| <!-- |
| 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> |