| Flutter Impeller |

dl_atlas_geometry.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_IMPELLER_DISPLAY_LIST_DL_ATLAS_GEOMETRY_H_
6 #define FLUTTER_IMPELLER_DISPLAY_LIST_DL_ATLAS_GEOMETRY_H_
7
8 #include "display_list/dl_color.h"
9 #include "display_list/image/dl_image.h"
10 #include "impeller/core/sampler_descriptor.h"
11 #include "impeller/entity/contents/atlas_contents.h"
12 #include "impeller/geometry/color.h"
13 #include "include/core/SkRSXform.h"
14
15 namespace impeller {
16
17 /// @brief A wrapper around data provided by a drawAtlas call.
18 class DlAtlasGeometry : public AtlasGeometry {
19 public:
20 DlAtlasGeometry(const std::shared_ptr<Texture>& atlas,
21 const SkRSXform* xform,
22 const flutter::DlRect* tex,
23 const flutter::DlColor* colors,
24 size_t count,
25 BlendMode mode,
26 const SamplerDescriptor& sampling,
27 std::optional<Rect> cull_rect);
28
29 ~DlAtlasGeometry();
30
31 /// @brief Whether the blend shader should be used.
32 bool ShouldUseBlend() const override;
33
34 bool ShouldSkip() const override;
35
36 VertexBuffer CreateSimpleVertexBuffer(HostBuffer& host_buffer) const override;
37
38 VertexBuffer CreateBlendVertexBuffer(HostBuffer& host_buffer) const override;
39
40 Rect ComputeBoundingBox() const override;
41
42 std::shared_ptr<Texture> GetAtlas() const override;
43
44 const SamplerDescriptor& GetSamplerDescriptor() const override;
45
46 BlendMode GetBlendMode() const override;
47
48 private:
49 const std::shared_ptr<Texture> atlas_;
50 const SkRSXform* xform_;
51 const flutter::DlRect* tex_;
52 const flutter::DlColor* colors_;
53 size_t count_;
54 BlendMode mode_;
55 SamplerDescriptor sampling_;
56 mutable std::optional<Rect> cull_rect_;
57 };
58
59 } // namespace impeller
60
61 #endif // FLUTTER_IMPELLER_DISPLAY_LIST_DL_ATLAS_GEOMETRY_H_
impeller::DlAtlasGeometry::CreateSimpleVertexBuffer
VertexBuffer CreateSimpleVertexBuffer(HostBuffer &host_buffer) const override
Definition: dl_atlas_geometry.cc:72
impeller::DlAtlasGeometry::GetBlendMode
BlendMode GetBlendMode() const override
Definition: dl_atlas_geometry.cc:68
impeller::DlAtlasGeometry::CreateBlendVertexBuffer
VertexBuffer CreateBlendVertexBuffer(HostBuffer &host_buffer) const override
Definition: dl_atlas_geometry.cc:107
impeller::BlendMode
BlendMode
Definition: color.h:58
impeller::HostBuffer
Definition: host_buffer.h:28
impeller::VertexBuffer
Definition: vertex_buffer.h:13
impeller::DlAtlasGeometry
A wrapper around data provided by a drawAtlas call.
Definition: dl_atlas_geometry.h:18
impeller::SamplerDescriptor
Definition: sampler_descriptor.h:15
impeller::AtlasGeometry
Definition: atlas_contents.h:19
impeller::DlAtlasGeometry::DlAtlasGeometry
DlAtlasGeometry(const std::shared_ptr< Texture > &atlas, const SkRSXform *xform, const flutter::DlRect *tex, const flutter::DlColor *colors, size_t count, BlendMode mode, const SamplerDescriptor &sampling, std::optional< Rect > cull_rect)
Definition: dl_atlas_geometry.cc:18
impeller::DlAtlasGeometry::GetAtlas
std::shared_ptr< Texture > GetAtlas() const override
Definition: dl_atlas_geometry.cc:60
impeller::DlRect
flutter::DlRect DlRect
Definition: dl_dispatcher.h:23
impeller::DlAtlasGeometry::ComputeBoundingBox
Rect ComputeBoundingBox() const override
Definition: dl_atlas_geometry.cc:45
atlas_contents.h
sampler_descriptor.h
impeller::DlAtlasGeometry::ShouldSkip
bool ShouldSkip() const override
Definition: dl_atlas_geometry.cc:41
impeller::DlAtlasGeometry::ShouldUseBlend
bool ShouldUseBlend() const override
Whether the blend shader should be used.
Definition: dl_atlas_geometry.cc:37
color.h
impeller::DlAtlasGeometry::GetSamplerDescriptor
const SamplerDescriptor & GetSamplerDescriptor() const override
Definition: dl_atlas_geometry.cc:64
impeller::DlAtlasGeometry::~DlAtlasGeometry
~DlAtlasGeometry()
impeller
Definition: allocation.cc:12
impeller::TRect
Definition: rect.h:122