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Switch-Toolbox/Switch_Toolbox_Library/Rendering/RenderableTex.cs
2019-11-05 17:32:39 -05:00

544 lines
22 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Drawing;
using System.Drawing.Imaging;
using System.Threading.Tasks;
using OpenTK.Graphics.OpenGL;
using System.Runtime.InteropServices;
namespace Toolbox.Library.Rendering
{
//Parts roughly based on this helpful gl wrapper https://github.com/ScanMountGoat/SFGraphics/blob/89f96b754e17078153315a259baef3859ef5984d/Projects/SFGraphics/GLObjects/Textures/Texture.cs
public class RenderableTex
{
public int width, height;
public int TexID = -1;
public PixelInternalFormat pixelInternalFormat;
public OpenTK.Graphics.OpenGL.PixelFormat pixelFormat;
public PixelType pixelType = PixelType.UnsignedByte;
public TextureTarget TextureTarget = TextureTarget.Texture2D;
public bool GLInitialized = false;
public int ImageSize;
public bool IsCubeMap = false;
public TextureWrapMode TextureWrapS
{
get { return textureWrapS; }
set
{
textureWrapS = value;
SetTextureParameter(TextureParameterName.TextureWrapS, (int)value);
}
}
public TextureWrapMode TextureWrapT
{
get { return textureWrapT; }
set
{
textureWrapT = value;
SetTextureParameter(TextureParameterName.TextureWrapT, (int)value);
}
}
public TextureWrapMode TextureWrapR
{
get { return textureWrapR; }
set
{
textureWrapR = value;
SetTextureParameter(TextureParameterName.TextureWrapR, (int)value);
}
}
public TextureMinFilter TextureMinFilter
{
get { return textureMinFilter; }
set
{
textureMinFilter = value;
SetTextureParameter(TextureParameterName.TextureMinFilter, (int)value);
}
}
public TextureMagFilter TextureMagFilter
{
get { return textureMagFilter; }
set
{
textureMagFilter = value;
SetTextureParameter(TextureParameterName.TextureMinFilter, (int)value);
}
}
private TextureWrapMode textureWrapS = TextureWrapMode.Repeat;
private TextureWrapMode textureWrapT = TextureWrapMode.Repeat;
private TextureWrapMode textureWrapR = TextureWrapMode.Clamp;
private TextureMinFilter textureMinFilter = TextureMinFilter.Linear;
private TextureMagFilter textureMagFilter = TextureMagFilter.Linear;
public void Dispose()
{
if (TexID != -1)
GL.DeleteTexture(TexID);
}
public void SetTextureParameter(TextureParameterName param, int value)
{
Bind();
GL.TexParameter(TextureTarget, param, value);
}
public static RenderableTex FromBitmap(Bitmap bitmap)
{
RenderableTex tex = new RenderableTex();
tex.TextureTarget = TextureTarget.Texture2D;
tex.TextureWrapS = TextureWrapMode.Repeat;
tex.TextureWrapT = TextureWrapMode.Repeat;
tex.TextureMinFilter = TextureMinFilter.Linear;
tex.TextureMagFilter = TextureMagFilter.Linear;
tex.width = bitmap.Width;
tex.height = bitmap.Height;
tex.pixelInternalFormat = PixelInternalFormat.Rgb8;
tex.pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
tex.GLInitialized = true;
tex.TexID = GenerateOpenGLTexture(tex, bitmap);
return tex;
}
public void UpdateFromBitmap(Bitmap bitmap)
{
width = bitmap.Width;
height = bitmap.Height;
TexID = GenerateOpenGLTexture(this, bitmap);
}
private bool IsFailedState = false;
private bool UseMipmaps = false;
private bool UseOpenGLDecoder = true;
public void LoadOpenGLTexture(STGenericTexture GenericTexture, int ArrayStartIndex = 0, bool LoadArrayLevels = false)
{
if (!Runtime.OpenTKInitialized || GLInitialized || Runtime.UseLegacyGL || IsFailedState)
return;
width = (int)GenericTexture.Width;
height = (int)GenericTexture.Height;
if (Runtime.DisableLoadingGLHighResTextures)
{
if (width >= 3000 || height >= 3000)
return;
}
switch (GenericTexture.SurfaceType)
{
case STSurfaceType.Texture1D:
TextureTarget = TextureTarget.Texture1D;
break;
case STSurfaceType.Texture2D:
TextureTarget = TextureTarget.Texture2D;
break;
case STSurfaceType.Texture2D_Array:
TextureTarget = TextureTarget.Texture2DArray;
break;
case STSurfaceType.Texture2D_Mulitsample:
TextureTarget = TextureTarget.Texture2DMultisample;
break;
case STSurfaceType.Texture2D_Multisample_Array:
TextureTarget = TextureTarget.Texture2DMultisampleArray;
break;
case STSurfaceType.Texture3D:
TextureTarget = TextureTarget.Texture3D;
break;
case STSurfaceType.TextureCube:
TextureTarget = TextureTarget.TextureCubeMap;
break;
case STSurfaceType.TextureCube_Array:
TextureTarget = TextureTarget.TextureCubeMapArray;
break;
}
if (GenericTexture.ArrayCount == 0)
GenericTexture.ArrayCount = 1;
List<STGenericTexture.Surface> Surfaces = new List<STGenericTexture.Surface>();
try
{
if (UseMipmaps && GenericTexture.ArrayCount <= 1)
{
//Load surfaces with mip maps
Surfaces = GenericTexture.GetSurfaces(ArrayStartIndex, false, 6);
}
else
{
//Only load first mip level. Will be generated after
for (int i = 0; i < GenericTexture.ArrayCount; i++)
{
if (i >= ArrayStartIndex && i <= ArrayStartIndex + 6) //Only load up to 6 faces
{
Surfaces.Add(new STGenericTexture.Surface()
{
mipmaps = new List<byte[]>() { GenericTexture.GetImageData(i, 0) }
});
}
}
}
if (Surfaces.Count == 0 || Surfaces[0].mipmaps[0].Length == 0)
return;
IsCubeMap = Surfaces.Count == 6;
ImageSize = Surfaces[0].mipmaps[0].Length;
if (IsCubeMap)
TextureTarget = TextureTarget.TextureCubeMap;
//Force RGBA and use ST for decoding for weird width/heights
//Open GL decoder has issues with certain width/heights
Console.WriteLine($"width pow {width} {IsPow2(width)}");
Console.WriteLine($"height pow {height} {IsPow2(height)}");
if (!IsPow2(width) || !IsPow2(height))
UseOpenGLDecoder = false;
pixelInternalFormat = PixelInternalFormat.Rgba;
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
if (GenericTexture.PlatformSwizzle == PlatformSwizzle.Platform_3DS ||
GenericTexture.PlatformSwizzle == PlatformSwizzle.Platform_Gamecube)
{
UseOpenGLDecoder = false;
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Bgra;
}
if (UseOpenGLDecoder)
SetPixelFormats(GenericTexture.Format);
GLInitialized = true;
for (int i = 0; i < Surfaces.Count; i++)
{
for (int MipLevel = 0; MipLevel < Surfaces[i].mipmaps.Count; MipLevel++)
{
uint width = Math.Max(1, GenericTexture.Width >> MipLevel);
uint height = Math.Max(1, GenericTexture.Height >> MipLevel);
Surfaces[i].mipmaps[MipLevel] = DecodeWithoutOpenGLDecoder(Surfaces[i].mipmaps[MipLevel], width, height, GenericTexture);
}
}
TexID = GenerateOpenGLTexture(this, Surfaces);
if (IsCubeMap)
{
TextureWrapS = TextureWrapMode.Clamp;
TextureWrapT = TextureWrapMode.Clamp;
TextureWrapR = TextureWrapMode.Clamp;
TextureMinFilter = TextureMinFilter.LinearMipmapLinear;
TextureMagFilter = TextureMagFilter.Linear;
}
Surfaces.Clear();
}
catch
{
IsFailedState = true;
GLInitialized = false;
return;
}
}
static bool IsPow2(int Value)
{
return Value != 0 && (Value & (Value - 1)) == 0;
}
private void SetPixelFormats(TEX_FORMAT Format)
{
switch (Format)
{
case TEX_FORMAT.BC1_UNORM:
pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt1Ext;
break;
case TEX_FORMAT.BC1_UNORM_SRGB:
pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt1Ext;
break;
case TEX_FORMAT.BC2_UNORM:
pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt3Ext;
break;
case TEX_FORMAT.BC2_UNORM_SRGB:
pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt3Ext;
break;
case TEX_FORMAT.BC3_UNORM:
pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt5Ext;
break;
case TEX_FORMAT.BC3_UNORM_SRGB:
pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt5Ext;
break;
case TEX_FORMAT.BC4_UNORM:
case TEX_FORMAT.BC4_SNORM:
//Convert to rgb to prevent red output
//While shaders could prevent this, converting is easier and works fine across all editors
if (Runtime.UseDirectXTexDecoder)
{
pixelInternalFormat = PixelInternalFormat.Rgba;
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
}
else
{
pixelInternalFormat = PixelInternalFormat.CompressedRedRgtc1;
pixelInternalFormat = PixelInternalFormat.CompressedSignedRedRgtc1;
}
break;
case TEX_FORMAT.BC5_SNORM:
pixelInternalFormat = PixelInternalFormat.Rgba;
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
break;
case TEX_FORMAT.BC5_UNORM:
pixelInternalFormat = PixelInternalFormat.CompressedRgRgtc2;
break;
case TEX_FORMAT.BC6H_UF16:
pixelInternalFormat = PixelInternalFormat.CompressedRgbBptcUnsignedFloat;
break;
case TEX_FORMAT.BC6H_SF16:
pixelInternalFormat = PixelInternalFormat.CompressedRgbBptcSignedFloat;
break;
case TEX_FORMAT.BC7_UNORM:
pixelInternalFormat = PixelInternalFormat.CompressedRgbaBptcUnorm;
break;
case TEX_FORMAT.BC7_UNORM_SRGB:
pixelInternalFormat = PixelInternalFormat.CompressedSrgbAlphaBptcUnorm;
break;
case TEX_FORMAT.R8G8B8A8_UNORM:
pixelInternalFormat = PixelInternalFormat.Rgba;
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
break;
case TEX_FORMAT.R8G8B8A8_UNORM_SRGB:
pixelInternalFormat = PixelInternalFormat.Rgba;
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
break;
default:
if (Runtime.UseDirectXTexDecoder)
{
pixelInternalFormat = PixelInternalFormat.Rgba;
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
}
break;
}
}
private byte[] DecodeWithoutOpenGLDecoder(byte[] ImageData, uint width, uint height, STGenericTexture GenericTexture)
{
if (!UseOpenGLDecoder)
{
return STGenericTexture.ConvertBgraToRgba(
STGenericTexture.DecodeBlock(ImageData,
width,
height,
GenericTexture.Format,
GenericTexture.GetPaletteData(),
GenericTexture.Parameters,
GenericTexture.PaletteFormat,
GenericTexture.PlatformSwizzle));
}
switch (GenericTexture.Format)
{
case TEX_FORMAT.BC1_UNORM:
case TEX_FORMAT.BC1_UNORM_SRGB:
case TEX_FORMAT.BC2_UNORM:
case TEX_FORMAT.BC2_UNORM_SRGB:
case TEX_FORMAT.BC3_UNORM:
case TEX_FORMAT.BC3_UNORM_SRGB:
case TEX_FORMAT.BC5_UNORM:
case TEX_FORMAT.BC6H_SF16:
case TEX_FORMAT.BC6H_UF16:
case TEX_FORMAT.BC7_UNORM:
case TEX_FORMAT.BC7_UNORM_SRGB:
case TEX_FORMAT.R8G8B8A8_UNORM:
case TEX_FORMAT.R8G8B8A8_UNORM_SRGB:
return ImageData;
case TEX_FORMAT.BC5_SNORM:
return (DDSCompressor.DecompressBC5(ImageData,
(int)width, (int)height, true, true));
default:
if (Runtime.UseDirectXTexDecoder)
{
return STGenericTexture.ConvertBgraToRgba(
STGenericTexture.DecodeBlock(ImageData,
width,
height,
GenericTexture.Format,
GenericTexture.GetPaletteData(),
GenericTexture.Parameters,
GenericTexture.PaletteFormat,
GenericTexture.PlatformSwizzle));
}
else
return ImageData;
}
}
public static int GenerateOpenGLTexture(RenderableTex t, Bitmap bitmap, bool generateMips = false)
{
if (!t.GLInitialized)
return -1;
int texID = GL.GenTexture();
GL.BindTexture(t.TextureTarget, texID);
BitmapData data = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
bitmap.UnlockBits(data);
if (generateMips)
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
return texID;
}
public static int GenerateOpenGLTexture(RenderableTex t, List<STGenericTexture.Surface> ImageData)
{
if (!t.GLInitialized)
return -1;
int texID = GL.GenTexture();
GL.BindTexture(t.TextureTarget, texID);
if (t.IsCubeMap)
{
if (t.pixelInternalFormat != PixelInternalFormat.Rgba)
{
for (int mipLevel = 0; mipLevel < ImageData[0].mipmaps.Count; mipLevel++)
{
int width = Math.Max(1, t.width >> mipLevel);
int height = Math.Max(1, t.height >> mipLevel);
for (int i = 0; i < 6; i++)
