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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ext-texture-norm16.html b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ext-texture-norm16.html new file mode 100644 index 0000000000..add9fc038d --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ext-texture-norm16.html @@ -0,0 +1,253 @@ +<!-- +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 EXT_texture_norm16 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_texture_norm16 extension, if it is available."); + +debug(""); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext(null, null, 2); +var ext; + +var formats = null; +var textures; +var fbos; +var renderbuffer; +var readbackBuf = new Uint16Array(4); + +function generateFormatColor(format, value, alpha) { + alpha = alpha !== undefined ? alpha : 255; + switch(format) { + case gl.RED: + return [value, 0, 0, alpha]; + case gl.RG: + return [value, value, 0, alpha]; + case gl.RGB: + return [value, value, value, alpha]; + case gl.RGBA: + return [value, value, value, value]; + default: + wtu.error("Unreachable: Unknown format."); + return null; + } +} + +function testNorm16Texture(internalFormat, format, type, error="NO_ERROR") { + debug(`\ntestNorm16Texture(${[].slice.call(arguments).join(", ")})`); + let pixelValue; + let expectedValue; + let imageData; + + switch(gl[type]) { + case gl.SHORT: + pixelValue = 0x7fff; + expectedValue = 0xff; + imageData = new Int16Array(4).fill(pixelValue); + break; + case gl.UNSIGNED_SHORT: + pixelValue = 0x6a35; + expectedValue = pixelValue >> 8; + imageData = new Uint16Array(4).fill(pixelValue); + break; + default: + wtu.error("Unreachable: Unknown texture type."); + break; + } + + // Texture sampled from + gl.activeTexture(gl.TEXTURE0); + gl.bindTexture(gl.TEXTURE_2D, textures[0]); + gl.texImage2D(gl.TEXTURE_2D, 0, ext[internalFormat] || gl[internalFormat], + 1, 1, 0, gl[format], gl[type], imageData); + + wtu.glErrorShouldBe(gl, gl[error], `texImage should generate error:${error}`); + if (gl[error]) return; + + gl.drawArrays(gl.TRIANGLES, 0, 6); + + // Read back as gl.UNSIGNED_BYTE + wtu.checkCanvasRect(gl, 0, 0, 1, 1, generateFormatColor(gl[format], expectedValue)); +} + +function testNorm16Render(interalFormat, format, type, tolerance) { + // Only UNSIGNED_SHORT are renderable + let pixelValue = 0x6a35; + let expectedValue = pixelValue; + let imageData = new Uint16Array(4).fill(pixelValue); + + // Render to fbo texture attachment test + gl.bindTexture(gl.TEXTURE_2D, textures[1]); + gl.texImage2D(gl.TEXTURE_2D, 0, interalFormat, 1, 1, 0, format, type, null); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "rtt bindings succeed"); + + gl.bindFramebuffer(gl.FRAMEBUFFER, fbos[0]); + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, textures[1], 0); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "fbo bindings succeed"); + + gl.activeTexture(gl.TEXTURE0); + gl.bindTexture(gl.TEXTURE_2D, textures[0]); + gl.texImage2D(gl.TEXTURE_2D, 0, interalFormat, 1, 1, 0, format, type, imageData); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texture bindings succeed"); + + gl.drawArrays(gl.TRIANGLES, 0, 6); + + wtu.checkCanvasRect(gl, 0, 0, 1, 1, generateFormatColor(format, expectedValue, 0xffff), undefined, tolerance, readbackBuf, type); + + // Renderbuffer test + gl.bindFramebuffer(gl.FRAMEBUFFER, fbos[1]); + gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuffer); + gl.renderbufferStorage(gl.RENDERBUFFER, interalFormat, 1, 1); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, + renderbuffer); + gl.bindRenderbuffer(gl.RENDERBUFFER, null); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "renderbuffer bindings succeed"); + + gl.clearColor(1, 1, 1, 1); + gl.clear(gl.COLOR_BUFFER_BIT); + + wtu.checkCanvasRect(gl, 0, 0, 1, 1, generateFormatColor(format, 0xffff, 0xffff), undefined, tolerance, readbackBuf, type); + + // Copy from renderbuffer to textures[1] test + gl.bindTexture(gl.TEXTURE_2D, textures[1]); + gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, 1, 1); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "copy