private void BuildMipmaps(PixelBox data) { int width, height, logW, logH, level; PixelBox scaled = data; scaled.Data = data.Data; scaled.Left = data.Left; scaled.Right = data.Right; scaled.Top = data.Top; scaled.Bottom = data.Bottom; scaled.Front = data.Front; scaled.Back = data.Back; width = data.Width; height = data.Height; logW = (int)System.Math.Log(width); logH = (int)System.Math.Log(height); level = (logW > logH ? logW : logH); for (int mip = 0; mip < level; mip++) { All glFormat = GLES2PixelUtil.GetGLOriginFormat(scaled.Format); All dataType = GLES2PixelUtil.GetGLOriginDataType(scaled.Format); GL.TexImage2D(this.faceTarget, mip, (int)glFormat, width, height, 0, glFormat, dataType, scaled.Data.Pin()); GLES2Config.GlCheckError(this); if (mip != 0) { scaled.Data = null; } if (width > 1) { width /= 2; } if (height > 1) { height /= 2; } int sizeInBytes = PixelUtil.GetMemorySize(width, height, 1, data.Format); scaled = new PixelBox(width, height, 1, data.Format); scaled.Data = BufferBase.Wrap(new byte[sizeInBytes]); Image.Scale(data, scaled, ImageFilter.Linear); } //Delete the scaled data for the last level if (level > 0) { scaled.Data = null; } }
public void InitWithData(IntPtr data, SurfaceFormat pixelFormat, int width, int height, Size size, ALL11 filter, ALL11 wrap) { if (GraphicsDevice.OpenGLESVersion == OpenTK.Graphics.GLContextVersion.Gles2_0) { if (!MathHelper.IsPowerOfTwo(width) || !MathHelper.IsPowerOfTwo(height)) { filter = ALL11.Linear; wrap = ALL11.ClampToEdge; } GL20.GenTextures(1, ref _name); GL20.BindTexture(ALL20.Texture2D, _name); GL20.TexParameter(ALL20.Texture2D, ALL20.TextureMinFilter, (int)filter); GL20.TexParameter(ALL20.Texture2D, ALL20.TextureMagFilter, (int)filter); GL20.TexParameter(ALL20.Texture2D, ALL20.TextureWrapS, (int)wrap); GL20.TexParameter(ALL20.Texture2D, ALL20.TextureWrapT, (int)wrap); switch (pixelFormat) { case SurfaceFormat.Color /*kTexture2DPixelFormat_RGBA8888*/: case SurfaceFormat.Dxt1: case SurfaceFormat.Dxt3: //sz = 4; GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Rgba, (int)width, (int)height, 0, ALL20.Rgba, ALL20.UnsignedByte, data); break; case SurfaceFormat.Bgra4444 /*kTexture2DPixelFormat_RGBA4444*/: //sz = 2; GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Rgba, (int)width, (int)height, 0, ALL20.Rgba, ALL20.UnsignedShort4444, data); break; case SurfaceFormat.Bgra5551 /*kTexture2DPixelFormat_RGB5A1*/: //sz = 2; GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Rgba, (int)width, (int)height, 0, ALL20.Rgba, ALL20.UnsignedShort5551, data); break; case SurfaceFormat.Alpha8 /*kTexture2DPixelFormat_A8*/: //sz = 1; GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Alpha, (int)width, (int)height, 0, ALL20.Alpha, ALL20.UnsignedByte, data); break; default: throw new NotSupportedException("Texture format"); } } else { GL11.GenTextures(1, ref _name); GL11.BindTexture(ALL11.Texture2D, _name); GL11.TexParameter(ALL11.Texture2D, ALL11.TextureMinFilter, (int)filter); GL11.TexParameter(ALL11.Texture2D, ALL11.TextureMagFilter, (int)filter); GL11.TexParameter(ALL11.Texture2D, ALL11.TextureWrapS, (int)ALL11.ClampToEdge); GL11.TexParameter(ALL11.Texture2D, ALL11.TextureWrapT, (int)ALL11.ClampToEdge); switch (pixelFormat) { case SurfaceFormat.Color /*kTexture2DPixelFormat_RGBA8888*/: case SurfaceFormat.Dxt1: case SurfaceFormat.Dxt3: GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Rgba, (int)width, (int)height, 0, ALL11.Rgba, ALL11.UnsignedByte, data); break; case SurfaceFormat.Bgra4444 /*kTexture2DPixelFormat_RGBA4444*/: GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Rgba, (int)width, (int)height, 0, ALL11.Rgba, ALL11.UnsignedShort4444, data); break; case SurfaceFormat.Bgra5551 /*kTexture2DPixelFormat_RGB5A1*/: GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Rgba, (int)width, (int)height, 0, ALL11.Rgba, ALL11.UnsignedShort5551, data); break; case SurfaceFormat.Alpha8 /*kTexture2DPixelFormat_A8*/: GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Alpha, (int)width, (int)height, 0, ALL11.Alpha, ALL11.UnsignedByte, data); break; default: throw new NotSupportedException("Texture format"); } } _size = size; _width = width; _height = height; _format = pixelFormat; _maxS = size.Width / (float)_width; _maxT = size.Height / (float)_height; }
protected override void createInternalResources() { //Conver to nearest power of two size if require this.width = GLES2PixelUtil.OptionalPO2(Width); this.height = GLES2PixelUtil.OptionalPO2(Height); this.depth = GLES2PixelUtil.OptionalPO2(Depth); //Adjust format if required format = TextureManager.Instance.GetNativeFormat(textureType, Format, usage); //Check requested number of mipmaps int maxMips = GLES2PixelUtil.GetMaxMipmaps(this.width, this.height, this.depth, format); if (PixelUtil.IsCompressed(format) && (mipmapCount == 0)) { requestedMipmapCount = 0; } mipmapCount = requestedMipmapCount; if (mipmapCount > maxMips) { mipmapCount = maxMips; } //Generate texture name GL.GenTextures(1, ref this.textureID); GLES2Config.GlCheckError(this); //Set texture name GL.BindTexture(this.GLES2TextureTarget, this.textureID); GLES2Config.GlCheckError(this); //Set some misc default parameters, tehse can of course be changed later GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureMinFilter, (int)GLenum.Nearest); GLES2Config.GlCheckError(this); GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureMagFilter, (int)GLenum.Nearest); GLES2Config.GlCheckError(this); GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureWrapS, (int)GLenum.ClampToEdge); GLES2Config.GlCheckError(this); GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureWrapT, (int)GLenum.ClampToEdge); GLES2Config.GlCheckError(this); //If we can do automip generation and the user desires this, do so mipmapsHardwareGenerated = Root.Instance.RenderSystem.Capabilities.HasCapability(Capabilities.HardwareMipMaps) && !PixelUtil.IsCompressed(format); //Ogre FIXME: For some reason this is crashing on iOS 5 #if !MONOTOUCH && ANDROID if ((usage & TextureUsage.AutoMipMap) == TextureUsage.AutoMipMap && requestedMipmapCount > 0 && mipmapsHardwareGenerated && (textureType != Graphics.TextureType.CubeMap)) { GL.GenerateMipmap(this.GLES2TextureTarget); GLES2Config.GlCheckError(this); } #endif //Allocate internal buffer so that glTexSubImageXD can be used //INternal format GLenum glformat = GLES2PixelUtil.GetClosestGLInternalFormat(format, hwGamma); GLenum dataType = GLES2PixelUtil.GetGLOriginDataType(format); int width = Width; int height = Height; int depth = Depth; if (PixelUtil.IsCompressed(format)) { //Compressed formats int size = PixelUtil.GetMemorySize(Width, Height, Depth, Format); // Provide temporary buffer filled with zeroes as glCompressedTexImageXD does not // accept a 0 pointer like normal glTexImageXD // Run through this process for every mipmap to pregenerate mipmap pyramid var tmpData = new IntPtr(); for (int mip = 0; mip < mipmapCount; mip++) { size = PixelUtil.GetMemorySize(width, height, depth, Format); switch (textureType) { case TextureType.OneD: case TextureType.TwoD: GL.CompressedTexImage2D(GLenum.Texture2D, mip, glformat, width, height, 0, size, tmpData); GLES2Config.GlCheckError(this); break; case TextureType.CubeMap: for (int face = 0; face < 6; face++) { GL.CompressedTexImage2D((GLenum)((int)GLenum.TextureCubeMapPositiveX + face), mip, glformat, width, height, 0, size, tmpData); GLES2Config.GlCheckError(this); } break; case TextureType.ThreeD: break; default: break; } if (width > 1) { width = width / 2; } if (height > 1) { height = height / 2; } if (depth > 1) { depth = depth / 2; } } tmpData = IntPtr.Zero; } else { //Run through this process to pregenerate mipmap pyramid for (int mip = 0; mip < mipmapCount; mip++) { //Normal formats switch (textureType) { case TextureType.OneD: case TextureType.TwoD: GL.TexImage2D(GLenum.Texture2D, mip, (int)glformat, width, height, 0, glformat, dataType, new IntPtr()); GLES2Config.GlCheckError(this); break; case TextureType.CubeMap: for (int face = 0; face < 6; face++) { GL.TexImage2D(GLenum.TextureCubeMapPositiveX + face, mip, (int)glformat, width, height, 0, glformat, dataType, new IntPtr()); GLES2Config.GlCheckError(this); } break; case TextureType.ThreeD: default: break; } if (width > 1) { width /= 2; } if (height > 1) { height /= 2; } } } this.CreateSurfaceList(); //Get final internal format base.format = this.GetBuffer(0, 0).Format; }
public override void BlitFromMemory(PixelBox src, BasicBox dstBox) { // Fall back to normal GLHardwarePixelBuffer::blitFromMemory in case // - FBO is not supported // - Either source or target is luminance due doesn't looks like supported by hardware // - the source dimensions match the destination ones, in which case no scaling is needed //Ogre TODO: Check that extension is NOT available if (PixelUtil.IsLuminance(src.Format) || PixelUtil.IsLuminance(this.format) || (src.Width == dstBox.Width && src.Height == dstBox.Height && src.Depth == dstBox.Depth)) { base.BlitFromMemory(src, dstBox); return; } if (!Buffer.Contains(dstBox)) { throw new ArgumentOutOfRangeException("dstBox", "Destination box out of range"); } //For scoped deletion of conversion buffer PixelBox srcPB; BufferBase buf; //first, convert the srcbox to a OpenGL compatible pixel format if (GLES2PixelUtil.GetGLOriginFormat(src.Format) == 0) { //Conver to buffer intenral format buf = BufferBase.Wrap(new byte[PixelUtil.GetMemorySize(src.Width, src.Height, src.Depth, this.format)]); srcPB = new PixelBox(src.Width, src.Height, src.Depth, this.format, buf); PixelConverter.BulkPixelConversion(src, srcPB); } else { //No conversion needed srcPB = src; } //Create temporary texture to store source data int id = 0; All target = All.Texture2D; int width = GLES2PixelUtil.OptionalPO2(src.Width); int height = GLES2PixelUtil.OptionalPO2(src.Height); All format = GLES2PixelUtil.GetClosestGLInternalFormat(src.Format); All datatype = GLES2PixelUtil.GetGLOriginDataType(src.Format); //Generate texture name GL.GenTextures(1, ref id); GLES2Config.GlCheckError(this); //Set texture type GL.BindTexture(target, id); GLES2Config.GlCheckError(this); //Allocate texture memory GL.TexImage2D(target, 0, (int)format, width, height, 0, format, datatype, IntPtr.Zero); GLES2Config.GlCheckError(this); var tex = new GLES2TextureBuffer(string.Empty, target, id, width, height, format, (All)src.Format, 0, 0, BufferUsage.StaticWriteOnly, false, false, 0); //Upload data to 0,0,0 in temprary texture var tempTarget = new BasicBox(0, 0, 0, srcPB.Width, srcPB.Height, srcPB.Depth); tex.Upload(srcPB, tempTarget); //Blit this.BlitFromTexture(tex, tempTarget, dstBox); GLES2Config.GlCheckError(this); }
protected override void Upload(PixelBox data, BasicBox dest) { GL.BindTexture(this.target, this.textureID); GLES2Config.GlCheckError(this); if (PixelUtil.IsCompressed(data.Format)) { if (data.Format != format || !data.IsConsecutive) { var glFormat = GLES2PixelUtil.GetClosestGLInternalFormat(format); //Data must be consecutive and at beginning of buffer as PixelStore is not allowed //for compressed formats if (dest.Left == 0 && dest.Top == 0) { GL.CompressedTexImage2D(this.faceTarget, this.level, glFormat, dest.Width, dest.Height, 0, data.ConsecutiveSize, data.Data.Pin()); GLES2Config.GlCheckError(this); } else { GL.CompressedTexSubImage2D(this.faceTarget, this.level, dest.Left, dest.Top, dest.Width, dest.Height, glFormat, data.ConsecutiveSize, data.Data.Pin()); GLES2Config.GlCheckError(this); } } } else if (this.softwareMipmap) { if (data.Width != data.RowPitch) { //Ogre TODO throw new Core.AxiomException("Unsupported texture format"); } if (data.Height * data.Width != data.SlicePitch) { //Ogre TODO throw new Core.AxiomException("Unsupported texture format"); } GL.PixelStore(All.UnpackAlignment, 1); GLES2Config.GlCheckError(this); this.BuildMipmaps(data); } else { if (data.Width != data.RowPitch) { //Ogre TODO throw new Core.AxiomException("Unsupported texture format"); } if (data.Height * data.Width != data.SlicePitch) { //Ogre TODO throw new Core.AxiomException("Unsupported texture format"); } if ((data.Width * PixelUtil.GetNumElemBytes(data.Format) & 3) != 0) { //Standard alignment of 4 is not right GL.PixelStore(All.UnpackAlignment, 1); GLES2Config.GlCheckError(this); } var dataPtr = data.Data.Pin(); GL.TexImage2D(this.faceTarget, this.level, (int)GLES2PixelUtil.GetClosestGLInternalFormat(data.Format), data.Width, data.Height, 0, GLES2PixelUtil.GetGLOriginFormat(data.Format), GLES2PixelUtil.GetGLOriginDataType(data.Format), dataPtr); //GL.TexSubImage2D( this.faceTarget, this.level, dest.Left, dest.Top, dest.Width, dest.Height, GLES2PixelUtil.GetGLOriginFormat( data.Format ), GLES2PixelUtil.GetGLOriginDataType( data.Format ), dataPtr ); data.Data.UnPin(); GLES2Config.GlCheckError(this); } GL.PixelStore(All.UnpackAlignment, 4); GLES2Config.GlCheckError(this); }