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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/webgl/framebuffer-object-attachment.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/framebuffer-object-attachment.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/webgl/framebuffer-object-attachment.html b/third_party/WebKit/LayoutTests/fast/canvas/webgl/framebuffer-object-attachment.html
deleted file mode 100644
index aae290d8e7a625265e4674b493fdafaa76bf18d3..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/canvas/webgl/framebuffer-object-attachment.html
+++ /dev/null
@@ -1,533 +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>
-</head>
-<body>
-<div id="description"></div>
-<div id="console"></div>
-
-<script>
-if (window.internals)
- window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
-
-var wtu = WebGLTestUtils;
-var gl;
-var fbo;
-var depthBuffer;
-var stencilBuffer;
-var depthStencilBuffer;
-var colorBuffer;
-var width;
-var height;
-
-const ALLOW_COMPLETE = 0x01;
-const ALLOW_UNSUPPORTED = 0x02;
-const ALLOW_INCOMPLETE_ATTACHMENT = 0x04;
-
-function checkFramebufferForAllowedStatuses(allowedStatuses)
-{
- // If the framebuffer is in an error state for multiple reasons,
- // we can't guarantee which one will be reported.
- var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
- var statusAllowed = ((allowedStatuses & ALLOW_COMPLETE) && (status == gl.FRAMEBUFFER_COMPLETE)) ||
- ((allowedStatuses & ALLOW_UNSUPPORTED) && (status == gl.FRAMEBUFFER_UNSUPPORTED)) ||
- ((allowedStatuses & ALLOW_INCOMPLETE_ATTACHMENT) && (status == gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT));
- var msg = "gl.checkFramebufferStatus(gl.FRAMEBUFFER) returned " + status;
- if (statusAllowed)
- testPassed(msg);
- else
- testFailed(msg);
-}
-
-function checkBufferBits(attachment0, attachment1)
-{
- if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE)
- return;
-
- var haveDepthBuffer = attachment0 == gl.DEPTH_ATTACHMENT ||
- attachment0 == gl.DEPTH_STENCIL_ATTACHMENT ||
- attachment1 == gl.DEPTH_ATTACHMENT ||
- attachment1 == gl.DEPTH_STENCIL_ATTACHMENT;
- var haveStencilBuffer = attachment0 == gl.STENCIL_ATTACHMENT ||
- attachment0 == gl.DEPTH_STENCIL_ATTACHMENT ||
- attachment1 == gl.STENCIL_ATTACHMENT ||
- attachment1 == gl.DEPTH_STENCIL_ATTACHMENT;
-
- shouldBeTrue("gl.getParameter(gl.RED_BITS) + gl.getParameter(gl.GREEN_BITS) + gl.getParameter(gl.BLUE_BITS) + gl.getParameter(gl.ALPHA_BITS) >= 16");
-
- if (haveDepthBuffer)
- shouldBeTrue("gl.getParameter(gl.DEPTH_BITS) >= 16");
- else
- shouldBeTrue("gl.getParameter(gl.DEPTH_BITS) == 0");
-
- if (haveStencilBuffer)
- shouldBeTrue("gl.getParameter(gl.STENCIL_BITS) >= 8");
- else
- shouldBeTrue("gl.getParameter(gl.STENCIL_BITS) == 0");
-}
-
-function testAttachment(attachment, buffer, allowedStatuses)
-{
- 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);
- checkFramebufferForAllowedStatuses(allowedStatuses);
- if ((allowedStatuses & ALLOW_COMPLETE) == 0) {
- 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);
- }
- checkBufferBits(attachment);
- gl.deleteFramebuffer(fbo);
-}
-
-function testAttachments(attachment0, buffer0, attachment1, buffer1, allowedStatuses)
-{
- 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);
- checkFramebufferForAllowedStatuses(allowedStatuses);
- checkBufferBits(attachment0, attachment1);
- gl.deleteFramebuffer(fbo);
-}
-
-function testColorRenderbuffer(internalformat, allowedStatuses)
-{
- 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, allowedStatuses);
-}
-
-function testDepthStencilRenderbuffer(allowedStatuses)
-{
