diff options
| author | Konstantin Tokarev <annulen@yandex.ru> | 2019-10-03 22:48:16 +0300 |
|---|---|---|
| committer | Konstantin Tokarev <annulen@yandex.ru> | 2019-10-04 02:11:52 +0300 |
| commit | 3395426ab651a631aca8ee6b0a694a71df19100f (patch) | |
| tree | 4d1d20f3630ef5e68ee17fa8b3f3de9f3269ec19 /tests/webkitwidgets/benchmarks/webgl/10000_triangles.html | |
| parent | b47f584d07aec2d78ea4a5a5ccf2c761f44f5585 (diff) | |
| download | qtwebkit-3395426ab651a631aca8ee6b0a694a71df19100f.tar.gz | |
Import QtWebKit commit 49b749171e786df3adcd7a755df428c1846acd69
Change-Id: I4c82d8030969d941bb78b1cc4e77c0a66db8da2c
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>
Diffstat (limited to 'tests/webkitwidgets/benchmarks/webgl/10000_triangles.html')
| -rw-r--r-- | tests/webkitwidgets/benchmarks/webgl/10000_triangles.html | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/webkitwidgets/benchmarks/webgl/10000_triangles.html b/tests/webkitwidgets/benchmarks/webgl/10000_triangles.html new file mode 100644 index 000000000..fd061aa27 --- /dev/null +++ b/tests/webkitwidgets/benchmarks/webgl/10000_triangles.html @@ -0,0 +1,59 @@ +<html> + <body style="margin: 0"> + <canvas width="1000" height="1000"></canvas> + </body> +</html> +<script> + var canvas = document.getElementsByTagName("canvas")[0]; + gl = canvas.getContext("experimental-webgl"); + gl.clearColor(0.0, 1.0, 0.0, 1.0); + gl.viewport(0, 0, canvas.width, canvas.height); + + var vertexShader = gl.createShader(gl.VERTEX_SHADER); + gl.shaderSource(vertexShader, "attribute vec4 vPosition;\nvoid main() { gl_Position = vPosition; }"); + gl.compileShader(vertexShader); + + var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER); + gl.shaderSource(fragmentShader, "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }"); + gl.compileShader(fragmentShader); + + var shaderProgram = gl.createProgram(); + gl.attachShader(shaderProgram, vertexShader); + gl.attachShader(shaderProgram, fragmentShader); + gl.bindAttribLocation(shaderProgram, 0, "vPosition"); + gl.linkProgram(shaderProgram); + + gl.useProgram(shaderProgram); + + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + + var vertices = []; + var seedX = -1.0; + var seedY = 1.0; + for (var i = 1; i <= 10000; ++i) { + vertices.push(seedX); + vertices.push(seedY); + vertices.push(0); + seedX += 0.01; + vertices.push(seedX); + vertices.push(seedY - 0.02); + vertices.push(0); + seedX += 0.01; + vertices.push(seedX); + vertices.push(seedY); + vertices.push(0); + if (!(i % 100)) { + seedX = -1.0; + seedY -= 0.02; + } + } + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW); + + + gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); + gl.enableVertexAttribArray(0); + gl.clear(gl.COLOR_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLES, 0, 30000); + gl.flush(); +</script> |