public static bool Downsample(RenderTexture renderTexture, int steps, ref RenderTexture temporary) { if (steps > 0 && renderTexture != null) { // Perform initial downsample to get buffer var oldActive = RenderTexture.active; var desc = new RenderTextureDescriptor(renderTexture.width / 2, renderTexture.height / 2, renderTexture.format, 0); var halfRenderTexture = GetRenderTexture(desc); P3dCommandReplace.BlitFast(halfRenderTexture, renderTexture, Color.white, Vector4.one); // Ping pong downsamples for (var i = 1; i < steps; i++) { desc.width /= 2; desc.height /= 2; renderTexture = halfRenderTexture; halfRenderTexture = GetRenderTexture(desc); Graphics.Blit(renderTexture, halfRenderTexture); ReleaseRenderTexture(renderTexture); } temporary = halfRenderTexture; RenderTexture.active = oldActive; return(true); } return(false); }
private void ExecuteCommands(List <P3dCommand> commands, bool sendNotifications, ref RenderTexture main, ref RenderTexture swap, ref Mesh preparedMesh, ref Matrix4x4 preparedMatrix) { if (swap == null) { swap = P3dHelper.GetRenderTexture(main); } if (keepUnpaintable == true) { P3dCommandReplace.BlitFast(swap, current, Color.white); } RenderTexture.active = main; for (var i = 0; i < commands.Count; i++) { var command = commands[i]; if (command.Model != null) { RenderTexture.active = swap; command.Apply(main); if (command.RequireMesh == true) { command.Model.GetPrepared(ref preparedMesh, ref preparedMatrix); P3dHelper.Draw(command.Material, preparedMesh, preparedMatrix, command.Submesh, coord); } else { P3dHelper.Draw(command.Material); } P3dHelper.Swap(ref main, ref swap); } command.Pool(); } commands.Clear(); if (main.useMipMap == true) { main.GenerateMips(); } if (sendNotifications == true) { NotifyOnModified(commands == previewCommands); } }
private void Render(P3dCommand command, P3dScene.Mat mat, P3dScene.Image image, P3dScene.Obj obj, int subMesh) { var oldActive = RenderTexture.active; if (image.Current == null) { if (image.Width > 0 && image.Height > 0 && image.Pixels != null && image.Pixels.Length > 0) { var texture = new Texture2D(1, 1); if (texture.LoadImage(image.Pixels) == true) { var desc = mat.Desc; desc.width = image.Width; desc.height = image.Height; image.Current = P3dHelper.GetRenderTexture(mat.Desc); P3dCommandReplace.BlitFast(image.Current, texture, Color.white); } else { image.Current = P3dHelper.GetRenderTexture(mat.Desc); P3dCommandReplace.BlitFast(image.Current, default(Texture), default(Color)); } DestroyImmediate(texture); } else { image.Current = P3dHelper.GetRenderTexture(mat.Desc); P3dCommandReplace.BlitFast(image.Current, default(Texture), default(Color)); } } var swap = P3dHelper.GetRenderTexture(image.Current.descriptor, image.Current); if (command.Preview == true) { if (image.Preview == null) { image.Preview = P3dHelper.GetRenderTexture(image.Current.descriptor, image.Current); P3dCommandReplace.BlitFast(image.Preview, image.Current, Color.white); } P3dCommandReplace.BlitFast(swap, image.Preview, Color.white); command.Apply(image.Preview); } else { P3dCommandReplace.BlitFast(swap, image.Current, Color.white); command.Apply(image.Current); } RenderTexture.active = swap; if (command.RequireMesh == true) { P3dHelper.Draw(command.Material, obj.FinalMesh, obj.Matrix, subMesh, obj.Coord); } else { P3dHelper.Draw(command.Material); } RenderTexture.active = oldActive; if (command.Preview == true) { P3dHelper.ReleaseRenderTexture(image.Preview); image.Preview = swap; previewDrawn = true; } else { P3dHelper.ReleaseRenderTexture(image.Current); image.Current = swap; } paintedGroups.Add(command.Priority); // Group is stored in priority }