LayoutTests/webgl/resources/webgl_test_files/conformance2/textures/misc/active-3d-texture-bug.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 Active TEXTURE1 Bug 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>
 </head>
 <body>
 <div id="description"></div>
 <canvas id="canvas" width="64" height="64"> </canvas>
 <div id="console"></div>
 <script id="vshader" type="x-shader/x-vertex">#version 300 es
 precision mediump float;
 in vec4 a_position;
 in vec2 a_coord;
 out vec2 v_coord;
 void main() {
     gl_Position = a_position;
     v_coord = a_coord;
 }
 </script>
 <script id="fshader" type="x-shader/x-fragment">#version 300 es
 precision mediump float;
 in vec2 v_coord;
 uniform mediump sampler3D u_sampler;
 out vec4 o_color;
 void main () {
     o_color = texture(u_sampler, vec3(v_coord, 0.0));
 }
 </script>
 <script>
 "use strict";
 description("Test for a MacOSX 10.12 with Intel GPUs driver crash bug activating TEXTURE1 for 3d texture");
 debug("");

 var wtu = WebGLTestUtils;
 var canvas = document.getElementById("canvas");
 var gl = wtu.create3DContext(canvas, null, 2);
 var samplerLoc;

 function render(textureUnit, width, height, expectedColor, msg) {
     gl.uniform1i(samplerLoc, textureUnit);
     wtu.setupUnitQuad(gl, 0, 1);
     wtu.clearAndDrawUnitQuad(gl);
     wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, msg);
 }

 function activeTextureTest() {
     var texture = gl.createTexture();
     var sampler = gl.createSampler();
     var width = 64;
     var height = 64;
     var depth = 4;
     var black = [0, 0, 0, 255];
     var size = width * height * depth * 4;

     var buf = new Uint8Array(size);
     for (var i = 0; i < size; i += 4) {
         buf[i + 0] = 0;
         buf[i + 1] = 255;
         buf[i + 2] = 0;
         buf[i + 3] = 255;
     }

     var program = wtu.setupProgram(gl, ["vshader", "fshader"], ['a_position', 'a_coord'], [0, 1]);
     samplerLoc = gl.getUniformLocation(program, "u_sampler");

     gl.viewport(0, 0, width, height);

     gl.bindTexture(gl.TEXTURE_3D, texture);
     gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGBA, width, height, depth, 0, gl.RGBA, gl.UNSIGNED_BYTE, buf);
     // texture is unbound from the default texture unit TEXTURE0,
     // then a default black texture will be bound to TEXTURE0.
     gl.bindTexture(gl.TEXTURE_3D, null);

     // Active TEXTURE1 and 3d texture are necessary to reproduce the crash bug.
     gl.activeTexture(gl.TEXTURE1);

     gl.bindSampler(0, sampler);
     gl.samplerParameteri(sampler, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
     gl.samplerParameteri(sampler, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
     gl.bindTexture(gl.TEXTURE_3D, texture);
     gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
     gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);

     // Render using sampler
     // When rendering from texture unit 0, the black texture will be drawn.
     render(0, width, height, black, "Result pixels rendering from TEXTURE0 should be black");

     gl.bindSampler(0, null);
     gl.deleteSampler(sampler);

     // Render using texture
     // When rendering from texture unit 0, the black texture will be drawn.
     // Crash happens when calling gl.drawArrays during this rendering.
     render(0, width, height, black, "Result pixels rendering from TEXTURE0 should be black");

     gl.bindTexture(gl.TEXTURE_3D, null);
     gl.deleteTexture(texture);
     gl.deleteProgram(program);
 }

 if (!gl) {
     testFailed("Fail to get a WebGL2 context");
 } else {
     testPassed("Created WebGL2 context successfully");
     activeTextureTest();
 }

 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 Active TEXTURE1 Bug 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>
	</head>
	<body>
	<div id="description"></div>
	<canvas id="canvas" width="64" height="64"> </canvas>
	<div id="console"></div>
	<script id="vshader" type="x-shader/x-vertex">#version 300 es
	precision mediump float;
	in vec4 a_position;
	in vec2 a_coord;
	out vec2 v_coord;
	void main() {
	gl_Position = a_position;
	v_coord = a_coord;
	}
	</script>
	<script id="fshader" type="x-shader/x-fragment">#version 300 es
	precision mediump float;
	in vec2 v_coord;
	uniform mediump sampler3D u_sampler;
	out vec4 o_color;
	void main () {
	o_color = texture(u_sampler, vec3(v_coord, 0.0));
	}
	</script>
	<script>
	"use strict";
	description("Test for a MacOSX 10.12 with Intel GPUs driver crash bug activating TEXTURE1 for 3d texture");
	debug("");

	var wtu = WebGLTestUtils;
	var canvas = document.getElementById("canvas");
	var gl = wtu.create3DContext(canvas, null, 2);
	var samplerLoc;

	function render(textureUnit, width, height, expectedColor, msg) {
	gl.uniform1i(samplerLoc, textureUnit);
	wtu.setupUnitQuad(gl, 0, 1);
	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, msg);
	}

	function activeTextureTest() {
	var texture = gl.createTexture();
	var sampler = gl.createSampler();
	var width = 64;
	var height = 64;
	var depth = 4;
	var black = [0, 0, 0, 255];
	var size = width * height * depth * 4;

	var buf = new Uint8Array(size);
	for (var i = 0; i < size; i += 4) {
	buf[i + 0] = 0;
	buf[i + 1] = 255;
	buf[i + 2] = 0;
	buf[i + 3] = 255;
	}

	var program = wtu.setupProgram(gl, ["vshader", "fshader"], ['a_position', 'a_coord'], [0, 1]);
	samplerLoc = gl.getUniformLocation(program, "u_sampler");

	gl.viewport(0, 0, width, height);

	gl.bindTexture(gl.TEXTURE_3D, texture);
	gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGBA, width, height, depth, 0, gl.RGBA, gl.UNSIGNED_BYTE, buf);
	// texture is unbound from the default texture unit TEXTURE0,
	// then a default black texture will be bound to TEXTURE0.
	gl.bindTexture(gl.TEXTURE_3D, null);

	// Active TEXTURE1 and 3d texture are necessary to reproduce the crash bug.
	gl.activeTexture(gl.TEXTURE1);

	gl.bindSampler(0, sampler);
	gl.samplerParameteri(sampler, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
	gl.samplerParameteri(sampler, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
	gl.bindTexture(gl.TEXTURE_3D, texture);
	gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
	gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);

	// Render using sampler
	// When rendering from texture unit 0, the black texture will be drawn.
	render(0, width, height, black, "Result pixels rendering from TEXTURE0 should be black");

	gl.bindSampler(0, null);
	gl.deleteSampler(sampler);

	// Render using texture
	// When rendering from texture unit 0, the black texture will be drawn.
	// Crash happens when calling gl.drawArrays during this rendering.
	render(0, width, height, black, "Result pixels rendering from TEXTURE0 should be black");

	gl.bindTexture(gl.TEXTURE_3D, null);
	gl.deleteTexture(texture);
	gl.deleteProgram(program);
	}

	if (!gl) {
	testFailed("Fail to get a WebGL2 context");
	} else {
	testPassed("Created WebGL2 context successfully");
	activeTextureTest();
	}

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

	</body>
	</html>