succeed"); + + gl.bindFramebuffer(gl.FRAMEBUFFER, fbos[0]); + wtu.checkCanvasRect(gl, 0, 0, 1, 1, generateFormatColor(format, 0xffff, 0xffff), undefined, tolerance, readbackBuf, type); + + gl.bindFramebuffer(gl.FRAMEBUFFER, null); + gl.bindTexture(gl.TEXTURE_2D, null); +} + +function testExtFormatUnrenderable(internalFormatName, format, type) { + gl.bindTexture(gl.TEXTURE_2D, textures[1]); + gl.texImage2D(gl.TEXTURE_2D, 0, ext[internalFormatName], 1, 1, 0, format, type, null); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texture definition succeeded"); + + gl.bindFramebuffer(gl.FRAMEBUFFER, fbos[0]); + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, textures[1], 0); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "fbo binding succeeded"); + + wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER, [ gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT, gl.FRAMEBUFFER_UNSUPPORTED ], + `framebuffer should not be complete with ${internalFormatName} texture attached`); +} + +function runInternalFormatQueryTest() +{ + debug(""); + debug("testing the internal format query"); + + var maxSamples = gl.getParameter(gl.MAX_SAMPLES); + const formats = [ext.R16_EXT, ext.RG16_EXT, ext.RGBA16_EXT]; + for (const format of formats) { + var samples = gl.getInternalformatParameter(gl.RENDERBUFFER, format, gl.SAMPLES); + if (samples == null || samples.length == 0 || samples[0] < maxSamples) { + testFailed("the maximum value in SAMPLES should be at least " + maxSamples); + return; + } + } + testPassed("Internal format query succeeded"); +} + +function runTestExtension() { + textures = [gl.createTexture(), gl.createTexture()]; + fbos = [gl.createFramebuffer(), gl.createFramebuffer()]; + renderbuffer = gl.createRenderbuffer(); + + for (let i = 0; i < 2; i++) { + gl.bindTexture(gl.TEXTURE_2D, textures[i]); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + } + + gl.bindTexture(gl.TEXTURE_2D, null); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texture and framebuffer setup succeed"); + + let program300 = wtu.setupSimpleTextureProgramESSL300(gl); + let program100 = wtu.setupTexturedQuad(gl, 0, 1, wtu.simpleHighPrecisionTextureFragmentShader); + + debug(""); + debug("Texture creation"); + testNorm16Texture("R16_EXT", "RED", "UNSIGNED_SHORT"); + testNorm16Texture("RG16_EXT", "RG", "UNSIGNED_SHORT"); + testNorm16Texture("RGB16_EXT", "RGB", "UNSIGNED_SHORT"); + testNorm16Texture("RGBA16_EXT", "RGBA", "UNSIGNED_SHORT"); + testNorm16Texture("R16_SNORM_EXT", "RED", "SHORT"); + testNorm16Texture("RG16_SNORM_EXT", "RG", "SHORT"); + testNorm16Texture("RGB16_SNORM_EXT", "RGB", "SHORT"); + testNorm16Texture("RGBA16_SNORM_EXT", "RGBA", "SHORT"); + + testNorm16Texture("RGBA", "RGBA", "UNSIGNED_SHORT", "INVALID_OPERATION"); + testNorm16Texture("RGBA", "RGBA", "SHORT", "INVALID_OPERATION"); + + debug(""); + debug("Texture renderability"); + + testNorm16Render(ext.R16_EXT, gl.RED, gl.UNSIGNED_SHORT, 8); + testNorm16Render(ext.RG16_EXT, gl.RG, gl.UNSIGNED_SHORT, 8); + testNorm16Render(ext.RGBA16_EXT, gl.RGBA, gl.UNSIGNED_SHORT, 8); + + gl.useProgram(program300); + + testNorm16Render(ext.R16_EXT, gl.RED, gl.UNSIGNED_SHORT, 0); + testNorm16Render(ext.RG16_EXT, gl.RG, gl.UNSIGNED_SHORT, 0); + testExtFormatUnrenderable("RGB16_EXT", gl.RGB, gl.UNSIGNED_SHORT); + testNorm16Render(ext.RGBA16_EXT, gl.RGBA, gl.UNSIGNED_SHORT, 0); + + testExtFormatUnrenderable("R16_SNORM_EXT", gl.RED, gl.SHORT); + testExtFormatUnrenderable("RG16_SNORM_EXT", gl.RG, gl.SHORT); + testExtFormatUnrenderable("RGB16_SNORM_EXT", gl.RGB, gl.SHORT); + testExtFormatUnrenderable("RGBA16_SNORM_EXT", gl.RGBA, gl.SHORT); +}; + +function runTest() { + if (!gl) { + testFailed("context does not exist"); + } else { + testPassed("context exists"); + + ext = gl.getExtension("EXT_texture_norm16"); + + wtu.runExtensionSupportedTest(gl, "EXT_texture_norm16", ext !== null); + + if (ext !== null) { + runInternalFormatQueryTest(); + runTestExtension(); + } else { + testPassed("No EXT_texture_norm16 support -- this is legal"); + } + } +} + +runTest(); + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> +</body> +</html> |