| <!-- |
| Simple .basis ETC1S texture video tester. |
| Command lines to encode a texture video file from another video file: |
| ffmpeg -i "castle.mp4" pic%04d.png |
| basisu -basis -comp_level 2 -tex_type video -multifile_printf "pic%04u.png" -multifile_num 600 -multifile_first 1 -max_selectors 16128 -max_endpoints 16128 -endpoint_rdo_thresh 1.05 -selector_rdo_thresh 1.05 -resample_factor .5 -debug |
| --> |
| <!doctype html> |
| <html> |
| <head> |
| <script src="renderer.js"></script> |
| <script src="../transcoder/build/basis_transcoder.js"></script> |
| |
| <script type="text/javascript"> |
| function log(s) { |
| var div = document.createElement('div'); |
| div.innerHTML = s; |
| document.getElementById('logger').appendChild(div); |
| } |
| |
| function logTime(desc, t) |
| { |
| log(t + 'ms ' + desc); |
| } |
| |
| function isDef(v) |
| { |
| return typeof v != 'undefined'; |
| } |
| |
| function elem(id) |
| { |
| return document.getElementById(id); |
| } |
| |
| function setButtonState(buttonId, state) |
| { |
| document.getElementById(buttonId).disabled = !state; // If state is true, enable button; otherwise, disable it |
| } |
| |
| function dataLoadError(msg) |
| { |
| log(msg); |
| } |
| |
| function loadArrayBuffer(uri, callback, errorCallback) |
| { |
| log('Loading ' + uri + '...'); |
| |
| var xhr = new XMLHttpRequest(); |
| xhr.responseType = "arraybuffer"; |
| xhr.open('GET', uri, true); |
| |
| xhr.onreadystatechange = function(e) { |
| if (xhr.readyState == 4) { // Request is done |
| if (xhr.status == 200) { |
| // Success, call the callback with the response |
| callback(xhr.response); |
| } else { |
| // Error, call the errorCallback with the status |
| errorCallback('Failed to load file. Status: ' + xhr.status + ' - ' + xhr.statusText); |
| } |
| } |
| }; |
| |
| xhr.onerror = function(e) { |
| // Network error or request couldn't be made |
| errorCallback('Network error or request failed.'); |
| }; |
| |
| xhr.send(null); |
| } |
| |
| // ASTC format, from: |
| // https://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_astc/ |
| COMPRESSED_RGBA_ASTC_4x4_KHR = 0x93B0; |
| |
| // DXT formats, from: |
| // http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_s3tc/ |
| COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0; |
| COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1; |
| COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2; |
| COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3; |
| |
| // BC6H/BC7 formats, from: |
| // https://www.khronos.org/registry/webgl/extensions/EXT_texture_compression_bptc/ |
| COMPRESSED_RGBA_BPTC_UNORM = 0x8E8C; |
| COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT = 0x8E8F; |
| |
| // ETC format, from: |
| // https://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_etc1/ |
| COMPRESSED_RGB_ETC1_WEBGL = 0x8D64; |
| |
| // PVRTC format, from: |
| // https://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_pvrtc/ |
| COMPRESSED_RGB_PVRTC_4BPPV1_IMG = 0x8C00; |
| COMPRESSED_RGBA_PVRTC_4BPPV1_IMG = 0x8C02; |
| |
| // Half float RGBA, from: |
| // https://registry.khronos.org/webgl/extensions/OES_texture_half_float/ |
| HALF_FLOAT_OES = 0x8D61; |
| |
| // Same as the Module.transcoder_texture_format enum |
| BASIS_FORMAT = |
| { |
| cTFETC1: 0, |
| cTFETC2: 1, |
| cTFBC1: 2, |
| cTFBC3: 3, |
| cTFBC4: 4, |
| cTFBC5: 5, |
| cTFBC7: 6, |
| cTFPVRTC1_4_RGB: 8, |
| cTFPVRTC1_4_RGBA: 9, |
| cTFASTC_4x4: 10, |
| cTFATC_RGB: 11, |
| cTFATC_RGBA_INTERPOLATED_ALPHA: 12, |
| cTFRGBA32: 13, |
| cTFRGB565: 14, |
| cTFBGR565: 15, |
| cTFRGBA4444: 16, |
| cTFFXT1_RGB: 17, |
| cTFPVRTC2_4_RGB: 18, |
| cTFPVRTC2_4_RGBA: 19, |
| cTFETC2_EAC_R11: 20, |
| cTFETC2_EAC_RG11: 21, |
| cTFBC6H: 22, |
| cTFASTC_HDR_4x4_RGBA: 23, |
| cTFRGB_HALF: 24, |
| cTFRGBA_HALF: 25, |
| cTFRGB_9E5: 26 |
| }; |
| |
| BASIS_DEBUG_FLAGS = { |
| DEBUG_FLAG_VIS_CR: 1, |
| DEBUG_FLAG_VIS_SELS: 2, |
| DEBUG_FLAG_VIS_ENDPOINTS: 4 |
| }; |
| |
| BASIS_FORMAT_NAMES = {}; |
| for (var name in BASIS_FORMAT) { |
| BASIS_FORMAT_NAMES[BASIS_FORMAT[name]] = name; |
| } |
| |
| DXT_FORMAT_MAP = {}; |
| DXT_FORMAT_MAP[BASIS_FORMAT.cTFBC1] = COMPRESSED_RGB_S3TC_DXT1_EXT; |
| DXT_FORMAT_MAP[BASIS_FORMAT.cTFBC3] = COMPRESSED_RGBA_S3TC_DXT5_EXT; |
| DXT_FORMAT_MAP[BASIS_FORMAT.cTFBC7] = COMPRESSED_RGBA_BPTC_UNORM; |
| |
| var astcSupported = false; |
| var etcSupported = false; |
| var dxtSupported = false; |
| var bc7Supported = false; |
| var bc6hSupported = false; |
| var astcHDRSupported = false; |
| var rgbaHalfSupported = false; |
| var halfFloatWebGLFormat = 0; |
| var pvrtcSupported = false; |
| |
| var drawMode = 0; |
| |
| var basisFile = 0; |
| var tex = null, width = 0, height = 0, numImages = 0, levels = 0, have_alpha = false, transcodeFormat; |
| var displayWidth = 0, displayHeight = 0; |
| var alignedWidth = 0, alignedHeight = 0; |
| var curImageIndex = 0; |
| |
| function redraw() |
| { |
| if ((!width) || (!tex)) |
| return; |
| |
| renderer.drawTexture(tex, displayWidth, displayHeight, drawMode); |
| } |
| |
| function closeBasisFile() |
| { |
| if (basisFile) |
| { |
| basisFile.close(); |
| basisFile.delete(); |
| basisFile = 0; |
| } |
| |
| renderer.deleteTexture(tex); |
| tex = null; |
| |
| width = 0; |
| height = 0; |
| numImages = 0; |
| levels = 0; |
| have_alpha = 0; |
| |
| displayWidth = 0; |
| displayHeight = 0; |
| alignedWidth = 0; |
| alignedHeight = 0; |
| curImageIndex = 0; |
| |
| thenTime = 0; |
| timeSinceLastFrame = 0; |
| framerateLimit = true; |
| pausedFlag = false; |
| frameRate = 24.0; |
| rewindFlag = 0; |
| } |
| |
| function transcodeFrame() |
| { |
| if (!basisFile) |
| return; |
| |
| const { BasisFile, initializeBasis } = Module; |
| |
| const isUncompressedFormat = Module.formatIsUncompressed(transcodeFormat); |
| |
| const blockWidth = isUncompressedFormat ? 1 : 4; |
| const blockHeight = blockWidth; |
| |
| const bytesPerBlockOrPixel = Module.getBytesPerBlockOrPixel(transcodeFormat); |
| |
| const dstSize = basisFile.getImageTranscodedSizeInBytes(curImageIndex, 0, transcodeFormat); |
| const dst = new Uint8Array(dstSize); |
| |
| if (!basisFile.transcodeImage(dst, curImageIndex, 0, transcodeFormat, 0, 0)) |
| { |
| log('basisFile.transcodeImage failed'); |
| console.warn('transcodeImage failed'); |
| |
| closeBasisFile(); |
| |
| return; |
| } |
| |
| // Create or update the WebGL texture object. |
| if (transcodeFormat === BASIS_FORMAT.cTFASTC_4x4) |
| { |
| if (tex) |
| renderer.updateCompressedTexture(tex, dst, alignedWidth, alignedHeight, COMPRESSED_RGBA_ASTC_4x4_KHR); |
| else |
| tex = renderer.createCompressedTexture(dst, alignedWidth, alignedHeight, COMPRESSED_RGBA_ASTC_4x4_KHR); |
| } |
| else if ((transcodeFormat === BASIS_FORMAT.cTFBC3) || (transcodeFormat === BASIS_FORMAT.cTFBC1) || (transcodeFormat == BASIS_FORMAT.cTFBC7)) |
| { |
| if (tex) |
| renderer.updateCompressedTexture(tex, dst, alignedWidth, alignedHeight, DXT_FORMAT_MAP[transcodeFormat]); |
| else |
| tex = renderer.createCompressedTexture(dst, alignedWidth, alignedHeight, DXT_FORMAT_MAP[transcodeFormat]); |
| } |
| else if (transcodeFormat === BASIS_FORMAT.cTFETC1) |
| { |
| if (tex) |
| renderer.updateCompressedTexture(tex, dst, alignedWidth, alignedHeight, COMPRESSED_RGB_ETC1_WEBGL); |
| else |
| tex = renderer.createCompressedTexture(dst, alignedWidth, alignedHeight, COMPRESSED_RGB_ETC1_WEBGL); |
| } |
| else |
| { |
| // Fallback for PVRTC1 or if no GPU tex formats are supported. |
| // Create or update 565 texture. |
| var dstTex = new Uint16Array(width * height); |
| |
| // Convert the array of bytes to an array of uint16's. |
| var pix = 0; |
| for (var y = 0; y < height; y++) |
| for (var x = 0; x < width; x++, pix++) |
| dstTex[pix] = dst[2 * pix + 0] | (dst[2 * pix + 1] << 8); |
| |
| if (tex) |
| renderer.updateRgb565Texture(tex, dstTex, width, height); |
| else |
| tex = renderer.createRgb565Texture(dstTex, width, height); |
| } |
| } |
| |
| var thenTime = 0; |
| var timeSinceLastFrame = 0; |
| var framerateLimit = true; |
| var pausedFlag = false; |
| var frameRate = 24.0; |
| |
| var dataLoadedCountDown; |
| var receivedFileData; |
| var forceBC1Flag = 0; |
| |
| function frame(nowTime) |
| { |
| if (dataLoadedCountDown > 0) |
| { |
| dataLoadedCountDown = dataLoadedCountDown - 1; |
| if (dataLoadedCountDown == 0) |
| { |
| if (receivedFileData) |
| { |
| prepareBasisFile(receivedFileData); |
| receivedFileData = null; |
| } |
| } |
| } |
| |
| nowTime *= 0.001; // convert to seconds |
| |
| const deltaTime = nowTime - thenTime; |
| thenTime = nowTime; |
| |
| if (basisFile != 0) |
| { |
| if (curImageIndex >= numImages) |
| curImageIndex = 0; |
| |
| transcodeFrame(); |
| |
| redraw() |
| |
| if (rewindFlag != 0) |
| { |
| curImageIndex = 0; |
| timeSinceLastFrame = 0; |
| |
| rewindFlag = 0; |
| } |
| else if (pausedFlag) |
| { |
| timeSinceLastFrame = 0; |
| } |
| else if (!framerateLimit) |
| { |
| timeSinceLastFrame = 0; |
| curImageIndex++; |
| } |
| else |
| { |
| timeSinceLastFrame += deltaTime; |
| if (timeSinceLastFrame > 1.0/frameRate) |
| { |
| timeSinceLastFrame = timeSinceLastFrame % (1.0/frameRate); |
| |
| curImageIndex++; |
| } |
| } |
| |
| if (curImageIndex >= numImages) |
| curImageIndex = 0; |
| } |
| |
| requestAnimationFrame(frame); |
| } |
| |
| function prepareBasisFile(fileData) |
| { |
| const { BasisFile, initializeBasis } = Module; |
| |
| closeBasisFile(); |
| |
| var srcFileData = new Uint8Array(fileData); |
| var srcFileSize = srcFileData.length; |
| |
| basisFile = new BasisFile(srcFileData); |
| |
| if (!basisFile) |
| { |
| log('Failed opening .basis file!'); |
| |
| return; |
| } |
| |
| var is_hdr = basisFile.isHDR(); |
| |
| if (is_hdr) |
| { |
| log('HDR files not supported in this demo yet!'); |
| |
| closeBasisFile(); |
| |
| return; |
| } |
| |
| width = basisFile.getImageWidth(0, 0); |
| height = basisFile.getImageHeight(0, 0); |
| numImages = basisFile.getNumImages(); |
| levels = basisFile.getNumLevels(0); |
| have_alpha = basisFile.getHasAlpha(); |
| |
| if (!width || !height || !numImages || !levels) |
| { |
| log('Failed getting info from basis file!'); |
| |
| closeBasisFile(); |
| |
| return; |
| } |
| |
| log('forceBC1: ' + forceBC1Flag); |
| |
| var formatString = 'UNKNOWN'; |
| if ((forceBC1Flag) && (dxtSupported)) |
| { |
| transcodeFormat = BASIS_FORMAT.cTFBC1; |
| formatString = 'BC1'; |
| } |
| else if (astcSupported) |
| { |
| transcodeFormat = BASIS_FORMAT.cTFASTC_4x4; |
| formatString = 'ASTC'; |
| } |
| else if (etcSupported) |
| { |
| transcodeFormat = BASIS_FORMAT.cTFETC1; |
| formatString = 'ETC1'; |
| } |
| else if (bc7Supported) |
| { |
| transcodeFormat = BASIS_FORMAT.cTFBC7; |
| formatString = 'BC7'; |
| } |
| else if (dxtSupported) |
| { |
| if (have_alpha) |
| { |
| transcodeFormat = BASIS_FORMAT.cTFBC3; |
| formatString = 'BC3'; |
| } |
| else |
| { |
| transcodeFormat = BASIS_FORMAT.cTFBC1; |
| formatString = 'BC1'; |
| } |
| } |
| else |
| { |
| transcodeFormat = BASIS_FORMAT.cTFRGB565; |
| formatString = 'RGB565'; |
| } |
| |
| elem('format').innerText = formatString; |
| |
| setButtonState('buttonVisCRs', (transcodeFormat == BASIS_FORMAT.cTFBC1)); |
| setButtonState('buttonVisSels', (transcodeFormat == BASIS_FORMAT.cTFBC1)); |
| setButtonState('buttonVisEnds', (transcodeFormat == BASIS_FORMAT.cTFBC1)); |
| |
| log('.basis file size: ' + srcFileSize); |
| |
| if (levels == 1) |
| log('average bits/texel: ' + ((srcFileSize * 8.0) / (width * height * numImages))); |
| |
| log('width: ' + width); |
| log('height: ' + height); |
| log('numImages: ' + numImages); |
| log('first image mipmap levels: ' + levels); |
| log('have_alpha: ' + have_alpha); |
| |
| alignedWidth = (width + 3) & ~3; |
| alignedHeight = (height + 3) & ~3; |
| |
| var canvas = elem('canvas'); |
| canvas.width = width; |
| canvas.height = height; |
| |
| displayWidth = width; |
| displayHeight = height; |
| |
| if (!basisFile.startTranscoding()) |
| { |
| log('basis_start_transcoding() failed!'); |
| |
| closeBasisFile(); |
| |
| return; |
| } |
| } |
| |
| function dataLoaded(fileData) |
| { |
| log('Done loading .basis file'); |
| |
| const { BasisFile, initializeBasis } = Module; |
| |
| initializeBasis(); |
| |
| dataLoadedCountDown = 50; |
| |
| receivedFileData = fileData; |
| } |
| |
| function arrayBufferCopy(src, dst, dstByteOffset, numBytes) |
| { |
| dst32Offset = dstByteOffset / 4; |
| var tail = (numBytes % 4); |
| var src32 = new Uint32Array(src.buffer, 0, (numBytes - tail) / 4); |
| var dst32 = new Uint32Array(dst.buffer); |
| for (var i = 0; i < src32.length; i++) { |
| dst32[dst32Offset + i] = src32[i]; |
| } |
| for (var i = numBytes - tail; i < numBytes; i++) { |
| dst[dstByteOffset + i] = src[i]; |
| } |
| } |
| |
| |
| function run() |
| { |
| elem('logger').innerHTML = ''; |
| |
| loadArrayBuffer(elem('file').value, dataLoaded, dataLoadError); |
| |
| requestAnimationFrame(frame); |
| } |
| |
| function checkForGPUFormatSupport(gl) |
| { |
| astcSupported = !!gl.getExtension('WEBGL_compressed_texture_astc'); |
| etcSupported = !!gl.getExtension('WEBGL_compressed_texture_etc1'); |
| dxtSupported = !!gl.getExtension('WEBGL_compressed_texture_s3tc'); |
| pvrtcSupported = !!(gl.getExtension('WEBGL_compressed_texture_pvrtc')) || !!(gl.getExtension('WEBKIT_WEBGL_compressed_texture_pvrtc')); |
| bc7Supported = !!gl.getExtension('EXT_texture_compression_bptc'); |
| |
| // Check for BC6H support |
| { |
| var ext = gl.getExtension('EXT_texture_compression_bptc'); |
| if (ext) { |
| bc6hSupported = !!ext.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT; |
| } |
| } |
| |
| // Check for ASTC HDR support |
| { |
| var ext = gl.getExtension('WEBGL_compressed_texture_astc'); |
| |
| if (ext) { |
| var supportedProfiles = ext.getSupportedProfiles(); |
| |
| var hdrProfiles = supportedProfiles.filter(profile => profile.includes('hdr')); |
| |
| if (hdrProfiles.length > 0) { |
| astcHDRSupported = true; |
| } |
| } |
| } |
| |
| // Check for half-float texture support. |
| { |
| var ext = gl.getExtension('OES_texture_half_float'); |
| if (ext) |
| { |
| rgbaHalfSupported = true; |
| halfFloatWebGLFormat = ext.HALF_FLOAT_OES; |
| } |
| } |
| |
| // HACK HACK - for testing uncompressed |
| //astcSupported = false; |
| //etcSupported = false; |
| //dxtSupported = false; |
| //bc7Supported = false; |
| //pvrtcSupported = false; |
| //bc6hSupported = false; |
| //astcHDRSupported = false; |
| //rgbaHalfSupported = false; |
| |
| console.log('astcSupported: ' + astcSupported); |
| console.log('etcSupported: ' + etcSupported); |
| console.log('dxtSupported: ' + dxtSupported); |
| console.log('bc7Supported: ' + bc7Supported); |
| console.log('pvrtcSupported: ' + pvrtcSupported); |
| console.log('bc6hSupported: ' + bc6hSupported); |
| console.log('astcHDRSupported: ' + astcHDRSupported); |
| console.log('rgbaHalfSupported: ' + rgbaHalfSupported); |
| } |
| |
| function initialize(gl) |
| { |
| checkForGPUFormatSupport(gl); |
| |
| window.renderer = new Renderer(gl); |
| |
| elem('file').addEventListener('keydown', function(e) |
| { |
| if (e.keyCode == 13) { |
| run(); |
| } |
| }, false); |
| |
| run(); |
| } |
| |
| function alphaBlend() { drawMode = 0; redraw(); } |
| function viewRGB() { drawMode = 1; redraw(); } |
| function viewAlpha() { drawMode = 2; redraw(); } |
| function forceBC1Func() { forceBC1Flag = 1 - forceBC1Flag; run(); } |
| |
| function visCR() |
| { |
| var i = Module.getDebugFlags(); |
| i = i ^ BASIS_DEBUG_FLAGS.DEBUG_FLAG_VIS_CR; |
| Module.setDebugFlags(i); |
| } |
| |
| function visSels() |
| { |
| var i = Module.getDebugFlags(); |
| i = i ^ BASIS_DEBUG_FLAGS.DEBUG_FLAG_VIS_SELS; |
| Module.setDebugFlags(i); |
| } |
| |
| function visEndpoints() |
| { |
| var i = Module.getDebugFlags(); |
| i ^= BASIS_DEBUG_FLAGS.DEBUG_FLAG_VIS_ENDPOINTS; |
| Module.setDebugFlags(i); |
| } |
| |
| function togglePause() |
| { |
| pausedFlag = !pausedFlag; |
| } |
| |
| function toggleFramerateLimit() |
| { |
| framerateLimit = !framerateLimit; |
| } |
| |
| function restart() |
| { |
| rewindFlag = 1; |
| } |
| |
| function slow() |
| { |
| if (frameRate > 5.0) |
| frameRate = 5.0; |
| else |
| frameRate = 24.0; |
| } |
| |
| </script> |
| |
| </head> |
| <body> |
| <br> |
| <div style="font-size: 24pt; font-weight: bold"> |
| Basis Universal ETC1S GPU Texture Video Transcoding Test |
| </div> |
| |
| <div style="font-size: 12pt;"> |
| <br>This demo uses the <a href="https://github.com/BinomialLLC/basis_universal">Basis C++ transcoder</a> (compiled to WebAssembly using Emscripten) to transcode a .basis Universal Texture Video file directly to GPU texture data. |
| <br>.basis universal GPU texture files can be quickly transcoded directly to any other GPU texture format with little to no quality loss. |
| <br>Thanks to Evan Parker for providing <a href="https://github.com/toji/webgl-texture-utils">webgl-texture-utils</a> and this test bed. <a href="../index.html">Go back.</a> |
| <br> |
| Transcode Format: <b id='format'>FORMAT</b> |
| </div> |
| <br> |
| <br> |
| .basis file: |
| <input id="file" type="text" size=30 value="6.1.01.basis"></input> |
| <input type="button" value="Run!" onclick="run()"></input> |
| <br> |
| <br> |
| <input type="button" value="Alpha blend" onclick="alphaBlend()"></input> |
| <input type="button" value="View RGB" onclick="viewRGB()"></input> |
| <input type="button" value="View Alpha" onclick="viewAlpha()"></input> |
| <br> |
| <input type="button" value="No Framerate Limit" onclick="toggleFramerateLimit()"></input> |
| <input type="button" value="Pause" onclick="togglePause()"></input> |
| <input type="button" value="Restart" onclick="restart()"></input> |
| <input type="button" value="Toggle Slow Speed" onclick="slow()"></input> |
| |
| <br> |
| <br> |
| Development (only on GPU's supporting BC1): |
| <br> |
| <input type="button" value="Force BC1" onclick="forceBC1Func()"></input> |
| <br> |
| <br> |
| <input type="button" id="buttonVisCRs" value="Visualize CR's" onclick="visCR()" disabled></input> |
| <input type="button" id="buttonVisSels" value="Visualize Selectors" onclick="visSels()" disabled></input> |
| <input type="button" id="buttonVisEnds" value="Visualize Endpoints" onclick="visEndpoints()" disabled></input> |
| <br> |
| |
| <div style="position:absolute; left: 525px; top:170px; font-size: 20pt; font-weight: bold; color: red"> |
| <canvas id='canvas'></canvas> |
| </div> |
| |
| <br><br> |
| <div id='logger'></div> |
| </body> |
| |
| <script> |
| BASIS({onRuntimeInitialized : () => { |
| var gl = elem('canvas').getContext('webgl'); |
| |
| initialize(gl); |
| |
| }}).then(module => window.Module = module); |
| </script> |
| |
| </html> |
