コード例 #1
0
ファイル: ImageGlPlugin.cs プロジェクト: CNCBrasil/agg-sharp
		static public ImageGlPlugin GetImageGlPlugin(ImageBuffer imageToGetDisplayListFor, bool createAndUseMipMaps, bool TextureMagFilterLinear = true)
		{
			ImageGlPlugin plugin;
			imagesWithCacheData.TryGetValue(imageToGetDisplayListFor.GetBuffer(), out plugin);

			using (TimedLock.Lock(glDataNeedingToBeDeleted, "GetImageGlPlugin"))
			{
				// We run this in here to ensure that we are on the correct thread and have the correct
				// glcontext realized.
				for (int i = glDataNeedingToBeDeleted.Count - 1; i >= 0; i--)
				{
					int textureToDelete = glDataNeedingToBeDeleted[i].glTextureHandle;
					if (glDataNeedingToBeDeleted[i].refreshCountCreatedOn == currentGlobalRefreshCount)
					{
						GL.DeleteTextures(1, ref textureToDelete);
					}
					glDataNeedingToBeDeleted.RemoveAt(i);
				}
			}

#if ON_IMAGE_CHANGED_ALWAYS_CREATE_IMAGE
			if (plugin != null
				&& (imageToGetDisplayListFor.ChangedCount != plugin.imageUpdateCount
				|| plugin.glData.refreshCountCreatedOn != currentGlobalRefreshCount))
			{
				int textureToDelete = plugin.GLTextureHandle;
				if (plugin.glData.refreshCountCreatedOn == currentGlobalRefreshCount)
				{
					GL.DeleteTextures(1, ref textureToDelete);
				}
				plugin.glData.glTextureHandle = 0;
				imagesWithCacheData.Remove(imageToGetDisplayListFor.GetBuffer());
				plugin = null;
			}

			if (plugin == null)
			{
				ImageGlPlugin newPlugin = new ImageGlPlugin();
				imagesWithCacheData.Add(imageToGetDisplayListFor.GetBuffer(), newPlugin);
				newPlugin.createdWithMipMaps = createAndUseMipMaps;
				newPlugin.CreateGlDataForImage(imageToGetDisplayListFor, TextureMagFilterLinear);
				newPlugin.imageUpdateCount = imageToGetDisplayListFor.ChangedCount;
				newPlugin.glData.refreshCountCreatedOn = currentGlobalRefreshCount;
				return newPlugin;
			}
#else
            if (plugin == null)
            {
                ImageGlPlugin newPlugin = new ImageGlPlugin();
                imagesWithCacheData.Add(imageToGetDisplayListFor.GetBuffer(), newPlugin);
                newPlugin.createdWithMipMaps = createAndUseMipMaps;
                newPlugin.CreateGlDataForImage(imageToGetDisplayListFor, TextureMagFilterLinear);
                newPlugin.imageUpdateCount = imageToGetDisplayListFor.ChangedCount;
				newPlugin.refreshCountCreatedOn = currentGlobalRefreshCount;
                return newPlugin;
            }

            if(imageToGetDisplayListFor.ChangedCount != plugin.imageUpdateCount
				|| plugin.refreshCountCreatedOn != currentGlobalRefreshCount)
            {
                plugin.imageUpdateCount = imageToGetDisplayListFor.ChangedCount;
				plugin.refreshCountCreatedOn = currentGlobalRefreshCount;
                GL.BindTexture(TextureTarget.Texture2D, plugin.GLTextureHandle);
                // Create the texture
                switch (imageToGetDisplayListFor.BitDepth)
                {
                    case 8:
                        GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, imageToGetDisplayListFor.Width, imageToGetDisplayListFor.Height,
                            PixelFormat.Luminance, PixelType.UnsignedByte, imageToGetDisplayListFor.GetBuffer());
                        break;

                    case 24:
                        // our bitmaps are not padded and GL is having a problem with them so don't use 24 bit unless you fix this.
                        GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, imageToGetDisplayListFor.Width, imageToGetDisplayListFor.Height,
                            PixelFormat.Bgr, PixelType.UnsignedByte, imageToGetDisplayListFor.GetBuffer());
                        break;

                    case 32:
                        GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, imageToGetDisplayListFor.Width, imageToGetDisplayListFor.Height,
                            PixelFormat.Bgra, PixelType.UnsignedByte, imageToGetDisplayListFor.GetBuffer());
                        break;

                    default:
                        throw new NotImplementedException();
                }

                if (plugin.createdWithMipMaps)
                {
                    if (GLMajorVersion < 3)
                    {
                        switch (imageToGetDisplayListFor.BitDepth)
                        {
                            case 32:
                                {
                                    ImageBuffer sourceImage = new ImageBuffer(imageToGetDisplayListFor);
                                    ImageBuffer tempImage = new ImageBuffer(sourceImage.Width / 2, sourceImage.Height / 2, 32, new BlenderBGRA());
                                    tempImage.NewGraphics2D().Render(sourceImage, 0, 0, 0, .5, .5);
                                    int mipLevel = 1;
                                    while (sourceImage.Width > 1 && sourceImage.Height > 1)
                                    {
                                        GL.TexSubImage2D(TextureTarget.Texture2D, mipLevel++, 0, 0, tempImage.Width, tempImage.Height,
                                            PixelFormat.Bgra, PixelType.UnsignedByte, tempImage.GetBuffer());

                                        sourceImage = new ImageBuffer(tempImage);
                                        tempImage = new ImageBuffer(Math.Max(1, sourceImage.Width / 2), Math.Max(1, sourceImage.Height / 2), 32, new BlenderBGRA());
                                        tempImage.NewGraphics2D().Render(sourceImage, 0, 0,
                                            0,
                                            (double)tempImage.Width / (double)sourceImage.Width,
                                            (double)tempImage.Height / (double)sourceImage.Height);
                                    }
                                }
                                break;

                            default:
                                throw new NotImplementedException();
                        }
                    }
                    else
                    {
                        GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
                    }
                }
            }
#endif
			return plugin;
		}
コード例 #2
0
        public static ImageGlPlugin GetImageGlPlugin(ImageBuffer imageToGetDisplayListFor, bool createAndUseMipMaps, bool textureMagFilterLinear = true, bool clamp = true)
        {
            imagesWithCacheData.TryGetValue(imageToGetDisplayListFor.GetBuffer(), out ImageGlPlugin plugin);

            lock (glDataNeedingToBeDeleted)
            {
                // We run this in here to ensure that we are on the correct thread and have the correct
                // glcontext realized.
                for (int i = glDataNeedingToBeDeleted.Count - 1; i >= 0; i--)
                {
                    int textureToDelete = glDataNeedingToBeDeleted[i].glTextureHandle;
                    if (textureToDelete != -1 &&
                        glDataNeedingToBeDeleted[i].glContextId == contextId &&
                        glDataNeedingToBeDeleted[i].refreshCountCreatedOn == currentGlobalRefreshCount)                            // this is to leak on purpose on android for some gl that kills textures
                    {
                        GL.DeleteTextures(1, ref textureToDelete);
                        if (removeGlDataCallBackHolder != null)
                        {
                            removeGlDataCallBackHolder.releaseAllGlData -= glDataNeedingToBeDeleted[i].DeleteTextureData;
                        }
                    }

                    glDataNeedingToBeDeleted.RemoveAt(i);
                }
            }

            if (plugin != null &&
                (imageToGetDisplayListFor.ChangedCount != plugin.imageUpdateCount ||
                 plugin.glData.refreshCountCreatedOn != currentGlobalRefreshCount ||
                 plugin.glData.glTextureHandle == -1))
            {
                int textureToDelete = plugin.GLTextureHandle;
                if (plugin.glData.refreshCountCreatedOn == currentGlobalRefreshCount)
                {
                    GL.DeleteTextures(1, ref textureToDelete);
                }

                plugin.glData.glTextureHandle = -1;
                imagesWithCacheData.Remove(imageToGetDisplayListFor.GetBuffer());
                // use the original settings
                createAndUseMipMaps = plugin.createdWithMipMaps;
                clamp  = plugin.clamp;
                plugin = null;
            }

            if (plugin == null)
            {
                var newPlugin = new ImageGlPlugin();
                imagesWithCacheData.Add(imageToGetDisplayListFor.GetBuffer(), newPlugin);
                newPlugin.createdWithMipMaps = createAndUseMipMaps;
                newPlugin.clamp = clamp;
                newPlugin.glData.glContextId = contextId;
                newPlugin.CreateGlDataForImage(imageToGetDisplayListFor, textureMagFilterLinear);
                newPlugin.imageUpdateCount             = imageToGetDisplayListFor.ChangedCount;
                newPlugin.glData.refreshCountCreatedOn = currentGlobalRefreshCount;

                if (removeGlDataCallBackHolder != null)
                {
                    removeGlDataCallBackHolder.releaseAllGlData += newPlugin.glData.DeleteTextureData;
                }

                return(newPlugin);
            }

            return(plugin);
        }
コード例 #3
0
        static public ImageGlPlugin GetImageGlPlugin(ImageBuffer imageToGetDisplayListFor, bool createAndUseMipMaps, bool TextureMagFilterLinear = true)
        {
            ImageGlPlugin plugin;

            imagesWithCacheData.TryGetValue(imageToGetDisplayListFor.GetBuffer(), out plugin);

            using (TimedLock.Lock(glDataNeedingToBeDeleted, "GetImageGlPlugin"))
            {
                // We run this in here to ensure that we are on the correct thread and have the correct
                // glcontext realized.
                for (int i = glDataNeedingToBeDeleted.Count - 1; i >= 0; i--)
                {
                    int textureToDelete = glDataNeedingToBeDeleted[i].glTextureHandle;
                    if (glDataNeedingToBeDeleted[i].refreshCountCreatedOn == currentGlobalRefreshCount)
                    {
                        GL.DeleteTextures(1, ref textureToDelete);
                    }
                    glDataNeedingToBeDeleted.RemoveAt(i);
                }
            }

