LayoutTests/webgpu/whlsl.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 </head>
   5 <body>
   6 <canvas id="canvas" width="400" height="400"></canvas>
   7 <script>
   8 const shaderSource = `
   9 vertex float4 vertexShader(float4 position : attribute(0), float i : attribute(1)) : SV_Position {
  10     return position;
  11 }
  12
  13 fragment float4 fragmentShader(float4 position : SV_Position) : SV_Target 0 {
  14     return position;
  15 }
  16 `;
  17 async function start() {
  18     const adapter = await navigator.gpu.requestAdapter();
  19     const device = await adapter.requestDevice();
  20
  21     const shaderModule = device.createShaderModule({code: shaderSource, isWHLSL: true});
  22     const vertexStage = {module: shaderModule, entryPoint: "vertexShader"};
  23     const fragmentStage = {module: shaderModule, entryPoint: "fragmentShader"};
  24     const primitiveTopology = "triangle-strip";
  25     const rasterizationState = {frontFace: "cw", cullMode: "none"};
  26     const alphaBlend = {};
  27     const colorBlend = {};
  28     const colorStates = [{format: "rgba8unorm", alphaBlend, colorBlend, writeMask: 15}]; // GPUColorWriteBits.ALL
  29     const depthStencilState = null;
  30
  31     const attribute0 = {shaderLocation: 0, inputSlot: 0, format: "float4"};
  32     const attribute1 = {shaderLocation: 1, inputSlot: 1, format: "float"};
  33     const attributes = [attribute0, attribute1];
  34     const input0 = {inputSlot: 0, stride: 16 };
  35     const input1 = {inputSlot: 1, stride: 4 };
  36     const inputs = [input0, input1];
  37     const inputState = {indexFormat: "uint32", attributes, inputs};
  38
  39     const bindGroupLayoutDescriptor = {bindings: [{binding: 0, visibility: 7, type: "uniform-buffer"}]};
  40     const bindGroupLayout = device.createBindGroupLayout(bindGroupLayoutDescriptor);
  41     const pipelineLayoutDescriptor = {bindGroupLayouts: [bindGroupLayout]};
  42     const pipelineLayout = device.createPipelineLayout(pipelineLayoutDescriptor);
  43
  44     const renderPipelineDescriptor = {vertexStage, fragmentStage, primitiveTopology, rasterizationState, colorStates, depthStencilState, inputState, sampleCount: 1, layout: pipelineLayout};
  45     const renderPipeline = device.createRenderPipeline(renderPipelineDescriptor);
  46
  47     const vertexBuffer0Descriptor = {size: Float32Array.BYTES_PER_ELEMENT * 4 * 4, usage: GPUBufferUsage.VERTEX | GPUBufferUsage.MAP_WRITE};
  48     const vertexBuffer0 = device.createBuffer(vertexBuffer0Descriptor);
  49     const vertexBuffer0ArrayBuffer = await vertexBuffer0.mapWriteAsync();
  50     const vertexBuffer0Float32Array = new Float32Array(vertexBuffer0ArrayBuffer);
  51     vertexBuffer0Float32Array[0] = -0.5;
  52     vertexBuffer0Float32Array[1] = -0.5;
  53     vertexBuffer0Float32Array[2] = 1.0;
  54     vertexBuffer0Float32Array[3] = 1;
  55     vertexBuffer0Float32Array[4] = -0.5;
  56     vertexBuffer0Float32Array[5] = 0.5;
  57     vertexBuffer0Float32Array[6] = 1.0;
  58     vertexBuffer0Float32Array[7] = 1;
  59     vertexBuffer0Float32Array[8] = 0.5;
  60     vertexBuffer0Float32Array[9] = -0.5;
  61     vertexBuffer0Float32Array[10] = 1.0;
  62     vertexBuffer0Float32Array[11] = 1;
  63     vertexBuffer0Float32Array[12] = 0.5;
  64     vertexBuffer0Float32Array[13] = 0.5;
  65     vertexBuffer0Float32Array[14] = 1.0;
  66     vertexBuffer0Float32Array[15] = 1;
  67     vertexBuffer0.unmap();
  68
  69     const vertexBuffer1Descriptor = {size: Float32Array.BYTES_PER_ELEMENT * 4, usage: GPUBufferUsage.VERTEX | GPUBufferUsage.MAP_WRITE};
  70     const vertexBuffer1 = device.createBuffer(vertexBuffer1Descriptor);
  71     const vertexBuffer1ArrayBuffer = await vertexBuffer1.mapWriteAsync();
  72     const vertexBuffer1Float32Array = new Float32Array(vertexBuffer1ArrayBuffer);
  73     vertexBuffer1Descriptor[0] = 1;
  74     vertexBuffer1Descriptor[1] = 1;
  75     vertexBuffer1Descriptor[2] = 1;
  76     vertexBuffer1Descriptor[3] = 1;
  77     vertexBuffer1.unmap();
  78
  79     const resourceBufferDescriptor = {size: Float32Array.BYTES_PER_ELEMENT, usage: GPUBufferUsage.UNIFORM | GPUBufferUsage.MAP_WRITE};
  80     const resourceBuffer = device.createBuffer(resourceBufferDescriptor);
  81     const resourceBufferArrayBuffer = await resourceBuffer.mapWriteAsync();
  82     const resourceBufferFloat32Array = new Float32Array(resourceBufferArrayBuffer);
  83     resourceBufferFloat32Array[0] = 1;
  84     resourceBuffer.unmap();
  85
  86     const bufferBinding = {buffer: resourceBuffer, size: 4};
  87     const bindGroupBinding = {binding: 0, resource: bufferBinding};
  88     const bindGroupDescriptor = {layout: bindGroupLayout, bindings: [bindGroupBinding]};
  89     const bindGroup = device.createBindGroup(bindGroupDescriptor);
  90
  91     const canvas = document.getElementById("canvas");
  92     const context = canvas.getContext("gpu");
  93     const swapChainDescriptor = {device, format: "bgra8unorm"};
  94     const swapChain = context.configureSwapChain(swapChainDescriptor);
  95     const outputTexture = swapChain.getCurrentTexture();
  96     const outputTextureView = outputTexture.createDefaultView();
  97
  98     const commandEncoder = device.createCommandEncoder(); // {}
  99     const red = {r: 0, g: 0, b: 1, a: 1};
 100     const colorAttachments = [{attachment: outputTextureView, resolveTarget: null, loadOp: "clear", storeOp: "store", clearColor: red}];
 101     const depthStencilAttachment = null;
 102     const renderPassDescriptor = {colorAttachments, depthStencilAttachment};
 103     const renderPassEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);
 104     renderPassEncoder.setPipeline(renderPipeline);
 105     renderPassEncoder.setBindGroup(0, bindGroup);
 106     renderPassEncoder.setVertexBuffers(0, [vertexBuffer0, vertexBuffer1], [0, 0]);
 107     renderPassEncoder.draw(4, 1, 0, 0);
 108     renderPassEncoder.endPass();
 109     const commandBuffer = commandEncoder.finish();
 110     device.getQueue().submit([commandBuffer]);
 111
 112     if (window.testRunner)
 113         testRunner.notifyDone();
 114 }
 115 if (window.testRunner)
 116     testRunner.waitUntilDone();
 117 window.addEventListener("load", start);
 118 </script>
 119 </body>
 120 </html>