Add ToT WebGL conformance tests : part 8

conformance/more/conformance/argGenerators-S_V.js

Index: conformance/more/conformance/argGenerators-S_V.js
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--- conformance/more/conformance/argGenerators-S_V.js	(revision 0)
+++ conformance/more/conformance/argGenerators-S_V.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
+
+// S-2
+
+  stencilMaskSeparate : {
+    generate : function() { return [cullFace.random(), randomInt(0xffffffff)]; },
+    checkArgValidity : function(face, mask) {
+      return cullFace.has(face);
+    },
+    teardown : function() { GL.stencilMask(0xffffffff); }
+  },
+  stencilOp : {
+    generate : function() {
+      return [stencilOp.random(), stencilOp.random(), stencilOp.random()];
+    },
+    checkArgValidity : function(sfail, dpfail, dppass) {
+      return stencilOp.has(sfail) && stencilOp.has(dpfail) && stencilOp.has(dppass);
+    },
+    teardown : function() { GL.stencilOp(GL.KEEP, GL.KEEP, GL.KEEP); }
+  },
+  stencilOpSeparate : {
+    generate : function() {
+      return [cullFace.random(), stencilOp.random(), stencilOp.random(), stencilOp.random()];
+    },
+    checkArgValidity : function(face, sfail, dpfail, dppass) {
+      return cullFace.has(face) && stencilOp.has(sfail) &&
+              stencilOp.has(dpfail) && stencilOp.has(dppass);
+    },
+    teardown : function() { GL.stencilOp(GL.KEEP, GL.KEEP, GL.KEEP); }
+  },
+
+// T
+  texImage2D : {
+    noAlreadyTriedCheck : true, // Object.toSource is very slow here
+    setup : function() {
+      var tex = GL.createTexture();
+      var tex2 = GL.createTexture();
+      GL.bindTexture(GL.TEXTURE_2D, tex);
+      GL.bindTexture(GL.TEXTURE_CUBE_MAP, tex2);
+      return [tex, tex2];
+    },
+    generate : function() {
+      var format = texImageFormat.random();
+      if (Math.random() < 0.5) {
+        var img = randomImage(16,16);
+        var a = [ texImageTarget.random(), 0, format, format, GL.UNSIGNED_BYTE, img ];
+        return a;
+      } else {
+        var pix = null;
+        if (Math.random > 0.5) {
+          pix = new Uint8Array(16*16*4);
+        }
+        return [
+          texImageTarget.random(), 0,
+          format, 16, 16, 0,
+          format, GL.UNSIGNED_BYTE, pix
+        ];
+      }
+    },
+    checkArgValidity : function(target, level, internalformat, width, height, border, format, type, data) {
+               // or : function(target, level, internalformat, format, type, image)
+      if (!texImageTarget.has(target) || castToInt(level) < 0)
+        return false;
+      if (arguments.length <= 6) {
+        var xformat = width;
+        var xtype = height;
+        var ximage = border;
+        if ((ximage instanceof HTMLImageElement ||
+             ximage instanceof HTMLVideoElement ||
+             ximage instanceof HTMLCanvasElement ||
+             ximage instanceof ImageData) &&
+            texImageInternalFormat.has(internalformat) &&
+            texImageFormat.has(xformat) &&
+            texImageType.has(xtype) &&
+            internalformat == xformat)
+          return true;
+        return false;
+      }
+      var w = castToInt(width), h = castToInt(height), b = castToInt(border);
+      return texImageInternalFormat.has(internalformat) && w >= 0 && h >= 0 &&
+            b == 0 && (data == null || data.byteLength == w*h*4) &&
+            texImageFormat.has(format) && texImageType.has(type)
+            && internalformat == format;
+    },
+    teardown : function(tex, tex2) {
+      GL.bindTexture(GL.TEXTURE_2D, null);
+      GL.bindTexture(GL.TEXTURE_CUBE_MAP, null);
+      GL.deleteTexture(tex);
+      GL.deleteTexture(tex2);
+    }
+  },
+  texParameterf : {
+    generate : function() {
+      var pname = texParameterPname.random();
+      var param = texParameterParam[pname].random();
+      return [bindTextureTarget.random(), pname, param];
+    },
+    checkArgValidity : function(target, pname, param) {
+      if (!bindTextureTarget.has(target))
+        return false;
+      if (!texParameterPname.has(pname))
+        return false;
+      return texParameterParam[pname].has(param);
+    }
+  },
+  texParameteri : {
+    generate : function() {
+      var pname = texParameterPname.random();
+      var param = texParameterParam[pname].random();
+      return [bindTextureTarget.random(), pname, param];
+    },
+    checkArgValidity : function(target, pname, param) {
+      if (!bindTextureTarget.has(target))
+        return false;
+      if (!texParameterPname.has(pname))
+        return false;
+      return texParameterParam[pname].has(param);
+    }
+  },
+  texSubImage2D : {}, // FIXME
+
+// U
+
+  uniform1f : {}, // FIXME
+  uniform1fv : {}, // FIXME
+  uniform1i : {}, // FIXME
+  uniform1iv : {}, // FIXME
+  uniform2f : {}, // FIXME
+  uniform2fv : {}, // FIXME
+  uniform2i : {}, // FIXME
+  uniform2iv : {}, // FIXME
+  uniform3f : {}, // FIXME
+  uniform3fv : {}, // FIXME
+  uniform3i : {}, // FIXME
+  uniform3iv : {}, // FIXME
+  uniform4f : {}, // FIXME
+  uniform4fv : {}, // FIXME
+  uniform4i : {}, // FIXME
+  uniform4iv : {}, // FIXME
+  uniformMatrix2fv : {}, // FIXME
+  uniformMatrix3fv : {}, // FIXME
+  uniformMatrix4fv : {}, // FIXME
+  useProgram : {}, // FIXME
+
+// V
+
+  validateProgram : {}, // FIXME
+  vertexAttrib1f : {}, // FIXME
+  vertexAttrib1fv : {}, // FIXME
+  vertexAttrib2f : {}, // FIXME
+  vertexAttrib2fv : {}, // FIXME
+  vertexAttrib3f : {}, // FIXME
+  vertexAttrib3fv : {}, // FIXME
+  vertexAttrib4f : {}, // FIXME
+  vertexAttrib4fv : {}, // FIXME
+  vertexAttribPointer : {}, // FIXME
+  viewport : {
+    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.viewport(0,0,GL.canvas.width, GL.canvas.height);
+    }
+  }
+
+};
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