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Unified Diff: conformance/renderbuffers/framebuffer-object-attachment.html

Issue 8342021: Add webgl conformance tests r15841. (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/renderbuffers/framebuffer-object-attachment.html
===================================================================
--- conformance/renderbuffers/framebuffer-object-attachment.html (revision 0)
+++ conformance/renderbuffers/framebuffer-object-attachment.html (revision 0)
@@ -0,0 +1,186 @@
+<!--
+Copyright (c) 2011 The Chromium Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+ -->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<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>
+
+<script>
+
+var gl;
+var fbo;
+var depthBuffer;
+var stencilBuffer;
+var depthStencilBuffer;
+var colorBuffer;
+var width;
+var height;
+
+function testAttachment(attachment, buffer, isConflicted)
+{
+ shouldBeNonNull("fbo = gl.createFramebuffer()");
+ gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment, gl.RENDERBUFFER, buffer);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ // If the framebuffer is in an error state for multiple reasons,
+ // we can't guarantee which one will be reported.
+ if ((width == 0 || height == 0) && !isConflicted) {
+ // Zero-sized renderbuffers are supposed to result in an incomplete attachment.
+ // However, certain combination may violate implementation specific restrictions.
+ shouldBeTrue("gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT || gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_UNSUPPORTED");
+ } else if (isConflicted) {
+ shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_UNSUPPORTED");
+ gl.clear(gl.COLOR_BUFFER_BIT);
+ glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION);
+ gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(width * height * 4));
+ glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION);
+ }
+}
+
+function testAttachments(attachment0, buffer0, attachment1, buffer1, isConflicted)
+{
+ shouldBeNonNull("fbo = gl.createFramebuffer()");
+ gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment0, gl.RENDERBUFFER, buffer0);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment1, gl.RENDERBUFFER, buffer1);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ // If the framebuffer is in an error state for multiple reasons,
+ // we can't guarantee which one will be reported.
+ if ((width == 0 || height == 0) && !isConflicted) {
+ // Zero-sized renderbuffers are supposed to result in an incomplete attachment.
+ // However, certain combination may violate implementation specific restrictions.
+ shouldBeTrue("gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT || gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_UNSUPPORTED");
+ } else if (isConflicted) {
+ shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_UNSUPPORTED");
+ }
+}
+
+function testColorRenderbuffer(internalformat)
+{
+ shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
+ gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, internalformat, width, height);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ testAttachment(gl.COLOR_ATTACHMENT0, colorBuffer, false);
+}
+
+function testDepthStencilRenderbuffer()
+{
+ shouldBeNonNull("depthStencilBuffer = gl.createRenderbuffer()");
+ gl.bindRenderbuffer(gl.RENDERBUFFER, depthStencilBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL, width, height);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+
+ // OpenGL itself doesn't seem to guarantee that e.g. a 2 x 0
+ // renderbuffer will report 2 for its width when queried.
+ if (!(height == 0 && width > 0))
+ shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_WIDTH)", "width");
+ if (!(width == 0 && height > 0))
+ shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_HEIGHT)", "height");
+ shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_INTERNAL_FORMAT)", "gl.DEPTH_STENCIL");
+ shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_RED_SIZE)", "0");
+ shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_GREEN_SIZE)", "0");
+ shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_BLUE_SIZE)", "0");
+ shouldBe("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_ALPHA_SIZE)", "0");
+ // Avoid verifying these for zero-sized renderbuffers for the time
+ // being since it appears that even OpenGL doesn't guarantee them.
+ if (width > 0 && height > 0) {
+ shouldBeTrue("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_DEPTH_SIZE) > 0");
+ shouldBeTrue("gl.getRenderbufferParameter(gl.RENDERBUFFER, gl.RENDERBUFFER_STENCIL_SIZE) > 0");
+ }
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, false);
+}
+
+description("Test framebuffer object attachment behaviors");
+
+for (width = 0; width <= 2; width += 2)
+{
+ for (height = 0; height <= 2; height += 2)
+ {
+ debug("Dimensions " + width + " x " + height);
+
+ debug("Create renderbuffers");
+ shouldBeNonNull("gl = create3DContext()");
+ shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
+ gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, width, height);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
+ gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, width, height);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ shouldBeNonNull("stencilBuffer = gl.createRenderbuffer()");
+ gl.bindRenderbuffer(gl.RENDERBUFFER, stencilBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.STENCIL_INDEX8, width, height);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+ shouldBeNonNull("depthStencilBuffer = gl.createRenderbuffer()");
+ gl.bindRenderbuffer(gl.RENDERBUFFER, depthStencilBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL, width, height);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+
+ debug("Attach depth using DEPTH_ATTACHMENT");
+ testAttachment(gl.DEPTH_ATTACHMENT, depthBuffer, false);
+ debug("Attach depth using STENCIL_ATTACHMENT");
+ testAttachment(gl.STENCIL_ATTACHMENT, depthBuffer, true);
+ debug("Attach depth using DEPTH_STENCIL_ATTACHMENT");
+ testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthBuffer, true);
+ debug("Attach stencil using STENCIL_ATTACHMENT");
+ testAttachment(gl.STENCIL_ATTACHMENT, stencilBuffer, false);
+ debug("Attach stencil using DEPTH_ATTACHMENT");
+ testAttachment(gl.DEPTH_ATTACHMENT, stencilBuffer, true);
+ debug("Attach stencil using DEPTH_STENCIL_ATTACHMENT");
+ testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, stencilBuffer, true);
+ debug("Attach depthStencil using DEPTH_STENCIL_ATTACHMENT");
+ testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, false);
+ debug("Attach depthStencil using DEPTH_ATTACHMENT");
+ testAttachment(gl.DEPTH_ATTACHMENT, depthStencilBuffer, true);
+ debug("Attach depthStencil using STENCIL_ATTACHMENT");
+ testAttachment(gl.STENCIL_ATTACHMENT, depthStencilBuffer, true);
+
+ debug("Attach depth, then stencil, causing conflict");
+ testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.STENCIL_ATTACHMENT, stencilBuffer, true);
+ debug("Attach stencil, then depth, causing conflict");
+ testAttachments(gl.STENCIL_ATTACHMENT, stencilBuffer, gl.DEPTH_ATTACHMENT, depthBuffer, true);
+ debug("Attach depth, then depthStencil, causing conflict");
+ testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, true);
+ debug("Attach depthStencil, then depth, causing conflict");
+ testAttachments(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, gl.DEPTH_ATTACHMENT, depthBuffer, true);
+ debug("Attach stencil, then depthStencil, causing conflict");
+ testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, true);
+ debug("Attach depthStencil, then stencil, causing conflict");
+ testAttachments(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, gl.STENCIL_ATTACHMENT, stencilBuffer, true);
+
+ debug("Attach color renderbuffer with internalformat == RGBA4");
+ testColorRenderbuffer(gl.RGBA4);
+
+ debug("Attach color renderbuffer with internalformat == RGB5_A1");
+ testColorRenderbuffer(gl.RGB5_A1);
+
+ debug("Attach color renderbuffer with internalformat == RGB565");
+ testColorRenderbuffer(gl.RGB565);
+
+ debug("Create and attach depthStencil renderbuffer");
+ testDepthStencilRenderbuffer();
+ }
+}
+
+successfullyParsed = true;
+</script>
+
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
Property changes on: conformance/renderbuffers/framebuffer-object-attachment.html
___________________________________________________________________
Added: svn:eol-style
+ LF
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