internal Sampler(GraphicsDevice graphicsDevice, SamplerInfo info)
: base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
Info = info;
if ((Info.MagFilter == TextureFilter.Anisotropic || Info.MinFilter == TextureFilter.Anisotropic) && (!graphicsDevice.OpenGLCapabilities.SupportsAnisotropicFiltering || Info.MaximumAnisotropy > graphicsDevice.OpenGLCapabilities.MaxAnisotropicFiltering))
{
throw new PlatformNotSupportedException("Anisotropic filtering is not supported at that level or at all.");
}
if (Info.MaximumAnisotropy == 0 && (Info.MagFilter == TextureFilter.Anisotropic || Info.MinFilter == TextureFilter.Anisotropic))
{
throw new ArgumentException("MaximumAnisotropy must not be 0");
}
if (Info.MipLodBias > graphicsDevice.OpenGLCapabilities.MaxTextureLoDBias)
{
throw new PlatformNotSupportedException("MipLoDBias is higher than max lod bias.");
}
SamplerID = GL.GenSampler();
//AddressMode
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureWrapS, (float)EnumConverter.Convert(Info.AddressU));
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureWrapT, (float)EnumConverter.Convert(Info.AddressV));
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureWrapR, (float)EnumConverter.Convert(Info.AddressW));
graphicsDevice.CheckGLError();
//Filtering
Tuple <TextureMinFilter, TextureMagFilter> filter = EnumConverter.Convert(Info.MinFilter, Info.MagFilter, Info.MipFilter);
TextureMinFilter min = (TextureMinFilter)filter.Item1;
TextureMagFilter mag = (TextureMagFilter)filter.Item2;
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureMinFilter, (float)min);
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureMagFilter, (float)mag);
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureMaxAnisotropyExt, Info.MaximumAnisotropy);
//Border color
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureBorderColor, new float[] { Info.BorderColor.R, Info.BorderColor.G, Info.BorderColor.B, Info.BorderColor.A });
//Compare modes
if (Info.Type == SamplerType.Comparison)
{
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureCompareMode, (float)TextureCompareMode.CompareRefToTexture);
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureCompareFunc, (float)EnumConverter.Convert(Info.ComparisonFunction));
}
else
{
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureCompareMode, (float)TextureCompareMode.None);
}
//LoD
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureMinLod, Info.MinimumLod);
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureMaxLod, Info.MaximumLod);
GL.SamplerParameter(SamplerID, SamplerParameterName.TextureLodBias, Info.MipLodBias);
graphicsDevice.CheckGLError();
}
internal Shader(GraphicsDevice graphicsDevice, byte[] binaryCode)
: base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
this.binaryCode = binaryCode;
ProgramID = GL.CreateProgram();
using (MemoryStream stream = new MemoryStream(binaryCode))
using (BinaryReader reader = new BinaryReader(stream))
{
if (reader.ReadString() != "OPENGL4")
{
throw new ArgumentException("Invalid header of binary code.", "binaryCode");
}
int format = reader.ReadInt32();
int codeSize = reader.ReadInt32();
byte[] code = reader.ReadBytes(codeSize);
GL.ProgramBinary(ProgramID, (BinaryFormat)format, code, code.Length);
int linkStatus;
GL.GetProgram(ProgramID, GetProgramParameterName.LinkStatus, out linkStatus);
if (linkStatus == 0)
{
throw new GraphicsException(GL.GetProgramInfoLog(ProgramID));
}
graphicsDevice.CheckGLError();
}
FindUniforms();
FindUniformBlocks();
}
public IndexBuffer(GraphicsDevice graphicsDevice, IndexFormat format, ResourceUsage usage, int indexCount) : base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
if (indexCount <= 0)
{
throw new ArgumentOutOfRangeException("indexCount", indexCount, "indexCount must be bigger than zero.");
}
if (usage == ResourceUsage.Immutable)
{
throw new ArgumentException("data", "Immutable buffers must be initialized with data.");
}
EnumConverter.Convert(Format); //Check whether format is supported
this.Usage = usage;
this.Format = format;
SizeBytes = indexCount * graphicsDevice.GetSizeOf(format);
IboID = GL.GenBuffer();
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.IndexBuffer = this;
GL.BufferData(BufferTarget.ElementArrayBuffer, new IntPtr(SizeBytes), IntPtr.Zero, EnumConverter.Convert(Usage));
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.NamedBufferData(IboID, new IntPtr(SizeBytes), IntPtr.Zero, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.Convert(Usage));
}
graphicsDevice.CheckGLError("IndexBuffer Constructor");
}
public IndexBuffer(GraphicsDevice graphicsDevice, IndexFormat format, ResourceUsage usage, DataArray data) : base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
if (data.IsNull)
{
throw new ArgumentNullException("data.Pointer");
}
if (data.Size <= 0)
{
throw new ArgumentOutOfRangeException("data.Size", data.Size, "Size must be bigger than 0.");
}
EnumConverter.Convert(Format); //Check whether format is supported
this.Usage = usage;
this.Format = format;
IboID = GL.GenBuffer();
if (!data.IsNull)
{
SizeBytes = data.Size;
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.IndexBuffer = this;
GL.BufferData(BufferTarget.ElementArrayBuffer, new IntPtr(SizeBytes), data.Pointer, EnumConverter.Convert(Usage));
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.NamedBufferData(IboID, new IntPtr(SizeBytes), data.Pointer, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.Convert(Usage));
}
}
graphicsDevice.CheckGLError("IndexBuffer Constructor");
}
internal ConstantBuffer(GraphicsDevice graphicsDevice, int sizeBytes, ResourceUsage usage)
: base(graphicsDevice, new System.Diagnostics.StackTrace())
{
if (usage == ResourceUsage.Immutable)
{
throw new ArgumentException("data", "Immutable buffers must be initialized with data.");
}
if (sizeBytes <= 0)
{
throw new ArgumentOutOfRangeException("sizeBytes", sizeBytes, "Size must be bigger than 0.");
}
this.SizeBytes = sizeBytes;
this.Usage = usage;
UboId = GL.GenBuffer();
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.ConstantBuffer = this;
GL.BufferData(BufferTarget.UniformBuffer, new IntPtr(SizeBytes), IntPtr.Zero, EnumConverter.Convert(Usage));
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.NamedBufferData(UboId, new IntPtr(SizeBytes), IntPtr.Zero, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.Convert(Usage));
}
graphicsDevice.CheckGLError("Constant Buffer Constructor");
}
internal ConstantBuffer(GraphicsDevice graphicsDevice, ResourceUsage usage, DataArray data)
: base(graphicsDevice, new System.Diagnostics.StackTrace())
{
if (data.IsNull)
{
throw new ArgumentNullException("data.Pointer");
}
if (data.Size <= 0)
{
throw new ArgumentOutOfRangeException("data.Size", data.Size, "Size must be bigger than 0.");
}
if (data.Size > graphicsDevice.OpenGLCapabilities.MaxUniformBlockSize)
{
throw new PlatformNotSupportedException(string.Format("data.Size {0} is too big. Supported maximum is {1}", data.Size, graphicsDevice.OpenGLCapabilities.MaxUniformBlockSize));
}
this.Usage = usage;
UboId = GL.GenBuffer();
graphicsDevice.CheckGLError();
if (!data.IsNull)
{
this.SizeBytes = data.Size;
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.ConstantBuffer = this;
GL.BufferData(BufferTarget.UniformBuffer, new IntPtr(SizeBytes), data.Pointer, EnumConverter.Convert(Usage));
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.NamedBufferData(UboId, new IntPtr(SizeBytes), data.Pointer, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.Convert(Usage));
}
}
graphicsDevice.CheckGLError("Constant Buffer Constructor");
}
internal ShaderPart(GraphicsDevice graphicsDevice, string shaderSource, ShaderType shaderType)
{
//Comile and attach Vertex shader
ID = GL.CreateShader(shaderType);
GL.ShaderSource(ID, shaderSource);
GL.CompileShader(ID);
int vertexShaderStatus;
GL.GetShader(ID, ShaderParameter.CompileStatus, out vertexShaderStatus);
if (vertexShaderStatus == 0)
{
throw new DotGame.Graphics.GraphicsException(string.Format("{0}: {1}", shaderType.ToString(), GL.GetShaderInfoLog(ID)));
}
graphicsDevice.CheckGLError();
}
internal VertexBuffer(GraphicsDevice graphicsDevice, VertexDescription description, ResourceUsage usage, DataArray data)
: base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
if (data.IsNull)
{
throw new ArgumentNullException("data.Pointer");
}
if (data.Size <= 0)
{
throw new ArgumentOutOfRangeException("data.Size", data.Size, "Size must be bigger than 0.");
}
this.Description = description;
this.Usage = usage;
VboID = GL.GenBuffer();
if (!graphicsDevice.OpenGLCapabilities.VertexAttribBinding)
{
VaoID = GL.GenVertexArray();
LayoutDirty = true;
}
if (!data.IsNull)
{
SizeBytes = data.Size;
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.VertexBuffer = this;
GL.BufferData(BufferTarget.ArrayBuffer, new IntPtr(SizeBytes), data.Pointer, EnumConverter.Convert(Usage));
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.NamedBufferData(VboID, new IntPtr(SizeBytes), data.Pointer, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.Convert(Usage));
}
}
graphicsDevice.CheckGLError("VertexBuffer Constructor");
}
internal VertexBuffer(GraphicsDevice graphicsDevice, VertexDescription description, ResourceUsage usage, int vertexCount)
: base(graphicsDevice, new System.Diagnostics.StackTrace(1))
{
if (vertexCount <= 0)
{
throw new ArgumentException("vertexCount must not be smaller than/ equal to zero.", "vertexCount");
}
if (usage == ResourceUsage.Immutable)
{
throw new ArgumentException("data", "Immutable buffers must be initialized with data.");
}
this.Description = description;
this.Usage = usage;
VboID = GL.GenBuffer();
if (!graphicsDevice.OpenGLCapabilities.VertexAttribBinding)
{
VaoID = GL.GenVertexArray();
LayoutDirty = true;
}
SizeBytes = vertexCount * graphicsDevice.GetSizeOf(description);
if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
graphicsDevice.BindManager.VertexBuffer = this;
GL.BufferData(BufferTarget.ArrayBuffer, new IntPtr(SizeBytes), IntPtr.Zero, EnumConverter.Convert(Usage));
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
OpenTK.Graphics.OpenGL.GL.Ext.NamedBufferData(VboID, new IntPtr(SizeBytes), IntPtr.Zero, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.Convert(Usage));
}
graphicsDevice.CheckGLError("VertexBuffer Constructor");
}
} internal Texture3D(GraphicsDevice graphicsDevice, int width, int height, int length, TextureFormat format, bool generateMipMaps, ResourceUsage usage = ResourceUsage.Normal, DataBox data = new DataBox())
: 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 || length % 2 != 0) && graphicsDevice.OpenGLCapabilities.SupportsNonPowerOf2Textures)
{
throw new PlatformNotSupportedException("Driver doesn't support non power of two textures");
}
if (length > graphicsDevice.OpenGLCapabilities.MaxTextureSize)
{
throw new PlatformNotSupportedException("length exceeds the maximum texture size");
}
if (usage == ResourceUsage.Immutable && (data.IsNull))
{
throw new ArgumentException("data", "Immutable textures must be initialized with data.");
}
this.Width = width;
this.Height = height;
this.Length = length;
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);
//Höchstes Mipmap-Level setzen
GL.TexParameter(TextureTarget.Texture3D, TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
//Die Textur erstellen (Null Daten funktionieren nicht mit Compression)
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2))
{
GL.TexStorage3D(TextureTarget3d.Texture3D, MipLevels, EnumConverter.ConvertSizedInternalFormat(Format), Width, Height, Length);
}
else
{
int size = 0;
IntPtr ptr = IntPtr.Zero;
if (!data.IsNull)
{
size = data.Size;
ptr = data.Pointer;
}
if (!TextureFormatHelper.IsCompressed(Format))
{
GL.TexImage3D(TextureTarget.Texture3D, 0, internalFormat.Item1, width, height, length, 0, internalFormat.Item2, internalFormat.Item3, ptr);
}
else if (ptr != IntPtr.Zero)
{
GL.CompressedTexImage3D(TextureTarget.Texture3D, 0, internalFormat.Item1, width, height, length, 0, size, ptr);
isInitialized = true;
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
//Höchstes Mipmap-Level setzen
OpenTK.Graphics.OpenGL.GL.Ext.TextureParameter(TextureID, OpenTK.Graphics.OpenGL.TextureTarget.Texture3D, OpenTK.Graphics.OpenGL.TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
//Die Textur erstellen (Null Daten funktionieren nicht mit Compression)
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2) && !TextureFormatHelper.IsCompressed(Format))
{
Ext.TextureStorage3D(TextureID, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)TextureTarget3d.Texture3D, MipLevels, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.ConvertSizedInternalFormat(Format), Width, Height, Length);
}
else
{
int size = 0;
IntPtr ptr = IntPtr.Zero;
if (!data.IsNull)
{
size = data.Size;
ptr = data.Pointer;
}
if (!TextureFormatHelper.IsCompressed(Format))
{
Ext.TextureImage3D(TextureID, (OpenTK.Graphics.OpenGL.TextureTarget)TextureTarget.Texture3D, 0, (int)internalFormat.Item1, width, height, length, 0, (OpenTK.Graphics.OpenGL.PixelFormat)internalFormat.Item2, (OpenTK.Graphics.OpenGL.PixelType)internalFormat.Item3, ptr);
}
else if (ptr != IntPtr.Zero)
{
Ext.CompressedTextureImage3D(TextureID, OpenTK.Graphics.OpenGL.TextureTarget.Texture3D, 0, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)internalFormat.Item1, width, height, length, 0, size, ptr);
isInitialized = true;
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Core)
{
}
graphicsDevice.CheckGLError("Texture3D 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);
}
}
}
internal Texture2DArray(GraphicsDevice graphicsDevice, int width, int height, int arraySize, TextureFormat format, bool generateMipMaps, 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 (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 (width != height)
{
throw new PlatformNotSupportedException("Texture arrays must be quadratic");
}
if (arraySize <= 0)
{
throw new ArgumentOutOfRangeException("Array Size must be at least one", "arraySize");
}
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 < arraySize)
{
throw new ArgumentOutOfRangeException("data", data.Length, string.Format("data Lenght is too small for specified arraySize, expected: {0}", arraySize));
}
this.Width = width;
this.Height = height;
this.ArraySize = arraySize;
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.Texture2DArray, TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (!TextureFormatHelper.IsCompressed(Format))
{
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2))
{
GL.TexStorage3D(TextureTarget3d.Texture2DArray, MipLevels, EnumConverter.ConvertSizedInternalFormat(Format), Width, Height, ArraySize);
}
else
{
GL.TexImage3D(TextureTarget.Texture2DArray, 0, internalFormat.Item1, width, height, arraySize, 0, internalFormat.Item2, internalFormat.Item3, IntPtr.Zero);
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
Ext.TextureParameter(TextureID, OpenTK.Graphics.OpenGL.TextureTarget.Texture2D, OpenTK.Graphics.OpenGL.TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (!TextureFormatHelper.IsCompressed(Format))
{
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2))
{
Ext.TextureStorage3D(TextureID, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)TextureTarget3d.Texture2DArray, MipLevels, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.ConvertSizedInternalFormat(Format), Width, Height, ArraySize);
}
else
{
Ext.TextureImage3D(TextureID, (OpenTK.Graphics.OpenGL.TextureTarget)TextureTarget.Texture3D, 0, (int)internalFormat.Item1, width, height, arraySize, 0, (OpenTK.Graphics.OpenGL.PixelFormat)internalFormat.Item2, (OpenTK.Graphics.OpenGL.PixelType)internalFormat.Item3, IntPtr.Zero);
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Core)
{
}
if (data != null)
{
for (int i = 0; i < data.Length; i++)
{
SetData(data[i], i, 0);
}
}
graphicsDevice.CheckGLError();
}
internal Texture2DArray(GraphicsDevice graphicsDevice, int width, int height, int arraySize, 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 (width != height)
{
throw new PlatformNotSupportedException("Texture arrays must be quadratic");
}
if (arraySize <= 0)
{
throw new ArgumentOutOfRangeException("Array Size must be at least one", "arraySize");
}
if (data != null && data.Length != 0 && data.Length < mipLevels * arraySize)
{
throw new ArgumentOutOfRangeException("data", data.Length, string.Format("data Lenght is too small for specified arraySize and mipLevels, expected: {0}", mipLevels * arraySize));
}
this.Width = width;
this.Height = height;
this.ArraySize = arraySize;
this.MipLevels = mipLevels > 0 ? mipLevels : 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.Texture2DArray, TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (!TextureFormatHelper.IsCompressed(Format))
{
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2))
{
GL.TexStorage3D(TextureTarget3d.Texture2DArray, MipLevels, EnumConverter.ConvertSizedInternalFormat(Format), Width, Height, ArraySize);
}
else
{
GL.TexImage3D(TextureTarget.Texture2DArray, 0, internalFormat.Item1, width, height, arraySize, 0, internalFormat.Item2, internalFormat.Item3, IntPtr.Zero);
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Extension)
{
Ext.TextureParameter(TextureID, OpenTK.Graphics.OpenGL.TextureTarget.Texture2D, OpenTK.Graphics.OpenGL.TextureParameterName.TextureMaxLevel, this.MipLevels - 1);
if (!TextureFormatHelper.IsCompressed(Format))
{
if (graphicsDevice.OpenGLCapabilities.SupportsTextureStorage && graphicsDevice.OpenGLCapabilities.OpenGLVersion > new Version(4, 2))
{
Ext.TextureStorage3D(TextureID, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)TextureTarget3d.Texture2DArray, MipLevels, (OpenTK.Graphics.OpenGL.ExtDirectStateAccess)EnumConverter.ConvertSizedInternalFormat(Format), Width, Height, ArraySize);
}
else
{
Ext.TextureImage3D(TextureID, (OpenTK.Graphics.OpenGL.TextureTarget)TextureTarget.Texture3D, 0, (int)internalFormat.Item1, width, height, arraySize, 0, (OpenTK.Graphics.OpenGL.PixelFormat)internalFormat.Item2, (OpenTK.Graphics.OpenGL.PixelType)internalFormat.Item3, IntPtr.Zero);
}
}
}
else if (graphicsDevice.OpenGLCapabilities.DirectStateAccess == DirectStateAccess.Core)
{
}
if (data != null)
{
for (int i = 0; i < data.Length; i++)
{
int arrayIndex = i / MipLevels;
int mipIndex = i - arrayIndex * MipLevels; //Macht Sinn weil int gerundet wird
SetData(data[i], arrayIndex, 0);
}
}
graphicsDevice.CheckGLError();
}