Add frame limiter, update glfw to 3.2

Dengine.vcxproj

@@ -71,8 +71,8 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <OutDir>.\bin\</OutDir>
     <IntDir>.\bin\</IntDir>
-    <IncludePath>extern\glm-0.9.7.5\include;extern\stb-master\include;src\include;extern\glew-1.13.0\include;extern\glfw-3.1.2.bin.WIN32\include;$(IncludePath)</IncludePath>
+    <IncludePath>extern\glm-0.9.7.5\include;extern\stb-master\include;src\include;extern\glew-1.13.0\include;extern\glfw-3.2.bin.WIN32\include;$(IncludePath)</IncludePath>
-    <LibraryPath>extern\glew-1.13.0\lib\Release\Win32;extern\glfw-3.1.2.bin.WIN32\lib-vc2015;$(LibraryPath)</LibraryPath>
+    <LibraryPath>extern\glew-1.13.0\lib\Release\Win32;extern\glfw-3.2.bin.WIN32\lib-vc2015;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>

extern/glfw-3.2.bin.WIN32/COPYING.txt

@@ -1,5 +1,5 @@
 Copyright (c) 2002-2006 Marcus Geelnard
-Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
+Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
 
 This software is provided 'as-is', without any express or implied
 warranty. In no event will the authors be held liable for any damages

extern/glfw-3.2.bin.WIN32/include/GLFW/glfw3native.h

@@ -1,9 +1,9 @@
 /*************************************************************************
- * GLFW 3.1 - www.glfw.org
+ * GLFW 3.2 - www.glfw.org
  * A library for OpenGL, window and input
  *------------------------------------------------------------------------
  * Copyright (c) 2002-2006 Marcus Geelnard
- * Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
+ * Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
  *
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -38,20 +38,30 @@ extern "C" {
  * Doxygen documentation
  *************************************************************************/
 
+/*! @file glfw3native.h
+ *  @brief The header of the native access functions.
+ *
+ *  This is the header file of the native access functions.  See @ref native for
+ *  more information.
+ */
 /*! @defgroup native Native access
  *
  *  **By using the native access functions you assert that you know what you're
  *  doing and how to fix problems caused by using them.  If you don't, you
  *  shouldn't be using them.**
  *
- *  Before the inclusion of @ref glfw3native.h, you must define exactly one
+ *  Before the inclusion of @ref glfw3native.h, you may define exactly one
- *  window system API macro and exactly one context creation API macro.  Failure
+ *  window system API macro and zero or more context creation API macros.
- *  to do this will cause a compile-time error.
+ *
+ *  The chosen backends must match those the library was compiled for.  Failure
+ *  to do this will cause a link-time error.
  *
  *  The available window API macros are:
  *  * `GLFW_EXPOSE_NATIVE_WIN32`
  *  * `GLFW_EXPOSE_NATIVE_COCOA`
  *  * `GLFW_EXPOSE_NATIVE_X11`
+ *  * `GLFW_EXPOSE_NATIVE_WAYLAND`
+ *  * `GLFW_EXPOSE_NATIVE_MIR`
  *
  *  The available context API macros are:
  *  * `GLFW_EXPOSE_NATIVE_WGL`
@@ -86,20 +96,23 @@ extern "C" {
 #elif defined(GLFW_EXPOSE_NATIVE_X11)
  #include <X11/Xlib.h>
  #include <X11/extensions/Xrandr.h>
-#else
+#elif defined(GLFW_EXPOSE_NATIVE_WAYLAND)
- #error "No window API selected"
+ #include <wayland-client.h>
+#elif defined(GLFW_EXPOSE_NATIVE_MIR)
+ #include <mir_toolkit/mir_client_library.h>
 #endif
 
 #if defined(GLFW_EXPOSE_NATIVE_WGL)
  /* WGL is declared by windows.h */
-#elif defined(GLFW_EXPOSE_NATIVE_NSGL)
+#endif
+#if defined(GLFW_EXPOSE_NATIVE_NSGL)
  /* NSGL is declared by Cocoa.h */
-#elif defined(GLFW_EXPOSE_NATIVE_GLX)
+#endif
+#if defined(GLFW_EXPOSE_NATIVE_GLX)
  #include <GL/glx.h>
-#elif defined(GLFW_EXPOSE_NATIVE_EGL)
+#endif
+#if defined(GLFW_EXPOSE_NATIVE_EGL)
  #include <EGL/egl.h>
-#else
- #error "No context API selected"
 #endif
 
 
@@ -114,11 +127,10 @@ extern "C" {
  *  of the specified monitor, or `NULL` if an [error](@ref error_handling)
  *  occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.1.
- *  Added in GLFW 3.1.
  *
  *  @ingroup native
  */
@@ -130,11 +142,10 @@ GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* monitor);
  *  `\\.\DISPLAY1\Monitor0`) of the specified monitor, or `NULL` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.1.
- *  Added in GLFW 3.1.
  *
  *  @ingroup native
  */
@@ -145,11 +156,10 @@ GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* monitor);
  *  @return The `HWND` of the specified window, or `NULL` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -162,11 +172,10 @@ GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window);
  *  @return The `HGLRC` of the specified window, or `NULL` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -179,11 +188,10 @@ GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window);
  *  @return The `CGDirectDisplayID` of the specified monitor, or
  *  `kCGNullDirectDisplay` if an [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.1.
- *  Added in GLFW 3.1.
  *
  *  @ingroup native
  */
@@ -194,11 +202,10 @@ GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* monitor);
  *  @return The `NSWindow` of the specified window, or `nil` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -211,11 +218,10 @@ GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window);
  *  @return The `NSOpenGLContext` of the specified window, or `nil` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -228,11 +234,10 @@ GLFWAPI id glfwGetNSGLContext(GLFWwindow* window);
  *  @return The `Display` used by GLFW, or `NULL` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -243,11 +248,10 @@ GLFWAPI Display* glfwGetX11Display(void);
  *  @return The `RRCrtc` of the specified monitor, or `None` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.1.
- *  Added in GLFW 3.1.
  *
  *  @ingroup native
  */
@@ -258,11 +262,10 @@ GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* monitor);
  *  @return The `RROutput` of the specified monitor, or `None` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.1.
- *  Added in GLFW 3.1.
  *
  *  @ingroup native
  */
@@ -273,11 +276,10 @@ GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* monitor);
  *  @return The `Window` of the specified window, or `None` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -290,15 +292,116 @@ GLFWAPI Window glfwGetX11Window(GLFWwindow* window);
  *  @return The `GLXContext` of the specified window, or `NULL` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
 GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window);
+
+/*! @brief Returns the `GLXWindow` of the specified window.
+ *
+ *  @return The `GLXWindow` of the specified window, or `None` if an
+ *  [error](@ref error_handling) occurred.
+ *
+ *  @thread_safety This function may be called from any thread.  Access is not
+ *  synchronized.
+ *
+ *  @since Added in version 3.2.
+ *
+ *  @ingroup native
+ */
+GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* window);
+#endif
+
+#if defined(GLFW_EXPOSE_NATIVE_WAYLAND)
+/*! @brief Returns the `struct wl_display*` used by GLFW.
+ *
+ *  @return The `struct wl_display*` used by GLFW, or `NULL` if an
+ *  [error](@ref error_handling) occurred.
+ *
+ *  @thread_safety This function may be called from any thread.  Access is not
+ *  synchronized.
+ *
+ *  @since Added in version 3.2.
+ *
+ *  @ingroup native
+ */
+GLFWAPI struct wl_display* glfwGetWaylandDisplay(void);
+
+/*! @brief Returns the `struct wl_output*` of the specified monitor.
+ *
+ *  @return The `struct wl_output*` of the specified monitor, or `NULL` if an
+ *  [error](@ref error_handling) occurred.
+ *
+ *  @thread_safety This function may be called from any thread.  Access is not
+ *  synchronized.
+ *
+ *  @since Added in version 3.2.
+ *
+ *  @ingroup native
+ */
+GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* monitor);
+
+/*! @brief Returns the main `struct wl_surface*` of the specified window.
+ *
+ *  @return The main `struct wl_surface*` of the specified window, or `NULL` if
+ *  an [error](@ref error_handling) occurred.
+ *
+ *  @thread_safety This function may be called from any thread.  Access is not
+ *  synchronized.
+ *
+ *  @since Added in version 3.2.
+ *
+ *  @ingroup native
+ */
+GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window);
+#endif
+
+#if defined(GLFW_EXPOSE_NATIVE_MIR)
+/*! @brief Returns the `MirConnection*` used by GLFW.
+ *
+ *  @return The `MirConnection*` used by GLFW, or `NULL` if an
+ *  [error](@ref error_handling) occurred.
+ *
+ *  @thread_safety This function may be called from any thread.  Access is not
+ *  synchronized.
+ *
+ *  @since Added in version 3.2.
+ *
+ *  @ingroup native
+ */
+GLFWAPI MirConnection* glfwGetMirDisplay(void);
+
+/*! @brief Returns the Mir output ID of the specified monitor.
+ *
+ *  @return The Mir output ID of the specified monitor, or zero if an
+ *  [error](@ref error_handling) occurred.
+ *
+ *  @thread_safety This function may be called from any thread.  Access is not
+ *  synchronized.
+ *
+ *  @since Added in version 3.2.
+ *
+ *  @ingroup native
+ */
+GLFWAPI int glfwGetMirMonitor(GLFWmonitor* monitor);
+
+/*! @brief Returns the `MirSurface*` of the specified window.
+ *
+ *  @return The `MirSurface*` of the specified window, or `NULL` if an
+ *  [error](@ref error_handling) occurred.
+ *
+ *  @thread_safety This function may be called from any thread.  Access is not
+ *  synchronized.
+ *
+ *  @since Added in version 3.2.
+ *
+ *  @ingroup native
+ */
+GLFWAPI MirSurface* glfwGetMirWindow(GLFWwindow* window);
 #endif
 
 #if defined(GLFW_EXPOSE_NATIVE_EGL)
@@ -307,11 +410,10 @@ GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window);
  *  @return The `EGLDisplay` used by GLFW, or `EGL_NO_DISPLAY` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -322,11 +424,10 @@ GLFWAPI EGLDisplay glfwGetEGLDisplay(void);
  *  @return The `EGLContext` of the specified window, or `EGL_NO_CONTEXT` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */
@@ -337,11 +438,10 @@ GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window);
  *  @return The `EGLSurface` of the specified window, or `EGL_NO_SURFACE` if an
  *  [error](@ref error_handling) occurred.
  *
- *  @par Thread Safety
+ *  @thread_safety This function may be called from any thread.  Access is not
- *  This function may be called from any thread.  Access is not synchronized.
+ *  synchronized.
  *
- *  @par History
+ *  @since Added in version 3.0.
- *  Added in GLFW 3.0.
  *
  *  @ingroup native
  */

src/build.bat

@@ -4,7 +4,7 @@ IF NOT EXIST ..\bin mkdir ..\bin
 pushd ..\bin
 
 set GLEW=..\extern\glew-1.13.0
-set GLFW=..\extern\glfw-3.1.2.bin.WIN32
+set GLFW=..\extern\glfw-3.2.bin.WIN32
 set STB=..\extern\stb-master
 set GLM=..\extern\glm-0.9.7.5
 

src/dengine.cpp

@@ -14,6 +14,7 @@
 #include <cstdint>
 #include <fstream>
 #include <iostream>
+#include <sstream>
 #include <string>
 
 void key_callback(GLFWwindow *window, int key, int scancode, int action, int mode)
@@ -49,7 +50,7 @@ int main()
 
 	glm::ivec2 windowSize = glm::ivec2(1280, 720);
 
-	GLFWwindow *window = glfwCreateWindow(windowSize.x, windowSize.y, "Breakout", nullptr, nullptr);
+	GLFWwindow *window = glfwCreateWindow(windowSize.x, windowSize.y, "Dengine", nullptr, nullptr);
 
 	if (!window)
 	{
@@ -91,20 +92,23 @@ int main()
 
 	glfwSetWindowUserPointer(window, static_cast<void *>(&game));
 
-	f32 deltaTime = 0.0f; // Time between current frame and last frame
+	f32 secondsElapsed = 0.0f; // Time between current frame and last frame
-	f32 lastFrame = 0.0f; // Time of last frame
+
+	// TODO(doyle): Get actual monitor refresh rate
+	i32 monitorRefreshHz = 60;
+	f32 targetSecondsPerFrame  = 1.0f / static_cast<f32>(monitorRefreshHz);
+	f32 startTime = static_cast<f32>(glfwGetTime());
+
+	//glfwSwapInterval(1);
 
 	/* Main game loop */
 	while (!glfwWindowShouldClose(window))
 	{
-		f32 currentFrame = static_cast<f32>(glfwGetTime());
-		deltaTime        = currentFrame - lastFrame;
-		lastFrame        = currentFrame;
 
 		/* Check and call events */
 		glfwPollEvents();
 
-		game.update(deltaTime);
+		game.update(secondsElapsed);
 
 		/* Rendering commands here*/
 		glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
@@ -115,6 +119,31 @@ int main()
 
 		/* Swap the buffers */
 		glfwSwapBuffers(window);
+
+		f32 endTime = static_cast<f32>(glfwGetTime());
+		secondsElapsed = endTime - startTime;
+
+		// TODO(doyle): Busy waiting, should sleep
+		while (secondsElapsed < targetSecondsPerFrame)
+		{
+			endTime        = static_cast<f32>(glfwGetTime());
+			secondsElapsed = endTime - startTime;
+		}
+
+		LOCAL_PERSIST f32 titleUpdateFrequencyInSeconds = 0.5f;
+
+		titleUpdateFrequencyInSeconds -= secondsElapsed;
+		if (titleUpdateFrequencyInSeconds <= 0)
+		{
+			f32 msPerFrame      = secondsElapsed * 1000.0f;
+			f32 framesPerSecond = 1.0f / secondsElapsed;
+			std::stringstream ss;
+			ss << "Dengine | " << msPerFrame << " ms/f | " << framesPerSecond << " fps";
+			glfwSetWindowTitle(window, ss.str().c_str());
+			titleUpdateFrequencyInSeconds = 0.5f;
+		}
+
+		startTime = endTime;
 	}
 
 	glfwTerminate();

src/include/Dengine/Common.h

@@ -5,11 +5,13 @@
 
 typedef uint8_t u8;
 typedef uint32_t u32;
+typedef uint64_t u64;
 
 typedef int32_t i32;
 typedef i32 b32;
 
 typedef float f32;
+typedef double f64;
 
 #define TRUE 1
 #define FALSE 0