/// <summary>
/// Function to initialize the example and prepare the required components.
/// </summary>
private static void Initialize()
{
// We will need to access the graphics device in order to use compute functionality, so we'll use the first usable device in the system.
// Find out which devices we have installed in the system.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
Console.WriteLine("Enumerating video devices...");
IGorgonVideoAdapterInfo firstDevice = deviceList.FirstOrDefault(item => item.FeatureSet >= FeatureSet.Level_12_0);
// If a device with a feature set of at least 12.0 not found, then we cannot run this example. The compute engine requires a minimum
// of feature level 12.0 to run.
if (firstDevice == null)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("No Level 12.0 or better adapters found in the system. This example requires a FeatureLevel 12.0 or better adapter.");
Console.ResetColor();
return;
}
Console.WriteLine($"Using the '{firstDevice.Name}' video device.\n");
// We have to create a graphics interface to allow the compute engine to communicate with the GPU.
_graphics = new GorgonGraphics(firstDevice);
// We will also need to compile a compute shader so we can actually perform the work.
Console.WriteLine("Compiling the compute shader (SimpleCompute)...");
_computeShader = GorgonShaderFactory.Compile <GorgonComputeShader>(_graphics, Resources.ComputeShader, "SimpleCompute");
// Finally, the star of the show, the compute engine.
Console.WriteLine("Creating compute engine...");
_engine = new GorgonComputeEngine(_graphics);
}
/// <summary>
/// Function to create the primary graphics interface.
/// </summary>
/// <returns>A new graphics interface, or <b>null</b> if a suitable video device was not found on the system.</returns>
/// <remarks>
/// <para>
/// This method will create a new graphics interface for our application to use. It will select the video device with the most suitable depth buffer available, and if it cannot find a suitable
/// device, it will indicate that by returning <b>null</b>.
/// </para>
/// </remarks>
private static GorgonGraphics CreateGraphicsInterface()
{
GorgonGraphics graphics = null;
BufferFormat[] depthFormats =
{
BufferFormat.D32_Float,
BufferFormat.D32_Float_S8X24_UInt,
BufferFormat.D24_UNorm_S8_UInt,
BufferFormat.D16_UNorm
};
// Find out which devices we have installed in the system.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
if (deviceList.Count == 0)
{
GorgonDialogs.ErrorBox(_mainForm, "There are no suitable video adapters available in the system. This example is unable to continue and will now exit.");
return(null);
}
int depthFormatIndex = 0;
int selectedDeviceIndex = 0;
IGorgonVideoAdapterInfo selectedDevice = null;
_selectedVideoMode = new GorgonVideoMode(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height, BufferFormat.R8G8B8A8_UNorm);
while (selectedDeviceIndex < deviceList.Count)
{
// Reset back to a 32 bit floating point depth.
_depthFormat = depthFormats[depthFormatIndex++];
// Destroy the previous interface.
graphics?.Dispose();
// Create the main graphics interface.
graphics = new GorgonGraphics(deviceList[selectedDeviceIndex++]);
// Validate depth buffer for this device.
// Odds are good that if this fails, you should probably invest in a better video card. Preferably something created after 2005.
if (!graphics.FormatSupport[_depthFormat].IsDepthBufferFormat)
{
continue;
}
selectedDevice = graphics.VideoAdapter;
break;
}
// If, somehow, we are on a device from the dark ages, then we can't continue.
if (selectedDevice != null)
{
return(graphics);
}
GorgonDialogs.ErrorBox(_mainForm, $"The selected video device ('{deviceList[0].Name}') does not support a 32, 24 or 16 bit depth buffer.");
return(null);
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load"></see> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"></see> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
GorgonExample.ShowStatistics = false;
Cursor.Current = Cursors.WaitCursor;
try
{
Show();
Application.DoEvents();
// Initialize Gorgon
// Set it up so that we won't be rendering in the background, but allow the screensaver to activate.
IReadOnlyList <IGorgonVideoAdapterInfo> adapters = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (adapters.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"No suitable video adapter found in the system.\nGorgon requires a minimum of a Direct3D 11.4 capable video device.");
}
_graphics = new GorgonGraphics(adapters[0]);
// Set the video mode.
ClientSize = new Size(640, 400);
_screen = new GorgonSwapChain(_graphics,
this,
new GorgonSwapChainInfo("FunWithShapes SwapChain")
{
Width = ClientSize.Width,
Height = ClientSize.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_screen.AfterSwapChainResized += Screen_AfterSwapChainResized;
_graphics.SetRenderTarget(_screen.RenderTargetView);
_halfSize = new DX.Size2F(_screen.Width / 2.0f, _screen.Height / 2.0f);
// Create our 2D renderer so we can draw stuff.
_renderer = new Gorgon2D(_graphics);
LabelPleaseWait.Visible = false;
GorgonExample.LoadResources(_graphics);
// Draw the image.
DrawAPrettyPicture();
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Fonts");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Effects Example Swap Chain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
// Tell the graphics API that we want to render to the "screen" swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView);
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
// Load our logo.
GorgonExample.LoadResources(_graphics);
// We need to create a font factory so we can create/load (and cache) fonts.
_fontFactory = new GorgonFontFactory(_graphics);
// Create our fonts.
GenerateGorgonFonts(LoadTrueTypeFonts(window), window);
// Build our text sprite.
_text = new GorgonTextSprite(_fontFactory.DefaultFont, Resources.Lorem_Ipsum)
{
LineSpace = 0
};
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
FormMain window =
GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Polygonal Sprites");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Effects Example Swap Chain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
// Tell the graphics API that we want to render to the "screen" swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView);
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
_texture = GorgonTexture2DView.FromFile(_graphics,
GetResourcePath(@"Textures\PolySprites\Ship.png"),
new GorgonCodecPng(),
new GorgonTexture2DLoadOptions
{
Binding = TextureBinding.ShaderResource,
Name = "Ship Texture",
Usage = ResourceUsage.Immutable
});
GorgonExample.LoadResources(_graphics);
CreateSprites();
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
Cursor.Current = Cursors.WaitCursor;
try
{
// Find out which devices we have installed in the system.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
if (deviceList.Count == 0)
{
GorgonDialogs.ErrorBox(this, "There are no suitable video adapters available in the system. This example is unable to continue and will now exit.");
GorgonApplication.Quit();
return;
}
_graphics = new GorgonGraphics(deviceList[0]);
_renderer = new GraphicsRenderer(_graphics);
_renderer.SetPanel(PanelDisplay);
// Load the compute shader.
#if DEBUG
_sobelShader = GorgonShaderFactory.Compile <GorgonComputeShader>(_graphics, Resources.ComputeShader, "SobelCS", true);
#else
_sobelShader = GorgonShaderFactory.Compile <GorgonComputeShader>(_graphics, Resources.ComputeShader, "SobelCS");
#endif
_sobel = new Sobel(_graphics, _sobelShader);
GorgonApplication.IdleMethod = Idle;
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Post Processing");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Effects Example Swap Chain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
// Tell the graphics API that we want to render to the "screen" swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView);
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
GorgonExample.LoadResources(_graphics);
// Load the Gorgon logo to show in the lower right corner.
var ddsCodec = new GorgonCodecDds();
// Import the images we'll use in our post process chain.
if (!LoadImageFiles(ddsCodec))
{
return(window);
}
// Initialize the effects that we'll use for compositing, and the compositor itself.
InitializeEffects();
// Set up our quick and dirty GUI.
_buttons = new Button[_compositor.Passes.Count];
LayoutGUI();
// Select a random image to start
_currentImage = GorgonRandom.RandomInt32(0, _images.Length - 1);
window.KeyUp += Window_KeyUp;
window.MouseUp += Window_MouseUp;
window.MouseMove += Window_MouseMove;
window.MouseDown += Window_MouseDown;
window.IsLoaded = true;
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window.</returns>
private static FormMain Initialize()
{
// Create our form and center on the primary monitor.
FormMain window = GorgonExample.Initialize(new DX.Size2(1280, 800), "Gorgon MiniTri");
try
{
// First we create and enumerate the list of video devices installed in the computer.
// We must do this in order to tell Gorgon which video device we intend to use. Note that this method may be quite slow (particularly when running DEBUG versions of
// Direct 3D). To counter this, this object and its Enumerate method are thread safe so this can be run in the background while keeping the main UI responsive.
// Find out which devices we have installed in the system.
// If no suitable device was found (no Direct 3D 12.0 support) in the computer, this method will throw an exception. However, if it succeeds, then the devices object
// will be populated with the IGorgonVideoDeviceInfo for each video device in the system.
//
// Using this method, we could also enumerate the software rasterizer. These devices are typically used to determine if there's a driver error, and can be terribly slow to render
// It is recommended that these only be used in diagnostic scenarios only.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
if (deviceList.Count == 0)
{
throw new
NotSupportedException("There are no suitable video adapters available in the system. This example is unable to continue and will now exit.");
}
// Now we create the main graphics interface with the first applicable video device.
_graphics = new GorgonGraphics(deviceList[0]);
// Check to ensure that we can support the format required for our swap chain.
// If a video device can't support this format, then the odds are good it won't render anything. Since we're asking for a very common display format, this will
// succeed nearly 100% of the time (unless you've somehow gotten an ancient video device to work with Direct 3D 11.1). Regardless, it's good form to the check for a
// working display format prior to setting up the swap chain.
//
// This method is also used to determine if a format can be used for other objects (e.g. a texture, render target, etc...) Like the swap chain format, this is also a
// best practice to check if the object you're creating supports the desired format.
if ((_graphics.FormatSupport[BufferFormat.R8G8B8A8_UNorm].FormatSupport & BufferFormatSupport.Display) != BufferFormatSupport.Display)
{
// We should never see this unless you've performed some form of black magic.
GorgonDialogs.ErrorBox(window, "We should not see this error.");
return(window);
}
// Finally, create a swap chain to display our output.
// In this case we're setting up our swap chain to bind with our main window, and we use its client size to determine the width/height of the swap chain back buffers.
// This width/height does not need to be the same size as the window, but, except for some scenarios, that would produce undesirable image quality.
_swap = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Main Swap Chain")
{
Format = BufferFormat.R8G8B8A8_UNorm,
Width = window.ClientSize.Width,
Height = window.ClientSize.Height
})
{
DoNotAutoResizeBackBuffer = true
};
// Create the shaders used to render the triangle.
// These shaders provide transformation and coloring for the output pixel data.
CreateShaders();
// Set up our input layout.
//
// We'll be using this to describe to Direct 3D how the elements of a vertex is laid out in memory.
// In order to provide synchronization between the layout on the CPU side and the GPU side, we have to pass the vertex shader because it will contain the vertex
// layout to match with our C# input layout.
_inputLayout = GorgonInputLayout.CreateUsingType <MiniTriVertex>(_graphics, _vertexShader);
// Set up the triangle vertices.
CreateVertexBuffer();
// Set up the constant buffer.
//
// This is used (but could be used for more) to transform the vertex data from 3D space into 2D space.
CreateConstantBuffer(window);
// This defines where to send the pixel data when rendering. For now, this goes to our swap chain.
_graphics.SetRenderTarget(_swap.RenderTargetView);
// Create our draw call.
//
// This will pass all the necessary information to the GPU to render the triangle
//
// Since draw calls are immutable objects, we use builders to create them (and any pipeline state). Once a draw
// call is built, it cannot be changed (except for the vertex, and if applicable, index, and instance ranges).
//
// Builders work on a fluent interface. Much like LINQ and can be used to create multiple draw calls from the same
// builder.
var drawCallBuilder = new GorgonDrawCallBuilder();
var pipelineStateBuilder = new GorgonPipelineStateBuilder(_graphics);
_drawCall = drawCallBuilder.VertexBuffer(_inputLayout, _vertexBuffer)
.VertexRange(0, 3)
.ConstantBuffer(ShaderType.Vertex, _constantBuffer)
.PipelineState(pipelineStateBuilder
.PixelShader(_pixelShader)
.VertexShader(_vertexShader)
.RasterState(GorgonRasterState.NoCulling))
.Build();
GorgonExample.LoadResources(_graphics);
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
private static async Task InitializeAsync(FormMain window)
{
try
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.PlugInLocation);
// Load our packed file system plug in.
window.UpdateStatus("Loading plugins...");
IGorgonPlugInService plugIns = await Task.Run(() =>
{
_assemblyCache = new GorgonMefPlugInCache(GorgonApplication.Log);
_assemblyCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.FileSystem.GorPack.dll");
return(new GorgonMefPlugInService(_assemblyCache));
});
window.UpdateStatus("Initializing graphics...");
// Retrieve the list of video adapters. We can do this on a background thread because there's no interaction between other threads and the
// underlying D3D backend yet.
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = await Task.Run(() => GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log));
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Space Scene Example")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
// Create a secondary render target for our scene. We use 16 bit floating point for the effect fidelity.
// We'll lock our resolution to 1920x1080 (pretty common resolution for most people).
_mainRtv = GorgonRenderTarget2DView.CreateRenderTarget(_graphics, new GorgonTexture2DInfo("Main RTV")
{
Width = (int)_baseResolution.X,
Height = (int)_baseResolution.Y,
Format = BufferFormat.R16G16B16A16_Float,
Binding = TextureBinding.ShaderResource
});
_mainSrv = _mainRtv.GetShaderResourceView();
_mainRtvAspect = _mainRtv.Width < _mainRtv.Height ? new DX.Vector2(1, (float)_mainRtv.Height / _mainRtv.Width) : new DX.Vector2((float)_mainRtv.Width / _mainRtv.Height, 1);
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
// Set up our raw input.
_input = new GorgonRawInput(window, GorgonApplication.Log);
_keyboard = new GorgonRawKeyboard();
_keyboard.KeyUp += Keyboard_KeyUp;
_input.RegisterDevice(_keyboard);
GorgonExample.LoadResources(_graphics);
// Now for the fun stuff, load our asset resources. We can load this data by mounting a directory (which I did while developing), or use a packed file.
//
// The resource manager will hold all the data we need for the scene. Including 3D meshes, post processing effects, etc...
_resources = new ResourceManagement(_renderer, plugIns);
_resources.Load(Path.Combine(GorgonExample.GetResourcePath(@"FileSystems").FullName, "SpaceScene.gorPack"));
window.UpdateStatus("Loading resources...");
await _resources.LoadResourcesAsync();
SetupScene();
// Build up a font to use for rendering any GUI text.
_helpFont = GorgonExample.Fonts.GetFont(new GorgonFontInfo("Segoe UI", 10.0f, FontHeightMode.Points, "Segoe UI 10pt")
{
OutlineSize = 2,
Characters = (Resources.Instructions + "S:1234567890x").Distinct().ToArray(),
FontStyle = FontStyle.Bold,
AntiAliasingMode = FontAntiAliasMode.AntiAlias,
OutlineColor1 = GorgonColor.Black,
OutlineColor2 = GorgonColor.Black
});
_textSprite = new GorgonTextSprite(_helpFont)
{
Position = new DX.Vector2(0, 64),
DrawMode = TextDrawMode.OutlinedGlyphs,
Color = GorgonColor.YellowPure
};
GorgonExample.ShowStatistics = true;
// Set the idle here. We don't want to try and render until we're done loading.
GorgonApplication.IdleMethod = Idle;
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function used to initialize the application.
/// </summary>
private static void Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
// Build the form so we can actually show something.
