Flutter Impeller
Public Member Functions | List of all members
impeller::CanvasDlDispatcher Class Reference

#include <dl_dispatcher.h>

Inheritance diagram for impeller::CanvasDlDispatcher:
impeller::DlDispatcherBase

Public Member Functions

 CanvasDlDispatcher (ContentContext &renderer, RenderTarget &render_target, bool has_root_backdrop_filter, flutter::DlBlendMode max_root_blend_mode, IRect cull_rect)
 
 ~CanvasDlDispatcher ()=default
 
void save () override
 
void saveLayer (const DlRect &bounds, const flutter::SaveLayerOptions options, const flutter::DlImageFilter *backdrop) override
 
void FinishRecording ()
 
void drawVertices (const std::shared_ptr< flutter::DlVertices > &vertices, flutter::DlBlendMode dl_mode) override
 
void save (uint32_t total_content_depth) override
 
void saveLayer (const DlRect &bounds, const flutter::SaveLayerOptions &options, uint32_t total_content_depth, flutter::DlBlendMode max_content_mode, const flutter::DlImageFilter *backdrop) override
 
- Public Member Functions inherited from impeller::DlDispatcherBase
void setAntiAlias (bool aa) override
 
void setDrawStyle (flutter::DlDrawStyle style) override
 
void setColor (flutter::DlColor color) override
 
void setStrokeWidth (DlScalar width) override
 
void setStrokeMiter (DlScalar limit) override
 
void setStrokeCap (flutter::DlStrokeCap cap) override
 
void setStrokeJoin (flutter::DlStrokeJoin join) override
 
void setColorSource (const flutter::DlColorSource *source) override
 
void setColorFilter (const flutter::DlColorFilter *filter) override
 
void setInvertColors (bool invert) override
 
void setBlendMode (flutter::DlBlendMode mode) override
 
void setMaskFilter (const flutter::DlMaskFilter *filter) override
 
void setImageFilter (const flutter::DlImageFilter *filter) override
 
void save (uint32_t total_content_depth) override
 
void saveLayer (const DlRect &bounds, const flutter::SaveLayerOptions &options, uint32_t total_content_depth, flutter::DlBlendMode max_content_mode, const flutter::DlImageFilter *backdrop) override
 
void restore () override
 
void translate (DlScalar tx, DlScalar ty) override
 
void scale (DlScalar sx, DlScalar sy) override
 
void rotate (DlScalar degrees) override
 
void skew (DlScalar sx, DlScalar sy) override
 
void transform2DAffine (DlScalar mxx, DlScalar mxy, DlScalar mxt, DlScalar myx, DlScalar myy, DlScalar myt) override
 
void transformFullPerspective (DlScalar mxx, DlScalar mxy, DlScalar mxz, DlScalar mxt, DlScalar myx, DlScalar myy, DlScalar myz, DlScalar myt, DlScalar mzx, DlScalar mzy, DlScalar mzz, DlScalar mzt, DlScalar mwx, DlScalar mwy, DlScalar mwz, DlScalar mwt) override
 
void transformReset () override
 
void clipRect (const DlRect &rect, ClipOp clip_op, bool is_aa) override
 
void clipOval (const DlRect &bounds, ClipOp clip_op, bool is_aa) override
 
void clipRRect (const SkRRect &rrect, ClipOp clip_op, bool is_aa) override
 
void clipPath (const DlPath &path, ClipOp clip_op, bool is_aa) override
 
void drawColor (flutter::DlColor color, flutter::DlBlendMode mode) override
 
void drawPaint () override
 
void drawLine (const DlPoint &p0, const DlPoint &p1) override
 
void drawDashedLine (const DlPoint &p0, const DlPoint &p1, DlScalar on_length, DlScalar off_length) override
 
void drawRect (const DlRect &rect) override
 
void drawOval (const DlRect &bounds) override
 
void drawCircle (const DlPoint &center, DlScalar radius) override
 
void drawRRect (const SkRRect &rrect) override
 
void drawDRRect (const SkRRect &outer, const SkRRect &inner) override
 
void drawPath (const DlPath &path) override
 
void drawArc (const DlRect &oval_bounds, DlScalar start_degrees, DlScalar sweep_degrees, bool use_center) override
 
void drawPoints (PointMode mode, uint32_t count, const DlPoint points[]) override
 
void drawVertices (const std::shared_ptr< flutter::DlVertices > &vertices, flutter::DlBlendMode dl_mode) override
 
void drawImage (const sk_sp< flutter::DlImage > image, const DlPoint &point, flutter::DlImageSampling sampling, bool render_with_attributes) override
 
void drawImageRect (const sk_sp< flutter::DlImage > image, const DlRect &src, const DlRect &dst, flutter::DlImageSampling sampling, bool render_with_attributes, SrcRectConstraint constraint) override
 
void drawImageNine (const sk_sp< flutter::DlImage > image, const DlIRect &center, const DlRect &dst, flutter::DlFilterMode filter, bool render_with_attributes) override
 
void drawAtlas (const sk_sp< flutter::DlImage > atlas, const SkRSXform xform[], const DlRect tex[], const flutter::DlColor colors[], int count, flutter::DlBlendMode mode, flutter::DlImageSampling sampling, const DlRect *cull_rect, bool render_with_attributes) override
 
void drawDisplayList (const sk_sp< flutter::DisplayList > display_list, DlScalar opacity) override
 
void drawTextBlob (const sk_sp< SkTextBlob > blob, DlScalar x, DlScalar y) override
 
void drawTextFrame (const std::shared_ptr< impeller::TextFrame > &text_frame, DlScalar x, DlScalar y) override
 
void drawShadow (const DlPath &path, const flutter::DlColor color, const DlScalar elevation, bool transparent_occluder, DlScalar dpr) override
 

Additional Inherited Members

- Static Protected Member Functions inherited from impeller::DlDispatcherBase
static void SimplifyOrDrawPath (Canvas &canvas, const DlPath &cache, const Paint &paint)
 
- Protected Attributes inherited from impeller::DlDispatcherBase
Paint paint_
 
Matrix initial_matrix_
 

Detailed Description

Definition at line 246 of file dl_dispatcher.h.

Constructor & Destructor Documentation

◆ CanvasDlDispatcher()

impeller::CanvasDlDispatcher::CanvasDlDispatcher ( ContentContext &  renderer,
RenderTarget &  render_target,
bool  has_root_backdrop_filter,
flutter::DlBlendMode  max_root_blend_mode,
IRect  cull_rect 
)

Definition at line 951 of file dl_dispatcher.cc.

956  : canvas_(renderer,
957  render_target,
958  has_root_backdrop_filter ||
959  RequiresReadbackForBlends(renderer, max_root_blend_mode),
960  cull_rect),
961  renderer_(renderer) {}

◆ ~CanvasDlDispatcher()

impeller::CanvasDlDispatcher::~CanvasDlDispatcher ( )
default

Member Function Documentation

◆ drawVertices()

void impeller::CanvasDlDispatcher::drawVertices ( const std::shared_ptr< flutter::DlVertices > &  vertices,
flutter::DlBlendMode  dl_mode 
)
override

Definition at line 967 of file dl_dispatcher.cc.

969  {
970  AUTO_DEPTH_WATCHER(1u);
971 
972  GetCanvas().DrawVertices(
973  std::make_shared<DlVerticesGeometry>(vertices, renderer_),
974  skia_conversions::ToBlendMode(dl_mode), paint_);
975 }

References AUTO_DEPTH_WATCHER, impeller::Canvas::DrawVertices(), impeller::DlDispatcherBase::paint_, and impeller::skia_conversions::ToBlendMode().

◆ FinishRecording()

void impeller::CanvasDlDispatcher::FinishRecording ( )
inline

Definition at line 274 of file dl_dispatcher.h.

274 { canvas_.EndReplay(); }

References impeller::Canvas::EndReplay().

Referenced by impeller::DisplayListToTexture(), impeller::DlPlayground::OpenPlaygroundHere(), impeller::AiksPlayground::OpenPlaygroundHere(), and impeller::RenderToOnscreen().

◆ save() [1/2]

void impeller::CanvasDlDispatcher::save ( )
inlineoverride

Definition at line 257 of file dl_dispatcher.h.

257  {
258  // This dispatcher should never be used with the save() variant
259  // that does not include the content_depth parameter.
260  FML_UNREACHABLE();
261  }

◆ save() [2/2]

void impeller::DlDispatcherBase::save
override

Definition at line 294 of file dl_dispatcher.cc.

294  {
295  AUTO_DEPTH_WATCHER(1u);
296 
297  GetCanvas().Save(total_content_depth);
298 }

◆ saveLayer() [1/2]

void impeller::DlDispatcherBase::saveLayer
override

Definition at line 301 of file dl_dispatcher.cc.

305  {
306  AUTO_DEPTH_WATCHER(1u);
307 
308  auto paint = options.renders_with_attributes() ? paint_ : Paint{};
309  auto promise = options.content_is_clipped()
310  ? ContentBoundsPromise::kMayClipContents
311  : ContentBoundsPromise::kContainsContents;
312  std::optional<Rect> impeller_bounds;
313  // If the content is unbounded but has developer specified bounds, we take
314  // the original bounds so that we clip the content as expected.
315  if (!options.content_is_unbounded() || options.bounds_from_caller()) {
316  impeller_bounds = bounds;
317  }
318 
319  GetCanvas().SaveLayer(
320  paint, impeller_bounds, backdrop, promise, total_content_depth,
321  // Unbounded content can still have user specified bounds that require a
322  // saveLayer to be created to perform the clip.
323  options.can_distribute_opacity() && !options.content_is_unbounded());
324 }

◆ saveLayer() [2/2]

void impeller::CanvasDlDispatcher::saveLayer ( const DlRect &  bounds,
const flutter::SaveLayerOptions  options,
const flutter::DlImageFilter *  backdrop 
)
inlineoverride

Definition at line 265 of file dl_dispatcher.h.

267  {
268  // This dispatcher should never be used with the saveLayer() variant
269  // that does not include the content_depth parameter.
270  FML_UNREACHABLE();
271  }
The documentation for this class was generated from the following files:
AUTO_DEPTH_WATCHER
#define AUTO_DEPTH_WATCHER(d)
Definition: dl_dispatcher.cc:110
impeller::ContentBoundsPromise::kMayClipContents
@ kMayClipContents
The caller claims the bounds are a subset of an estimate of the reasonably tight bounds but likely cl...
impeller::Canvas::SaveLayer
void SaveLayer(const Paint &paint, std::optional< Rect > bounds=std::nullopt, const flutter::DlImageFilter *backdrop_filter=nullptr, ContentBoundsPromise bounds_promise=ContentBoundsPromise::kUnknown, uint32_t total_content_depth=kMaxDepth, bool can_distribute_opacity=false)
Definition: canvas.cc:982
impeller::Canvas::DrawVertices
void DrawVertices(const std::shared_ptr< VerticesGeometry > &vertices, BlendMode blend_mode, const Paint &paint)
Definition: canvas.cc:758
impeller::skia_conversions::ToBlendMode
BlendMode ToBlendMode(flutter::DlBlendMode mode)
Definition: skia_conversions.cc:204
impeller::DlDispatcherBase::paint_
Paint paint_
Definition: dl_dispatcher.h:238
impeller::Canvas::Save
void Save(uint32_t total_content_depth=kMaxDepth)
Definition: canvas.cc:934
impeller::Canvas::EndReplay
void EndReplay()
Definition: canvas.cc:1639
impeller::ContentBoundsPromise::kContainsContents
@ kContainsContents
The caller claims the bounds are a reasonably tight estimate of the coverage of the contents and shou...
impeller::RequiresReadbackForBlends
static bool RequiresReadbackForBlends(const ContentContext &renderer, flutter::DlBlendMode max_root_blend_mode)
Subclasses.
Definition: dl_dispatcher.cc:943