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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 the WebGLUniformLocation API"); | |
| 12 | |
| 13 if (window.internals) | |
| 14 window.internals.settings.setWebGLErrorsToConsoleEnabled(false); | |
| 15 | |
| 16 var contextA = create3DContext(); | |
| 17 var contextB = create3DContext(); | |
| 18 var programA1 = loadStandardProgram(contextA); | |
| 19 var programA2 = loadStandardProgram(contextA); | |
| 20 var programB = loadStandardProgram(contextB); | |
| 21 var programS = loadProgram(contextA, "resources/structUniformShader.vert", "reso
urces/fragmentShader.frag"); | |
| 22 var programV = loadProgram(contextA, "resources/floatUniformShader.vert", "resou
rces/noopUniformShader.frag"); | |
| 23 var locationA = contextA.getUniformLocation(programA1, 'u_modelViewProjMatrix'); | |
| 24 var locationB = contextB.getUniformLocation(programB, 'u_modelViewProjMatrix'); | |
| 25 var locationSx = contextA.getUniformLocation(programS, "u_struct.x"); | |
| 26 var locationArray0 = contextA.getUniformLocation(programS, "u_array[0]"); | |
| 27 var locationArray1 = contextA.getUniformLocation(programS, "u_array[1]"); | |
| 28 var locationVec4 = contextA.getUniformLocation(programV, "fval4"); | |
| 29 | |
| 30 var vec = [1, 2, 3, 4]; | |
| 31 var mat = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]; | |
| 32 | |
| 33 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programA
2)"); | |
| 34 shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMat
rix4fv(locationA, false, mat)"); | |
| 35 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programA
1)"); | |
| 36 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniformMatrix4fv(lo
cationA, false, mat)"); | |
| 37 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniformMatrix4fv(nu
ll, false, mat)"); | |
| 38 | |
| 39 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programS
)"); | |
| 40 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1i(locationS
x, 3)"); | |
| 41 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1f(locationA
rray0, 4.0)"); | |
| 42 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1f(locationA
rray1, 5.0)"); | |
| 43 | |
| 44 shouldBe("contextA.getUniform(programS, locationSx)", "3"); | |
| 45 shouldBe("contextA.getUniform(programS, locationArray0)", "4.0"); | |
| 46 shouldBe("contextA.getUniform(programS, locationArray1)", "5.0"); | |
| 47 | |
| 48 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programV
)"); | |
| 49 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform4fv(location
Vec4, vec)"); | |
| 50 shouldBe("contextA.getUniform(programV, locationVec4)", "vec"); | |
| 51 | |
| 52 shouldBeNull("contextA.getUniformLocation(programV, \"IDontExist\")"); | |
| 53 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.linkProgram(program
A1)"); | |
| 54 // After linking all boxes are bad. | |
| 55 shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMat
rix4fv(locationA, false, mat)"); | |
| 56 | |
| 57 // after re-linking the same program, all uniform locations become invalid. | |
| 58 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programS
)"); | |
| 59 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.linkProgram(program
S)"); | |
| 60 shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1i(
locationSx, 3)"); | |
| 61 shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getUniform
(programS, locationSx)"); | |
| 62 | |
| 63 // Retrieve the locations again, and they should be good. | |
| 64 locationSx = contextA.getUniformLocation(programS, "u_struct.x"); | |
| 65 locationArray0 = contextA.getUniformLocation(programS, "u_array[0]"); | |
| 66 shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1i(locationS
x, 3)"); | |
| 67 shouldBe("contextA.getUniform(programS, locationSx)", "3"); | |
| 68 </script> | |
| 69 | |
| 70 </body> | |
| 71 </html> | |
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