public unsafe void SetUniform(Uniform uniform, ParameterType type, int arraySize, IntPtr valueData)
{
//int1, vec4, mat3, mat4
var uniformType = GetUniformTypeByParameterType(type);
//var uniform = GpuProgramManager.RegisterUniform( name, uniformType, arraySize );
switch (uniformType)
{
//case UniformType.Sampler:
//Log.Fatal( "ViewportRenderingContext: SetUniform: UniformType.Int1 impl." );
//break;
case UniformType.Vector4:
{
int sizeInBytes = ParameterTypeUtility.GetElementSizeInBytes(type);
if (sizeInBytes == 16)
{
Bgfx.SetUniform(uniform, valueData, arraySize);
}
else if (sizeInBytes < 16)
{
if (arraySize != 1)
{
Log.Fatal("ViewportRenderingContext: SetUniform: Arrays with type \'{0}\' are not supported. Only Vec4, Mat3, Mat4 arrays are supported.", type);
}
Vector4F value = Vector4F.Zero;
Buffer.MemoryCopy((void *)valueData, &value, sizeInBytes, sizeInBytes);
Bgfx.SetUniform(uniform, &value, 1);
}
else
{
Log.Fatal("ViewportRenderingContext: SetUniform: The type \'{0}\' is not supported.", type);
}
}
break;
case UniformType.Matrix3x3:
case UniformType.Matrix4x4:
Bgfx.SetUniform(uniform, valueData, arraySize);
break;
}
}
public int GetTotalSizeInBytes()
{
return(ParameterTypeUtility.GetElementSizeInBytes(Type) * ElementCount);
}
public void Set(string name, object value, ParameterType type = ParameterType.Unknown, int elementCount = 0)
{
if (string.IsNullOrEmpty(name))
{
Log.Fatal("ParameterContainer: Set: Name can't be empty.");
}
if (value == null)
{
Log.Fatal("ParameterContainer: Set: value == null.");
}
//detect elementCount
if (elementCount == 0)
{
if (value.GetType().IsArray)
{
Array array = (Array)value;
elementCount = array.GetLength(0);
}
else
{
elementCount = 1;
}
}
//detect type
if (type == ParameterType.Unknown)
{
Type elementType = null;
{
if (value.GetType().IsArray)
{
elementType = value.GetType().GetElementType();
}
else
{
elementType = value.GetType();
}
}
//!!!!!reference values in array
type = ParameterTypeUtility.DetectTypeByClassType(elementType);
//!!!!было
////!!!!!так?
////detect texture type by the value
//if( type == ParameterType.Unknown )
//{
// GpuMaterialPass.TextureParameterValue textureValue = null;
// if( value.GetType().IsArray )
// {
// Array array = (Array)value;
// if( array.GetLength( 0 ) > 0 )
// textureValue = array.GetValue( 0 ) as GpuMaterialPass.TextureParameterValue;
// }
// else
// textureValue = value as GpuMaterialPass.TextureParameterValue;
// if( textureValue != null && textureValue.Texture != null )
// {
// var gpuTexture = textureValue.Texture.Result;
// if( gpuTexture != null )
// {
// switch( gpuTexture.TextureType )
// {
// //case Component_Texture.TypeEnum._1D: type = ParameterType.Texture1D; break;
// case Component_Image.TypeEnum._2D: type = ParameterType.Texture2D; break;
// case Component_Image.TypeEnum._3D: type = ParameterType.Texture3D; break;
// case Component_Image.TypeEnum.Cube: type = ParameterType.TextureCube; break;
// }
// }
// }
//}
}
//!!!!!check for invalid data
//ParameterItem parameter = null;
////use current parameter or new depending format
//{
// ParameterItem currentItem;
// if( parameters.TryGetValue( name, out currentItem ) )
// {
// if( type == currentItem.type && elementCount == currentItem.elementCount )
// {
// //!!!!!так?
// parameter = currentItem;
// }
// else
// Remove( name );
// }
//}
////create parameter
//if( parameter == null )
//{
// parameter = new ParameterItem();
// parameter.container = this;
// parameter.name = name;
// parameter.type = type;
// parameter.elementCount = elementCount;
// parameters[ name ] = parameter;
//}
var parameter = new NamedParameter();
parameter.Type = type;
parameter.ElementCount = elementCount;
//update value
if (ParameterTypeUtility.CanConvertToByteArray(type))
{
//prepare data array
//if( parameter.valueDataPosition == -1 )
{
int needSize = dataUsedBytes + parameter.GetTotalSizeInBytes();
if (data == null)
{
data = new byte[256];
}
if (needSize > data.Length)
{
int newSize = data.Length * 2;
while (newSize < needSize)
{
newSize *= 2;
}
byte[] newData = new byte[newSize];
Buffer.BlockCopy(data, 0, newData, 0, dataUsedBytes);
data = newData;
}
parameter.ValueDataPosition = dataUsedBytes;
dataUsedBytes += parameter.GetTotalSizeInBytes();
}
//copy value
unsafe
{
fixed(byte *pData = data)
{
//!!!!slowly
if (value.GetType().IsArray)
{
byte *pDest = pData + parameter.ValueDataPosition;
int elementSize = ParameterTypeUtility.GetElementSizeInBytes(parameter.Type);
foreach (var item in (IList)value)
{
Marshal.StructureToPtr(item, (IntPtr)pDest, false);
pDest += elementSize;
}
}
else
{
Marshal.StructureToPtr(value, (IntPtr)(pData + parameter.ValueDataPosition), false);
}
}
}
}
else
{
parameter.ValueReference = value;
}
if (NamedParameters == null)
{
NamedParameters = new Dictionary <string, NamedParameter>(32);
}
NamedParameters[name] = parameter;
unchecked
{
version++;
}
//return parameter;
}