32 const Matrix& effect_transform,
34 const std::optional<Rect>& coverage_hint)
const {
46 auto input_snapshot = inputs[0]->GetSnapshot(
"ColorMatrix", renderer, entity);
47 if (!input_snapshot.has_value()) {
54 RenderProc render_proc = [input_snapshot, color_matrix = matrix_,
58 pass.SetCommandLabel(
"Color Matrix Filter");
62 pass.SetPipeline(renderer.GetColorMatrixColorFilterPipeline(
options));
64 auto size = input_snapshot->texture->GetSize();
73 auto& host_buffer = renderer.GetTransientsBuffer();
76 VS::FrameInfo frame_info;
81 frame_info.texture_sampler_y_coord_scale =
82 input_snapshot->texture->GetYCoordScale();
84 FS::FragInfo frag_info;
85 const float* matrix = color_matrix.array;
86 frag_info.color_v =
Vector4(matrix[4], matrix[9], matrix[14], matrix[19]);
88 frag_info.color_m =
Matrix(
89 matrix[0], matrix[5], matrix[10], matrix[15],
90 matrix[1], matrix[6], matrix[11], matrix[16],
91 matrix[2], matrix[7], matrix[12], matrix[17],
92 matrix[3], matrix[8], matrix[13], matrix[18]
95 frag_info.input_alpha =
97 ? input_snapshot->opacity
99 const std::unique_ptr<const Sampler>& sampler =
100 renderer.GetContext()->GetSamplerLibrary()->GetSampler({});
101 FS::BindInputTexture(pass, input_snapshot->texture, sampler);
102 FS::BindFragInfo(pass, host_buffer.EmplaceUniform(frag_info));
104 VS::BindFrameInfo(pass, host_buffer.EmplaceUniform(frame_info));
106 return pass.Draw().ok();
110 [coverage](
const Entity& entity) -> std::optional<Rect> {
static std::shared_ptr< Contents > Make(RenderProc render_proc, CoverageProc coverage_proc)
AbsorbOpacity GetAbsorbOpacity() const
~ColorMatrixFilterContents() override
void SetMatrix(const ColorMatrix &matrix)
std::optional< Entity > RenderFilter(const FilterInput::Vector &input_textures, const ContentContext &renderer, const Entity &entity, const Matrix &effect_transform, const Rect &coverage, const std::optional< Rect > &coverage_hint) const override
Converts zero or more filter inputs into a render instruction.
std::function< std::optional< Rect >(const Entity &entity)> CoverageProc
std::function< bool(const ContentContext &renderer, const Entity &entity, RenderPass &pass)> RenderProc