| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "flutter/display_list/display_list_builder.h" |
| |
| #include "flutter/display_list/display_list_ops.h" |
| |
| namespace flutter { |
| |
| #define DL_BUILDER_PAGE 4096 |
| |
| // CopyV(dst, src,n, src,n, ...) copies any number of typed srcs into dst. |
| static void CopyV(void* dst) {} |
| |
| template <typename S, typename... Rest> |
| static void CopyV(void* dst, const S* src, int n, Rest&&... rest) { |
| FML_DCHECK(((uintptr_t)dst & (alignof(S) - 1)) == 0) |
| << "Expected " << dst << " to be aligned for at least " << alignof(S) |
| << " bytes."; |
| sk_careful_memcpy(dst, src, n * sizeof(S)); |
| CopyV(SkTAddOffset<void>(dst, n * sizeof(S)), std::forward<Rest>(rest)...); |
| } |
| |
| template <typename T, typename... Args> |
| void* DisplayListBuilder::Push(size_t pod, int op_inc, Args&&... args) { |
| size_t size = SkAlignPtr(sizeof(T) + pod); |
| FML_DCHECK(size < (1 << 24)); |
| if (used_ + size > allocated_) { |
| static_assert(SkIsPow2(DL_BUILDER_PAGE), |
| "This math needs updating for non-pow2."); |
| // Next greater multiple of DL_BUILDER_PAGE. |
| allocated_ = (used_ + size + DL_BUILDER_PAGE) & ~(DL_BUILDER_PAGE - 1); |
| storage_.realloc(allocated_); |
| FML_DCHECK(storage_.get()); |
| memset(storage_.get() + used_, 0, allocated_ - used_); |
| } |
| FML_DCHECK(used_ + size <= allocated_); |
| auto op = reinterpret_cast<T*>(storage_.get() + used_); |
| used_ += size; |
| new (op) T{std::forward<Args>(args)...}; |
| op->type = T::kType; |
| op->size = size; |
| op_count_ += op_inc; |
| return op + 1; |
| } |
| |
| sk_sp<DisplayList> DisplayListBuilder::Build() { |
| while (layer_stack_.size() > 1) { |
| restore(); |
| } |
| size_t bytes = used_; |
| int count = op_count_; |
| size_t nested_bytes = nested_bytes_; |
| int nested_count = nested_op_count_; |
| used_ = allocated_ = op_count_ = 0; |
| nested_bytes_ = nested_op_count_ = 0; |
| storage_.realloc(bytes); |
| bool compatible = layer_stack_.back().is_group_opacity_compatible(); |
| return sk_sp<DisplayList>(new DisplayList(storage_.release(), bytes, count, |
| nested_bytes, nested_count, |
| cull_rect_, compatible)); |
| } |
| |
| DisplayListBuilder::DisplayListBuilder(const SkRect& cull_rect) |
| : cull_rect_(cull_rect) { |
| layer_stack_.emplace_back(); |
| current_layer_ = &layer_stack_.back(); |
| } |
| |
| DisplayListBuilder::~DisplayListBuilder() { |
| uint8_t* ptr = storage_.get(); |
| if (ptr) { |
| DisplayList::DisposeOps(ptr, ptr + used_); |
| } |
| } |
| |
| void DisplayListBuilder::onSetAntiAlias(bool aa) { |
| Push<SetAntiAliasOp>(0, 0, current_anti_alias_ = aa); |
| } |
| void DisplayListBuilder::onSetDither(bool dither) { |
| Push<SetDitherOp>(0, 0, current_dither_ = dither); |
| } |
| void DisplayListBuilder::onSetInvertColors(bool invert) { |
| Push<SetInvertColorsOp>(0, 0, current_invert_colors_ = invert); |
| UpdateCurrentOpacityCompatibility(); |
| } |
| void DisplayListBuilder::onSetStrokeCap(SkPaint::Cap cap) { |
| Push<SetStrokeCapOp>(0, 0, current_stroke_cap_ = cap); |
| } |
| void DisplayListBuilder::onSetStrokeJoin(SkPaint::Join join) { |
| Push<SetStrokeJoinOp>(0, 0, current_stroke_join_ = join); |
| } |
| void DisplayListBuilder::onSetStyle(SkPaint::Style style) { |
| Push<SetStyleOp>(0, 0, current_style_ = style); |
| } |
| void DisplayListBuilder::onSetStrokeWidth(SkScalar width) { |
| Push<SetStrokeWidthOp>(0, 0, current_stroke_width_ = width); |
| } |
| void DisplayListBuilder::onSetStrokeMiter(SkScalar limit) { |
| Push<SetStrokeMiterOp>(0, 0, current_stroke_miter_ = limit); |
| } |
| void DisplayListBuilder::onSetColor(SkColor color) { |
| Push<SetColorOp>(0, 0, current_color_ = color); |
