private void PlatformConstruct(GraphicsDevice graphicsDevice, int size, bool mipMap, SurfaceFormat format, bool renderTarget)
{
this.glTarget = TextureTarget.TextureCubeMap;
Threading.BlockOnUIThread(() =>
{
#if IOS || ANDROID
GL.GenTextures(1, ref this.glTexture);
#else
GL.GenTextures(1, out this.glTexture);
#endif
GraphicsExtensions.CheckGLError();
GL.BindTexture(TextureTarget.TextureCubeMap, this.glTexture);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter,
mipMap ? (int)TextureMinFilter.LinearMipmapLinear : (int)TextureMinFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
for (int i = 0; i < 6; i++)
{
TextureTarget target = GetGLCubeFace((CubeMapFace)i);
if (glFormat == (PixelFormat)All.CompressedTextureFormats)
{
throw new NotImplementedException();
}
else
{
#if IOS || ANDROID
GL.TexImage2D(target, 0, (int)glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#else
GL.TexImage2D(target, 0, glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#endif
GraphicsExtensions.CheckGLError();
}
}
if (mipMap)
{
#if IOS || ANDROID
GL.GenerateMipmap(TextureTarget.TextureCubeMap);
#else
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.GenerateMipmap, (int)All.True);
#endif
GraphicsExtensions.CheckGLError();
}
});
}
private void PlatformConstruct(GraphicsDevice graphicsDevice, int width, int height, int depth, bool mipMap, SurfaceFormat format, bool renderTarget)
{
#if GLES
throw new NotSupportedException("OpenGL ES 2.0 doesn't support 3D textures.");
#else
this.glTarget = TextureTarget.Texture3D;
Threading.BlockOnUIThread(() =>
{
GL.GenTextures(1, out this.glTexture);
GraphicsExtensions.CheckGLError();
GL.BindTexture(glTarget, glTexture);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
GL.TexImage3D(glTarget, 0, glInternalFormat, width, height, depth, 0, glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
});
if (mipMap)
{
throw new NotImplementedException("Texture3D does not yet support mipmaps.");
}
#endif
}
public TextureCube(int size, bool mipMap, SurfaceFormat format)
{
ID = GL.GenTexture();
Size = size;
Format = format;
Format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
LevelCount = mipMap ? CalculateMipLevels(size, size) : 1;
if (glFormat == GL.GL_NUM_COMPRESSED_TEXTURE_FORMATS)
{
throw new NotImplementedException("Compressed cubemaps");
}
//Bind the new TextureCube
BindTo(0);
//enable filtering
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR);
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
//initialise
for (int i = 0; i < 6; i++)
{
var target = ((CubeMapFace)i).ToGL();
GL.TexImage2D(target, 0, glInternalFormat,
size, size, 0, glFormat, glType, IntPtr.Zero);
}
if (mipMap)
{
//This isn't actually supported on GL 3, why is it here?
//GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP, TextureParameterName.GenerateMipmap, 1);
}
}
private void PlatformConstruct(
GraphicsDevice graphicsDevice, int width, int height, int depth, bool mipMap, SurfaceFormat format, bool renderTarget)
{
if (GL.IsES)
{
throw new PlatformNotSupportedException("OpenGL ES 2.0 doesn't support 3D textures.");
}
_glTarget = TextureTarget.Texture3D;
if (mipMap)
{
throw new NotImplementedException(nameof(Texture3D) + " does not yet support mipmaps.");
}
_glTexture = GL.GenTexture();
GL.CheckError();
GL.BindTexture(_glTarget, _glTexture);
GL.CheckError();
format.GetGLFormat(GraphicsDevice, out _glInternalFormat, out _glFormat, out _glType);
GL.TexImage3D(_glTarget, 0, _glInternalFormat, width, height, depth, 0, _glFormat, _glType, IntPtr.Zero);
GL.CheckError();
}
public TextureCube(int size, bool mipMap, SurfaceFormat format)
{
ID = GL.GenTexture();
Size = size;
Format = format;
Format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
LevelCount = mipMap ? CalculateMipLevels(size, size) : 1;
//Bind the new TextureCube
BindTo(4);
//enable filtering
