);
this->didCacheCopy(key);
}
}
return copy;
}
static bool make_stretched_key(const GrUniqueKey& origKey, Stretch stretch,
GrUniqueKey* stretchedKey) {
if (origKey.isValid() && kNo_Stretch != stretch) {
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(stretchedKey, origKey, kDomain, 1);
builder[0] = stretch;
builder.finish();
return true;
}
SkASSERT(!stretchedKey->isValid());
return false;
}
sk_sp<GrTextureProxy> GrMakeCachedImageProxy(GrProxyProvider* proxyProvider,
sk_sp<SkImage> srcImage,
SkBackingFit fit) {
sk_sp<GrTextureProxy> proxy;
GrUniqueKey originalKey;
create_unique_key_for_image(srcImage.get(), &originalKey);
if (originalKey.isValid()) {
proxy = proxyProvider->findOrCreateProxyByUniqueKey(originalKey, kTopLeft_GrSurfaceOrigin);
}
if (!proxy) {
proxy = proxyProvider->createTextureProxy(std::move(srcImage), kNone_GrSurfaceFlags,
kTopLeft_GrSurfaceOrigin, 1, SkBudgeted::kYes,
fit);
if (proxy && originalKey.isValid()) {
proxyProvider->assignUniqueKeyToProxy(originalKey, proxy.get());
}
}
return proxy;
}
bool GrMakeStretchedKey(const GrUniqueKey& origKey, const SkGrStretch& stretch,
GrUniqueKey* stretchedKey) {
if (origKey.isValid() && SkGrStretch::kNone_Type != stretch.fType) {
uint32_t width = SkToU16(stretch.fWidth);
uint32_t height = SkToU16(stretch.fHeight);
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(stretchedKey, origKey, kDomain, 2);
builder[0] = stretch.fType;
builder[1] = width | (height << 16);
builder.finish();
return true;
}
SkASSERT(!stretchedKey->isValid());
return false;
}
void GrGpuResource::setUniqueKey(const GrUniqueKey& key) {
SkASSERT(this->internalHasRef());
SkASSERT(key.isValid());
// Wrapped and uncached resources can never have a unique key.
if (SkBudgeted::kNo == this->resourcePriv().isBudgeted()) {
return;
}
if (this->wasDestroyed()) {
return;
}
get_resource_cache(fGpu)->resourceAccess().changeUniqueKey(this, key);
}
static void set_key_on_proxy(GrProxyProvider* proxyProvider,
GrTextureProxy* proxy, GrTextureProxy* originalProxy,
const GrUniqueKey& key) {
if (key.isValid()) {
SkASSERT(proxy->origin() == kTopLeft_GrSurfaceOrigin);
if (originalProxy && originalProxy->getUniqueKey().isValid()) {
SkASSERT(originalProxy->getUniqueKey() == key);
SkASSERT(GrMipMapped::kYes == proxy->mipMapped() &&
GrMipMapped::kNo == originalProxy->mipMapped());
// If we had an originalProxy with a valid key, that means there already is a proxy in
// the cache which matches the key, but it does not have mip levels and we require them.
// Thus we must remove the unique key from that proxy.
proxyProvider->removeUniqueKeyFromProxy(key, originalProxy);
}
proxyProvider->assignUniqueKeyToProxy(key, proxy);
}
}
/*
* We have 4 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 YUV planes, which the GPU can convert
* 4. Ask the generator to return RGB(A) data, which the GPU can convert
*/
sk_sp<GrTextureProxy> SkImage_Lazy::lockTextureProxy(GrContext* ctx,
const GrUniqueKey& origKey,
SkImage::CachingHint chint,
bool willBeMipped,
SkColorSpace* dstColorSpace,
GrTextureMaker::AllowedTexGenType genType) {
// 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, // Deprecated
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);
GrProxyProvider* proxyProvider = ctx->contextPriv().proxyProvider();
sk_sp<GrTextureProxy> proxy;
// 1. Check the cache for a pre-existing one
if (key.isValid()) {
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kTopLeft_GrSurfaceOrigin);
if (proxy) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kPreExisting_LockTexturePath,
kLockTexturePathCount);
if (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped()) {
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.