| } |
| void DisplayListBuilder::onSetBlendMode(SkBlendMode mode) { |
| current_blender_ = nullptr; |
| Push<SetBlendModeOp>(0, 0, current_blend_mode_ = mode); |
| UpdateCurrentOpacityCompatibility(); |
| } |
| void DisplayListBuilder::onSetBlender(sk_sp<SkBlender> blender) { |
| // setBlender(nullptr) should be redirected to setBlendMode(SrcOver) |
| // by the set method, if not then the following is inefficient but works |
| FML_DCHECK(blender); |
| SkPaint p; |
| p.setBlender(blender); |
| if (p.asBlendMode()) { |
| setBlendMode(p.asBlendMode().value()); |
| } else { |
| // |current_blender_| supersedes any value of |current_blend_mode_| |
| (current_blender_ = blender) // |
| ? Push<SetBlenderOp>(0, 0, std::move(blender)) |
| : Push<ClearBlenderOp>(0, 0); |
| UpdateCurrentOpacityCompatibility(); |
| } |
| } |
| void DisplayListBuilder::onSetShader(sk_sp<SkShader> shader) { |
| (current_shader_ = shader) // |
| ? Push<SetShaderOp>(0, 0, std::move(shader)) |
| : Push<ClearShaderOp>(0, 0); |
| } |
| void DisplayListBuilder::onSetImageFilter(sk_sp<SkImageFilter> filter) { |
| (current_image_filter_ = filter) // |
| ? Push<SetImageFilterOp>(0, 0, std::move(filter)) |
| : Push<ClearImageFilterOp>(0, 0); |
| } |
| void DisplayListBuilder::onSetColorFilter(const DlColorFilter* filter) { |
| if (filter == nullptr) { |
| current_color_filter_ = nullptr; |
| Push<ClearColorFilterOp>(0, 0); |
| } else { |
| current_color_filter_ = filter->shared(); |
| switch (filter->type()) { |
| case DlColorFilterType::kBlend: { |
| const DlBlendColorFilter* blend_filter = filter->asBlend(); |
| FML_DCHECK(blend_filter); |
| void* pod = Push<SetColorFilterOp>(blend_filter->size(), 0); |
| new (pod) DlBlendColorFilter(blend_filter); |
| break; |
| } |
| case DlColorFilterType::kMatrix: { |
| const DlMatrixColorFilter* matrix_filter = filter->asMatrix(); |
| FML_DCHECK(matrix_filter); |
| void* pod = Push<SetColorFilterOp>(matrix_filter->size(), 0); |
| new (pod) DlMatrixColorFilter(matrix_filter); |
| break; |
| } |
| case DlColorFilterType::kSrgbToLinearGamma: { |
| void* pod = Push<SetColorFilterOp>(filter->size(), 0); |
| new (pod) DlSrgbToLinearGammaColorFilter(); |
| break; |
| } |
| case DlColorFilterType::kLinearToSrgbGamma: { |
| void* pod = Push<SetColorFilterOp>(filter->size(), 0); |
| new (pod) DlLinearToSrgbGammaColorFilter(); |
| break; |
| } |
| case DlColorFilterType::kUnknown: { |
| Push<SetSkColorFilterOp>(0, 0, filter->skia_object()); |
| break; |
| } |
| } |
| } |
| UpdateCurrentOpacityCompatibility(); |
| } |
| void DisplayListBuilder::onSetPathEffect(sk_sp<SkPathEffect> effect) { |
| (current_path_effect_ = effect) // |
| ? Push<SetPathEffectOp>(0, 0, std::move(effect)) |
| : Push<ClearPathEffectOp>(0, 0); |
| } |
| void DisplayListBuilder::onSetMaskFilter(const DlMaskFilter* filter) { |
| if (filter == nullptr) { |
| current_mask_filter_ = nullptr; |
| Push<ClearMaskFilterOp>(0, 0); |
| } else { |
| current_mask_filter_ = filter->shared(); |
| switch (filter->type()) { |
| case DlMaskFilterType::kBlur: { |
| const DlBlurMaskFilter* blur_filter = filter->asBlur(); |
| FML_DCHECK(blur_filter); |
| void* pod = Push<SetMaskFilterOp>(blur_filter->size(), 0); |
| new (pod) DlBlurMaskFilter(blur_filter); |
| break; |
| } |
| case DlMaskFilterType::kUnknown: |
| Push<SetSkMaskFilterOp>(0, 0, filter->skia_object()); |
| break; |
| } |
| } |
| } |
| |
| void DisplayListBuilder::setAttributesFromPaint( |
| const SkPaint& paint, |
| const DisplayListAttributeFlags flags) { |
| if (flags.applies_anti_alias()) { |
| setAntiAlias(paint.isAntiAlias()); |
| } |
| if (flags.applies_dither()) { |
| setDither(paint.isDither()); |
| } |
| if (flags.applies_alpha_or_color()) { |
| setColor(paint.getColor()); |
| } |
| if (flags.applies_blend()) { |
| std::optional<SkBlendMode> mode_optional = paint.asBlendMode(); |
| if (mode_optional) { |
| setBlendMode(mode_optional.value()); |
| } else { |
| setBlender(sk_ref_sp(paint.getBlender())); |
| } |
| } |
| if (flags.applies_style()) { |
| setStyle(paint.getStyle()); |
| } |
| if (flags.is_stroked(paint.getStyle())) { |
| setStrokeWidth(paint.getStrokeWidth()); |
| setStrokeMiter(paint.getStrokeMiter()); |
| setStrokeCap(paint.getStrokeCap()); |
| setStrokeJoin(paint.getStrokeJoin()); |
| } |
| if (flags.applies_shader()) { |
| setShader(sk_ref_sp(paint.getShader())); |
| } |
| if (flags.applies_color_filter()) { |
| // invert colors is a Flutter::Paint thing, not an SkPaint thing |
| // we must clear it because it is a second potential color filter |
| // that is composed with the paint's color filter. |
| setInvertColors(false); |
| SkColorFilter* color_filter = paint.getColorFilter(); |
| setColorFilter(DlColorFilter::From(color_filter).get()); |
| } |
| if (flags.applies_image_filter()) { |
| setImageFilter(sk_ref_sp(paint.getImageFilter())); |
| } |
| if (flags.applies_path_effect()) { |
| setPathEffect(sk_ref_sp(paint.getPathEffect())); |
| } |
| if (flags.applies_mask_filter()) { |
| SkMaskFilter* mask_filter = paint.getMaskFilter(); |
| setMaskFilter(DlMaskFilter::From(mask_filter).get()); |
| } |
| } |
| |
| void DisplayListBuilder::save() { |
| Push<SaveOp>(0, 1); |
| layer_stack_.emplace_back(); |
| current_layer_ = &layer_stack_.back(); |
| } |
| void DisplayListBuilder::restore() { |
| if (layer_stack_.size() > 1) { |
| // Grab the current layer info before we push the restore |
| // on the stack. |
| LayerInfo layer_info = layer_stack_.back(); |
| layer_stack_.pop_back(); |
| current_layer_ = &layer_stack_.back(); |
| Push<RestoreOp>(0, 1); |
| if (layer_info.has_layer) { |
| if (layer_info.is_group_opacity_compatible()) { |
| // We are now going to go back and modify the matching saveLayer |
| // call to add the option indicating it can distribute an opacity |
| // value to its children. |
| // |
| // Note that this operation cannot and does not change the size |
| // or structure of the SaveLayerOp record. It only sets an option |
| // flag on an existing field. |
| // |
| // Note that these kinds of modification operations on data already |
| // in the DisplayList are only allowed *during* the build phase. |
| // Once built, the DisplayList records must remain read only to |
| // ensure consistency of rendering and |Equals()| behavior. |
| SaveLayerOp* op = reinterpret_cast<SaveLayerOp*>( |
| storage_.get() + layer_info.save_layer_offset); |
| op->options = op->options.with_can_distribute_opacity(); |
| } |
| } else { |
| // For regular save() ops there was no protecting layer so we have to |
| // accumulate the values into the enclosing layer. |
| if (layer_info.cannot_inherit_opacity) { |
| current_layer_->mark_incompatible(); |
| } else if (layer_info.has_compatible_op) { |
| current_layer_->add_compatible_op(); |
| } |
| } |
| } |
| } |
| void DisplayListBuilder::saveLayer(const SkRect* bounds, |
| const SaveLayerOptions in_options) { |
| SaveLayerOptions options = in_options.without_optimizations(); |
| size_t save_layer_offset = used_; |
| bounds // |
| ? Push<SaveLayerBoundsOp>(0, 1, *bounds, options) |
| : Push<SaveLayerOp>(0, 1, options); |
| CheckLayerOpacityCompatibility(options.renders_with_attributes()); |
| layer_stack_.emplace_back(save_layer_offset, true); |
| current_layer_ = &layer_stack_.back(); |
| if (options.renders_with_attributes()) { |
| // |current_opacity_compatibility_| does not take an ImageFilter into |
| // account because an individual primitive with an ImageFilter can apply |
| // opacity on top of it. But, if the layer is applying the ImageFilter |
| // then it cannot pass the opacity on. |
| if (!current_opacity_compatibility_ || current_image_filter_ != nullptr) { |
| UpdateLayerOpacityCompatibility(false); |
| } |
| } |
| } |
| |
| void DisplayListBuilder::translate(SkScalar tx, SkScalar ty) { |
| if (SkScalarIsFinite(tx) && SkScalarIsFinite(ty) && |
| (tx != 0.0 || ty != 0.0)) { |
| Push<TranslateOp>(0, 1, tx, ty); |
| } |
| } |
| void DisplayListBuilder::scale(SkScalar sx, SkScalar sy) { |
| if (SkScalarIsFinite(sx) && SkScalarIsFinite(sy) && |
| (sx != 1.0 || sy != 1.0)) { |
| Push<ScaleOp>(0, 1, sx, sy); |
| } |
| } |
| void DisplayListBuilder::rotate(SkScalar degrees) { |
| if (SkScalarMod(degrees, 360.0) != 0.0) { |
| Push<RotateOp>(0, 1, degrees); |
| } |
| } |
| void DisplayListBuilder::skew(SkScalar sx, SkScalar sy) { |
| if (SkScalarIsFinite(sx) && SkScalarIsFinite(sy) && |
| (sx != 0.0 || sy != 0.0)) { |
| Push<SkewOp>(0, 1, sx, sy); |
| } |
| } |
| |
| // clang-format off |
| |
| // 2x3 2D affine subset of a 4x4 transform in row major order |
| void DisplayListBuilder::transform2DAffine( |
| SkScalar mxx, SkScalar mxy, SkScalar mxt, |
| SkScalar myx, SkScalar myy, SkScalar myt) { |
| if (SkScalarsAreFinite(mxx, myx) && |
| SkScalarsAreFinite(mxy, myy) && |
| SkScalarsAreFinite(mxt, myt) && |
| !(mxx == 1 && mxy == 0 && mxt == 0 && |
| myx == 0 && myy == 1 && myt == 0)) { |
| Push<Transform2DAffineOp>(0, 1, |
| mxx, mxy, mxt, |
| myx, myy, myt); |
| } |
| } |
| // full 4x4 transform in row major order |
| void DisplayListBuilder::transformFullPerspective( |
| SkScalar mxx, SkScalar mxy, SkScalar mxz, SkScalar mxt, |
| SkScalar myx, SkScalar myy, SkScalar myz, SkScalar myt, |
| SkScalar mzx, SkScalar mzy, SkScalar mzz, SkScalar mzt, |
| SkScalar mwx, SkScalar mwy, SkScalar mwz, SkScalar mwt) { |
| if ( mxz == 0 && |
| myz == 0 && |
| mzx == 0 && mzy == 0 && mzz == 1 && mzt == 0 && |
| mwx == 0 && mwy == 0 && mwz == 0 && mwt == 1) { |
| transform2DAffine(mxx, mxy, mxt, |
| myx, myy, myt); |
| } else if (SkScalarsAreFinite(mxx, mxy) && SkScalarsAreFinite(mxz, mxt) && |
| SkScalarsAreFinite(myx, myy) && SkScalarsAreFinite(myz, myt) && |
| SkScalarsAreFinite(mzx, mzy) && SkScalarsAreFinite(mzz, mzt) && |
| SkScalarsAreFinite(mwx, mwy) && SkScalarsAreFinite(mwz, mwt)) { |
| Push<TransformFullPerspectiveOp>(0, 1, |
| mxx, mxy, mxz, mxt, |
| myx, myy, myz, myt, |
| mzx, mzy, mzz, mzt, |
| mwx, mwy, mwz, mwt); |
| } |
| } |
| |
| // clang-format on |
| |
| void DisplayListBuilder::clipRect(const SkRect& rect, |
| SkClipOp clip_op, |
| bool is_aa) { |
| clip_op == SkClipOp::kIntersect // |
| ? Push<ClipIntersectRectOp>(0, 1, rect, is_aa) |
| : Push<ClipDifferenceRectOp>(0, 1, rect, is_aa); |
| } |
| void DisplayListBuilder::clipRRect(const SkRRect& rrect, |
| SkClipOp clip_op, |
| bool is_aa) { |
| if (rrect.isRect()) { |
| clipRect(rrect.rect(), clip_op, is_aa); |
| } else { |
| clip_op == SkClipOp::kIntersect // |
| ? Push<ClipIntersectRRectOp>(0, 1, rrect, is_aa) |
| : Push<ClipDifferenceRRectOp>(0, 1, rrect, is_aa); |
| } |
| } |
| void DisplayListBuilder::clipPath(const SkPath& path, |
| SkClipOp clip_op, |
| bool is_aa) { |
| if (!path.isInverseFillType()) { |
| SkRect rect; |
| if (path.isRect(&rect)) { |
| this->clipRect(rect, clip_op, is_aa); |
| return; |
| } |
| SkRRect rrect; |
| if (path.isOval(&rect)) { |
| rrect.setOval(rect); |
| this->clipRRect(rrect, clip_op, is_aa); |
| return; |
| } |
| if (path.isRRect(&rrect)) { |
| this->clipRRect(rrect, clip_op, is_aa); |
| return; |
