static private CalculateMipLevels ( int width, int height, int depth ) : int | ||
width | int | |
height | int | |
depth | int | |
return | 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); })); }