mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
204 lines
6.2 KiB
HTML
204 lines
6.2 KiB
HTML
<!--
|
|
Copyright (c) 2010 The Chromium Authors. All rights reserved.
|
|
Use of this source code is governed by a BSD-style license that can be
|
|
found in the LICENSE file.
|
|
-->
|
|
<html>
|
|
<head>
|
|
<link rel="stylesheet" href="../resources/js-test-style.css"/>
|
|
<script src="../resources/js-test-pre.js"></script>
|
|
<script src="resources/webgl-test.js"></script>
|
|
<script id="vshader" type="x-shader/x-vertex">
|
|
attribute vec3 g_Position;
|
|
attribute vec2 g_TexCoord0;
|
|
|
|
varying vec2 texCoord;
|
|
|
|
void main()
|
|
{
|
|
gl_Position = vec4(g_Position.x, g_Position.y, g_Position.z, 1.0);
|
|
texCoord = g_TexCoord0;
|
|
}
|
|
</script>
|
|
|
|
<script id="fshader" type="x-shader/x-fragment">
|
|
uniform sampler2D tex;
|
|
varying vec2 texCoord;
|
|
|
|
void main()
|
|
{
|
|
gl_FragColor = texture2D(tex, texCoord);
|
|
}
|
|
</script>
|
|
|
|
<script>
|
|
var gl = null;
|
|
var textureLoc = null;
|
|
var successfullyParsed = false;
|
|
|
|
function init()
|
|
{
|
|
if (window.initNonKhronosFramework) {
|
|
window.initNonKhronosFramework(true);
|
|
}
|
|
|
|
description('Verify texImage2D and texSubImage2D code paths taking Images');
|
|
|
|
debug('');
|
|
|
|
gl = initWebGL("example", "vshader", "fshader", [ "g_Position", "g_TexCoord0" ], [ 0, 0, 0, 1 ], 1);
|
|
|
|
textureLoc = gl.getUniformLocation(gl.program, "tex");
|
|
|
|
var vertices = new WebGLFloatArray([
|
|
1.0, 1.0, 0.0,
|
|
-1.0, 1.0, 0.0,
|
|
-1.0, -1.0, 0.0,
|
|
1.0, 1.0, 0.0,
|
|
-1.0, -1.0, 0.0,
|
|
1.0, -1.0, 0.0]);
|
|
var texCoords = new WebGLFloatArray([
|
|
1.0, 1.0,
|
|
0.0, 1.0,
|
|
0.0, 0.0,
|
|
1.0, 1.0,
|
|
0.0, 0.0,
|
|
1.0, 0.0]);
|
|
var texCoordOffset = vertices.byteLength;
|
|
|
|
var vbo = gl.createBuffer();
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
|
|
gl.bufferData(gl.ARRAY_BUFFER,
|
|
texCoordOffset + texCoords.byteLength,
|
|
gl.STATIC_DRAW);
|
|
gl.bufferSubData(gl.ARRAY_BUFFER, 0, vertices);
|
|
gl.bufferSubData(gl.ARRAY_BUFFER, texCoordOffset, texCoords);
|
|
|
|
gl.enableVertexAttribArray(0);
|
|
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
|
|
gl.enableVertexAttribArray(1);
|
|
gl.vertexAttribPointer(1, 2, gl.FLOAT, gl.FALSE, 0, texCoordOffset);
|
|
|
|
loadTexture("resources/red-green.png");
|
|
}
|
|
|
|
function loadTexture(src) {
|
|
var texture = gl.createTexture();
|
|
gl.bindTexture(gl.TEXTURE_2D, texture);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
|
|
var image = new Image();
|
|
image.onload = function() {
|
|
gl.bindTexture(gl.TEXTURE_2D, texture);
|
|
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true);
|
|
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
|
|
runTest(image);
|
|
};
|
|
image.src = src;
|
|
return texture;
|
|
}
|
|
|
|
// These two declarations need to be global for "shouldBe" to see them
|
|
var buf = null;
|
|
var idx = 0;
|
|
var pixel = [0, 0, 0];
|
|
var correctColor = null;
|
|
|
|
function runOneIteration(image, useTexSubImage2D, flipY, topColor, bottomColor)
