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Unified Diff: conformance/uninitialized-test.html

Issue 8344024: Remove older revision of webgl conformance tests. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 9 years, 2 months ago
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Index: conformance/uninitialized-test.html
===================================================================
--- conformance/uninitialized-test.html (revision 106149)
+++ conformance/uninitialized-test.html (working copy)
@@ -1,167 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<meta charset="utf-8">
-<title>WebGL Uninitialized GL Resources Tests</title>
-<link rel="stylesheet" href="../resources/js-test-style.css"/>
-<script src="../resources/js-test-pre.js"></script>
-<script src="resources/webgl-test.js"></script>
-</head>
-<body>
-<div id="description"></div>
-<div id="console"></div>
-<canvas id="canvas" width="2" height="2"> </canvas>
-<script>
-description("Tests to check user code cannot access uninitialized data from GL resources.");
-
-var canvas = document.getElementById("canvas");
-var gl = create3DContext(canvas);
-if (!gl)
- testFailed("Context created.");
-else
- testPassed("Context created.");
-
-function setupTexture(texWidth, texHeight) {
- var texture = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_2D, texture);
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texWidth, texHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
-
- // this can be quite undeterministic so to improve odds of seeing uninitialized data write bits
- // into tex then delete texture then re-create one with same characteristics (driver will likely reuse mem)
- // with this trick on r59046 WebKit/OSX I get FAIL 100% of the time instead of ~15% of the time.
-
- var badData = new Uint8Array(texWidth * texHeight * 4);
- for (var i = 0; i < badData.length; ++i)
- badData[i] = i % 255;
-
- gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, texWidth, texHeight, gl.RGBA, gl.UNSIGNED_BYTE, badData);
- gl.finish(); // make sure it has been uploaded
-
- gl.deleteTexture(texture);
- gl.finish(); // make sure it has been deleted
-
- var texture = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_2D, texture);
- return texture;
-}
-
-function checkNonZeroPixels(texture, texWidth, texHeight, skipX, skipY, skipWidth, skipHeight, skipR, skipG, skipB, skipA) {
- gl.bindTexture(gl.TEXTURE_2D, null);
- var fb = gl.createFramebuffer();
- gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
- gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0);
- shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
-
- var data = new Uint8Array(texWidth * texHeight * 4);
- gl.readPixels(0, 0, texWidth, texHeight, gl.RGBA, gl.UNSIGNED_BYTE, data);
-
- var k = 0;
- for (var y = 0; y < texHeight; ++y) {
- for (var x = 0; x < texWidth; ++x) {
- var index = (y * texWidth + x) * 4;
- if (x >= skipX && x < skipX + skipWidth && y >= skipY && y < skipY + skipHeight) {
- if (data[index] != skipR || data[index + 1] != skipG || data[index + 2] != skipB || data[index + 3] != skipA) {
- testFailed("non-zero pixel values are wrong");
- return;
- }
- } else {
- for (var i = 0; i < 4; ++i) {
- if (data[index + i] != 0)
- k++;
- }
- }
- }
- }
- if (k) {
- testFailed("Found " + k + " non-zero bytes");
- } else {
- testPassed("All data initialized");
- }
-}
-
-var width = 512;
-var height = 512;
-
-debug("");
-debug("Reading an uninitialized texture (texImage2D) should succeed with all bytes set to 0.");
-
-var tex = setupTexture(width, height);
-gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
-checkNonZeroPixels(tex, width, height, 0, 0, 0, 0, 0, 0, 0, 0);
-gl.deleteTexture(tex);
-gl.finish();
-glErrorShouldBe(gl, gl.NO_ERROR);
-
-debug("");
-debug("Reading an uninitialized portion of a texture (copyTexImage2D) should succeed with all bytes set to 0.");
-
-var tex = setupTexture(width, height);
-var fbo = gl.createFramebuffer();
-gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
-var rbo = gl.createRenderbuffer();
-gl.bindRenderbuffer(gl.RENDERBUFFER, rbo);
-var fboWidth = 16;
-var fboHeight = 16;
-gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, fboWidth, fboHeight);
-gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo);
-shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
-gl.clearColor(1.0, 0.0, 0.0, 1.0);
-gl.clear(gl.COLOR_BUFFER_BIT);
-glErrorShouldBe(gl, gl.NO_ERROR);
-gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0, 0, width, height, 0);
-checkNonZeroPixels(tex, width, height, 0, 0, fboWidth, fboHeight, 255, 0, 0, 255);
-gl.deleteTexture(tex);
-gl.finish();
-glErrorShouldBe(gl, gl.NO_ERROR);
-
-debug("");
-debug("Reading an uninitialized portion of a texture (copyTexImage2D with negative x and y) should succeed with all bytes set to 0.");
-
-var tex = setupTexture(width, height);
-var fbo = gl.createFramebuffer();
-gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
-var rbo = gl.createRenderbuffer();
-gl.bindRenderbuffer(gl.RENDERBUFFER, rbo);
-var fboWidth = 16;
-var fboHeight = 16;
-gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, fboWidth, fboHeight);
-gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo);
-shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
-gl.clearColor(1.0, 0.0, 0.0, 1.0);
-gl.clear(gl.COLOR_BUFFER_BIT);
-glErrorShouldBe(gl, gl.NO_ERROR);
-var x = -8;
-var y = -8;
-gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, x, y, width, height, 0);
-checkNonZeroPixels(tex, width, height, -x, -y, fboWidth, fboHeight, 255, 0, 0, 255);
-gl.deleteTexture(tex);
-gl.finish();
-glErrorShouldBe(gl, gl.NO_ERROR);
-
-debug("");
-debug("Reading an uninitialized portion of a texture (copyTexImage2D from WebGL internal fbo) should succeed with all bytes set to 0.");
-
-var tex = setupTexture(width, height);
-gl.bindFramebuffer(gl.FRAMEBUFFER, null);
-gl.clearColor(0.0, 1.0, 0.0, 0.0);
-gl.clear(gl.COLOR_BUFFER_BIT);
-glErrorShouldBe(gl, gl.NO_ERROR);
-gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0, 0, width, height, 0);
-checkNonZeroPixels(tex, width, height, 0, 0, canvas.width, canvas.height, 0, 255, 0, 0);
-gl.deleteTexture(tex);
-gl.finish();
-glErrorShouldBe(gl, gl.NO_ERROR);
-
-//TODO: uninitialized vertex array buffer
-//TODO: uninitialized vertex elements buffer
-//TODO: uninitialized framebuffer? (implementations would need to do a GL clear at first binding?)
-//TODO: uninitialized renderbuffer? (implementations would need to do a GL clear at first binding?)
-//TODO: uninitialized uniform arrays?
-
-debug("");
-successfullyParsed = true;
-</script>
-<script src="../resources/js-test-post.js"></script>
-</body>
-</html>
-
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