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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "RecordingCanvas.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkDrawShadowInfo.h"
#include "SkImage.h"
#include "SkImageFilter.h"
#include "SkMath.h"
#include "SkPicture.h"
#include "SkRSXform.h"
#include "SkRegion.h"
#include "SkTextBlob.h"
#include "SkVertices.h"
#include <experimental/type_traits>
namespace android {
namespace uirenderer {
#ifndef SKLITEDL_PAGE
#define SKLITEDL_PAGE 4096
#endif
// A stand-in for an optional SkRect which was not set, e.g. bounds for a saveLayer().
static const SkRect kUnset = {SK_ScalarInfinity, 0, 0, 0};
static const SkRect* maybe_unset(const SkRect& r) {
return r.left() == SK_ScalarInfinity ? nullptr : &r;
}
// copy_v(dst, src,n, src,n, ...) copies an arbitrary number of typed srcs into dst.
static void copy_v(void* dst) {}
template <typename S, typename... Rest>
static void copy_v(void* dst, const S* src, int n, Rest&&... rest) {
SkASSERTF(((uintptr_t)dst & (alignof(S) - 1)) == 0,
"Expected %p to be aligned for at least %zu bytes.", dst, alignof(S));
sk_careful_memcpy(dst, src, n * sizeof(S));
copy_v(SkTAddOffset<void>(dst, n * sizeof(S)), std::forward<Rest>(rest)...);
}
// Helper for getting back at arrays which have been copy_v'd together after an Op.
template <typename D, typename T>
static const D* pod(const T* op, size_t offset = 0) {
return SkTAddOffset<const D>(op + 1, offset);
}
namespace {
#define X(T) T,
enum class Type : uint8_t {
#include "DisplayListOps.in"
};
#undef X
struct Op {
uint32_t type : 8;
uint32_t skip : 24;
};
static_assert(sizeof(Op) == 4, "");
struct Flush final : Op {
static const auto kType = Type::Flush;
void draw(SkCanvas* c, const SkMatrix&) const { c->flush(); }
};
struct Save final : Op {
static const auto kType = Type::Save;
void draw(SkCanvas* c, const SkMatrix&) const { c->save(); }
};
struct Restore final : Op {
static const auto kType = Type::Restore;
void draw(SkCanvas* c, const SkMatrix&) const { c->restore(); }
};
struct SaveLayer final : Op {
static const auto kType = Type::SaveLayer;
SaveLayer(const SkRect* bounds, const SkPaint* paint, const SkImageFilter* backdrop,
const SkImage* clipMask, const SkMatrix* clipMatrix, SkCanvas::SaveLayerFlags flags) {
if (bounds) {
this->bounds = *bounds;
}
if (paint) {
this->paint = *paint;
}
this->backdrop = sk_ref_sp(backdrop);
this->clipMask = sk_ref_sp(clipMask);
this->clipMatrix = clipMatrix ? *clipMatrix : SkMatrix::I();
this->flags = flags;
}
SkRect bounds = kUnset;
SkPaint paint;
sk_sp<const SkImageFilter> backdrop;
sk_sp<const SkImage> clipMask;
SkMatrix clipMatrix;
SkCanvas::SaveLayerFlags flags;
void draw(SkCanvas* c, const SkMatrix&) const {
c->saveLayer({maybe_unset(bounds), &paint, backdrop.get(), clipMask.get(),
clipMatrix.isIdentity() ? nullptr : &clipMatrix, flags});
}
};
struct Concat final : Op {
static const auto kType = Type::Concat;
Concat(const SkMatrix& matrix) : matrix(matrix) {}
SkMatrix matrix;
void draw(SkCanvas* c, const SkMatrix&) const { c->concat(matrix); }
};
struct SetMatrix final : Op {
static const auto kType = Type::SetMatrix;
SetMatrix(const SkMatrix& matrix) : matrix(matrix) {}
SkMatrix matrix;
void draw(SkCanvas* c, const SkMatrix& original) const {
c->setMatrix(SkMatrix::Concat(original, matrix));
}
};
struct Translate final : Op {
static const auto kType = Type::Translate;
Translate(SkScalar dx, SkScalar dy) : dx(dx), dy(dy) {}
SkScalar dx, dy;
void draw(SkCanvas* c, const SkMatrix&) const { c->translate(dx, dy); }
};
struct ClipPath final : Op {
static const auto kType = Type::ClipPath;
ClipPath(const SkPath& path, SkClipOp op, bool aa) : path(path), op(op), aa(aa) {}
SkPath path;
SkClipOp op;
bool aa;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipPath(path, op, aa); }
};
struct ClipRect final : Op {
static const auto kType = Type::ClipRect;
ClipRect(const SkRect& rect, SkClipOp op, bool aa) : rect(rect), op(op), aa(aa) {}