| } |
| } |
| clip_op == SkClipOp::kIntersect // |
| ? Push<ClipIntersectPathOp>(0, 1, path, is_aa) |
| : Push<ClipDifferencePathOp>(0, 1, path, is_aa); |
| } |
| |
| void DisplayListBuilder::drawPaint() { |
| Push<DrawPaintOp>(0, 1); |
| CheckLayerOpacityCompatibility(); |
| } |
| void DisplayListBuilder::drawColor(SkColor color, SkBlendMode mode) { |
| Push<DrawColorOp>(0, 1, color, mode); |
| CheckLayerOpacityCompatibility(mode); |
| } |
| void DisplayListBuilder::drawLine(const SkPoint& p0, const SkPoint& p1) { |
| Push<DrawLineOp>(0, 1, p0, p1); |
| CheckLayerOpacityCompatibility(); |
| } |
| void DisplayListBuilder::drawRect(const SkRect& rect) { |
| Push<DrawRectOp>(0, 1, rect); |
| CheckLayerOpacityCompatibility(); |
| } |
| void DisplayListBuilder::drawOval(const SkRect& bounds) { |
| Push<DrawOvalOp>(0, 1, bounds); |
| CheckLayerOpacityCompatibility(); |
| } |
| void DisplayListBuilder::drawCircle(const SkPoint& center, SkScalar radius) { |
| Push<DrawCircleOp>(0, 1, center, radius); |
| CheckLayerOpacityCompatibility(); |
| } |
| void DisplayListBuilder::drawRRect(const SkRRect& rrect) { |
| if (rrect.isRect()) { |
| drawRect(rrect.rect()); |
| } else if (rrect.isOval()) { |
| drawOval(rrect.rect()); |
| } else { |
| Push<DrawRRectOp>(0, 1, rrect); |
| CheckLayerOpacityCompatibility(); |
| } |
| } |
| void DisplayListBuilder::drawDRRect(const SkRRect& outer, |
| const SkRRect& inner) { |
| Push<DrawDRRectOp>(0, 1, outer, inner); |
| CheckLayerOpacityCompatibility(); |
| } |
| void DisplayListBuilder::drawPath(const SkPath& path) { |
| Push<DrawPathOp>(0, 1, path); |
| CheckLayerOpacityHairlineCompatibility(); |
| } |
| |
| void DisplayListBuilder::drawArc(const SkRect& bounds, |
| SkScalar start, |
| SkScalar sweep, |
| bool useCenter) { |
| Push<DrawArcOp>(0, 1, bounds, start, sweep, useCenter); |
| if (useCenter) { |
| CheckLayerOpacityHairlineCompatibility(); |
| } else { |
| CheckLayerOpacityCompatibility(); |
| } |
| } |
| void DisplayListBuilder::drawPoints(SkCanvas::PointMode mode, |
| uint32_t count, |
| const SkPoint pts[]) { |
| void* data_ptr; |
| FML_DCHECK(count < kMaxDrawPointsCount); |
| int bytes = count * sizeof(SkPoint); |
| switch (mode) { |
| case SkCanvas::PointMode::kPoints_PointMode: |
| data_ptr = Push<DrawPointsOp>(bytes, 1, count); |
| break; |
| case SkCanvas::PointMode::kLines_PointMode: |
| data_ptr = Push<DrawLinesOp>(bytes, 1, count); |
| break; |
| case SkCanvas::PointMode::kPolygon_PointMode: |
| data_ptr = Push<DrawPolygonOp>(bytes, 1, count); |
| break; |
| default: |
| FML_DCHECK(false); |
| return; |
| } |
| CopyV(data_ptr, pts, count); |
| // drawPoints treats every point or line (or segment of a polygon) |
| // as a completely separate operation meaning we cannot ensure |
| // distribution of group opacity without analyzing the mode and the |
| // bounds of every sub-primitive. |
| // See: https://fiddle.skia.org/c/228459001d2de8db117ce25ef5cedb0c |
| UpdateLayerOpacityCompatibility(false); |
| } |
| void DisplayListBuilder::drawVertices(const sk_sp<SkVertices> vertices, |
| SkBlendMode mode) { |
| Push<DrawVerticesOp>(0, 1, std::move(vertices), mode); |
| // DrawVertices applies its colors to the paint so we have no way |
| // of controlling opacity using the current paint attributes. |
| // Although, examination of the |mode| might find some predictable |
| // cases. |
| UpdateLayerOpacityCompatibility(false); |
| } |
| |
| void DisplayListBuilder::drawImage(const sk_sp<SkImage> image, |
| const SkPoint point, |
| const SkSamplingOptions& sampling, |
| bool render_with_attributes) { |
| render_with_attributes |
| ? Push<DrawImageWithAttrOp>(0, 1, std::move(image), point, sampling) |
