LayoutTests/webgl/resources/webgl_test_files/conformance2/extensions/ovr_multiview2_depth.html - WebKit - Git at Google

 <!--
 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>
 <script id="macroFragmentShader" type="x-shader/x-fragment">#version 300 es
 precision highp float;
 out vec4 my_FragColor;
 void main() {
 #ifdef GL_OVR_multiview2
     my_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
 #else
     // Error expected
     #error no GL_OVR_multiview2;
 #endif
 }
 </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 runDepthRenderTest()
 {
     debug("");
     debug("Testing rendering with a depth texture array and depth test on");

     let width = 64;
     let height = 64;

     let views = gl.getParameter(ext.MAX_VIEWS_OVR);

     let multiviewShaders = [
       getMultiviewPassthroughVertexShader(views),
       getMultiviewColorFragmentShader()
     ];
     let testProgram = wtu.setupProgram(gl, multiviewShaders, ['a_position'], [0], true);
     if (!testProgram) {
         testFailed("Compilation with extension enabled failed.");
         return;
     }

     let fb = gl.createFramebuffer();
     gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
     let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
     gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, views);
     ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, views);

     let depthTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
     gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.DEPTH32F_STENCIL8, width, height, views);
     ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT, depthTex, 0, 0, views);

     let expectedStatus = gl.FRAMEBUFFER_COMPLETE;
     let status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
     if (status != expectedStatus) {
         testFailed('Framebuffer status: ' + wtu.glEnumToString(gl, status) + ' did not match with the expected value: ' + wtu.glEnumToString(gl, expectedStatus));
     }  else {
         testPassed('Framebuffer status: ' + wtu.glEnumToString(gl, status) + ' matched with the expected value');
     }

     // Draw so that the depth test succeeds for all pixels.
     gl.viewport(0, 0, width, height);
     gl.enable(gl.DEPTH_TEST);
     gl.clearDepth(1.0);
     gl.clear(gl.DEPTH_BUFFER_BIT);

     wtu.drawUnitQuad(gl);
     wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw when depth test succeeds");

     let readFb = gl.createFramebuffer();
     gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb);
     for (let viewIndex = 0; viewIndex < views; ++viewIndex) {
         gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex);
         let expectedColor = getExpectedColor(viewIndex);
         wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, 'view ' + viewIndex + ' should be colored ' + expectedColor);
     }

     // Draw so that the depth test fails for all pixels.
     gl.clearDepth(0.0);
     gl.clearColor(0.0, 0.0, 0.0, 0.0);
     gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
     wtu.drawUnitQuad(gl);
     wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw when depth test fails");

     gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb);
     for (let viewIndex = 0; viewIndex < views; ++viewIndex) {
         gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex);
         let expectedColor = [0, 0, 0, 0];
         wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, 'view ' + viewIndex + ' should be colored ' + expectedColor);
     }
 }

 description("This test verifies drawing to depth buffers with the OVR_multiview2 extension, if it is available.");

 debug("");

 if (!gl) {
   testFailed("WebGL context does not exist");
 } else {
   testPassed("WebGL context exists");

   debug("");

   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');

       wtu.setupUnitQuad(gl, 0, 1);

       runDepthRenderTest();
   }
 }

 debug("");
 var successfullyParsed = true;
 </script>
 <script src="../../js/js-test-post.js"></script>

 </body>
 </html>
	<!--
	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>
	<script id="macroFragmentShader" type="x-shader/x-fragment">#version 300 es
	precision highp float;
	out vec4 my_FragColor;
	void main() {
	#ifdef GL_OVR_multiview2
	my_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
	#else
	// Error expected
	#error no GL_OVR_multiview2;
	#endif
	}
	</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 runDepthRenderTest()
	{
	debug("");
	debug("Testing rendering with a depth texture array and depth test on");

	let width = 64;
	let height = 64;

	let views = gl.getParameter(ext.MAX_VIEWS_OVR);

	let multiviewShaders = [
	getMultiviewPassthroughVertexShader(views),
	getMultiviewColorFragmentShader()
	];
	let testProgram = wtu.setupProgram(gl, multiviewShaders, ['a_position'], [0], true);
	if (!testProgram) {
	testFailed("Compilation with extension enabled failed.");
	return;
	}

	let fb = gl.createFramebuffer();
	gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
	let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
	gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, views);
	ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, views);

	let depthTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
	gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.DEPTH32F_STENCIL8, width, height, views);
	ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT, depthTex, 0, 0, views);

	let expectedStatus = gl.FRAMEBUFFER_COMPLETE;
	let status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
	if (status != expectedStatus) {
	testFailed('Framebuffer status: ' + wtu.glEnumToString(gl, status) + ' did not match with the expected value: ' + wtu.glEnumToString(gl, expectedStatus));
	} else {
	testPassed('Framebuffer status: ' + wtu.glEnumToString(gl, status) + ' matched with the expected value');
	}

	// Draw so that the depth test succeeds for all pixels.
	gl.viewport(0, 0, width, height);
	gl.enable(gl.DEPTH_TEST);
	gl.clearDepth(1.0);
	gl.clear(gl.DEPTH_BUFFER_BIT);

	wtu.drawUnitQuad(gl);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw when depth test succeeds");

	let readFb = gl.createFramebuffer();
	gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb);
	for (let viewIndex = 0; viewIndex < views; ++viewIndex) {
	gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex);
	let expectedColor = getExpectedColor(viewIndex);
	wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, 'view ' + viewIndex + ' should be colored ' + expectedColor);
	}

	// Draw so that the depth test fails for all pixels.
	gl.clearDepth(0.0);
	gl.clearColor(0.0, 0.0, 0.0, 0.0);
	gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT);
	wtu.drawUnitQuad(gl);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw when depth test fails");

	gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb);
	for (let viewIndex = 0; viewIndex < views; ++viewIndex) {
	gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex);
	let expectedColor = [0, 0, 0, 0];
	wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, 'view ' + viewIndex + ' should be colored ' + expectedColor);
	}
	}

	description("This test verifies drawing to depth buffers with the OVR_multiview2 extension, if it is available.");

	debug("");

	if (!gl) {
	testFailed("WebGL context does not exist");
	} else {
	testPassed("WebGL context exists");

	debug("");

	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');

	wtu.setupUnitQuad(gl, 0, 1);

	runDepthRenderTest();
	}
	}

	debug("");
	var successfullyParsed = true;
	</script>
	<script src="../../js/js-test-post.js"></script>

	</body>
	</html>