/// <summary>
/// Initializes a new instance of the OpenGLTexture2D class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="pixels">A pointer to the raw pixel data with which to populate the texture.</param>
/// <param name="width">The texture's width in pixels.</param>
/// <param name="height">The texture's height in pixels.</param>
/// <param name="bytesPerPixel">The number of bytes which represent each pixel in the raw data.</param>
/// <param name="options">The texture's configuration options.</param>
public OpenGLTexture2D(UltravioletContext uv, IntPtr pixels, Int32 width, Int32 height, Int32 bytesPerPixel, TextureOptions options)
: base(uv)
{
Contract.EnsureRange(width > 0, nameof(width));
Contract.EnsureRange(height > 0, nameof(height));
Contract.EnsureRange(bytesPerPixel >= 3 || bytesPerPixel <= 4, nameof(bytesPerPixel));
var isSrgb = (options & TextureOptions.SrgbColor) == TextureOptions.SrgbColor;
var isLinear = (options & TextureOptions.LinearColor) == TextureOptions.LinearColor;
if (isSrgb && isLinear)
{
throw new ArgumentException(UltravioletStrings.TextureCannotHaveMultipleEncodings);
}
var caps = uv.GetGraphics().Capabilities;
var srgbEncoded = (isLinear ? false : (isSrgb ? true : uv.Properties.SrgbDefaultForTexture2D)) && caps.SrgbEncodingEnabled;
var format = OpenGLTextureUtil.GetFormatFromBytesPerPixel(bytesPerPixel);
var internalformat = OpenGLTextureUtil.GetInternalFormatFromBytesPerPixel(bytesPerPixel, srgbEncoded);
if (format == gl.GL_NONE || internalformat == gl.GL_NONE)
{
throw new NotSupportedException(OpenGLStrings.UnsupportedImageType);
}
CreateNativeTexture(uv, internalformat, width, height, format,
gl.GL_UNSIGNED_BYTE, (void *)pixels, (options & TextureOptions.ImmutableStorage) == TextureOptions.ImmutableStorage);
}
/// <inheritdoc/>
public override Texture3D ImportPreprocessed(ContentManager manager, IContentProcessorMetadata metadata, BinaryReader reader)
{
var caps = manager.Ultraviolet.GetGraphics().Capabilities;
var version = 0u;
var depth = reader.ReadInt32();
if (depth == Int32.MaxValue)
{
version = reader.ReadUInt32();
}
if (version > 0u)
{
depth = reader.ReadInt32();
}
var srgbEncoded = false;
if (version > 0u)
{
srgbEncoded = reader.ReadBoolean() && caps.SrgbEncodingEnabled;
}
var layerSurfaces = new List <SurfaceSource>();
var layerPointers = new List <IntPtr>();
try
{
for (int i = 0; i < depth; i++)
{
var length = reader.ReadInt32();
var bytes = reader.ReadBytes(length);
using (var stream = new MemoryStream(bytes))
{
var surfaceSource = SurfaceSource.Create(stream);
layerSurfaces.Add(surfaceSource);
layerPointers.Add(surfaceSource.Data);
}
}
var layerWidth = layerSurfaces[0].Width;
var layerHeight = layerSurfaces[0].Height;
var internalformat = OpenGLTextureUtil.GetInternalFormatFromBytesPerPixel(4, srgbEncoded);
var format = (layerSurfaces[0].DataFormat == SurfaceSourceDataFormat.RGBA) ? gl.GL_RGBA : gl.GL_BGRA;
return(new OpenGLTexture3D(manager.Ultraviolet, internalformat, layerWidth, layerHeight, format,
gl.GL_UNSIGNED_BYTE, layerPointers, true));
}
finally
{
foreach (var layerSurface in layerSurfaces)
{
layerSurface.Dispose();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="OpenGLTexture3D"/> class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="data">A list of pointers to the raw pixel data for each of the texture's layers.</param>
/// <param name="width">The texture's width in pixels.</param>
/// <param name="height">The texture's height in pixels.</param>
/// <param name="bytesPerPixel">The number of bytes which represent each pixel in the raw data.</param>
/// <param name="options">The texture's configuration options.</param>
public OpenGLTexture3D(UltravioletContext uv, IList <IntPtr> data, Int32 width, Int32 height, Int32 bytesPerPixel, TextureOptions options)
: base(uv)
{
Contract.Require(data, nameof(data));
Contract.EnsureRange(width > 0, nameof(width));
Contract.EnsureRange(height > 0, nameof(height));
Contract.EnsureRange(bytesPerPixel == 3 || bytesPerPixel == 4, nameof(bytesPerPixel));
var isLinear = (options & TextureOptions.LinearColor) == TextureOptions.LinearColor;
var isSrgb = (options & TextureOptions.SrgbColor) == TextureOptions.SrgbColor;
if (isLinear && isSrgb)
{
throw new ArgumentException(UltravioletStrings.TextureCannotHaveMultipleEncodings);
}
var caps = uv.GetGraphics().Capabilities;
var srgbEncoded = isLinear ? false : (isSrgb ? true : uv.Properties.SrgbDefaultForSurface3D) && caps.SrgbEncodingEnabled;
var format = OpenGLTextureUtil.GetFormatFromBytesPerPixel(bytesPerPixel);
var internalformat = OpenGLTextureUtil.GetInternalFormatFromBytesPerPixel(bytesPerPixel, srgbEncoded);
if (format == gl.GL_NONE || internalformat == gl.GL_NONE)
{
throw new NotSupportedException(OpenGLStrings.UnsupportedImageType);
}
var pixels = IntPtr.Zero;
try
{
pixels = CreateConcatenatedPixelBuffer(data, width * height * bytesPerPixel);
CreateNativeTexture(uv, internalformat, width, height, data.Count, format,
gl.GL_UNSIGNED_BYTE, (void *)pixels, true);
}
finally
{
if (pixels != IntPtr.Zero)
{
Marshal.FreeHGlobal(pixels);
}
}
}
/// <summary>
/// Reallocates the renderbuffer's storage.
/// </summary>
/// <param name="width">The renderbuffer's width in pixels.</param>
/// <param name="height">The renderbuffer's height in pixels.</param>
private void AllocateRenderbufferStorage(Int32 width, Int32 height)
{
using (OpenGLState.ScopedBindRenderbuffer(renderbuffer, true))
{
switch (format)
{
case RenderBufferFormat.Color:
{
var internalformat = OpenGLTextureUtil.GetInternalFormatFromBytesPerPixel(4, SrgbEncoded);
gl.RenderbufferStorage(gl.GL_RENDERBUFFER, internalformat, width, height);
gl.ThrowIfError();
}
break;
case RenderBufferFormat.Depth24Stencil8:
gl.RenderbufferStorage(gl.GL_RENDERBUFFER, gl.GL_DEPTH24_STENCIL8, width, height);
gl.ThrowIfError();
break;
case RenderBufferFormat.Depth32:
gl.RenderbufferStorage(gl.GL_RENDERBUFFER, gl.GL_DEPTH_COMPONENT32, width, height);
gl.ThrowIfError();
break;
case RenderBufferFormat.Depth16:
gl.RenderbufferStorage(gl.GL_RENDERBUFFER, gl.GL_DEPTH_COMPONENT16, width, height);
gl.ThrowIfError();
break;
case RenderBufferFormat.Stencil8:
gl.RenderbufferStorage(gl.GL_RENDERBUFFER, gl.GL_STENCIL_INDEX8, width, height);
break;
default:
throw new NotSupportedException("format");
}
}
}
/// <inheritdoc/>
public override Texture2D ImportPreprocessed(ContentManager manager, IContentProcessorMetadata metadata, BinaryReader reader)
{
var caps = manager.Ultraviolet.GetGraphics().Capabilities;
var version = 0u;
var length = reader.ReadInt32();
if (length == Int32.MaxValue)
{
version = reader.ReadUInt32();
}
if (version > 0u)
{
length = reader.ReadInt32();
}
var srgbEncoded = false;
if (version > 0u)
{
srgbEncoded = reader.ReadBoolean() && caps.SrgbEncodingEnabled;
}
var bytes = reader.ReadBytes(length);
using (var stream = new MemoryStream(bytes))
{
using (var source = SurfaceSource.Create(stream))
{
var format = (source.DataFormat == SurfaceSourceDataFormat.RGBA) ? gl.GL_RGBA : gl.GL_BGRA;
var internalformat = OpenGLTextureUtil.GetInternalFormatFromBytesPerPixel(4, srgbEncoded);
return(new OpenGLTexture2D(manager.Ultraviolet, internalformat,
source.Width, source.Height, format, gl.GL_UNSIGNED_BYTE, source.Data, true));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="OpenGLTexture3D"/> class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="width">The texture's width in pixels.</param>
/// <param name="height">The texture's height in pixels.</param>
/// <param name="depth">The texture's depth in layers.</param>
/// <param name="options">The texture's configuration options.</param>
public OpenGLTexture3D(UltravioletContext uv, Int32 width, Int32 height, Int32 depth, TextureOptions options)
: base(uv)
{
Contract.EnsureRange(width > 0, nameof(width));
Contract.EnsureRange(height > 0, nameof(height));
Contract.EnsureRange(depth > 0, nameof(depth));
var isLinear = (options & TextureOptions.LinearColor) == TextureOptions.LinearColor;
var isSrgb = (options & TextureOptions.SrgbColor) == TextureOptions.SrgbColor;
if (isLinear && isSrgb)
{
throw new ArgumentException(UltravioletStrings.TextureCannotHaveMultipleEncodings);
}
var caps = uv.GetGraphics().Capabilities;
var srgbEncoded = isLinear ? false : (isSrgb ? true : uv.Properties.SrgbDefaultForSurface3D) && caps.SrgbEncodingEnabled;
var format = OpenGLTextureUtil.GetFormatFromBytesPerPixel(4);
var internalformat = OpenGLTextureUtil.GetInternalFormatFromBytesPerPixel(4, srgbEncoded);
CreateNativeTexture(uv, internalformat, width, height, depth, format, gl.GL_UNSIGNED_BYTE, null, immutable);
}
/// <summary>
/// Initializes a new instance of the OpenGLRenderBuffer2D class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="format">The render buffer's format.</param>
/// <param name="width">The render buffer's width in pixels.</param>
/// <param name="height">The render buffer's height in pixels.</param>
/// <param name="options">The render buffer's configuration options.</param>
public OpenGLRenderBuffer2D(UltravioletContext uv, RenderBufferFormat format, Int32 width, Int32 height, RenderBufferOptions options)
: base(uv)
{
Contract.EnsureRange(width > 0, nameof(width));
Contract.EnsureRange(height > 0, nameof(height));
var isSrgb = (options & RenderBufferOptions.SrgbColor) == RenderBufferOptions.SrgbColor;
var isLinear = (options & RenderBufferOptions.LinearColor) == RenderBufferOptions.LinearColor;
if (isSrgb && isLinear)
{
throw new ArgumentException(UltravioletStrings.BuffersCannotHaveMultipleEncodings);
}
if ((isSrgb || isLinear) && format != RenderBufferFormat.Color)
{
throw new ArgumentException(UltravioletStrings.EncodingSpecifiedForNonColorBuffer);
}
var caps = uv.GetGraphics().Capabilities;
var srgbEncoded = (isLinear ? false : (isSrgb ? true : uv.Properties.SrgbDefaultForRenderBuffer2D)) && caps.SrgbEncodingEnabled;
this.format = format;
this.width = width;
this.height = height;
this.immutable = (options & RenderBufferOptions.ImmutableStorage) == RenderBufferOptions.ImmutableStorage;
this.willNotBeSampled = (options & RenderBufferOptions.WillNotBeSampled) == RenderBufferOptions.WillNotBeSampled;
if (willNotBeSampled)
{
using (var state = OpenGLState.ScopedCreateRenderbuffer(out renderbuffer))
{
AllocateRenderbufferStorage(width, height);
}
}
else
{
switch (format)
{
case RenderBufferFormat.Color:
{
var texformat = OpenGLTextureUtil.GetFormatFromBytesPerPixel(4);
var texinternalformat = OpenGLTextureUtil.GetInternalFormatFromBytesPerPixel(4, srgbEncoded);
this.texture = new OpenGLTexture2D(uv, texinternalformat, width, height, texformat, gl.GL_UNSIGNED_BYTE, IntPtr.Zero, immutable, true);
this.SrgbEncoded = this.texture.SrgbEncoded;
}
break;
case RenderBufferFormat.Depth24Stencil8:
this.texture = new OpenGLTexture2D(uv, gl.GL_DEPTH24_STENCIL8, width, height, gl.GL_DEPTH_STENCIL, gl.GL_UNSIGNED_INT_24_8, IntPtr.Zero, immutable, true);
break;
case RenderBufferFormat.Depth32:
this.texture = new OpenGLTexture2D(uv, gl.GL_DEPTH_COMPONENT32, width, height, gl.GL_DEPTH_COMPONENT, gl.GL_UNSIGNED_INT, IntPtr.Zero, immutable, true);
break;
case RenderBufferFormat.Depth16:
this.texture = new OpenGLTexture2D(uv, gl.GL_DEPTH_COMPONENT16, width, height, gl.GL_DEPTH_COMPONENT, gl.GL_UNSIGNED_SHORT, IntPtr.Zero, immutable, true);
break;
case RenderBufferFormat.Stencil8:
this.texture = new OpenGLTexture2D(uv, gl.GL_STENCIL_INDEX8, width, height, gl.GL_STENCIL, gl.GL_UNSIGNED_INT, IntPtr.Zero, immutable, true);
break;
default:
throw new NotSupportedException(nameof(format));
}
}
}