| : Push<DrawImageOp>(0, 1, std::move(image), point, sampling); |
| CheckLayerOpacityCompatibility(render_with_attributes); |
| } |
| void DisplayListBuilder::drawImageRect(const sk_sp<SkImage> image, |
| const SkRect& src, |
| const SkRect& dst, |
| const SkSamplingOptions& sampling, |
| bool render_with_attributes, |
| SkCanvas::SrcRectConstraint constraint) { |
| Push<DrawImageRectOp>(0, 1, std::move(image), src, dst, sampling, |
| render_with_attributes, constraint); |
| CheckLayerOpacityCompatibility(render_with_attributes); |
| } |
| void DisplayListBuilder::drawImageNine(const sk_sp<SkImage> image, |
| const SkIRect& center, |
| const SkRect& dst, |
| SkFilterMode filter, |
| bool render_with_attributes) { |
| render_with_attributes |
| ? Push<DrawImageNineWithAttrOp>(0, 1, std::move(image), center, dst, |
| filter) |
| : Push<DrawImageNineOp>(0, 1, std::move(image), center, dst, filter); |
| CheckLayerOpacityCompatibility(render_with_attributes); |
| } |
| void DisplayListBuilder::drawImageLattice(const sk_sp<SkImage> image, |
| const SkCanvas::Lattice& lattice, |
| const SkRect& dst, |
| SkFilterMode filter, |
| bool render_with_attributes) { |
| int xDivCount = lattice.fXCount; |
| int yDivCount = lattice.fYCount; |
| FML_DCHECK((lattice.fRectTypes == nullptr) || (lattice.fColors != nullptr)); |
| int cellCount = lattice.fRectTypes && lattice.fColors |
| ? (xDivCount + 1) * (yDivCount + 1) |
| : 0; |
| size_t bytes = |
| (xDivCount + yDivCount) * sizeof(int) + |
| cellCount * (sizeof(SkColor) + sizeof(SkCanvas::Lattice::RectType)); |
| SkIRect src = lattice.fBounds ? *lattice.fBounds : image->bounds(); |
| void* pod = this->Push<DrawImageLatticeOp>( |
| bytes, 1, std::move(image), xDivCount, yDivCount, cellCount, src, dst, |
| filter, render_with_attributes); |
| CopyV(pod, lattice.fXDivs, xDivCount, lattice.fYDivs, yDivCount, |
| lattice.fColors, cellCount, lattice.fRectTypes, cellCount); |
| CheckLayerOpacityCompatibility(render_with_attributes); |
| } |
| void DisplayListBuilder::drawAtlas(const sk_sp<SkImage> atlas, |
| const SkRSXform xform[], |
| const SkRect tex[], |
| const SkColor colors[], |
| int count, |
| SkBlendMode mode, |
| const SkSamplingOptions& sampling, |
| const SkRect* cull_rect, |
| bool render_with_attributes) { |
| int bytes = count * (sizeof(SkRSXform) + sizeof(SkRect)); |
| void* data_ptr; |
| if (colors != nullptr) { |
| bytes += count * sizeof(SkColor); |
| if (cull_rect != nullptr) { |
| data_ptr = Push<DrawAtlasCulledOp>(bytes, 1, std::move(atlas), count, |
| mode, sampling, true, *cull_rect, |
| render_with_attributes); |
| } else { |
| data_ptr = Push<DrawAtlasOp>(bytes, 1, std::move(atlas), count, mode, |
| sampling, true, render_with_attributes); |
| } |
| CopyV(data_ptr, xform, count, tex, count, colors, count); |
| } else { |
| if (cull_rect != nullptr) { |
| data_ptr = Push<DrawAtlasCulledOp>(bytes, 1, std::move(atlas), count, |
| mode, sampling, false, *cull_rect, |
| render_with_attributes); |
| } else { |
| data_ptr = Push<DrawAtlasOp>(bytes, 1, std::move(atlas), count, mode, |
| sampling, false, render_with_attributes); |
| } |
| CopyV(data_ptr, xform, count, tex, count); |
| } |
| // drawAtlas treats each image as a separate operation so we cannot rely |
| // on it to distribute the opacity without overlap without checking all |
| // of the transforms and texture rectangles. |
| UpdateLayerOpacityCompatibility(false); |
| } |
| |
| void DisplayListBuilder::drawPicture(const sk_sp<SkPicture> picture, |
| const SkMatrix* matrix, |
| bool render_with_attributes) { |
| matrix // |
| ? Push<DrawSkPictureMatrixOp>(0, 1, std::move(picture), *matrix, |
| render_with_attributes) |
