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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ovr_multiview2_single_view_operations.html')
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ovr_multiview2_single_view_operations.html b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ovr_multiview2_single_view_operations.html new file mode 100644 index 0000000000..0e01a3e3b2 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/ovr_multiview2_single_view_operations.html @@ -0,0 +1,253 @@ +<!-- +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> |