| Index: content/test/data/gpu/pixel_offscreenCanvas_webgl_commit_main.html
|
| diff --git a/content/test/data/gpu/pixel_offscreenCanvas_webgl_commit_main.html b/content/test/data/gpu/pixel_offscreenCanvas_webgl_commit_main.html
|
| index 3ae0e56c24d2c1864f35277dbaa6b75ff33191d1..e881731bd7213d29b46d26b1af6d58844b40d020 100644
|
| --- a/content/test/data/gpu/pixel_offscreenCanvas_webgl_commit_main.html
|
| +++ b/content/test/data/gpu/pixel_offscreenCanvas_webgl_commit_main.html
|
| @@ -23,14 +23,56 @@ function main()
|
| waitForFinish();
|
| }
|
|
|
| +function drawTriangle(canvas)
|
| +{
|
| + var gl = canvas.getContext("webgl");
|
| + gl.clearColor(0, 1, 0, 1);
|
| + gl.clear(gl.COLOR_BUFFER_BIT);
|
| +
|
| + var prog = gl.createProgram();
|
| + var vs = gl.createShader(gl.VERTEX_SHADER);
|
| + gl.shaderSource(vs, ['attribute vec2 pos;',
|
| + 'void main() {',
|
| + ' gl_Position = vec4(pos, 0., 1.);',
|
| + '}'].join('\n'));
|
| + gl.compileShader(vs);
|
| + if (!gl.getShaderParameter(vs, gl.COMPILE_STATUS)) {
|
| + throw 'failed to compiled shader';
|
| + }
|
| + gl.attachShader(prog, vs);
|
| +
|
| + var fs = gl.createShader(gl.FRAGMENT_SHADER);
|
| + gl.shaderSource(fs, ['void main() {',
|
| + ' gl_FragColor = vec4(1.);',
|
| + '}'].join('\n'));
|
| + gl.compileShader(fs);
|
| + if (!gl.getShaderParameter(fs, gl.COMPILE_STATUS)) {
|
| + throw 'failed to compiled shader';
|
| + }
|
| + gl.attachShader(prog, fs);
|
| +
|
| + gl.linkProgram(prog);
|
| + if (!gl.getProgramParameter(prog, gl.LINK_STATUS)) {
|
| + throw "Could not link the shader program!";
|
| + }
|
| + gl.useProgram(prog);
|
| +
|
| + gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer());
|
| + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([-.5,0, 0,.5, .5,0]), gl.STATIC_DRAW);
|
| + var attr = gl.getAttribLocation(prog, 'pos');
|
| + gl.enableVertexAttribArray(attr);
|
| + gl.vertexAttribPointer(attr, 2, gl.FLOAT, false, 0, 0);
|
| +
|
| + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 3);
|
| +
|
| + gl.commit();
|
| +}
|
| +
|
| function draw()
|
| {
|
| var canvas = document.getElementById("c");
|
| var offscreenCanvas = canvas.transferControlToOffscreen();
|
| - var gl = offscreenCanvas.getContext("webgl");
|
| - gl.clearColor(0.0, 1.0, 0.0, 1.0);
|
| - gl.clear(gl.COLOR_BUFFER_BIT);
|
| - gl.commit();
|
| + drawTriangle(offscreenCanvas);
|
| }
|
|
|
| function waitForFinish()
|
| @@ -47,10 +89,10 @@ function waitForFinish()
|
| </script>
|
| </head>
|
| <body onload="main()">
|
| -<div style="position:relative; width:200px; height:200px; background-color:white">
|
| +<div style="position:relative; width:300px; height:300px; background-color:white">
|
| </div>
|
| <div id="container" style="position:absolute; top:0px; left:0px">
|
| -<canvas id="c" width="200" height="200" class="nomargin"></canvas>
|
| +<canvas id="c" width="300" height="300" class="nomargin"></canvas>
|
| </div>
|
| </body>
|
| </html>
|
|
|
Chromium Code Reviews
Issue 2417773003:
Fix content upside down when call OffscreenCanvas's commit (Closed)