SkRect rect;
SkClipOp op;
bool aa;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipRect(rect, op, aa); }
};
struct ClipRRect final : Op {
static const auto kType = Type::ClipRRect;
ClipRRect(const SkRRect& rrect, SkClipOp op, bool aa) : rrect(rrect), op(op), aa(aa) {}
SkRRect rrect;
SkClipOp op;
bool aa;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipRRect(rrect, op, aa); }
};
struct ClipRegion final : Op {
static const auto kType = Type::ClipRegion;
ClipRegion(const SkRegion& region, SkClipOp op) : region(region), op(op) {}
SkRegion region;
SkClipOp op;
void draw(SkCanvas* c, const SkMatrix&) const { c->clipRegion(region, op); }
};
struct DrawPaint final : Op {
static const auto kType = Type::DrawPaint;
DrawPaint(const SkPaint& paint) : paint(paint) {}
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawPaint(paint); }
};
struct DrawPath final : Op {
static const auto kType = Type::DrawPath;
DrawPath(const SkPath& path, const SkPaint& paint) : path(path), paint(paint) {}
SkPath path;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawPath(path, paint); }
};
struct DrawRect final : Op {
static const auto kType = Type::DrawRect;
DrawRect(const SkRect& rect, const SkPaint& paint) : rect(rect), paint(paint) {}
SkRect rect;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawRect(rect, paint); }
};
struct DrawRegion final : Op {
static const auto kType = Type::DrawRegion;
DrawRegion(const SkRegion& region, const SkPaint& paint) : region(region), paint(paint) {}
SkRegion region;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawRegion(region, paint); }
};
struct DrawOval final : Op {
static const auto kType = Type::DrawOval;
DrawOval(const SkRect& oval, const SkPaint& paint) : oval(oval), paint(paint) {}
SkRect oval;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawOval(oval, paint); }
};
struct DrawArc final : Op {
static const auto kType = Type::DrawArc;
DrawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool useCenter,
const SkPaint& paint)
: oval(oval)
, startAngle(startAngle)
, sweepAngle(sweepAngle)
, useCenter(useCenter)
, paint(paint) {}
SkRect oval;
SkScalar startAngle;
SkScalar sweepAngle;
bool useCenter;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawArc(oval, startAngle, sweepAngle, useCenter, paint);
}
};
struct DrawRRect final : Op {
static const auto kType = Type::DrawRRect;
DrawRRect(const SkRRect& rrect, const SkPaint& paint) : rrect(rrect), paint(paint) {}
SkRRect rrect;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawRRect(rrect, paint); }
};
struct DrawDRRect final : Op {
static const auto kType = Type::DrawDRRect;
DrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint)
: outer(outer), inner(inner), paint(paint) {}
SkRRect outer, inner;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawDRRect(outer, inner, paint); }
};
struct DrawAnnotation final : Op {
static const auto kType = Type::DrawAnnotation;
DrawAnnotation(const SkRect& rect, SkData* value) : rect(rect), value(sk_ref_sp(value)) {}
SkRect rect;
sk_sp<SkData> value;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawAnnotation(rect, pod<char>(this), value.get());
}
};
struct DrawDrawable final : Op {
static const auto kType = Type::DrawDrawable;
DrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) : drawable(sk_ref_sp(drawable)) {
if (matrix) {
this->matrix = *matrix;
}
}
sk_sp<SkDrawable> drawable;
SkMatrix matrix = SkMatrix::I();
void draw(SkCanvas* c, const SkMatrix&) const { c->drawDrawable(drawable.get(), &matrix); }
};
struct DrawPicture final : Op {
static const auto kType = Type::DrawPicture;
DrawPicture(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint)
: picture(sk_ref_sp(picture)) {
if (matrix) {
this->matrix = *matrix;
}
if (paint) {
this->paint = *paint;
has_paint = true;
}
}
sk_sp<const SkPicture> picture;
SkMatrix matrix = SkMatrix::I();
SkPaint paint;
bool has_paint = false; // TODO: why is a default paint not the same?
