| <!-- |
| 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> |
| <script id="requireDefine_GL_OVR_multiview2" type="x-shader/x-fragment">#version 300 es |
| #ifndef GL_OVR_multiview2 |
| #error no GL_OVR_multiview2 |
| #endif |
| precision highp float; |
| out vec4 my_FragColor; |
| void main() { |
| my_FragColor = vec4(0.0, 1.0, 0.0, 1.0); |
| } |
| </script> |
| <script id="forbidDefine_GL_OVR_multiview" type="x-shader/x-fragment">#version 300 es |
| #ifdef GL_OVR_multiview |
| #error legacy GL_OVR_multiview support must be forbidden |
| #endif |
| precision highp float; |
| out vec4 my_FragColor; |
| void main() { |
| my_FragColor = vec4(0.0, 1.0, 0.0, 1.0); |
| } |
| </script> |
| <script id="legacyMultiview1Shader" type="x-shader/x-fragment">#version 300 es |
| #extension GL_OVR_multiview: require |
| precision highp float; |
| out vec4 my_FragColor; |
| void main() { |
| my_FragColor = vec4(0.0, 1.0, 0.0, 1.0); |
| } |
| </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 runExtensionDisabledTest() |
| { |
| debug(""); |
| debug("Testing queries with extension disabled"); |
| |
| let maxViews = gl.getParameter(0x9631); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "Can't query MAX_VIEWS_OVR without enabling OVR_multiview2"); |
| |
| let baseViewIndex = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.BACK, 0x9630); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "Can't query FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR without enabling OVR_multiview2"); |
| let numViews = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.BACK, 0x9632); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "Can't query FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR without enabling OVR_multiview2"); |
| } |
| |
| function runQueryTest() |
| { |
| debug(""); |
| debug("Testing querying MAX_VIEWS_OVR"); |
| |
| let maxViews = gl.getParameter(ext.MAX_VIEWS_OVR); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from querying MAX_VIEWS_OVR"); |
| if (typeof maxViews != 'number') { |
| testFailed("Type of the value of MAX_VIEWS_OVR should be number, was " + (typeof maxViews)); |
| } |
| if (maxViews < 2) { |
| testFailed("Value of MAX_VIEWS_OVR should be at least two, was: " + maxViews); |
| } |
| } |
| |
| function runDefaultFramebufferQueryTest() |
| { |
| debug(""); |
| debug("Testing querying base view index and num views on the default framebuffer"); |
| gl.bindFramebuffer(gl.FRAMEBUFFER, null); |
| // Same behavior as FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: |
| gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.BACK, ext.FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR is INVALID_ENUM for default framebuffer"); |
| gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.BACK, ext.FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR is INVALID_ENUM for default framebuffer"); |
| } |
| |
| function runInvalidTextureTypeTest() |
| { |
| debug(""); |
| debug("Testing invalid texture types"); |
| let tex2D = createTextureWithNearestFiltering(gl.TEXTURE_2D); |
| gl.texStorage2D(gl.TEXTURE_2D, 1, gl.RGBA8, 128, 128); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, tex2D, 0, 0, 1); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "should not be possible to create a multiview framebuffer against a 2D texture"); |
| |
| let texCube = createTextureWithNearestFiltering(gl.TEXTURE_CUBE_MAP); |
| gl.texStorage2D(gl.TEXTURE_CUBE_MAP, 1, gl.RGBA8, 128, 128); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, texCube, 0, 0, 1); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "should not be possible to create a multiview framebuffer against a cube map texture"); |
| |
| let tex3D = createTextureWithNearestFiltering(gl.TEXTURE_3D); |
| gl.texStorage3D(gl.TEXTURE_3D, 1, gl.RGBA8, 128, 128, 2); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, tex3D, 0, 0, 2); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "should not be possible to create a multiview framebuffer against a 3D texture"); |
| } |
| |
| /** |
| * If allocateStorage is true, the test will allocate texture storage. If it is false, attachments are done without allocations. |
| */ |
| function runFramebufferQueryTest(allocateStorage) |
| { |
| debug(""); |
| debug("Testing querying attachment object type, baseViewIndex, numViews and framebuffer status. Texture storage is " + (allocateStorage ? "allocated" : "not allocated") + "."); |
| |
| let checkQueryResult = function(actual, expected, name) { |
| if (actual != expected) { |
| testFailed('Unexpected ' + name + ': ' + actual + ' when it was set to ' + expected); |
| } else { |
| testPassed(name + ' was ' + actual + ' when queried from the framebuffer'); |
| } |
| } |
| |
| let setupAndQuery = function(colorTex, levelSet, baseViewIndexSet, numViewsSet) { |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, levelSet, baseViewIndexSet, numViewsSet); |
| let objectType = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE); |
| if (objectType != gl.TEXTURE) { |
| testFailed('Unexpected FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE ' + wtu.glEnumToString(gl, objectType) + ', should be TEXTURE'); |
| } else { |
| testPassed('FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE was TEXTURE'); |
| } |
| |
| let level = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL); |
| checkQueryResult(level, levelSet, "level"); |
| |
| let textureName = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME); |
| checkQueryResult(textureName, colorTex, "texture object"); |
| |
| let baseViewIndex = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, ext.FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR); |
| checkQueryResult(baseViewIndex, baseViewIndexSet, "baseViewIndex"); |
| |
| let numViews = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, ext.FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR); |
| checkQueryResult(numViews, numViewsSet, "numViews"); |
| |
| let layer = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER); |
| checkQueryResult(layer, baseViewIndexSet, "texture layer (should match baseViewIndex)"); |
| } |
| |
| let setupSecondAttachmentAndQueryStatus = function(colorTex2, baseViewIndex, numViews, expectedStatus, msg) { |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT1, colorTex2, 0, baseViewIndex, numViews); |
| let status = gl.checkFramebufferStatus(gl.FRAMEBUFFER); |
| if (status != expectedStatus) { |
| testFailed('Framebuffer status: ' + wtu.glEnumToString(gl, status) + ' did not match with the expected value: ' + wtu.glEnumToString(gl, expectedStatus) + ' - ' + msg); |
| } else { |
| testPassed('Framebuffer status: ' + wtu.glEnumToString(gl, status) + ' matched with the expected value - ' + msg); |
| } |
| } |
| |
| let maxViews = gl.getParameter(ext.MAX_VIEWS_OVR); |
| |
| let fb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.FRAMEBUFFER, fb); |
| let baseViewIndex = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, ext.FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "Querying baseViewIndex from a nonexistent attachment"); |
| if (baseViewIndex != null) { |
| testFailed('Unexpected baseViewIndex ' + baseViewIndex + ' on a framebuffer without attachments'); |
| } else { |
| testPassed('Querying baseViewIndex returned null on a framebuffer without attachments'); |
| } |
| let numViews = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, ext.FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "Querying numViews from a nonexistent attachment"); |
| if (numViews != null) { |
| testFailed('Unexpected numViews ' + numViews + ' on a framebuffer without attachments'); |
| } else { |
| testPassed('Querying numViews returned null on a framebuffer without attachments'); |
| } |
| |
| let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY); |
| if (allocateStorage) { |
| gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 2, gl.RGBA8, 128, 128, maxViews); |
| } |
| setupAndQuery(colorTex, 0, 0, maxViews); |
| setupAndQuery(colorTex, 1, 0, 2); |
| setupAndQuery(colorTex, 0, 1, maxViews - 1); |
| |
| // Test matching and mismatching attachments for framebuffer status. |
| let colorTex2 = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY); |
| if (allocateStorage) { |
| gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, 128, 128, maxViews); |
| } |
| setupSecondAttachmentAndQueryStatus(colorTex2, 1, maxViews - 1, allocateStorage ? gl.FRAMEBUFFER_COMPLETE : gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT, 'matching baseViewIndex and numViews on different attachments'); |
| if (allocateStorage) { |
| setupSecondAttachmentAndQueryStatus(colorTex2, 0, maxViews - 1, ext.FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR, 'baseViewIndex mismatch'); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, maxViews); |
| setupSecondAttachmentAndQueryStatus(colorTex2, 0, maxViews - 1, ext.FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR, 'numViews mismatch'); |
| } |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from framebuffer queries"); |
| } |
| |
| function runInvalidViewsTest() |
| { |
| debug(""); |
| debug("Testing invalid out-of-range values for baseViewIndex and numViews"); |
| |
| let maxViews = gl.getParameter(ext.MAX_VIEWS_OVR); |
| let maxLayers = gl.getParameter(gl.MAX_ARRAY_TEXTURE_LAYERS); |
| |
| let fb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, fb); |
| let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY); |
| // Don't allocate storage since it's not needed for the validation. |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, maxViews + 1); |
| wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "Specified too many views"); |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 0); |
| wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "Specified zero views"); |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, -1, 2); |
| wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "Specified negative baseViewIndex"); |
| |
| let colorTex2 = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY); |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex2, 0, maxLayers - maxViews + 1, maxViews); |
| // baseViewIndex + numViews = (maxLayers - maxViews + 1) + maxViews = maxLayers + 1 |
| wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "Specified so many views that baseViewIndex + numViews is greater than MAX_ARRAY_TEXTURE_LAYERS"); |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex2, 0, maxLayers - maxViews, maxViews); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "baseViewIndex + numViews is exactly MAX_ARRAY_TEXTURE_LAYERS"); |
| } |
| |
| function runDetachTest() |
| { |
| debug(""); |
| debug("Testing detaching multiview attachments"); |
| |
| let maxViews = gl.getParameter(ext.MAX_VIEWS_OVR); |
| let maxLayers = gl.getParameter(gl.MAX_ARRAY_TEXTURE_LAYERS); |
| |
| let fb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, fb); |
| let colorTex = createTextureWithNearestFiltering(gl.TEXTURE_2D_ARRAY); |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, maxViews); |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, null, 0, maxLayers + 1, 0); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "baseViewIndex and numViews are not validated when detaching"); |
| let objectType = gl.getFramebufferAttachmentParameter(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE); |
| if (objectType != gl.NONE) { |
| testFailed('Unexpected FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE ' + wtu.glEnumToString(gl, objectType) + ' after detach, should be NONE'); |
| } else { |
| testPassed('FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE was NONE after detach'); |
| } |
| |
| ext.framebufferTextureMultiviewOVR(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, maxViews); |
| gl.framebufferTexture2D(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, null, 0); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Can detach with framebufferTexture2D as well."); |
| objectType = gl.getFramebufferAttachmentParameter(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE); |
| if (objectType != gl.NONE) { |
| testFailed('Unexpected FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE ' + wtu.glEnumToString(gl, objectType) + ' after detach, should be NONE'); |
| } else { |
| testPassed('FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE was NONE after detach'); |
| } |
| } |
| |
| function runShaderCompileTest(extensionEnabled) |
| { |
| debug(""); |
| debug("Testing shader compiles with extension " + (extensionEnabled ? "enabled" : "disabled")); |
| |
| let prog = wtu.setupProgram(gl, [wtu.simpleVertexShaderESSL300, "requireDefine_GL_OVR_multiview2"], undefined, undefined, true); |
| expectTrue(!extensionEnabled == !prog, |
| "GL_OVR_multiview2 must be defined by the preprocessor iff OVR_multiview2 is enabled by getExtension."); |
| if (extensionEnabled) { |
| prog = wtu.setupProgram(gl, [wtu.simpleVertexShaderESSL300, "forbidDefine_GL_OVR_multiview"], undefined, undefined, true); |
| expectTrue(prog, "GL_OVR_multiview must never be defined by the preprocessor."); |
| |
| prog = wtu.setupProgram(gl, [wtu.simpleVertexShaderESSL300, "legacyMultiview1Shader"], undefined, undefined, true); |
| expectTrue(!prog, "#extension GL_OVR_multiview must be forbidden."); |
| } |
| |
| if (!extensionEnabled) { |
| let multiviewShaders = [ |
| getMultiviewPassthroughVertexShader(2), |
| getMultiviewColorFragmentShader() |
| ]; |
| let testProgram = wtu.setupProgram(gl, multiviewShaders, ['a_position'], [0], true); |
| if (testProgram) { |
| testFailed("Compilation of shaders using extension functionality succeeded when the extension is disabled, should fail."); |
| } else { |
| testPassed("Compilation of shaders using extension functionality should fail when the extension is disabled."); |
| } |
| } |
| } |
| |
| function runClearTest() |
| { |
| debug(""); |
| debug("Testing that calling clear() clears all views"); |
| |
| let width = 256; |
| let height = 256; |
| |
| let views = gl.getParameter(ext.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, views); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, views); |
| |
| gl.viewport(0, 0, width, height); |
| |
| gl.clearColor(0, 1, 1, 1); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from clear"); |
| |
| let readFb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb); |
| for (let viewIndex = 0; viewIndex < views; ++viewIndex) { |
| gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex); |
| let expectedColor = [0, 255, 255, 255]; |
| wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, 'view ' + viewIndex + ' should be cyan'); |
| } |
| } |
| |
| function runFragmentShaderRenderTest() |
| { |
| debug(""); |
| debug("Testing rendering with different colors in fragment shader"); |
| |
| let width = 256; |
| let height = 256; |
| |
| let views = gl.getParameter(ext.MAX_VIEWS_OVR); |
| |
| let multiviewShaders = [ |
| getMultiviewPassthroughVertexShader(views), |
| getMultiviewColorFragmentShader() |
| ]; |
| let testProgram = wtu.setupProgram(gl, multiviewShaders, ['a_position'], [0], true); |
| if (!testProgram) { |
| testFailed("Compilation with extension enabled failed."); |
| return; |
| } |
| |
| 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, views); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, views); |
| |
| gl.viewport(0, 0, width, height); |
| wtu.drawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw"); |
| |
| let readFb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb); |
| for (let viewIndex = 0; viewIndex < views; ++viewIndex) { |
| gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex); |
| let expectedColor = getExpectedColor(viewIndex); |
| wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, 'view ' + viewIndex + ' should be colored ' + expectedColor); |
| } |
| } |
| |
| function runVertexShaderRenderTest() |
| { |
| debug(""); |
| debug("Testing rendering with different colors in fragment shader, different offsets in vertex shader"); |
| |
| let width = 256; |
| let height = 256; |
| |
| let views = gl.getParameter(ext.MAX_VIEWS_OVR); |
| |
| let multiviewShaders = [ |
| getMultiviewOffsetVertexShader(views), |
| getMultiviewColorFragmentShader() |
| ]; |
| |
| let testProgram = wtu.setupProgram(gl, multiviewShaders, ['a_position'], [0], true); |
| if (!testProgram) { |
| testFailed("Compilation with extension enabled failed."); |
| return; |
| } |
| |
| 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, views); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, views); |
| |
| gl.viewport(0, 0, width, height); |
| wtu.drawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw"); |
| |
| let readFb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb); |
| for (let viewIndex = 0; viewIndex < views; ++viewIndex) { |
| gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex); |
| let expectedColor = getExpectedColor(viewIndex); |
| |
| checkVerticalStrip(width, height, views, viewIndex, expectedColor, 'view ' + viewIndex); |
| } |
| } |
| |
| function runRealisticUseCaseRenderTest() |
| { |
| debug(""); |
| debug("Testing rendering with a different transformation matrix chosen from a uniform array according to ViewID"); |
| |
| let width = 256; |
| let height = 256; |
| |
| let views = gl.getParameter(ext.MAX_VIEWS_OVR); |
| |
| let multiviewShaders = [ |
| getMultiviewRealisticUseCaseVertexShader(views), |
| getMultiviewColorFragmentShader() |
| ]; |
| |
| let testProgram = wtu.setupProgram(gl, multiviewShaders, ['a_position'], [0], true); |
| if (!testProgram) { |
| testFailed("Compilation with extension enabled failed."); |
| return; |
| } |
| |
| 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, views); |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, views); |
| |
| gl.viewport(0, 0, width, height); |
| |
| let transformLocation = gl.getUniformLocation(testProgram, 'transform'); |
| let transformData = new Float32Array (views * 16); |
| for (let viewIndex = 0; viewIndex < views; ++viewIndex) { |
| let scaleX = 1.0 / views; |
| // offsetX is the position of the left edge of the quad we want to get in normalized device coordinates |
| let offsetX = viewIndex / views * 2.0 - 1.0; |
| |
| setupTranslateAndScaleXMatrix(transformData, viewIndex * 16, scaleX, offsetX); |
| } |
| gl.uniformMatrix4fv(transformLocation, false, transformData); |
| |
| wtu.drawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw"); |
| |
| let readFb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb); |
| for (let viewIndex = 0; viewIndex < views; ++viewIndex) { |
| gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, viewIndex); |
| let expectedColor = getExpectedColor(viewIndex); |
| |
| checkVerticalStrip(width, height, views, viewIndex, expectedColor, 'view ' + viewIndex); |
| } |
| } |
| |
| function runUniqueObjectTest() |
| { |
| debug(""); |
| debug("Testing that getExtension() returns the same object each time"); |
| gl.getExtension("OVR_multiview2").myProperty = 2; |
| webglHarnessCollectGarbage(); |
| shouldBe('gl.getExtension("OVR_multiview2").myProperty', '2'); |
| } |
| |
| description("This test verifies the functionality of the OVR_multiview2 extension, if it is available."); |
| |
| debug(""); |
| |
| if (!gl) { |
| testFailed("WebGL context does not exist"); |
| } else { |
| testPassed("WebGL context exists"); |
| |
| runExtensionDisabledTest(); |
| |
| runShaderCompileTest(false); |
| |
| debug(""); |
| |
| 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'); |
| |
| runShaderCompileTest(true); |
| |
| runQueryTest(); |
| |
| runDefaultFramebufferQueryTest(); |
| |
| runInvalidTextureTypeTest(); |
| |
| runFramebufferQueryTest(true); |
| runFramebufferQueryTest(false); |
| |
| runInvalidViewsTest(); |
| |
| runDetachTest(); |
| |
| runClearTest(); |
| |
| wtu.setupUnitQuad(gl, 0, 1); |
| |
| runFragmentShaderRenderTest(); |
| runVertexShaderRenderTest(); |
| runRealisticUseCaseRenderTest(); |
| runUniqueObjectTest(); |
| } |
| } |
| |
| debug(""); |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |