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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/frag-depth.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/frag-depth.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/frag-depth.html | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/frag-depth.html b/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/frag-depth.html new file mode 100644 index 0000000000..afbbfad741 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/frag-depth.html @@ -0,0 +1,157 @@ +<!-- +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 Frag Depth 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> +</head> +<body> +<div id="description"></div> +<canvas id="canvas" style="width: 50px; height: 50px;"> </canvas> +<div id="console"></div> +<!-- Shaders for testing fragment depth writing --> + +<!-- Shader omitting the required #version --> +<script id="fragmentShaderESSL1" type="x-shader/x-fragment"> +precision mediump float; +void main() { + gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); + gl_FragDepth = 1.0; +} +</script> +<!-- Shader with required #version --> +<script id="fragmentShaderESSL3" type="x-shader/x-fragment">#version 300 es +precision mediump float; +out vec4 my_FragColor; +void main() { + my_FragColor = vec4(1.0, 0.0, 0.0, 1.0); + gl_FragDepth = 1.0; +} +</script> +<!-- Shader using the EXT suffix --> +<script id="fragmentShaderESSL3EXT" type="x-shader/x-fragment">#version 300 es +precision mediump float; +out vec4 my_FragColor; +void main() { + my_FragColor = vec4(1.0, 0.0, 0.0, 1.0); + gl_FragDepthEXT = 1.0; +} +</script> +<!-- Shaders to link with test fragment shaders --> +<script id="vertexShaderESSL1" type="x-shader/x-vertex"> +attribute vec4 vPosition; +void main() { + gl_Position = vPosition; +} +</script> +<script id="vertexShaderESSL3" type="x-shader/x-vertex">#version 300 es +in vec4 vPosition; +void main() { + gl_Position = vPosition; +} +</script> + +<!-- Shader to test output --> +<script id="outputFragmentShader" type="x-shader/x-fragment">#version 300 es +precision mediump float; +uniform float uDepth; + +out vec4 my_FragColor; +void main() { + my_FragColor = vec4(1.0, 0.0, 0.0, 1.0); + gl_FragDepth = uDepth; +} +</script> + +<script> +"use strict"; +description("This test verifies the functionality of setting fragment depth in a shader."); + +debug(""); + +var wtu = WebGLTestUtils; +var canvas = document.getElementById("canvas"); +var gl = wtu.create3DContext(canvas, null, 2); + +if (!gl) { + testFailed("WebGL context does not exist"); +} else { + testPassed("WebGL context exists"); + + runShaderTests(); + debug(""); + runOutputTests(); +} + +function runShaderTests() { + debug(""); + debug("Testing various shader compiles"); + + // Always expect ESSL1 shaders to fail + var fragmentProgramESSL1 = wtu.loadProgramFromScriptExpectError(gl, "vertexShaderESSL1", "fragmentShaderESSL1"); + if (fragmentProgramESSL1) { + testFailed("gl_FragDepth allowed in ESSL1 shader - should be disallowed"); + } else { + testPassed("gl_FragDepth disallowed in ESSL1 shader"); + } + + // Try to compile a shader using the built-ins that should only succeed if enabled + var testFragmentProgram = wtu.loadProgramFromScriptExpectError(gl, "vertexShaderESSL3", "fragmentShaderESSL3"); + if (testFragmentProgram) { + testPassed("gl_FragDepth allowed in ESSL3 shader"); + } else { + testFailed("gl_FragDepth disallowed in ESSL3 shader"); + } + + var testFragmentProgram = wtu.loadProgramFromScriptExpectError(gl, "vertexShaderESSL3", "fragmentShaderESSL3EXT"); + if (testFragmentProgram) { + testFailed("gl_FragDepthEXT allowed in ESSL3 shader - should only allow gl_FragDepth"); + } else { + testPassed("gl_FragDepthEXT disallowed in ESSL3 shader"); + } +} + +function runOutputTests() { + debug("Testing rendering results from writing to gl_FragData"); + + canvas.width = 50; canvas.height = 50; + gl.viewport(0, 0, canvas.width, canvas.height); + + // Enable depth testing with a clearDepth of 0.5 + // This makes it so that fragments are only rendered when + // gl_FragDepth is < 0.5 + gl.clearDepth(0.5); + gl.enable(gl.DEPTH_TEST); + + var positionLoc = 0; + var texcoordLoc = 1; + var program = wtu.setupProgram(gl, ["vertexShaderESSL3", "outputFragmentShader"], ['vPosition'], [0]); + var quadParameters = wtu.setupUnitQuad(gl, 0, 1); + var depthUniform = gl.getUniformLocation(program, "uDepth"); + + // Draw 1: Greater than clear depth + gl.uniform1f(depthUniform, 1.0); + wtu.clearAndDrawUnitQuad(gl); + wtu.checkCanvas(gl, [255, 255, 255, 255]); + + // Draw 2: Less than clear depth + gl.uniform1f(depthUniform, 0.0); + wtu.clearAndDrawUnitQuad(gl); + wtu.checkCanvas(gl, [255, 0, 0, 255]); +} + +debug(""); +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |