| <!-- |
| /* |
| ** Copyright (c) 2012 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
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| ** permit persons to whom the Materials are furnished to do so, subject to |
| ** the following conditions: |
| ** |
| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
| ** |
| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
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| --> |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../resources/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| |
| <script> |
| "use strict"; |
| description("Tests the WebGLUniformLocation API"); |
| |
| var wtu = WebGLTestUtils; |
| var contextA = wtu.create3DContext(); |
| var contextB = wtu.create3DContext(); |
| var programA1 = wtu.loadStandardProgram(contextA); |
| var programA2 = wtu.loadStandardProgram(contextA); |
| var programB = wtu.loadStandardProgram(contextB); |
| var programS = wtu.loadProgramFromFile(contextA, "../resources/structUniformShader.vert", "../resources/fragmentShader.frag"); |
| var programV = wtu.loadProgramFromFile(contextA, "../resources/floatUniformShader.vert", "../resources/noopUniformShader.frag"); |
| var locationA = contextA.getUniformLocation(programA1, 'u_modelViewProjMatrix'); |
| var locationB = contextB.getUniformLocation(programB, 'u_modelViewProjMatrix'); |
| var locationSx = contextA.getUniformLocation(programS, "u_struct.x"); |
| var locationSx2; |
| var locationArray0 = contextA.getUniformLocation(programS, "u_array[0]"); |
| var locationArray1 = contextA.getUniformLocation(programS, "u_array[1]"); |
| var locationVec4 = contextA.getUniformLocation(programV, "fval4"); |
| |
| var vec = [1, 2, 3, 4]; |
| var mat = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]; |
| |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programA2)"); |
| wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4fv(locationA, false, mat)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programA1)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniformMatrix4fv(locationA, false, mat)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniformMatrix4fv(null, false, mat)"); |
| |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programS)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1i(locationSx, 333)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1f(locationArray0, 4.0)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1f(locationArray1, 5.0)"); |
| |
| shouldBe("contextA.getUniform(programS, locationSx)", "333"); |
| shouldBe("contextA.getUniform(programS, locationArray0)", "4.0"); |
| shouldBe("contextA.getUniform(programS, locationArray1)", "5.0"); |
| |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programV)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform4fv(locationVec4, vec)"); |
| shouldBe("contextA.getUniform(programV, locationVec4)", "vec"); |
| |
| shouldBeNull("contextA.getUniformLocation(programV, \"IDontExist\")"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.linkProgram(programA1)"); |
| // After linking all boxes are bad. |
| wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4fv(locationA, false, mat)"); |
| |
| // after re-linking the same program, all uniform locations become invalid. |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.useProgram(programS)"); |
| contextA.stencilMask(1); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.linkProgram(programS)"); |
| wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1i(locationSx, 3)"); |
| wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getUniform(programS, locationSx)"); |
| |
| // Retrieve the locations again, and they should be good. |
| locationSx = contextA.getUniformLocation(programS, "u_struct.x"); |
| locationArray0 = contextA.getUniformLocation(programS, "u_array[0]"); |
| debug("here"); |
| contextA.stencilMask(0); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1i(locationSx, 3)"); |
| wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.uniform1f(locationArray0, 123)"); |
| shouldBe("contextA.getUniform(programS, locationSx)", "3"); |
| shouldBe("contextA.getUniform(programS, locationArray0)", "123"); |
| |
| // getUniformLocation should return a different object everytime, should not cache and return the same object |
| debug("Testing that getUniformLocation returns a different object everytime"); |
| locationSx = contextA.getUniformLocation(programS, "u_struct.x"); |
| locationSx2 = contextA.getUniformLocation(programS, "u_struct.x"); |
| shouldBeFalse("locationSx === locationSx2"); |
| locationSx.foo = {}; |
| locationSx2.foo = {}; |
| shouldBeFalse("locationSx.foo === locationSx2.foo"); |
| |
| var successfullyParsed = true; |
| </script> |
| |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |