donner::geode::GeodeCheckerboardPipeline Class Reference

Caches the compiled wgpu::RenderPipeline for the checkerboard underlay the editor's direct framebuffer presentation draws behind transparent document regions, plus its bind group layout. More...

#include "donner/svg/renderer/geode/GeodeCheckerboardPipeline.h"

Classes
struct	Uniforms
	Uniform block consumed by the checkerboard shader. More...

Public Member Functions
	GeodeCheckerboardPipeline (const wgpu::Device &device, wgpu::TextureFormat colorFormat)
	Create the checkerboard pipeline for the given device and target format.
	GeodeCheckerboardPipeline (const GeodeCheckerboardPipeline &)=delete
GeodeCheckerboardPipeline &	operator= (const GeodeCheckerboardPipeline &)=delete
	GeodeCheckerboardPipeline (GeodeCheckerboardPipeline &&) noexcept=default
	Move constructor.
GeodeCheckerboardPipeline &	operator= (GeodeCheckerboardPipeline &&) noexcept=default
	Move assignment operator.
bool	valid () const
	True when the shader, bind group layout, and pipeline all compiled.
const wgpu::RenderPipeline &	pipeline () const
	The compiled render pipeline.
const wgpu::BindGroupLayout &	bindGroupLayout () const
	Bind group layout used by the pipeline.

Detailed Description

Caches the compiled wgpu::RenderPipeline for the checkerboard underlay the editor's direct framebuffer presentation draws behind transparent document regions, plus its bind group layout.

Owned by GeodeDevice (lazily, via GeodeDevice::checkerboardPipeline()) so every consumer sharing the device reuses one compiled pipeline - wgpu-native retains every pipeline ever constructed, so per-consumer construction leaks (issue #575).

Bind group layout:

• binding 0: uniform buffer (Uniforms)

The pipeline takes no vertex buffer - the shader emits a fullscreen triangle from @builtin(vertex_index). A draw call is pass.draw(3, 1, 0, 0). The caller owns its uniform buffer and bind group; Uniforms pins the layout contract between the two.

---

Class Documentation

donner::geode::GeodeCheckerboardPipeline::Uniforms

struct donner::geode::GeodeCheckerboardPipeline::Uniforms

Uniform block consumed by the checkerboard shader.

Class Members
float	checkerSize	Checker cell size in logical pixels.
float	darkColor[4]	RGBA for odd cells.
float	devicePixelRatio	Device pixels per logical pixel.
float	lightColor[4]	RGBA for even cells.
float	targetSize[2]	Render-target size in device pixels.

Constructor & Destructor Documentation

GeodeCheckerboardPipeline()

donner::geode::GeodeCheckerboardPipeline::GeodeCheckerboardPipeline	(	const wgpu::Device &	device,
		wgpu::TextureFormat	colorFormat )

Create the checkerboard pipeline for the given device and target format.

Parameters

device	The WebGPU device.
colorFormat	The pixel format of the render target this pipeline will draw into. Must match the target texture's format at draw time.

---

The documentation for this class was generated from the following file:

• donner/svg/renderer/geode/GeodeCheckerboardPipeline.h