const SkImageInfo cacheInfo = this->buildCacheInfo(format);
SkImageInfo genPixelsInfo = cacheInfo;
SkTransferFunctionBehavior behavior = getGeneratorBehaviorAndInfo(&genPixelsInfo);
// 2. Ask the generator to natively create one
if (!proxy) {
ScopedGenerator generator(fSharedGenerator);
if (GrTextureMaker::AllowedTexGenType::kCheap == genType &&
SkImageGenerator::TexGenType::kCheap != generator->onCanGenerateTexture()) {
return nullptr;
}
if ((proxy = generator->generateTexture(ctx, genPixelsInfo, fOrigin, behavior,
willBeMipped))) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kNative_LockTexturePath,
kLockTexturePathCount);
set_key_on_proxy(proxyProvider, proxy.get(), nullptr, key);
if (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped()) {
return proxy;
}
}
}
// 3. Ask the generator to return YUV planes, which the GPU can convert. If we will be mipping
// the texture we fall through here and have the CPU generate the mip maps for us.
if (!proxy && !willBeMipped && !ctx->contextPriv().disableGpuYUVConversion()) {
const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(cacheInfo, *ctx->caps());
ScopedGenerator generator(fSharedGenerator);
Generator_GrYUVProvider provider(generator);
// The pixels in the texture will be in the generator's color space. If onMakeColorSpace
// has been called then this will not match this image's color space. To correct this, apply
// a color space conversion from the generator's color space to this image's color space.
const SkColorSpace* generatorColorSpace =
fSharedGenerator->fGenerator->getInfo().colorSpace();
const SkColorSpace* thisColorSpace = fInfo.colorSpace();
// TODO: Update to create the mipped surface in the YUV generator and draw the base layer
// directly into the mipped surface.
proxy = provider.refAsTextureProxy(ctx, desc, generatorColorSpace, thisColorSpace);
if (proxy) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kYUV_LockTexturePath,
kLockTexturePathCount);
set_key_on_proxy(proxyProvider, proxy.get(), nullptr, key);
return proxy;
}
}
// 4. Ask the generator to return RGB(A) data, which the GPU can convert
SkBitmap bitmap;
if (!proxy && this->lockAsBitmap(&bitmap, chint, format, genPixelsInfo, behavior)) {
if (willBeMipped) {
proxy = proxyProvider->createMipMapProxyFromBitmap(bitmap, dstColorSpace);
}
if (!proxy) {
proxy = GrUploadBitmapToTextureProxy(proxyProvider, bitmap, dstColorSpace);
}
if (proxy && (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped())) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kRGBA_LockTexturePath,
kLockTexturePathCount);
set_key_on_proxy(proxyProvider, proxy.get(), nullptr, key);
return proxy;
}
}
if (proxy) {
// We need a mipped proxy, but we either found a proxy earlier that wasn't mipped, generated
// a native non mipped proxy, or generated a non-mipped yuv proxy. Thus we generate a new
// mipped surface and copy the original proxy into the base layer. We will then let the gpu
// generate the rest of the mips.
SkASSERT(willBeMipped);
SkASSERT(GrMipMapped::kNo == proxy->mipMapped());
if (auto mippedProxy = GrCopyBaseMipMapToTextureProxy(ctx, proxy.get())) {
set_key_on_proxy(proxyProvider, mippedProxy.get(), proxy.get(), key);
return mippedProxy;
}
// We failed to make a mipped proxy with the base copied into it. This could have
// been from failure to make the proxy or failure to do the copy. Thus we will fall
// back to just using the non mipped proxy; See skbug.com/7094.
return proxy;
}
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kFailure_LockTexturePath,
kLockTexturePathCount);
return nullptr;
}
void draw(Target* target, const GrGeometryProcessor* gp) const {
GrResourceProvider* rp = target->resourceProvider();
SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, fViewMatrix,
fPath.getBounds());
SkScalar styleScale = SK_Scalar1;
if (fStyle.applies()) {
styleScale = GrStyle::MatrixToScaleFactor(fViewMatrix);
}
// construct a cache key from the path's genID and the view matrix
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey key;
int clipBoundsCnt =
fPath.isInverseFillType() ? sizeof(fClipBounds) / sizeof(uint32_t) : 0;
int styleDataCnt = GrStyle::KeySize(fStyle, GrStyle::Apply::kPathEffectAndStrokeRec);
if (styleDataCnt >= 0) {
GrUniqueKey::Builder builder(&key, kDomain, 2 + clipBoundsCnt + styleDataCnt);
builder[0] = fPath.getGenerationID();
builder[1] = fPath.getFillType();
// For inverse fills, the tessellation is dependent on clip bounds.