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR);
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
//initialise
if (glFormat == GL.GL_NUM_COMPRESSED_TEXTURE_FORMATS)
{
int imageSize = 0;
if (GLExtensions.S3TC)
{
switch (Format)
{
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
imageSize = ((size + 3) / 4) * ((size + 3) / 4) * format.GetSize();
break;
default:
throw new NotSupportedException();
}
}
for (int i = 0; i < 6; i++)
{
var target = ((CubeMapFace)i).ToGL();
if (GLExtensions.S3TC)
{
GL.CompressedTexImage2D(target, 0, glInternalFormat,
size, size, 0,
imageSize, IntPtr.Zero);
}
else
{
GL.TexImage2D(target, 0,
GL.GL_RGBA,
size, size, 0,
GL.GL_BGRA, GL.GL_UNSIGNED_BYTE, IntPtr.Zero);
}
}
}
else
{
for (int i = 0; i < 6; i++)
{
var target = ((CubeMapFace)i).ToGL();
GL.TexImage2D(target, 0, glInternalFormat,
size, size, 0, glFormat, glType, IntPtr.Zero);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="mipmap"></param>
/// <param name="format"></param>
/// <param name="type"></param>
/// <param name="shared"></param>
private void PlatformConstruct(int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread(() => {
//Store the current bound texture
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
if (glFormat == (PixelFormat)GLPixelFormat.CompressedTextureFormats)
{
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0, glInternalFormat, this.width, this.height, 0, glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
if (mipmap)
{
#if IOS || ANDROID
GL.GenerateMipmap(TextureTarget.TextureCubeMap);
#else
#endif
}
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
});
}
private void PlatformConstruct(int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
this.glTarget = TextureTarget.Texture2D;
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
Threading.BlockOnUIThread(() =>
{
GenerateGLTextureIfRequired();
int w = width;
int h = height;
int level = 0;
while (true)
{
if (glFormat == (PixelFormat)GLPixelFormat.CompressedTextureFormats)
{
int imageSize = 0;
// PVRTC has explicit calculations for imageSize
// https://www.khronos.org/registry/OpenGL/extensions/IMG/IMG_texture_compression_pvrtc.txt
if (format == SurfaceFormat.RgbPvrtc2Bpp || format == SurfaceFormat.RgbaPvrtc2Bpp)
{
imageSize = (Math.Max(w, 16) * Math.Max(h, 8) * 2 + 7) / 8;
}
else if (format == SurfaceFormat.RgbPvrtc4Bpp || format == SurfaceFormat.RgbaPvrtc4Bpp)
{
imageSize = (Math.Max(w, 8) * Math.Max(h, 8) * 4 + 7) / 8;
}
else
{
int blockSize = format.GetSize();
int blockWidth, blockHeight;
format.GetBlockSize(out blockWidth, out blockHeight);
int wBlocks = (w + (blockWidth - 1)) / blockWidth;
int hBlocks = (h + (blockHeight - 1)) / blockHeight;
imageSize = wBlocks * hBlocks * blockSize;
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, level, glInternalFormat, w, h, 0, imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, level, glInternalFormat, w, h, 0, glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
if ((w == 1 && h == 1) || !mipmap)
{
break;
}
if (w > 1)
{
w = w / 2;
}
if (h > 1)
{
h = h / 2;
}
++level;
}
});
}
private void PlatformConstruct(int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread(() =>
{
// Store the current bound texture.
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
if (glFormat == (GLPixelFormat)All.CompressedTextureFormats)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(this.width, 16) * Math.Max(this.height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(this.width, 8) * Math.Max(this.height, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.RgbEtc1:
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
imageSize = ((this.width + 3) / 4) * ((this.height + 3) / 4) * GraphicsExtensions.GetSize(format);
break;
default:
throw new NotSupportedException();
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
// Restore the bound texture.
