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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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