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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/image/SkImage_Gpu.h"
#include "include/core/SkCanvas.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "include/gpu/GrRecordingContext.h"
#include "include/gpu/GrYUVABackendTextures.h"
#include "include/private/SkImageInfoPriv.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "src/core/SkBitmapCache.h"
#include "src/core/SkMipmap.h"
#include "src/core/SkScopeExit.h"
#include "src/core/SkTraceEvent.h"
#include "src/gpu/GrAHardwareBufferImageGenerator.h"
#include "src/gpu/GrAHardwareBufferUtils.h"
#include "src/gpu/GrBackendTextureImageGenerator.h"
#include "src/gpu/GrBackendUtils.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrColorSpaceXform.h"
#include "src/gpu/GrContextThreadSafeProxyPriv.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrDrawingManager.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrImageContextPriv.h"
#include "src/gpu/GrImageInfo.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/GrSemaphore.h"
#include "src/gpu/GrSurfaceDrawContext.h"
#include "src/gpu/GrTexture.h"
#include "src/gpu/GrTextureProxy.h"
#include "src/gpu/GrTextureProxyPriv.h"
#include "src/gpu/GrYUVATextureProxies.h"
#include "src/gpu/gl/GrGLTexture.h"
#include <cstddef>
#include <cstring>
#include <type_traits>
inline SkImage_Gpu::ProxyChooser::ProxyChooser(sk_sp<GrSurfaceProxy> stableProxy)
: fStableProxy(std::move(stableProxy)) {
SkASSERT(fStableProxy);
}
inline SkImage_Gpu::ProxyChooser::ProxyChooser(sk_sp<GrSurfaceProxy> stableProxy,
sk_sp<GrSurfaceProxy> volatileProxy,
sk_sp<GrRenderTask> copyTask,
int volatileProxyTargetCount)
: fStableProxy(std::move(stableProxy))
, fVolatileProxy(std::move(volatileProxy))
, fVolatileToStableCopyTask(std::move(copyTask))
, fVolatileProxyTargetCount(volatileProxyTargetCount) {
SkASSERT(fStableProxy);
SkASSERT(fVolatileProxy);
SkASSERT(fVolatileToStableCopyTask);
}
inline SkImage_Gpu::ProxyChooser::~ProxyChooser() {
// The image is being destroyed. If there is a stable copy proxy but we've been able to use
// the volatile proxy for all requests then we can skip the copy.
if (fVolatileToStableCopyTask) {
fVolatileToStableCopyTask->makeSkippable();
}
}
inline sk_sp<GrSurfaceProxy> SkImage_Gpu::ProxyChooser::chooseProxy(GrRecordingContext* context) {
SkAutoSpinlock hold(fLock);
if (fVolatileProxy) {
SkASSERT(fVolatileProxyTargetCount <= fVolatileProxy->getTaskTargetCount());
// If this image is used off the direct context it originated on, i.e. on a recording-only
// context, we don't know how the recording context's actions are ordered WRT direct context
// actions until the recording context's DAG is imported into the direct context.
if (context->asDirectContext() &&
fVolatileProxyTargetCount == fVolatileProxy->getTaskTargetCount()) {
return fVolatileProxy;
}
fVolatileProxy.reset();
fVolatileToStableCopyTask.reset();
return fStableProxy;
}
return fStableProxy;
}
inline sk_sp<GrSurfaceProxy> SkImage_Gpu::ProxyChooser::switchToStableProxy() {
SkAutoSpinlock hold(fLock);
fVolatileProxy.reset();
fVolatileToStableCopyTask.reset();
return fStableProxy;
}
inline sk_sp<GrSurfaceProxy> SkImage_Gpu::ProxyChooser::makeVolatileProxyStable() {
SkAutoSpinlock hold(fLock);
if (fVolatileProxy) {
fStableProxy = std::move(fVolatileProxy);
fVolatileToStableCopyTask->makeSkippable();
fVolatileToStableCopyTask.reset();
}
return fStableProxy;
}
inline bool SkImage_Gpu::ProxyChooser::surfaceMustCopyOnWrite(GrSurfaceProxy* surfaceProxy) const {
SkAutoSpinlock hold(fLock);
return surfaceProxy->underlyingUniqueID() == fStableProxy->underlyingUniqueID();
}
inline size_t SkImage_Gpu::ProxyChooser::gpuMemorySize() const {
SkAutoSpinlock hold(fLock);
size_t size = fStableProxy->gpuMemorySize();
if (fVolatileProxy) {
SkASSERT(fVolatileProxy->gpuMemorySize() == size);
}
return size;
}
inline GrMipmapped SkImage_Gpu::ProxyChooser::mipmapped() const {
SkAutoSpinlock hold(fLock);
GrMipmapped mipmapped = fStableProxy->asTextureProxy()->mipmapped();
if (fVolatileProxy) {
SkASSERT(fVolatileProxy->asTextureProxy()->mipmapped() == mipmapped);
}
return mipmapped;
}
#ifdef SK_DEBUG
inline GrBackendFormat SkImage_Gpu::ProxyChooser::backendFormat() {
SkAutoSpinlock hold(fLock);
if (fVolatileProxy) {
SkASSERT(fVolatileProxy->backendFormat() == fStableProxy->backendFormat());
}
return fStableProxy->backendFormat();
}
#endif
//////////////////////////////////////////////////////////////////////////////
SkImage_Gpu::SkImage_Gpu(sk_sp<GrImageContext> context,
uint32_t uniqueID,
GrSurfaceProxyView view,
SkColorInfo info)
: INHERITED(std::move(context),
SkImageInfo::Make(view.proxy()->backingStoreDimensions(), std::move(info)),
uniqueID)
, fChooser(view.detachProxy())
, fSwizzle(view.swizzle())
, fOrigin(view.origin()) {
#ifdef SK_DEBUG
const GrBackendFormat& format = fChooser.backendFormat();
const GrCaps* caps = this->context()->priv().caps();
GrColorType grCT = SkColorTypeAndFormatToGrColorType(caps, this->colorType(), format);
SkASSERT(caps->isFormatCompressed(format) ||
caps->areColorTypeAndFormatCompatible(grCT, format));
#endif
}
SkImage_Gpu::SkImage_Gpu(sk_sp<GrDirectContext> dContext,
GrSurfaceProxyView volatileSrc,
sk_sp<GrSurfaceProxy> stableCopy,
sk_sp<GrRenderTask> copyTask,
int volatileSrcTargetCount,
SkColorInfo info)
: INHERITED(std::move(dContext),
SkImageInfo::Make(volatileSrc.proxy()->backingStoreDimensions(),
std::move(info)),
kNeedNewImageUniqueID)
, fChooser(std::move(stableCopy),
volatileSrc.detachProxy(),
std::move(copyTask),
volatileSrcTargetCount)
, fSwizzle(volatileSrc.swizzle())
, fOrigin(volatileSrc.origin()) {
#ifdef SK_DEBUG
const GrBackendFormat& format = fChooser.backendFormat();
const GrCaps* caps = this->context()->priv().caps();
GrColorType grCT = SkColorTypeAndFormatToGrColorType(caps, this->colorType(), format);
SkASSERT(caps->isFormatCompressed(format) ||
caps->areColorTypeAndFormatCompatible(grCT, format));
#endif
}
sk_sp<SkImage> SkImage_Gpu::MakeWithVolatileSrc(sk_sp<GrRecordingContext> rContext,
GrSurfaceProxyView volatileSrc,
SkColorInfo colorInfo) {
SkASSERT(rContext);
SkASSERT(volatileSrc);
SkASSERT(volatileSrc.proxy()->asTextureProxy());
GrMipmapped mm = volatileSrc.proxy()->asTextureProxy()->mipmapped();
sk_sp<GrRenderTask> copyTask;
auto copy = GrSurfaceProxy::Copy(rContext.get(),
volatileSrc.refProxy(),
volatileSrc.origin(),
mm,
SkBackingFit::kExact,
SkBudgeted::kYes,
&copyTask);
if (!copy) {
return nullptr;
}
// We only attempt to make a dual-proxy image on a direct context. This optimziation requires
// knowing how things are ordered and recording-only contexts are not well ordered WRT other
// recording contexts.
if (auto direct = sk_ref_sp(rContext->asDirectContext())) {
int targetCount = volatileSrc.proxy()->getTaskTargetCount();
return sk_sp<SkImage>(new SkImage_Gpu(std::move(direct),
std::move(volatileSrc),
std::move(copy),
std::move(copyTask),
targetCount,
std::move(colorInfo)));
}
GrSurfaceProxyView copyView(std::move(copy), volatileSrc.origin(), volatileSrc.swizzle());
return sk_make_sp<SkImage_Gpu>(std::move(rContext),
kNeedNewImageUniqueID,
std::move(copyView),
std::move(colorInfo));
}
SkImage_Gpu::~SkImage_Gpu() = default;
bool SkImage_Gpu::surfaceMustCopyOnWrite(GrSurfaceProxy* surfaceProxy) const {
return fChooser.surfaceMustCopyOnWrite(surfaceProxy);
}
bool SkImage_Gpu::onHasMipmaps() const { return fChooser.mipmapped() == GrMipmapped::kYes; }
GrSemaphoresSubmitted SkImage_Gpu::onFlush(GrDirectContext* dContext, const GrFlushInfo& info) {
if (!fContext->priv().matches(dContext) || dContext->abandoned()) {
if (info.fSubmittedProc) {
info.fSubmittedProc(info.fSubmittedContext, false);
}
if (info.fFinishedProc) {
info.fFinishedProc(info.fFinishedContext);
}
return GrSemaphoresSubmitted::kNo;
}
sk_sp<GrSurfaceProxy> proxy = fChooser.chooseProxy(dContext);
return dContext->priv().flushSurface(proxy.get(),
SkSurface::BackendSurfaceAccess::kNoAccess,
info);
}
GrBackendTexture SkImage_Gpu::onGetBackendTexture(bool flushPendingGrContextIO,
GrSurfaceOrigin* origin) const {
auto direct = fContext->asDirectContext();
if (!direct) {
// This image was created with a DDL context and cannot be instantiated.
return GrBackendTexture(); // invalid
}
if (direct->abandoned()) {
return GrBackendTexture(); // invalid;
}
// We don't know how client's use of the texture will be ordered WRT Skia's. Ensure the
// texture seen by the client won't be mutated by a SkSurface.
sk_sp<GrSurfaceProxy> proxy = fChooser.switchToStableProxy();
if (!proxy->isInstantiated()) {
auto resourceProvider = direct->priv().resourceProvider();
if (!proxy->instantiate(resourceProvider)) {
return GrBackendTexture(); // invalid
}
}
GrTexture* texture = proxy->peekTexture();
if (texture) {
if (flushPendingGrContextIO) {
direct->priv().flushSurface(proxy.get());
}
if (origin) {
*origin = fOrigin;
}
return texture->getBackendTexture();
}
return GrBackendTexture(); // invalid
}
size_t SkImage_Gpu::onTextureSize() const { return fChooser.gpuMemorySize(); }
sk_sp<SkImage> SkImage_Gpu::onMakeColorTypeAndColorSpace(SkColorType targetCT,
sk_sp<SkColorSpace> targetCS,
GrDirectContext* direct) const {
SkColorInfo info(targetCT, this->alphaType(), std::move(targetCS));
if (!fContext->priv().matches(direct)) {
return nullptr;
}
auto surfaceFillContext = GrSurfaceFillContext::MakeWithFallback(
direct,
GrImageInfo(info, this->dimensions()),
SkBackingFit::kExact);
if (!surfaceFillContext) {
return nullptr;
}
// We respecify info's CT because we called MakeWithFallback.
auto ct = GrColorTypeToSkColorType(surfaceFillContext->colorInfo().colorType());
info = info.makeColorType(ct);
// Draw this image's texture into the SFC.
auto [view, _] = this->asView(direct, GrMipmapped(this->hasMipmaps()));
auto texFP = GrTextureEffect::Make(std::move(view), this->alphaType());
auto colorFP = GrColorSpaceXformEffect::Make(std::move(texFP),
this->imageInfo().colorInfo(),
info);
surfaceFillContext->fillWithFP(std::move(colorFP));
return sk_make_sp<SkImage_Gpu>(sk_ref_sp(direct),
kNeedNewImageUniqueID,
surfaceFillContext->readSurfaceView(),
std::move(info));
}
sk_sp<SkImage> SkImage_Gpu::onReinterpretColorSpace(sk_sp<SkColorSpace> newCS) const {
// It doesn't seem worth the complexity of trying to share the ProxyChooser among multiple
// images. Just fall back to the stable copy.
GrSurfaceProxyView view(fChooser.switchToStableProxy(), fOrigin, fSwizzle);
return sk_make_sp<SkImage_Gpu>(fContext,
kNeedNewImageUniqueID,
std::move(view),
this->imageInfo().colorInfo().makeColorSpace(std::move(newCS)));
}
void SkImage_Gpu::onAsyncRescaleAndReadPixels(const SkImageInfo& info,
const SkIRect& srcRect,
RescaleGamma rescaleGamma,
RescaleMode rescaleMode,
ReadPixelsCallback callback,
ReadPixelsContext context) {
auto dContext = fContext->asDirectContext();
if (!dContext) {
// DDL TODO: buffer up the readback so it occurs when the DDL is drawn?
callback(context, nullptr);
return;
}
auto ctx = GrSurfaceContext::Make(dContext,
this->makeView(dContext),
this->imageInfo().colorInfo());
if (!ctx) {
callback(context, nullptr);
return;
}
ctx->asyncRescaleAndReadPixels(dContext, info, srcRect, rescaleGamma, rescaleMode,
callback, context);
}
void SkImage_Gpu::onAsyncRescaleAndReadPixelsYUV420(SkYUVColorSpace yuvColorSpace,
sk_sp<SkColorSpace> dstColorSpace,
const SkIRect& srcRect,
const SkISize& dstSize,
RescaleGamma rescaleGamma,
RescaleMode rescaleMode,
ReadPixelsCallback callback,
ReadPixelsContext context) {
auto dContext = fContext->asDirectContext();
if (!dContext) {
// DDL TODO: buffer up the readback so it occurs when the DDL is drawn?
callback(context, nullptr);
return;
}
auto ctx = GrSurfaceContext::Make(dContext,
this->makeView(dContext),
this->imageInfo().colorInfo());
if (!ctx) {
callback(context, nullptr);
return;
}
ctx->asyncRescaleAndReadPixelsYUV420(dContext,
yuvColorSpace,
std::move(dstColorSpace),
srcRect,
dstSize,
rescaleGamma,
rescaleMode,
callback,
context);
}
void SkImage_Gpu::generatingSurfaceIsDeleted() { fChooser.makeVolatileProxyStable(); }
///////////////////////////////////////////////////////////////////////////////////////////////////
static sk_sp<SkImage> new_wrapped_texture_common(GrRecordingContext* rContext,
const GrBackendTexture& backendTex,
GrColorType colorType,
GrSurfaceOrigin origin,
SkAlphaType at,
sk_sp<SkColorSpace> colorSpace,
GrWrapOwnership ownership,
sk_sp<GrRefCntedCallback> releaseHelper) {
if (!backendTex.isValid() || backendTex.width() <= 0 || backendTex.height() <= 0) {
return nullptr;
}
GrProxyProvider* proxyProvider = rContext->priv().proxyProvider();
sk_sp<GrTextureProxy> proxy = proxyProvider->wrapBackendTexture(
backendTex, ownership, GrWrapCacheable::kNo, kRead_GrIOType, std::move(releaseHelper));
if (!proxy) {
return nullptr;
}
GrSwizzle swizzle = rContext->priv().caps()->getReadSwizzle(proxy->backendFormat(), colorType);
GrSurfaceProxyView view(std::move(proxy), origin, swizzle);
SkColorInfo info(GrColorTypeToSkColorType(colorType), at, std::move(colorSpace));
return sk_make_sp<SkImage_Gpu>(sk_ref_sp(rContext),
kNeedNewImageUniqueID,
std::move(view),
std::move(info));
}
sk_sp<SkImage> SkImage::MakeFromCompressedTexture(GrRecordingContext* rContext,
const GrBackendTexture& tex,
GrSurfaceOrigin origin,
SkAlphaType at,
sk_sp<SkColorSpace> cs,
TextureReleaseProc releaseP,
ReleaseContext releaseC) {
auto releaseHelper = GrRefCntedCallback::Make(releaseP, releaseC);
if (!rContext) {
return nullptr;
}
const GrCaps* caps = rContext->priv().caps();
if (!SkImage_GpuBase::ValidateCompressedBackendTexture(caps, tex, at)) {
return nullptr;
}
GrProxyProvider* proxyProvider = rContext->priv().proxyProvider();
sk_sp<GrTextureProxy> proxy = proxyProvider->wrapCompressedBackendTexture(
tex, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, std::move(releaseHelper));
if (!proxy) {
return nullptr;
}
CompressionType type = GrBackendFormatToCompressionType(tex.getBackendFormat());
SkColorType ct = GrCompressionTypeToSkColorType(type);
GrSurfaceProxyView view(std::move(proxy), origin, GrSwizzle::RGBA());
return sk_make_sp<SkImage_Gpu>(sk_ref_sp(rContext),
kNeedNewImageUniqueID,
std::move(view),
SkColorInfo(ct, at, std::move(cs)));
}
sk_sp<SkImage> SkImage::MakeFromTexture(GrRecordingContext* rContext,
const GrBackendTexture& tex, GrSurfaceOrigin origin,
SkColorType ct, SkAlphaType at, sk_sp<SkColorSpace> cs,
TextureReleaseProc releaseP, ReleaseContext releaseC) {
auto releaseHelper = GrRefCntedCallback::Make(releaseP, releaseC);
if (!rContext) {
return nullptr;
}
const GrCaps* caps = rContext->priv().caps();
GrColorType grColorType = SkColorTypeAndFormatToGrColorType(caps, ct, tex.getBackendFormat());
if (GrColorType::kUnknown == grColorType) {
return nullptr;
}
if (!SkImage_GpuBase::ValidateBackendTexture(caps, tex, grColorType, ct, at, cs)) {
return nullptr;
}
return new_wrapped_texture_common(rContext, tex, grColorType, origin, at, std::move(cs),
kBorrow_GrWrapOwnership, std::move(releaseHelper));
}
sk_sp<SkImage> SkImage::MakeFromAdoptedTexture(GrRecordingContext* rContext,
const GrBackendTexture& tex, GrSurfaceOrigin origin,
SkColorType ct, SkAlphaType at,
sk_sp<SkColorSpace> cs) {
auto dContext = GrAsDirectContext(rContext);
if (!dContext) {
// We have a DDL context and we don't support adopted textures for them.
return nullptr;
}
const GrCaps* caps = dContext->priv().caps();
GrColorType grColorType = SkColorTypeAndFormatToGrColorType(caps, ct, tex.getBackendFormat());
if (GrColorType::kUnknown == grColorType) {
return nullptr;
}
if (!SkImage_GpuBase::ValidateBackendTexture(caps, tex, grColorType, ct, at, cs)) {
return nullptr;
}
return new_wrapped_texture_common(dContext, tex, grColorType, origin, at, std::move(cs),
kAdopt_GrWrapOwnership, nullptr);
}
sk_sp<SkImage> SkImage::MakeTextureFromCompressed(GrDirectContext* direct, sk_sp<SkData> data,
int width, int height, CompressionType type,
GrMipmapped mipMapped,
GrProtected isProtected) {
if (!direct || !data) {
return nullptr;
}
GrBackendFormat beFormat = direct->compressedBackendFormat(type);
if (!beFormat.isValid()) {
sk_sp<SkImage> tmp = MakeRasterFromCompressed(std::move(data), width, height, type);
if (!tmp) {
return nullptr;
}
return tmp->makeTextureImage(direct, mipMapped);
}
GrProxyProvider* proxyProvider = direct->priv().proxyProvider();
sk_sp<GrTextureProxy> proxy = proxyProvider->createCompressedTextureProxy(
{width, height}, SkBudgeted::kYes, mipMapped, isProtected, type, std::move(data));
if (!proxy) {
return nullptr;
}
GrSurfaceProxyView view(std::move(proxy));
SkColorType colorType = GrCompressionTypeToSkColorType(type);
return sk_make_sp<SkImage_Gpu>(sk_ref_sp(direct),
kNeedNewImageUniqueID,
std::move(view),
SkColorInfo(colorType, kOpaque_SkAlphaType, nullptr));
}
sk_sp<SkImage> SkImage::makeTextureImage(GrDirectContext* dContext,
GrMipmapped mipmapped,
SkBudgeted budgeted) const {
if (!dContext) {
return nullptr;
}
if (!dContext->priv().caps()->mipmapSupport() || this->dimensions().area() <= 1) {
mipmapped = GrMipmapped::kNo;
}
if (this->isTextureBacked()) {
if (!as_IB(this)->context()->priv().matches(dContext)) {
return nullptr;
}
if (this->isTextureBacked() && (mipmapped == GrMipmapped::kNo || this->hasMipmaps())) {
return sk_ref_sp(const_cast<SkImage*>(this));
}
}
GrImageTexGenPolicy policy = budgeted == SkBudgeted::kYes
? GrImageTexGenPolicy::kNew_Uncached_Budgeted
: GrImageTexGenPolicy::kNew_Uncached_Unbudgeted;
// TODO: Don't flatten YUVA images here. Add mips to the planes instead.
auto [view, ct] = as_IB(this)->asView(dContext, mipmapped, policy);
if (!view) {
return nullptr;
}
SkASSERT(view.asTextureProxy());
SkASSERT(mipmapped == GrMipmapped::kNo ||
view.asTextureProxy()->mipmapped() == GrMipmapped::kYes);
SkColorInfo colorInfo(GrColorTypeToSkColorType(ct), this->alphaType(), this->refColorSpace());
return sk_make_sp<SkImage_Gpu>(sk_ref_sp(dContext),
this->uniqueID(),
std::move(view),
std::move(colorInfo));
}
///////////////////////////////////////////////////////////////////////////////////////////////////
sk_sp<SkImage> SkImage::MakePromiseTexture(sk_sp<GrContextThreadSafeProxy> threadSafeProxy,
const GrBackendFormat& backendFormat,
SkISize dimensions,
GrMipmapped mipMapped,
GrSurfaceOrigin origin,
SkColorType colorType,
SkAlphaType alphaType,
sk_sp<SkColorSpace> colorSpace,
PromiseImageTextureFulfillProc textureFulfillProc,
PromiseImageTextureReleaseProc textureReleaseProc,
PromiseImageTextureContext textureContext) {
// Our contract is that we will always call the release proc even on failure.
// We use the helper to convey the context, so we need to ensure make doesn't fail.
textureReleaseProc = textureReleaseProc ? textureReleaseProc : [](void*) {};
auto releaseHelper = GrRefCntedCallback::Make(textureReleaseProc, textureContext);
SkImageInfo info = SkImageInfo::Make(dimensions, colorType, alphaType, colorSpace);
if (!SkImageInfoIsValid(info)) {
return nullptr;
}
if (!threadSafeProxy) {
return nullptr;
}
if (dimensions.isEmpty()) {
return nullptr;
}
GrColorType grColorType = SkColorTypeAndFormatToGrColorType(threadSafeProxy->priv().caps(),
colorType,
backendFormat);
if (GrColorType::kUnknown == grColorType) {
return nullptr;
}
if (!threadSafeProxy->priv().caps()->areColorTypeAndFormatCompatible(grColorType,
backendFormat)) {
return nullptr;
}
auto proxy = SkImage_GpuBase::MakePromiseImageLazyProxy(threadSafeProxy.get(),
dimensions,
backendFormat,
mipMapped,
textureFulfillProc,
std::move(releaseHelper));
if (!proxy) {
return nullptr;
}
GrSwizzle swizzle = threadSafeProxy->priv().caps()->getReadSwizzle(backendFormat, grColorType);
GrSurfaceProxyView view(std::move(proxy), origin, swizzle);
sk_sp<GrImageContext> ctx(GrImageContextPriv::MakeForPromiseImage(std::move(threadSafeProxy)));
return sk_make_sp<SkImage_Gpu>(std::move(ctx),
kNeedNewImageUniqueID,
std::move(view),
SkColorInfo(colorType, alphaType, std::move(colorSpace)));
}
///////////////////////////////////////////////////////////////////////////////////////////////////
sk_sp<SkImage> SkImage::MakeCrossContextFromPixmap(GrDirectContext* dContext,
const SkPixmap& originalPixmap, bool buildMips,
bool limitToMaxTextureSize) {
// Some backends or drivers don't support (safely) moving resources between contexts
if (!dContext || !dContext->priv().caps()->crossContextTextureSupport()) {
return SkImage::MakeRasterCopy(originalPixmap);
}
// If non-power-of-two mipmapping isn't supported, ignore the client's request
if (!dContext->priv().caps()->mipmapSupport()) {
buildMips = false;
}
const SkPixmap* pixmap = &originalPixmap;
SkAutoPixmapStorage resized;
int maxTextureSize = dContext->priv().caps()->maxTextureSize();
int maxDim = std::max(originalPixmap.width(), originalPixmap.height());
if (limitToMaxTextureSize && maxDim > maxTextureSize) {
float scale = static_cast<float>(maxTextureSize) / maxDim;
int newWidth = std::min(static_cast<int>(originalPixmap.width() * scale), maxTextureSize);
int newHeight = std::min(static_cast<int>(originalPixmap.height() * scale), maxTextureSize);
