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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>copyTexImage2D should not crash</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> |
| <div id="description"></div> |
| <canvas id="canvas"></canvas> |
| <div id="console"></div> |
| |
| <script> |
| "use strict"; |
| description("Draw into source of copyTexSubImage2D shouldn't crash: regression test for https://crbug.com/707445"); |
| |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("canvas"); |
| canvas.width = 16; |
| canvas.height = 16; |
| var gl = wtu.create3DContext(canvas); |
| |
| function runTest() { |
| // Setup/clear source texture |
| let tex1 = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex1); |
| gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); |
| let fb1 = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.FRAMEBUFFER, fb1); |
| gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex1, 0); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| |
| // Setup/clear destination texture |
| let tex2 = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex2); |
| gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); |
| let fb2 = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.FRAMEBUFFER, fb2); |
| gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex2, 0); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| |
| // Copy from source to destination texture |
| gl.bindFramebuffer(gl.FRAMEBUFFER, fb1); |
| gl.bindTexture(gl.TEXTURE_2D, tex2); |
| gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0, 0, 16, 16, 0); |
| |
| // Draw into source texture |
| gl.bindFramebuffer(gl.FRAMEBUFFER, fb2); |
| let program = wtu.setupColorQuad(gl); // Used as a trivial shader; any shader will work. |
| gl.useProgram(program); |
| gl.drawArrays(gl.TRIANGLES, 0, 3); |
| } |
| |
| runTest(); |
| |
| var successfullyParsed = true; |
| </script> |
| <script src="../../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |
