| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>WebGPU texImage2D test</title> |
| <style type="text/css"> |
| .nomargin { |
| margin: 0px auto; |
| } |
| </style> |
| <script type="text/javascript" src="pixel_webgpu_util.js"></script> |
| <script type="text/javascript"> |
| var g_swapsBeforeAck = 15; |
| |
| async function main() { |
| const glCanvas = document.getElementById('canvas_gl'); |
| const gl = glCanvas.getContext('webgl2', {antialias: false}); |
| if (!gl) { |
| console.error('getContext(webgl) failed'); |
| return null; |
| } |
| |
| const gpuCanvas = document.getElementById('canvas_gpu'); |
| const [device, swapChain] = await webGpuUtils.init(gpuCanvas); |
| if (!device || !swapChain) { |
| console.error("Failed to initialize WebGPU - skipping test"); |
| domAutomationController.send("FAILURE"); |
| return; |
| } |
| |
| const renderCallback = function() { |
| webGpuUtils.fourColorsTest(device, swapChain, gpuCanvas.width, |
| gpuCanvas.height); |
| |
| const tex = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex); |
| gl.texImage2D( |
| gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, gpuCanvas); |
| |
| const fbo = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.READ_FRAMEBUFFER, fbo); |
| gl.framebufferTexture2D( |
| gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0); |
| |
| gl.blitFramebuffer(0, 0, gpuCanvas.width, gpuCanvas.height, 0, 0, |
| glCanvas.width, glCanvas.height, gl.COLOR_BUFFER_BIT, |
| gl.LINEAR); |
| |
| gl.deleteFramebuffer(fbo); |
| gl.deleteTexture(tex); |
| |
| waitForFinish(); |
| }; |
| |
| window.requestAnimationFrame(renderCallback); |
| } |
| |
| function waitForFinish() { |
| if (g_swapsBeforeAck == 0) { |
| domAutomationController.send("SUCCESS"); |
| } else { |
| g_swapsBeforeAck--; |
| window.requestAnimationFrame(waitForFinish); |
| } |
| } |
| </script> |
| </head> |
| <body onload="main()"> |
| <canvas id="canvas_gl" width="200" height="200" class="nomargin"></canvas> |
| <canvas id="canvas_gpu" width="200" height="200" class="nomargin"></canvas> |
| </body> |
| </html> |
