public Texture2DGL3x(Texture2DDescription description, TextureTarget textureTarget)
{
if (description.Width <= 0)
{
throw new ArgumentOutOfRangeException("description.Width", "description.Width must be greater than zero.");
}
if (description.Height <= 0)
{
throw new ArgumentOutOfRangeException("description.Height", "description.Height must be greater than zero.");
}
if (description.GenerateMipmaps)
{
if (textureTarget == TextureTarget.TextureRectangle)
{
throw new ArgumentException("description.GenerateMipmaps cannot be true for texture rectangles.", "description");
}
if (!TextureUtility.IsPowerOfTwo(Convert.ToUInt32(description.Width)))
{
throw new ArgumentException("When description.GenerateMipmaps is true, the width must be a power of two.", "description");
}
if (!TextureUtility.IsPowerOfTwo(Convert.ToUInt32(description.Height)))
{
throw new ArgumentException("When description.GenerateMipmaps is true, the height must be a power of two.", "description");
}
}
_name = new TextureNameGL3x();
_target = textureTarget;
_description = description;
_lastTextureUnit = OpenTKTextureUnit.Texture0 + (Device.NumberOfTextureUnits - 1);
//
// TexImage2D is just used to allocate the texture so a PBO can't be bound.
//
WritePixelBufferGL3x.UnBind();
BindToLastTextureUnit();
GL.TexImage2D(_target, 0,
TypeConverterGL3x.To(description.TextureFormat),
description.Width,
description.Height,
0,
TypeConverterGL3x.TextureToPixelFormat(description.TextureFormat),
TypeConverterGL3x.TextureToPixelType(description.TextureFormat),
new IntPtr());
//
// Default sampler, compatiable when attaching a non-mimapped
// texture to a frame buffer object.
//
ApplySampler(Device.TextureSamplers.LinearClamp);
GC.AddMemoryPressure(description.ApproximateSizeInBytes);
}
public Texture2DGL3x(Texture2DDescription description, TextureTarget textureTarget)
{
if (description.Width <= 0)
{
throw new ArgumentOutOfRangeException("description.Width", "description.Width must be greater than zero.");
}
if (description.Height <= 0)
{
throw new ArgumentOutOfRangeException("description.Height", "description.Height must be greater than zero.");
}
if (description.GenerateMipmaps)
{
if (textureTarget == TextureTarget.TextureRectangle)
{
throw new ArgumentException("description.GenerateMipmaps cannot be true for texture rectangles.", "description");
}
if (!TextureUtility.IsPowerOfTwo(Convert.ToUInt32(description.Width)))
{
throw new ArgumentException("When description.GenerateMipmaps is true, the width must be a power of two.", "description");
}
if (!TextureUtility.IsPowerOfTwo(Convert.ToUInt32(description.Height)))
{
throw new ArgumentException("When description.GenerateMipmaps is true, the height must be a power of two.", "description");
}
}
_name = new TextureNameGL3x();
_target = textureTarget;
_description = description;
_lastTextureUnit = OpenTKTextureUnit.Texture0 + (Device.NumberOfTextureUnits - 1);
//
// TexImage2D is just used to allocate the texture so a PBO can't be bound.
//
WritePixelBufferGL3x.UnBind();
BindToLastTextureUnit();
GL.TexImage2D(_target, 0,
TypeConverterGL3x.To(description.TextureFormat),
description.Width,
description.Height,
0,
TypeConverterGL3x.TextureToPixelFormat(description.TextureFormat),
TypeConverterGL3x.TextureToPixelType(description.TextureFormat),
new IntPtr());
//
// Default sampler, compatiable when attaching a non-mimapped
// texture to a frame buffer object.
//
ApplySampler(Device.TextureSamplers.LinearClamp);
GC.AddMemoryPressure(description.ApproximateSizeInBytes);
}
