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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL Texture Format Conformance Tests</title> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../resources/webgl-test.js"></script> |
| <script src="../resources/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <canvas id="canvas2d" width="2" height="2" style="width: 50px; height: 50px; border: 1px solid black;"></canvas> |
| <canvas id="canvas" width="2" height="2" style="width: 100px; height:100px; border: 1px solid black;"> </canvas> |
| <script> |
| "use strict"; |
| description("This test ensures WebGL implementations allow the OpenGL ES 2.0 texture formats and do not allow DesktopGL texture formats."); |
| |
| debug(""); |
| debug("Canvas.getContext"); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("canvas"); |
| if (!gl) { |
| testFailed("context does not exist"); |
| } else { |
| testPassed("context exists"); |
| |
| debug(""); |
| debug("Checking texture formats."); |
| |
| var createTexture = function(internalFormat, format, opt_border) { |
| var border = (opt_border === undefined) ? 0 : opt_border; |
| var tex = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex); |
| gl.texImage2D(gl.TEXTURE_2D, |
| 0, // level |
| internalFormat, // internalFormat |
| 16, // width |
| 16, // height |
| border, // border |
| format, // format |
| gl.UNSIGNED_BYTE, // type |
| null); // data |
| } |
| |
| var testValidFormat = function(internalFormat, formatName) { |
| createTexture(internalFormat, internalFormat); |
| glErrorShouldBe(gl, gl.NO_ERROR, |
| "was able to create texture of " + formatName); |
| } |
| |
| var testInvalidFormat = function(internalFormat, formatName) { |
| createTexture(internalFormat, internalFormat); |
| var err = gl.getError(); |
| if (err == gl.NO_ERROR) { |
| testFailed("should NOT be able to create texture of type " + formatName); |
| } else if (err == gl.INVALID_OPERATION) { |
| testFailed("should return gl.INVALID_ENUM for type " + formatName); |
| } else if (err == gl.INVALID_ENUM) { |
| testPassed("not able to create invalid format: " + formatName); |
| } |
| } |
| |
| var invalidEnums = [ |
| '1', |
| '2', |
| '3', |
| '4', |
| 'RGB4', |
| 'RGB5', |
| 'RGB8', |
| 'RGB10', |
| 'RGB12', |
| 'RGB16', |
| 'RGBA2', |
| 'RGBA4', |
| 'RGB5_A1', |
| 'RGBA8', |
| 'RGB10_A2', |
| 'RGBA12', |
| 'RGBA16', |
| 'BGR', |
| 'BGRA', |
| 'ALPHA4_EXT', |
| 'ALPHA8_EXT', |
| 'ALPHA12_EXT', |
| 'ALPHA16_EXT', |
| 'COMPRESSED_ALPHA', |
| 'COMPRESSED_LUMINANCE', |
| 'COMPRESSED_LUMINANCE_ALPHA', |
| 'COMPRESSED_INTENSITY', |
| 'COMPRESSED_RGB', |
| 'COMPRESSED_RGBA', |
| 'DEPTH_COMPONENT16', |
| 'DEPTH_COMPONENT24', |
| 'DEPTH_COMPONENT32', |
| 'LUMINANCE4_EXT', |
| 'LUMINANCE8_EXT', |
| 'LUMINANCE12_EXT', |
| 'LUMINANCE16_EXT', |
| 'LUMINANCE4_ALPHA4_EXT', |
| 'LUMINANCE6_ALPHA2_EXT', |
| 'LUMINANCE8_ALPHA8_EXT', |
| 'LUMINANCE12_ALPHA4_EXT', |
| 'LUMINANCE12_ALPHA12_EXT', |
| 'LUMINANCE16_ALPHA16_EXT', |
| 'INTENSITY_EXT', |
| 'INTENSITY4_EXT', |
| 'INTENSITY8_EXT', |
| 'INTENSITY12_EXT', |
| 'INTENSITY16_EXT', |
| 'RGB4_EXT', |
| 'RGB5_EXT', |
| 'RGB8_EXT', |
| 'RGB10_EXT', |
| 'RGB12_EXT', |
| 'RGB16_EXT', |
| 'RGBA2_EXT', |
| 'RGBA4_EXT', |
| 'RGB5_A1_EXT', |
| 'RGBA8_EXT', |
| 'RGB10_A2_EXT', |
| 'RGBA12_EXT', |
| 'RGBA16_EXT', |
