Merge: crisel -> main

Makefile

@@ -14,7 +14,7 @@ OBJ = \
 CFLAGS = \
 	-I./ext/cglm/include  \
 	-I./ext/glfw/include  \
-	-Wall -Wno-unused-function -std=c99 \
+	-Wall -Wno-unused-function -std=c99 -D_GNU_SOURCE \
 
 WAYLAND-LIB = \
 	xdg-shell \
@@ -54,6 +54,11 @@ linux-x11: $(OBJ)
 	$(CC) -o $(BIN) $(OBJ) -L. -lGLEW -lGL -lglfw -lm
 
 linux-wayland: $(OBJ)
+	for i in $(WAYLAND-LIB); \
+	do  \
+		wayland-scanner client-header ext/glfw/deps/wayland/$$i.xml ext/glfw/deps/wayland/$$i-client-protocol.h; \
+		wayland-scanner private-code ext/glfw/deps/wayland/$$i.xml ext/glfw/deps/wayland/$$i-client-protocol-code.h; \
+	done
 	$(MAKE) BKN=_GLFW_WAYLAND libglfw.so
 	$(CC) -o $(BIN) $(OBJ) -L. -lGLEW -lGL -lglfw -lm
 
@@ -66,11 +71,6 @@ cocoa: $(OBJ)
 	$(CC) -framework OpenGL -o $(BIN) $(OBJ) -L. -lGLEW -lGL -lglfw 
 
 libglfw.so: 
-	for i in $(WAYLAND-LIB); \
-	do  \
-		wayland-scanner client-header ext/glfw/deps/wayland/$$i.xml ext/glfw/deps/wayland/$$i-client-protocol.h; \
-		wayland-scanner private-code ext/glfw/deps/wayland/$$i.xml ext/glfw/deps/wayland/$$i-client-protocol-code.h; \
-	done
 	$(CC) -fPIC -shared -D$(BKN) -D_GLFW_BUILD_DLL -Iext/glfw/deps/wayland ./ext/glfw/src/*.c -o $@ 
 
 clean:

compile.bat

@@ -0,0 +1,3 @@
+:: git submodule update --init --recursive
+:: gcc -fPIC -shared -Iext/glfw/deps/MinGW -D_GLFW_WIN32 -D_GLFW_BUILD_DLL ./ext/glfw/src/*.c -o  glfw.dll -lgdi32
+gcc -I ext/cglm/include -I ext/glfw/include src/*.c -o manigraph -L . -lglfw -lopengl32 -lglew32

src/main.c

@@ -4,6 +4,7 @@
 
 #include <stdlib.h>
 #include <cglm/vec3.h>
+#include <stdio.h>
 
 #define WIDTH 512
 #define HEIGHT 512
@@ -51,72 +52,99 @@ float * fill_normal( float * d )
 const char * wname = "manigraph: manifold grapher";
 float * generate_surface(unsigned int, unsigned char *m);
 
-int main( void )
+
+void mlog(char * msg)
+{
+#ifdef DEBUG
+	printf(msg);
+#endif
+}
+
+int main(void)
 {
 	id_t shader, texture, shader_plain;
 	mesh_t m_surface, m_axis;
 	window_t window;
 
-	/* Setup window */
+	mlog("[VENTANA] Inicializando...\n");
 	{
 		if(!(window = init_window(WIDTH, HEIGHT, wname)))
+		{
+			mlog("[VENTANA] Error al inicializar...\n");
 			goto error_window;
+		}
 
 		use_window(window);
 		set_clean_color_context(0x2E, 0x07, 0x3F);
 	}
 
-	/* Setup context */
+	mlog("[CONTEXT] Inicializando...\n");
 	{
 		if(!(init_context()))
+		{
+			mlog("[CONTEXT] Error al inicializar...\n");
 			goto error_context; 
+		}
 	}
 
-	/* Setup color texture */
+	mlog("[TEXTURE] Inicializando...\n");
 	{
 		texture=create_palette_texture(palette, 4);
 		use_texture(texture);
 	}
 
-	/* Setup shader */
+	mlog("[SHADER] Inicializando...\n");
 	{
 		if(!(shader = create_shader()))
+		{	
+			mlog("[SHADER] Error al inicializar...\n");
 			goto error_shader;
+		}
 		load_program_to_shader(shader, vs, VERTEX);
 		load_program_to_shader(shader, fs, FRAGMENT);
 		load_fix_matrix(shader, (float)WIDTH/HEIGHT);
 	}
 
-	/* Setup shader w/out illumination */
+	mlog("[SHADER] Inicializando...\n");
 	{
 		if(!(shader_plain = create_shader()))
+		{
+			mlog("[SHADER] Error al inicializar...\n");
 			goto error_shader_plain;
+		}
 		load_program_to_shader(shader_plain, vs, VERTEX);
 		load_program_to_shader(shader_plain, fs_plain, FRAGMENT);
 		load_fix_matrix(shader_plain, (float)WIDTH/HEIGHT);
 	}
 
-	/* Fill mesh of surface */
+	mlog("[MESH] Inicializando...\n");
 	{
 		unsigned char m;
 		float * n_surface, *d_surface;
 		d_surface = generate_surface(16,&m);
 		n_surface = fill_normal(d_surface);
 		if( !(m_surface = create_mesh(d_surface, n_surface, coordanate)))
+		{
+			mlog("[MESH] Error al inicializar...\n");
 			goto error_mesh_surface; 
+		}
 		free(n_surface);
 		free(d_surface);
 	}
 
-	/* Fill mesh of axis */
+	mlog("[MESH] Inicializando...\n");
 	{
 		float * n_axis;
 		n_axis = fill_normal(d_axis);
 		if(!(m_axis = create_mesh(d_axis, n_axis, coordanate)))
+		{
+			mlog("[MESH] Error al inicializar...\n");
 			goto error_mesh_axis; 
+		}
 		free(n_axis);
 	}
 
+	mlog("[MAIN LOOP] Inicializando...\n");
 	while(is_open_window(window))
 	{
 		quat_t q;
@@ -138,27 +166,41 @@ int main( void )
 		load_mdl_matrix(shader_plain, 0, 3);
 #endif
 		draw_mesh(m_surface);
-
 	}
+	mlog("[MAIN LOOP] Terminando...\n");
 
+	mlog("[MESH] Destruyendo...\n");
 	destroy_mesh(m_axis);
+	mlog("[MESH] Destruyendo...\n");
 	destroy_mesh(m_surface);
+	mlog("[SHADER] Destruyendo...\n");
 	destroy_shader(shader_plain);
+	mlog("[SHADER] Destruyendo...\n");
 	destroy_shader(shader);
+	mlog("[TEXTURE] Destruyendo...\n");
 	destroy_texture(texture);
+	mlog("[WINDOW] Destruyendo...\n");
 	close_window(window);
 	return 0;
 
+
+	mlog("[MESH] Destruyendo...\n");
+	destroy_mesh(m_axis);
 error_mesh_axis:
+	mlog("[MESH] Destruyendo...\n");
 	destroy_mesh(m_surface);
 error_mesh_surface:
+	mlog("[SHADER] Destruyendo...\n");
 	destroy_shader(shader_plain);
 error_shader_plain:
+	mlog("[SHADER] Destruyendo...\n");
 	destroy_shader(shader);
 error_shader:
-	close_window(window);
+	mlog("[TEXTURE] Destruyendo...\n");
 	destroy_texture(texture);
 error_context:
+	mlog("[WINDOW] Destruyendo...\n");
+	close_window(window);
 error_window:
 	return 1;
 }

src/window.c

@@ -1,14 +1,48 @@
 #include "main.h"
 #include <GLFW/glfw3.h>
+#include <stdio.h>
+#include <time.h>
 
 void __window_callback_input(GLFWwindow *, int, int);
 void __mouse_callback_input(GLFWwindow *, int, int, int);
 void __scroll_callback_input(GLFWwindow *, double, double);
 void __key_callback_input(GLFWwindow *, int, int, int, int);
 
-window_t init_window(unsigned int w, unsigned int h, const char * name)
+window_t init_window(unsigned int w, unsigned int h, const char * name);
+
+/*
+	Limitamos los FPS, contando el tiempo en el que
+	se ejecuta el main loop, y esperando el tiempo restante
+	para lograr los fps deciados.
+*/
+
+static
+void __limit_fps_window(int max_fps)
 {
-	void * window;
+	static double previous_time = 0.0;
+	double current_time;
+	double frame_time;
+	double elapsed_time;
+
+	current_time = glfwGetTime();
+	frame_time = 1.0 / max_fps;
+	elapsed_time = current_time - previous_time;
+
+	if (elapsed_time < frame_time)
+	{
+		struct timespec sleep_time;
+		sleep_time.tv_sec = 0;
+		sleep_time.tv_nsec = (long)((frame_time - elapsed_time) * 1e9);
+		nanosleep(&sleep_time, NULL);
+
+		current_time = glfwGetTime();
+	}
+	previous_time = current_time;
+}
+
+window_t init_window(unsigned int width, unsigned int height, const char *title)
+{
+	window_t window;
 
 	if( !glfwInit() )
 		return NULL;
@@ -17,20 +51,21 @@ window_t init_window(unsigned int w, unsigned int h, const char * name)
 	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
 	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
-	window = glfwCreateWindow(w, h, name, NULL, NULL);
-
-	if( !window )
+	window = (window_t)glfwCreateWindow(width, height, title, NULL, NULL);
+	if (!(window))
 	{
 		glfwTerminate();
 		return NULL;
 	}
 
-	glfwSetWindowSizeCallback(window, __window_callback_input);
+	glfwMakeContextCurrent((GLFWwindow*)(window));
+
+	glfwSetWindowSizeCallback((GLFWwindow*)window, __window_callback_input);
 	glfwSetMouseButtonCallback((GLFWwindow*)window, __mouse_callback_input);
 	glfwSetScrollCallback((GLFWwindow*)window, __scroll_callback_input);
 	glfwSetKeyCallback((GLFWwindow*)window, __key_callback_input);
 
-	__window_callback_input( window, w, h );
+	__window_callback_input((GLFWwindow*)window, width, height );
 
 	return window;
 }
@@ -45,11 +80,12 @@ int is_open_window(window_t window)
 	glfwSwapBuffers((void*)window);
 	glfwPollEvents();
 
+	__limit_fps_window(60);
 	return !glfwWindowShouldClose((void*)window);
 }
 
 void close_window(window_t window)
 {
-	glfwDestroyWindow((void*)window);
+	glfwDestroyWindow((GLFWwindow *)window);
 	glfwTerminate();
 }