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131 lines
5.2 KiB
131 lines
5.2 KiB
/*
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* Copyright 2020 Google LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef ManagedBackendTexture_DEFINED
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#define ManagedBackendTexture_DEFINED
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkYUVAInfo.h"
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#include "include/gpu/GrDirectContext.h"
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class GrRefCntedCallback;
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struct SkImageInfo;
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namespace sk_gpu_test {
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class ManagedBackendTexture : public SkNVRefCnt<ManagedBackendTexture> {
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public:
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/**
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* Make a managed backend texture with initial pixmap/color data. The 'Args' are any valid set
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* of arguments to GrDirectContext::createBackendTexture that takes data but with the release
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* proc/context omitted as the ManagedBackendTexture will provide them.
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*/
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template <typename... Args>
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static sk_sp<ManagedBackendTexture> MakeWithData(GrDirectContext*, Args&&...);
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/**
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* Make a managed backend texture without initial data. The 'Args' are any valid set of
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* arguments to GrDirectContext::createBackendTexture that does not take data. Because our
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* createBackendTexture methods that *do* take data also use default args for the proc/context
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* this can be used to make a texture with data but then the MBET won't be able to ensure that
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* the upload has completed before the texture is deleted. Use the WithData variant instead to
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* avoid this issue.
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*/
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template <typename... Args>
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static sk_sp<ManagedBackendTexture> MakeWithoutData(GrDirectContext*, Args&&...);
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static sk_sp<ManagedBackendTexture> MakeFromInfo(GrDirectContext* dContext,
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const SkImageInfo&,
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GrMipmapped = GrMipmapped::kNo,
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GrRenderable = GrRenderable::kNo,
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GrProtected = GrProtected::kNo);
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static sk_sp<ManagedBackendTexture> MakeFromBitmap(GrDirectContext*,
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const SkBitmap&,
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GrMipmapped,
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GrRenderable,
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GrProtected = GrProtected::kNo);
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static sk_sp<ManagedBackendTexture> MakeFromPixmap(GrDirectContext*,
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const SkPixmap&,
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GrMipmapped,
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GrRenderable,
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GrProtected = GrProtected::kNo);
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/** GrGpuFinishedProc or image/surface release proc. */
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static void ReleaseProc(void* context);
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~ManagedBackendTexture();
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/**
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* The context to use with ReleaseProc. This adds a ref so it *must* be balanced by a call to
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* ReleaseProc. If a wrappedProc is provided then it will be called by ReleaseProc.
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*/
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void* releaseContext(GrGpuFinishedProc wrappedProc = nullptr,
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GrGpuFinishedContext wrappedContext = nullptr) const;
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sk_sp<GrRefCntedCallback> refCountedCallback() const;
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/**
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* Call if the underlying GrBackendTexture was adopted by a GrContext. This clears this out the
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* MBET without deleting the texture.
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*/
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void wasAdopted();
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/**
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* SkImage::MakeFromYUVATextures takes a single release proc that is called once for all the
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* textures. This makes a single release context for the group of textures. It's used with the
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* standard ReleaseProc. Like releaseContext(), it must be balanced by a ReleaseProc call for
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* proper ref counting.
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*/
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static void* MakeYUVAReleaseContext(const sk_sp<ManagedBackendTexture>[SkYUVAInfo::kMaxPlanes]);
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const GrBackendTexture& texture() { return fTexture; }
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private:
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ManagedBackendTexture() = default;
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ManagedBackendTexture(const ManagedBackendTexture&) = delete;
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ManagedBackendTexture(ManagedBackendTexture&&) = delete;
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sk_sp<GrDirectContext> fDContext;
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GrBackendTexture fTexture;
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};
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template <typename... Args>
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inline sk_sp<ManagedBackendTexture> ManagedBackendTexture::MakeWithData(GrDirectContext* dContext,
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Args&&... args) {
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sk_sp<ManagedBackendTexture> mbet(new ManagedBackendTexture);
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mbet->fDContext = sk_ref_sp(dContext);
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mbet->fTexture = dContext->createBackendTexture(std::forward<Args>(args)...,
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ReleaseProc,
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mbet->releaseContext());
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if (!mbet->fTexture.isValid()) {
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return nullptr;
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}
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return mbet;
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}
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template <typename... Args>
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inline sk_sp<ManagedBackendTexture> ManagedBackendTexture::MakeWithoutData(
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GrDirectContext* dContext,
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Args&&... args) {
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GrBackendTexture texture =
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dContext->createBackendTexture(std::forward<Args>(args)...);
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if (!texture.isValid()) {
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return nullptr;
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}
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sk_sp<ManagedBackendTexture> mbet(new ManagedBackendTexture);
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mbet->fDContext = sk_ref_sp(dContext);
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mbet->fTexture = std::move(texture);
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return mbet;
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}
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} // namespace sk_gpu_test
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#endif
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