static GlfwWindowPtr CreateNewWindow(int Width, int Height, string Title, GlfwMonitorPtr Monitor, GlfwWindowPtr OldWindow)
{
GlfwWindowPtr NewWindow = Glfw.CreateWindow(Width, Height, Title, Monitor, OldWindow);
Glfw.DestroyWindow(OldWindow);
return(NewWindow);
}
private void OpenWindow(bool startInFullscreen, int width, int height)
{
GlfwMonitorPtr monitor = startInFullscreen ? Glfw.GetPrimaryMonitor() : GlfwMonitorPtr.Null;
SetupWindow();
nativeWindow = Glfw.CreateWindow(width, height, "GLFW3", monitor, GlfwWindowPtr.Null);
Glfw.MakeContextCurrent(nativeWindow);
Glfw.SetWindowSizeCallback(nativeWindow, OnWindowResize);
Glfw.SwapInterval(settings.UseVSync);
}
public static GlfwWindowPtr initWindow(string windowTitle)
{
GlfwMonitorPtr mon = Glfw.GetPrimaryMonitor();
GlfwVidMode mode = Glfw.GetVideoMode(mon);
GlfwWindowPtr window = Glfw.CreateWindow(g_width, g_height, windowTitle, GlfwMonitorPtr.Null, GlfwWindowPtr.Null);
Glfw.MakeContextCurrent(window);
WindowTitle = windowTitle;
//Get Version Info
string renderer = GL.GetString(StringName.Renderer);
string version = GL.GetString(StringName.Version);
Log.GL_Log("Renderer: " + renderer);
Log.GL_Log("Version: " + version);
Log.GL_Log("-----------------------------------");
return(window);
}
//[System.Runtime.InteropServices.DllImport("user32")]
//static extern bool SetWindowText(IntPtr hwnd, string title);
public static void Start()
{
if (!Glfw.Init())
{
Console.WriteLine("can't init glfw");
return;
}
GlfwMonitorPtr monitor = new GlfwMonitorPtr();
GlfwWindowPtr winPtr = new GlfwWindowPtr();
GlfwWindowPtr glWindow = Glfw.CreateWindow(800, 600, "Test Glfw", monitor, winPtr);
////---------------
//IntPtr nativeWin32Hwnd = Glfw.GetNativeWindowHandle(glWindow);
//SetWindowText(nativeWin32Hwnd, "OKOK...");
////---------------
while (!Glfw.WindowShouldClose(glWindow))
{
Glfw.PollEvents();
}
Glfw.Terminate();
}
public static void Start()
{
if (!Glfw.Init())
{
Console.WriteLine("can't init glfw");
return;
}
//---------------------------------------------------
//at this, point no opengl func binding
//---------------------------------------------------
//1. we specific which verision we want,
//here => OpenGLES 2.0
Glfw.WindowHint(WindowHint.GLFW_CLIENT_API, (int)OpenGLAPI.OpenGLESAPI);
Glfw.WindowHint(WindowHint.GLFW_CONTEXT_CREATION_API, (int)OpenGLContextCreationAPI.GLFW_EGL_CONTEXT_API);
Glfw.WindowHint(WindowHint.GLFW_CONTEXT_VERSION_MAJOR, 3);
Glfw.WindowHint(WindowHint.GLFW_CONTEXT_VERSION_MINOR, 0);
//---------------------------------------------------
OpenTK.Platform.Factory.GetCustomPlatformFactory = () => OpenTK.Platform.Egl.EglAngle.NewFactory();
OpenTK.Toolkit.Init(new OpenTK.ToolkitOptions
{
Backend = OpenTK.PlatformBackend.PreferNative,
});
OpenTK.Graphics.PlatformAddressPortal.GetAddressDelegate = OpenTK.Platform.Utilities.CreateGetAddress();
GlfwMonitorPtr monitor = new GlfwMonitorPtr(); //default monitor
GlfwWindowPtr winPtr = new GlfwWindowPtr(); //default window
GlfwWindowPtr glWindow = Glfw.CreateWindow(800, 600, "Test Glfw", monitor, winPtr);
/* Make the window's context current */
Glfw.MakeContextCurrent(glWindow);
Glfw.SwapInterval(1);
GlfwWindowPtr currentContext = Glfw.GetCurrentContext();
var contextHandler = new OpenTK.ContextHandle(currentContext.inner_ptr);
//faster: create external context
var glfwContext = new GLFWContextForOpenTK(contextHandler);
var context = OpenTK.Graphics.GraphicsContext.CreateExternalContext(glfwContext);
//---------------------------
//slow ... use create dummy context
//var context = OpenTK.Graphics.GraphicsContext.CreateDummyContext(contextHandler);
//and you need to load gles2 binding points manaually (below)
bool isCurrent = context.IsCurrent;
PixelFarm.GlfwWinInfo winInfo = new PixelFarm.GlfwWinInfo(glWindow);
context.MakeCurrent(winInfo);
//--------------------------------------
//bind open gl funcs here..
