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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/webgl/webgl-depth-texture.html

Issue 1601093008: Remove duplicated WebGL layout tests. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: third_party/WebKit/LayoutTests/fast/canvas/webgl/webgl-depth-texture.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/webgl/webgl-depth-texture.html b/third_party/WebKit/LayoutTests/fast/canvas/webgl/webgl-depth-texture.html
deleted file mode 100644
index b98b31466ef6afb3dc926681d28dc37ed8cb8976..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/canvas/webgl/webgl-depth-texture.html
+++ /dev/null
@@ -1,321 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<meta charset="utf-8">
-<script src="../../../resources/js-test.js"></script>
-<script src="resources/webgl-test.js"></script>
-<script src="resources/webgl-test-utils.js"></script>
-<title>WebGL WEBGL_depth_texture Conformance Tests</title>
-</head>
-<body>
-<script id="vshader" type="x-shader/x-vertex">
-attribute vec4 a_position;
-void main()
-{
- gl_Position = a_position;
-}
-</script>
-
-<script id="fshader" type="x-shader/x-fragment">
-precision mediump float;
-uniform sampler2D u_texture;
-uniform vec2 u_resolution;
-void main()
-{
- vec2 texcoord = gl_FragCoord.xy / u_resolution;
- gl_FragColor = texture2D(u_texture, texcoord);
-}
-</script>
-<div id="description"></div>
-<div id="console"></div>
-<canvas id="canvas" width="8" height="8" style="width: 8px; height: 8px;"></canvas>
-<script>
-if (window.initNonKhronosFramework) {
- window.initNonKhronosFramework(false);
-}
-description("This test verifies the functionality of the WEBGL_depth_texture extension, if it is available.");
-
-debug("");
-
-if (window.internals)
- window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
-
-var wtu = WebGLTestUtils;
-var canvas = document.getElementById("canvas");
-var gl = wtu.create3DContext(canvas, {antialias: false});
-var program = wtu.setupTexturedQuad(gl);
-var ext = null;
-var vao = null;
-var tex;
-var name;
-var supportedFormats;
-
-if (!gl) {
- testFailed("WebGL context does not exist");
-} else {
- testPassed("WebGL context exists");
-
- // Run tests with extension disabled
- runTestDisabled();
-
- // Query the extension and store globally so shouldBe can access it
- ext = gl.getExtension("WEBGL_depth_texture");
- if (!ext) {
- testPassed("No WEBGL_depth_texture support -- this is legal");
- runSupportedTest(false);
- } else {
- testPassed("Successfully enabled WEBGL_depth_texture extension");
-
- runSupportedTest(true);
- runTestExtension();
- }
-}
-
-function runSupportedTest(extensionEnabled) {
- var name = wtu.getSupportedExtensionWithKnownPrefixes(gl, "WEBGL_depth_texture");
- if (name !== undefined) {
- if (extensionEnabled) {
- testPassed("WEBGL_depth_texture listed as supported and getExtension succeeded");
- } else {
- testFailed("WEBGL_depth_texture listed as supported but getExtension failed");
- }
- } else {
- if (extensionEnabled) {
- testFailed("WEBGL_depth_texture not listed as supported but getExtension succeeded");
- } else {
- testPassed("WEBGL_depth_texture not listed as supported and getExtension failed -- this is legal");
- }
- }
-}
-
-
-function runTestDisabled() {
- debug("Testing binding enum with extension disabled");
-
- var tex = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_2D, tex);
- shouldGenerateGLError(gl, [gl.INVALID_ENUM, gl.INVALID_VALUE], 'gl.texImage2D(gl.TEXTURE_2D, 0, gl.DEPTH_COMPONENT, 1, 1, 0, gl.DEPTH_COMPONENT, gl.UNSIGNED_SHORT, null)');
- shouldGenerateGLError(gl, [gl.INVALID_ENUM, gl.INVALID_VALUE], 'gl.texImage2D(gl.TEXTURE_2D, 0, gl.DEPTH_COMPONENT, 1, 1, 0, gl.DEPTH_COMPONENT, gl.UNSIGNED_INT, null)');
-}
-
-
-function dumpIt(gl, res, msg) {
- return; // comment out to debug
- debug(msg);
- var actualPixels = new Uint8Array(res * res * 4);
- gl.readPixels(0, 0, res, res, gl.RGBA, gl.UNSIGNED_BYTE, actualPixels);
-
- for (var yy = 0; yy < res; ++yy) {
- var strs = [];
- for (var xx = 0; xx < res; ++xx) {
- var actual = (yy * res + xx) * 4;
- strs.push("(" + actualPixels[actual] + "," + actualPixels[actual+1] + "," + actualPixels[actual + 2] + "," + actualPixels[actual + 3] + ")");
- }
- debug(strs.join(" "));
- }
-}
-function runTestExtension() {
- debug("Testing WEBGL_depth_texture");
-
- var res = 8;
-
- // make canvas for testing.
