コード例 #1
0
        public OpenGLESTexture2D(
            int mipLevels,
            int width,
            int height,
            PixelFormat veldridFormat,
            OpenTK.Graphics.ES30.PixelFormat pixelFormat,
            PixelType pixelType)
            : base(TextureTarget.Texture2D, width, height)
        {
            MipLevels          = mipLevels;
            _veldridFormat     = veldridFormat;
            _pixelFormat       = pixelFormat;
            _pixelType         = pixelType;
            _texComponentCount = OpenGLESFormats.MapTextureComponentCount(veldridFormat, pixelFormat == OpenTK.Graphics.ES30.PixelFormat.DepthComponent);

            Bind();

            for (int currentLevel = 0; currentLevel < mipLevels; currentLevel++)
            {
                // Set size, load empty data into texture
                GL.TexImage2D(
                    TextureTarget2d.Texture2D,
                    currentLevel,
                    _texComponentCount,
                    width, height,
                    0, // border
                    _pixelFormat,
                    _pixelType,
                    IntPtr.Zero);
                Utilities.CheckLastGLES3Error();
                width  = Math.Max(1, width / 2);
                height = Math.Max(1, height / 2);
            }
        }
コード例 #2
0
        public OpenGLESCubemapTexture(
            IntPtr pixelsFront,
            IntPtr pixelsBack,
            IntPtr pixelsLeft,
            IntPtr pixelsRight,
            IntPtr pixelsTop,
            IntPtr pixelsBottom,
            int width,
            int height,
            PixelFormat format)
            : base(TextureTarget.TextureCubeMap, width, height)
        {
            _texComponentCount = OpenGLESFormats.MapTextureComponentCount(format, false);
            _format            = OpenGLESFormats.MapPixelFormat(format);
            _type = OpenGLESFormats.MapPixelType(format);

            Bind();
            GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
            Utilities.CheckLastGLES3Error();
            GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter, (int)TextureMagFilter.Linear);
            Utilities.CheckLastGLES3Error();
            GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
            Utilities.CheckLastGLES3Error();
            GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
            Utilities.CheckLastGLES3Error();
            GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapR, (int)TextureWrapMode.ClampToEdge);
            Utilities.CheckLastGLES3Error();

            SetFacePixels(0, pixelsRight);
            SetFacePixels(1, pixelsLeft);
            SetFacePixels(2, pixelsTop);
            SetFacePixels(3, pixelsBottom);
            SetFacePixels(4, pixelsBack);
            SetFacePixels(5, pixelsFront);
        }