if (fPath.isInverseFillType()) {
memcpy(&builder[2], &fClipBounds, sizeof(fClipBounds));
}
if (styleDataCnt) {
GrStyle::WriteKey(&builder[2 + clipBoundsCnt], fStyle,
GrStyle::Apply::kPathEffectAndStrokeRec, styleScale);
}
builder.finish();
SkAutoTUnref<GrBuffer> cachedVertexBuffer(rp->findAndRefTByUniqueKey<GrBuffer>(key));
int actualCount;
if (cache_match(cachedVertexBuffer.get(), tol, &actualCount)) {
this->drawVertices(target, gp, cachedVertexBuffer.get(), 0, actualCount);
return;
}
}
SkPath path;
if (fStyle.applies()) {
SkStrokeRec::InitStyle fill;
SkAssertResult(fStyle.applyToPath(&path, &fill, fPath, styleScale));
SkASSERT(SkStrokeRec::kFill_InitStyle == fill);
} else {
path = fPath;
}
bool isLinear;
bool canMapVB = GrCaps::kNone_MapFlags != target->caps().mapBufferFlags();
StaticVertexAllocator allocator(rp, canMapVB);
int count = GrTessellator::PathToTriangles(path, tol, fClipBounds, &allocator, &isLinear);
if (count == 0) {
return;
}
this->drawVertices(target, gp, allocator.vertexBuffer(), 0, count);
if (!fPath.isVolatile() && styleDataCnt >= 0) {
TessInfo info;
info.fTolerance = isLinear ? 0 : tol;
info.fCount = count;
SkAutoTUnref<SkData> data(SkData::NewWithCopy(&info, sizeof(info)));
key.setCustomData(data.get());
rp->assignUniqueKeyToResource(key, allocator.vertexBuffer());
SkPathPriv::AddGenIDChangeListener(fPath, new PathInvalidator(key));
}
}
// This tests the basic capabilities of the uniquely keyed texture proxies. Does assigning
// and looking them up work, etc.
static void basic_test(GrContext* context,
skiatest::Reporter* reporter,
sk_sp<GrTextureProxy> proxy) {
static int id = 1;
GrResourceProvider* resourceProvider = context->priv().resourceProvider();
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
GrResourceCache* cache = context->priv().getResourceCache();
int startCacheCount = cache->getResourceCount();
GrUniqueKey key;
if (proxy->getUniqueKey().isValid()) {
key = proxy->getUniqueKey();
} else {
GrMakeKeyFromImageID(&key, id, SkIRect::MakeWH(64, 64));
++id;
// Assigning the uniqueKey adds the proxy to the hash but doesn't force instantiation
REPORTER_ASSERT(reporter, !proxyProvider->numUniqueKeyProxies_TestOnly());
SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));
}
REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
REPORTER_ASSERT(reporter, startCacheCount == cache->getResourceCount());
// setUniqueKey had better stick
REPORTER_ASSERT(reporter, key == proxy->getUniqueKey());
// We just added it, surely we can find it
REPORTER_ASSERT(reporter, proxyProvider->findOrCreateProxyByUniqueKey(
key, kBottomLeft_GrSurfaceOrigin));
REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
int expectedCacheCount = startCacheCount + (proxy->isInstantiated() ? 0 : 1);
// Once instantiated, the backing resource should have the same key
SkAssertResult(proxy->instantiate(resourceProvider));
const GrUniqueKey texKey = proxy->peekSurface()->getUniqueKey();
REPORTER_ASSERT(reporter, texKey.isValid());
REPORTER_ASSERT(reporter, key == texKey);
// An Unbudgeted-cacheable resource will not get purged when a proxy with the same key is
// deleted.
bool expectResourceToOutliveProxy = proxy->peekSurface()->resourcePriv().budgetedType() ==
GrBudgetedType::kUnbudgetedCacheable;
// An Unbudgeted-uncacheable resource is never kept alive if it's ref cnt reaches zero even if
// it has a key.
bool expectDeletingProxyToDeleteResource =
proxy->peekSurface()->resourcePriv().budgetedType() ==
GrBudgetedType::kUnbudgetedUncacheable;
// deleting the proxy should delete it from the hash but not the cache
proxy = nullptr;
if (expectDeletingProxyToDeleteResource) {
expectedCacheCount -= 1;
}
REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
// If the proxy was cached refinding it should bring it back to life
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
REPORTER_ASSERT(reporter, proxy);
REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
// Mega-purging it should remove it from both the hash and the cache
proxy = nullptr;
cache->purgeAllUnlocked();
if (!expectResourceToOutliveProxy) {
expectedCacheCount--;
}
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
// If the texture was deleted then the proxy should no longer be findable. Otherwise, it should
// be.
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
REPORTER_ASSERT(reporter, expectResourceToOutliveProxy ? (bool)proxy : !proxy);
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
if (expectResourceToOutliveProxy) {
proxy.reset();
GrUniqueKeyInvalidatedMessage msg(texKey, context->priv().contextID());
SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(msg);
cache->purgeAsNeeded();
expectedCacheCount--;
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
REPORTER_ASSERT(reporter, !proxy);
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
}
}
