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diff --git a/include/private/SkRecords.h b/include/private/SkRecords.h
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-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkRecords_DEFINED
-#define SkRecords_DEFINED
-
-#include "SkCanvas.h"
-#include "SkDrawable.h"
-#include "SkPathPriv.h"
-#include "SkPicture.h"
-#include "SkRSXform.h"
-#include "SkTextBlob.h"
-
-namespace SkRecords {
-
-// A list of all the types of canvas calls we can record.
-// Each of these is reified into a struct below.
-//
-// (We're using the macro-of-macro trick here to do several different things with the same list.)
-//
-// We leave this SK_RECORD_TYPES macro defined for use by code that wants to operate on SkRecords
-// types polymorphically. (See SkRecord::Record::{visit,mutate} for an example.)
-//
-// Order doesn't technically matter here, but the compiler can generally generate better code if
-// you keep them semantically grouped, especially the Draws. It's also nice to leave NoOp at 0.
-#define SK_RECORD_TYPES(M) \
- M(NoOp) \
- M(Restore) \
- M(Save) \
- M(SaveLayer) \
- M(SetMatrix) \
- M(ClipPath) \
- M(ClipRRect) \
- M(ClipRect) \
- M(ClipRegion) \
- M(DrawBitmap) \
- M(DrawBitmapNine) \
- M(DrawBitmapRectToRect) \
- M(DrawBitmapRectToRectBleed) \
- M(DrawDrawable) \
- M(DrawImage) \
- M(DrawImageRect) \
- M(DrawImageNine) \
- M(DrawDRRect) \
- M(DrawOval) \
- M(DrawPaint) \
- M(DrawPath) \
- M(DrawPatch) \
- M(DrawPicture) \
- M(DrawPoints) \
- M(DrawPosText) \
- M(DrawPosTextH) \
- M(DrawText) \
- M(DrawTextOnPath) \
- M(DrawRRect) \
- M(DrawRect) \
- M(DrawSprite) \
- M(DrawTextBlob) \
- M(DrawAtlas) \
- M(DrawVertices)
-
-// Defines SkRecords::Type, an enum of all record types.
-#define ENUM(T) T##_Type,
-enum Type { SK_RECORD_TYPES(ENUM) };
-#undef ENUM
-
-// Macros to make it easier to define a record for a draw call with 0 args, 1 args, 2 args, etc.
-// These should be clearer when you look at their use below.
-#define RECORD0(T) \
-struct T { \
- static const Type kType = T##_Type; \
-};
-
-// Instead of requring the exact type A here, we take any type Z which implicitly casts to A.
-// This lets our wrappers like ImmutableBitmap work seamlessly.
-
-#define RECORD1(T, A, a) \
-struct T { \
- static const Type kType = T##_Type; \
- T() {} \
- template <typename Z> \
- T(const Z& a) : a(a) {} \
- A a; \
-};
-
-#define RECORD2(T, A, a, B, b) \
-struct T { \
- static const Type kType = T##_Type; \
- T() {} \
- template <typename Z, typename Y> \
- T(const Z& a, const Y& b) : a(a), b(b) {} \
- A a; B b; \
-};
-
-#define RECORD3(T, A, a, B, b, C, c) \
-struct T { \
- static const Type kType = T##_Type; \
- T() {} \
- template <typename Z, typename Y, typename X> \
- T(const Z& a, const Y& b, const X& c) : a(a), b(b), c(c) {} \
- A a; B b; C c; \
-};
-
-#define RECORD4(T, A, a, B, b, C, c, D, d) \
-struct T { \
- static const Type kType = T##_Type; \
- T() {} \
- template <typename Z, typename Y, typename X, typename W> \
- T(const Z& a, const Y& b, const X& c, const W& d) : a(a), b(b), c(c), d(d) {} \
- A a; B b; C c; D d; \
-};
-
-#define RECORD5(T, A, a, B, b, C, c, D, d, E, e) \
-struct T { \
- static const Type kType = T##_Type; \
- T() {} \
- template <typename Z, typename Y, typename X, typename W, typename V> \
- T(const Z& a, const Y& b, const X& c, const W& d, const V& e) \
- : a(a), b(b), c(c), d(d), e(e) {} \
- A a; B b; C c; D d; E e; \
-};
-
-#define RECORD8(T, A, a, B, b, C, c, D, d, E, e, F, f, G, g, H, h) \
-struct T { \
- static const Type kType = T##_Type; \
- T() {} \
- template <typename Z, typename Y, typename X, typename W, \
- typename V, typename U, typename S, typename R> \
- T(const Z& a, const Y& b, const X& c, const W& d, \
- const V& e, const U& f, const S& g, const R& h) \
- : a(a), b(b), c(c), d(d), e(e), f(f), g(g), h(h) {} \
- A a; B b; C c; D d; E e; F f; G g; H h; \
-};
-
-#define ACT_AS_PTR(ptr) \
- operator T*() const { return ptr; } \
- T* operator->() const { return ptr; }
-
-template <typename T>
-class RefBox : SkNoncopyable {
-public:
- RefBox() {}
- RefBox(T* obj) : fObj(SkSafeRef(obj)) {}
- ~RefBox() { SkSafeUnref(fObj); }
-
- ACT_AS_PTR(fObj);
-
-private:
- T* fObj;
-};
-
-// An Optional doesn't own the pointer's memory, but may need to destroy non-POD data.
