Exemple #1
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        /// <summary>
        /// Allocates texture storage. Does not bind the texture to the specified target, it needs to be bound by the user in advance.
        /// </summary>
        /// <param name="format">The internal format of the texture data</param>
        /// <param name="width">Texture image width</param>
        /// <param name="height">Texture image height</param>
        /// <param name="levels">The number of levels. Use 0 to automatically compute level count.</param>
        protected void TexStorage2D(SizedInternalFormatGlob format, int width, int height, int levels = 0)
        {
            if (levels < 1)
            {
                levels = CountLevels(width, height);
            }

            GL.TexStorage2D((TextureTarget2d)Target, levels, (SizedInternalFormat)format, width, height);
            OnTextureStorage(format, levels, 1, width, height);
        }
Exemple #2
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        void OnTextureStorage(SizedInternalFormatGlob format, int levels, int samples, int width, int height = 0, int depth = 0)
        {
            Format  = format;
            Levels  = levels;
            Samples = samples;

            StorageWidth  = width;
            StorageHeight = height;
            StorageDepth  = depth;

            ViewBase = null;

            ViewMinLevel  = -1;
            ViewNumLevels = -1;
            ViewMinLayer  = -1;
            ViewNumLayers = -1;

            Utils.SetObjectLabel(ObjectLabelIdentifier.Texture, Handle, Name);
        }
Exemple #3
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        // TODO: test texture views

        /// <summary>
        /// Important: do not assign a TextureTarget to the texture before calling TextureView // TODO: proč?
        /// </summary>
        /// <param name="origTexture"></param>
        /// <param name="format"></param>
        /// <param name="minLevel"></param>
        /// <param name="numLevels"></param>
        /// <param name="minLayer"></param>
        /// <param name="numLayers"></param>
        protected void TextureView(Texture origTexture, SizedInternalFormatGlob format, int minLevel, int numLevels,
                                   int minLayer, int numLayers)
        {
            GL.TextureView(Handle, Target, origTexture.Handle, (PixelInternalFormat)format, minLevel, numLevels, minLayer, numLayers);
            Format  = format;
            Levels  = numLevels;
            Samples = origTexture.Samples;

            StorageWidth  = origTexture.StorageWidth >> minLevel;
            StorageHeight = origTexture.StorageHeight >> minLevel;
            StorageDepth  = origTexture.StorageDepth >> minLevel;

            ViewBase = origTexture;

            ViewMinLevel  = minLevel;
            ViewNumLevels = numLevels;
            ViewMinLayer  = minLayer;
            ViewNumLayers = numLayers;
        }
Exemple #4
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 /// <summary>
 /// Allocates multisample texture storage. Does not bind the texture to the specified target, it needs to be bound by the user in advance.
 /// </summary>
 /// <param name="format">The internal format of the texture data</param>
 /// <param name="samples">The sample count of each texture texel</param>
 /// <param name="width">Texture image width</param>
 /// <param name="height">Texture image height</param>
 /// <param name="depth">Texture image depth</param>
 protected void TexStorage3DMultisample(SizedInternalFormatGlob format, int samples, int width, int height, int depth, bool fixedLocations)
 {
     GL.TexStorage3DMultisample((TextureTargetMultisample3d)Target, samples, (SizedInternalFormat)format, width, height, depth, fixedLocations);
     OnTextureStorage(format, 1, samples, width, height, depth);
 }
Exemple #5
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 // TODO: texture views
 public Texture2D(Device device, string name, SizedInternalFormatGlob format, Texture origTexture, int minLevel, int numLevels, int minLayer = 0)
     : base(TextureTarget.Texture2D, name)
 {
     // Texture view - no need to bind
     TextureView(origTexture, format, minLevel, numLevels, minLayer, 1);
 }
Exemple #6
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        // TODO

        /// <summary>
        /// Creates a Texture2D using immutable storage.
        /// </summary>
        /// <param name="device">Glob device</param>
        /// <param name="name">Debug label</param>
        /// <param name="format">Texture internal format</param>
        /// <param name="width">Width in texels</param>
        /// <param name="height">Height in texels</param>
        /// <param name="levels">Number of mip level. Special values: 1 for the base level only, 0 to compute number of mip levels automatically from texture dimensions.</param>
        public Texture2D(Device device, string name, SizedInternalFormatGlob format, int width, int height, int levels = 0)
            : base(TextureTarget.Texture2D, name)
        {
            device.BindTexture(Target, Handle);
            TexStorage2D(format, width, height, levels);
        }
Exemple #7
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 public Texture3D(Device device, string name, SizedInternalFormatGlob format, Texture origTexture, int minLevel, int numLevels, int minLayer = 0, int numLayers = 1)
     : base(TextureTarget.Texture3D, name)
 {
     //state.TextureUnit.BindTexture(Target, Handle);
     TextureView(origTexture, format, minLevel, numLevels, minLayer, numLayers);
 }