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Location: alysbrooks-public/games/isometric-park-fna/FNA/src/Graphics/TextureCube.cs

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Commit Description:
Add missing component and message.
Commit Description:
Add missing component and message.
References:
r710:d6b7c42f17f8 tip m7-leisure
File last commit:
r690:61b56ab85b41 default
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FNA/src/Graphics/TextureCube.cs
409 lines | 7.6 KiB | text/x-csharp | CSharpLexer
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#region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
* Copyright 2009-2022 Ethan Lee and the MonoGame Team
*
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System;
using System.IO;
using System.Runtime.InteropServices;
#endregion
namespace Microsoft.Xna.Framework.Graphics
{
public class TextureCube : Texture
{
#region Public Properties
/// <summary>
/// Gets the width and height of the cube map face in pixels.
/// </summary>
/// <value>The width and height of a cube map face in pixels.</value>
public int Size
{
get;
private set;
}
#endregion
#region Public Constructor
public TextureCube(
GraphicsDevice graphicsDevice,
int size,
bool mipMap,
SurfaceFormat format
) {
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
GraphicsDevice = graphicsDevice;
Size = size;
LevelCount = mipMap ? CalculateMipLevels(size) : 1;
// TODO: Use QueryRenderTargetFormat!
if (this is IRenderTarget)
{
if (format == SurfaceFormat.ColorSrgbEXT)
{
if (FNA3D.FNA3D_SupportsSRGBRenderTargets(GraphicsDevice.GLDevice) == 0)
{
// Renderable but not on this device
Format = SurfaceFormat.Color;
}
else
{
Format = format;
}
}
else if ( format != SurfaceFormat.Color &&
format != SurfaceFormat.Rgba1010102 &&
format != SurfaceFormat.Rg32 &&
format != SurfaceFormat.Rgba64 &&
format != SurfaceFormat.Single &&
format != SurfaceFormat.Vector2 &&
format != SurfaceFormat.Vector4 &&
format != SurfaceFormat.HalfSingle &&
format != SurfaceFormat.HalfVector2 &&
format != SurfaceFormat.HalfVector4 &&
format != SurfaceFormat.HdrBlendable )
{
// Not a renderable format period
Format = SurfaceFormat.Color;
}
else
{
Format = format;
}
}
else
{
Format = format;
}
texture = FNA3D.FNA3D_CreateTextureCube(
GraphicsDevice.GLDevice,
Format,
Size,
LevelCount,
(byte) ((this is IRenderTarget) ? 1 : 0)
);
}
#endregion
#region Public SetData Methods
public void SetData<T>(
CubeMapFace cubeMapFace,
T[] data
) where T : struct {
SetData(
cubeMapFace,
0,
null,
data,
0,
data.Length
);
}
public void SetData<T>(
CubeMapFace cubeMapFace,
T[] data,
int startIndex,
int elementCount
) where T : struct {
SetData(
cubeMapFace,
0,
null,
data,
startIndex,
elementCount
);
}
public void SetData<T>(
CubeMapFace cubeMapFace,
int level,
Rectangle? rect,
T[] data,
int startIndex,
int elementCount
) where T : struct {
if (data == null)
{
throw new ArgumentNullException("data");
}
int xOffset, yOffset, width, height;
if (rect.HasValue)
{
xOffset = rect.Value.X;
yOffset = rect.Value.Y;
width = rect.Value.Width;
height = rect.Value.Height;
}
else
{
xOffset = 0;
yOffset = 0;
width = Math.Max(1, Size >> level);
height = Math.Max(1, Size >> level);
}
int elementSizeInBytes = Marshal.SizeOf(typeof(T));
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
FNA3D.FNA3D_SetTextureDataCube(
GraphicsDevice.GLDevice,
texture,
xOffset,
yOffset,
width,
height,
cubeMapFace,
level,
handle.AddrOfPinnedObject() + startIndex * elementSizeInBytes,
elementCount * elementSizeInBytes
);
handle.Free();
}
public void SetDataPointerEXT(
CubeMapFace cubeMapFace,
int level,
Rectangle? rect,
IntPtr data,
int dataLength
) {
if (data == IntPtr.Zero)
{
throw new ArgumentNullException("data");
}
int xOffset, yOffset, width, height;
if (rect.HasValue)
{
xOffset = rect.Value.X;
yOffset = rect.Value.Y;
width = rect.Value.Width;
height = rect.Value.Height;
}
else
{
xOffset = 0;
yOffset = 0;
width = Math.Max(1, Size >> level);
height = Math.Max(1, Size >> level);
}
FNA3D.FNA3D_SetTextureDataCube(
GraphicsDevice.GLDevice,
texture,
xOffset,
yOffset,
width,
height,
cubeMapFace,
level,
data,
dataLength
);
}
#endregion
#region Public GetData Method
public void GetData<T>(
CubeMapFace cubeMapFace,
T[] data
) where T : struct {
GetData(
cubeMapFace,
0,
null,
data,
0,
data.Length
);
}
public void GetData<T>(
CubeMapFace cubeMapFace,
T[] data,
int startIndex,
int elementCount
) where T : struct {
GetData(
cubeMapFace,
0,
null,
data,
startIndex,
elementCount
);
}
public void GetData<T>(
CubeMapFace cubeMapFace,
int level,
Rectangle? rect,
T[] data,
int startIndex,
int elementCount
) where T : struct {
if (data == null || data.Length == 0)
{
throw new ArgumentException("data cannot be null");
}
if (data.Length < startIndex + elementCount)
{
throw new ArgumentException(
"The data passed has a length of " + data.Length.ToString() +
" but " + elementCount.ToString() + " pixels have been requested."
);
}
int subX, subY, subW, subH;
if (rect == null)
{
subX = 0;
subY = 0;
subW = Size >> level;
subH = Size >> level;
}
else
{
subX = rect.Value.X;
subY = rect.Value.Y;
subW = rect.Value.Width;
subH = rect.Value.Height;
}
int elementSizeInBytes = Marshal.SizeOf(typeof(T));
ValidateGetDataFormat(Format, elementSizeInBytes);
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
FNA3D.FNA3D_GetTextureDataCube(
GraphicsDevice.GLDevice,
texture,
subX,
subY,
subW,
subH,
cubeMapFace,
level,
handle.AddrOfPinnedObject() + (startIndex * elementSizeInBytes),
elementCount * elementSizeInBytes
);
handle.Free();
}
#endregion
#region Public Static TextureCube Extensions
public static TextureCube DDSFromStreamEXT(
GraphicsDevice graphicsDevice,
Stream stream
) {
TextureCube result;
// Begin BinaryReader, ignoring a tab!
using (BinaryReader reader = new BinaryReader(stream))
{
int width, height, levels;
bool isCube;
SurfaceFormat format;
Texture.ParseDDS(
reader,
out format,
out width,
out height,
out levels,
out isCube
);
if (!isCube)
{
throw new FormatException("This file does not contain cube data!");
}
// Allocate/Load texture
result = new TextureCube(
graphicsDevice,
width,
levels > 1,
format
);
byte[] tex = null;
if ( stream is MemoryStream &&
((MemoryStream) stream).TryGetBuffer(out tex) )
{
for (int face = 0; face < 6; face += 1)
{
for (int i = 0; i < levels; i += 1)
{
int mipLevelSize = Texture.CalculateDDSLevelSize(
width >> i,
width >> i,
format
);
result.SetData(
(CubeMapFace) face,
i,
null,
tex,
(int) stream.Seek(0, SeekOrigin.Current),
mipLevelSize
);
stream.Seek(
mipLevelSize,
SeekOrigin.Current
);
}
}
}
else
{
for (int face = 0; face < 6; face += 1)
{
for (int i = 0; i < levels; i += 1)
{
tex = reader.ReadBytes(Texture.CalculateDDSLevelSize(
width >> i,
width >> i,
format
));
result.SetData(
(CubeMapFace) face,
i,
null,
tex,
0,
tex.Length
);
}
}
}
// End BinaryReader
}
// Finally.
return result;
}
#endregion
}
}