/*
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* Copyright 2017 Google Inc.
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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 SkInternalAtlasTextContext_DEFINED
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#define SkInternalAtlasTextContext_DEFINED
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#include "GrDeferredUpload.h"
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#include "SkArenaAlloc.h"
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#include "SkArenaAllocList.h"
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#include "SkRefCnt.h"
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class GrContext;
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class GrStrikeCache;
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class GrTextBlobCache;
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class SkAtlasTextRenderer;
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class SkMatrix;
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/**
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* The implementation of SkAtlasTextContext. This exists to hide the details from the public class.
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* and to be able to use other private types.
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*/
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class SkInternalAtlasTextContext : public GrDeferredUploadTarget {
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public:
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static std::unique_ptr<SkInternalAtlasTextContext> Make(sk_sp<SkAtlasTextRenderer>);
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~SkInternalAtlasTextContext() override;
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SkAtlasTextRenderer* renderer() const { return fRenderer.get(); }
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GrContext* grContext() const { return fGrContext.get(); }
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GrStrikeCache* glyphCache();
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GrTextBlobCache* textBlobCache();
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const GrTokenTracker* tokenTracker() final { return &fTokenTracker; }
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GrDeferredUploadToken addInlineUpload(GrDeferredTextureUploadFn&&) final;
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GrDeferredUploadToken addASAPUpload(GrDeferredTextureUploadFn&&) final;
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void recordDraw(const void* vertexData, int glyphCnt, const SkMatrix&, void* targetHandle);
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void flush();
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private:
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class DeferredUploader;
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SkInternalAtlasTextContext() = delete;
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SkInternalAtlasTextContext(const SkInternalAtlasTextContext&) = delete;
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SkInternalAtlasTextContext& operator=(const SkInternalAtlasTextContext&) = delete;
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SkInternalAtlasTextContext(sk_sp<SkAtlasTextRenderer>);
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sk_sp<SkAtlasTextRenderer> fRenderer;
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struct AtlasTexture {
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void* fTextureHandle = nullptr;
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GrTextureProxy* fProxy = nullptr;
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};
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struct Draw {
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int fGlyphCnt;
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GrDeferredUploadToken fToken;
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void* fTargetHandle;
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const void* fVertexData;
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};
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struct InlineUpload {
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GrDeferredTextureUploadFn fUpload;
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GrDeferredUploadToken fToken;
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};
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GrTokenTracker fTokenTracker;
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SkArenaAllocList<InlineUpload> fInlineUploads;
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SkArenaAllocList<Draw> fDraws;
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SkArenaAllocList<GrDeferredTextureUploadFn> fASAPUploads;
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SkArenaAlloc fArena{1024 * 40};
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sk_sp<GrContext> fGrContext;
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AtlasTexture fDistanceFieldAtlas;
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};
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#endif
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