public GraphicsDevice(Game game, OpenTK.Graphics.IGraphicsContext context)
{
this.context = context;
this.game = game;
#if DEBUG
int count;
GL.GetInteger(GetPName.NumExtensions, out count);
for (int i = 0; i < count; i++)
{
string extension = GL.GetString(StringNameIndexed.Extensions, i);
extensions.Add(extension, true);
}
if (extensions.ContainsKey("GL_ARB_debug_output"))
{
this.context.ErrorChecking = true;
//GL.Enable(EnableCap.DebugOutput);
//GL.Enable(EnableCap.DebugOutputSynchronous);
//GL.DebugMessageCallback(DebugCallbackInstance, IntPtr.Zero);
}
#endif
Textures = new TextureCollection();
CheckError();
//TODO: samplerstate
}
/// <summary>
/// Dispose of current Window.
/// </summary>
/// <param name="disposing">If <c>false</c> we are being called from the Finalizer.</param>
protected virtual void Dispose(bool disposing)
{
if (SdlHandle != IntPtr.Zero)
{
if (disposing)
{
// Dispose managed state (managed objects).
Disposed?.Invoke(this, EventArgs.Empty);
Application.UnregisterWindow(this);
}
#if STRIDE_GRAPHICS_API_OPENGL
// Dispose OpenGL context
DummyGLContext?.Dispose();
DummyGLContext = null;
if (glContext != IntPtr.Zero)
{
SDL.SDL_GL_DeleteContext(glContext);
glContext = IntPtr.Zero;
}
#endif
// Free unmanaged resources (unmanaged objects) and override a finalizer below.
SDL.SDL_DestroyWindow(SdlHandle);
SdlHandle = IntPtr.Zero;
Handle = IntPtr.Zero;
}
}
public ShaderProgram(string vertexFile, string fragmentFile, OpenTK.Graphics.IGraphicsContext context)
{
m_context = context;
System.Diagnostics.Debug.Assert(m_context.IsCurrent);
vp = AddShaderProgram(File.ReadAllText(vertexFile), ShaderType.VertexShader);
fp = AddShaderProgram(File.ReadAllText(fragmentFile), ShaderType.FragmentShader);
}
public static void Init(OpenTK.Graphics.IGraphicsContext context, OpenTK.Platform.IWindowInfo wininf)
{
Graphics.context = context;
Graphics.windowInfo = wininf;
init = true;
}
public OpenTK_RenderElements(OTK.Graphics.IGraphicsContext gc, int fd, int td, int fw, int tw)
{
graphicsContext = gc;
FBO_Draw = fd;
FBO_Window = fw;
T2D_Draw = td;
T2D_Window = tw;
renderData = new RenderData();
}
protected void Render(IGraphicsContext context, PrimitiveType mode, Subset subset)
{
GL.BindBuffer(BufferTarget.ArrayBuffer, _array);
var stride = Specification.Stride;
for (var j = 0; j < Specification.Indices.Count; j++)
{
var ai = Specification.Indices[j];
GL.EnableVertexAttribArray(j);
GL.VertexAttribPointer(j, ai.Length, ai.Type, false, stride, ai.Offset);
}
GL.BindBuffer(BufferTarget.ElementArrayBuffer, _elementArray);
GL.DrawElements(mode, subset.Count, DrawElementsType.UnsignedInt, subset.Start * sizeof(uint));
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
}
private void ConstructContext()
{
OpenTK.Graphics.GraphicsContextFlags flags = OpenTK.Graphics.GraphicsContextFlags.Default;
int major = 1;
int minor = 0;
OpenTK.Platform.IWindowInfo windowInfo = Window.window.WindowInfo;
if (System.Environment.OSVersion.Platform == PlatformID.Win32NT ||
System.Environment.OSVersion.Platform == PlatformID.Win32S ||
System.Environment.OSVersion.Platform == PlatformID.Win32Windows ||
System.Environment.OSVersion.Platform == PlatformID.WinCE)
{
major = 4;
minor = 4;
}
if (this.Context == null || this.Context.IsDisposed)
{
OpenTK.Graphics.ColorFormat colorFormat = new OpenTK.Graphics.ColorFormat(8, 8, 8, 8);
int depth = 24;//TODO: wth?
int stencil = 8;
int samples = 4;
OpenTK.Graphics.GraphicsMode mode = new OpenTK.Graphics.GraphicsMode(colorFormat, depth, stencil, samples);
try
{
this.Context = new OpenTK.Graphics.GraphicsContext(mode, windowInfo, major, minor, flags);
//this.Context = Window.Context;
}
catch (Exception ex)
{
mode = OpenTK.Graphics.GraphicsMode.Default;
major = 1;
minor = 0;
flags = OpenTK.Graphics.GraphicsContextFlags.Default;
this.Context = new OpenTK.Graphics.GraphicsContext(mode, windowInfo, major, minor, flags);
}
}
this.Context.MakeCurrent(windowInfo);
(this.Context as OpenTK.Graphics.IGraphicsContextInternal).LoadAll();
ThreadingHelper.Initialize(windowInfo, major, minor, contextFlags);
this.Context.MakeCurrent(windowInfo);
}
abstract public FractalEngine CreateFractalEngine(OpenTK.Graphics.IGraphicsContext graphicsContext);
/// <summary>
/// Dispose of current Window.
/// </summary>
/// <param name="disposing">If <c>false</c> we are being called from the Finalizer.</param>
protected virtual void Dispose(bool disposing)
{
if (SdlHandle != IntPtr.Zero)
{
if (disposing)
{
// Dispose managed state (managed objects).
Disposed?.Invoke(this, EventArgs.Empty);
Application.UnregisterWindow(this);
}
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGL
// Dispose OpenGL context
DummyGLContext?.Dispose();
DummyGLContext = null;
if (glContext != IntPtr.Zero)
{
SDL.SDL_GL_DeleteContext(glContext);
glContext = IntPtr.Zero;
}
#endif
// Free unmanaged resources (unmanaged objects) and override a finalizer below.
SDL.SDL_DestroyWindow(SdlHandle);
SdlHandle = IntPtr.Zero;
Handle = IntPtr.Zero;
}
}
public void Init(int w, int h, OpenTK.Graphics.IGraphicsContext context)
{
Width = w;
Height = h;
int temp = -99;
GL.GetInteger(GetPName.DrawBuffer, out temp);
//setup
GL.GenTextures(1, out textureColor);
GL.BindTexture(TextureTarget.Texture2D, textureColor);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.R32f, Width, Height, 0, PixelFormat.Red, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.GenTextures(1, out textureHandle0);
GL.BindTexture(TextureTarget.Texture2D, textureHandle0);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.R32f, Width, Height, 0, PixelFormat.Red, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.GenTextures(1, out textureHandle1);
GL.BindTexture(TextureTarget.Texture2D, textureHandle1);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.R32f, Width, Height, 0, PixelFormat.Red, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.GenTextures(1, out textureHandleRGB);
GL.BindTexture(TextureTarget.Texture2D, textureHandleRGB);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba32f, Width, Height, 0, PixelFormat.Rgba, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.GenTextures(1, out textureDist0);
GL.BindTexture(TextureTarget.Texture2D, textureDist0);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba32f, Width, Height, 0, PixelFormat.Rgba, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.GenTextures(1, out textureDist1);
GL.BindTexture(TextureTarget.Texture2D, textureDist1);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba32f, Width, Height, 0, PixelFormat.Rgba, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
GL.BindTexture(TextureTarget.Texture2D, 0);
string version = GL.GetString(StringName.Version);
GL.GenFramebuffers(1, out fboHandle);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fboHandle);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, textureHandle0, 0);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.ActiveTexture(TextureUnit.Texture0);
temp = -99;
GL.GetInteger(GetPName.DrawBuffer, out temp);
blurProgram = new ShaderProgram("Opengl\\blur.vert", "Opengl\\blur.frag", context);
blurProgram.Link();
coloring = new ShaderProgram("Opengl\\blur.vert", "Opengl\\color.frag", context);
coloring.Link();
JFA = new ShaderProgram("Opengl\\blur.vert", "Opengl\\jfa.frag", context);
JFA.Link();
System.GC.Collect();
BlurData = new float[Width * Height];
ColorData = new float[Width * Height];
DistData = new float[Width * Height];
}
public override FractalEngine CreateFractalEngine(OpenTK.Graphics.IGraphicsContext graphicsContext)
{
return(new OpenCLFractalEngine(graphicsContext, this.platform, this.device));
}
public override FractalEngine CreateFractalEngine(OpenTK.Graphics.IGraphicsContext graphicsContext)
{
return(new CudaFractalEngine(this.device));
}
internal OpenCLFractalEngine(OpenTK.Graphics.IGraphicsContext graphicsContext, Platform platform, Device device)
{
if (graphicsContext == null || !(graphicsContext is OpenTK.Graphics.IGraphicsContextInternal))
{
throw new ArgumentException("Invalid graphics context for OpenCLFractalEngine.", "graphicsContext");
}
if (platform == null)
{
throw new ArgumentException("Invalid platform for OpenCLFractalEngine", "platform");
}
if (device == null)
{
throw new ArgumentException("Invalid device for OpenCLFractalEngine", "device");
}
this.platform = platform;
this.device = device;
useLowProfile = !device.ImageSupport;
IntPtr curDC = wglGetCurrentDC();
OpenTK.Graphics.IGraphicsContextInternal gCtx = (OpenTK.Graphics.IGraphicsContextInternal)graphicsContext;
context = OpenCL.Context.Create(new Device[] { device },
new ContextParam(ContextProperties.Platform, platform),
new ContextParam(ContextProperties.GlContext, gCtx.Context.Handle),
new ContextParam(ContextProperties.WglHdc, curDC));
iterBlockCount = Util.Clamp((int)device.MaxComputeUnits * 2, 2, 64);
string source = null;
if (useLowProfile)
{
source = Kernels.KernelResources.kernels_low_cl;
}
else
{
source = Kernels.KernelResources.kernels_cl;
}
string opts = "";
try{
program = OpenCL.Program.CreateFromSource(context, new string[] { source });
program.Build(new Device[] { device }, opts);
}
catch (OpenCLCallFailedException ex)
{
if (ex.ErrorCode == OpenCL.ErrorCode.BuildProgramFailure)
{
ex.Data.Add("build_log", program.GetBuildLog(device));
}
throw ex;
}
initIteratorsKernel = Kernel.Create(program, "init_iterators_kernel");
resetIteratorsKernel = Kernel.Create(program, "reset_iterators_kernel");
iterateKernel = Kernel.Create(program, "iterate_kernel");
updateStatsKernel = Kernel.Create(program, "update_stats_kernel");
resetOutputKernel = Kernel.Create(program, "reset_output_kernel");
updateOutputKernel = Kernel.Create(program, "update_output_kernel");
glOutputBufferID = 0;
queue = CommandQueue.Create(context, device, CommandQueueFlags.ProfilingEnable);
fractalBuffer = context.CreateBuffer(MemFlags.ReadOnly, Marshal.SizeOf(typeof(NativeFractal)));
branchBuffer = context.CreateBuffer(MemFlags.ReadOnly, Marshal.SizeOf(typeof(NativeBranch)) * NativeFractal.MaxBranches);
variWeightBuffer = context.CreateBuffer(MemFlags.ReadOnly, 4 * NativeFractal.MaxBranches * NativeFractal.MaxVariations);
iterPosStateBuffer = context.CreateBuffer(MemFlags.ReadWrite, (8 * IteratorCount));
iterColorStateBuffer = context.CreateBuffer(MemFlags.ReadWrite, (8 * IteratorCount));
iterStatBuffer = context.CreateBuffer(MemFlags.ReadWrite, Marshal.SizeOf(typeof(NativeIterStatEntry)) * IteratorCount);
globalStatBuffer = context.CreateBuffer(MemFlags.ReadWrite, Marshal.SizeOf(typeof(NativeGlobalStatEntry)));
entropyXBuffer = context.CreateBuffer(MemFlags.ReadWrite, (16 * IteratorCount));
entropyCBuffer = context.CreateBuffer(MemFlags.ReadWrite, (4 * IteratorCount));
entropySeedBuffer = context.CreateBuffer(MemFlags.ReadWrite, (4 * IteratorCount));
uint[] seeds = new uint[IteratorCount];
for (int i = 0; i < IteratorCount; i++)
{
seeds[i] = (uint)rand.Next(65536);
}
entropySeedBuffer.Write(queue, seeds);
paletteSize = new Size(0, 0);
paletteImage = null;
paletteBuffer = null;
if (!useLowProfile)
{
paletteSampler = Sampler.Create(context, true, AddressingMode.ClampToEdge, FilterMode.Linear);
}
initIteratorsKernel.SetArgs(entropyXBuffer, entropyCBuffer, entropySeedBuffer);
Event initEvt;
initIteratorsKernel.EnqueueLaunch(queue, IteratorCount, IterGroupSize, null, out initEvt);
initEvt.Wait();
disposeAndNullify(ref initEvt);
queue.Finish();
}