#if ON_IMAGE_CHANGED_ALWAYS_CREATE_IMAGE
            if (plugin != null &&
                (imageToGetDisplayListFor.ChangedCount != plugin.imageUpdateCount ||
                 plugin.glData.refreshCountCreatedOn != currentGlobalRefreshCount))
            {
                int textureToDelete = plugin.GLTextureHandle;
                if (plugin.glData.refreshCountCreatedOn == currentGlobalRefreshCount)
                {
                    GL.DeleteTextures(1, ref textureToDelete);
                }
                plugin.glData.glTextureHandle = 0;
                imagesWithCacheData.Remove(imageToGetDisplayListFor.GetBuffer());
                plugin = null;
            }

            if (plugin == null)
            {
                ImageGlPlugin newPlugin = new ImageGlPlugin();
                imagesWithCacheData.Add(imageToGetDisplayListFor.GetBuffer(), newPlugin);
                newPlugin.createdWithMipMaps = createAndUseMipMaps;
                newPlugin.CreateGlDataForImage(imageToGetDisplayListFor, TextureMagFilterLinear);
                newPlugin.imageUpdateCount             = imageToGetDisplayListFor.ChangedCount;
                newPlugin.glData.refreshCountCreatedOn = currentGlobalRefreshCount;
                return(newPlugin);
            }
#else
            if (plugin == null)
            {
                ImageGlPlugin newPlugin = new ImageGlPlugin();
                imagesWithCacheData.Add(imageToGetDisplayListFor.GetBuffer(), newPlugin);
                newPlugin.createdWithMipMaps = createAndUseMipMaps;
                newPlugin.CreateGlDataForImage(imageToGetDisplayListFor, TextureMagFilterLinear);
                newPlugin.imageUpdateCount      = imageToGetDisplayListFor.ChangedCount;
                newPlugin.refreshCountCreatedOn = currentGlobalRefreshCount;
                return(newPlugin);
            }

            if (imageToGetDisplayListFor.ChangedCount != plugin.imageUpdateCount ||
                plugin.refreshCountCreatedOn != currentGlobalRefreshCount)
            {
                plugin.imageUpdateCount      = imageToGetDisplayListFor.ChangedCount;
                plugin.refreshCountCreatedOn = currentGlobalRefreshCount;
                GL.BindTexture(TextureTarget.Texture2D, plugin.GLTextureHandle);
                // Create the texture
                switch (imageToGetDisplayListFor.BitDepth)
                {
                case 8:
                    GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, imageToGetDisplayListFor.Width, imageToGetDisplayListFor.Height,
                                     PixelFormat.Luminance, PixelType.UnsignedByte, imageToGetDisplayListFor.GetBuffer());
                    break;

                case 24:
                    // our bitmaps are not padded and GL is having a problem with them so don't use 24 bit unless you fix this.
                    GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, imageToGetDisplayListFor.Width, imageToGetDisplayListFor.Height,
                                     PixelFormat.Bgr, PixelType.UnsignedByte, imageToGetDisplayListFor.GetBuffer());
                    break;

                case 32:
                    GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, imageToGetDisplayListFor.Width, imageToGetDisplayListFor.Height,
                                     PixelFormat.Bgra, PixelType.UnsignedByte, imageToGetDisplayListFor.GetBuffer());
                    break;

                default:
                    throw new NotImplementedException();
                }

                if (plugin.createdWithMipMaps)
                {
                    if (GLMajorVersion < 3)
                    {
                        switch (imageToGetDisplayListFor.BitDepth)
                        {
                        case 32:
                        {
                            ImageBuffer sourceImage = new ImageBuffer(imageToGetDisplayListFor);
                            ImageBuffer tempImage   = new ImageBuffer(sourceImage.Width / 2, sourceImage.Height / 2, 32, new BlenderBGRA());
                            tempImage.NewGraphics2D().Render(sourceImage, 0, 0, 0, .5, .5);
                            int mipLevel = 1;
                            while (sourceImage.Width > 1 && sourceImage.Height > 1)
                            {
                                GL.TexSubImage2D(TextureTarget.Texture2D, mipLevel++, 0, 0, tempImage.Width, tempImage.Height,
                                                 PixelFormat.Bgra, PixelType.UnsignedByte, tempImage.GetBuffer());

                                sourceImage = new ImageBuffer(tempImage);
                                tempImage   = new ImageBuffer(Math.Max(1, sourceImage.Width / 2), Math.Max(1, sourceImage.Height / 2), 32, new BlenderBGRA());
                                tempImage.NewGraphics2D().Render(sourceImage, 0, 0,
                                                                 0,
                                                                 (double)tempImage.Width / (double)sourceImage.Width,
                                                                 (double)tempImage.Height / (double)sourceImage.Height);
                            }
                        }
                        break;

                        default:
                            throw new NotImplementedException();
                        }
                    }
                    else
                    {
                        GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
                    }
                }
            }
#endif
            return(plugin);
        }