SkImageInfo info = originalPixmap.info().makeWH(newWidth, newHeight);
SkSamplingOptions sampling(SkFilterMode::kLinear);
if (!resized.tryAlloc(info) || !originalPixmap.scalePixels(resized, sampling)) {
return nullptr;
}
pixmap = &resized;
}
// Turn the pixmap into a GrTextureProxy
SkBitmap bmp;
bmp.installPixels(*pixmap);
GrMipmapped mipmapped = buildMips ? GrMipmapped::kYes : GrMipmapped::kNo;
auto [view, ct] = GrMakeUncachedBitmapProxyView(dContext, bmp, mipmapped);
if (!view) {
return SkImage::MakeRasterCopy(*pixmap);
}
sk_sp<GrTexture> texture = sk_ref_sp(view.proxy()->peekTexture());
// Flush any writes or uploads
dContext->priv().flushSurface(view.proxy());
GrGpu* gpu = dContext->priv().getGpu();
std::unique_ptr<GrSemaphore> sema = gpu->prepareTextureForCrossContextUsage(texture.get());
SkColorType skCT = GrColorTypeToSkColorType(ct);
auto gen = GrBackendTextureImageGenerator::Make(std::move(texture), view.origin(),
std::move(sema), skCT,
pixmap->alphaType(),
pixmap->info().refColorSpace());
return SkImage::MakeFromGenerator(std::move(gen));
}
#if defined(SK_BUILD_FOR_ANDROID) && __ANDROID_API__ >= 26
sk_sp<SkImage> SkImage::MakeFromAHardwareBuffer(AHardwareBuffer* graphicBuffer, SkAlphaType at,
sk_sp<SkColorSpace> cs,
GrSurfaceOrigin surfaceOrigin) {
auto gen = GrAHardwareBufferImageGenerator::Make(graphicBuffer, at, cs, surfaceOrigin);
return SkImage::MakeFromGenerator(std::move(gen));
}
sk_sp<SkImage> SkImage::MakeFromAHardwareBufferWithData(GrDirectContext* dContext,
const SkPixmap& pixmap,
AHardwareBuffer* hardwareBuffer,
GrSurfaceOrigin surfaceOrigin) {
AHardwareBuffer_Desc bufferDesc;
AHardwareBuffer_describe(hardwareBuffer, &bufferDesc);
if (!SkToBool(bufferDesc.usage & AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE)) {
return nullptr;
}
GrBackendFormat backendFormat = GrAHardwareBufferUtils::GetBackendFormat(dContext,
hardwareBuffer,
bufferDesc.format,
true);
if (!backendFormat.isValid()) {
return nullptr;
}
GrAHardwareBufferUtils::DeleteImageProc deleteImageProc = nullptr;
GrAHardwareBufferUtils::UpdateImageProc updateImageProc = nullptr;
GrAHardwareBufferUtils::TexImageCtx deleteImageCtx = nullptr;
const bool isRenderable = SkToBool(bufferDesc.usage & AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER);
GrBackendTexture backendTexture =
GrAHardwareBufferUtils::MakeBackendTexture(dContext, hardwareBuffer,
bufferDesc.width, bufferDesc.height,
&deleteImageProc, &updateImageProc,
&deleteImageCtx, false, backendFormat,
isRenderable);
if (!backendTexture.isValid()) {
return nullptr;
}
SkASSERT(deleteImageProc);
auto releaseHelper = GrRefCntedCallback::Make(deleteImageProc, deleteImageCtx);
SkColorType colorType =
GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(bufferDesc.format);
GrColorType grColorType = SkColorTypeToGrColorType(colorType);
GrProxyProvider* proxyProvider = dContext->priv().proxyProvider();
if (!proxyProvider) {
return nullptr;
}
sk_sp<GrTextureProxy> proxy = proxyProvider->wrapBackendTexture(
backendTexture, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, kRW_GrIOType,
std::move(releaseHelper));
if (!proxy) {
return nullptr;
}
GrSwizzle swizzle = dContext->priv().caps()->getReadSwizzle(backendFormat, grColorType);
GrSurfaceProxyView framebufferView(std::move(proxy), surfaceOrigin, swizzle);
SkColorInfo colorInfo = pixmap.info().colorInfo().makeColorType(colorType);
sk_sp<SkImage> image = sk_make_sp<SkImage_Gpu>(sk_ref_sp(dContext),
kNeedNewImageUniqueID,
framebufferView,
std::move(colorInfo));
if (!image) {
return nullptr;
}
GrDrawingManager* drawingManager = dContext->priv().drawingManager();
if (!drawingManager) {
return nullptr;
}
GrSurfaceContext surfaceContext(
dContext, std::move(framebufferView),image->imageInfo().colorInfo());
surfaceContext.writePixels(dContext, pixmap, {0, 0});
GrSurfaceProxy* p[1] = {surfaceContext.asSurfaceProxy()};
drawingManager->flush(SkMakeSpan(p), SkSurface::BackendSurfaceAccess::kNoAccess, {}, nullptr);
return image;
}
#endif
///////////////////////////////////////////////////////////////////////////////////////////////////
bool SkImage::MakeBackendTextureFromSkImage(GrDirectContext* direct,
sk_sp<SkImage> image,
GrBackendTexture* backendTexture,
BackendTextureReleaseProc* releaseProc) {
if (!image || !backendTexture || !releaseProc) {
return false;
}
auto [view, ct] = as_IB(image)->asView(direct, GrMipmapped::kNo);
if (!view) {
return false;
}
// Flush any pending IO on the texture.
direct->priv().flushSurface(view.proxy());
GrTexture* texture = view.asTextureProxy()->peekTexture();
if (!texture) {
return false;
}
// We must make a copy of the image if the image is not unique, if the GrTexture owned by the
// image is not unique, or if the texture wraps an external object.
if (!image->unique() || !texture->unique() ||
texture->resourcePriv().refsWrappedObjects()) {
// onMakeSubset will always copy the image.
image = as_IB(image)->onMakeSubset(image->bounds(), direct);
if (!image) {
return false;
}
return MakeBackendTextureFromSkImage(direct, std::move(image), backendTexture, releaseProc);
}
SkASSERT(!texture->resourcePriv().refsWrappedObjects());
SkASSERT(texture->unique());
SkASSERT(image->unique());
// Take a reference to the GrTexture and release the image.
sk_sp<GrTexture> textureRef = sk_ref_sp(texture);
view.reset();
image = nullptr;
SkASSERT(textureRef->unique());
// Steal the backend texture from the GrTexture, releasing the GrTexture in the process.
return GrTexture::StealBackendTexture(std::move(textureRef), backendTexture, releaseProc);
}
std::tuple<GrSurfaceProxyView, GrColorType> SkImage_Gpu::onAsView(
GrRecordingContext* recordingContext,
GrMipmapped mipmapped,
GrImageTexGenPolicy policy) const {
if (!fContext->priv().matches(recordingContext)) {
return {};
}
if (policy != GrImageTexGenPolicy::kDraw) {
return {CopyView(recordingContext, this->makeView(recordingContext), mipmapped, policy),
SkColorTypeToGrColorType(this->colorType())};
}
GrSurfaceProxyView view = this->makeView(recordingContext);
GrColorType ct = SkColorTypeAndFormatToGrColorType(recordingContext->priv().caps(),
this->colorType(),
view.proxy()->backendFormat());
if (mipmapped == GrMipmapped::kYes) {
view = FindOrMakeCachedMipmappedView(recordingContext, std::move(view), this->uniqueID());
}
return {std::move(view), ct};
}
std::unique_ptr<GrFragmentProcessor> SkImage_Gpu::onAsFragmentProcessor(
GrRecordingContext* rContext,
SkSamplingOptions sampling,
const SkTileMode tileModes[2],
const SkMatrix& m,
const SkRect* subset,
const SkRect* domain) const {
if (!fContext->priv().matches(rContext)) {
return {};
}
auto mm = sampling.mipmap == SkMipmapMode::kNone ? GrMipmapped::kNo : GrMipmapped::kYes;
return MakeFragmentProcessorFromView(rContext,
std::get<0>(this->asView(rContext, mm)),
this->alphaType(),
sampling,
tileModes,
m,
subset,
domain);
}
GrSurfaceProxyView SkImage_Gpu::makeView(GrRecordingContext* rContext) const {
return {fChooser.chooseProxy(rContext), fOrigin, fSwizzle};
}