44 const Matrix& effect_transform,
46 const std::optional<Rect>& coverage_hint)
const {
47 if (inputs.size() < 2) {
54 auto y_input_snapshot =
55 inputs[0]->GetSnapshot(
"YUVToRGB(Y)", renderer, entity);
56 auto uv_input_snapshot =
57 inputs[1]->GetSnapshot(
"YUVToRGB(UV)", renderer, entity);
58 if (!y_input_snapshot.has_value() || !uv_input_snapshot.has_value()) {
62 if (y_input_snapshot->texture->GetTextureDescriptor().format !=
64 uv_input_snapshot->texture->GetTextureDescriptor().format !=
72 RenderProc render_proc = [y_input_snapshot, uv_input_snapshot,
73 yuv_color_space = yuv_color_space_](
76 pass.SetCommandLabel(
"YUV to RGB Filter");
80 pass.SetPipeline(renderer.GetYUVToRGBFilterPipeline(
options));
82 auto size = y_input_snapshot->texture->GetSize();
92 auto& host_buffer = renderer.GetTransientsBuffer();
95 VS::FrameInfo frame_info;
100 frame_info.texture_sampler_y_coord_scale =
101 y_input_snapshot->texture->GetYCoordScale();
103 FS::FragInfo frag_info;
104 frag_info.yuv_color_space =
static_cast<Scalar>(yuv_color_space);
105 switch (yuv_color_space) {
114 const std::unique_ptr<const Sampler>& sampler =
115 renderer.GetContext()->GetSamplerLibrary()->GetSampler({});
116 FS::BindYTexture(pass, y_input_snapshot->texture, sampler);
117 FS::BindUvTexture(pass, uv_input_snapshot->texture, sampler);
119 FS::BindFragInfo(pass, host_buffer.EmplaceUniform(frag_info));
120 VS::BindFrameInfo(pass, host_buffer.EmplaceUniform(frame_info));
122 return pass.Draw().ok();
126 [coverage](
const Entity& entity) -> std::optional<Rect> {
static std::shared_ptr< Contents > Make(RenderProc render_proc, CoverageProc coverage_proc)
std::function< std::optional< Rect >(const Entity &entity)> CoverageProc
std::function< bool(const ContentContext &renderer, const Entity &entity, RenderPass &pass)> RenderProc
~YUVToRGBFilterContents() override
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.
void SetYUVColorSpace(YUVColorSpace yuv_color_space)
std::optional< Rect > GetFilterSourceCoverage(const Matrix &effect_transform, const Rect &output_limit) const override
Internal utility method for |GetSourceCoverage| that computes the inverse effect of this transform on...