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawPicture(picture.get(), &matrix, has_paint ? &paint : nullptr);
}
};
struct DrawImage final : Op {
static const auto kType = Type::DrawImage;
DrawImage(sk_sp<const SkImage>&& image, SkScalar x, SkScalar y, const SkPaint* paint)
: image(std::move(image)), x(x), y(y) {
if (paint) {
this->paint = *paint;
}
}
sk_sp<const SkImage> image;
SkScalar x, y;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawImage(image.get(), x, y, &paint); }
};
struct DrawImageNine final : Op {
static const auto kType = Type::DrawImageNine;
DrawImageNine(sk_sp<const SkImage>&& image, const SkIRect& center, const SkRect& dst,
const SkPaint* paint)
: image(std::move(image)), center(center), dst(dst) {
if (paint) {
this->paint = *paint;
}
}
sk_sp<const SkImage> image;
SkIRect center;
SkRect dst;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawImageNine(image.get(), center, dst, &paint);
}
};
struct DrawImageRect final : Op {
static const auto kType = Type::DrawImageRect;
DrawImageRect(sk_sp<const SkImage>&& image, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SkCanvas::SrcRectConstraint constraint)
: image(std::move(image)), dst(dst), constraint(constraint) {
this->src = src ? *src : SkRect::MakeIWH(this->image->width(), this->image->height());
if (paint) {
this->paint = *paint;
}
}
sk_sp<const SkImage> image;
SkRect src, dst;
SkPaint paint;
SkCanvas::SrcRectConstraint constraint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawImageRect(image.get(), src, dst, &paint, constraint);
}
};
struct DrawImageLattice final : Op {
static const auto kType = Type::DrawImageLattice;
DrawImageLattice(sk_sp<const SkImage>&& image, int xs, int ys, int fs, const SkIRect& src,
const SkRect& dst, const SkPaint* paint)
: image(std::move(image)), xs(xs), ys(ys), fs(fs), src(src), dst(dst) {
if (paint) {
this->paint = *paint;
}
}
sk_sp<const SkImage> image;
int xs, ys, fs;
SkIRect src;
SkRect dst;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
auto xdivs = pod<int>(this, 0), ydivs = pod<int>(this, xs * sizeof(int));
auto colors = (0 == fs) ? nullptr : pod<SkColor>(this, (xs + ys) * sizeof(int));
auto flags =
(0 == fs) ? nullptr : pod<SkCanvas::Lattice::RectType>(
this, (xs + ys) * sizeof(int) + fs * sizeof(SkColor));
c->drawImageLattice(image.get(), {xdivs, ydivs, flags, xs, ys, &src, colors}, dst, &paint);
}
};
struct DrawText final : Op {
static const auto kType = Type::DrawText;
DrawText(size_t bytes, SkScalar x, SkScalar y, const SkPaint& paint)
: bytes(bytes), x(x), y(y), paint(paint) {}
size_t bytes;
SkScalar x, y;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawText(pod<void>(this), bytes, x, y, paint);
}
};
struct DrawPosText final : Op {
static const auto kType = Type::DrawPosText;
DrawPosText(size_t bytes, const SkPaint& paint, int n) : bytes(bytes), paint(paint), n(n) {}
size_t bytes;
SkPaint paint;
int n;
void draw(SkCanvas* c, const SkMatrix&) const {
auto points = pod<SkPoint>(this);
auto text = pod<void>(this, n * sizeof(SkPoint));
c->drawPosText(text, bytes, points, paint);
}
};
struct DrawPosTextH final : Op {
static const auto kType = Type::DrawPosTextH;
DrawPosTextH(size_t bytes, SkScalar y, const SkPaint& paint, int n)
: bytes(bytes), y(y), paint(paint), n(n) {}
size_t bytes;
SkScalar y;
SkPaint paint;
int n;
void draw(SkCanvas* c, const SkMatrix&) const {
auto xs = pod<SkScalar>(this);
auto text = pod<void>(this, n * sizeof(SkScalar));
c->drawPosTextH(text, bytes, xs, y, paint);
}
};
struct DrawTextRSXform final : Op {
static const auto kType = Type::DrawTextRSXform;
DrawTextRSXform(size_t bytes, int xforms, const SkRect* cull, const SkPaint& paint)
: bytes(bytes), xforms(xforms), paint(paint) {
if (cull) {
this->cull = *cull;
}
}
size_t bytes;
int xforms;
SkRect cull = kUnset;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
// For alignment, the SkRSXforms are first in the pod section, followed by the text.