|
|
{
|
|
debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
|
|
' with flipY=' + flipY);
|
|
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
|
// Disable any writes to the alpha channel
|
|
gl.colorMask(1, 1, 1, 0);
|
|
var texture = gl.createTexture();
|
|
// Bind the texture to texture unit 0
|
|
gl.bindTexture(gl.TEXTURE_2D, texture);
|
|
// Set up texture parameters
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
|
|
// Set up pixel store parameters
|
|
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
|
|
gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
|
|
// Upload the image into the texture
|
|
if (useTexSubImage2D) {
|
|
// Initialize the texture to black first
|
|
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, image.width, image.height, 0,
|
|
gl.RGBA, gl.UNSIGNED_BYTE, null);
|
|
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);
|
|
} else {
|
|
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
|
|
}
|
|
|
|
// Point the uniform sampler to texture unit 0
|
|
gl.uniform1i(textureLoc, 0);
|
|
// Draw the triangles
|
|
gl.drawArrays(gl.TRIANGLES, 0, 6);
|
|
// Read back the rendering results
|
|
var width = 32;
|
|
var height = 32;
|
|
buf = new Uint8Array(width * height * 4);
|
|
gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf);
|
|
// Check a few pixels near the top and bottom and make sure they have
|
|
// the right color.
|
|
var queryWidth = 2;
|
|
var queryHeight = 2;
|
|
debug("Checking lower left corner");
|
|
var xoff = 4;
|
|
var yoff = 4;
|
|
correctColor = bottomColor;
|
|
for (var y = 0; y < queryHeight; y++) {
|
|
for (var x = 0; x < queryWidth; x++) {
|
|
idx = ((yoff + y) * width * 4 +
|
|
(xoff + x) * 4);
|
|
pixel[0] = buf[idx];
|
|
pixel[1] = buf[idx + 1];
|
|
pixel[2] = buf[idx + 2];
|
|
shouldBe("pixel", "correctColor");
|
|
}
|
|
}
|
|
debug("Checking upper left corner");
|
|
yoff = height - 8;
|
|
correctColor = topColor;
|
|
for (var y = 0; y < queryHeight; y++) {
|
|
for (var x = 0; x < queryWidth; x++) {
|
|
idx = ((yoff + y) * width * 4 +
|
|
(xoff + x) * 4);
|
|
pixel[0] = buf[idx];
|
|
pixel[1] = buf[idx + 1];
|
|
pixel[2] = buf[idx + 2];
|
|
shouldBe("pixel", "correctColor");
|
|
}
|
|
}
|
|
}
|
|
|
|
function runTest(image)
|
|
{
|
|
var red = [255, 0, 0];
|
|
var green = [0, 255, 0];
|
|
runOneIteration(image, false, true, red, green);
|
|
runOneIteration(image, false, false, green, red);
|
|
runOneIteration(image, true, true, red, green);
|
|
runOneIteration(image, true, false, green, red);
|
|
|
|
successfullyParsed = true;
|
|
var epilogue = document.createElement("script");
|
|
epilogue.onload = finish;
|
|
epilogue.src = "../resources/js-test-post.js";
|
|
document.body.appendChild(epilogue);
|
|
}
|
|
|
|
function finish() {
|
|
if (window.nonKhronosFrameworkNotifyDone) {
|
|
window.nonKhronosFrameworkNotifyDone();
|
|
}
|
|
}
|
|
</script>
|
|
</head>
|
|
<body onload="init()">
|
|
<canvas id="example" width="32px" height="32px"></canvas>
|
|
<div id="description"></div>
|
|
<div id="console"></div>
|
|
</body>
|
|
</html>
|