Add ToT WebGL conformance tests : part 8

conformance/more/conformance/argGenerators-L_S.js

Index: conformance/more/conformance/argGenerators-L_S.js
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--- conformance/more/conformance/argGenerators-L_S.js	(revision 0)
+++ conformance/more/conformance/argGenerators-L_S.js	(working copy)
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+/*
+** 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
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** 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,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+// ArgGenerators contains argument generators for WebGL functions.
+// The argument generators are used for running random tests against the WebGL
+// functions.
+//
+// ArgGenerators is an object consisting of functionName : argGen -properties.
+//
+// functionName is a WebGL context function name and the argGen is an argument
+// generator object that encapsulates the requirements to run
+// randomly generated tests on the WebGL function.
+//
+// An argGen object has the following methods:
+//   - setup    -- set up state for testing the GL function, returns values
+//                 that need cleanup in teardown. Run once before entering a
+//                 test loop.
+//   - teardown -- do cleanup on setup's return values after testing is complete
+//   - generate -- generate a valid set of random arguments for the GL function
+//   - returnValueCleanup -- do cleanup on value returned by the tested GL function
+//   - cleanup  -- do cleanup on generated arguments from generate
+//   - checkArgValidity -- check if passed args are valid. Has a call signature
+//                         that matches generate's return value. Returns true
+//                         if args are valid, false if not.
+//
+//   Example test loop that demonstrates how the function args and return
+//   values flow together:
+//
+//   var setupArgs = argGen.setup();
+//   for (var i=0; i<numberOfTests; i++) {
+//     var generatedArgs = argGen.generate.apply(argGen, setupArgs);
+//     var validArgs = argGen.checkArgValidity.apply(argGen, generatedArgs);
+//     var rv = call the GL function with generatedArgs;
+//     argGen.returnValueCleanup(rv);
+//     argGen.cleanup.apply(argGen, generatedArgs);
+//   }
+//   argGen.teardown.apply(argGen, setupArgs);
+//
+ArgGenerators = {
+
+// GL functions in alphabetical order
+
+// L
+
+  lineWidth : {
+    generate : function() { return [randomLineWidth()]; },
+    teardown : function() { GL.lineWidth(1); }
+  },
+  linkProgram : {}, // FIXME
+
+// P
+  pixelStorei : {
+    generate : function() {
+      return [pixelStoreiPname.random(), pixelStoreiParam.random()];
+    },
+    checkArgValidity : function(pname, param) {
+      return pixelStoreiPname.has(pname) && pixelStoreiParam.has(param);
+    },
+    teardown : function() {
+      GL.pixelStorei(GL.PACK_ALIGNMENT, 4);
+      GL.pixelStorei(GL.UNPACK_ALIGNMENT, 4);
+    }
+  },
+  polygonOffset : {
+    generate : function() { return [randomFloat(), randomFloat()]; },
+    teardown : function() { GL.polygonOffset(0,0); }
+  },
+
+// R
+
+  readPixels : {}, // FIXME
+  renderbufferStorage : {}, // FIXME
+
+// S-1
+
+  sampleCoverage : {
+    generate : function() { return [randomFloatFromRange(0,1), randomBool()] },
+    teardown : function() { GL.sampleCoverage(1, false); }
+  },
+  scissor : {
+    generate : function() {
+      return [randomInt(3000)-1500, randomInt(3000)-1500, randomIntFromRange(0,3000), randomIntFromRange(0,3000)];
+    },
+    checkArgValidity : function(x,y,w,h) {
+      return castToInt(w) >= 0 && castToInt(h) >= 0;
+    },
+    teardown : function() {
+      GL.scissor(0,0,GL.canvas.width, GL.canvas.height);
+    }
+  },
+  shaderSource : {}, // FIXME
+  stencilFunc : {
+    generate : function(){
+      return [stencilFuncFunc.random(), randomInt(MaxStencilValue), randomInt(0xffffffff)];
+    },
+    checkArgValidity : function(func, ref, mask) {
+      return stencilFuncFunc.has(func) && castToInt(ref) >= 0 && castToInt(ref) < MaxStencilValue;
+    },
+    teardown : function() {
+      GL.stencilFunc(GL.ALWAYS, 0, 0xffffffff);
+    }
+  },
+  stencilFuncSeparate : {
+    generate : function(){
+      return [cullFace.random(), stencilFuncFunc.random(), randomInt(MaxStencilValue), randomInt(0xffffffff)];
+    },
+    checkArgValidity : function(face, func, ref, mask) {
+      return cullFace.has(face) && stencilFuncFunc.has(func) && castToInt(ref) >= 0 && castToInt(ref) < MaxStencilValue;
+    },
+    teardown : function() {
+      GL.stencilFunc(GL.ALWAYS, 0, 0xffffffff);
+    }
+  },
+  stencilMask : {
+    generate : function() { return [randomInt(0xffffffff)]; },
+    teardown : function() { GL.stencilMask(0xffffffff); }
+  }
+
+};
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