c->drawTextRSXform(pod<void>(this, xforms * sizeof(SkRSXform)), bytes, pod<SkRSXform>(this),
maybe_unset(cull), paint);
}
};
struct DrawTextBlob final : Op {
static const auto kType = Type::DrawTextBlob;
DrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint)
: blob(sk_ref_sp(blob)), x(x), y(y), paint(paint) {}
sk_sp<const SkTextBlob> blob;
SkScalar x, y;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const { c->drawTextBlob(blob.get(), x, y, paint); }
};
struct DrawPatch final : Op {
static const auto kType = Type::DrawPatch;
DrawPatch(const SkPoint cubics[12], const SkColor colors[4], const SkPoint texs[4],
SkBlendMode bmode, const SkPaint& paint)
: xfermode(bmode), paint(paint) {
copy_v(this->cubics, cubics, 12);
if (colors) {
copy_v(this->colors, colors, 4);
has_colors = true;
}
if (texs) {
copy_v(this->texs, texs, 4);
has_texs = true;
}
}
SkPoint cubics[12];
SkColor colors[4];
SkPoint texs[4];
SkBlendMode xfermode;
SkPaint paint;
bool has_colors = false;
bool has_texs = false;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawPatch(cubics, has_colors ? colors : nullptr, has_texs ? texs : nullptr, xfermode,
paint);
}
};
struct DrawPoints final : Op {
static const auto kType = Type::DrawPoints;
DrawPoints(SkCanvas::PointMode mode, size_t count, const SkPaint& paint)
: mode(mode), count(count), paint(paint) {}
SkCanvas::PointMode mode;
size_t count;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawPoints(mode, count, pod<SkPoint>(this), paint);
}
};
struct DrawVertices final : Op {
static const auto kType = Type::DrawVertices;
DrawVertices(const SkVertices* v, int bc, SkBlendMode m, const SkPaint& p)
: vertices(sk_ref_sp(const_cast<SkVertices*>(v))), boneCount(bc), mode(m), paint(p) {}
sk_sp<SkVertices> vertices;
int boneCount;
SkBlendMode mode;
SkPaint paint;
void draw(SkCanvas* c, const SkMatrix&) const {
c->drawVertices(vertices, pod<SkVertices::Bone>(this), boneCount, mode, paint);
}
};
struct DrawAtlas final : Op {
static const auto kType = Type::DrawAtlas;
DrawAtlas(const SkImage* atlas, int count, SkBlendMode xfermode, const SkRect* cull,
const SkPaint* paint, bool has_colors)
: atlas(sk_ref_sp(atlas)), count(count), xfermode(xfermode), has_colors(has_colors) {
if (cull) {
this->cull = *cull;
}
if (paint) {
this->paint = *paint;
}
}
sk_sp<const SkImage> atlas;
int count;
SkBlendMode xfermode;
SkRect cull = kUnset;
SkPaint paint;
bool has_colors;
void draw(SkCanvas* c, const SkMatrix&) const {
auto xforms = pod<SkRSXform>(this, 0);
auto texs = pod<SkRect>(this, count * sizeof(SkRSXform));
auto colors = has_colors ? pod<SkColor>(this, count * (sizeof(SkRSXform) + sizeof(SkRect)))
: nullptr;
c->drawAtlas(atlas.get(), xforms, texs, colors, count, xfermode, maybe_unset(cull), &paint);
}
};
struct DrawShadowRec final : Op {
static const auto kType = Type::DrawShadowRec;
DrawShadowRec(const SkPath& path, const SkDrawShadowRec& rec) : fPath(path), fRec(rec) {}
SkPath fPath;
SkDrawShadowRec fRec;
void draw(SkCanvas* c, const SkMatrix&) const { c->private_draw_shadow_rec(fPath, fRec); }
};
}
template <typename T, typename... Args>
void* DisplayListData::push(size_t pod, Args&&... args) {
size_t skip = SkAlignPtr(sizeof(T) + pod);
SkASSERT(skip < (1 << 24));
if (fUsed + skip > fReserved) {
static_assert(SkIsPow2(SKLITEDL_PAGE), "This math needs updating for non-pow2.");
// Next greater multiple of SKLITEDL_PAGE.
fReserved = (fUsed + skip + SKLITEDL_PAGE) & ~(SKLITEDL_PAGE - 1);
fBytes.realloc(fReserved);
}
SkASSERT(fUsed + skip <= fReserved);
auto op = (T*)(fBytes.get() + fUsed);
fUsed += skip;
new (op) T{std::forward<Args>(args)...};
op->type = (uint32_t)T::kType;
op->skip = skip;
return op + 1;
}
template <typename Fn, typename... Args>
inline void DisplayListData::map(const Fn fns[], Args... args) const {
auto end = fBytes.get() + fUsed;
for (const uint8_t* ptr = fBytes.get(); ptr < end;) {
auto op = (const Op*)ptr;
auto type = op->type;
auto skip = op->skip;
if (auto fn = fns[type]) { // We replace no-op functions with nullptrs
fn(op, args...); // to avoid the overhead of a pointless call.
}
ptr += skip;
}
}
void DisplayListData::flush() {
this->push<Flush>(0);
}
void DisplayListData::save() {
this->push<Save>(0);
}
void DisplayListData::restore() {
this->push<Restore>(0);
}
void DisplayListData::saveLayer(const SkRect* bounds, const SkPaint* paint,
const SkImageFilter* backdrop, const SkImage* clipMask,
const SkMatrix* clipMatrix, SkCanvas::SaveLayerFlags flags) {
this->push<SaveLayer>(0, bounds, paint, backdrop, clipMask, clipMatrix, flags);
}
void DisplayListData::concat(const SkMatrix& matrix) {
this->push<Concat>(0, matrix);
}
void DisplayListData::setMatrix(const SkMatrix& matrix) {
this->push<SetMatrix>(0, matrix);
}
void DisplayListData::translate(SkScalar dx, SkScalar dy) {
this->push<Translate>(0, dx, dy);
}
void DisplayListData::clipPath(const SkPath& path, SkClipOp op, bool aa) {
this->push<ClipPath>(0, path, op, aa);
}
void DisplayListData::clipRect(const SkRect& rect, SkClipOp op, bool aa) {
this->push<ClipRect>(0, rect, op, aa);
}
void DisplayListData::clipRRect(const SkRRect& rrect, SkClipOp op, bool aa) {
this->push<ClipRRect>(0, rrect, op, aa);
}
void DisplayListData::clipRegion(const SkRegion& region, SkClipOp op) {
this->push<ClipRegion>(0, region, op);
}
void DisplayListData::drawPaint(const SkPaint& paint) {
this->push<DrawPaint>(0, paint);
}
void DisplayListData::drawPath(const SkPath& path, const SkPaint& paint) {
this->push<DrawPath>(0, path, paint);
}
void DisplayListData::drawRect(const SkRect& rect, const SkPaint& paint) {
this->push<DrawRect>(0, rect, paint);
}
void DisplayListData::drawRegion(const SkRegion& region, const SkPaint& paint) {
this->push<DrawRegion>(0, region, paint);
}
void DisplayListData::drawOval(const SkRect& oval, const SkPaint& paint) {
this->push<DrawOval>(0, oval, paint);
}
void DisplayListData::drawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle,
bool useCenter, const SkPaint& paint) {
this->push<DrawArc>(0, oval, startAngle, sweepAngle, useCenter, paint);
}
void DisplayListData::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
this->push<DrawRRect>(0, rrect, paint);
}
void DisplayListData::drawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) {
this->push<DrawDRRect>(0, outer, inner, paint);
}
void DisplayListData::drawAnnotation(const SkRect& rect, const char* key, SkData* value) {
size_t bytes = strlen(key) + 1;
void* pod = this->push<DrawAnnotation>(bytes, rect, value);
copy_v(pod, key, bytes);
}
void DisplayListData::drawDrawable(SkDrawable* drawable, const SkMatrix* matrix) {
this->push<DrawDrawable>(0, drawable, matrix);
}
void DisplayListData::drawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
this->push<DrawPicture>(0, picture, matrix, paint);
}
void DisplayListData::drawImage(sk_sp<const SkImage> image, SkScalar x, SkScalar y,
const SkPaint* paint) {
this->push<DrawImage>(0, std::move(image), x, y, paint);
}
void DisplayListData::drawImageNine(sk_sp<const SkImage> image, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
this->push<DrawImageNine>(0, std::move(image), center, dst, paint);
}
void DisplayListData::drawImageRect(sk_sp<const SkImage> image, const SkRect* src,
