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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ext-render-snorm.html')
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ext-render-snorm.html b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ext-render-snorm.html new file mode 100644 index 0000000000..723e762773 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ext-render-snorm.html @@ -0,0 +1,201 @@ +<!-- +Copyright (c) 2023 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 EXT_render_snorm 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> +<div id="console"></div> +<script> +"use strict"; +description("This test verifies the functionality of the EXT_render_snorm extension, if it is available."); + +debug(""); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext(null, null, 2); +var ext; + +function createTypedArray(type) { + switch (type) { + case gl.BYTE: + return new Int8Array(4); + case gl.UNSIGNED_BYTE: + return new Uint8Array(4); + case gl.SHORT: + return new Int16Array(4); + case gl.UNSIGNED_SHORT: + return new Uint16Array(4); + default: + return null; + } +} + +function drawTest(config) { + wtu.drawUnitQuad(gl); + + const implementationType = gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_TYPE); + const implementationFormat = gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_FORMAT); + + // Support for reading signed data with unsigned read type is not required + // but implementations may allow such conversions. Do not expect the error + // when the type matches the buffer type or when it's explicitly supported. + for (const type of [gl.BYTE, gl.UNSIGNED_BYTE, gl.SHORT, gl.UNSIGNED_SHORT]) { + if (type == config.type) continue; + if (implementationFormat != gl.RGBA || implementationType != type) { + gl.readPixels(0, 0, 1, 1, gl.RGBA, type, createTypedArray(type)); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "reading with unsupported type fails"); + } + } + + const defaultPixel = createTypedArray(config.type); + wtu.checkCanvasRect(gl, 0, 0, 1, 1, config.color, + "reading with the RGBA format and matching type", 1, + defaultPixel, + config.type, gl.RGBA); + + if (implementationFormat == config.format && implementationType == config.type) { + const implementationPixel = createTypedArray(implementationType); + const color = [config.color[0]]; + if (config.format != gl.RED) color.push(config.color[1]); + if (config.format == gl.RGBA) color.push(config.color[2], config.color[3]); + wtu.checkCanvasRect(gl, 0, 0, 1, 1, color, + "reading with the exact format/type", 1, + implementationPixel, + implementationType, implementationFormat); + } +} + +function renderbufferTest(config, isSupported) { + debug(""); + debug(`${config.name} renderbuffer: ` + + `${!isSupported || !config.color ? "NOT " : ""}supported`); + + const rbo = gl.createRenderbuffer(); + gl.bindRenderbuffer(gl.RENDERBUFFER, rbo); + gl.renderbufferStorage(gl.RENDERBUFFER, config.internalFormat, 1, 1); + if (!isSupported || !config.color) { + wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "renderbuffer allocation failed"); + return; + } + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "renderbuffer allocation succeeded"); + + const fbo = gl.createFramebuffer(); + gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo); + + wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER, gl.FRAMEBUFFER_COMPLETE); + + drawTest(config); +} + +function textureTest(config, isRenderable, isTexturable) { + debug(""); + debug(`${config.name} texture: ` + + `${!isRenderable || !config.color ? "NOT " : ""}renderable, ` + + `${!isTexturable ? "NOT " : ""}texturable`); + + const tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texImage2D(gl.TEXTURE_2D, 0, config.internalFormat, 1, 1, 0, config.format, config.type, null); + if (!isTexturable) { + wtu.glErrorShouldBe(gl, + [gl.INVALID_ENUM, gl.INVALID_VALUE, gl.INVALID_OPERATION], + "texture allocation failed"); + return; + } + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texture allocation succeeded"); + + const fbo = gl.createFramebuffer(); + gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0); + + if (!isRenderable || !config.color) { + wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER, gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT); + return; + } + wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER, gl.FRAMEBUFFER_COMPLETE); + + drawTest(config); +} + +function formatTest(isSnormEnabled, isNorm16Enabled) { + const program = wtu.setupProgram(gl, [wtu.simpleVertexShader, + wtu.simpleColorFragmentShader]); + gl.useProgram(program); + gl.uniform4f(gl.getUniformLocation(program, "u_color"), -0.0625, -0.125, -0.25, -0.5); + + wtu.setupUnitQuad(gl); + + const configs8 = [ + {name: "R8_SNORM", format: gl.RED, type: gl.BYTE, internalFormat: gl.R8_SNORM, color: [-8, 0, 0, 127]}, + {name: "RG8_SNORM", format: gl.RG, type: gl.BYTE, internalFormat: gl.RG8_SNORM, color: [-8, -16, 0, 127]}, + {name: "RGB8_SNORM", format: gl.RGB, type: gl.BYTE, internalFormat: gl.RGB8_SNORM, color: null}, + {name: "RGBA8_SNORM", format: gl.RGBA, type: gl.BYTE, internalFormat: gl.RGBA8_SNORM, color: [-8, -16, -32, -64]} + ]; + + const configs16 = [ + {name: "R16_SNORM", format: gl.RED, type: gl.SHORT, internalFormat: 0x8F98 /* R16_SNORM_EXT */, color: [-2048, 0, 0, 32767]}, + {name: "RG16_SNORM", format: gl.RG, type: gl.SHORT, internalFormat: 0x8F99 /* RG16_SNORM_EXT */, color: [-2048, -4096, 0, 32767]}, + {name: "RGB16_SNORM", format: gl.RGB, type: gl.SHORT, internalFormat: 0x8F9A /* RGB16_SNORM_EXT */, color: null}, + {name: "RGBA16_SNORM", format: gl.RGBA, type: gl.SHORT, internalFormat: 0x8F9B /* RGBA16_SNORM_EXT */, color: [-2048, -4096, -8192, -16384]} + ]; + + for (const config of configs8) { + renderbufferTest(config, isSnormEnabled); + textureTest(config, isSnormEnabled, true); + } + + for (const config of configs16) { + renderbufferTest(config, isSnormEnabled && isNorm16Enabled); + textureTest(config, isSnormEnabled && isNorm16Enabled, isNorm16Enabled); + } +} + +function runTest() { + if (!gl) { + testFailed("context does not exist"); + return; + } + + testPassed("context exists"); + + debug(""); + debug("Testing signed normalized formats with EXT_render_snorm disabled"); + formatTest(false, false); + + ext = gl.getExtension("EXT_render_snorm"); + wtu.runExtensionSupportedTest(gl, "EXT_render_snorm", ext !== null); + + if (ext !== null) { + debug(""); + debug("Testing signed normalized formats with only EXT_render_snorm enabled"); + formatTest(true, false); + + if (gl.getExtension("EXT_texture_norm16")) { + debug(""); + debug("Testing signed normalized formats with EXT_render_snorm and EXT_texture_norm16 enabled"); + formatTest(true, true); + } + } else { + testPassed("No EXT_render_snorm support -- this is legal"); + } +} + +runTest(); + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> +</body> +</html> |