| <!-- |
| 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>Test bug of TexSubImage3D with pixel buffer</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> |
| </head> |
| <body> |
| <canvas id="example" width="2" height="2" style="width: 2px; height: 2px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script id="vshader_texsize" type="x-shader/x-vertex">#version 300 es |
| in vec4 vPosition; |
| void main() |
| { |
| gl_Position = vPosition; |
| } |
| </script> |
| |
| <script id="fshader_texsize_3d" type="x-shader/x-fragment">#version 300 es |
| precision mediump float; |
| uniform highp sampler3D tex; |
| uniform int lod; |
| uniform ivec3 texSize; |
| out vec4 fragColor; |
| void main() |
| { |
| fragColor = (textureSize(tex, lod) == texSize ? vec4(1.0, 0.0, 0.0, 1.0) : vec4(0.0, 0.0, 0.0, 1.0)); |
| } |
| </script> |
| |
| |
| <script> |
| "use strict"; |
| description(document.title); |
| debug("This is a regression test for <a href='https://bugs.chromium.org/p/chromium/issues/detail?id=666384'>Chromium Issue 666384</a>"); |
| debug(""); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example", undefined, 2); |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| |
| function runTest() { |
| wtu.setupUnitQuad(gl, 0, 1); |
| |
| var program = wtu.setupProgram( |
| gl, ['vshader_texsize', 'fshader_texsize_3d'], ['vPosition'], [0]); |
| |
| var width = 32; |
| var height = 16; |
| var depth = 8; |
| gl.uniform1i(gl.getUniformLocation(program, "tex"), 0); |
| gl.uniform1i(gl.getUniformLocation(program, "lod"), 2); |
| gl.uniform3i(gl.getUniformLocation(program, "texSize"), 8, 4, 2); |
| var tex3d = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_3D, tex3d); |
| gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_MIN_FILTER) should succeed"); |
| gl.texStorage3D(gl.TEXTURE_3D, 4, gl.RGBA8, width, height, depth); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texStorage3D should succeed"); |
| var buffer = gl.createBuffer(); |
| gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, buffer); |
| gl.bufferData(gl.PIXEL_UNPACK_BUFFER, new Uint8Array(width * height * depth * 4), gl.DYNAMIC_DRAW); |
| gl.texSubImage3D(gl.TEXTURE_3D, 0, 0, 0, 0, width, height, depth, gl.RGBA, gl.UNSIGNED_BYTE, 0); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Update texture data with texSubImage3D from pixel buffer should succeed"); |
| gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, null); |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearAndDrawQuad should succeed"); |
| wtu.checkCanvas(gl, [255, 0, 0, 255], "should draw with [255, 0, 0, 255]"); |
| gl.deleteTexture(tex3d); |
| gl.deleteBuffer(buffer); |
| } |
| |
| runTest(); |
| var successfullyParsed = true; |
| |
| </script> |
| <script src="../../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |
