private GenTextures ( |
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n | ||
textures | [ | |
Résultat | void |
protected unsafe virtual bool init(IDisposableResource parent, Image image, int width, int height, bool generateMipmaps, MultiSampleTypes multiSampleType, SurfaceFormats surfaceFormat, RenderTargetUsage renderTargetUsage, BufferUsages usage, bool isRenderTarget, Loader.LoadedCallbackMethod loadedCallback) { try { if (usage == BufferUsages.Read && !isRenderTarget) { Debug.ThrowError("Texture2D", "Only RenderTargets may be readable"); } video = parent.FindParentOrSelfWithException <Video>(); if (isRenderTarget) { generateMipmaps = false; } uint texturesTEMP = 0; GL.GenTextures(1, &texturesTEMP); Texture = texturesTEMP; if (Texture == 0) { Debug.ThrowError("Texture2D", "Failed to Generate Texture"); } GL.BindTexture(GL.TEXTURE_2D, Texture); if (!generateMipmaps) { GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR); } else { GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_LINEAR); } GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, GL.LINEAR); hasMipmaps = false; if (image != null) { var imageType = image.GetType(); #if NaCl if (imageType == typeof(ImageBMPC)) #else if (imageType == typeof(ImagePNG) || imageType == typeof(ImageJPG) || imageType == typeof(ImageBMP) || imageType == typeof(ImageBMPC)) #endif { uint pixelOrder, byteSizes; int format = Video.surfaceFormat(surfaceFormat, out pixelOrder, out byteSizes); var mipmap = image.Mipmaps[0]; fixed(byte *data = mipmap.Data) { GL.TexImage2D(GL.TEXTURE_2D, 0, format, mipmap.Size.Width, mipmap.Size.Height, 0, pixelOrder, byteSizes, data); if (generateMipmaps) { hasMipmaps = true; GL.GenerateMipmap(GL.TEXTURE_2D); } } } else if (imageType == typeof(ImageDDS) || imageType == typeof(ImagePVR)) { if (image.Mipmaps.Length != Image.Mipmap.CalculateMipmapLvls(image.Size.Width, image.Size.Height)) { Debug.ThrowError("Texture2D", "Compressed Textures require full mipmap chain"); } GL.TexParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_LINEAR); hasMipmaps = true; bool compressed = false; uint format = 0; string errorType = null; if (imageType == typeof(ImageDDS)) { var imageDDS = (ImageDDS)image; compressed = imageDDS.Compressed; format = imageDDS.FormatGL; errorType = "DDS"; } else if (imageType == typeof(ImagePVR)) { var imagePVR = (ImagePVR)image; compressed = imagePVR.Compressed; format = imagePVR.FormatGL; errorType = "PVR"; } if (compressed) { for (int i = 0; i < image.Mipmaps.Length; ++i) { var mipmap = image.Mipmaps[i]; fixed(byte *data = mipmap.Data) { // look up:: libtxc_dxtn.so for linux with mesa GL.CompressedTexImage2D(GL.TEXTURE_2D, i, format, mipmap.Size.Width, mipmap.Size.Height, 0, mipmap.Data.Length, data); } } } else { Debug.ThrowError("Texture2D", "Loading uncompresed " + errorType + " textures not supported"); } } Size = image.Size; PixelByteSize = image.CalculatePixelByteSize(); } else { //GL.TexImage2D(GL.TEXTURE_2D, 0, Video.surfaceFormat(surfaceFormat), width, height, 0, GL.RGBA, GL.UNSIGNED_BYTE, IntPtr.Zero.ToPointer()); uint pixelOrder, byteSizes; int format = Video.surfaceFormat(surfaceFormat, out pixelOrder, out byteSizes); GL.TexImage2D(GL.TEXTURE_2D, 0, format, width, height, 0, pixelOrder, byteSizes, IntPtr.Zero.ToPointer()); if (generateMipmaps) { hasMipmaps = true; GL.GenerateMipmap(GL.TEXTURE_2D); } Size = new Size2(width, height); PixelByteSize = Image.CalculatePixelByteSize((surfaceFormat == SurfaceFormats.Defualt ? Video.DefaultSurfaceFormat() : surfaceFormat), width, height); } SizeF = Size.ToVector2(); uint error; string errorName; if (Video.checkForError(out error, out errorName)) { Debug.ThrowError("Texture2D", string.Format("{0} {1}: Failed to load/create texture", error, errorName)); } } catch (Exception e) { FailedToLoad = true; Loader.AddLoadableException(e); Dispose(); if (loadedCallback != null) { loadedCallback(this, false); } return(false); } if (!isRenderTarget) { Loaded = true; if (loadedCallback != null) { loadedCallback(this, true); } } return(true); }