- 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, allowedStatuses);
- testDepthStencilDepthStencil();
-}
-
-function testDepthStencilDepthStencil()
-{
- if (!width || !height) {
- return;
- }
-
- var tests = [
- { firstFormat: gl.DEPTH_COMPONENT16,
- firstAttach: gl.DEPTH_ATTACHMENT,
- secondFormat: gl.DEPTH_STENCIL,
- secondAttach: gl.DEPTH_STENCIL_ATTACHMENT
- },
- { firstFormat: gl.DEPTH_STENCIL,
- firstAttach: gl.DEPTH_STENCIL_ATTACHMENT,
- secondFormat: gl.DEPTH_COMPONENT16,
- secondAttach: gl.DEPTH_ATTACHMENT
- }
- ];
- for (var ii = 0; ii < tests.length; ++ii) {
- var test = tests[ii];
- for (var jj = 0; jj < 2; ++jj) {
- var fbo = gl.createFramebuffer();
- var tex = gl.createTexture();
- var firstRb = gl.createRenderbuffer();
-
- debug("");
- debug("test: " + wtu.glEnumToString(gl, test.firstFormat) + " vs " + wtu.glEnumToString(gl, test.secondFormat) + " with " + (jj ? "unbind" : "delete"));
-
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- // attach texture as color
- gl.bindTexture(gl.TEXTURE_2D, tex);
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
- gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
-
- // attach first
- gl.bindRenderbuffer(gl.RENDERBUFFER, firstRb);
- gl.renderbufferStorage(gl.RENDERBUFFER, test.firstFormat, width, height);
- gl.framebufferRenderbuffer(gl.FRAMEBUFFER, test.firstAttach, gl.RENDERBUFFER, firstRb);
-
- if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
- gl.enable(gl.DEPTH_TEST);
- var program = wtu.setupColorQuad(gl);
- // Test it works
- wtu.drawUByteColorQuad(gl, [0, 255, 0, 255]);
- wtu.drawUByteColorQuad(gl, [255, 0, 0, 255]); // should not draw since DEPTH_FUNC == LESS
- wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 0, 255], "should be green");
-
- var secondRb = gl.createRenderbuffer();
-
- // attach second
- gl.bindRenderbuffer(gl.RENDERBUFFER, secondRb);
- gl.renderbufferStorage(gl.RENDERBUFFER, test.secondFormat, width, height);
- gl.framebufferRenderbuffer(gl.FRAMEBUFFER, test.secondAttach, gl.RENDERBUFFER, secondRb);
-
- if (jj == 0) {
- // now delete it
- debug("test deleting second renderbuffer");
- gl.deleteRenderbuffer(secondRb);
- } else {
- // unbind it
- debug("test unbinding second renderbuffer");
- gl.framebufferRenderbuffer(gl.FRAMEBUFFER, test.secondAttach, gl.RENDERBUFFER, null);
- }
-
- // If the first attachment is not restored this may fail
- shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE');
- glErrorShouldBe(gl, gl.NO_ERROR);
-
- // If the first attachment is not restored this may fail.
- gl.clear(gl.DEPTH_BUFFER_BIT);
- wtu.drawUByteColorQuad(gl, [0, 255, 0, 255]);
- wtu.drawUByteColorQuad(gl, [255, 0, 0, 255]); // should not draw since DEPTH_FUNC == LESS
- wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 0, 255], "should be green");
- gl.disable(gl.DEPTH_TEST);
-
- if (jj == 1) {
- gl.deleteRenderbuffer(secondRb);
- }
- }
-
- gl.deleteRenderbuffer(secondRb);
- gl.deleteFramebuffer(fbo);
- }
- }
- glErrorShouldBe(gl, gl.NO_ERROR);
-}
-
-description("Test framebuffer object attachment behaviors");
-
-for (width = 0; width <= 2; width += 2)
-{
- for (height = 0; height <= 2; height += 2)
- {
- debug("");
- 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);
-
- var allowedStatusForGoodCase
- = (width == 0 || height == 0) ? ALLOW_INCOMPLETE_ATTACHMENT : ALLOW_COMPLETE;
-
- // some cases involving stencil seem to be implementation-dependent
- var allowedStatusForImplDependentCase = allowedStatusForGoodCase | ALLOW_UNSUPPORTED;
-
- debug("Attach depth using DEPTH_ATTACHMENT");
- testAttachment(gl.DEPTH_ATTACHMENT, depthBuffer, allowedStatusForGoodCase);
