示例#1
0
            public static void TranslateProgramParameters(ScriptCompiler compiler, GpuProgramParameters parameters,
                                                          ObjectAbstractNode obj)
            {
                var animParametricsCount = 0;

                foreach (var i in obj.Children)
                {
                    if (!(i is PropertyAbstractNode))
                    {
                        continue;
                    }

                    var prop = (PropertyAbstractNode)i;
                    switch ((Keywords)prop.Id)
                    {
                        #region ID_SHARED_PARAMS_REF

                    case Keywords.ID_SHARED_PARAMS_REF:
                    {
                        if (prop.Values.Count != 1)
                        {
                            compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                              "shared_params_ref requires a single parameter");
                            continue;
                        }

                        var i0 = getNodeAt(prop.Values, 0);
                        if (!(i0 is AtomAbstractNode))
                        {
                            compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                              "shared parameter set name expected");
                            continue;
                        }
                        var atom0 = (AtomAbstractNode)i0;

                        try
                        {
                            parameters.AddSharedParameters(atom0.Value);
                        }
                        catch (AxiomException e)
                        {
                            compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, e.Message);
                        }
                    }
                    break;

                        #endregion ID_SHARED_PARAMS_REF

                        #region ID_PARAM_INDEXED || ID_PARAM_NAMED

                    case Keywords.ID_PARAM_INDEXED:
                    case Keywords.ID_PARAM_NAMED:
                    {
                        if (prop.Values.Count >= 3)
                        {
                            var named = (prop.Id == (uint)Keywords.ID_PARAM_NAMED);
                            var i0    = getNodeAt(prop.Values, 0);
                            var i1    = getNodeAt(prop.Values, 1);
                            var k     = getNodeAt(prop.Values, 2);

                            if (!(i0 is AtomAbstractNode) || !(i1 is AtomAbstractNode))
                            {
                                compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                                  "name or index and parameter type expected");
                                return;
                            }

                            var atom0 = (AtomAbstractNode)i0;
                            var atom1 = (AtomAbstractNode)i1;
                            if (!named && !atom0.IsNumber)
                            {
                                compiler.AddError(CompileErrorCode.NumberExpected, prop.File, prop.Line, "parameter index expected");
                                return;
                            }

                            var name  = string.Empty;
                            var index = 0;
                            // Assign the name/index
                            if (named)
                            {
                                name = atom0.Value;
                            }
                            else
                            {
                                index = (int)atom0.Number;
                            }

                            // Determine the type
                            if (atom1.Value == "matrix4x4")
                            {
                                Matrix4 m;
                                if (getMatrix4(prop.Values, 2, out m))
                                {
                                    try
                                    {
                                        if (named)
                                        {
                                            parameters.SetNamedConstant(name, m);
                                        }
                                        else
                                        {
                                            parameters.SetConstant(index, m);
                                        }
                                    }
                                    catch
                                    {
                                        compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                                          "setting matrix4x4 parameter failed");
                                    }
                                }
                                else
                                {
                                    compiler.AddError(CompileErrorCode.NumberExpected, prop.File, prop.Line, "incorrect matrix4x4 declaration");
                                }
                            }
                            else
                            {
                                // Find the number of parameters
                                var isValid = true;
                                var type    = GpuProgramParameters.ElementType.Real;
                                var count   = 0;
                                if (atom1.Value.Contains("float"))
                                {
                                    type = GpuProgramParameters.ElementType.Real;
                                    if (atom1.Value.Length >= 6)
                                    {
                                        count = int.Parse(atom1.Value.Substring(5));
                                    }
                                    else
                                    {
                                        count = 1;
                                    }
                                }
                                else if (atom1.Value.Contains("int"))
                                {
                                    type = GpuProgramParameters.ElementType.Int;
                                    if (atom1.Value.Length >= 4)
                                    {
                                        count = int.Parse(atom1.Value.Substring(3));
                                    }
                                    else
                                    {
                                        count = 1;
                                    }
                                }
                                else
                                {
                                    compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                                      "incorrect type specified; only variants of int and float allowed");
                                    isValid = false;
                                }

                                if (isValid)
                                {
                                    // First, clear out any offending auto constants
                                    if (named)
                                    {
                                        parameters.ClearNamedAutoConstant(name);
                                    }
                                    else
                                    {
                                        parameters.ClearAutoConstant(index);
                                    }

                                    var roundedCount = count % 4 != 0 ? count + 4 - (count % 4) : count;
                                    if (type == GpuProgramParameters.ElementType.Int)
                                    {
                                        var vals = new int[roundedCount];
                                        if (getInts(prop.Values, 2, out vals, roundedCount))
                                        {
                                            try
                                            {
                                                if (named)
                                                {
                                                    parameters.SetNamedConstant(name, vals, count, 1);
                                                }
                                                else
                                                {
                                                    parameters.SetConstant(index, vals, roundedCount / 4);
                                                }
                                            }
                                            catch
                                            {
                                                compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                            }
                                        }
                                        else
                                        {
                                            compiler.AddError(CompileErrorCode.NumberExpected, prop.File, prop.Line,
                                                              "incorrect integer constant declaration");
                                        }
                                    }
                                    else
                                    {
                                        var vals = new float[roundedCount];
                                        if (getFloats(prop.Values, 2, out vals, roundedCount))
                                        {
                                            try
                                            {
                                                if (named)
                                                {
                                                    parameters.SetNamedConstant(name, vals, count, 1);
                                                }
                                                else
                                                {
                                                    parameters.SetConstant(index, vals, roundedCount / 4);
                                                }
                                            }
                                            catch
                                            {
                                                compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                            }
                                        }
                                        else
                                        {
                                            compiler.AddError(CompileErrorCode.NumberExpected, prop.File, prop.Line,
                                                              "incorrect float constant declaration");
                                        }
                                    }
                                }
                            }
                        }
                        else
                        {
                            compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                              "param_named and param_indexed properties requires at least 3 arguments");
                        }
                    }
                    break;

                        #endregion ID_PARAM_INDEXED || ID_PARAM_NAMED

                        #region ID_PARAM_INDEXED_AUTO || ID_PARAM_NAMED_AUTO

                    case Keywords.ID_PARAM_INDEXED_AUTO:
                    case Keywords.ID_PARAM_NAMED_AUTO:
                    {
                        var named = (prop.Id == (uint)Keywords.ID_PARAM_NAMED_AUTO);
                        var name  = string.Empty;
                        var index = 0;

                        if (prop.Values.Count >= 2)
                        {
                            var i0 = getNodeAt(prop.Values, 0);
                            var i1 = getNodeAt(prop.Values, 1);
                            var i2 = getNodeAt(prop.Values, 2);
                            var i3 = getNodeAt(prop.Values, 3);

                            if (!(i0 is AtomAbstractNode) || !(i1 is AtomAbstractNode))
                            {
                                compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                                  "name or index and auto constant type expected");
                                return;
                            }
                            var atom0 = (AtomAbstractNode)i0;
                            var atom1 = (AtomAbstractNode)i1;

                            if (!named && !atom0.IsNumber)
                            {
                                compiler.AddError(CompileErrorCode.NumberExpected, prop.File, prop.Line, "parameter index expected");
                                return;
                            }

                            if (named)
                            {
                                name = atom0.Value;
                            }
                            else
                            {
                                index = int.Parse(atom0.Value);
                            }

                            // Look up the auto constant
                            atom1.Value = atom1.Value.ToLower();

                            GpuProgramParameters.AutoConstantDefinition def;
                            var defFound = GpuProgramParameters.GetAutoConstantDefinition(atom1.Value, out def);

                            if (defFound)
                            {
                                switch (def.DataType)
                                {
                                    #region None

                                case GpuProgramParameters.AutoConstantDataType.None:
                                    // Set the auto constant
                                    try
                                    {
                                        if (named)
                                        {
                                            parameters.SetNamedAutoConstant(name, def.AutoConstantType);
                                        }
                                        else
                                        {
                                            parameters.SetAutoConstant(index, def.AutoConstantType);
                                        }
                                    }
                                    catch
                                    {
                                        compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                    }
                                    break;

                                    #endregion None

                                    #region Int

                                case GpuProgramParameters.AutoConstantDataType.Int:
                                    if (def.AutoConstantType == GpuProgramParameters.AutoConstantType.AnimationParametric)
                                    {
                                        try
                                        {
                                            if (named)
                                            {
                                                parameters.SetNamedAutoConstant(name, def.AutoConstantType, animParametricsCount++);
                                            }
                                            else
                                            {
                                                parameters.SetAutoConstant(index, def.AutoConstantType, animParametricsCount++);
                                            }
                                        }
                                        catch
                                        {
                                            compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                        }
                                    }
                                    else
                                    {
                                        // Only certain texture projection auto params will assume 0
                                        // Otherwise we will expect that 3rd parameter
                                        if (i2 == null)
                                        {
                                            if (def.AutoConstantType == GpuProgramParameters.AutoConstantType.TextureViewProjMatrix ||
                                                def.AutoConstantType == GpuProgramParameters.AutoConstantType.TextureWorldViewProjMatrix ||
                                                def.AutoConstantType == GpuProgramParameters.AutoConstantType.SpotLightViewProjMatrix ||
                                                def.AutoConstantType == GpuProgramParameters.AutoConstantType.SpotLightWorldViewProjMatrix)
                                            {
                                                try
                                                {
                                                    if (named)
                                                    {
                                                        parameters.SetNamedAutoConstant(name, def.AutoConstantType, 0);
                                                    }
                                                    else
                                                    {
                                                        parameters.SetAutoConstant(index, def.AutoConstantType, 0);
                                                    }
                                                }
                                                catch
                                                {
                                                    compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                                }
                                            }
                                            else
                                            {
                                                compiler.AddError(CompileErrorCode.NumberExpected, prop.File, prop.Line,
                                                                  "extra parameters required by constant definition " + atom1.Value);
                                            }
                                        }
                                        else
                                        {
                                            var success   = false;
                                            var extraInfo = 0;
                                            if (i3 == null)
                                            {
                                                // Handle only one extra value
                                                if (getInt(i2, out extraInfo))
                                                {
                                                    success = true;
                                                }
                                            }
                                            else
                                            {
                                                // Handle two extra values
                                                var extraInfo1 = 0;
                                                var extraInfo2 = 0;
                                                if (getInt(i2, out extraInfo1) && getInt(i3, out extraInfo2))
                                                {
                                                    extraInfo = extraInfo1 | (extraInfo2 << 16);
                                                    success   = true;
                                                }
                                            }

                                            if (success)
                                            {
                                                try
                                                {
                                                    if (named)
                                                    {
                                                        parameters.SetNamedAutoConstant(name, def.AutoConstantType, extraInfo);
                                                    }
                                                    else
                                                    {
                                                        parameters.SetAutoConstant(index, def.AutoConstantType, extraInfo);
                                                    }
                                                }
                                                catch
                                                {
                                                    compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                                }
                                            }
                                            else
                                            {
                                                compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                                                  "invalid auto constant extra info parameter");
                                            }
                                        }
                                    }
                                    break;

                                    #endregion Int

                                    #region Real

                                case GpuProgramParameters.AutoConstantDataType.Real:
                                    if (def.AutoConstantType == GpuProgramParameters.AutoConstantType.Time ||
                                        def.AutoConstantType == GpuProgramParameters.AutoConstantType.FrameTime)
                                    {
                                        Real f = 1.0f;
                                        if (i2 != null)
                                        {
                                            getReal(i2, out f);
                                        }

                                        try
                                        {
                                            if (named)
                                            {
                                                parameters.SetNamedAutoConstantReal(name, def.AutoConstantType, f);
                                            }
                                            else
                                            {
                                                parameters.SetAutoConstantReal(index, def.AutoConstantType, f);
                                            }
                                        }
                                        catch
                                        {
                                            compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                        }
                                    }
                                    else
                                    {
                                        if (i2 != null)
                                        {
                                            Real extraInfo = 0.0f;
                                            if (getReal(i2, out extraInfo))
                                            {
                                                try
                                                {
                                                    if (named)
                                                    {
                                                        parameters.SetNamedAutoConstantReal(name, def.AutoConstantType, extraInfo);
                                                    }
                                                    else
                                                    {
                                                        parameters.SetAutoConstantReal(index, def.AutoConstantType, extraInfo);
                                                    }
                                                }
                                                catch
                                                {
                                                    compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line, "setting of constant failed");
                                                }
                                            }
                                            else
                                            {
                                                compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line,
                                                                  "incorrect float argument definition in extra parameters");
                                            }
                                        }
                                        else
                                        {
                                            compiler.AddError(CompileErrorCode.NumberExpected, prop.File, prop.Line,
                                                              "extra parameters required by constant definition " + atom1.Value);
                                        }
                                    }
                                    break;

                                    #endregion Real
                                }
                            }
                            else
                            {
                                compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line);
                            }
                        }
                        else
                        {
                            compiler.AddError(CompileErrorCode.InvalidParameters, prop.File, prop.Line);
                        }
                    }
                    break;

                        #endregion ID_PARAM_INDEXED_AUTO || ID_PARAM_NAMED_AUTO

                    default:
                        compiler.AddError(CompileErrorCode.UnexpectedToken, prop.File, prop.Line,
                                          "token \"" + prop.Name + "\" is not recognized");
                        break;
                    }
                }
            }