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<!--
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL OVR_multiview2 Conformance Tests</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../js/js-test-pre.js"></script>
<script src="../../js/webgl-test-utils.js"></script>
<script src="../../js/tests/ovr_multiview2_util.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
let wtu = WebGLTestUtils;
let gl = wtu.create3DContext(null, null, 2);
let ext = null;
function runSingleViewReadTest()
{
debug("");
debug("Testing reading from a multiview framebuffer with num_views = 1");
let width = 256;
let height = 256;
let depth = 2; // always supported so no need to query MAX_VIEWS_OVR.
let fb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, depth);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 1);
gl.viewport(0, 0, width, height);
gl.clearColor(0.0, 1.0, 1.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from clear");
let buf = new Uint8Array(width * height * 4);
gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from readPixels");
wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 255, 255], 'view 0 should be cyan');
gl.getError();
// Also test for the error case with two views
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 2);
gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf);
wtu.glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "should be an error to read from a framebuffer with two views");
}
function runSingleViewBlitTest()
{
debug("");
debug("Testing blitting from a multiview framebuffer with num_views = 1");
let width = 256;
let height = 256;
let depth = 2; // always supported so no need to query MAX_VIEWS_OVR.
let fb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, depth);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 1);
gl.viewport(0, 0, width, height);
gl.clearColor(0.0, 1.0, 1.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from clear");
gl.canvas.width = width;
gl.canvas.height = height;
gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, null);
gl.clearColor(0.0, 0.0, 0.0, 0.0)
gl.clear(gl.COLOR_BUFFER_BIT);
gl.blitFramebuffer(0, 0, width, height, 0, 0, width, height, gl.COLOR_BUFFER_BIT, gl.NEAREST);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from blitFramebuffer");
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 255, 255], 'view 0 blitted to the default framebuffer should be cyan');
// Also test for the error case with multiview blit target
gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, fb);
gl.blitFramebuffer(0, 0, width, height, 0, 0, width, height, gl.COLOR_BUFFER_BIT, gl.NEAREST);
wtu.glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "should be an error to blit to a multiview framebuffer even if it has just one view");
// Also test for the error case with two views
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 2);
gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, null);
gl.blitFramebuffer(0, 0, width, height, 0, 0, width, height, gl.COLOR_BUFFER_BIT, gl.NEAREST);
wtu.glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "should be an error to blit from a framebuffer with two views");
}
function runSingleViewCopyTexImage2DTest()
{
debug("");
debug("Testing copyTexImage2D from a multiview framebuffer with num_views = 1");
let width = 256;
let height = 256;
let depth = 2; // always supported so no need to query MAX_VIEWS_OVR.
let fb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, depth);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 1);
gl.viewport(0, 0, width, height);
gl.clearColor(0.0, 1.0, 1.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from clear");
let copyTargetTex = createTextureWithNearestFiltering(gl.TEXTURE_2D);
gl.bindTexture(gl.TEXTURE_2D, copyTargetTex);
gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, 0, 0, width, height, 0);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from copyTexImage2D");
let copyFb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, copyFb);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, copyTargetTex, 0);
wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 255, 255], 'copy of view 0 in the 2D texture should be cyan');
// Also test for the error case with two views
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 2);
gl.bindTexture(gl.TEXTURE_2D, copyTargetTex);
gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, 0, 0, width, height, 0);
wtu.glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "should be an error to copy from a framebuffer with two views");
}
function runSingleViewCopyTexSubImage2DTest()
{
debug("");
debug("Testing copyTexSubImage2D from a multiview framebuffer with num_views = 1");
let width = 256;
let height = 256;
let depth = 2; // always supported so no need to query MAX_VIEWS_OVR.
let fb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, depth);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 1);
gl.viewport(0, 0, width, height);
gl.clearColor(0.0, 1.0, 1.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from clear");
let copyTargetTex = createTextureWithNearestFiltering(gl.TEXTURE_2D);
gl.bindTexture(gl.TEXTURE_2D, copyTargetTex);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, width, height);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from copyTexImage2D");
let copyFb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, copyFb);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, copyTargetTex, 0);
wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 255, 255], 'copy of view 0 in the 2D texture should be cyan');
// Also test for the error case with two views
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 2);
gl.bindTexture(gl.TEXTURE_2D, copyTargetTex);
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, width, height);
wtu.glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "should be an error to copy from a framebuffer with two views");
}
function runSingleViewCopyTexSubImage3DTest()
{
debug("");
debug("Testing copyTexSubImage3D from a multiview framebuffer with num_views = 1");
let width = 256;
let height = 256;
let depth = 2; // always supported so no need to query MAX_VIEWS_OVR.
let fb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY);
gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, depth);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 1);
gl.viewport(0, 0, width, height);
gl.clearColor(0.0, 1.0, 1.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from clear");
let copyTargetTex = createTextureWithNearestFiltering(gl.TEXTURE_3D);
gl.bindTexture(gl.TEXTURE_3D, copyTargetTex);
gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGBA8, width, height, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.copyTexSubImage3D(gl.TEXTURE_3D, 0, 0, 0, 0, 0, 0, width, height);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from copyTexSubImage3D");
let copyFb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, copyFb);
gl.framebufferTextureLayer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, copyTargetTex, 0, 0);
wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 255, 255], 'copy of view 0 in the 3D texture should be cyan');
// Also test for the error case with two views
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 2);
gl.bindTexture(gl.TEXTURE_3D, copyTargetTex);
gl.copyTexSubImage3D(gl.TEXTURE_3D, 0, 0, 0, 0, 0, 0, width, height);
wtu.glErrorShouldBe(gl, gl.INVALID_FRAMEBUFFER_OPERATION, "should be an error to copy from a framebuffer with two views");
}
description("This test verifies that framebuffers with only one view can be read from with OVR_multiview2 extension, if it is available.");
debug("");
if (!gl) {
testFailed("WebGL context does not exist");
} else {
testPassed("WebGL context exists");
if (!gl.getExtension("OVR_multiview2")) {
testPassed("No OVR_multiview2 support -- this is legal");
} else {
testPassed("Successfully enabled OVR_multiview2 extension");
ext = gl.getExtension('OVR_multiview2');
runSingleViewReadTest();
runSingleViewBlitTest();
runSingleViewCopyTexImage2DTest();
runSingleViewCopyTexSubImage2DTest();
runSingleViewCopyTexSubImage3DTest();
}
}
debug("");
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>
</body>
</html>
|
