| <!-- |
| 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 runNonMultiviewShaderTest() |
| { |
| debug(""); |
| debug("Testing rendering with shaders that don't declare num_views"); |
| |
| let width = 256; |
| let height = 256; |
| let depth = 2; // always supported so no need to query MAX_VIEWS_OVR. |
| |
| let testProgram = wtu.setupSimpleColorProgram(gl); |
| if (!testProgram) { |
| testFailed("Compilation with extension enabled failed."); |
| return; |
| } |
| |
| let colorUniformLocation = gl.getUniformLocation(testProgram, 'u_color'); |
| |
| 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.uniform4f(colorUniformLocation, 0.0, 1.0, 0.0, 1.0); |
| wtu.drawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors from draw when using a non-multiview shader as long as the number of views is 1"); |
| |
| let readFb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.READ_FRAMEBUFFER, readFb); |
| gl.framebufferTextureLayer(gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0); |
| wtu.checkCanvasRect(gl, 0, 0, width, height, [0, 255, 0, 255], 'view 0 should be green'); |
| |
| ext.framebufferTextureMultiviewOVR(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, colorTex, 0, 0, 2); |
| wtu.drawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "draw should generate an INVALID_OPERATION error when using a non-multiview shader and the number of views is > 1"); |
| } |
| |
| description("This test verifies that non-multiview shaders work correctly 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'); |
| |
| wtu.setupUnitQuad(gl, 0, 1); |
| |
| runNonMultiviewShaderTest(); |
| } |
| } |
| |
| debug(""); |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |