Class: GPUContext

WebGPU api use context

Constructors

• constructor

Properties

• lastGeometry
• lastPipeline
• lastShader
• drawCount
• renderPassCount
• geometryCount
• pipelineCount
• matrixCount
• lastRenderPassState
• LastCommand

Methods

• bindPipeline
• bindCamera
• bindGeometryBuffer
• cleanCache
• createPipeline
• beginCommandEncoder
• endCommandEncoder
• recordBundleEncoder
• beginRenderPass
• drawIndexed
• draw
• endPass
• computeCommand
• copyTexture

Constructors

constructor

• new GPUContext(): GPUContext

Returns

GPUContext

Properties

lastGeometry

▪ Static lastGeometry: GeometryBase

Defined in

src/gfx/renderJob/GPUContext.ts:15

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lastPipeline

▪ Static lastPipeline: GPURenderPipeline

Defined in

src/gfx/renderJob/GPUContext.ts:16

---

lastShader

▪ Static lastShader: RenderShaderPass

Defined in

src/gfx/renderJob/GPUContext.ts:17

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drawCount

▪ Static drawCount: number = 0

Defined in

src/gfx/renderJob/GPUContext.ts:18

---

renderPassCount

▪ Static renderPassCount: number = 0

Defined in

src/gfx/renderJob/GPUContext.ts:19

---

geometryCount

▪ Static geometryCount: number = 0

Defined in

src/gfx/renderJob/GPUContext.ts:20

---

pipelineCount

▪ Static pipelineCount: number = 0

Defined in

src/gfx/renderJob/GPUContext.ts:21

---

matrixCount

▪ Static matrixCount: number = 0

Defined in

src/gfx/renderJob/GPUContext.ts:22

---

lastRenderPassState

▪ Static lastRenderPassState: RendererPassState

Defined in

src/gfx/renderJob/GPUContext.ts:23

---

LastCommand

▪ Static LastCommand: GPUCommandEncoder

Defined in

src/gfx/renderJob/GPUContext.ts:24

Methods

bindPipeline

▸ bindPipeline(encoder, renderShader): boolean

renderPipeline before render need bind pipeline

Parameters

Name	Type	Description
encoder	GPURenderPassEncoder | GPURenderBundleEncoder	current GPURenderPassEncoder GPURenderPassEncoder GPURenderBundleEncoder
renderShader	RenderShaderPass	render pass shader RenderShaderPass

Returns

boolean

Defined in

src/gfx/renderJob/GPUContext.ts:32

---

bindCamera

▸ bindCamera(encoder, camera): void

render before need make sure use camera

Parameters

Name	Type	Description
encoder	GPURenderPassEncoder | GPURenderBundleEncoder	current GPURenderPassEncoder GPURenderPassEncoder GPURenderBundleEncoder
camera	Camera3D	use camera Camera3D

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:58

---

bindGeometryBuffer

▸ bindGeometryBuffer(encoder, geometry): void

bind geometry vertex buffer to current render pipeline

Parameters

Name	Type	Description
encoder	GPURenderPassEncoder | GPURenderBundleEncoder	current GPURenderPassEncoder GPURenderPassEncoder GPURenderBundleEncoder
geometry	GeometryBase	engine geometry

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:70

---

cleanCache

▸ cleanCache(): void

begin or end clean all use cache

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:89

---

createPipeline

▸ createPipeline(gpuRenderPipeline): GPURenderPipeline

create a render pipeline

Parameters

Name	Type	Description
gpuRenderPipeline	GPURenderPipelineDescriptor	GPURenderPipelineDescriptor

Returns

GPURenderPipeline

Defined in

src/gfx/renderJob/GPUContext.ts:100

---

beginCommandEncoder

▸ beginCommandEncoder(): GPUCommandEncoder

auto get webgpu commandEncoder and start a command encoder

Returns

GPUCommandEncoder

commandEncoder GPUCommandEncoder

Defined in

src/gfx/renderJob/GPUContext.ts:110

---

endCommandEncoder

▸ endCommandEncoder(command): void

end CommandEncoder record and submit

Parameters

Name	Type	Description
command	GPUCommandEncoder	GPUCommandEncoder

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:123

---

recordBundleEncoder

▸ recordBundleEncoder(des): GPURenderBundleEncoder

create a renderBundle gpu object by GPURenderBundleEncoderDescriptor

Parameters

Name	Type	Description
des	GPURenderBundleEncoderDescriptor	GPURenderBundleEncoderDescriptor

Returns

GPURenderBundleEncoder

renderBundleEncoder GPURenderBundleEncoder

Defined in

src/gfx/renderJob/GPUContext.ts:136

---

beginRenderPass

▸ beginRenderPass(command, renderPassState): GPURenderPassEncoder

render pass start return current use gpu renderPassEncoder

Parameters

Name	Type	Description
command	GPUCommandEncoder	GPUCommandEncoder
renderPassState	RendererPassState	RendererPassState

Returns

GPURenderPassEncoder

encoder GPURenderPassEncoder

Defined in

src/gfx/renderJob/GPUContext.ts:147

---

drawIndexed

▸ drawIndexed(encoder, indexCount, instanceCount?, firstIndex?, baseVertex?, firstInstance?): void

Start the rendering process to draw any pipes

Parameters

Name	Type
encoder	GPURenderPassEncoder
indexCount	number
instanceCount?	number
firstIndex?	number
baseVertex?	number
firstInstance?	number

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:190

---

draw

▸ draw(encoder, vertexCount, instanceCount?, firstVertex?, firstInstance?): void

Parameters

Name	Type
encoder	GPURenderPassEncoder
vertexCount	number
instanceCount?	number
firstVertex?	number
firstInstance?	number

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:199

---

endPass

▸ endPass(encoder): void

The GPU must be informed of the end of encoder recording

Parameters

Name	Type
encoder	GPURenderPassEncoder

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:211

---

computeCommand

▸ computeCommand(command, computes): void

Perform the final calculation and submit the Shader to the GPU

Parameters

Name	Type
command	GPUCommandEncoder
computes	ComputeShader[]

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:221

---

copyTexture

▸ copyTexture(command, source, dest): void

Parameters

Name	Type
command	GPUCommandEncoder
source	Texture
dest	Texture

Returns

void

Defined in

src/gfx/renderJob/GPUContext.ts:230