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| 1 <html> | |
| 2 <head> | |
| 3 <script src="../../../resources/js-test.js"></script> | |
| 4 <script src="resources/webgl-test.js"></script> | |
| 5 </head> | |
| 6 <body> | |
| 7 <div id="description"></div> | |
| 8 <div id="console"></div> | |
| 9 | |
| 10 <script> | |
| 11 description("Tests generation of synthetic and real GL errors"); | |
| 12 | |
| 13 if (window.internals) | |
| 14 window.internals.settings.setWebGLErrorsToConsoleEnabled(false); | |
| 15 | |
| 16 var context = create3DContext(); | |
| 17 var program = loadStandardProgram(context); | |
| 18 | |
| 19 // Other tests in this directory like getActiveTest and | |
| 20 // incorrect-context-object-behaviour already test the raising of many | |
| 21 // synthetic GL errors. This test verifies the raising of certain | |
| 22 // known real GL errors, and contains a few regression tests for bugs | |
| 23 // discovered in the synthetic error generation and in the WebGL | |
| 24 // implementation itself. | |
| 25 | |
| 26 glErrorShouldBe(context, context.NO_ERROR); | |
| 27 | |
| 28 debug("Testing getActiveAttrib"); | |
| 29 // Synthetic OpenGL error | |
| 30 shouldBeNull("context.getActiveAttrib(null, 2)"); | |
| 31 glErrorShouldBe(context, context.INVALID_VALUE); | |
| 32 // Error state should be clear by this point | |
| 33 glErrorShouldBe(context, context.NO_ERROR); | |
| 34 // Real OpenGL error | |
| 35 shouldBeNull("context.getActiveAttrib(program, 2)"); | |
| 36 glErrorShouldBe(context, context.INVALID_VALUE); | |
| 37 // Error state should be clear by this point | |
| 38 glErrorShouldBe(context, context.NO_ERROR); | |
| 39 | |
| 40 debug("Testing getActiveUniform"); | |
| 41 // Synthetic OpenGL error | |
| 42 shouldBeNull("context.getActiveUniform(null, 0)"); | |
| 43 glErrorShouldBe(context, context.INVALID_VALUE); | |
| 44 // Error state should be clear by this point | |
| 45 glErrorShouldBe(context, context.NO_ERROR); | |
| 46 // Real OpenGL error | |
| 47 shouldBeNull("context.getActiveUniform(program, 50)"); | |
| 48 glErrorShouldBe(context, context.INVALID_VALUE); | |
| 49 // Error state should be clear by this point | |
| 50 glErrorShouldBe(context, context.NO_ERROR); | |
| 51 | |
| 52 debug("Testing attempts to manipulate the default framebuffer"); | |
| 53 shouldBeUndefined("context.bindFramebuffer(context.FRAMEBUFFER, null)"); | |
| 54 glErrorShouldBe(context, context.NO_ERROR); | |
| 55 shouldBeUndefined("context.framebufferRenderbuffer(context.FRAMEBUFFER, context.
DEPTH_ATTACHMENT, context.RENDERBUFFER, null)"); | |
| 56 // Synthetic OpenGL error | |
| 57 glErrorShouldBe(context, context.INVALID_OPERATION); | |
| 58 // Error state should be clear by this point | |
| 59 glErrorShouldBe(context, context.NO_ERROR); | |
| 60 shouldBeUndefined("context.framebufferTexture2D(context.FRAMEBUFFER, context.COL
OR_ATTACHMENT0, context.TEXTURE_2D, null, 0)"); | |
| 61 // Synthetic OpenGL error | |
| 62 glErrorShouldBe(context, context.INVALID_OPERATION); | |
| 63 // Error state should be clear by this point | |
| 64 glErrorShouldBe(context, context.NO_ERROR); | |
| 65 </script> | |
| 66 | |
| 67 </body> | |
| 68 </html> | |
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