public ValueTask set_s3tc(WEBGL_compressed_texture_s3tc value) { __s3tc = null; return(EventHorizonBlazorInterop.Set( this.___guid, "s3tc", value )); }
public async ValueTask <WEBGL_compressed_texture_s3tc> get_s3tc() { if (__s3tc == null) { __s3tc = await EventHorizonBlazorInterop.GetClass <WEBGL_compressed_texture_s3tc>( this.___guid, "s3tc", (entity) => { return(new WEBGL_compressed_texture_s3tc() { ___guid = entity.___guid }); } ); } return(__s3tc); }
/// <summary> /// </summary> /// <param name="gl"> /// </param> /// <param name="ext"> /// </param> /// <param name="arrayBuffer"> /// </param> /// <param name="info"> /// </param> /// <param name="loadMipmaps"> /// </param> /// <param name="faces"> /// </param> public static void UploadDDSLevels( WebGLRenderingContext gl, WEBGL_compressed_texture_s3tc ext, byte[] arrayBuffer, DDSInfo info, bool loadMipmaps, int faces) { var header = ArrayConvert.AsInt(arrayBuffer, 0, headerLengthInt); int fourCC; var blockBytes = 0; var internalFormat = 0; int width; int height; int dataLength; int dataOffset; byte[] byteArray; int mipmapCount; int i; if (header[off_magic] != DDS_MAGIC) { Tools.Error("Invalid magic number in DDS header"); return; } if (!info.isFourCC && !info.isRGB && !info.isLuminance) { Tools.Error("Unsupported format, must contain a FourCC, RGB or LUMINANCE code"); return; } if (info.isFourCC) { fourCC = header[off_pfFourCC]; switch (fourCC) { case FOURCC_DXT1: blockBytes = 8; internalFormat = ext.COMPRESSED_RGBA_S3TC_DXT1_EXT; break; case FOURCC_DXT3: blockBytes = 16; internalFormat = ext.COMPRESSED_RGBA_S3TC_DXT3_EXT; break; case FOURCC_DXT5: blockBytes = 16; internalFormat = ext.COMPRESSED_RGBA_S3TC_DXT5_EXT; break; default: Tools.Error(string.Format("Unsupported FourCC code: {0}", fourCC)); return; } } mipmapCount = 1; if ((header[off_flags] & DDSD_MIPMAPCOUNT) > 0 && loadMipmaps) { mipmapCount = Math.Max(1, header[off_mipmapCount]); } var bpp = header[off_RGBbpp]; for (var face = 0; face < faces; face++) { var sampler = (faces == 1) ? Gl.TEXTURE_2D : (Gl.TEXTURE_CUBE_MAP_POSITIVE_X + face); width = header[off_width]; height = header[off_height]; dataOffset = header[off_size] + 4; for (i = 0; i < mipmapCount; ++i) { if (info.isRGB) { if (bpp == 24) { dataLength = width * height * 3; byteArray = GetRGBArrayBuffer(width, height, dataOffset, dataLength, arrayBuffer); gl.texImage2D(sampler, i, Gl.RGB, width, height, 0, Gl.RGB, Gl.UNSIGNED_BYTE, byteArray); } else { dataLength = width * height * 4; byteArray = GetRGBAArrayBuffer(width, height, dataOffset, dataLength, arrayBuffer); gl.texImage2D(sampler, i, Gl.RGBA, width, height, 0, Gl.RGBA, Gl.UNSIGNED_BYTE, byteArray); } } else if (info.isLuminance) { var unpackAlignment = (int)gl.getParameter(Gl.UNPACK_ALIGNMENT); var unpaddedRowSize = width; var paddedRowSize = (int)Math.Floor((double)(width + unpackAlignment - 1) / unpackAlignment) * unpackAlignment; dataLength = paddedRowSize * (height - 1) + unpaddedRowSize; byteArray = GetLuminanceArrayBuffer(width, height, dataOffset, dataLength, arrayBuffer); gl.texImage2D(sampler, i, Gl.LUMINANCE, width, height, 0, Gl.LUMINANCE, Gl.UNSIGNED_BYTE, byteArray); } else { dataLength = Math.Max(4, width) / 4 * Math.Max(4, height) / 4 * blockBytes; byteArray = ArrayConvert.AsByte(arrayBuffer, dataOffset, dataLength); gl.compressedTexImage2D(sampler, i, internalFormat, width, height, 0, byteArray); } dataOffset += dataLength; width /= 2; height /= 2; width = Math.Max(1, width); height = Math.Max(1, height); } } }