示例#1
0
        public void Create(long Key, byte[] Data, GalImage Image)
        {
            int Handle = GL.GenTexture();

            GL.BindTexture(TextureTarget.Texture2D, Handle);

            const int Level  = 0; //TODO: Support mipmap textures.
            const int Border = 0;

            TextureCache.AddOrUpdate(Key, new ImageHandler(Handle, Image), (uint)Data.Length);

            if (ImageUtils.IsCompressed(Image.Format) && !IsAstc(Image.Format))
            {
                InternalFormat InternalFmt = OGLEnumConverter.GetCompressedImageFormat(Image.Format);

                GL.CompressedTexImage2D(
                    TextureTarget.Texture2D,
                    Level,
                    InternalFmt,
                    Image.Width,
                    Image.Height,
                    Border,
                    Data.Length,
                    Data);
            }
            else
            {
                //TODO: Use KHR_texture_compression_astc_hdr when available
                if (IsAstc(Image.Format))
                {
                    int TextureBlockWidth  = ImageUtils.GetBlockWidth(Image.Format);
                    int TextureBlockHeight = ImageUtils.GetBlockHeight(Image.Format);

                    Data = ASTCDecoder.DecodeToRGBA8888(
                        Data,
                        TextureBlockWidth,
                        TextureBlockHeight, 1,
                        Image.Width,
                        Image.Height, 1);

                    Image.Format = GalImageFormat.RGBA8 | (Image.Format & GalImageFormat.TypeMask);
                }

                (PixelInternalFormat InternalFmt,
                 PixelFormat Format,
                 PixelType Type) = OGLEnumConverter.GetImageFormat(Image.Format);

                GL.TexImage2D(
                    TextureTarget.Texture2D,
                    Level,
                    InternalFmt,
                    Image.Width,
                    Image.Height,
                    Border,
                    Format,
                    Type,
                    Data);
            }
        }
示例#2
0
        public void Create(long Key, int Size, GalImage Image)
        {
            int Handle = GL.GenTexture();

            GL.BindTexture(TextureTarget.Texture2D, Handle);

            const int Level  = 0; //TODO: Support mipmap textures.
            const int Border = 0;

            TextureCache.AddOrUpdate(Key, new ImageHandler(Handle, Image), (uint)Size);

            GalImageFormat TypeLess = Image.Format & GalImageFormat.FormatMask;

            bool IsASTC = TypeLess >= GalImageFormat.ASTC_BEGIN && TypeLess <= GalImageFormat.ASTC_END;

            if (ImageUtils.IsCompressed(Image.Format) && !IsASTC)
            {
                InternalFormat InternalFmt = OGLEnumConverter.GetCompressedImageFormat(Image.Format);

                GL.CompressedTexImage2D(
                    TextureTarget.Texture2D,
                    Level,
                    InternalFmt,
                    Image.Width,
                    Image.Height,
                    Border,
                    Size,
                    IntPtr.Zero);
            }
            else
            {
                (PixelInternalFormat InternalFmt,
                 PixelFormat Format,
                 PixelType Type) = OGLEnumConverter.GetImageFormat(Image.Format);

                GL.TexImage2D(
                    TextureTarget.Texture2D,
                    Level,
                    InternalFmt,
                    Image.Width,
                    Image.Height,
                    Border,
                    Format,
                    Type,
                    IntPtr.Zero);
            }
        }
示例#3
0
        public void Create(long Key, byte[] Data, GalImage Image)
        {
            int Handle = GL.GenTexture();

            TextureCache.AddOrUpdate(Key, new ImageHandler(Handle, Image), (uint)Data.Length);

            GL.BindTexture(TextureTarget.Texture2D, Handle);

            const int Level  = 0; //TODO: Support mipmap textures.
            const int Border = 0;

            if (IsCompressedTextureFormat(Image.Format))
            {
                InternalFormat InternalFmt = OGLEnumConverter.GetCompressedImageFormat(Image.Format);

                GL.CompressedTexImage2D(
                    TextureTarget.Texture2D,
                    Level,
                    InternalFmt,
                    Image.Width,
                    Image.Height,
                    Border,
                    Data.Length,
                    Data);
            }
            else
            {
                if (Image.Format >= GalImageFormat.ASTC_BEGIN && Image.Format <= GalImageFormat.ASTC_END)
                {
                    int TextureBlockWidth  = GetAstcBlockWidth(Image.Format);
                    int TextureBlockHeight = GetAstcBlockHeight(Image.Format);

                    Data = ASTCDecoder.DecodeToRGBA8888(
                        Data,
                        TextureBlockWidth,
                        TextureBlockHeight, 1,
                        Image.Width,
                        Image.Height, 1);

                    Image.Format = GalImageFormat.A8B8G8R8_UNORM_PACK32;
                }

                (PixelInternalFormat InternalFormat, PixelFormat Format, PixelType Type) = OGLEnumConverter.GetImageFormat(Image.Format);

                GL.TexImage2D(
                    TextureTarget.Texture2D,
                    Level,
                    InternalFormat,
                    Image.Width,
                    Image.Height,
                    Border,
                    Format,
                    Type,
                    Data);
            }

            int SwizzleR = (int)OGLEnumConverter.GetTextureSwizzle(Image.XSource);
            int SwizzleG = (int)OGLEnumConverter.GetTextureSwizzle(Image.YSource);
            int SwizzleB = (int)OGLEnumConverter.GetTextureSwizzle(Image.ZSource);
            int SwizzleA = (int)OGLEnumConverter.GetTextureSwizzle(Image.WSource);

            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleR, SwizzleR);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleG, SwizzleG);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleB, SwizzleB);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureSwizzleA, SwizzleA);
        }