public override DeviceTexture2D CreateTexture(
int mipLevels,
int width,
int height,
PixelFormat format,
DeviceTextureCreateOptions createOptions)
{
OpenTK.Graphics.OpenGL.PixelFormat pixelFormat = OpenGLFormats.MapPixelFormat(format);
PixelInternalFormat pixelInternalFormat = OpenGLFormats.MapPixelInternalFormat(format);
if (createOptions == DeviceTextureCreateOptions.DepthStencil)
{
if (format != PixelFormat.R16_UInt)
{
throw new NotImplementedException("R16_UInt is the only supported depth texture format.");
}
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.DepthComponent;
pixelInternalFormat = PixelInternalFormat.DepthComponent16;
}
return(new OpenGLTexture2D(
mipLevels,
width,
height,
format,
pixelInternalFormat,
pixelFormat,
OpenGLFormats.MapPixelType(format)));
}
public OpenGLCubemapTexture(
IntPtr pixelsFront,
IntPtr pixelsBack,
IntPtr pixelsLeft,
IntPtr pixelsRight,
IntPtr pixelsTop,
IntPtr pixelsBottom,
int width,
int height,
PixelFormat format)
: base(TextureTarget.TextureCubeMap, width, height)
{
_internalFormat = OpenGLFormats.MapPixelInternalFormat(format);
_format = OpenGLFormats.MapPixelFormat(format);
_type = OpenGLFormats.MapPixelType(format);
Bind();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapR, (int)TextureWrapMode.ClampToEdge);
SetFacePixels(0, pixelsRight);
SetFacePixels(1, pixelsLeft);
SetFacePixels(2, pixelsTop);
SetFacePixels(3, pixelsBottom);
SetFacePixels(4, pixelsBack);
SetFacePixels(5, pixelsFront);
}
public static OpenGLTexture2D Create <T>(T[] pixelData, int width, int height, int pixelSizeInBytes, PixelFormat format) where T : struct
{
var internalFormat = OpenGLFormats.MapPixelInternalFormat(format);
var pixelFormat = OpenGLFormats.MapPixelFormat(format);
var pixelType = OpenGLFormats.MapPixelType(format);
OpenGLTexture2D texture = new OpenGLTexture2D(
width,
height,
format,
internalFormat,
pixelFormat,
pixelType);
texture.Bind();
GL.TexImage2D(TextureTarget.Texture2D, 0, internalFormat, width, height, 0, pixelFormat, pixelType, pixelData);
GL.BindTexture(TextureTarget.Texture2D, 0);
return(texture);
}
public OpenGLTexture2D(int width, int height, PixelFormat format, IntPtr pixelData)
: this(1, width, height, format, OpenGLFormats.MapPixelInternalFormat(format), OpenGLFormats.MapPixelFormat(format), OpenGLFormats.MapPixelType(format))
{
SetTextureData(1, 0, 0, width, height, pixelData, FormatHelpers.GetPixelSizeInBytes(format) * width * height);
}
public OpenGLTexture2D(int width, int height, PixelFormat format, IntPtr pixelData)
: this(width, height, format, OpenGLFormats.MapPixelInternalFormat(format), OpenGLFormats.MapPixelFormat(format), OpenGLFormats.MapPixelType(format), pixelData)
{
}