_mainForm = GorgonExample.Initialize(new DX.Size2(1280, 800), "Geometry Shaders");
try
{
// Now we create and enumerate the list of video devices installed in the computer.
// We must do this in order to tell Gorgon which video device we intend to use. Note that this method may be quite slow (particularly when running DEBUG versions of
// Direct 3D). To counter this, this object and its Enumerate method are thread safe so this can be run in the background while keeping the main UI responsive.
//
// If no suitable device was found (no Direct 3D 11.4 support) in the computer, this method will return an empty list. However, if it succeeds, then the devices list
// will be populated with an IGorgonVideoDeviceInfo for each suitable video device in the system.
//
// Using this method, we could also enumerate the WARP software rasterizer, and/of the D3D Reference device (only if the DEBUG functionality provided by the Windows
// SDK is installed). These devices are typically used to determine if there's a driver error, and can be terribly slow to render (reference moreso than WARP). It is
// recommended that these only be used in diagnostic scenarios only.
IReadOnlyList <IGorgonVideoAdapterInfo> devices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (devices.Count == 0)
{
GorgonDialogs.ErrorBox(_mainForm, "This example requires a video adapter that supports Direct3D 11.4 or better.");
GorgonApplication.Quit();
return;
}
// Now we create the main graphics interface with the first applicable video device.
_graphics = new GorgonGraphics(devices[0], log: GorgonApplication.Log);
// Check to ensure that we can support the format required for our swap chain.
// If a video device can't support this format, then the odds are good it won't render anything. Since we're asking for a very common display format, this will
// succeed nearly 100% of the time. Regardless, it's good form to the check for a working display format prior to setting up the swap chain.
//
// This is also used to determine if a format can be used for other objects (e.g. a texture, render target, etc...) And like the swap chain format, it is also best
// practice to check if the object you're creating supports the desired format.
if (!_graphics.FormatSupport[BufferFormat.R8G8B8A8_UNorm].IsDisplayFormat)
{
// We should never see this unless you've got some very esoteric hardware.
GorgonDialogs.ErrorBox(_mainForm, "We should not see this error.");
return;
}
// Finally, create a swap chain to display our output.
// In this case we're setting up our swap chain to bind with our main window, and we use its client size to determine the width/height of the swap chain back buffers.
// This width/height does not need to be the same size as the window, but, except for some scenarios, that would produce undesirable image quality.
_swap = new GorgonSwapChain(_graphics,
_mainForm,
new GorgonSwapChainInfo("Main Swap Chain")
{
Format = BufferFormat.R8G8B8A8_UNorm, Width = _mainForm.ClientSize.Width, Height = _mainForm.ClientSize.Height
});
// Assign events so we can update our projection with our window size.
_swap.BeforeSwapChainResized += Swap_BeforeSwapChainResized;
_swap.AfterSwapChainResized += Swap_AfterSwapChainResized;
// We'll need a depth buffer for this example, or else our pyramid will look weird when rotating as back faces will appear through front faces.
// So, first we should check for support of a proper depth/stencil format. That said, if we don't have this format, then we're likely not running hardware from the last decade or more.
if (!_graphics.FormatSupport[BufferFormat.D24_UNorm_S8_UInt].IsDepthBufferFormat)
{
GorgonDialogs.ErrorBox(_mainForm, "A 24 bit depth buffer is required for this example.");
return;
}
_depthStencil = GorgonDepthStencil2DView.CreateDepthStencil(_graphics,
new GorgonTexture2DInfo
{
Format = BufferFormat.D24_UNorm_S8_UInt,
Binding = TextureBinding.DepthStencil,
Usage = ResourceUsage.Default,
Width = _swap.Width,
Height = _swap.Height
});
// Load the shaders from a file on disc.
LoadShaders();
// Load the texture.
_texture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\GeometryShader\").FullName, "GSTexture.png"),
new GorgonCodecPng());
// Create our builders so we can compose a draw call and pipeline state.
_drawCallBuilder = new GorgonDrawCallBuilder();
_pipeStateBuilder = new GorgonPipelineStateBuilder(_graphics);
// Create a constant buffer so we can adjust the positioning of the data.
DX.Matrix.PerspectiveFovLH((65.0f).ToRadians(), (float)_swap.Width / _swap.Height, 0.125f, 1000.0f, out _projection);
_vsConstants = GorgonConstantBufferView.CreateConstantBuffer(_graphics,
new GorgonConstantBufferInfo("WorldProjection CBuffer")
{
SizeInBytes = (DX.Matrix.SizeInBytes * 2) + DX.Vector4.SizeInBytes
});
_vsConstants.Buffer.SetData(ref _projection, copyMode: CopyMode.Discard);
_vsConstants.Buffer.SetData(ref _worldMatrix, 64, CopyMode.NoOverwrite);
// Create a draw call so we actually have something we can draw.
_drawCall = _drawCallBuilder.VertexRange(0, 3)
.PipelineState(_pipeStateBuilder.PixelShader(_pixelShader)
.VertexShader(_bufferless)
.GeometryShader(_geometryShader)
.DepthStencilState(GorgonDepthStencilState.DepthEnabled))
.ShaderResource(ShaderType.Pixel, _texture)
.ConstantBuffer(ShaderType.Vertex, _vsConstants)
.ConstantBuffer(ShaderType.Geometry, _vsConstants)
.Build();
// Finally set our swap chain as the active rendering target and the depth/stencil buffer.
_graphics.SetRenderTarget(_swap.RenderTargetView, _depthStencil);
GorgonExample.LoadResources(_graphics);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load"></see> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"></see> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.PlugInLocation);
// Load the assembly.
_assemblyCache = new GorgonMefPlugInCache(GorgonApplication.Log);
// Create the plugin service.
IGorgonPlugInService plugInService = new GorgonMefPlugInService(_assemblyCache);
// Create the factory to retrieve gaming device drivers.
var factory = new GorgonGamingDeviceDriverFactory(plugInService);
// Create the raw input interface.
_input = new GorgonRawInput(this, GorgonApplication.Log);
// Get available gaming device driver plug ins.
_assemblyCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.Input.DirectInput.dll");
_assemblyCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.Input.XInput.dll");
_drivers = factory.LoadAllDrivers();
_joystickList = new List <IGorgonGamingDevice>();
// Get all gaming devices from the drivers.
foreach (IGorgonGamingDeviceDriver driver in _drivers)
{
IReadOnlyList <IGorgonGamingDeviceInfo> infoList = driver.EnumerateGamingDevices(true);
foreach (IGorgonGamingDeviceInfo info in infoList)
{
IGorgonGamingDevice device = driver.CreateGamingDevice(info);
// Turn off dead zones for this example.
foreach (GorgonGamingDeviceAxis axis in device.Axis)
{
axis.DeadZone = GorgonRange.Empty;
}
_joystickList.Add(device);
}
}
// Create mouse.
_mouse = new GorgonRawMouse();
// Create the graphics interface.
ClientSize = Settings.Default.Resolution;
IReadOnlyList <IGorgonVideoAdapterInfo> adapters = GorgonGraphics.EnumerateAdapters();
_graphics = new GorgonGraphics(adapters[0], log: GorgonApplication.Log);
_screen = new GorgonSwapChain(_graphics, this, new GorgonSwapChainInfo("INeedYourInput Swapchain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_graphics.SetRenderTarget(_screen.RenderTargetView);
if (!Settings.Default.IsWindowed)
{
_screen.EnterFullScreen();
}
// For the backup image. Used to make it as large as the monitor that we're on.
var currentScreen = Screen.FromHandle(Handle);
// Relocate the window to the center of the screen.
Location = new Point(currentScreen.Bounds.Left + (currentScreen.WorkingArea.Width / 2) - (ClientSize.Width / 2),
currentScreen.Bounds.Top + (currentScreen.WorkingArea.Height / 2) - (ClientSize.Height / 2));
// Create the 2D renderer.
_2D = new Gorgon2D(_graphics);
// Create the text font.
var fontFactory = new GorgonFontFactory(_graphics);
_font = fontFactory.GetFont(new GorgonFontInfo("Arial", 9.0f, FontHeightMode.Points, "Arial 9pt")
{
FontStyle = FontStyle.Bold,
AntiAliasingMode = FontAntiAliasMode.AntiAlias
});
// Create text sprite.
_messageSprite = new GorgonTextSprite(_font, "Using mouse and keyboard (Windows Forms).")
{
Color = Color.Black
};
// Create a back buffer.
_backBuffer = GorgonRenderTarget2DView.CreateRenderTarget(_graphics, new GorgonTexture2DInfo("Backbuffer storage")
{
Width = _screen.Width,
Height = _screen.Height,
Format = _screen.Format
});
_backBuffer.Clear(Color.White);
_backBufferView = _backBuffer.GetShaderResourceView();
// Clear our backup image to white to match our primary screen.
using (IGorgonImage image = new GorgonImage(new GorgonImageInfo(ImageType.Image2D, _screen.Format)
{
Width = _screen.Width,
Height = _screen.Height,
Format = _screen.Format
}))
{
image.Buffers[0].Fill(0xff);
_backupImage = image.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Binding = TextureBinding.None,
Usage = ResourceUsage.Staging
});
}
// Set gorgon events.
_screen.BeforeSwapChainResized += BeforeSwapChainResized;
_screen.AfterSwapChainResized += AfterSwapChainResized;
// Enable the mouse.
Cursor = Cursors.Cross;
_mouse.MouseButtonDown += MouseInput;
_mouse.MouseMove += MouseInput;
_mouse.MouseWheelMove += (sender, args) =>
{
_radius += args.WheelDelta.Sign();
if (_radius < 2.0f)
{
_radius = 2.0f;
}
if (_radius > 10.0f)
{
_radius = 10.0f;
}
};
// Set the mouse position.
_mouse.Position = new Point(ClientSize.Width / 2, ClientSize.Height / 2);
_noBlending = _blendBuilder.BlendState(GorgonBlendState.NoBlending)
.Build();
_inverted = _blendBuilder.BlendState(GorgonBlendState.Inverted)
.Build();
// Set up blending states for our pen.
var blendStateBuilder = new GorgonBlendStateBuilder();
_currentBlend = _drawModulatedBlend = _blendBuilder.BlendState(blendStateBuilder
.ResetTo(GorgonBlendState.Default)
.DestinationBlend(alpha: Blend.One)
.Build())
.Build();
_drawAdditiveBlend = _blendBuilder.BlendState(blendStateBuilder
.ResetTo(GorgonBlendState.Additive)
.DestinationBlend(alpha: Blend.One)
.Build())
.Build();
_drawNoBlend = _blendBuilder.BlendState(blendStateBuilder
.ResetTo(GorgonBlendState.NoBlending)
.DestinationBlend(alpha: Blend.One)
.Build())
.Build();
GorgonApplication.IdleMethod = Gorgon_Idle;
}
catch (ReflectionTypeLoadException refEx)
{
string refErr = string.Join("\n", refEx.LoaderExceptions.Select(item => item.Message));
GorgonDialogs.ErrorBox(this, refErr);
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Animation");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Animation Example Swap Chain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_target = GorgonRenderTarget2DView.CreateRenderTarget(_graphics, new GorgonTexture2DInfo(_screen.RenderTargetView, "Video Target")
{
Binding = TextureBinding.ShaderResource
});
_targetView = _target.GetShaderResourceView();
_target.Clear(GorgonColor.CornFlowerBlue);
// Load our textures.
var gif = new GorgonCodecGif(decodingOptions: new GorgonGifDecodingOptions
{
ReadAllFrames = true
});
// Find out how long to display each frame for.
// We'll also convert it to milliseconds since GIF stores the delays as 1/100th of a second.
_frameDelays = gif.GetFrameDelays(Path.Combine(GorgonExample.GetResourcePath(@"\Textures\Animation\").FullName, "metal.gif"))
.Select(item => item / 100.0f).ToArray();
_metal = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"\Textures\Animation\").FullName, "metal.gif"),
gif,
new GorgonTexture2DLoadOptions
{
Name = @"Metal \m/",
Usage = ResourceUsage.Immutable,
Binding = TextureBinding.ShaderResource
});
_trooper = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"\Textures\Animation\").FullName, "trooper.png"),
new GorgonCodecPng(),
new GorgonTexture2DLoadOptions
{
Name = "Trooper",
Usage = ResourceUsage.Immutable,
Binding = TextureBinding.ShaderResource
});
GorgonExample.LoadResources(_graphics);
_renderer = new Gorgon2D(_graphics);
_animatedSprite = new GorgonSprite
{
Position = new DX.Vector2(_screen.Width / 2, _screen.Height / 2),
Size = new DX.Size2F(_metal.Width, _metal.Height),
Anchor = new DX.Vector2(0.5f, 0.5f)
};
MakeAn80sMusicVideo();
// We need to set up a blend state so that the alpha in the render target doesn't get overwritten.
var builder = new Gorgon2DBatchStateBuilder();
var blendBuilder = new GorgonBlendStateBuilder();
_targetBatchState = builder.BlendState(blendBuilder
.ResetTo(GorgonBlendState.Default)
.DestinationBlend(alpha: Blend.DestinationAlpha)
.Build())
.Build();
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.PlugInLocation);
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Depth");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Depth Buffer Example")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_depthBuffer = GorgonDepthStencil2DView.CreateDepthStencil(_graphics, new GorgonTexture2DInfo(_screen.RenderTargetView)
{
Binding = TextureBinding.DepthStencil,
Format = BufferFormat.D24_UNorm_S8_UInt
});
// Tell the graphics API that we want to render to the "screen" swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView, _depthBuffer);
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
GorgonExample.LoadResources(_graphics);
// Load our packed file system plug in.
_assemblyCache = new GorgonMefPlugInCache(GorgonApplication.Log);
_assemblyCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.FileSystem.GorPack.dll");
IGorgonPlugInService plugIns = new GorgonMefPlugInService(_assemblyCache);
// Load the file system containing our application data (sprites, images, etc...)
IGorgonFileSystemProviderFactory providerFactory = new GorgonFileSystemProviderFactory(plugIns, GorgonApplication.Log);
IGorgonFileSystemProvider provider = providerFactory.CreateProvider("Gorgon.IO.GorPack.GorPackProvider");
IGorgonFileSystem fileSystem = new GorgonFileSystem(provider, GorgonApplication.Log);
// We can load the editor file system directly.
// This is handy for switching a production environment where your data may be stored
// as a compressed file, and a development environment where your data consists of loose
// files.
// fileSystem.Mount(@"D:\unpak\scratch\DeepAsAPuddle.gorPack\fs\");
// For now though, we'll load the packed file.
fileSystem.Mount(Path.Combine(GorgonExample.GetResourcePath(@"FileSystems").FullName, "Depth.gorPack"));
// Get our sprites. These make up the frames of animation for our Guy.
// If and when there's an animation editor, we'll only need to create a single sprite and load the animation.
IGorgonVirtualFile[] spriteFiles = fileSystem.FindFiles("/Sprites/", "*", true).ToArray();
// Load our sprite data (any associated textures will be loaded as well).
Dictionary <string, GorgonSprite> sprites = new Dictionary <string, GorgonSprite>(StringComparer.OrdinalIgnoreCase);
for (int i = 0; i < spriteFiles.Length; i++)
{
IGorgonVirtualFile file = spriteFiles[i];
(GorgonSprite sprite, GorgonTexture2D texture) = fileSystem.LoadSprite(_renderer, file.FullPath);
// The LoadSprite extension method will automatically find and load your associated texture if you're using
// a Gorgon editor file system. So it's important that you leep track of your textures, disposing of just
// the associated GorgonTexture2DView won't cut it here, so you'll need to dispose the actual texture resource
// when you're done with it.
if (!_textures.Contains(texture))
{
_textures.Add(texture);
}
// At super duper resolution, the example graphics would be really hard to see, so we'll scale them up.
sprite.Scale = new DX.Vector2((_screen.Width / (_screen.Height / 2)) * 2.0f);
sprites[file.Name] = sprite;
}
_snowTile = sprites["Snow"];
_snowTile.Depth = 0.5f;
_icicle = sprites["Icicle"];
_icicle.Depth = 0.2f;
_guySprite = sprites["Guy_Up_0"];
_guySprite.Depth = 0.1f;
_guyPosition = new DX.Vector2(_screen.Width / 2 + _guySprite.ScaledSize.Width * 1.25f, _screen.Height / 2 + _guySprite.ScaledSize.Height);
BuildAnimations(sprites);
}
finally
{
GorgonExample.EndInit();
}
return(window);
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
Cursor.Current = Cursors.WaitCursor;
try
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
// Load the custom codec.
if (!LoadCodec())
{
GorgonDialogs.ErrorBox(this, "Unable to load the image codec plug in.");
GorgonApplication.Quit();
return;
}
// Set up the graphics interface.
// Find out which devices we have installed in the system.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
if (deviceList.Count == 0)
{
GorgonDialogs.ErrorBox(this, "There are no suitable video adapters available in the system. This example is unable to continue and will now exit.");
GorgonApplication.Quit();
return;
}
_graphics = new GorgonGraphics(deviceList[0]);
_swap = new GorgonSwapChain(_graphics,
this,
new GorgonSwapChainInfo("Codec PlugIn SwapChain")
{
Width = ClientSize.Width,
Height = ClientSize.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_graphics.SetRenderTarget(_swap.RenderTargetView);
// Load the image to use as a texture.
IGorgonImageCodec png = new GorgonCodecPng();
_image = png.LoadFromFile(Path.Combine(GorgonExample.GetResourcePath(@"Textures\CodecPlugIn\").FullName, "SourceTexture.png"));
GorgonExample.LoadResources(_graphics);
ConvertImage();
GorgonApplication.IdleMethod = Idle;
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Effects");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Effects Example Swap Chain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_screen.BeforeSwapChainResized += Screen_BeforeSwapChainResized;
_screen.AfterSwapChainResized += Screen_AfterSwapChainResized;
// Tell the graphics API that we want to render to the "screen" swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView);
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
// Create the displacement effect used for the "cloaking" effect.
_displacement = new Gorgon2DDisplacementEffect(_renderer)
{
Strength = 0
};
// Create the old film effect for that old timey look.
_oldFilm = new Gorgon2DOldFilmEffect(_renderer)
{
ScrollSpeed = 0.05f
};
// Create the gaussian blur effect for that "soft" look.
_gaussBlur = new Gorgon2DGaussBlurEffect(_renderer, 9)
{
BlurRenderTargetsSize = new DX.Size2(_screen.Width / 2, _screen.Height / 2),
BlurRadius = 1
};
// The higher # of taps on the blur shader will introduce a stutter on first render, so precache its setup data.
_gaussBlur.Precache();
// Load our texture with our space background in it.
_background = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\").FullName, "HotPocket.dds"),
new GorgonCodecDds(),
new GorgonTexture2DLoadOptions
{
Usage = ResourceUsage.Immutable,
Binding = TextureBinding.ShaderResource
});
// Load up our super space ship image.
_spaceShipTexture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\Effects\").FullName, "ship.png"),
new GorgonCodecPng(),
new GorgonTexture2DLoadOptions
{
Usage = ResourceUsage.Immutable,
Binding = TextureBinding.ShaderResource
});
_shipSprite = new GorgonSprite
{
Texture = _spaceShipTexture,
TextureRegion = new DX.RectangleF(0, 0, 1, 1),
Anchor = new DX.Vector2(0.5f, 0.5f),
Position = new DX.Vector2(_screen.Width / 2.0f, _screen.Height / 2.0f),
Size = new DX.Size2F(_spaceShipTexture.Width, _spaceShipTexture.Height)
};
BuildRenderTargets();
InitializeBackgroundTexturePositioning();
GorgonExample.LoadResources(_graphics);
window.MouseMove += Window_MouseMove;
window.MouseWheel += Window_MouseWheel;
window.KeyUp += Window_KeyUp;
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main form for the application.</returns>
private static FormMain Initialize()
{
// First, create our form.
FormMain result = GorgonExample.Initialize(new DX.Size2(640, 480), "Initialization");
try
{
result.KeyUp += MainForm_KeyUp;
// Now we create and enumerate the list of video devices installed in the computer.
// We must do this in order to tell Gorgon which video device we intend to use. Note that this method may be quite slow (particularly when running DEBUG versions of
// Direct 3D). To counter this, this object and its Enumerate method are thread safe so this can be run in the background while keeping the main UI responsive.
//
// If no suitable device was found (no Direct 3D 11.4 support) in the computer, this method will return an empty list. However, if it succeeds, then the devices list
// will be populated with an IGorgonVideoDeviceInfo for each suitable video device in the system.
//
// Using this method, we could also enumerate the WARP software rasterizer, and/of the D3D Reference device (only if the DEBUG functionality provided by the Windows
// SDK is installed). These devices are typically used to determine if there's a driver error, and can be terribly slow to render (reference moreso than WARP). It is
// recommended that these only be used in diagnostic scenarios only.
IReadOnlyList <IGorgonVideoAdapterInfo> devices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (devices.Count == 0)
{
GorgonDialogs.ErrorBox(result, "This example requires a video adapter that supports Direct3D 11.4 or better.");
return(result);
}
// Now we create the main graphics interface with the first applicable video device.
_graphics = new GorgonGraphics(devices[0], log: GorgonApplication.Log);
// Check to ensure that we can support the format required for our swap chain.
// If a video device can't support this format, then the odds are good it won't render anything. Since we're asking for a very common display format, this will
// succeed nearly 100% of the time. Regardless, it's good form to the check for a working display format prior to setting up the swap chain.
//
// This is also used to determine if a format can be used for other objects (e.g. a texture, render target, etc...) And like the swap chain format, it is also best
// practice to check if the object you're creating supports the desired format.
if (!_graphics.FormatSupport[BufferFormat.R8G8B8A8_UNorm].IsDisplayFormat)
{
// We should never see this unless you've got some very esoteric hardware.
GorgonDialogs.ErrorBox(result, "We should not see this error.");
return(result);
}
// Finally, create a swap chain to display our output.
// In this case we're setting up our swap chain to bind with our main window, and we use its client size to determine the width/height of the swap chain back buffers.
// This width/height does not need to be the same size as the window, but, except for some scenarios, that would produce undesirable image quality.
_swap = new GorgonSwapChain(_graphics,
result,
new GorgonSwapChainInfo("Main Swap Chain")
{
Format = BufferFormat.R8G8B8A8_UNorm, Width = result.ClientSize.Width, Height = result.ClientSize.Height
});
// Assign the swap chain as our default rendering surface.
_graphics.SetRenderTarget(_swap.RenderTargetView);
GorgonExample.LoadResources(_graphics);
}
finally
{
GorgonExample.EndInit();
}
return(result);
}
/// <summary>
/// Function to initialize the application.
/// </summary>
private static void Initialize()
{
GorgonExample.ShowStatistics = false;
_window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Primitives");
try
{
// Find out which devices we have installed in the system.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
if (deviceList.Count == 0)
{
throw new
NotSupportedException("There are no suitable video adapters available in the system. This example is unable to continue and will now exit.");
}
_graphics = new GorgonGraphics(deviceList[0]);
_renderer = new SimpleRenderer(_graphics);
_swapChain = new GorgonSwapChain(_graphics,
_window,
new GorgonSwapChainInfo("Swap")
{
Width = _window.ClientSize.Width,
Height = _window.ClientSize.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
BuildDepthBuffer(_swapChain.Width, _swapChain.Height);
_graphics.SetRenderTarget(_swapChain.RenderTargetView, _depthBuffer);
LoadShaders();
LoadTextures();
BuildLights();
BuildMeshes();
_renderer.Camera = _camera = new Camera
{
Fov = 75.0f,
ViewWidth = _swapChain.Width,
ViewHeight = _swapChain.Height
};
_input = new GI.GorgonRawInput(_window);
_keyboard = new GI.GorgonRawKeyboard();
_input.RegisterDevice(_keyboard);
_keyboard.KeyDown += Keyboard_KeyDown;
_window.MouseDown += Mouse_Down;
_window.MouseWheel += Mouse_Wheel;
_swapChain.BeforeSwapChainResized += (sender, args) =>
{
_graphics.SetDepthStencil(null);
};
// When we resize, update the projection and viewport to match our client size.
_swapChain.AfterSwapChainResized += (sender, args) =>
{
_camera.ViewWidth = args.Size.Width;
_camera.ViewHeight = args.Size.Height;
BuildDepthBuffer(args.Size.Width, args.Size.Height);
_graphics.SetDepthStencil(_depthBuffer);
};
_2DRenderer = new Gorgon2D(_graphics);
GorgonExample.LoadResources(_graphics);
// Create a font so we can render some text.
_font = GorgonExample.Fonts.GetFont(new GorgonFontInfo("Segoe UI", 14.0f, FontHeightMode.Points, "Segoe UI 14pt")
{
OutlineSize = 2,
OutlineColor1 = GorgonColor.Black,
OutlineColor2 = GorgonColor.Black
});
_textSprite = new GorgonTextSprite(_font)
{
DrawMode = TextDrawMode.OutlinedGlyphs
};
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function to initialize the example.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
GorgonExample.ShowStatistics = false;
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "The Shadow Gn0s");
try
{
// Create our primary graphics interface.
IReadOnlyList <IGorgonVideoAdapterInfo> adapters = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (adapters.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate, "This example requires a Direct3D 11.4 capable video card.\nThe application will now close.");
}
_graphics = new GorgonGraphics(adapters[0], log: GorgonApplication.Log);
// Create our "screen".
_screen = new GorgonSwapChain(_graphics, window, new GorgonSwapChainInfo("TheShadowGn0s Screen Swap chain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
BuildRenderTargets(new DX.Size2(_screen.Width, _screen.Height));
_backgroundTexture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\TheShadowGn0s\").FullName,
"VBBack.jpg"),
new GorgonCodecJpeg(),
new GorgonTexture2DLoadOptions
{
Name = "Background Texture",
Binding = TextureBinding.ShaderResource,
Usage = ResourceUsage.Immutable
});
// Create our 2D renderer.
_renderer = new Gorgon2D(_graphics);
_spriteTexture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\TheShadowGn0s\").FullName,
"0_HardVacuum.png"),
new GorgonCodecPng(),
new GorgonTexture2DLoadOptions
{
Name = "/Images/0_HardVacuum.png",
Binding = TextureBinding.ShaderResource,
Usage = ResourceUsage.Immutable
});
var spriteCodec = new GorgonV2SpriteCodec(_renderer);
_sprite1 = spriteCodec.FromFile(Path.Combine(GorgonExample.GetResourcePath(@"Sprites\TheShadowGn0s\").FullName, "Mother.gorSprite"));
_sprite2 = spriteCodec.FromFile(Path.Combine(GorgonExample.GetResourcePath(@"Sprites\TheShadowGn0s\").FullName, "Mother2c.gorSprite"));
_gaussBlur = new Gorgon2DGaussBlurEffect(_renderer, 9)
{
BlurRenderTargetsSize = new DX.Size2(_screen.Width / 2, _screen.Height / 2)
};
var shadowBuilder = new ShadowBuilder(_renderer, _gaussBlur, _sprite1, _sprite2);
(GorgonSprite[] shadowSprites, GorgonTexture2DView shadowTexture) = shadowBuilder.Build();
_shadowSprites = shadowSprites;
_shadowTexture = shadowTexture;
var batchStateBuilder = new Gorgon2DBatchStateBuilder();
var blendStateBuilder = new GorgonBlendStateBuilder();
_rtvBlendState = batchStateBuilder
.BlendState(blendStateBuilder
.ResetTo(GorgonBlendState.Default)
.DestinationBlend(alpha: Blend.InverseSourceAlpha))
.Build();
_sprite2.Position = new DX.Vector2((int)(_screen.Width / 2.0f), (int)(_screen.Height / 4.0f));
_sprite1.Position = new DX.Vector2((int)(_screen.Width / 4.0f), (int)(_screen.Height / 5.0f));
_bgSprite = _sprite2;
_fgSprite = _sprite1;
_screen.BeforeSwapChainResized += (sender, args) =>
{
_blurTexture?.Dispose();
_blurTarget?.Dispose();
_layer1Texture?.Dispose();
_layer1Target?.Dispose();
};
window.MouseMove += Window_MouseMove;
window.MouseUp += Window_MouseUp;
window.MouseWheel += Window_MouseWheel;
window.KeyUp += Window_KeyUp;
_screen.AfterSwapChainResized += (sender, args) => BuildRenderTargets(args.Size);
GorgonExample.LoadResources(_graphics);
_helpFont = GorgonExample.Fonts.GetFont(new GorgonFontInfo("Segoe UI", 12.0f, FontHeightMode.Points, "Segoe UI 12pt Bold, Outlined")
{
FontStyle = FontStyle.Bold,
OutlineColor2 = GorgonColor.Black,
OutlineColor1 = GorgonColor.Black,
OutlineSize = 2,
TextureWidth = 512,
TextureHeight = 256
});
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function called to initialize the application.
/// </summary>
private void Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
// Resize and center the screen.
var screen = Screen.FromHandle(Handle);
ClientSize = Settings.Default.Resolution;
Location = new Point(screen.Bounds.Left + (screen.WorkingArea.Width / 2) - (ClientSize.Width / 2),
screen.Bounds.Top + (screen.WorkingArea.Height / 2) - (ClientSize.Height / 2));
// Initialize our graphics.
IReadOnlyList <IGorgonVideoAdapterInfo> videoAdapters = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoAdapters.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoAdapters.OrderByDescending(item => item.FeatureSet).First());
// Build our "screen".
_screen = new GorgonSwapChain(_graphics,
this,
new GorgonSwapChainInfo
{
Width = ClientSize.Width,
Height = ClientSize.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
if (!Settings.Default.IsWindowed)
{
// Go full screen by using borderless windowed mode.
_screen.EnterFullScreen();
}
// Build up our 2D renderer.
_renderer = new Gorgon2D(_graphics);
// Load in the logo texture from our resources.
GorgonExample.LoadResources(_graphics);
// Create fonts.
_textFont = GorgonExample.Fonts.GetFont(new GorgonFontInfo("GiGi", 24.0f, FontHeightMode.Points, "GiGi_24pt")
{
AntiAliasingMode = FontAntiAliasMode.AntiAlias,
TextureWidth = 512,
TextureHeight = 256
});
// Use the form font for this one.
_helpFont = GorgonExample.Fonts.GetFont(new GorgonFontInfo(Font.FontFamily.Name,
Font.Size,
Font.Unit == GraphicsUnit.Pixel ? FontHeightMode.Pixels : FontHeightMode.Points,
"Form Font")
{
AntiAliasingMode = FontAntiAliasMode.AntiAlias,
FontStyle = FontStyle.Bold
});
// Create our file system and mount the resources.
_fileSystem = new GorgonFileSystem(GorgonApplication.Log);
_fileSystem.Mount(GorgonExample.GetResourcePath(@"FileSystems\FolderSystem").FullName);
// In the previous versions of Gorgon, we used to load the image first, and then the sprites.
// But in this version, we have an extension that will load the sprite textures for us.
_sprites = new GorgonSprite[3];
// The sprites are in the v2 format.
IEnumerable <IGorgonSpriteCodec> v2Codec = new[] { new GorgonV2SpriteCodec(_renderer) };
IEnumerable <IGorgonImageCodec> pngCodec = new[] { new GorgonCodecPng() };
_sprites[0] = _fileSystem.LoadSpriteFromFileSystem(_renderer, "/Sprites/base.gorSprite", spriteCodecs: v2Codec, imageCodecs: pngCodec);
_sprites[1] = _fileSystem.LoadSpriteFromFileSystem(_renderer, "/Sprites/Mother.gorSprite", spriteCodecs: v2Codec, imageCodecs: pngCodec);
_sprites[2] = _fileSystem.LoadSpriteFromFileSystem(_renderer, "/Sprites/Mother2c.gorSprite", spriteCodecs: v2Codec, imageCodecs: pngCodec);
// This is how you would get the sprites in v2 of Gorgon:
/*_spriteImage = _graphics.Textures.FromMemory<GorgonTexture2D>("0_HardVacuum", LoadFile("/Images/0_HardVacuum.png"), new GorgonCodecPNG());
*
* // Get the sprites.
* // The sprites in the file system are from version 1.0 of Gorgon.
* // This version is backwards compatible and can load any version
* // of the sprites produced by older versions of Gorgon.
* _sprites = new GorgonSprite[3];
* _sprites[0] = _renderer.Renderables.FromMemory<GorgonSprite>("Base", LoadFile("/Sprites/base.gorSprite"));
* _sprites[1] = _renderer.Renderables.FromMemory<GorgonSprite>("Mother", LoadFile("/Sprites/Mother.gorSprite"));
* _sprites[2] = _renderer.Renderables.FromMemory<GorgonSprite>("Mother2c", LoadFile("/Sprites/Mother2c.gorSprite"));
*/
// Get poetry.
_textPosition = new DX.Vector2(0, ClientSize.Height + _textFont.LineHeight);
_poetry = new GorgonTextSprite(_textFont, Encoding.UTF8.GetString(LoadFile("/SomeText.txt")))
{
Position = _textPosition,
Color = Color.Black
};
// Set up help text.
_helpText = new GorgonTextSprite(_helpFont, "F1 - Show/hide this help text.\nS - Show frame statistics.\nESC - Exit.")
{
Color = Color.Blue,
Position = new DX.Vector2(3, 3)
};
// Unlike the old example, we'll blend to render targets, ping-ponging back and forth, for a much better quality image and smoother transition.
_blurEffect = new Gorgon2DGaussBlurEffect(_renderer, 3)
{
BlurRenderTargetsSize = new DX.Size2((int)_sprites[2].Size.Width * 2, (int)_sprites[2].Size.Height * 2),
PreserveAlpha = false
};
_blurEffect.Precache();
_blurredTarget[0] = GorgonRenderTarget2DView.CreateRenderTarget(_graphics, new GorgonTexture2DInfo("Blurred RTV")
{
Width = _blurEffect.BlurRenderTargetsSize.Width,
Height = _blurEffect.BlurRenderTargetsSize.Height,
Binding = TextureBinding.ShaderResource,
Format = BufferFormat.R8G8B8A8_UNorm,
Usage = ResourceUsage.Default
});
_blurredTarget[1] = GorgonRenderTarget2DView.CreateRenderTarget(_graphics, _blurredTarget[0]);
_blurredImage[0] = _blurredTarget[0].GetShaderResourceView();
_blurredImage[1] = _blurredTarget[1].GetShaderResourceView();
GorgonApplication.IdleMethod = Idle;
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Lights");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Effects Example Swap Chain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_screen.BeforeSwapChainResized += Screen_BeforeSwapChainResized;
_screen.AfterSwapChainResized += Screen_AfterSwapChainResized;
// Tell the graphics API that we want to render to the "screen" swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView);
// Load in our texture for our logo background.
_backgroundLogoTexture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\Lights\").FullName, "lights.dds"),
new GorgonCodecDds(),
new GorgonTexture2DLoadOptions
{
Usage = ResourceUsage.Immutable,
Binding = TextureBinding.ShaderResource,
Name = "Logo"
});
_torchTexture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\Lights\").FullName, "Torch.png"),
new GorgonCodecPng(),
new GorgonTexture2DLoadOptions
{
Usage = ResourceUsage.Immutable,
Binding = TextureBinding.ShaderResource,
Name = "Torch"
});
UpdateRenderTarget();
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
_logoSprite = new GorgonSprite
{
Texture = _backgroundLogoTexture,
Bounds = new DX.RectangleF(0, 0, _backgroundLogoTexture.Width, _backgroundLogoTexture.Height),
TextureRegion = new DX.RectangleF(0, 0, 1, 1),
Anchor = new DX.Vector2(0.5f, 0.5f)
};
_torchSprite = new GorgonSprite
{
Texture = _torchTexture,
Bounds = new DX.RectangleF(0, 0, 55, _torchTexture.Height),
TextureRegion = _torchTexture.Texture.ToTexel(new DX.Rectangle(0, 0, 55, _torchTexture.Height)),
};
// Create the effect that will light up our sprite(s).
_lightEffect = new Gorgon2DDeferredLightingEffect(_renderer)
{
FlipYNormal = true // Need this to be true because CrazyBump exported the normal map with Y inverted.
};
_lightEffect.Lights.Add(new Gorgon2DLight
{
Color = new GorgonColor(0.25f, 0.25f, 0.25f),
Attenuation = 75,
LightType = LightType.Point,
SpecularEnabled = true,
SpecularPower = 6.0f,
Position = new DX.Vector3((_screen.Width / 2.0f) - 150.0f, (_screen.Height / 2.0f) - 150.0f, -50)
});
_lightEffect.Lights.Add(new Gorgon2DLight
{
Color = GorgonColor.White,
Intensity = 0.075f,
LightType = LightType.Directional,
SpecularEnabled = false,
Position = new DX.Vector3(0, 0, -200),
LightDirection = new DX.Vector3(0, 0, 1)
});
GorgonExample.LoadResources(_graphics);
window.MouseMove += Window_MouseMove;
window.KeyDown += Window_KeyDown;
_torchFrameTime = new GorgonTimerQpc();
return(window);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Function to initialize the example.
/// </summary>
private void Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
IReadOnlyList <IGorgonVideoAdapterInfo> adapters = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (adapters.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate, "This example requires a Direct3D 11.4 capable video card.\nThe application will now close.");
}
_graphics = new GorgonGraphics(adapters[0]);
_leftPanel = new GorgonSwapChain(_graphics,
GroupControl1,
new GorgonSwapChainInfo("Left Panel SwapChain")
{
Width = GroupControl1.ClientSize.Width,
Height = GroupControl1.ClientSize.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_rightPanel = new GorgonSwapChain(_graphics,
GroupControl2,
new GorgonSwapChainInfo(_leftPanel, "Right Panel SwapChain")
{
Width = GroupControl2.ClientSize.Width,
Height = GroupControl2.ClientSize.Height
});
_renderer = new Gorgon2D(_graphics);
_fontFactory = new GorgonFontFactory(_graphics);
_appFont = _fontFactory.GetFont(new GorgonFontInfo(Font.FontFamily.Name, Font.Size * 1.33333f, FontHeightMode.Points, "Form Font")
{
Characters = "SpdtoxDrag me!\u2190:1234567890.",
TextureWidth = 128,
TextureHeight = 128,
OutlineSize = 2,
FontStyle = FontStyle.Bold,
OutlineColor1 = GorgonColor.Black,
OutlineColor2 = GorgonColor.Black
});
_torusTexture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\GiveMeSomeControl\").FullName, "Torus.png"),
new GorgonCodecPng(),
new GorgonTexture2DLoadOptions
{
Binding = TextureBinding.ShaderResource,
Name = "Torus Animation Sheet",
Usage = ResourceUsage.Immutable
});
_torusLeft = new GorgonSprite
{
Anchor = new DX.Vector2(0.5f, 0.5f), Size = new DX.Size2F(64, 64),
TextureSampler = GorgonSamplerState.PointFiltering
};
_torusRight = new GorgonSprite
{
Anchor = new DX.Vector2(0.5f, 0.5f), Size = new DX.Size2F(64, 64),
TextureSampler = GorgonSamplerState.PointFiltering
};
BuildAnimation();
GorgonExample.LoadResources(_graphics);
}
/// <summary>
/// Function to initialize the application.
/// </summary>
private static void Initialize()
{
GorgonExample.ShowStatistics = false;
_window = GorgonExample.Initialize(new DX.Size2(Settings.Default.ScreenWidth, Settings.Default.ScreenHeight), "Balls");
try
{
// Create the graphics interface.
IReadOnlyList <IGorgonVideoAdapterInfo> adapters = GorgonGraphics.EnumerateAdapters();
if (adapters.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(adapters.OrderByDescending(item => item.FeatureSet).First());
// Create the primary swap chain.
_mainScreen = new GorgonSwapChain(_graphics,
_window,
new GorgonSwapChainInfo("Main Screen")
{
Width = Settings.Default.ScreenWidth,
Height = Settings.Default.ScreenHeight,
Format = BufferFormat.R8G8B8A8_UNorm
});
// Center the display.
if (_mainScreen.IsWindowed)
{
_window.Location =
new Point((Screen.PrimaryScreen.Bounds.Width / 2) - (_window.Width / 2) + Screen.PrimaryScreen.Bounds.Left,
(Screen.PrimaryScreen.Bounds.Height / 2) - (_window.Height / 2) + Screen.PrimaryScreen.Bounds.Top);
}
// Load the ball texture.
_ballTexture = GorgonTexture2DView.FromFile(_graphics,
GetResourcePath(@"Textures\Balls\BallsTexture.dds"),
new GorgonCodecDds(),
new GorgonTexture2DLoadOptions
{
Usage = ResourceUsage.Immutable,
Name = "Ball Texture"
});
// Create the 2D interface.
_2D = new Gorgon2D(_graphics);
// Create the wall sprite.
_wall = new GorgonSprite
{
Size = new DX.Size2F(63, 63),
Texture = _ballTexture,
TextureRegion = new DX.RectangleF(0, 0, 0.5f, 0.5f)
};
// Create the ball sprite.
_ball = new GorgonSprite
{
Size = new DX.Size2F(64, 64),
Texture = _ballTexture,
TextureRegion = new DX.RectangleF(0, 0, 0.5f, 0.5f),
Anchor = new DX.Vector2(0.5f, 0.5f)
};
// Create the ball render target.
_ballTarget = GorgonRenderTarget2DView.CreateRenderTarget(_graphics,
new GorgonTexture2DInfo("Ball Target")
{
Width = Settings.Default.ScreenWidth,
Height = Settings.Default.ScreenHeight,
Format = BufferFormat.R8G8B8A8_UNorm
});
_ballTargetView = _ballTarget.GetShaderResourceView();
// Create our blur effect.
_blur = new Gorgon2DGaussBlurEffect(_2D, 15)
{
BlurRenderTargetsSize = new DX.Size2(512, 512),
BlurRadius = 0
};
_mainScreen.BeforeSwapChainResized += (sender, args) =>
{
_ballTargetView.Dispose();
_ballTarget.Dispose();
};
// Ensure that our secondary camera gets updated.
_mainScreen.AfterSwapChainResized += (sender, args) =>
{
// Fix any objects caught outside of the main target.
for (int i = 0; i < _ballCount; i++)
{
_ballList[i].Position.X = _ballList[i].Position.X.Max(0).Min(args.Size.Width);
_ballList[i].Position.Y = _ballList[i].Position.Y.Max(0).Min(args.Size.Height);
}
_ballTarget = GorgonRenderTarget2DView.CreateRenderTarget(_graphics,
new GorgonTexture2DInfo("Ball Target")
{
Width = args.Size.Width,
Height = args.Size.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_ballTargetView = _ballTarget.GetShaderResourceView();
DX.Size2 newTargetSize;
newTargetSize.Width =
(int)((512.0f * (args.Size.Width / (float)Settings.Default.ScreenWidth)).Min(512));
newTargetSize.Height =
(int)((512.0f * (args.Size.Height / (float)Settings.Default.ScreenHeight)).Min(512));
_blur.BlurRenderTargetsSize = newTargetSize;
};
// Generate the ball list.
GenerateBalls(Settings.Default.BallCount);
// Assign event handlers.
_window.KeyDown += Form_KeyDown;
var stateBuilder = new Gorgon2DBatchStateBuilder();
var blendStateBuilder = new GorgonBlendStateBuilder();
_blurBlend = stateBuilder.BlendState(blendStateBuilder.ResetTo(GorgonBlendState.Default)
.SourceBlend(alpha: Blend.InverseDestinationAlpha)
.DestinationBlend(alpha: Blend.One)
.Build())
.Build();
GorgonExample.LoadResources(_graphics);
_ballFont = GorgonExample.Fonts.GetFont(new GorgonFontInfo("Arial", 9.0f, FontHeightMode.Points, "Arial 9pt Bold")
{
FontStyle = FontStyle.Bold,
Characters = " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890()_.-+:\u2191\u2193",
OutlineSize = 1,
OutlineColor1 = GorgonColor.Black,
OutlineColor2 = GorgonColor.Black
});
// Statistics text buffer.
_fpsText = new StringBuilder(64);
// Create statistics render target.
_statsTexture = GorgonTexture2DView.CreateTexture(_graphics,
new GorgonTexture2DInfo("Stats Render Target")
{
Width = (int)_ballFont
.MeasureText(string.Format(Resources.FPSLine,
999999,
999999.999,
_ballCount,
9999),
true).Width,
Height = (int)((_ballFont.FontHeight * 4) + _ballFont.Descent),
Format = BufferFormat.R8G8B8A8_UNorm,
Binding = TextureBinding.RenderTarget
});
using (GorgonRenderTarget2DView rtv = _statsTexture.Texture.GetRenderTargetView())
{
// Draw our stats window frame.
rtv.Clear(new GorgonColor(0, 0, 0, 0.5f));
_graphics.SetRenderTarget(rtv);
_2D.Begin();
_2D.DrawRectangle(new DX.RectangleF(0, 0, rtv.Width, rtv.Height), new GorgonColor(0.86667f, 0.84314f, 0.7451f, 1.0f));
_2D.End();
}
_helpTextSprite = new GorgonTextSprite(_ballFont,
string.Format(Resources.HelpText,
_graphics.VideoAdapter.Name,
_graphics.VideoAdapter.FeatureSet,
_graphics.VideoAdapter.Memory.Video.FormatMemory()))
{
Color = Color.Yellow,
Position = new DX.Vector2(3, (_statsTexture.Height + 8.0f).FastFloor()),
DrawMode = TextDrawMode.OutlinedGlyphs
};
// Set our main render target.
_graphics.SetRenderTarget(_mainScreen.RenderTargetView);
}
finally
{
GorgonExample.EndInit();
}
}