const SkRect& dst, const SkPaint* paint,
SkCanvas::SrcRectConstraint constraint) {
this->push<DrawImageRect>(0, std::move(image), src, dst, paint, constraint);
}
void DisplayListData::drawImageLattice(sk_sp<const SkImage> image, const SkCanvas::Lattice& lattice,
const SkRect& dst, const SkPaint* paint) {
int xs = lattice.fXCount, ys = lattice.fYCount;
int fs = lattice.fRectTypes ? (xs + 1) * (ys + 1) : 0;
size_t bytes = (xs + ys) * sizeof(int) + fs * sizeof(SkCanvas::Lattice::RectType) +
fs * sizeof(SkColor);
SkASSERT(lattice.fBounds);
void* pod = this->push<DrawImageLattice>(bytes, std::move(image), xs, ys, fs, *lattice.fBounds,
dst, paint);
copy_v(pod, lattice.fXDivs, xs, lattice.fYDivs, ys, lattice.fColors, fs, lattice.fRectTypes,
fs);
}
void DisplayListData::drawText(const void* text, size_t bytes, SkScalar x, SkScalar y,
const SkPaint& paint) {
void* pod = this->push<DrawText>(bytes, bytes, x, y, paint);
copy_v(pod, (const char*)text, bytes);
}
void DisplayListData::drawPosText(const void* text, size_t bytes, const SkPoint pos[],
const SkPaint& paint) {
int n = paint.countText(text, bytes);
void* pod = this->push<DrawPosText>(n * sizeof(SkPoint) + bytes, bytes, paint, n);
copy_v(pod, pos, n, (const char*)text, bytes);
}
void DisplayListData::drawPosTextH(const void* text, size_t bytes, const SkScalar xs[], SkScalar y,
const SkPaint& paint) {
int n = paint.countText(text, bytes);
void* pod = this->push<DrawPosTextH>(n * sizeof(SkScalar) + bytes, bytes, y, paint, n);
copy_v(pod, xs, n, (const char*)text, bytes);
}
void DisplayListData::drawTextRSXform(const void* text, size_t bytes, const SkRSXform xforms[],
const SkRect* cull, const SkPaint& paint) {
int n = paint.countText(text, bytes);
void* pod = this->push<DrawTextRSXform>(bytes + n * sizeof(SkRSXform), bytes, n, cull, paint);
copy_v(pod, xforms, n, (const char*)text, bytes);
}
void DisplayListData::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
this->push<DrawTextBlob>(0, blob, x, y, paint);
}
void DisplayListData::drawPatch(const SkPoint points[12], const SkColor colors[4],
const SkPoint texs[4], SkBlendMode bmode, const SkPaint& paint) {
this->push<DrawPatch>(0, points, colors, texs, bmode, paint);
}
void DisplayListData::drawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint points[],
const SkPaint& paint) {
void* pod = this->push<DrawPoints>(count * sizeof(SkPoint), mode, count, paint);
copy_v(pod, points, count);
}
void DisplayListData::drawVertices(const SkVertices* vertices, const SkVertices::Bone bones[],
int boneCount, SkBlendMode mode, const SkPaint& paint) {
void* pod = this->push<DrawVertices>(boneCount * sizeof(SkVertices::Bone), vertices, boneCount,
mode, paint);
copy_v(pod, bones, boneCount);
}
void DisplayListData::drawAtlas(const SkImage* atlas, const SkRSXform xforms[], const SkRect texs[],
const SkColor colors[], int count, SkBlendMode xfermode,
const SkRect* cull, const SkPaint* paint) {
size_t bytes = count * (sizeof(SkRSXform) + sizeof(SkRect));
if (colors) {
bytes += count * sizeof(SkColor);
}
void* pod =
this->push<DrawAtlas>(bytes, atlas, count, xfermode, cull, paint, colors != nullptr);
copy_v(pod, xforms, count, texs, count, colors, colors ? count : 0);
}
void DisplayListData::drawShadowRec(const SkPath& path, const SkDrawShadowRec& rec) {
this->push<DrawShadowRec>(0, path, rec);
}
typedef void (*draw_fn)(const void*, SkCanvas*, const SkMatrix&);
typedef void (*void_fn)(const void*);
typedef void (*color_transform_fn)(const void*, ColorTransform);
// All ops implement draw().
#define X(T) \
[](const void* op, SkCanvas* c, const SkMatrix& original) { \
((const T*)op)->draw(c, original); \
},
static const draw_fn draw_fns[] = {
#include "DisplayListOps.in"
};
#undef X
// Most state ops (matrix, clip, save, restore) have a trivial destructor.
#define X(T) \
!std::is_trivially_destructible<T>::value ? [](const void* op) { ((const T*)op)->~T(); } \
: (void_fn) nullptr,
static const void_fn dtor_fns[] = {
#include "DisplayListOps.in"
};
#undef X
void DisplayListData::draw(SkCanvas* canvas) const {
SkAutoCanvasRestore acr(canvas, false);
this->map(draw_fns, canvas, canvas->getTotalMatrix());
}
DisplayListData::~DisplayListData() {
this->reset();
}
void DisplayListData::reset() {
this->map(dtor_fns);
// Leave fBytes and fReserved alone.
fUsed = 0;
}
template <class T>
using has_paint_t = decltype(std::declval<T>().paint);
template <class T>
constexpr color_transform_fn colorTransformForOp() {
if
constexpr(std::experimental::is_detected_v<has_paint_t, T>) {
return [](const void* op, ColorTransform transform) {
// TODO: We should be const. Or not. Or just use a different map
// Unclear, but this is the quick fix
transformPaint(transform,
const_cast<SkPaint*>(&(reinterpret_cast<const T*>(op)->paint)));
};
}
else {
return nullptr;
}
}
#define X(T) colorTransformForOp<T>(),
static const color_transform_fn color_transform_fns[] = {
#include "DisplayListOps.in"
};
#undef X
void DisplayListData::applyColorTransform(ColorTransform transform) {
this->map(color_transform_fns, transform);
}
RecordingCanvas::RecordingCanvas() : INHERITED(1, 1), fDL(nullptr) {}
void RecordingCanvas::reset(DisplayListData* dl, const SkIRect& bounds) {
this->resetCanvas(bounds.right(), bounds.bottom());
fDL = dl;
}
sk_sp<SkSurface> RecordingCanvas::onNewSurface(const SkImageInfo&, const SkSurfaceProps&) {
return nullptr;
}
void RecordingCanvas::onFlush() {
fDL->flush();
}
void RecordingCanvas::willSave() {
fDL->save();
}
SkCanvas::SaveLayerStrategy RecordingCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) {
fDL->saveLayer(rec.fBounds, rec.fPaint, rec.fBackdrop, rec.fClipMask, rec.fClipMatrix,
rec.fSaveLayerFlags);
return SkCanvas::kNoLayer_SaveLayerStrategy;
}
void RecordingCanvas::willRestore() {
fDL->restore();
}
void RecordingCanvas::didConcat(const SkMatrix& matrix) {
fDL->concat(matrix);
}
void RecordingCanvas::didSetMatrix(const SkMatrix& matrix) {
fDL->setMatrix(matrix);
}
void RecordingCanvas::didTranslate(SkScalar dx, SkScalar dy) {
fDL->translate(dx, dy);
}
void RecordingCanvas::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle style) {
fDL->clipRect(rect, op, style == kSoft_ClipEdgeStyle);
this->INHERITED::onClipRect(rect, op, style);
}
void RecordingCanvas::onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle style) {
fDL->clipRRect(rrect, op, style == kSoft_ClipEdgeStyle);
this->INHERITED::onClipRRect(rrect, op, style);
}
void RecordingCanvas::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle style) {
fDL->clipPath(path, op, style == kSoft_ClipEdgeStyle);
this->INHERITED::onClipPath(path, op, style);
}
void RecordingCanvas::onClipRegion(const SkRegion& region, SkClipOp op) {
fDL->clipRegion(region, op);
this->INHERITED::onClipRegion(region, op);
}
void RecordingCanvas::onDrawPaint(const SkPaint& paint) {
fDL->drawPaint(paint);
}
void RecordingCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
fDL->drawPath(path, paint);
}
void RecordingCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
fDL->drawRect(rect, paint);
}
void RecordingCanvas::onDrawRegion(const SkRegion& region, const SkPaint& paint) {
fDL->drawRegion(region, paint);
}
void RecordingCanvas::onDrawOval(const SkRect& oval, const SkPaint& paint) {
fDL->drawOval(oval, paint);
}
void RecordingCanvas::onDrawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle,
bool useCenter, const SkPaint& paint) {
fDL->drawArc(oval, startAngle, sweepAngle, useCenter, paint);
}
void RecordingCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
fDL->drawRRect(rrect, paint);
}
void RecordingCanvas::onDrawDRRect(const SkRRect& out, const SkRRect& in, const SkPaint& paint) {
fDL->drawDRRect(out, in, paint);
}
void RecordingCanvas::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) {
fDL->drawDrawable(drawable, matrix);
}
void RecordingCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
fDL->drawPicture(picture, matrix, paint);
}
void RecordingCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* val) {
fDL->drawAnnotation(rect, key, val);
}
void RecordingCanvas::onDrawText(const void* text, size_t bytes, SkScalar x, SkScalar y,
const SkPaint& paint) {
fDL->drawText(text, bytes, x, y, paint);
}
void RecordingCanvas::onDrawPosText(const void* text, size_t bytes, const SkPoint pos[],
const SkPaint& paint) {
fDL->drawPosText(text, bytes, pos, paint);
}
void RecordingCanvas::onDrawPosTextH(const void* text, size_t bytes, const SkScalar xs[],
SkScalar y, const SkPaint& paint) {
fDL->drawPosTextH(text, bytes, xs, y, paint);
}
void RecordingCanvas::onDrawTextRSXform(const void* text, size_t bytes, const SkRSXform xform[],
const SkRect* cull, const SkPaint& paint) {
fDL->drawTextRSXform(text, bytes, xform, cull, paint);
}
void RecordingCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
fDL->drawTextBlob(blob, x, y, paint);
}
void RecordingCanvas::onDrawBitmap(const SkBitmap& bm, SkScalar x, SkScalar y,
const SkPaint* paint) {
fDL->drawImage(SkImage::MakeFromBitmap(bm), x, y, paint);
}
void RecordingCanvas::onDrawBitmapNine(const SkBitmap& bm, const SkIRect& center, const SkRect& dst,
const SkPaint* paint) {
fDL->drawImageNine(SkImage::MakeFromBitmap(bm), center, dst, paint);
}
void RecordingCanvas::onDrawBitmapRect(const SkBitmap& bm, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SrcRectConstraint constraint) {
fDL->drawImageRect(SkImage::MakeFromBitmap(bm), src, dst, paint, constraint);
}
void RecordingCanvas::onDrawBitmapLattice(const SkBitmap& bm, const SkCanvas::Lattice& lattice,
const SkRect& dst, const SkPaint* paint) {
fDL->drawImageLattice(SkImage::MakeFromBitmap(bm), lattice, dst, paint);
}
void RecordingCanvas::onDrawImage(const SkImage* img, SkScalar x, SkScalar y,
const SkPaint* paint) {
fDL->drawImage(sk_ref_sp(img), x, y, paint);
}
void RecordingCanvas::onDrawImageNine(const SkImage* img, const SkIRect& center, const SkRect& dst,
const SkPaint* paint) {
fDL->drawImageNine(sk_ref_sp(img), center, dst, paint);
}
void RecordingCanvas::onDrawImageRect(const SkImage* img, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SrcRectConstraint constraint) {
fDL->drawImageRect(sk_ref_sp(img), src, dst, paint, constraint);
}
void RecordingCanvas::onDrawImageLattice(const SkImage* img, const SkCanvas::Lattice& lattice,
const SkRect& dst, const SkPaint* paint) {
fDL->drawImageLattice(sk_ref_sp(img), lattice, dst, paint);
}
void RecordingCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkBlendMode bmode,
const SkPaint& paint) {
fDL->drawPatch(cubics, colors, texCoords, bmode, paint);
}
void RecordingCanvas::onDrawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint pts[],
const SkPaint& paint) {
fDL->drawPoints(mode, count, pts, paint);
}
void RecordingCanvas::onDrawVerticesObject(const SkVertices* vertices,
const SkVertices::Bone bones[], int boneCount,
SkBlendMode mode, const SkPaint& paint) {
fDL->drawVertices(vertices, bones, boneCount, mode, paint);
}
void RecordingCanvas::onDrawAtlas(const SkImage* atlas, const SkRSXform xforms[],
const SkRect texs[], const SkColor colors[], int count,
SkBlendMode bmode, const SkRect* cull, const SkPaint* paint) {
fDL->drawAtlas(atlas, xforms, texs, colors, count, bmode, cull, paint);
}
void RecordingCanvas::onDrawShadowRec(const SkPath& path, const SkDrawShadowRec& rec) {
fDL->drawShadowRec(path, rec);
}
}; // namespace uirenderer
}; // namespace android