| 'SLUMINANCE_EXT', |
| 'SLUMINANCE8_EXT', |
| 'SLUMINANCE_ALPHA_EXT', |
| 'SLUMINANCE8_ALPHA8_EXT', |
| 'SRGB_EXT', |
| 'SRGB8_EXT', |
| 'SRGB_ALPHA_EXT', |
| 'SRGB8_ALPHA8' |
| ]; |
| |
| for (var ii = 0; ii < invalidEnums.length; ++ii) { |
| var formatName = invalidEnums[ii] |
| if (desktopGL[formatName] === undefined) { |
| debug("bad format" + formatName) |
| } else { |
| testInvalidFormat(desktopGL[formatName], "GL_" + formatName); |
| } |
| } |
| |
| var validEnums = [ |
| 'ALPHA', |
| 'RGB', |
| 'RGBA', |
| 'LUMINANCE', |
| 'LUMINANCE_ALPHA' |
| ]; |
| |
| for (var ii = 0; ii < validEnums.length; ++ii) { |
| var formatName = validEnums[ii] |
| testValidFormat(gl[formatName], "gl." + formatName); |
| } |
| |
| debug(""); |
| debug("checking non 0 border parameter to gl.TexImage2D"); |
| createTexture(gl['RGBA'], gl['RGBA'], 1); |
| glErrorShouldBe(gl, gl.INVALID_VALUE, |
| "non 0 border to gl.TexImage2D should return INVALID_VALUE"); |
| |
| |
| var checkTypes = function() { |
| var tex = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex); |
| 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.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); |
| |
| var loc = gl.getUniformLocation(program, "tex"); |
| gl.uniform1i(loc, 0); |
| |
| var checkType = function(r, g, b, a, type, format, buf) { |
| var typeName = wtu.glEnumToString(gl, type); |
| var formatName = wtu.glEnumToString(gl, format); |
| var desc = "format: " + formatName + ", type: " + typeName; |
| debug(""); |
| debug("checking gl.texImage2D with " + desc); |
| gl.texImage2D(gl.TEXTURE_2D, |
| 0, // level |
| format, // internalFormat |
| 2, // width |
| 2, // height |
| 0, // border |
| format, // format |
| type, // type |
| buf); // data |
| |
| glErrorShouldBe(gl, gl.NO_ERROR, |
| "gl.texImage2D with " + desc + " should generate NO_ERROR"); |
| |
| wtu.clearAndDrawUnitQuad(gl, [255, 0, 0, 255]); |
| wtu.checkCanvas(gl, [r,g,b,a], |
| "texture " + desc + " should draw with " + |
| r + ", " + g + ", " + b + ", " + a); |
| |
| } |
| checkType( |
| 0, 255, 0, 255, gl.UNSIGNED_BYTE, gl.RGBA, |
| new Uint8Array( |
| [ 0, 255, 0, 255, |
| 0, 255, 0, 255, |
| 0, 255, 0, 255, |
| 0, 255, 0, 255])); |
| checkType( |
| 0, 0, 255, 255, gl.UNSIGNED_SHORT_4_4_4_4, gl.RGBA, |
| new Uint16Array( |
| [ 255, 255, |
| 255, 255, |
| 255, 255, |
| 255, 255])); |
| checkType( |
| 0, 255, 0, 255, gl.UNSIGNED_SHORT_5_6_5, gl.RGB, |
| new Uint16Array( |
| [ 2016, 2016, |
| 2016, 2016, |
| 2016, 2016, |
| 2016, 2016])); |
| checkType( |
| 0, 0, 255, 255, gl.UNSIGNED_SHORT_5_5_5_1, gl.RGBA, |
| new Uint16Array( |
| [ 63, 63, |
| 63, 63, |
| 63, 63, |
| 63, 63])); |
| checkType( |
| 255, 255, 255, 255, gl.UNSIGNED_BYTE, gl.LUMINANCE, |
| new Uint8Array([ |
| 255, |
| 255, |
| 255, |
| 255])); |
| checkType( |
| 0, 0, 0, 128, gl.UNSIGNED_BYTE, gl.ALPHA, |
| new Uint8Array([ |
| 128, |
| 128, |
| 128, |
| 128])); |
| checkType( |
| 128, 128, 128, 192, gl.UNSIGNED_BYTE, gl.LUMINANCE_ALPHA, |
| new Uint8Array([ |
| 128, 192, |
| 128, 192, |
| 128, 192, |
| 128, 192])); |
| } |
| var program = wtu.setupTexturedQuad(gl); |
| gl.pixelStorei(gl.UNPACK_ALIGNMENT, 1); |
| checkTypes(); |
| } |
| |
| debug(""); |
| var successfullyParsed = true; |
| |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| |
| </body> |
| </html> |