internal static ValueTypeDescriptor Create(Type type)
{
ValueTypeDescriptor descriptor;
if (!s_descriptors.TryGetValue(type, out descriptor))
{
descriptor = new ValueTypeDescriptor(type, 0);
s_descriptors.Add(type, descriptor);
}
return(descriptor);
}
public ValueTypeDescriptorField(int offset, ValueTypeDescriptor descriptor)
{
Offset = offset;
Descriptor = descriptor;
}
public Field(int offset, string name, ValueTypeDescriptor descriptor)
{
m_offset = offset;
m_name = name;
m_descriptor = descriptor;
}
internal static ValueTypeDescriptor Create(Type type)
{
ValueTypeDescriptor descriptor;
if (!s_descriptors.TryGetValue(type, out descriptor))
{
descriptor = new ValueTypeDescriptor(type, 0);
s_descriptors.Add(type, descriptor);
}
return descriptor;
}
public Field(int offset, string name, ValueTypeDescriptor descriptor)
{
m_offset = offset;
m_name = name;
m_descriptor = descriptor;
}
public ValueTypeDescriptorField(int offset, ValueTypeDescriptor descriptor)
{
Offset = offset;
Descriptor = descriptor;
}
public void SetData <T>(int width, int height, T[] data) where T : struct
{
m_size = new Vector2i(width, height);
var descriptor = ValueTypeDescriptor.Create(typeof(T));
uint format;
if (descriptor.FlattenedCount == 1)
{
format = GL.RED;
}
else if (descriptor.FlattenedCount == 3)
{
format = GL.RGB;
}
else if (descriptor.FlattenedCount == 4)
{
format = GL.RGBA;
}
else
{
throw new ArgumentException("data");
}
GL.BindTexture(GL.TEXTURE_2D, m_name);
GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, (int)GL.NEAREST);
GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, (int)GL.NEAREST);
//GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, (int)GL.LINEAR);
//GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, (int)GL.LINEAR);
GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, (int)GL.CLAMP_TO_EDGE);
GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, (int)GL.CLAMP_TO_EDGE);
if (data == null)
{
GL.TexImage2D(
GL.TEXTURE_2D,
0,
(int)format,
width,
height,
0,
format,
descriptor.FlattenedType,
IntPtr.Zero
);
}
else
{
var handle = GCHandle.Alloc(data, GCHandleType.Pinned);
try
{
GL.TexImage2D(
GL.TEXTURE_2D,
0,
(int)format,
width,
height,
0,
format,
descriptor.FlattenedType,
handle.AddrOfPinnedObject()
);
}
finally
{
handle.Free();
}
}
GL.BindTexture(GL.TEXTURE_2D, 0);
}
