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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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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/conformance/extensions/webgl-draw-buffers-broadcast-return.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/conformance/extensions/webgl-draw-buffers-broadcast-return.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-broadcast-return.html | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-broadcast-return.html b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-broadcast-return.html new file mode 100644 index 0000000000..d773ae8621 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-broadcast-return.html @@ -0,0 +1,138 @@ +<!-- +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 WEBGL_draw_buffers 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/webgl-draw-buffers-utils.js"></script> +</head> +<body> +<div id="description"></div> +<canvas id="canvas" width="64" height="64"> </canvas> +<div id="console"></div> +<script id="fshaderRedWithReturn" type="x-shader/x-fragment"> +#extension GL_EXT_draw_buffers : require +precision mediump float; +uniform float u_zero; +void main() { + gl_FragColor = vec4(1,0,0,1); + if (u_zero < 1.0) { + return; + } + gl_FragColor = vec4(0,0,1,1); +} +</script> +<script id="fshaderWithDiscard" type="x-shader/x-fragment"> +#extension GL_EXT_draw_buffers : require +precision mediump float; +uniform float u_zero; +void main() { + gl_FragColor = vec4(1,0,0,1); + if (u_zero < 1.0) { + discard; + } + gl_FragColor = vec4(0,0,1,1); +} +</script> +<script> +"use strict"; +description("This test verifies gl_FragColor being broadcasted when using WEBGL_draw_buffers extension, if it is available."); + +debug(""); + +var wtu = WebGLTestUtils; +var canvas = document.getElementById("canvas"); +var gl = wtu.create3DContext(canvas); +var ext = null; +var drawBuffersUtils; + +if (!gl) { + testFailed("WebGL context does not exist"); +} else { + testPassed("WebGL context exists"); + + // Query the extension and store globally so shouldBe can access it + ext = gl.getExtension("WEBGL_draw_buffers"); + if (!ext) { + testPassed("No WEBGL_draw_buffers support -- this is legal"); + } else { + testPassed("Successfully enabled WEBGL_draw_buffers extension"); + drawBuffersUtils = WebGLDrawBuffersUtils(gl, ext); + runDrawTests(); + } +} + +function runDrawTests() { + debug(""); + var fb = gl.createFramebuffer(); + + var maxUsable = drawBuffersUtils.getMaxUsableColorAttachments(); + var bufs = drawBuffersUtils.makeColorAttachmentArray(maxUsable); + + var width = 64; + var height = 64; + var attachments = []; + for (var ii = 0; ii < maxUsable; ++ii) { + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.bindFramebuffer(gl.FRAMEBUFFER, fb); + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + ii, gl.TEXTURE_2D, tex, 0); + attachments.push({ + texture: tex + }); + } + + debug("test that gl_FragColor broadcasts if extension is enabled in fragment shader and fragment shader main returns in the middle"); + gl.bindFramebuffer(gl.FRAMEBUFFER, fb); + ext.drawBuffersWEBGL(bufs); + var redProgramWithReturn = wtu.setupProgram(gl, [wtu.simpleVertexShader, "fshaderRedWithReturn"], ["vPosition"], undefined, true); + shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE"); + gl.clearColor(0, 0, 0, 0); + gl.clear(gl.COLOR_BUFFER_BIT); + gl.useProgram(redProgramWithReturn); + wtu.drawUnitQuad(gl); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after draw"); + + drawBuffersUtils.checkAttachmentsForColor(attachments, [255, 0, 0, 255]); + + debug("test that none of the attachments are written in case the fragment shader discards"); + gl.bindFramebuffer(gl.FRAMEBUFFER, fb); + ext.drawBuffersWEBGL(bufs); + var programWithDiscard = wtu.setupProgram(gl, [wtu.simpleVertexShader, "fshaderWithDiscard"], ["vPosition"], undefined, true); + gl.clearColor(0, 0, 0, 0); + gl.clear(gl.COLOR_BUFFER_BIT); + gl.useProgram(programWithDiscard); + wtu.drawUnitQuad(gl); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after draw"); + + drawBuffersUtils.checkAttachmentsForColor(attachments, [0, 0, 0, 0]); + + gl.bindTexture(gl.TEXTURE_2D, null); + gl.bindFramebuffer(gl.FRAMEBUFFER, null); + gl.deleteFramebuffer(fb); + attachments.forEach(function(attachment) { + gl.deleteTexture(attachment.texture); + }); + gl.deleteProgram(redProgramWithReturn); + gl.deleteProgram(programWithDiscard); +} + +var successfullyParsed = true; + +</script> +<script src="../../js/js-test-post.js"></script> +</body> +</html> |