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
});
}
private void PlatformConstruct(int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
this.glTarget = gl.TEXTURE_2D;
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
GenerateGLTextureIfRequired();
int w = width;
int h = height;
int level = 0;
while (true)
{
if (glFormat == gl.COMPRESSED_TEXTURE_FORMATS)
{
int imageSize = 0;
// PVRTC has explicit calculations for imageSize
// https://www.khronos.org/registry/OpenGL/extensions/IMG/IMG_texture_compression_pvrtc.txt
if (format == SurfaceFormat.RgbPvrtc2Bpp || format == SurfaceFormat.RgbaPvrtc2Bpp)
{
imageSize = (Math.Max(w, 16) * Math.Max(h, 8) * 2 + 7) / 8;
}
else if (format == SurfaceFormat.RgbPvrtc4Bpp || format == SurfaceFormat.RgbaPvrtc4Bpp)
{
imageSize = (Math.Max(w, 8) * Math.Max(h, 8) * 4 + 7) / 8;
}
else
{
int blockSize = format.GetSize();
int blockWidth, blockHeight;
format.GetBlockSize(out blockWidth, out blockHeight);
int wBlocks = (w + (blockWidth - 1)) / blockWidth;
int hBlocks = (h + (blockHeight - 1)) / blockHeight;
imageSize = wBlocks * hBlocks * blockSize;
}
}
gl.texImage2D(gl.TEXTURE_2D, level, glInternalFormat, glFormat, glType, (new ImageData(w, h).As <ImageBitmap>()));
GraphicsExtensions.CheckGLError();
if ((w == 1 && h == 1) || !mipmap)
{
break;
}
if (w > 1)
{
w = w / 2;
}
if (h > 1)
{
h = h / 2;
}
++level;
}
}
public Texture3D(GraphicsDevice graphicsDevice, int width, int height, int depth, bool mipMap, SurfaceFormat format)
{
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
this.GraphicsDevice = graphicsDevice;
this.width = width;
this.height = height;
this.depth = depth;
this.levelCount = 1;
#if OPENGL
this.glTarget = TextureTarget.Texture3D;
GL.GenTextures(1, out this.glTexture);
GraphicsExtensions.CheckGLError();
GL.BindTexture(glTarget, glTexture);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
GL.TexImage3D(glTarget, 0, glInternalFormat, width, height, depth, 0, glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
if (mipMap)
{
throw new NotImplementedException("Texture3D does not yet support mipmaps.");
}
#elif DIRECTX
if (mipMap)
{
this.levelCount = CalculateMipLevels(width, height, depth);
}
var description = new Texture3DDescription
{
Width = width,
Height = height,
Depth = depth,
MipLevels = levelCount,
Format = SharpDXHelper.ToFormat(format),
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Usage = ResourceUsage.Default,
OptionFlags = ResourceOptionFlags.None,
};
_texture = new SharpDX.Direct3D11.Texture3D(graphicsDevice._d3dDevice, description);
#endif
}
public Texture2D(int width, int height, bool hasMipMaps, SurfaceFormat format) : this(true)
{
Width = width;
Height = height;
Format = format;
Format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
LevelCount = hasMipMaps ? CalculateMipLevels(width, height) : 1;
currentLevels = hasMipMaps ? (LevelCount - 1) : 0;
//Bind the new TextureD
GLBind.Trash();
GLBind.BindTexture(4, GL.GL_TEXTURE_2D, ID);
//initialise the texture data
var imageSize = 0;
Dxt1 = format == SurfaceFormat.Dxt1;
if (glFormat == GL.GL_NUM_COMPRESSED_TEXTURE_FORMATS)
{
if (GLExtensions.S3TC)
{
switch (Format)
{
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
imageSize = ((Width + 3) / 4) * ((Height + 3) / 4) * format.GetSize();
break;
default:
throw new NotSupportedException();
}
GL.CompressedTexImage2D(GL.GL_TEXTURE_2D, 0, glInternalFormat,
Width, Height, 0,
imageSize, IntPtr.Zero);
}
else
{
GL.TexImage2D(GL.GL_TEXTURE_2D, 0,
GL.GL_RGBA,
Width, Height, 0,
GL.GL_BGRA, GL.GL_UNSIGNED_BYTE, IntPtr.Zero);
}
}
else
{
GL.TexImage2D(GL.GL_TEXTURE_2D, 0,
glInternalFormat,
Width, Height, 0,
glFormat, glType, IntPtr.Zero);
}
//enable filtering
GL.TexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR);
GL.TexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
}
protected Texture3D(GraphicsDevice graphicsDevice, int width, int height, int depth, bool mipMap, SurfaceFormat format, bool renderTarget)
{
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
this.GraphicsDevice = graphicsDevice;
this.width = width;
this.height = height;
this.depth = depth;
this._levelCount = 1;
this._format = format;
#if OPENGL
this.glTarget = TextureTarget.Texture3D;
GL.GenTextures(1, out this.glTexture);
GraphicsExtensions.CheckGLError();
GL.BindTexture(glTarget, glTexture);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
GL.TexImage3D(glTarget, 0, glInternalFormat, width, height, depth, 0, glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
if (mipMap)
{
throw new NotImplementedException("Texture3D does not yet support mipmaps.");
}
#elif DIRECTX
this.renderTarget = renderTarget;
this.mipMap = mipMap;
if (mipMap)
{
this._levelCount = CalculateMipLevels(width, height, depth);
}
// Create texture
GetTexture();
#endif
}
public Texture3D(GraphicsDevice graphicsDevice, int width, int height, int depth, bool mipMap, SurfaceFormat format)
{
this.graphicsDevice = graphicsDevice;
Width = width;
Height = height;
Depth = depth;
this.glTarget = TextureTarget.Texture3D;
GL.GenTextures(1, out this.glTexture);
GL.BindTexture(glTarget, glTexture);
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
GL.TexImage3D(glTarget, 0, glInternalFormat, width, height, depth, 0, glFormat, glType, IntPtr.Zero);
if (mipMap)
{
throw new NotImplementedException();
}
}
protected Texture2D(GraphicsDevice graphicsDevice, int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
if (graphicsDevice == null)
throw new ArgumentNullException("Graphics Device Cannot Be Null");
this.GraphicsDevice = graphicsDevice;
this.width = width;
this.height = height;
this._format = format;
this._levelCount = mipmap ? CalculateMipLevels(width, height) : 1;
// Texture will be assigned by the swap chain.
if (type == SurfaceType.SwapChainRenderTarget)
return;
#if DIRECTX
// TODO: Move this to SetData() if we want to make Immutable textures!
var desc = new SharpDX.Direct3D11.Texture2DDescription();
desc.Width = width;
desc.Height = height;
desc.MipLevels = _levelCount;
desc.ArraySize = 1;
desc.Format = SharpDXHelper.ToFormat(format);
desc.BindFlags = SharpDX.Direct3D11.BindFlags.ShaderResource;
desc.CpuAccessFlags = SharpDX.Direct3D11.CpuAccessFlags.None;
desc.SampleDescription.Count = 1;
desc.SampleDescription.Quality = 0;
desc.Usage = SharpDX.Direct3D11.ResourceUsage.Default;
desc.OptionFlags = SharpDX.Direct3D11.ResourceOptionFlags.None;
if (type == SurfaceType.RenderTarget)
{
desc.BindFlags |= SharpDX.Direct3D11.BindFlags.RenderTarget;
if (mipmap)
{
// Note: XNA 4 does not have a method Texture.GenerateMipMaps()
// because generation of mipmaps is not supported on the Xbox 360.
// TODO: New method Texture.GenerateMipMaps() required.
desc.OptionFlags |= SharpDX.Direct3D11.ResourceOptionFlags.GenerateMipMaps;
}
}
if (shared)
desc.OptionFlags |= SharpDX.Direct3D11.ResourceOptionFlags.Shared;
_texture = new SharpDX.Direct3D11.Texture2D(graphicsDevice._d3dDevice, desc);
#elif PSM
PixelBufferOption option = PixelBufferOption.None;
if (type == SurfaceType.RenderTarget)
option = PixelBufferOption.Renderable;
_texture2D = new Sce.PlayStation.Core.Graphics.Texture2D(width, height, mipmap, PSSHelper.ToFormat(format),option);
#else
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread(() =>
{
// Store the current bound texture.
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
if (glFormat == (GLPixelFormat)All.CompressedTextureFormats)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(this.width, 8) * Math.Max(this.height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(this.width, 16) * Math.Max(this.height, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
imageSize = ((this.width + 3) / 4) * ((this.height + 3) / 4) * format.Size();
break;
default:
throw new NotImplementedException();
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0,
#if IOS || ANDROID
(int)glInternalFormat,
#else
glInternalFormat,
#endif
this.width, this.height, 0,
glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
// Restore the bound texture.
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
});
#endif
}
private void PlatformConstruct(int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread(() =>
{
// Store the current bound texture.