- canvas2 = document.createElement("canvas");
- canvas2.width = res;
- canvas2.height = res;
- var ctx = canvas2.getContext("2d");
- ctx.fillStyle = "blue";
- ctx.fillRect(0, 0, canvas2.width, canvas2.height);
-
- var program = wtu.setupProgram(gl, ['vshader', 'fshader'], ['a_position']);
- gl.useProgram(program);
- gl.uniform2f(gl.getUniformLocation(program, "u_resolution"), res, res);
-
- var buffer = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
- gl.bufferData(
- gl.ARRAY_BUFFER,
- new Float32Array(
- [ 1, 1, 1,
- -1, 1, 0,
- -1, -1, -1,
- 1, 1, 1,
- -1, -1, -1,
- 1, -1, 0,
- ]),
- gl.STATIC_DRAW);
- gl.enableVertexAttribArray(0);
- gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
-
- var types = [
- {obj: 'gl', attachment: 'DEPTH_ATTACHMENT', format: 'DEPTH_COMPONENT', type: 'UNSIGNED_SHORT', data: 'new Uint16Array(1)' },
- {obj: 'gl', attachment: 'DEPTH_ATTACHMENT', format: 'DEPTH_COMPONENT', type: 'UNSIGNED_INT', data: 'new Uint32Array(1)' },
- {obj: 'ext', attachment: 'DEPTH_STENCIL_ATTACHMENT', format: 'DEPTH_STENCIL', type: 'UNSIGNED_INT_24_8_WEBGL', data: 'new Uint32Array(1)' }
- ];
-
- for (var ii = 0; ii < types.length; ++ii) {
- var typeInfo = types[ii];
- var type = typeInfo.type;
- var typeStr = typeInfo.obj + '.' + type;
-
- debug("");
- debug("testing: " + type);
-
- // check that cubemaps are not allowed.
- var cubeTex = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_CUBE_MAP, cubeTex);
- var targets = [
- 'TEXTURE_CUBE_MAP_POSITIVE_X',
- 'TEXTURE_CUBE_MAP_NEGATIVE_X',
- 'TEXTURE_CUBE_MAP_POSITIVE_Y',
- 'TEXTURE_CUBE_MAP_NEGATIVE_Y',
- 'TEXTURE_CUBE_MAP_POSITIVE_Z',
- 'TEXTURE_CUBE_MAP_NEGATIVE_Z'
- ];
- for (var tt = 0; tt < targets.length; ++tt) {
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, 'gl.texImage2D(gl.' + targets[ii] + ', 1, gl.' + typeInfo.format + ', 1, 1, 0, gl.' + typeInfo.format + ', ' + typeStr + ', null)');
- }
-
- // check 2d textures.
- 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);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
-
- // test level > 0
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, 'gl.texImage2D(gl.TEXTURE_2D, 1, gl.' + typeInfo.format + ', 1, 1, 0, gl.' + typeInfo.format + ', ' + typeStr + ', null)');
-
- // test with data
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, 'gl.texImage2D(gl.TEXTURE_2D, 0, gl.' + typeInfo.format + ', 1, 1, 0, gl.' + typeInfo.format + ', ' + typeStr + ', ' + typeInfo.data + ')');
-
- // test with canvas
- shouldGenerateGLError(gl, [gl.INVALID_VALUE, gl.INVALID_ENUM, gl.INVALID_OPERATION], 'gl.texImage2D(gl.TEXTURE_2D, 0, gl.' + typeInfo.format + ', gl.' + typeInfo.format + ', ' + typeStr + ', canvas2)');
-
- // test copyTexImage2D
- shouldGenerateGLError(gl, [gl.INVALID_ENUM, gl.INVALID_OPERATION], 'gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.' + typeInfo.format + ', 0, 0, 1, 1, 0)');
-
- // test real thing
- shouldGenerateGLError(gl, gl.NO_ERROR, 'gl.texImage2D(gl.TEXTURE_2D, 0, gl.' + typeInfo.format + ', ' + res + ', ' + res + ', 0, gl.' + typeInfo.format + ', ' + typeStr + ', null)');
-
- // test texSubImage2D
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, 'gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 1, 1, gl.' + typeInfo.format + ', ' + typeStr + ', ' + typeInfo.data + ')');
-
- // test copyTexSubImage2D
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, 'gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, 1, 1)');
-
- // test generateMipmap
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, 'gl.generateMipmap(gl.TEXTURE_2D)');
-
- var fbo = gl.createFramebuffer();
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- gl.framebufferTexture2D(gl.FRAMEBUFFER, gl[typeInfo.attachment], gl.TEXTURE_2D, tex, 0);
- // TODO: remove this check if the spec is updated to require these combinations to work.
