internal Texture2D(GraphicsDevice graphicsDevice, int width, int height, TextureFormat format, bool generateMipMaps, ResourceUsage usage = ResourceUsage.Normal, DataRectangle data = new DataRectangle())
: base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException("width", "Width must be positive.");
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException("height", "Height must be positive.");
}
if (format == TextureFormat.Unknown)
{
throw new ArgumentException("Format must not be TextureFormat.Unknown.", "format");
}
if (width > graphicsDevice.OpenGLCapabilities.MaxTextureSize)
{
throw new PlatformNotSupportedException("width exceeds the maximum texture size");
}
if (height > graphicsDevice.OpenGLCapabilities.MaxTextureSize)
{
throw new PlatformNotSupportedException("height exceeds the maximum texture size");
}
if ((width % 2 != 0 || height % 2 != 0) && !graphicsDevice.OpenGLCapabilities.SupportsNonPowerOf2Textures)
{
throw new PlatformNotSupportedException("Driver doesn't support non power of two textures");
}
if (usage == ResourceUsage.Immutable && (data.IsNull))
{
throw new ArgumentException("data", "Immutable textures must be initialized with data.");
}
this.Width = width;
this.Height = height;
this.MipLevels = generateMipMaps ? OpenGL4.GraphicsDevice.MipLevels(width, height) : 1;
this.Format = format;
this.Usage = usage;
var internalFormat = EnumConverter.Convert(Format);
this.TextureID = GL.GenTexture();
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.SetTexture(this, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2) && !TextureFormatHelper.IsCompressed(Format))
{
GL.TexStorage2D(TextureTarget2d.Texture2D, MipLevels, EnumConverter.ConvertSizedInternalFormat(Format), Width, Height);
}
else
{
int size = 0;
IntPtr ptr = IntPtr.Zero;
if (!data.IsNull)
{
size = data.Size;
ptr = data.Pointer;
}
if (!TextureFormatHelper.IsCompressed(Format))
{
GL.TexImage2D(TextureTarget.Texture2D, 0, internalFormat.Item1, width, height, 0, internalFormat.Item2, internalFormat.Item3, ptr);
}
else if (ptr != IntPtr.Zero)
{
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, internalFormat.Item1, width, height, 0, size, ptr);
isInitialized = true;
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.TextureParameter(TextureID, OpenTK.Graphics.OpenGL.TextureTarget.Texture2D, OpenTK.Graphics.OpenGL.TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2) && !TextureFormatHelper.IsCompressed(Format))
{
Ext.TextureStorage2D(TextureID, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)TextureTarget2d.Texture2D, MipLevels, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.ConvertSizedInternalFormat(Format), Width, Height);
}
else
{
int size = 0;
IntPtr ptr = IntPtr.Zero;
if (!data.IsNull)
{
size = data.Size;
ptr = data.Pointer;
}
if (!TextureFormatHelper.IsCompressed(Format))
{
Ext.TextureImage2D(TextureID, (OpenTK.Graphics.OpenGL.TextureTarget)TextureTarget.Texture2D, 0, (int)internalFormat.Item1, width, height, 0, (OpenTK.Graphics.OpenGL.PixelFormat)internalFormat.Item2, (OpenTK.Graphics.OpenGL.PixelType)internalFormat.Item3, ptr);
}
else if (ptr != IntPtr.Zero)
{
Ext.CompressedTextureImage2D(TextureID, (OpenTK.Graphics.OpenGL.TextureTarget)TextureTarget.Texture2D, 0, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)internalFormat.Item1, width, height, 0, size, ptr);
isInitialized = true;
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Core)
{
}
graphicsDevice.CheckGLError("Texture2D Constructor");
}
internal Texture2D(GraphicsDevice graphicsDevice, int width, int height, TextureFormat format, int mipLevels, ResourceUsage usage = ResourceUsage.Normal, params DataRectangle[] data)
: base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException("width", "Width must be positive.");
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException("height", "Height must be positive.");
}
if (mipLevels < 0)
{
throw new ArgumentOutOfRangeException("mipLevels", "MipLevels must not be negative.");
}
if (format == TextureFormat.Unknown)
{
throw new ArgumentException("Format must not be TextureFormat.Unknown.", "format");
}
if (width > graphicsDevice.OpenGLCapabilities.MaxTextureSize)
{
throw new PlatformNotSupportedException("width exceeds the maximum texture size");
}
if (height > graphicsDevice.OpenGLCapabilities.MaxTextureSize)
{
throw new PlatformNotSupportedException("height exceeds the maximum texture size");
}
if (usage == ResourceUsage.Immutable && (data == null || data.Length == 0))
{
throw new ArgumentException("data", "Immutable textures must be initialized with data.");
}
if (data != null && data.Length != 0 && data.Length < mipLevels)
{
throw new ArgumentOutOfRangeException("data", data.Length, string.Format("data Lenght is too small for specified mipLevels, expected: {0}", mipLevels));
}
this.Width = width;
this.Height = height;
this.Format = format;
this.Usage = usage;
var internalFormat = EnumConverter.Convert(Format);
this.MipLevels = mipLevels > 0 ? mipLevels : 1;
this.TextureID = GL.GenTexture();
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.SetTexture(this, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2) && !TextureFormatHelper.IsCompressed(Format))
{
GL.TexStorage2D(TextureTarget2d.Texture2D, MipLevels, EnumConverter.ConvertSizedInternalFormat(Format), Width, Height);
}
else
{
int size = 0;
IntPtr ptr = IntPtr.Zero;
if (data != null && data.Length > 0)
{
size = data[0].Size;
ptr = data[0].Pointer;
}
if (!TextureFormatHelper.IsCompressed(Format))
{
GL.TexImage2D(TextureTarget.Texture2D, 0, internalFormat.Item1, width, height, 0, internalFormat.Item2, internalFormat.Item3, ptr);
}
else if (ptr != IntPtr.Zero)
{
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, internalFormat.Item1, width, height, 0, size, ptr);
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.TextureParameter(TextureID, OpenTK.Graphics.OpenGL.TextureTarget.Texture2D, OpenTK.Graphics.OpenGL.TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2) && !TextureFormatHelper.IsCompressed(Format))
{
Ext.TextureStorage2D(TextureID, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)TextureTarget2d.Texture2D, MipLevels, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.ConvertSizedInternalFormat(Format), Width, Height);
}
else
{
int size = 0;
IntPtr ptr = IntPtr.Zero;
if (data != null && data.Length > 0)
{
size = data[0].Size;
ptr = data[0].Pointer;
}
if (!TextureFormatHelper.IsCompressed(Format))
{
Ext.TextureImage2D(TextureID, (OpenTK.Graphics.OpenGL.TextureTarget)TextureTarget.Texture2D, 0, (int)internalFormat.Item1, width, height, 0, (OpenTK.Graphics.OpenGL.PixelFormat)internalFormat.Item2, (OpenTK.Graphics.OpenGL.PixelType)internalFormat.Item3, ptr);
}
else if (ptr != IntPtr.Zero)
{
Ext.CompressedTextureImage2D(TextureID, (OpenTK.Graphics.OpenGL.TextureTarget)TextureTarget.Texture2D, 0, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)internalFormat.Item1, width, height, 0, size, ptr);
isInitialized = true;
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Core)
{
}
graphicsDevice.CheckGLError("Texture2D Constructor");
if (data != null && data.Length > 1)
{
for (int i = 1; i < data.Length; i++)
{
SetData(data[i], i);
}
}
}