t.LoadCompressedMips(TextureTarget.TextureCubeMapPositiveX + i, ImageData[i], width, height, mipLevel);
break;
}
}
else
{
for (int mipLevel = 0; mipLevel < ImageData[0].mipmaps.Count; mipLevel++)
{
int width = Math.Max(1, t.width >> mipLevel);
int height = Math.Max(1, t.height >> mipLevel);
for (int i = 0; i < 6; i++)
t.LoadUncompressedMips(TextureTarget.TextureCubeMapPositiveX + i, ImageData[i], width, height, mipLevel);
break;
}
}
GL.GenerateMipmap(GenerateMipmapTarget.TextureCubeMap);
// if (ImageData[0].mipmaps.Count == 1)
}
else
{
if (t.pixelInternalFormat != PixelInternalFormat.Rgba)
{
for (int mipLevel = 0; mipLevel < ImageData[0].mipmaps.Count; mipLevel++)
t.LoadCompressedMips(t.TextureTarget, ImageData[0], t.width, t.height, mipLevel);
}
else
{
for (int mipLevel = 0; mipLevel < ImageData[0].mipmaps.Count; mipLevel++)
t.LoadUncompressedMips(t.TextureTarget, ImageData[0], t.width, t.height, mipLevel);
}
if (ImageData[0].mipmaps.Count == 1)
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
}
return texID;
}
public void LoadUncompressedMips(TextureTarget textureTarget, STGenericTexture.Surface ImageData,int mipwidth, int mipheight, int MipLevel = 0)
{
GL.TexImage2D<byte>(textureTarget, MipLevel, pixelInternalFormat, mipwidth, mipheight, 0,
pixelFormat, PixelType.UnsignedByte, ImageData.mipmaps[MipLevel]);
// GL.GenerateMipmap((GenerateMipmapTarget)textureTarget);
}
public void LoadCompressedMips(TextureTarget textureTarget, STGenericTexture.Surface ImageData, int mipwidth, int mipheight, int MipLevel = 0)
{
GL.CompressedTexImage2D<byte>(textureTarget, MipLevel, (InternalFormat)pixelInternalFormat,
mipwidth, mipheight, 0, getImageSize(this), ImageData.mipmaps[MipLevel]);
// GL.GenerateMipmap((GenerateMipmapTarget)textureTarget);
}
public void LoadParameters()
{
}
public void Bind()
{
if (TexID == -1) return;
GL.BindTexture(TextureTarget, TexID);
Console.WriteLine($"binding {TextureTarget} {TexID}");
}
private static int getImageSize(RenderableTex t)
{
switch (t.pixelInternalFormat)
{
case PixelInternalFormat.CompressedRgbaS3tcDxt1Ext:
case PixelInternalFormat.CompressedSrgbAlphaS3tcDxt1Ext:
case PixelInternalFormat.CompressedRedRgtc1:
case PixelInternalFormat.CompressedSignedRedRgtc1:
return (t.width * t.height / 2);
case PixelInternalFormat.CompressedRgbaS3tcDxt3Ext:
case PixelInternalFormat.CompressedSrgbAlphaS3tcDxt3Ext:
case PixelInternalFormat.CompressedRgbaS3tcDxt5Ext:
case PixelInternalFormat.CompressedSrgbAlphaS3tcDxt5Ext:
case PixelInternalFormat.CompressedSignedRgRgtc2:
case PixelInternalFormat.CompressedRgRgtc2:
case PixelInternalFormat.CompressedRgbaBptcUnorm:
case PixelInternalFormat.CompressedSrgbAlphaBptcUnorm:
return (t.width * t.height);
case PixelInternalFormat.Rgba:
return t.ImageSize;
default:
return t.ImageSize;
}
}
public unsafe Bitmap ToBitmap()
{
Bitmap bitmap = new Bitmap(width, height);
System.Drawing.Imaging.BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, width, height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.BindTexture(TextureTarget.Texture2D, TexID);
GL.GetTexImage(TextureTarget.Texture2D, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, bitmapData.Scan0);
bitmap.UnlockBits(bitmapData);
return bitmap;
}
public static unsafe Bitmap GLTextureToBitmap(RenderableTex t)
{
Bitmap bitmap = new Bitmap(t.width, t.height);
System.Drawing.Imaging.BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, t.width, t.height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.BindTexture(TextureTarget.Texture2D, t.TexID);
GL.GetTexImage(TextureTarget.Texture2D, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, bitmapData.Scan0);
bitmap.UnlockBits(bitmapData);
return bitmap;
}
}
}