- if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE)
- {
- // try adding a color buffer.
- var colorTex = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_2D, colorTex);
- 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);
- gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, res, res, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
- gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, colorTex, 0);
- }
-
- shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE');
-
- // use the default texture to render with while we return to the depth texture.
- gl.bindTexture(gl.TEXTURE_2D, null);
-
- // render the z-quad
- gl.enable(gl.DEPTH_TEST);
- gl.clearColor(1, 0, 0, 1);
- gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
- gl.drawArrays(gl.TRIANGLES, 0, 6);
-
- dumpIt(gl, res, "--first--");
-
- // render the depth texture.
- gl.bindFramebuffer(gl.FRAMEBUFFER, null);
- gl.bindTexture(gl.TEXTURE_2D, tex);
- gl.clearColor(0, 0, 1, 1);
- gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
- gl.drawArrays(gl.TRIANGLES, 0, 6);
-
- var actualPixels = new Uint8Array(res * res * 4);
- gl.readPixels(0, 0, res, res, gl.RGBA, gl.UNSIGNED_BYTE, actualPixels);
-
- dumpIt(gl, res, "--depth--");
-
- // Check that each pixel's RGB are the same and that it's value is less
- // than the previous pixel in either direction. Basically verify we have a
- // gradient.
- var success = true;
- for (var yy = 0; yy < res; ++yy) {
- for (var xx = 0; xx < res; ++xx) {
- var actual = (yy * res + xx) * 4;
- var left = actual - 4;
- var down = actual - res * 4;
-
- if (actualPixels[actual + 0] != actualPixels[actual + 1]) {
- testFailed('R != G');
- success = false;
- }
- if (actualPixels[actual + 0] != actualPixels[actual + 2]) {
- testFailed('R != B');
- success = false;
- }
- // ALPHA is implementation dependent
- if (actualPixels[actual + 3] != 0xFF && actualPixels[actual + 3] != actualPixels[actual + 0]) {
- testFailed('A != 255 && A != R');
- success = false;
- }
-
- if (xx > 0) {
- if (actualPixels[actual] <= actualPixels[left]) {
- testFailed("actual(" + actualPixels[actual] + ") < left(" + actualPixels[left] + ")");
- success = false;
- }
- }
- if (yy > 0) {
- if (actualPixels[actual] <= actualPixels[down]) {
- testFailed("actual(" + actualPixels[actual] + ") < down(" + actualPixels[down] + ")");
- success = false;
- }
- }
- }
- }
-
- // Check that bottom left corner is vastly different thatn top right.
- if (actualPixels[(res * res - 1) * 4] - actualPixels[0] < 0xC0) {
- testFailed("corners are not different enough");
- success = false;
- }
-
- if (success) {
- testPassed("depth texture rendered correctly.");
- }
-
- // check limitations
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- gl.framebufferTexture2D(gl.FRAMEBUFFER, gl[typeInfo.attachment], gl.TEXTURE_2D, null, 0);
- var badAttachment = typeInfo.attachment == 'DEPTH_ATTACHMENT' ? 'DEPTH_STENCIL_ATTACHMENT' : 'DEPTH_ATTACHMENT';
- shouldGenerateGLError(gl, gl.NO_ERROR, 'gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.' + badAttachment + ', gl.TEXTURE_2D, tex, 0)');
- shouldNotBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE');
- shouldGenerateGLError(gl, gl.INVALID_FRAMEBUFFER_OPERATION, 'gl.clear(gl.DEPTH_BUFFER_BIT)');
- gl.bindFramebuffer(gl.FRAMEBUFFER, null);
- shouldBe('gl.getError()', 'gl.NO_ERROR');
- }
-}
-
-debug("");
-successfullyParsed = true;
-if (window.nonKhronosFrameworkNotifyDone) {
- window.nonKhronosFrameworkNotifyDone();
-}
-</script>
-</body>
-</html>
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