public void CreateVbo(long key, int dataSize, IntPtr hostAddress)
{
int handle = GL.GenBuffer();
_vboCache.AddOrUpdate(key, handle, dataSize);
IntPtr length = new IntPtr(dataSize);
GL.BindBuffer(BufferTarget.ArrayBuffer, handle);
GL.BufferData(BufferTarget.ArrayBuffer, length, hostAddress, BufferUsageHint.StreamDraw);
}
public void Create(long key, int size, GalImage image)
{
int handle = GL.GenTexture();
TextureTarget target = ImageUtils.GetTextureTarget(image.TextureTarget);
GL.BindTexture(target, handle);
const int level = 0; //TODO: Support mipmap textures.
const int border = 0;
_textureCache.AddOrUpdate(key, new ImageHandler(handle, image), (uint)size);
if (ImageUtils.IsCompressed(image.Format))
{
throw new InvalidOperationException("Surfaces with compressed formats are not supported!");
}
(PixelInternalFormat internalFmt,
PixelFormat format,
PixelType type) = OglEnumConverter.GetImageFormat(image.Format);
switch (target)
{
case TextureTarget.Texture1D:
GL.TexImage1D(
target,
level,
internalFmt,
image.Width,
border,
format,
type,
IntPtr.Zero);
break;
case TextureTarget.Texture2D:
GL.TexImage2D(
target,
level,
internalFmt,
image.Width,
image.Height,
border,
format,
type,
IntPtr.Zero);
break;
case TextureTarget.Texture3D:
GL.TexImage3D(
target,
level,
internalFmt,
image.Width,
image.Height,
image.Depth,
border,
format,
type,
IntPtr.Zero);
break;
case TextureTarget.Texture2DArray:
GL.TexImage3D(
target,
level,
internalFmt,
image.Width,
image.Height,
image.LayerCount,
border,
format,
type,
IntPtr.Zero);
break;
default:
throw new NotImplementedException($"Unsupported texture target type: {target}");
}
}
public void Create(long key, long size)
{
OglStreamBuffer buffer = new OglStreamBuffer(BufferTarget.UniformBuffer, size);
_cache.AddOrUpdate(key, buffer, size);
}
