CompositeBindings.h File Reference

Binding indices shared by the composite filter program and its hosts. More...

#include <cstdint>
#include <string_view>

Include dependency graph for CompositeBindings.h:

This graph shows which files directly or indirectly include this file:

Namespaces
namespace	donner
	Top-level Donner namespace, which is split into different sub-namespaces such as donner::svg and donner::css.

Enumerations
enum class	donner::gpu::shader::programs::CompositeBinding : uint32_t {   SourceTexture = 0 ,   DestinationTexture = 1 ,   OutputTexture = 2 ,   Params = 3 }
	Resources in bind group zero. More...
enum class	donner::gpu::shader::programs::CompositeOperator : uint32_t {   Over = 0 ,   In = 1 ,   Out = 2 ,   Atop = 3 ,   Xor = 4 ,   Lighter = 5 ,   Arithmetic = 6 }
	SVG compositing operators as encoded in the uniform block. More...

Variables
constexpr std::string_view	donner::gpu::shader::programs::kCompositeEntryPoint = "cs_main"
	Compute entry point declared by the program.
constexpr uint32_t	donner::gpu::shader::programs::kCompositeWorkgroupSize = 8
	Workgroup width and height shared by the program and dispatch sizing.

Detailed Description

Binding indices shared by the composite filter program and its hosts.

Enumeration Type Documentation

CompositeBinding

enum class donner::gpu::shader::programs::CompositeBinding : uint32_t

strong

Resources in bind group zero.

Enumerator
SourceTexture	Premultiplied source color.
DestinationTexture	Premultiplied backdrop color.
OutputTexture	Write-only rgba32float result.
Params	Operator and arithmetic coefficients.

CompositeOperator

enum class donner::gpu::shader::programs::CompositeOperator : uint32_t

strong

SVG compositing operators as encoded in the uniform block.

Enumerator
Over	Source over destination.
In	Source inside destination.
Out	Source outside destination.
Atop	Source atop destination.
Xor	Nonoverlapping source and destination.
Lighter	Saturating sum.
Arithmetic	Weighted product, sum, and constant.