private static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
try
{
// Now begin running the application idle loop.
GorgonApplication.Run(Initialize(), Idle);
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
}
finally
{
// Always clean up when you're done.
// Since Gorgon uses Direct 3D 11.1, which allocate objects that use native memory and COM objects, we must be careful to dispose of any objects that implement
// IDisposable. Failure to do so can lead to warnings from the Direct 3D runtime when running in DEBUG mode.
GorgonExample.UnloadResources();
_texture?.Dispose();
_constantBuffer?.Dispose();
_vertexBuffer.VertexBuffer?.Dispose();
_inputLayout?.Dispose();
_vertexShader?.Dispose();
_pixelShader?.Dispose();
_swap?.Dispose();
_graphics?.Dispose();
}
}
/// <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);
_gifAnim = new GifAnimator(SynchronizationContext.Current);
_gallery = new ImageGallery(Font, DeviceDpi, _gifAnim);
try
{
Cursor.Current = Cursors.WaitCursor;
// Load our image data.
_gallery.LoadImages(GorgonApplication.StartupPath.FullName);
// Begin our animation.
_gifAnim.Animate(() =>
{
using (System.Drawing.Graphics graphics = CreateGraphics())
{
_gallery.RefreshGif(graphics);
}
});
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Function to handle idle time for the application.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// Rotate our pyramid.
_angle += 45.0f * GorgonTiming.Delta;
if (_angle > 360.0f)
{
_angle -= 360.0f;
}
// This will allow us to animate the center point of our pyramid.
_heightOffset = _angle.ToRadians().FastSin().Abs();
// Send the animated variables to their respective shaders.
UpdatedWorldProjection();
// Clear our render target.
_swap.RenderTargetView.Clear(Color.CornflowerBlue);
_depthStencil.ClearDepth(1.0f);
_graphics.Submit(_drawCall);
GorgonExample.BlitLogo(_graphics);
// Send the contents of the swap chain buffers to the screen.
_swap.Present(1);
return(true);
}
/// <summary>
/// Function to load in the gaming device driver plug ins.
/// </summary>
/// <returns>A list of gaming device driver plug ins.</returns>
private static IReadOnlyList <IGorgonGamingDeviceDriver> GetGamingDeviceDrivers()
{
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.InputPlugInPath);
// Access our plugin cache.
_pluginCache = new GorgonMefPlugInCache(GorgonApplication.Log);
// Get the files from the plugin directory.
// The plugin directory can be changed in the configuration file
// to point at wherever you'd like. If a {0} place holder is
// in the path, it will be replaced with whatever the build
// configuration is set to (i.e. DEBUG or RELEASE).
_pluginCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.Input.*.dll");
if (_pluginCache.PlugInAssemblies.Count == 0)
{
return(Array.Empty <IGorgonGamingDeviceDriver>());
}
// Create our plugin service.
IGorgonPlugInService pluginService = new GorgonMefPlugInService(_pluginCache);
// Create our input service factory.
var factory = new GorgonGamingDeviceDriverFactory(pluginService, GorgonApplication.Log);
// Retrieve the list of driver plug ins from the input service factory.
return(factory.LoadAllDrivers());
}
/// <summary>
/// Function called during idle time.
/// </summary>
/// <returns><b>true</b> to continue execution, <b>false</b> to stop.</returns>
private bool Idle()
{
_swap.RenderTargetView.Clear(GorgonColor.White);
var windowSize = new DX.Size2F(ClientSize.Width, ClientSize.Height);
var imageSize = new DX.Size2F(_texture.Width, _texture.Height);
// Calculate the scale between the images.
var scale = new DX.Size2F(windowSize.Width / imageSize.Width, windowSize.Height / imageSize.Height);
// Only scale on a single axis if we don't have a 1:1 aspect ratio.
if (scale.Height > scale.Width)
{
scale.Height = scale.Width;
}
else
{
scale.Width = scale.Height;
}
// Scale the image.
var size = new DX.Size2((int)(scale.Width * imageSize.Width), (int)(scale.Height * imageSize.Height));
// Find the position.
var bounds = new DX.Rectangle((int)((windowSize.Width / 2) - (size.Width / 2)), (int)((windowSize.Height / 2) - (size.Height / 2)), size.Width, size.Height);
_graphics.DrawTexture(_texture, bounds);
GorgonExample.BlitLogo(_graphics);
_swap.Present(1);
return(true);
}
private static void Main()
{
try
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Initialize();
GorgonApplication.Run(_mainForm, Idle);
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
}
finally
{
GorgonExample.UnloadResources();
// Always clean up when you're done.