//this not need if we use glfwcontext for opentk
//new OpenTK.Graphics.ES20.GL().LoadEntryPoints();
//--------------------------------------
//create shader program
var shaderProgram = new MiniShaderProgram();
//--------------------------------------
ShaderVtxAttrib3f a_position;
ShaderVtxAttrib4f a_color;
ShaderUniformMatrix4 u_matrix;
ShaderUniformVar1 u_useSolidColor;
ShaderUniformVar4 u_solidColor;
MyMat4 orthoView;
string vs = @"
attribute vec3 a_position;
attribute vec4 a_color;
uniform mat4 u_mvpMatrix;
uniform vec4 u_solidColor;
uniform int u_useSolidColor;
varying vec4 v_color;
varying vec4 a_position_output;
void main()
{
a_position_output = u_mvpMatrix* vec4(a_position[0],a_position[1],0,1);
gl_Position = a_position_output;
v_color= vec4(1,0,0,1);
}
";
//fragment source
// string fs = @"void main()
// {
// gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
// }
// ";
string fs = @"
precision mediump float;
varying vec4 v_color;
varying vec4 a_position_output;
void main()
{
if(a_position_output[1]>0.5){
gl_FragColor = vec4(0,1,1,1);
}else{
gl_FragColor= vec4(0,1,0,1);
}
}
";
if (!shaderProgram.Build(vs, fs))
{
throw new NotSupportedException();
}
a_position = shaderProgram.GetAttrV3f("a_position");
a_color = shaderProgram.GetAttrV4f("a_color");
u_matrix = shaderProgram.GetUniformMat4("u_mvpMatrix");
u_useSolidColor = shaderProgram.GetUniform1("u_useSolidColor");
u_solidColor = shaderProgram.GetUniform4("u_solidColor");
//--------------------------------------------------------------------------------
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.ClearColor(1, 1, 1, 1);
//setup viewport size
int ww_w = 800;
int ww_h = 600;
int max = Math.Max(ww_w, ww_h);
//square viewport
GL.Viewport(0, 0, max, max);
orthoView = MyMat4.ortho(0, max, 0, max, 0, 1);
//--------------------------------------------------------------------------------
//load image
/* Loop until the user closes the window */
//int width, height;
//Glfw.GetFramebufferSize(glWindow, out width, out height);
//float ratio = (float)width / (float)height;
GL.Viewport(0, 0, 800, 600);
shaderProgram.UseProgram();
while (!Glfw.WindowShouldClose(glWindow))
{
//set clear color to white
GL.ClearColor(1f, 1, 1, 1);
GL.Clear(ClearBufferMask.ColorBufferBit);
//---------------------------------
//---------------------------------------------------------
u_matrix.SetData(orthoView.data);
//---------------------------------------------------------
//DrawLines(0, 0, 300, 300);
float x1 = 50, y1 = 20,
x2 = 300, y2 = 20;
float[] vtxs = new float[] {
x1, y1, 1,
x2, y2, 1,
50, 300, 1
};
u_useSolidColor.SetValue(1);
u_solidColor.SetValue(1f, 0f, 0f, 1f);//use solid color
a_position.LoadPureV3f(vtxs);
GL.DrawArrays(BeginMode.Triangles, 0, 3);
//---------------------------------------------------------
//GL.MatrixMode(MatrixMode.Modelview);
//GL.LoadIdentity();
//GL.Begin(BeginMode.Triangles);
//GL.Color3(1f, 0, 0);
//GL.Vertex3(-0.6f, -0.4f, 0f);
//GL.Color3(0f, 1f, 0);
//GL.Vertex3(0.6f, -0.4f, 0f);
//GL.Color3(0f, 0, 1f);
//GL.Vertex3(0.0f, 0.6f, 0f);
//GL.End();
//---------------------------------
/* Render here */
/* Swap front and back buffers */
Glfw.SwapBuffers(glWindow);
/* Poll for and process events */
Glfw.PollEvents();
}
Glfw.Terminate();
}
public static void Start()
{
if (!Glfw.Init())
{
Console.WriteLine("can't init glfw");
return;
}
//---------------------------------------------------
//specific OpenGLES
//Glfw.WindowHint(WindowHint.GLFW_CLIENT_API, (int)OpenGLAPI.OpenGLESAPI);
//Glfw.WindowHint(WindowHint.GLFW_CONTEXT_CREATION_API, (int)OpenGLContextCreationAPI.GLFW_EGL_CONTEXT_API);
//Glfw.WindowHint(WindowHint.GLFW_CONTEXT_VERSION_MAJOR, 2);
//Glfw.WindowHint(WindowHint.GLFW_CONTEXT_VERSION_MINOR, 0);
//---------------------------------------------------
GlfwMonitorPtr monitor = new GlfwMonitorPtr();
GlfwWindowPtr winPtr = new GlfwWindowPtr();
GlfwWindowPtr glWindow = Glfw.CreateWindow(800, 600, "Test Glfw", monitor, winPtr);
/* Make the window's context current */
Glfw.MakeContextCurrent(glWindow);
Glfw.SwapInterval(1);
GL.Hello();
//--------------------------------------
//create shader program
var shaderProgram = new MiniShaderProgram();
ShaderVtxAttrib3f a_position;
ShaderVtxAttrib4f a_color;
ShaderUniformMatrix4 u_matrix;
ShaderUniformVar1 u_useSolidColor;
ShaderUniformVar4 u_solidColor;
MyMat4 orthoView;
string vs = @"
attribute vec3 a_position;
attribute vec4 a_color;
uniform mat4 u_mvpMatrix;
uniform vec4 u_solidColor;
uniform int u_useSolidColor;
varying vec4 v_color;
varying vec4 a_position_output;
void main()
{
a_position_output = u_mvpMatrix* vec4(a_position[0],a_position[1],0,1);
gl_Position = a_position_output;
v_color= vec4(1,0,0,1);
}
";
//fragment source
// string fs = @"void main()
// {
// gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
// }
// ";
string fs = @"
//precision mediump float; //need for OpenGLES2
varying vec4 v_color;
varying vec4 a_position_output;
void main()
{
if(a_position_output[1]>0.5){
gl_FragColor = vec4(0,1,1,1);
}else{
gl_FragColor= vec4(0,1,0,1);
}
}
";
if (!shaderProgram.Build(vs, fs))
{
throw new NotSupportedException();
}
a_position = shaderProgram.GetAttrV3f("a_position");
a_color = shaderProgram.GetAttrV4f("a_color");
u_matrix = shaderProgram.GetUniformMat4("u_mvpMatrix");
u_useSolidColor = shaderProgram.GetUniform1("u_useSolidColor");
u_solidColor = shaderProgram.GetUniform4("u_solidColor");
//--------------------------------------------------------------------------------
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.ClearColor(1, 1, 1, 1);
//setup viewport size
int ww_w = 800;
int ww_h = 600;
int max = Math.Max(ww_w, ww_h);
//square viewport
GL.Viewport(0, 0, max, max);
orthoView = MyMat4.ortho(0, max, 0, max, 0, 1);
//--------------------------------------------------------------------------------
//load image
/* Loop until the user closes the window */
int width, height;
Glfw.GetFramebufferSize(glWindow, out width, out height);
float ratio = (float)width / (float)height;
GL.Viewport(0, 0, 800, 600);
shaderProgram.UseProgram();
while (!Glfw.WindowShouldClose(glWindow))
{
//set clear color to white
GL.ClearColor(1f, 1, 1, 1);
GL.Clear(ClearBufferMask.ColorBufferBit);
//---------------------------------
//---------------------------------------------------------
u_matrix.SetData(orthoView.data);
//---------------------------------------------------------
//DrawLines(0, 0, 300, 300);
float x1 = 50, y1 = 20,
x2 = 300, y2 = 20;
float[] vtxs = new float[] {
x1, y1, 1,
x2, y2, 1,
50, 300, 1
};
u_useSolidColor.SetValue(1);
u_solidColor.SetValue(1f, 0f, 0f, 1f);//use solid color
a_position.LoadPureV3f(vtxs);
GL.DrawArrays(BeginMode.Triangles, 0, 3);
//---------------------------------------------------------
//GL.MatrixMode(MatrixMode.Modelview);
//GL.LoadIdentity();
//GL.Begin(BeginMode.Triangles);
//GL.Color3(1f, 0, 0);
//GL.Vertex3(-0.6f, -0.4f, 0f);
//GL.Color3(0f, 1f, 0);
//GL.Vertex3(0.6f, -0.4f, 0f);
//GL.Color3(0f, 0, 1f);
//GL.Vertex3(0.0f, 0.6f, 0f);
//GL.End();
//---------------------------------
/* Render here */
/* Swap front and back buffers */
Glfw.SwapBuffers(glWindow);
/* Poll for and process events */
Glfw.PollEvents();
}
Glfw.Terminate();
}
public void Run(float targetFPS)
{
TargetFrameRate = targetFPS;
if (!Glfw.Init())
{
throw new Exception("Failed to initialize glfw!");
}
try
{
// Setup the error callback
Glfw.SetErrorCallback(OnError);
// Configure the window settings
Glfw.WindowHint(WindowHint.Resizeable, startResizable ? 1 : 0);
Glfw.WindowHint(WindowHint.Samples, 0);
// Create the window
handle = Glfw.CreateWindow(startWidth, startHeight, title,
GlfwMonitorPtr.Null, GlfwWindowPtr.Null);
HasFocus = true;
// TODO: check if window was initialized correctly
// Set the gl context
Glfw.MakeContextCurrent(handle);
// Get the primary monitor
primaryMonitor = Glfw.GetMonitors()[0];
primaryMonitorVideoMode = Glfw.GetVideoMode(primaryMonitor);
Glfw.GetWindowSize(handle, out width, out height);
Center();
// Setup window events
Glfw.SetScrollCallback(handle, OnInputScroll);
Glfw.SetCursorPosCallback(handle, OnMouseMove);
Glfw.SetWindowSizeCallback(handle, OnSizeChanged);
Glfw.SetWindowFocusCallback(handle, OnWindowFocusChanged);
Glfw.SetKeyCallback(handle, OnInputKeyChanged);
Input.Initialize(this);
// Set defaults and load
SetVSync(false);
Renderer = new MasterRenderer(width, height, startOptions);
InitOpenAL();
GLError.Begin();
Load();
ErrorCode initError = GLError.End();
if (initError != ErrorCode.NoError)
{
throw new Exception(string.Format("Uncaught opengl initialization error! {0}", initError));
}
// Begin game loop
double lastTime = Glfw.GetTime();
while (!Glfw.WindowShouldClose(handle))
{
double now = Glfw.GetTime();
float dt = (float)(now - lastTime);
lastTime = now;
// Process current deltatime
HandleFPS(dt);
// Check for input events before we call Input.Begin
Glfw.PollEvents();
// Check for window size change.
// We only call the OnResized event here so that
// when a user is custom resizing it doesn't get invoked
// a thousand times.
if (lastDrawnWidth != width || lastDrawnHeight != height)
{
lastDrawnWidth = width;
lastDrawnHeight = height;
OnSafeResized();
}
// Update
Input.Begin();
Renderer.Update(dt);
Update(dt);
Input.End();
// Draw
Renderer.Prepare(dt);
Draw(dt);
Renderer.Render(dt);
// Check for any uncaught opengl exceptions
ErrorCode glError = GL.GetError();
if (glError != ErrorCode.NoError)
{
throw new Exception(string.Format("Uncaught OpenGL Error: {0}", glError));
}
// Draw the buffers
Glfw.SwapBuffers(handle);
if (!vsyncEnabled)
{
// Sleep to avoid cpu cycle burning
double startSleepNow = Glfw.GetTime();
double timeToWait = targetDeltaTime - (startSleepNow - now);
while (timeToWait > 0)
{
Thread.Sleep(0);
double sleepNow = Glfw.GetTime();
timeToWait -= (sleepNow - startSleepNow);
startSleepNow = sleepNow;
}
}
}
Unload();
}
finally
{
Glfw.DestroyWindow(handle);
}
}