| : Push<DrawSkPictureOp>(0, 1, std::move(picture), render_with_attributes); |
| // The non-nested op count accumulated in the |Push| method will include |
| // this call to |drawPicture| for non-nested op count metrics. |
| // But, for nested op count metrics we want the |drawPicture| call itself |
| // to be transparent. So we subtract 1 from our accumulated nested count to |
| // balance out against the 1 that was accumulated into the regular count. |
| // This behavior is identical to the way SkPicture computes nested op counts. |
| nested_op_count_ += picture->approximateOpCount(true) - 1; |
| nested_bytes_ += picture->approximateBytesUsed(); |
| CheckLayerOpacityCompatibility(render_with_attributes); |
| } |
| void DisplayListBuilder::drawDisplayList( |
| const sk_sp<DisplayList> display_list) { |
| Push<DrawDisplayListOp>(0, 1, std::move(display_list)); |
| // The non-nested op count accumulated in the |Push| method will include |
| // this call to |drawDisplayList| for non-nested op count metrics. |
| // But, for nested op count metrics we want the |drawDisplayList| call itself |
| // to be transparent. So we subtract 1 from our accumulated nested count to |
| // balance out against the 1 that was accumulated into the regular count. |
| // This behavior is identical to the way SkPicture computes nested op counts. |
| nested_op_count_ += display_list->op_count(true) - 1; |
| nested_bytes_ += display_list->bytes(true); |
| UpdateLayerOpacityCompatibility(display_list->can_apply_group_opacity()); |
| } |
| void DisplayListBuilder::drawTextBlob(const sk_sp<SkTextBlob> blob, |
| SkScalar x, |
| SkScalar y) { |
| Push<DrawTextBlobOp>(0, 1, std::move(blob), x, y); |
| CheckLayerOpacityCompatibility(); |
| } |
| void DisplayListBuilder::drawShadow(const SkPath& path, |
| const SkColor color, |
| const SkScalar elevation, |
| bool transparent_occluder, |
| SkScalar dpr) { |
| transparent_occluder // |
| ? Push<DrawShadowTransparentOccluderOp>(0, 1, path, color, elevation, dpr) |
| : Push<DrawShadowOp>(0, 1, path, color, elevation, dpr); |
| UpdateLayerOpacityCompatibility(false); |
| } |
| |
| // clang-format off |
| // Flags common to all primitives that apply colors |
| #define PAINT_FLAGS (kUsesDither_ | \ |
| kUsesColor_ | \ |
| kUsesAlpha_ | \ |
| kUsesBlend_ | \ |
| kUsesShader_ | \ |
| kUsesColorFilter_ | \ |
| kUsesImageFilter_) |
| |
| // Flags common to all primitives that stroke or fill |
| #define STROKE_OR_FILL_FLAGS (kIsDrawnGeometry_ | \ |
| kUsesAntiAlias_ | \ |
| kUsesMaskFilter_ | \ |
| kUsesPathEffect_) |
| |
| // Flags common to primitives that stroke geometry |
| #define STROKE_FLAGS (kIsStrokedGeometry_ | \ |
| kUsesAntiAlias_ | \ |
| kUsesMaskFilter_ | \ |
| kUsesPathEffect_) |
| |
| // Flags common to primitives that render an image with paint attributes |
| #define IMAGE_FLAGS_BASE (kIsNonGeometric_ | \ |
| kUsesAlpha_ | \ |
| kUsesDither_ | \ |
| kUsesBlend_ | \ |
| kUsesColorFilter_ | \ |
| kUsesImageFilter_) |
| // clang-format on |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kSaveLayerFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kSaveLayerWithPaintFlags = |
| DisplayListAttributeFlags(kIsNonGeometric_ | // |
| kUsesAlpha_ | // |
| kUsesBlend_ | // |
| kUsesColorFilter_ | // |
| kUsesImageFilter_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawColorFlags = |
| DisplayListAttributeFlags(kFloodsSurface_ | kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawPaintFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | kFloodsSurface_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawHVLineFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_FLAGS | kMayHaveCaps_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawLineFlags = |
| kDrawHVLineFlags.with(kMayHaveDiagonalCaps_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawRectFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS | |
| kMayHaveJoins_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawOvalFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawCircleFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawRRectFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawDRRectFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawPathFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS | |
| kMayHaveCaps_ | kMayHaveDiagonalCaps_ | |
| kMayHaveJoins_ | kMayHaveAcuteJoins_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawArcNoCenterFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS | |
| kMayHaveCaps_ | kMayHaveDiagonalCaps_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawArcWithCenterFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS | |
| kMayHaveJoins_ | kMayHaveAcuteJoins_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawPointsAsPointsFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_FLAGS | // |
| kMayHaveCaps_ | kButtCapIsSquare_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawPointsAsLinesFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_FLAGS | // |
| kMayHaveCaps_ | kMayHaveDiagonalCaps_); |
| |
| // Polygon mode just draws (count-1) separate lines, no joins |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawPointsAsPolygonFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_FLAGS | // |
| kMayHaveCaps_ | kMayHaveDiagonalCaps_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawVerticesFlags = |
| DisplayListAttributeFlags(kIsNonGeometric_ | // |
| kUsesDither_ | // |
| kUsesAlpha_ | // |
| kUsesShader_ | // |
| kUsesBlend_ | // |
| kUsesColorFilter_ | // |
| kUsesImageFilter_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawImageFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawImageWithPaintFlags = |
| DisplayListAttributeFlags(IMAGE_FLAGS_BASE | // |
| kUsesAntiAlias_ | kUsesMaskFilter_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawImageRectFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags |
| DisplayListOpFlags::kDrawImageRectWithPaintFlags = |
| DisplayListAttributeFlags(IMAGE_FLAGS_BASE | // |
| kUsesAntiAlias_ | kUsesMaskFilter_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawImageNineFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags |
| DisplayListOpFlags::kDrawImageNineWithPaintFlags = |
| DisplayListAttributeFlags(IMAGE_FLAGS_BASE); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawImageLatticeFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags |
| DisplayListOpFlags::kDrawImageLatticeWithPaintFlags = |
| DisplayListAttributeFlags(IMAGE_FLAGS_BASE); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawAtlasFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawAtlasWithPaintFlags = |
| DisplayListAttributeFlags(IMAGE_FLAGS_BASE); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawPictureFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawPictureWithPaintFlags = |
| kSaveLayerWithPaintFlags; |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawDisplayListFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawTextBlobFlags = |
| DisplayListAttributeFlags(PAINT_FLAGS | STROKE_OR_FILL_FLAGS | |
| kMayHaveJoins_) |
| .without(kUsesAntiAlias_); |
| |
| const DisplayListAttributeFlags DisplayListOpFlags::kDrawShadowFlags = |
| DisplayListAttributeFlags(kIgnoresPaint_); |
| |
| #undef PAINT_FLAGS |
| #undef STROKE_OR_FILL_FLAGS |
| #undef STROKE_FLAGS |
| #undef IMAGE_FLAGS_BASE |
| |
| } // namespace flutter |