// Since Gorgon uses Direct 3D 11.4, we must be careful to dispose of any objects that implement IDisposable.
// Failure to do so can lead to warnings from the Direct 3D runtime when running in DEBUG mode.
_depthStencil?.Dispose();
_texture?.Dispose();
_geometryShader?.Dispose();
_pixelShader?.Dispose();
_vertexShader?.Dispose();
_bufferless?.Dispose();
_swap?.Dispose();
_graphics?.Dispose();
}
}
/// <summary>
/// Function to handle idle time for the application.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// Animate the ball.
UpdateBall();
// Clear to our gray color and clear out the depth buffer.
_swap.RenderTargetView.Clear(Color.FromArgb(173, 173, 173));
//_depthBuffer.Clear(0.0f, 0);
_depthBuffer.Clear(0.0f, 0);
// Render the back and floor planes.
// ReSharper disable once ForCanBeConvertedToForeach
for (int i = 0; i < _planes.Length; ++i)
{
RenderModel(_planes[i]);
}
// Render the ball.
_sphere.Material.Diffuse = GorgonColor.White;
RenderModel(_sphere);
// Remember the position and rotation so we can restore them later.
DX.Vector3 spherePosition = _sphere.Position;
DX.Vector3 sphereRotation = _sphere.Rotation;
// Offset the position of the ball so we can fake a shadow under the ball.
_sphere.Position = new DX.Vector3(spherePosition.X + 0.25f, spherePosition.Y - 0.125f, spherePosition.Z + 0.5f);
// Scale on the z-axis so the ball "shadow" has no real depth, and on the x & y to make it look slightly bigger.
_sphere.Scale = new DX.Vector3(1.155f, 1.155f, 0.001f);
// Reset the rotation so we don't rotate our flattened ball "shadow" (it'd look real weird if it rotated).
_sphere.Rotation = DX.Vector3.Zero;
// Render as black with alpha of 0.5 to simulate a shadow.
_sphere.Material.Diffuse = new GorgonColor(0, 0, 0, 0.5f);
// Render the shadow.
RenderModel(_sphere);
// Restore our original positioning so we can render the ball in the correct place on the next frame.
_sphere.Position = spherePosition;
// Reset scale on the z-axis so the ball so it'll be normal for the next frame.
_sphere.Scale = DX.Vector3.One;
// Reset the rotation so it'll be in the correct place on the next frame.
_sphere.Rotation = sphereRotation;
// Draw our text.
// Use this to show how incredibly slow and terrible my 3D code is.
GorgonExample.DrawStatsAndLogo(_2D);
// Now we flip our buffers.
// We need to this or we won't see anything.
_swap.Present(1);
return(true);
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.FormClosing" /> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.FormClosingEventArgs" /> that contains the event data.</param>
protected override void OnFormClosing(FormClosingEventArgs e)
{
base.OnFormClosing(e);
GorgonExample.UnloadResources();
_pluginCache?.Dispose();
_texture?.Dispose();
_swap?.Dispose();
_graphics?.Dispose();
_image?.Dispose();
}
static void Main()
{
try
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
GorgonApplication.Run(new MainForm());
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
}
}
/// <summary>
/// Function to handle idle time for the application.
/// </summary>
/// <returns><b>true</b> to continue processing, <b>false</b> to stop.</returns>
private static bool Idle()
{
// This will clear the swap chain to the specified color.
_swap.RenderTargetView.Clear(Color.CornflowerBlue);
// Draw our triangle.
_graphics.Submit(_drawCall);
GorgonExample.BlitLogo(_graphics);
// Now we flip our buffers on the swap chain.
// We need to this or we won't see anything at all except the standard window background color. Clearly, we don't want that.
// This method will take the current frame back buffer and flip it to the front buffer (the window). If we had more than one swap chain tied to multiple
// windows, then we'd need to do this for every swap chain.
_swap.Present(1);
return(true);
}
private static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
try
{
Initialize();
GorgonApplication.Run(_mainForm, Idle);
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
}
finally
{
GorgonExample.UnloadResources();
_2D.Dispose();
// Always call dispose so we can free the native memory allocated for the backing graphics API.
_sphere?.Dispose();
if (_planes != null)
{
foreach (Plane plane in _planes)
{
plane?.Dispose();
}
}
_texture?.Dispose();
_wvpBuffer?.Dispose();
_materialBuffer?.Dispose();
_vertexShader?.Dispose();
_pixelShader?.Dispose();
_inputLayout?.Dispose();
_swap?.Dispose();
_graphics?.Dispose();
}
}
/// <summary>
/// Function to initialize the GPU resource objects.
/// </summary>
private static void InitializeGpuResources()
{
_graphics = CreateGraphicsInterface();
// If we couldn't create the graphics interface, then leave.
if (_graphics == null)
{
return;
}
// Create a 1280x800 window with a depth buffer.
// We can modify the resolution in the config file for the application, but like other Gorgon examples, the default is 1280x800.
_swap = new GorgonSwapChain(_graphics,
_mainForm,
new GorgonSwapChainInfo("Main")
{
// Set up for 32 bit RGBA normalized display.
Format = BufferFormat.R8G8B8A8_UNorm,
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height
});
// Build the depth buffer for our swap chain.
BuildDepthBuffer(_swap.Width, _swap.Height);
if (!Settings.Default.IsWindowed)
{
// Get the output for the main window.
var currentScreen = Screen.FromControl(_mainForm);
IGorgonVideoOutputInfo output = _graphics.VideoAdapter.Outputs[currentScreen.DeviceName];
// If we've asked for full screen mode, then locate the correct video mode and set us up.
_selectedVideoMode = new GorgonVideoMode(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height, BufferFormat.R8G8B8A8_UNorm);
_swap.EnterFullScreen(in _selectedVideoMode, output);
}
// Handle resizing because the projection matrix and depth buffer needs to be updated to reflect the new view size.
_swap.BeforeSwapChainResized += Swap_BeforeResized;
_swap.AfterSwapChainResized += Swap_AfterResized;
// Set the current render target output so we can see something.
_graphics.SetRenderTarget(_swap.RenderTargetView, _depthBuffer);
// Create our shaders.
// Our vertex shader. This is a simple shader, it just processes a vertex by multiplying it against
// the world/view/projection matrix and spits it back out.
_vertexShader = GorgonShaderFactory.Compile <GorgonVertexShader>(_graphics, Resources.Shader, "BoingerVS");
// Our main pixel shader. This is a very simple shader, it just reads a texture and spits it back out. Has no
// diffuse capability.
_pixelShader = GorgonShaderFactory.Compile <GorgonPixelShader>(_graphics, Resources.Shader, "BoingerPS");
// Create the vertex input layout.
// We need to create a layout for our vertex type because the shader won't know how to interpret the data we're sending it otherwise.
// This is why we need a vertex shader before we even create the layout.
_inputLayout = GorgonInputLayout.CreateUsingType <BoingerVertex>(_graphics, _vertexShader);
// Resources are stored as System.Drawing.Bitmap files, so we need to convert into an IGorgonImage so we can upload it to a texture.
// We also will generate mip-map levels for this image so that scaling the texture will look better.
using (IGorgonImage image = Resources.Texture.ToGorgonImage())
{
_texture = image.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Usage = ResourceUsage.Immutable,
Name = "Texture"
})
.GetShaderResourceView();
}
// Create our constant buffer.
// Our constant buffers are how we send data to our shaders. This one in particular will be responsible for sending our world/view/projection matrix
// to the vertex shader.
_wvpBuffer = GorgonConstantBufferView.CreateConstantBuffer(_graphics,
new GorgonConstantBufferInfo("WVPBuffer")
{
Usage = ResourceUsage.Dynamic,
SizeInBytes = DX.Matrix.SizeInBytes
});
// This one will hold our material information.
_materialBuffer = GorgonConstantBufferView.CreateConstantBuffer(_graphics,
new GorgonConstantBufferInfo("MaterialBuffer")
{
Usage = ResourceUsage.Dynamic,
SizeInBytes = Unsafe.SizeOf <GorgonColor>()
});
GorgonColor defaultMaterialColor = GorgonColor.White;
_materialBuffer.Buffer.SetData(ref defaultMaterialColor);
GorgonExample.LoadResources(_graphics);
}
/// <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>
/// Function to initialize the application.
/// </summary>
/// <returns>The application window.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
// Create our form and center on the primary monitor.
FormMain window = GorgonExample.Initialize(new DX.Size2(1280, 800), "Gorgon MiniTri - Now with 100% more textures.");
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);
// Load our texture so that we can apply it to our triangle.
//
// We load this first so we can use some functionality present on the texture to calculate the texture space coordinates required to render with the texture.
_texture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\MiniTri\").FullName, "Gorgon.MiniTri.png"),
new GorgonCodecPng());
// 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)
.ShaderResource(ShaderType.Pixel, _texture)
.PipelineState(pipelineStateBuilder
.PixelShader(_pixelShader)
.VertexShader(_vertexShader)
.RasterState(GorgonRasterState.NoCulling))
.Build();
GorgonExample.LoadResources(_graphics);
return(window);
}
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>
private static void Initialize()
{
try
{
// Create our form.
_mainForm = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Boinger");
// Add a keybinding to switch to full screen or windowed.
_mainForm.KeyDown += _mainForm_KeyDown;
// Set up the swap chain, buffers, and texture(s).
InitializeGpuResources();
// Create our planes.
// Here's where we create the 2 planes for our rear wall and floor. We set the texture size to texel units because that's how the video card expects
// them. However, it's a little hard to eyeball 0.67798223f by looking at the texture image display, so we use the ToTexel function to determine our
// texel size.
DX.Size2F textureSize = _texture.ToTexel(new DX.Size2(511, 511));
// And here we set up the planes with a material, and initial positioning.
_planes = new[]
{
new Plane(_graphics, _inputLayout, new DX.Vector2(3.5f), new DX.RectangleF(0, 0, textureSize.Width, textureSize.Height))
{
Material = new Material
{
Diffuse = GorgonColor.White, Texture = _texture
},
Position = new DX.Vector3(0, 0, 3.0f)
},
new Plane(_graphics, _inputLayout, new DX.Vector2(3.5f), new DX.RectangleF(0, 0, textureSize.Width, textureSize.Height))
{
Material = new Material
{
Diffuse = GorgonColor.White, Texture = _texture
},
Position = new DX.Vector3(0, -3.5f, 3.5f),
Rotation = new DX.Vector3(90.0f, 0, 0)
}
};
// Create our sphere.
// Again, here we're using texels to align the texture coordinates to the other image packed into the texture (atlasing).
DX.Vector2 textureOffset = _texture.ToTexel(new DX.Vector2(516, 0));
// This is to scale our texture coordinates because the actual image is much smaller (255x255) than the full texture (1024x512).
textureSize = _texture.ToTexel(new DX.Size2(255, 255));
// Give the sphere a place to live.
_sphere = new Sphere(_graphics, _inputLayout, 1.0f, textureOffset, textureSize)
{
Position = new DX.Vector3(2.2f, 1.5f, 2.5f),
Material = new Material
{
Diffuse = GorgonColor.White,
Texture = _texture
}
};
// Initialize the states used to draw the objects.
InitializeStates();
// Initialize 2D rendering.
_2D = new Gorgon2D(_graphics);
// I know, there's a lot in here. Thing is, if this were Direct 3D 11 code, it'd probably MUCH
// more code and that's even before creating our planes and sphere.
}
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
{
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;
}
}