-template <typename T>
-class Optional : SkNoncopyable {
-public:
- Optional() : fPtr(nullptr) {}
- Optional(T* ptr) : fPtr(ptr) {}
- ~Optional() { if (fPtr) fPtr->~T(); }
-
- ACT_AS_PTR(fPtr);
-private:
- T* fPtr;
-};
-
-// Like Optional, but ptr must not be NULL.
-template <typename T>
-class Adopted : SkNoncopyable {
-public:
- Adopted(T* ptr) : fPtr(ptr) { SkASSERT(fPtr); }
- Adopted(Adopted* source) {
- // Transfer ownership from source to this.
- fPtr = source->fPtr;
- source->fPtr = NULL;
- }
- ~Adopted() { if (fPtr) fPtr->~T(); }
-
- ACT_AS_PTR(fPtr);
-private:
- T* fPtr;
-};
-
-// PODArray doesn't own the pointer's memory, and we assume the data is POD.
-template <typename T>
-class PODArray {
-public:
- PODArray() {}
- PODArray(T* ptr) : fPtr(ptr) {}
- // Default copy and assign.
-
- ACT_AS_PTR(fPtr);
-private:
- T* fPtr;
-};
-
-#undef ACT_AS_PTR
-
-// Like SkBitmap, but deep copies pixels if they're not immutable.
-// Using this, we guarantee the immutability of all bitmaps we record.
-class ImmutableBitmap : SkNoncopyable {
-public:
- ImmutableBitmap() {}
- explicit ImmutableBitmap(const SkBitmap& bitmap) {
- if (bitmap.isImmutable()) {
- fBitmap = bitmap;
- } else {
- bitmap.copyTo(&fBitmap);
- }
- fBitmap.setImmutable();
- }
-
- int width() const { return fBitmap.width(); }
- int height() const { return fBitmap.height(); }
-
- // While the pixels are immutable, SkBitmap itself is not thread-safe, so return a copy.
- SkBitmap shallowCopy() const { return fBitmap; }
-private:
- SkBitmap fBitmap;
-};
-
-// SkPath::getBounds() isn't thread safe unless we precache the bounds in a singlethreaded context.
-// SkPath::cheapComputeDirection() is similar.
-// Recording is a convenient time to cache these, or we can delay it to between record and playback.
-struct PreCachedPath : public SkPath {
- PreCachedPath() {}
- explicit PreCachedPath(const SkPath& path) : SkPath(path) {
- this->updateBoundsCache();
-#if 0 // Disabled to see if we ever really race on this. It costs time, chromium:496982.
- SkPathPriv::FirstDirection junk;
- (void)SkPathPriv::CheapComputeFirstDirection(*this, &junk);
-#endif
- }
-};
-
-// Like SkPath::getBounds(), SkMatrix::getType() isn't thread safe unless we precache it.
-// This may not cover all SkMatrices used by the picture (e.g. some could be hiding in a shader).
-struct TypedMatrix : public SkMatrix {
- TypedMatrix() {}
- explicit TypedMatrix(const SkMatrix& matrix) : SkMatrix(matrix) {
- (void)this->getType();
- }
-};
-
-RECORD0(NoOp);
-
-RECORD2(Restore, SkIRect, devBounds, TypedMatrix, matrix);
-RECORD0(Save);
-RECORD3(SaveLayer, Optional<SkRect>, bounds, Optional<SkPaint>, paint, SkCanvas::SaveFlags, flags);
-
-RECORD1(SetMatrix, TypedMatrix, matrix);
-
-struct RegionOpAndAA {
- RegionOpAndAA() {}
- RegionOpAndAA(SkRegion::Op op, bool aa) : op(op), aa(aa) {}
- SkRegion::Op op : 31; // This really only needs to be 3, but there's no win today to do so.
- unsigned aa : 1; // MSVC won't pack an enum with an bool, so we call this an unsigned.
-};
-SK_COMPILE_ASSERT(sizeof(RegionOpAndAA) == 4, RegionOpAndAASize);
-
-RECORD3(ClipPath, SkIRect, devBounds, PreCachedPath, path, RegionOpAndAA, opAA);
-RECORD3(ClipRRect, SkIRect, devBounds, SkRRect, rrect, RegionOpAndAA, opAA);
-RECORD3(ClipRect, SkIRect, devBounds, SkRect, rect, RegionOpAndAA, opAA);
-RECORD3(ClipRegion, SkIRect, devBounds, SkRegion, region, SkRegion::Op, op);
-
-// While not strictly required, if you have an SkPaint, it's fastest to put it first.
