| <html> |
| <head> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"></script> |
| <script src="resources/webgl-test-utils.js"> </script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| description("Checks that painting WebGL contents doesn't pollute the context state."); |
| |
| var wtu = WebGLTestUtils; |
| |
| window.jsTestIsAsync = true; |
| |
| if (window.internals) |
| window.internals.settings.setWebGLErrorsToConsoleEnabled(false); |
| |
| var canvas; |
| var context; |
| |
| function draw() { |
| // Draw a blue quad to the screen. The compositor should have executed |
| // before reaching this point. If the texture state was corrupted, then |
| // a red quad will be drawn. See crbug.com/105045. |
| wtu.drawQuad(context); |
| |
| wtu.checkCanvasRect(context, 0, 0, 1, 1, [0, 0, 255, 255], "Should have rendered blue.", 1); |
| finishJSTest(); |
| } |
| |
| window.onload = function() |
| { |
| canvas = document.getElementById("webgl-canvas"); |
| context = create3DContext(canvas); |
| |
| var program = wtu.setupTexturedQuad(context); |
| var bufferObjects = wtu.setupUnitQuad(context); |
| var texture = wtu.createColoredTexture(context, 1, 1, [0, 0, 255, 255]); |
| |
| context.uniform1i(context.getUniformLocation(program, "tex"), 0); |
| |
| context.activeTexture(context.TEXTURE_0 + 5); |
| context.bindTexture(context.TEXTURE_2D, texture); |
| |
| context.viewport(0, 0, canvas.width, canvas.height); |
| |
| context.clearColor(255, 0, 0, 255); |
| context.clear(context.COLOR_BUFFER_BIT | context.DEPTH_BUFFER_BIT); |
| |
| // We need to ensure that the compositor has run before the drawing |
| // takes place. requestAnimationFrame was tried for this purpose, |
| // but it did not produce the failing behaviour in crbug.com/105045. |
| // A timeout of 100 ms was found to consistently reproduce the problem. |
| setTimeout(draw, 100); |
| } |
| </script> |
| <canvas id="webgl-canvas" width="32px" height="32px"></canvas> |
| </body> |
| </html> |
