LayoutTests/webgpu/whlsl/textures-load.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script src="js/webgpu-functions.js"></script>
 </head>
 <body>
 <canvas id="canvas" width="400" height="400"></canvas>
 <script>
 const shaderSource = `
 vertex float4 vertexShader(float4 position : attribute(0)) : SV_Position {
     return position;
 }

 fragment float4 fragmentShader(Texture2D<float4> theTexture : register(t0)) : SV_Target 0 {
     return Load(theTexture, int2(0, 0));
 }
 `;

 const canvas = document.getElementById("canvas");

 async function start(device) {
     const shaderModule = device.createShaderModule({code: shaderSource, isWHLSL: true});
     const vertexStage = {module: shaderModule, entryPoint: "vertexShader"};
     const fragmentStage = {module: shaderModule, entryPoint: "fragmentShader"};
     const primitiveTopology = "triangle-strip";
     const rasterizationState = {frontFace: "cw", cullMode: "none"};
     const alphaBlend = {};
     const colorBlend = {};
     const colorStates = [{format: "rgba8unorm", alphaBlend, colorBlend, writeMask: 15}]; // GPUColorWriteBits.ALL
     const depthStencilState = null;

     const attribute0 = {shaderLocation: 0, format: "float4"};
     const input0 = {stride: 16, attributeSet: [attribute0]};
     const inputs = [input0];
     const vertexInput = {vertexBuffers: inputs};

     const bindGroupLayoutDescriptor = {bindings: [{binding: 0, visibility: 7, type: "sampled-texture"}]};
     const bindGroupLayout = device.createBindGroupLayout(bindGroupLayoutDescriptor);
     const pipelineLayoutDescriptor = {bindGroupLayouts: [bindGroupLayout]};
     const pipelineLayout = device.createPipelineLayout(pipelineLayoutDescriptor);

     const renderPipelineDescriptor = {vertexStage, fragmentStage, primitiveTopology, rasterizationState, colorStates, depthStencilState, vertexInput, sampleCount: 1, layout: pipelineLayout};
     const renderPipeline = device.createRenderPipeline(renderPipelineDescriptor);

     const vertexBuffer0Descriptor = {size: Float32Array.BYTES_PER_ELEMENT * 4 * 4, usage: GPUBufferUsage.VERTEX | GPUBufferUsage.MAP_WRITE};
     const vertexBuffer0 = device.createBuffer(vertexBuffer0Descriptor);
     const vertexBuffer0ArrayBuffer = await vertexBuffer0.mapWriteAsync();
     const vertexBuffer0Float32Array = new Float32Array(vertexBuffer0ArrayBuffer);
     vertexBuffer0Float32Array[0] = -0.5;
     vertexBuffer0Float32Array[1] = -0.5;
     vertexBuffer0Float32Array[2] = 1.0;
     vertexBuffer0Float32Array[3] = 1;
     vertexBuffer0Float32Array[4] = -0.5;
     vertexBuffer0Float32Array[5] = 0.5;
     vertexBuffer0Float32Array[6] = 1.0;
     vertexBuffer0Float32Array[7] = 1;
     vertexBuffer0Float32Array[8] = 0.5;
     vertexBuffer0Float32Array[9] = -0.5;
     vertexBuffer0Float32Array[10] = 1.0;
     vertexBuffer0Float32Array[11] = 1;
     vertexBuffer0Float32Array[12] = 0.5;
     vertexBuffer0Float32Array[13] = 0.5;
     vertexBuffer0Float32Array[14] = 1.0;
     vertexBuffer0Float32Array[15] = 1;
     vertexBuffer0.unmap();

     const textureDataBufferDescriptor = {size: Uint8Array.BYTES_PER_ELEMENT * 4 * 2 * 2, usage: GPUBufferUsage.TRANSFER_SRC | GPUBufferUsage.MAP_WRITE};
     const textureDataBuffer = device.createBuffer(textureDataBufferDescriptor);
     const textureDataBufferArrayBuffer = await textureDataBuffer.mapWriteAsync();
     const textureDataBufferUint8Array = new Uint8Array(textureDataBufferArrayBuffer);
     textureDataBufferUint8Array[0] = 255;
     textureDataBufferUint8Array[1] = 255;
     textureDataBufferUint8Array[2] = 255;
     textureDataBufferUint8Array[3] = 255;
     textureDataBufferUint8Array[4] = 128;
     textureDataBufferUint8Array[5] = 128;
     textureDataBufferUint8Array[6] = 128;
     textureDataBufferUint8Array[7] = 255;
     textureDataBufferUint8Array[8] = 128;
     textureDataBufferUint8Array[9] = 128;
     textureDataBufferUint8Array[10] = 128;
     textureDataBufferUint8Array[11] = 255;
     textureDataBufferUint8Array[12] = 128;
     textureDataBufferUint8Array[13] = 128;
     textureDataBufferUint8Array[14] = 128;
     textureDataBufferUint8Array[15] = 255;
     textureDataBuffer.unmap();

     const textureDescriptor = {size: {width: 2, height: 2, depth: 1}, format: "rgba8unorm", usage: GPUTextureUsage.SAMPLED | GPUTextureUsage.TRANSFER_DST};
     const texture = device.createTexture(textureDescriptor);
     const textureView = texture.createDefaultView();

     const bindGroupBindings = [{binding: 0, resource: textureView}];
     const bindGroupDescriptor = {layout: bindGroupLayout, bindings: bindGroupBindings};
     const bindGroup = device.createBindGroup(bindGroupDescriptor);

     const context = canvas.getContext("gpu");
     const swapChainDescriptor = {device, format: "bgra8unorm"};
     const swapChain = context.configureSwapChain(swapChainDescriptor);
     const outputTexture = swapChain.getCurrentTexture();
     const outputTextureView = outputTexture.createDefaultView();

     const commandEncoder = device.createCommandEncoder(); // {}

     const bufferCopyView = {buffer: textureDataBuffer, rowPitch: Uint8Array.BYTES_PER_ELEMENT * 4 * 2, imageHeight: Uint8Array.BYTES_PER_ELEMENT * 4 * 2 * 2};
     const textureCopyView = {texture: texture};
     const copySize = {width: 2, height: 2, depth: 1};
     commandEncoder.copyBufferToTexture(bufferCopyView, textureCopyView, copySize);

     const clearColor = {r: 0, g: 0, b: 1, a: 1};
     const colorAttachments = [{attachment: outputTextureView, resolveTarget: null, loadOp: "clear", storeOp: "store", clearColor}];
     const depthStencilAttachment = null;
     const renderPassDescriptor = {colorAttachments, depthStencilAttachment};
     const renderPassEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);
     renderPassEncoder.setPipeline(renderPipeline);
     renderPassEncoder.setBindGroup(0, bindGroup);
     renderPassEncoder.setVertexBuffers(0, [vertexBuffer0], [0]);
     renderPassEncoder.draw(4, 1, 0, 0);
     renderPassEncoder.endPass();
     const commandBuffer = commandEncoder.finish();
     device.getQueue().submit([commandBuffer]);

     if (window.testRunner)
         testRunner.notifyDone();
 }
 if (window.testRunner)
     testRunner.waitUntilDone();
 getBasicDevice().then(function(device) {
     start(device).then(function() {
         if (window.testRunner)
             testRunner.notifyDone();
     }, function() {
         if (window.testRunner)
             testRunner.notifyDone();
     });
 }, function() {
     drawWhiteSquareOnBlueBackgroundInSoftware(canvas);
     if (window.testRunner)
         testRunner.notifyDone();
 });
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="js/webgpu-functions.js"></script>
	</head>
	<body>
	<canvas id="canvas" width="400" height="400"></canvas>
	<script>
	const shaderSource = `
	vertex float4 vertexShader(float4 position : attribute(0)) : SV_Position {
	return position;
	}

	fragment float4 fragmentShader(Texture2D<float4> theTexture : register(t0)) : SV_Target 0 {
	return Load(theTexture, int2(0, 0));
	}
	`;

	const canvas = document.getElementById("canvas");

	async function start(device) {
	const shaderModule = device.createShaderModule({code: shaderSource, isWHLSL: true});
	const vertexStage = {module: shaderModule, entryPoint: "vertexShader"};
	const fragmentStage = {module: shaderModule, entryPoint: "fragmentShader"};
	const primitiveTopology = "triangle-strip";
	const rasterizationState = {frontFace: "cw", cullMode: "none"};
	const alphaBlend = {};
	const colorBlend = {};
	const colorStates = [{format: "rgba8unorm", alphaBlend, colorBlend, writeMask: 15}]; // GPUColorWriteBits.ALL
	const depthStencilState = null;

	const attribute0 = {shaderLocation: 0, format: "float4"};
	const input0 = {stride: 16, attributeSet: [attribute0]};
	const inputs = [input0];
	const vertexInput = {vertexBuffers: inputs};

	const bindGroupLayoutDescriptor = {bindings: [{binding: 0, visibility: 7, type: "sampled-texture"}]};
	const bindGroupLayout = device.createBindGroupLayout(bindGroupLayoutDescriptor);
	const pipelineLayoutDescriptor = {bindGroupLayouts: [bindGroupLayout]};
	const pipelineLayout = device.createPipelineLayout(pipelineLayoutDescriptor);

	const renderPipelineDescriptor = {vertexStage, fragmentStage, primitiveTopology, rasterizationState, colorStates, depthStencilState, vertexInput, sampleCount: 1, layout: pipelineLayout};
	const renderPipeline = device.createRenderPipeline(renderPipelineDescriptor);

	const vertexBuffer0Descriptor = {size: Float32Array.BYTES_PER_ELEMENT * 4 * 4, usage: GPUBufferUsage.VERTEX \| GPUBufferUsage.MAP_WRITE};
	const vertexBuffer0 = device.createBuffer(vertexBuffer0Descriptor);
	const vertexBuffer0ArrayBuffer = await vertexBuffer0.mapWriteAsync();
	const vertexBuffer0Float32Array = new Float32Array(vertexBuffer0ArrayBuffer);
	vertexBuffer0Float32Array[0] = -0.5;
	vertexBuffer0Float32Array[1] = -0.5;
	vertexBuffer0Float32Array[2] = 1.0;
	vertexBuffer0Float32Array[3] = 1;
	vertexBuffer0Float32Array[4] = -0.5;
	vertexBuffer0Float32Array[5] = 0.5;
	vertexBuffer0Float32Array[6] = 1.0;
	vertexBuffer0Float32Array[7] = 1;
	vertexBuffer0Float32Array[8] = 0.5;
	vertexBuffer0Float32Array[9] = -0.5;
	vertexBuffer0Float32Array[10] = 1.0;
	vertexBuffer0Float32Array[11] = 1;
	vertexBuffer0Float32Array[12] = 0.5;
	vertexBuffer0Float32Array[13] = 0.5;
	vertexBuffer0Float32Array[14] = 1.0;
	vertexBuffer0Float32Array[15] = 1;
	vertexBuffer0.unmap();

	const textureDataBufferDescriptor = {size: Uint8Array.BYTES_PER_ELEMENT * 4 * 2 * 2, usage: GPUBufferUsage.TRANSFER_SRC \| GPUBufferUsage.MAP_WRITE};
	const textureDataBuffer = device.createBuffer(textureDataBufferDescriptor);
	const textureDataBufferArrayBuffer = await textureDataBuffer.mapWriteAsync();
	const textureDataBufferUint8Array = new Uint8Array(textureDataBufferArrayBuffer);
	textureDataBufferUint8Array[0] = 255;
	textureDataBufferUint8Array[1] = 255;
	textureDataBufferUint8Array[2] = 255;
	textureDataBufferUint8Array[3] = 255;
	textureDataBufferUint8Array[4] = 128;
	textureDataBufferUint8Array[5] = 128;
	textureDataBufferUint8Array[6] = 128;
	textureDataBufferUint8Array[7] = 255;
	textureDataBufferUint8Array[8] = 128;
	textureDataBufferUint8Array[9] = 128;
	textureDataBufferUint8Array[10] = 128;
	textureDataBufferUint8Array[11] = 255;
	textureDataBufferUint8Array[12] = 128;
	textureDataBufferUint8Array[13] = 128;
	textureDataBufferUint8Array[14] = 128;
	textureDataBufferUint8Array[15] = 255;
	textureDataBuffer.unmap();

	const textureDescriptor = {size: {width: 2, height: 2, depth: 1}, format: "rgba8unorm", usage: GPUTextureUsage.SAMPLED \| GPUTextureUsage.TRANSFER_DST};
	const texture = device.createTexture(textureDescriptor);
	const textureView = texture.createDefaultView();

	const bindGroupBindings = [{binding: 0, resource: textureView}];
	const bindGroupDescriptor = {layout: bindGroupLayout, bindings: bindGroupBindings};
	const bindGroup = device.createBindGroup(bindGroupDescriptor);

	const context = canvas.getContext("gpu");
	const swapChainDescriptor = {device, format: "bgra8unorm"};
	const swapChain = context.configureSwapChain(swapChainDescriptor);
	const outputTexture = swapChain.getCurrentTexture();
	const outputTextureView = outputTexture.createDefaultView();

	const commandEncoder = device.createCommandEncoder(); // {}

	const bufferCopyView = {buffer: textureDataBuffer, rowPitch: Uint8Array.BYTES_PER_ELEMENT * 4 * 2, imageHeight: Uint8Array.BYTES_PER_ELEMENT * 4 * 2 * 2};
	const textureCopyView = {texture: texture};
	const copySize = {width: 2, height: 2, depth: 1};
	commandEncoder.copyBufferToTexture(bufferCopyView, textureCopyView, copySize);

	const clearColor = {r: 0, g: 0, b: 1, a: 1};
	const colorAttachments = [{attachment: outputTextureView, resolveTarget: null, loadOp: "clear", storeOp: "store", clearColor}];
	const depthStencilAttachment = null;
	const renderPassDescriptor = {colorAttachments, depthStencilAttachment};
	const renderPassEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);
	renderPassEncoder.setPipeline(renderPipeline);
	renderPassEncoder.setBindGroup(0, bindGroup);
	renderPassEncoder.setVertexBuffers(0, [vertexBuffer0], [0]);
	renderPassEncoder.draw(4, 1, 0, 0);
	renderPassEncoder.endPass();
	const commandBuffer = commandEncoder.finish();
	device.getQueue().submit([commandBuffer]);

	if (window.testRunner)
	testRunner.notifyDone();
	}
	if (window.testRunner)
	testRunner.waitUntilDone();
	getBasicDevice().then(function(device) {
	start(device).then(function() {
	if (window.testRunner)
	testRunner.notifyDone();
	}, function() {
	if (window.testRunner)
	testRunner.notifyDone();
	});
	}, function() {
	drawWhiteSquareOnBlueBackgroundInSoftware(canvas);
	if (window.testRunner)
	testRunner.notifyDone();
	});
	</script>
	</body>
	</html>