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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ovr_multiview2_draw_buffers.html
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL OVR_multiview2 Conformance Tests</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/js-test-pre.js"></script>
+<script src="../../js/webgl-test-utils.js"></script>
+<script src="../../js/tests/ovr_multiview2_util.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+
+let wtu = WebGLTestUtils;
+let gl = wtu.create3DContext(null, null, 2);
+let ext = null;
+
+function runDrawBuffersClearTest()
+{
+ debug("");
+ debug("Testing that calling clear() clears all views in all draw buffers");
+
+ let width = 256;
+ let height = 256;
+
+ let views = gl.getParameter(ext.MAX_VIEWS_OVR);
+
+ let fb = gl.createFramebuffer();
+ gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
+ let colorTex = [null, null, null];
+ let drawBuffers = [0, 0, 0];
+ for (let texIndex = 0; texIndex < colorTex.length; ++texIndex) {
+ colorTex[texIndex] = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
+ gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, views);
+ ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + texIndex, colorTex[texIndex], 0, 0, views);
+ drawBuffers[texIndex] = gl.COLOR_ATTACHMENT0 + texIndex;
+ }
+
+ gl.viewport(0, 0, width, height);
+ gl.drawBuffers(drawBuffers);
+
+ gl.clearColor(0, 1, 1, 1);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from clear");
+
+ let readFb = gl.createFramebuffer();
+ gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb);
+ for (let texIndex = 0; texIndex < colorTex.length; ++texIndex) {
+ for (let viewIndex = 0; viewIndex < views; ++viewIndex) {
+ gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex[texIndex], 0, viewIndex);
+ let expectedColor = [0, 255, 255, 255];
+ wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, 'view ' + viewIndex + ' of color attachment ' + texIndex + ' should be cyan');
+ }
+ debug("");
+ }
+}
+
+function runDrawBuffersRenderTest()
+{
+ debug("");
+ debug("Testing rendering into multiple draw buffers with a different transformation matrix chosen from a uniform array according to ViewID");
+
+ let width = 256;
+ let height = 256;
+
+ let views = gl.getParameter(ext.MAX_VIEWS_OVR);
+
+ let fb = gl.createFramebuffer();
+ gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
+ let colorTex = [null, null, null];
+ let drawBuffers = [0, 0, 0];
+ for (let texIndex = 0; texIndex < colorTex.length; ++texIndex) {
+ colorTex[texIndex] = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
+ gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, views);
+ ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + texIndex, colorTex[texIndex], 0, 0, views);
+ drawBuffers[texIndex] = gl.COLOR_ATTACHMENT0 + texIndex;
+ }
+
+ let multiviewShaders = [
+ getMultiviewRealisticUseCaseVertexShader(views),
+ getMultiviewColorFragmentShaderForDrawBuffers(colorTex.length)
+ ];
+
+ let testProgram = wtu.setupProgram(gl, multiviewShaders, ['a_position'], [0], true);
+ if (!testProgram) {
+ testFailed("Compilation with extension enabled failed.");
+ return;
+ }
+
+ gl.viewport(0, 0, width, height);
+ gl.drawBuffers(drawBuffers);
+
+ let transformLocation = gl.getUniformLocation(testProgram, 'transform');
+ let transformData = new Float32Array (views * 16);
+ for (let viewIndex = 0; viewIndex < views; ++viewIndex) {
+ let scaleX = 1.0 / views;
+ // offsetX is the position of the left edge of the quad we want to get in normalized device coordinates
+ let offsetX = viewIndex / views * 2.0 - 1.0;
+
+ setupTranslateAndScaleXMatrix(transformData, viewIndex * 16, scaleX, offsetX);
+ }
+ gl.uniformMatrix4fv(transformLocation, false, transformData);
+
+ wtu.drawUnitQuad(gl);
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw");
+
+ let readFb = gl.createFramebuffer();
+ gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb);
+ for (let texIndex = 0; texIndex < colorTex.length; ++texIndex) {
+ for (let viewIndex = 0; viewIndex < views; ++viewIndex) {
+ gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex[texIndex], 0, viewIndex);
+ let expectedColor = getExpectedColor(viewIndex + texIndex);
+
+ checkVerticalStrip(width, height, views, viewIndex, expectedColor, 'view ' + viewIndex + ' of color attachment ' + texIndex);
+ }
+ debug("");
+ }
+}
+
+description("This test verifies the functionality of the OVR_multiview2 extension when used with multiple draw buffers, if it is available.");
+
+debug("");
+
+if (!gl) {
+ testFailed("WebGL context does not exist");
+} else {
+ testPassed("WebGL context exists");
+
+ if (!gl.getExtension("OVR_multiview2")) {
+ testPassed("No OVR_multiview2 support -- this is legal");
+ } else {
+ testPassed("Successfully enabled OVR_multiview2 extension");
+ ext = gl.getExtension('OVR_multiview2');
+
+ runDrawBuffersClearTest();
+
+ wtu.setupUnitQuad(gl, 0, 1);
+
+ runDrawBuffersRenderTest();
+ }
+}
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 11:20:53 +0000