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
if (glFormat == (PixelFormat)GLPixelFormat.CompressedTextureFormats)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(this.width, 16) * Math.Max(this.height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(this.width, 8) * Math.Max(this.height, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt1SRgb:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt3SRgb:
case SurfaceFormat.Dxt5:
case SurfaceFormat.Dxt5SRgb:
case SurfaceFormat.RgbEtc1:
case SurfaceFormat.RgbaAtcExplicitAlpha:
case SurfaceFormat.RgbaAtcInterpolatedAlpha:
imageSize = ((this.width + 3) / 4) * ((this.height + 3) / 4) * GraphicsExtensions.GetSize(format);
break;
default:
throw new NotSupportedException();
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
if (mipmap)
{
#if IOS || ANDROID
GL.GenerateMipmap(TextureTarget.TextureCubeMap);
#else
GraphicsDevice.FramebufferHelper.Get().GenerateMipmap((int)glTarget);
// This updates the mipmaps after a change in the base texture
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.GenerateMipmap, 1);
#endif
}
// Restore the bound texture.
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
});
}
private void PlatformConstruct(GraphicsDevice graphicsDevice, int size, bool mipMap, SurfaceFormat format, bool renderTarget)
{
this.glTarget = TextureTarget.TextureCubeMap;
Threading.BlockOnUIThread(() =>
{
GL.GenTextures(1, out this.glTexture);
GraphicsExtensions.CheckGLError();
GL.BindTexture(TextureTarget.TextureCubeMap, this.glTexture);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter,
mipMap ? (int)TextureMinFilter.LinearMipmapLinear : (int)TextureMinFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
for (var i = 0; i < 6; i++)
{
var target = GetGLCubeFace((CubeMapFace)i);
if (glFormat == (PixelFormat)GLPixelFormat.CompressedTextureFormats)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(size, 16) * Math.Max(size, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(size, 8) * Math.Max(size, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt1SRgb:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt3SRgb:
case SurfaceFormat.Dxt5:
case SurfaceFormat.Dxt5SRgb:
case SurfaceFormat.RgbEtc1:
case SurfaceFormat.RgbaAtcExplicitAlpha:
case SurfaceFormat.RgbaAtcInterpolatedAlpha:
imageSize = (size + 3) / 4 * ((size + 3) / 4) * format.GetSize();
break;
default:
throw new NotSupportedException();
}
GL.CompressedTexImage2D(target, 0, glInternalFormat, size, size, 0, imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(target, 0, glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
}
if (mipMap)
{
#if IOS || ANDROID
GL.GenerateMipmap(TextureTarget.TextureCubeMap);
#else
GraphicsDevice.FramebufferHelper.Get().GenerateMipmap((int)glTarget);
// This updates the mipmaps after a change in the base texture
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.GenerateMipmap, (int)Bool.True);
#endif
GraphicsExtensions.CheckGLError();
}
});
}
protected Texture3D(GraphicsDevice graphicsDevice, int width, int height, int depth, bool mipMap, SurfaceFormat format, bool renderTarget)
{
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
this.GraphicsDevice = graphicsDevice;
this.width = width;
this.height = height;
this.depth = depth;
this._levelCount = 1;
this._format = format;
#if OPENGL
this.glTarget = TextureTarget.Texture3D;
GL.GenTextures(1, out this.glTexture);
GraphicsExtensions.CheckGLError();
GL.BindTexture(glTarget, glTexture);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
GL.TexImage3D(glTarget, 0, glInternalFormat, width, height, depth, 0, glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
if (mipMap)
{
throw new NotImplementedException("Texture3D does not yet support mipmaps.");
}
#elif DIRECTX
if (mipMap)
{
this._levelCount = CalculateMipLevels(width, height, depth);
}
var description = new Texture3DDescription
{
Width = width,
Height = height,
Depth = depth,
MipLevels = _levelCount,
Format = SharpDXHelper.ToFormat(format),
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Usage = ResourceUsage.Default,
OptionFlags = ResourceOptionFlags.None,
};
if (renderTarget)
{
description.BindFlags |= BindFlags.RenderTarget;
if (mipMap)
{
// Note: XNA 4 does not have a method Texture.GenerateMipMaps()
// because generation of mipmaps is not supported on the Xbox 360.
// TODO: New method Texture.GenerateMipMaps() required.
description.OptionFlags |= ResourceOptionFlags.GenerateMipMaps;
}
}
_texture = new SharpDX.Direct3D11.Texture3D(graphicsDevice._d3dDevice, description);
#endif
}
internal TextureCube(GraphicsDevice graphicsDevice, int size, bool mipMap, SurfaceFormat format, bool renderTarget)
{
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
this.GraphicsDevice = graphicsDevice;
this.size = size;
this._format = format;
this._levelCount = mipMap ? CalculateMipLevels(size) : 1;
#if DIRECTX
_renderTarget = renderTarget;
_mipMap = mipMap;
// Create texture
GetTexture();
#elif PSM
//TODO
#else
this.glTarget = TextureTarget.TextureCubeMap;
#if IOS || ANDROID
GL.GenTextures(1, ref this.glTexture);
#else
GL.GenTextures(1, out this.glTexture);
#endif
GraphicsExtensions.CheckGLError();
GL.BindTexture(TextureTarget.TextureCubeMap, this.glTexture);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter,
mipMap ? (int)TextureMinFilter.LinearMipmapLinear : (int)TextureMinFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
for (int i = 0; i < 6; i++)
{
TextureTarget target = GetGLCubeFace((CubeMapFace)i);
if (glFormat == (PixelFormat)All.CompressedTextureFormats)
{
throw new NotImplementedException();
}
else
{
#if IOS || ANDROID
GL.TexImage2D(target, 0, (int)glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#else
GL.TexImage2D(target, 0, glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#endif
GraphicsExtensions.CheckGLError();
}
}
if (mipMap)
{
#if IOS || ANDROID
GL.GenerateMipmap(TextureTarget.TextureCubeMap);
#else
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.GenerateMipmap, (int)All.True);
#endif
GraphicsExtensions.CheckGLError();
}
#endif
}
protected Texture2D(GraphicsDevice graphicsDevice, int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
if (graphicsDevice == null)
throw new ArgumentNullException("Graphics Device Cannot Be Null");
this.GraphicsDevice = graphicsDevice;
this.width = width;
this.height = height;
this._format = format;
this._levelCount = mipmap ? CalculateMipLevels(width, height) : 1;
// Texture will be assigned by the swap chain.
if (type == SurfaceType.SwapChainRenderTarget)
return;
#if DIRECTX
_shared = shared;
_renderTarget = (type == SurfaceType.RenderTarget);
_mipmap = mipmap;
// Create texture
GetTexture();
#elif PSM
PixelBufferOption option = PixelBufferOption.None;
if (type == SurfaceType.RenderTarget)
option = PixelBufferOption.Renderable;
_texture2D = new Sce.PlayStation.Core.Graphics.Texture2D(width, height, mipmap, PSSHelper.ToFormat(format),option);
#else
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread(() =>
{
// Store the current bound texture.
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
if (glFormat == (GLPixelFormat)All.CompressedTextureFormats)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(this.width, 16) * Math.Max(this.height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(this.width, 8) * Math.Max(this.height, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.RgbEtc1:
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
imageSize = ((this.width + 3) / 4) * ((this.height + 3) / 4) * format.Size();
break;
default:
throw new NotSupportedException();
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0,
#if IOS || ANDROID
(int)glInternalFormat,
#else
glInternalFormat,
#endif
this.width, this.height, 0,
glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
// Restore the bound texture.
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
});
#endif
}
private void PlatformConstruct(GraphicsDevice graphicsDevice, int size, bool mipMap, SurfaceFormat format, bool renderTarget)
{
this.glTarget = gl.TEXTURE_CUBE_MAP;
this.glTexture = gl.createTexture();
GraphicsExtensions.CheckGLError();
gl.bindTexture(gl.TEXTURE_CUBE_MAP, this.glTexture);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, mipMap ? gl.LINEAR_MIPMAP_LINEAR : gl.LINEAR);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
GraphicsExtensions.CheckGLError();
gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(GraphicsDevice, out glInternalFormat, out glFormat, out glType);
for (var i = 0; i < 6; i++)
{
var target = GetGLCubeFace((CubeMapFace)i);
if (glFormat == gl.COMPRESSED_TEXTURE_FORMATS)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(size, 16) * Math.Max(size, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(size, 8) * Math.Max(size, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt1a:
case SurfaceFormat.Dxt1SRgb:
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt3SRgb:
case SurfaceFormat.Dxt5:
case SurfaceFormat.Dxt5SRgb:
case SurfaceFormat.RgbEtc1:
case SurfaceFormat.RgbaAtcExplicitAlpha:
case SurfaceFormat.RgbaAtcInterpolatedAlpha:
imageSize = (size + 3) / 4 * ((size + 3) / 4) * format.GetSize();
break;
default:
throw new NotSupportedException();
}
gl.compressedTexImage2D(target, 0, glInternalFormat, size, size, 0, new Int8Array(0));
GraphicsExtensions.CheckGLError();
}
else
{
gl.texImage2D(target, 0, glInternalFormat, size, size, 0, glFormat, glType, new Int8Array(0).As <ArrayBufferView>());
GraphicsExtensions.CheckGLError();
}
}
if (mipMap)
{
gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
GraphicsExtensions.CheckGLError();
}
}
internal TextureCube(GraphicsDevice graphicsDevice, int size, bool mipMap, SurfaceFormat format, bool renderTarget)
{
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
this.GraphicsDevice = graphicsDevice;
this.size = size;
this._format = format;
this._levelCount = mipMap ? CalculateMipLevels(size) : 1;
#if DIRECTX
var description = new Texture2DDescription
{
Width = size,
Height = size,
MipLevels = _levelCount,
ArraySize = 6, // A texture cube is a 2D texture array with 6 textures.
Format = SharpDXHelper.ToFormat(format),
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Default,
OptionFlags = ResourceOptionFlags.TextureCube
};
if (renderTarget)
{
description.BindFlags |= BindFlags.RenderTarget;
if (mipMap)
{
description.OptionFlags |= ResourceOptionFlags.GenerateMipMaps;
}
}
_texture = new SharpDX.Direct3D11.Texture2D(graphicsDevice._d3dDevice, description);
#elif PSM
//TODO
#else
this.glTarget = TextureTarget.TextureCubeMap;
#if IOS || ANDROID
GL.GenTextures(1, ref this.glTexture);
#else
GL.GenTextures(1, out this.glTexture);
#endif
GraphicsExtensions.CheckGLError();
GL.BindTexture(TextureTarget.TextureCubeMap, this.glTexture);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter,
mipMap ? (int)TextureMinFilter.LinearMipmapLinear : (int)TextureMinFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
for (int i = 0; i < 6; i++)
{
TextureTarget target = GetGLCubeFace((CubeMapFace)i);
if (glFormat == (PixelFormat)All.CompressedTextureFormats)
{
throw new NotImplementedException();
}
else
{
#if IOS || ANDROID
GL.TexImage2D(target, 0, (int)glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#else
GL.TexImage2D(target, 0, glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#endif
GraphicsExtensions.CheckGLError();
}
}
if (mipMap)
{
#if IOS || ANDROID
GL.GenerateMipmap(TextureTarget.TextureCubeMap);
#else
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.GenerateMipmap, (int)All.True);
#endif
GraphicsExtensions.CheckGLError();
}
#endif
}
public TextureCube(GraphicsDevice graphicsDevice, int size, bool mipMap, SurfaceFormat format)
{
this.size = size;
this.levelCount = 1;
#if WINRT
#elif PSS
//TODO
#else
this.glTarget = TextureTarget.TextureCubeMap;
#if IPHONE || ANDROID
GL.GenTextures(1, ref this.glTexture);
#else
GL.GenTextures(1, out this.glTexture);
#endif
GraphicsExtensions.CheckGLError();
GL.BindTexture(TextureTarget.TextureCubeMap, this.glTexture);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter,
mipMap ? (int)TextureMinFilter.LinearMipmapLinear : (int)TextureMinFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT,
(int)TextureWrapMode.ClampToEdge);
GraphicsExtensions.CheckGLError();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
for (int i = 0; i < 6; i++)
{
TextureTarget target = GetGLCubeFace((CubeMapFace)i);
if (glFormat == (PixelFormat)All.CompressedTextureFormats)
{
throw new NotImplementedException();
}
else
{
#if IPHONE || ANDROID
GL.TexImage2D(target, 0, (int)glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#else
GL.TexImage2D(target, 0, glInternalFormat, size, size, 0, glFormat, glType, IntPtr.Zero);
#endif
GraphicsExtensions.CheckGLError();
}
}
if (mipMap)
{
#if IPHONE || ANDROID
GL.GenerateMipmap(TextureTarget.TextureCubeMap);
#else
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.GenerateMipmap, (int)All.True);
#endif
GraphicsExtensions.CheckGLError();
int v = this.size;
while (v > 1)
{
v /= 2;
this.levelCount++;
}
}
#endif
}
internal Texture2D(GraphicsDevice graphicsDevice, int width, int height, bool mipmap, SurfaceFormat format, bool renderTarget)
{
if (graphicsDevice == null)
throw new ArgumentNullException("Graphics Device Cannot Be Null");
this.GraphicsDevice = graphicsDevice;
this.width = width;
this.height = height;
this.format = format;
this.levelCount = 1;
if (mipmap)
{
int size = Math.Max(this.width, this.height);
while (size > 1)
{
size = size / 2;
this.levelCount++;
}
}
#if DIRECTX
// TODO: Move this to SetData() if we want to make Immutable textures!
var desc = new SharpDX.Direct3D11.Texture2DDescription();
desc.Width = width;
desc.Height = height;
desc.MipLevels = levelCount;
desc.ArraySize = 1;
desc.Format = SharpDXHelper.ToFormat(format);
desc.BindFlags = SharpDX.Direct3D11.BindFlags.ShaderResource;
desc.CpuAccessFlags = SharpDX.Direct3D11.CpuAccessFlags.None;
desc.SampleDescription.Count = 1;
desc.SampleDescription.Quality = 0;
desc.Usage = SharpDX.Direct3D11.ResourceUsage.Default;
desc.OptionFlags = SharpDX.Direct3D11.ResourceOptionFlags.None;
if (renderTarget)
desc.BindFlags |= SharpDX.Direct3D11.BindFlags.RenderTarget;
_texture = new SharpDX.Direct3D11.Texture2D(graphicsDevice._d3dDevice, desc);
#elif PSM
_texture2D = new Sce.PlayStation.Core.Graphics.Texture2D(width, height, mipmap, PSSHelper.ToFormat(format));
#else
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread(() =>
{
// Store the current bound texture.
var prevTexture = GraphicsExtensions.GetBoundTexture2D();
GenerateGLTextureIfRequired();
format.GetGLFormat(out glInternalFormat, out glFormat, out glType);
if (glFormat == (GLPixelFormat)All.CompressedTextureFormats)
{
var imageSize = 0;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(this.width, 8) * Math.Max(this.height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(this.width, 16) * Math.Max(this.height, 8) * 4 + 7) / 8;
break;
case SurfaceFormat.Dxt1:
imageSize = ((this.width + 3) / 4) * ((this.height + 3) / 4) * 8 * 1;
break;
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
imageSize = ((this.width + 3) / 4) * ((this.height + 3) / 4) * 16 * 1;
break;
default:
throw new NotImplementedException();
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, glInternalFormat,
this.width, this.height, 0,
imageSize, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0,
#if IOS || ANDROID
(int)glInternalFormat,
#else
glInternalFormat,
#endif
this.width, this.height, 0,
glFormat, glType, IntPtr.Zero);
GraphicsExtensions.CheckGLError();
}
// Restore the bound texture.
GL.BindTexture(TextureTarget.Texture2D, prevTexture);
GraphicsExtensions.CheckGLError();
});
#endif
}
private void PlatformConstruct(
int width, int height, bool mipmap, SurfaceFormat format, SurfaceType type, bool shared)
{
_glTarget = TextureTarget.Texture2D;
format.GetGLFormat(GraphicsDevice, out _glInternalFormat, out _glFormat, out _glType);
GenerateGLTextureIfRequired();
int level = 0;
while (true)
{
if (_glFormat == GLPixelFormat.CompressedTextureFormats)
{
// PVRTC has explicit calculations for imageSize
// https://www.khronos.org/registry/OpenGL/extensions/IMG/IMG_texture_compression_pvrtc.txt
int imageSize;
switch (format)
{
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
imageSize = (Math.Max(width, 16) * Math.Max(height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
imageSize = (Math.Max(width, 8) * Math.Max(height, 8) * 4 + 7) / 8;
break;
default:
{
format.GetBlockSize(out int blockWidth, out int blockHeight);
int wBlocks = (width + (blockWidth - 1)) / blockWidth;
int hBlocks = (height + (blockHeight - 1)) / blockHeight;
imageSize = wBlocks * hBlocks * format.GetSize();
break;
}
}
GL.CompressedTexImage2D(
TextureTarget.Texture2D, level, _glInternalFormat, width, height, 0, imageSize, IntPtr.Zero);
GL.CheckError();
}
else
{
GL.TexImage2D(
TextureTarget.Texture2D, level, _glInternalFormat, width, height, 0, _glFormat, _glType, IntPtr.Zero);
GL.CheckError();
}
if ((width == 1 && height == 1) || !mipmap)
{
break;
}
if (width > 1)
{
width /= 2;
}
if (height > 1)
{
height /= 2;
}
level++;
}
}