public void AddConstantDefinition(string name, GpuConstantType constType, int arrraySize)
{
if (this.NamedConstants.Map.ContainsKey(name))
{
throw new Exception(string.Format("Constant entry with name '{0}' allready exists.", name));
}
var def = new GpuConstantDefinition
{
ArraySize = arrraySize,
ConstantType = constType,
// for compatibility we do not pad values to multiples of 4
// when it comes to arrays, user is responsible for creating matching defs
ElementSize = GpuConstantDefinition.GetElementSize(constType, false),
// not used
LogicalIndex = 0,
Variability = GpuParamVariability.Global
};
if (def.IsFloat)
{
def.PhysicalIndex = this.FloatConstants.Count;
this.FloatConstants.Resize(this.FloatConstants.Count + def.ArraySize * def.ElementSize);
}
else
{
def.PhysicalIndex = this.IntConstants.Count;
this.IntConstants.Resize(this.IntConstants.Count + def.ArraySize * def.ElementSize);
}
this.NamedConstants.Map.Add(name, def);
++Version;
}
public GpuConstantDefinition()
{
this.ConstantType = GpuConstantType.Unknown;
PhysicalIndex = Int32.MaxValue;
this.ElementSize = 0;
this.ArraySize = 1;
this.Variability = GpuParamVariability.Global;
}
public bool IsSamplerConst(GpuConstantType c)
{
switch (c)
{
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.SamplerCube:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
return(true);
default:
return(false);
}
}
public static bool IsFloatConst(GpuConstantType c)
{
switch (c)
{
case GpuConstantType.Int1:
case GpuConstantType.Int2:
case GpuConstantType.Int3:
case GpuConstantType.Int4:
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.SamplerCube:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
return(false);
default:
return(true);
}
;
}
public static int GetElementSize(GpuConstantType ctype, bool padToMultiplesOf4)
{
if (padToMultiplesOf4)
{
switch (ctype)
{
case GpuConstantType.Float1:
case GpuConstantType.Float2:
case GpuConstantType.Float3:
case GpuConstantType.Float4:
case GpuConstantType.Int1:
case GpuConstantType.Int2:
case GpuConstantType.Int3:
case GpuConstantType.Int4:
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
case GpuConstantType.SamplerCube:
return(4);
case GpuConstantType.Matrix_2X2:
case GpuConstantType.Matrix_2X3:
case GpuConstantType.Matrix_2X4:
return(8); // 2 float4s
case GpuConstantType.Matrix_3X2:
case GpuConstantType.Matrix_3X3:
case GpuConstantType.Matrix_3X4:
return(12); //3 float4s
case GpuConstantType.Matrix_4X2:
case GpuConstantType.Matrix_4X3:
case GpuConstantType.Matrix_4X4:
return(16); //4 float4s
default:
return(4);
}
}
// else
{
switch (ctype)
{
case GpuConstantType.Float1:
case GpuConstantType.Int1:
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
case GpuConstantType.SamplerCube:
return(1);
case GpuConstantType.Float2:
case GpuConstantType.Int2:
return(2);
case GpuConstantType.Float3:
case GpuConstantType.Int3:
return(3);
case GpuConstantType.Float4:
case GpuConstantType.Int4:
return(4);
case GpuConstantType.Matrix_2X2:
return(4);
case GpuConstantType.Matrix_2X3:
case GpuConstantType.Matrix_3X2:
return(6);
case GpuConstantType.Matrix_2X4:
case GpuConstantType.Matrix_4X2:
return(8);
case GpuConstantType.Matrix_3X3:
return(9);
case GpuConstantType.Matrix_3X4:
case GpuConstantType.Matrix_4X3:
return(12);
case GpuConstantType.Matrix_4X4:
return(16);
default:
return(4);
}
}
}
public GpuConstantDefinition()
{
ConstantType = GpuConstantType.Unknown;
PhysicalIndex = Int32.MaxValue;
ElementSize = 0;
ArraySize = 1;
Variability = GpuParamVariability.Global;
}
public static int GetElementSize(GpuConstantType ctype, bool padToMultiplesOf4)
{
if (padToMultiplesOf4)
{
switch (ctype)
{
case GpuConstantType.Float1:
case GpuConstantType.Float2:
case GpuConstantType.Float3:
case GpuConstantType.Float4:
case GpuConstantType.Int1:
case GpuConstantType.Int2:
case GpuConstantType.Int3:
case GpuConstantType.Int4:
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
case GpuConstantType.SamplerCube:
return 4;
case GpuConstantType.Matrix_2X2:
case GpuConstantType.Matrix_2X3:
case GpuConstantType.Matrix_2X4:
return 8; // 2 float4s
case GpuConstantType.Matrix_3X2:
case GpuConstantType.Matrix_3X3:
case GpuConstantType.Matrix_3X4:
return 12; //3 float4s
case GpuConstantType.Matrix_4X2:
case GpuConstantType.Matrix_4X3:
case GpuConstantType.Matrix_4X4:
return 16; //4 float4s
default:
return 4;
}
}
// else
{
switch (ctype)
{
case GpuConstantType.Float1:
case GpuConstantType.Int1:
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
case GpuConstantType.SamplerCube:
return 1;
case GpuConstantType.Float2:
case GpuConstantType.Int2:
return 2;
case GpuConstantType.Float3:
case GpuConstantType.Int3:
return 3;
case GpuConstantType.Float4:
case GpuConstantType.Int4:
return 4;
case GpuConstantType.Matrix_2X2:
return 4;
case GpuConstantType.Matrix_2X3:
case GpuConstantType.Matrix_3X2:
return 6;
case GpuConstantType.Matrix_2X4:
case GpuConstantType.Matrix_4X2:
return 8;
case GpuConstantType.Matrix_3X3:
return 9;
case GpuConstantType.Matrix_3X4:
case GpuConstantType.Matrix_4X3:
return 12;
case GpuConstantType.Matrix_4X4:
return 16;
default:
return 4;
}
}
}
public bool IsSamplerConst(GpuConstantType c)
{
switch (c)
{
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.SamplerCube:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
return true;
default:
return false;
}
}
public static bool IsFloatConst(GpuConstantType c)
{
switch (c)
{
case GpuConstantType.Int1:
case GpuConstantType.Int2:
case GpuConstantType.Int3:
case GpuConstantType.Int4:
case GpuConstantType.Sampler1D:
case GpuConstantType.Sampler2D:
case GpuConstantType.Sampler3D:
case GpuConstantType.SamplerCube:
case GpuConstantType.Sampler1DShadow:
case GpuConstantType.Sampler2DShadow:
return false;
default:
return true;
}
}
public void AddConstantDefinition( string name, GpuConstantType constType, int arrraySize = 1 )
{
if ( NamedConstants.Map.ContainsKey( name ) )
{
throw new Exception( string.Format("Constant entry with name '{0}' allready exists.", name) );
}
var def = new GpuConstantDefinition
{
ArraySize = arrraySize,
ConstantType = constType,
// for compatibility we do not pad values to multiples of 4
// when it comes to arrays, user is responsible for creating matching defs
ElementSize = GpuConstantDefinition.GetElementSize( constType, false ),
// not used
LogicalIndex = 0,
Variability = GpuParamVariability.Global
};
if ( def.IsFloat )
{
def.PhysicalIndex = FloatConstants.Count;
FloatConstants.Resize(FloatConstants.Count + def.ArraySize * def.ElementSize);
}
else
{
def.PhysicalIndex = IntConstants.Count;
IntConstants.Resize(IntConstants.Count + def.ArraySize * def.ElementSize);
}
NamedConstants.Map.Add( name, def );
++Version;
}
public void AddConstantDefinition(string name, GpuConstantType constType)
{
AddConstantDefinition(name, constType, 1);
}
public void AddConstantDefinition( string name, GpuConstantType constType )
{
AddConstantDefinition( name, constType, 1 );
}
private static extern void GpuSharedParameters_addConstantDefinition(IntPtr param, String name, GpuConstantType constType, UIntPtr arraySize);
public void addNamedConstant(String name, GpuConstantType constType, uint arraySize = 1)
{
GpuSharedParameters_addConstantDefinition(ptr, name, constType, new UIntPtr(arraySize));
}