-RECORD4(DrawBitmap, Optional<SkPaint>, paint,
- ImmutableBitmap, bitmap,
- SkScalar, left,
- SkScalar, top);
-RECORD4(DrawBitmapNine, Optional<SkPaint>, paint,
- ImmutableBitmap, bitmap,
- SkIRect, center,
- SkRect, dst);
-RECORD4(DrawBitmapRectToRect, Optional<SkPaint>, paint,
- ImmutableBitmap, bitmap,
- Optional<SkRect>, src,
- SkRect, dst);
-RECORD4(DrawBitmapRectToRectBleed, Optional<SkPaint>, paint,
- ImmutableBitmap, bitmap,
- Optional<SkRect>, src,
- SkRect, dst);
-RECORD3(DrawDRRect, SkPaint, paint, SkRRect, outer, SkRRect, inner);
-RECORD2(DrawDrawable, SkRect, worstCaseBounds, int32_t, index);
-RECORD4(DrawImage, Optional<SkPaint>, paint,
- RefBox<const SkImage>, image,
- SkScalar, left,
- SkScalar, top);
-RECORD4(DrawImageRect, Optional<SkPaint>, paint,
- RefBox<const SkImage>, image,
- Optional<SkRect>, src,
- SkRect, dst);
-RECORD4(DrawImageNine, Optional<SkPaint>, paint,
- RefBox<const SkImage>, image,
- SkIRect, center,
- SkRect, dst);
-RECORD2(DrawOval, SkPaint, paint, SkRect, oval);
-RECORD1(DrawPaint, SkPaint, paint);
-RECORD2(DrawPath, SkPaint, paint, PreCachedPath, path);
-RECORD3(DrawPicture, Optional<SkPaint>, paint,
- RefBox<const SkPicture>, picture,
- TypedMatrix, matrix);
-RECORD4(DrawPoints, SkPaint, paint, SkCanvas::PointMode, mode, unsigned, count, SkPoint*, pts);
-RECORD4(DrawPosText, SkPaint, paint,
- PODArray<char>, text,
- size_t, byteLength,
- PODArray<SkPoint>, pos);
-RECORD5(DrawPosTextH, SkPaint, paint,
- PODArray<char>, text,
- unsigned, byteLength,
- SkScalar, y,
- PODArray<SkScalar>, xpos);
-RECORD2(DrawRRect, SkPaint, paint, SkRRect, rrect);
-RECORD2(DrawRect, SkPaint, paint, SkRect, rect);
-RECORD4(DrawSprite, Optional<SkPaint>, paint, ImmutableBitmap, bitmap, int, left, int, top);
-RECORD5(DrawText, SkPaint, paint,
- PODArray<char>, text,
- size_t, byteLength,
- SkScalar, x,
- SkScalar, y);
-RECORD4(DrawTextBlob, SkPaint, paint,
- RefBox<const SkTextBlob>, blob,
- SkScalar, x,
- SkScalar, y);
-RECORD5(DrawTextOnPath, SkPaint, paint,
- PODArray<char>, text,
- size_t, byteLength,
- PreCachedPath, path,
- TypedMatrix, matrix);
-
-RECORD5(DrawPatch, SkPaint, paint,
- PODArray<SkPoint>, cubics,
- PODArray<SkColor>, colors,
- PODArray<SkPoint>, texCoords,
- RefBox<SkXfermode>, xmode);
-
-RECORD8(DrawAtlas, Optional<SkPaint>, paint,
- RefBox<const SkImage>, atlas,
- PODArray<SkRSXform>, xforms,
- PODArray<SkRect>, texs,
- PODArray<SkColor>, colors,
- int, count,
- SkXfermode::Mode, mode,
- Optional<SkRect>, cull);
-
-// This guy is so ugly we just write it manually.
-struct DrawVertices {
- static const Type kType = DrawVertices_Type;
-
- DrawVertices(const SkPaint& paint,
- SkCanvas::VertexMode vmode,
- int vertexCount,
- SkPoint* vertices,
- SkPoint* texs,
- SkColor* colors,
- SkXfermode* xmode,
- uint16_t* indices,
- int indexCount)
- : paint(paint)
- , vmode(vmode)
- , vertexCount(vertexCount)
- , vertices(vertices)
- , texs(texs)
- , colors(colors)
- , xmode(SkSafeRef(xmode))
- , indices(indices)
- , indexCount(indexCount) {}
-
- SkPaint paint;
- SkCanvas::VertexMode vmode;
- int vertexCount;
- PODArray<SkPoint> vertices;
- PODArray<SkPoint> texs;
- PODArray<SkColor> colors;
- SkAutoTUnref<SkXfermode> xmode;
- PODArray<uint16_t> indices;
- int indexCount;
-};
-
-#undef RECORD0
-#undef RECORD1
-#undef RECORD2
-#undef RECORD3
-#undef RECORD4
-#undef RECORD5
-#undef RECORD8
-
-} // namespace SkRecords
-
-#endif//SkRecords_DEFINED
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