- debug("Attach depth using STENCIL_ATTACHMENT");
- testAttachment(gl.STENCIL_ATTACHMENT, depthBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
- debug("Attach depth using DEPTH_STENCIL_ATTACHMENT");
- testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
- debug("Attach stencil using STENCIL_ATTACHMENT");
- testAttachment(gl.STENCIL_ATTACHMENT, stencilBuffer, allowedStatusForImplDependentCase);
- debug("Attach stencil using DEPTH_ATTACHMENT");
- testAttachment(gl.DEPTH_ATTACHMENT, stencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
- debug("Attach stencil using DEPTH_STENCIL_ATTACHMENT");
- testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, stencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
- debug("Attach depthStencil using DEPTH_STENCIL_ATTACHMENT");
- testAttachment(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, allowedStatusForGoodCase);
- debug("Attach depthStencil using DEPTH_ATTACHMENT");
- testAttachment(gl.DEPTH_ATTACHMENT, depthStencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
- debug("Attach depthStencil using STENCIL_ATTACHMENT");
- testAttachment(gl.STENCIL_ATTACHMENT, depthStencilBuffer, ALLOW_INCOMPLETE_ATTACHMENT);
-
- var allowedStatusForConflictedAttachment
- = (width == 0 || height == 0) ? ALLOW_UNSUPPORTED | ALLOW_INCOMPLETE_ATTACHMENT
- : ALLOW_UNSUPPORTED;
-
- debug("Attach depth, then stencil, causing conflict");
- testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.STENCIL_ATTACHMENT, stencilBuffer, allowedStatusForConflictedAttachment);
- debug("Attach stencil, then depth, causing conflict");
- testAttachments(gl.STENCIL_ATTACHMENT, stencilBuffer, gl.DEPTH_ATTACHMENT, depthBuffer, allowedStatusForConflictedAttachment);
- debug("Attach depth, then depthStencil, causing conflict");
- testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, allowedStatusForConflictedAttachment);
- debug("Attach depthStencil, then depth, causing conflict");
- testAttachments(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, gl.DEPTH_ATTACHMENT, depthBuffer, allowedStatusForConflictedAttachment);
- debug("Attach stencil, then depthStencil, causing conflict");
- testAttachments(gl.DEPTH_ATTACHMENT, depthBuffer, gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, allowedStatusForConflictedAttachment);
- debug("Attach depthStencil, then stencil, causing conflict");
- testAttachments(gl.DEPTH_STENCIL_ATTACHMENT, depthStencilBuffer, gl.STENCIL_ATTACHMENT, stencilBuffer, allowedStatusForConflictedAttachment);
-
- debug("Attach color renderbuffer with internalformat == RGBA4");
- testColorRenderbuffer(gl.RGBA4, allowedStatusForGoodCase);
-
- debug("Attach color renderbuffer with internalformat == RGB5_A1");
- testColorRenderbuffer(gl.RGB5_A1, allowedStatusForGoodCase);
-
- debug("Attach color renderbuffer with internalformat == RGB565");
- testColorRenderbuffer(gl.RGB565, allowedStatusForGoodCase);
-
- debug("Create and attach depthStencil renderbuffer");
- testDepthStencilRenderbuffer(allowedStatusForGoodCase);
- }
-}
-
-// Determine if we can attach both color and depth or color and depth_stencil
-var depthFormat;
-var depthAttachment;
-
-function checkValidColorDepthCombination() {
- shouldBeNonNull("fbo = gl.createFramebuffer()");
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
-
- shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
-
- return tryDepth(gl.DEPTH_COMPONENT16, gl.DEPTH_ATTACHMENT) || tryDepth(gl.DEPTH_STENCIL, gl.DEPTH_STENCIL_ATTACHMENT);
-
- function tryDepth(try_format, try_attachment) {
- if (depthAttachment) {
- // If we've tried once unattach the old one.
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, null);
- }
- depthFormat = try_format;
- depthAttachment = try_attachment;
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, depthBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
- glErrorShouldBe(gl, gl.NO_ERROR);
- return gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE;
- }
-}
-
-if (checkValidColorDepthCombination()) {
- testFramebufferIncompleteDimensions();
- testFramebufferIncompleteAttachment();
- testFramebufferIncompleteMissingAttachment();
- testUsingIncompleteFramebuffer();
-}
-
-function checkFramebuffer(expected) {
- var actual = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
- var msg = "gl.checkFramebufferStatus(gl.FRAMEBUFFER) should be " + wtu.glEnumToString(gl, expected) + " was " + wtu.glEnumToString(gl, actual);
- if (expected != gl.FRAMEBUFFER_COMPLETE) {
- msg += " or FRAMEBUFFER_UNSUPPORTED";
- }
- if (actual == expected ||
- (expected != gl.FRAMEBUFFER_COMPLETE &&
- actual == gl.FRAMBUFFER_UNSUPPORTED)) {
- testPassed(msg);
- } else {
- testFailed(msg);
- }
-}
-
-function testUsingIncompleteFramebuffer() {
- debug("");
- debug("Test drawing or reading from an incomplete framebuffer");
- var program = wtu.setupTexturedQuad(gl);
- var tex = gl.createTexture();
- wtu.fillTexture(gl, tex, 1, 1, [0,255,0,255]);
-
- shouldBeNonNull("fbo = gl.createFramebuffer()");
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
-
- shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, depthBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
- glErrorShouldBe(gl, gl.NO_ERROR);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
-
- // We pick this combination because it works on desktop OpenGL but should not work on OpenGL ES 2.0
- gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 32, 16);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
- debug("");
- debug("Drawing or reading from an incomplete framebuffer should generate INVALID_FRAMEBUFFER_OPERATION");
- testRenderingAndReading();
-
- shouldBeNonNull("fbo2 = gl.createFramebuffer()");
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
- debug("");
- debug("Drawing or reading from an incomplete framebuffer should generate INVALID_FRAMEBUFFER_OPERATION");
- testRenderingAndReading();
-
- shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 0, 0);
- debug("");
- debug("Drawing or reading from an incomplete framebuffer should generate INVALID_FRAMEBUFFER_OPERATION");
- testRenderingAndReading();
-
- function testRenderingAndReading() {
- glErrorShouldBe(gl, gl.NO_ERROR);
- wtu.drawQuad(gl);
- glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "drawArrays with incomplete framebuffer");
- gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4));
- glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "readPixels from incomplete framebuffer");
- // copyTexImage and copyTexSubImage can be either INVALID_FRAMEBUFFER_OPERATION because
- // the framebuffer is invalid OR INVALID_OPERATION because in the case of no attachments
- // the framebuffer is not of a compatible type.
- gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, 1, 1);
- glErrorShouldBe(gl, [gl.INVALID_FRAMEBUFFER_OPERATION, gl.INVALID_OPERATION], "copyTexImage2D from incomplete framebuffer");
- gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0, 0, 1, 1, 0);
- glErrorShouldBe(gl, [gl.INVALID_FRAMEBUFFER_OPERATION, gl.INVALID_OPERATION], "copyTexSubImage2D from incomplete framebuffer");
- gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
- glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "clear with incomplete framebuffer");
- }
-}
-
-function testFramebufferIncompleteAttachment() {
- shouldBeNonNull("fbo = gl.createFramebuffer()");
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
-
- debug("");
- debug("Wrong storage type for type of attachment be FRAMEBUFFER_INCOMPLETE_ATTACHMENT (OpenGL ES 2.0 4.4.5)");
- gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
-
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
-
- debug("");
- debug("0 size attachment should be FRAMEBUFFER_INCOMPLETE_ATTACHMENT (OpenGL ES 2.0 4.4.5)");
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 0, 0);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
-
- glErrorShouldBe(gl, gl.NO_ERROR);
-}
-
-function testFramebufferIncompleteMissingAttachment() {
- debug("");
- debug("No attachments should be INCOMPLETE_FRAMEBUFFER_MISSING_ATTACHMENT (OpenGL ES 2.0 4.4.5)");
- shouldBeNonNull("fbo = gl.createFramebuffer()");
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
-
- shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
-
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, null);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
-
- glErrorShouldBe(gl, gl.NO_ERROR);
-}
-
-function testFramebufferIncompleteDimensions() {
- debug("");
- debug("Attachments of different sizes should be FRAMEBUFFER_INCOMPLETE_DIMENSIONS (OpenGL ES 2.0 4.4.5)");
-
- shouldBeNonNull("fbo = gl.createFramebuffer()");
- gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
- shouldBeNonNull("colorBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
-
- shouldBeNonNull("depthBuffer = gl.createRenderbuffer()");
- gl.bindRenderbuffer(gl.RENDERBUFFER, depthBuffer);
- gl.framebufferRenderbuffer(
- gl.FRAMEBUFFER, depthAttachment, gl.RENDERBUFFER, depthBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
- glErrorShouldBe(gl, gl.NO_ERROR);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
-
- gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 32, 16);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
- gl.renderbufferStorage(gl.RENDERBUFFER, depthFormat, 16, 16);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
- gl.bindRenderbuffer(gl.RENDERBUFFER, colorBuffer);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 32);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
- gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
- glErrorShouldBe(gl, gl.NO_ERROR);
-
- var tex = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_2D, tex);
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
- gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
- glErrorShouldBe(gl, gl.NO_ERROR);
- if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {
- return;
- }
-
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 32, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
- checkFramebuffer(gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS);
- gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
- checkFramebuffer(gl.FRAMEBUFFER_COMPLETE);
-
- glErrorShouldBe(gl, gl.NO_ERROR);
-}
-
-successfullyParsed = true;
-</script>
-
-</body>
-</html>

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