10 #include "impeller/entity/porter_duff_blend.vert.h"
11 #include "impeller/entity/texture_fill.vert.h"
20 const flutter::DlColor* colors,
24 std::optional<Rect> cull_rect)
32 cull_rect_(cull_rect) {}
45 if (cull_rect_.has_value()) {
46 return cull_rect_.value();
49 for (
size_t i = 0; i < count_; i++) {
50 auto bounds = xform_[i].
GetBounds(tex_[i].GetSize());
53 cull_rect_ = bounding_box;
71 using VS = TextureFillVertexShader;
72 constexpr
size_t indices[6] = {0, 1, 2, 1, 2, 3};
75 sizeof(VS::PerVertexData) * count_ * 6,
alignof(VS::PerVertexData),
76 [&](uint8_t* raw_data) {
77 VS::PerVertexData*
data =
78 reinterpret_cast<VS::PerVertexData*
>(raw_data);
80 ISize texture_size = atlas_->GetSize();
81 for (
auto i = 0u; i < count_; i++) {
83 auto points = sample_rect.GetPoints();
84 auto transformed_points = xform_[i].
GetQuad(sample_rect.GetSize());
85 for (
size_t j = 0; j < 6; j++) {
86 data[offset].position = transformed_points[indices[j]];
87 data[offset].texture_coords =
points[indices[j]] / texture_size;
96 .vertex_count = count_ * 6,
103 using VS = PorterDuffBlendVertexShader;
104 constexpr
size_t indices[6] = {0, 1, 2, 1, 2, 3};
107 sizeof(VS::PerVertexData) * count_ * 6,
alignof(VS::PerVertexData),
108 [&](uint8_t* raw_data) {
109 VS::PerVertexData*
data =
110 reinterpret_cast<VS::PerVertexData*
>(raw_data);
112 ISize texture_size = atlas_->GetSize();
113 for (
auto i = 0u; i < count_; i++) {
115 auto points = sample_rect.GetPoints();
116 auto transformed_points = xform_[i].
GetQuad(sample_rect.GetSize());
117 for (
size_t j = 0; j < 6; j++) {
118 data[offset].vertices = transformed_points[indices[j]];
119 data[offset].texture_coords =
points[indices[j]] / texture_size;
130 .vertex_count = count_ * 6,
const std::shared_ptr< Texture > & GetAtlas() const override
BlendMode GetBlendMode() const override
VertexBuffer CreateBlendVertexBuffer(HostBuffer &host_buffer) const override
const SamplerDescriptor & GetSamplerDescriptor() const override
DlAtlasGeometry(const std::shared_ptr< Texture > &atlas, const RSTransform *xform, const flutter::DlRect *tex, const flutter::DlColor *colors, size_t count, BlendMode mode, const SamplerDescriptor &sampling, std::optional< Rect > cull_rect)
bool ShouldUseBlend() const override
Whether the blend shader should be used.
bool ShouldSkip() const override
Rect ComputeBoundingBox() const override
VertexBuffer CreateSimpleVertexBuffer(HostBuffer &host_buffer) const override
BufferView Emplace(const BufferType &buffer, size_t alignment=0)
Emplace non-uniform data (like contiguous vertices) onto the host buffer.
Color ToColor(const flutter::DlColor &color)
@ kNone
Does not use the index buffer.
LinePipeline::VertexShader VS
constexpr Color Premultiply() const
constexpr TRect Union(const TRect &o) const
std::vector< Point > points
std::shared_ptr< const fml::Mapping > data