| Index: third_party/WebKit/PerformanceTests/Canvas/getImageDataColorManaged.html
|
| diff --git a/third_party/WebKit/PerformanceTests/Canvas/getImageDataColorManaged.html b/third_party/WebKit/PerformanceTests/Canvas/getImageDataColorManaged.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..dd222db45a09a6d185bde51dd105d787df654aaf
|
| --- /dev/null
|
| +++ b/third_party/WebKit/PerformanceTests/Canvas/getImageDataColorManaged.html
|
| @@ -0,0 +1,92 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<script src="../resources/runner.js"></script>
|
| +<script>
|
| +
|
| +var canvas = document.createElement("canvas");
|
| +var ctx = canvas.getContext("2d");
|
| +
|
| +var dataSize = 4000000;
|
| +var dataU8 = new Uint8ClampedArray(dataSize);
|
| +var dataU16 = new Uint16Array(dataSize);
|
| +var dataF32 = new Float32Array(dataSize);
|
| +
|
| +var imageData;
|
| +var imageDataU8;
|
| +var imageDataU16;
|
| +var imageDataF32;
|
| +
|
| +var accessCount = 1000000;
|
| +var accessLocations = new Uint32Array(accessCount);
|
| +
|
| +function rand(range) {
|
| + return Math.floor(Math.random() * range);
|
| +}
|
| +
|
| +function fillArrays() {
|
| + for (i = 0; i < dataSize; i++) {
|
| + dataU8[i] = rand(256);
|
| + dataU16[i] = rand(65536);
|
| + dataF32[i] = rand(1);
|
| + }
|
| + for (i = 0; i < accessCount; i++)
|
| + accessLocations[i] = rand(dataSize);
|
| +}
|
| +
|
| +
|
| +function readArray(array, accessLocations, arrayName) {
|
| + var sum = 0;
|
| + for (i = 0; i < accessLocations.length; i++)
|
| + sum = sum + array[accessLocations[i]];
|
| + return sum;
|
| +}
|
| +
|
| +function writeArray(array, accessLocations, arrayName) {
|
| + for (i = 0; i < accessLocations.length; i++)
|
| + array[accessLocations[i]] = 0;
|
| +}
|
| +
|
| +function ImageData_data_AccessTime() {
|
| + imageDataU8 = ctx.createImageData(dataU8, 1000, 1000, {colorSpace: "srgb"});
|
| + readArray(imageData.data, accessLocations);
|
| + writeArray(imageData.data, accessLocations);
|
| +}
|
| +
|
| +function ImageData_dataUnionU8_AccessTime() {
|
| + imageDataU8 = ctx.createImageData(dataU8, 1000, 1000, {colorSpace: "srgb", pixelFormat: "uint8"});
|
| + readArray(imageDataU8.dataUnion, accessLocations);
|
| + writeArray(imageDataU8.dataUnion, accessLocations);
|
| +
|
| +}
|
| +
|
| +function ImageData_dataUnionU16_AccessTime() {
|
| + imageDataU16 = ctx.createImageData(dataU16, 1000, 1000, {colorSpace: "srgb", pixelFormat: "uint16"});
|
| + readArray(imageDataU16.dataUnion, accessLocations);
|
| + writeArray(imageDataU16.dataUnion, accessLocations);
|
| +}
|
| +
|
| +function ImageData_dataUnionF32_AccessTime() {
|
| + imageDataF32 = ctx.createImageData(dataF32, 1000, 1000, {colorSpace: "srgb", pixelFormat: "float32"});
|
| + readArray(imageDataF32.dataUnion, accessLocations, "imageDataF32.dataUnion");
|
| + writeArray(imageDataF32.dataUnion, accessLocations, "imageDataF32.dataUnion");
|
| +}
|
| +
|
| +
|
| +PerfTestRunner.measureRunsPerSecond({run: ImageData_data_AccessTime, description: "This bench test checks the speed of reading and writing 250K pixels (equivalent) to ImageData.data."});
|
| +
|
| +PerfTestRunner.measureRunsPerSecond({run: ImageData_dataUnionU8_AccessTime, description: "This bench test checks the speed of reading and writing 250K pixels (equivalent) to ImageData.dataUnion of type Uint8ClampedArray."});
|
| +
|
| +PerfTestRunner.measureRunsPerSecond({run: ImageData_dataUnionU16_AccessTime, description: "This bench test checks the speed of reading and writing 250K pixels (equivalent) to ImageData.dataUnion of type Uin16Array."});
|
| +
|
| +PerfTestRunner.measureRunsPerSecond({run: ImageData_dataUnionF32_AccessTime, description: "This bench test checks the speed of reading and writing 250K pixels (equivalent) to ImageData.dataUnion of type Float32Array."});
|
| +</script>
|
| +</body>
|
| +</html>
|
| +
|
| +
|
| +test(() => {
|
| + runTest();
|
| +}, "Test ImageData.dataUnion access time");
|
| +</script>
|
| +</body>
|
|
|
Chromium Code Reviews
Issue 2853333002:
Add performance test for ImageData.dataUnion (Closed)
