| static private CalculateMipLevels ( int width, int height, int depth ) : int | ||
| width | int | |
| height | int | |
| depth | int | |
| Résultat | int | |
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 ? Texture.CalculateMipLevels(size, 0, 0) : 1;
this.glTarget = TextureTarget.TextureCubeMap;
GL.GenTextures(1, out this.glTexture);
GL.BindTexture(TextureTarget.TextureCubeMap, this.glTexture);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter, mipMap ? 9987 : 9729);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter, 9729);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS, 33071);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT, 33071);
GraphicsExtensions.GetGLFormat(format, out this.glInternalFormat, out this.glFormat, out this.glType);
for (int index = 0; index < 6; ++index)
{
TextureTarget glCubeFace = this.GetGLCubeFace((CubeMapFace)index);
if (this.glFormat == (PixelFormat)34467)
{
throw new NotImplementedException();
}
GL.TexImage2D(glCubeFace, 0, this.glInternalFormat, size, size, 0, this.glFormat, this.glType, IntPtr.Zero);
}
if (!mipMap)
{
return;
}
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.GenerateMipmap, 1);
}
internal Texture2D(GraphicsDevice graphicsDevice, int width, int height, bool mipmap, SurfaceFormat format, bool renderTarget)
{
Texture2D texture2D = this;
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 ? Texture.CalculateMipLevels(width, height, 0) : 1;
this.glTarget = TextureTarget.Texture2D;
Threading.BlockOnUIThread((Action)(() =>
{
int local_0 = GraphicsExtensions.GetBoundTexture2D();
texture2D.GenerateGLTextureIfRequired();
GraphicsExtensions.GetGLFormat(format, out texture2D.glInternalFormat, out texture2D.glFormat, out texture2D.glType);
if (texture2D.glFormat == (OpenTK.Graphics.OpenGL.PixelFormat) 34467)
{
int local_1_1;
switch (format)
{
case SurfaceFormat.Dxt1:
local_1_1 = (texture2D.width + 3) / 4 * ((texture2D.height + 3) / 4) * 8;
break;
case SurfaceFormat.Dxt3:
case SurfaceFormat.Dxt5:
local_1_1 = (texture2D.width + 3) / 4 * ((texture2D.height + 3) / 4) * 16;
break;
case SurfaceFormat.RgbPvrtc2Bpp:
case SurfaceFormat.RgbaPvrtc2Bpp:
local_1_1 = (Math.Max(texture2D.width, 8) * Math.Max(texture2D.height, 8) * 2 + 7) / 8;
break;
case SurfaceFormat.RgbPvrtc4Bpp:
case SurfaceFormat.RgbaPvrtc4Bpp:
local_1_1 = (Math.Max(texture2D.width, 16) * Math.Max(texture2D.height, 8) * 4 + 7) / 8;
break;
default:
throw new NotImplementedException();
}
GL.CompressedTexImage2D(TextureTarget.Texture2D, 0, texture2D.glInternalFormat, texture2D.width, texture2D.height, 0, local_1_1, IntPtr.Zero);
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0, texture2D.glInternalFormat, texture2D.width, texture2D.height, 0, texture2D.glFormat, texture2D.glType, IntPtr.Zero);
}
GL.BindTexture(TextureTarget.Texture2D, local_0);
}));
}
internal void GenerateMipmaps()
{
Threading.BlockOnUIThread((Action)(() =>
{
int local_0 = GraphicsExtensions.GetBoundTexture2D();
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, this.glTexture);
GL.Hint(HintTarget.GenerateMipmapHint, HintMode.Nicest);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
this.levelCount = Texture.CalculateMipLevels(this.width, this.height, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, 9987);
GL.BindTexture(TextureTarget.Texture2D, local_0);
}));
}