diff options
| author | Qt Forward Merge Bot <[email protected]> | 2019-10-11 12:44:19 +0200 |
|---|---|---|
| committer | Qt Forward Merge Bot <[email protected]> | 2019-10-11 12:44:19 +0200 |
| commit | ab1bd15209abaf7effc51dbc2f272c5681af7223 (patch) | |
| tree | 680bfbc4ab13514a9d2288609377bd8461f1d9f6 /tests/webkitwidgets/benchmarks/webgl/10000_triangles.html | |
| parent | 5909e6d0d10de3e1370b3ea0bc596f580101e3b4 (diff) | |
| parent | 2eac3aeb98fca0e6c13aaaff481861c5ef679e68 (diff) | |
Change-Id: I2b773e6958cf1d3699ff7887f2807572f1dafa8d
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> |