whoops

.gitignore

@@ -1,3 +1,3 @@
-libgearlib.a
+*.a
 obj/
-test/*.exe
+examples/*.exe

Makefile

@@ -5,7 +5,7 @@ AR=ar
 CFLAGS=-O3 -Iinclude -g
 LDFLAGS=-lglfw -lm
 
-CFILES=$(shell cd src && mingw32-find -L * -type f -name '*.c')
+CFILES=$(shell cd src && find -L * -type f -name '*.c')
 OBJDIR=obj
 OBJ=$(addprefix $(OBJDIR)/, $(CFILES:.c=.o))
 
@@ -22,4 +22,4 @@ run: $(LIBRARY)
 
 clean:
 	rm -rf $(OBJ) $(LIBRARY)
-	make -C test clean
+	make -C examples clean

examples/Makefile

@@ -1,9 +1,9 @@
 CC=gcc
 
-CFLAGS=-O3 -I../include
-LDFLAGS=C:\msys64\ucrt64\lib\libglfw3.a -L ../ -lgdi32 -lgearlib -lm
+CFLAGS = -O3 -I../include
+LDFLAGS = -L ../ -lglfw -lgearlib -lm
 
-CFILES=$(shell mingw32-find -L * -type f -name '*.c')
+CFILES=$(shell find -L * -type f -name '*.c')
 BINARIES=$(CFILES:.c=)
 
 all: $(BINARIES)

examples/test.c

@@ -11,6 +11,8 @@ int main() {
 
     Texture cat = load_texture("assets/cat.png");
 
+    double time = glfwGetTime();
+
     while (!glfwWindowShouldClose(window)) {
         process_input(window);
         update_camera(camera, window);
@@ -25,6 +27,13 @@ int main() {
 
         flush();
 
+	double end_time = glfwGetTime();
+	double frame_time = end_time - time;
+	time = end_time;
+
+	double fps = 1.0 / frame_time;
+	printf("frame_time: %lf fps: %lf\n", frame_time, fps);
+    
         glfwSwapBuffers(window);
         glfwPollEvents();
     }

examples/textures.c

@@ -10,18 +10,27 @@ int main() {
 
     Texture cat = load_texture("assets/cat.png");
 
+    double time = glfwGetTime();
+
     while (!glfwWindowShouldClose(window)) {
         process_input(window);
         update_camera(camera, window);
         set_uniform_data(camera_buffer, camera->m);
 
-        glClearColor(vec4_spread(BLACK));
+        glClearColor(vec4_spread(BLUE));
         glClear(GL_COLOR_BUFFER_BIT);
 
         draw_texture(cat, vec2(250.0f, 250.0f), vec2(500.0f, 500.0f), WHITE);
 
         flush();
 
+	double end_time = glfwGetTime();
+	double frame_time = end_time - time;
+	time = end_time;
+
+	double fps = 1.0 / frame_time;
+	printf("frame_time: %lf fps: %lf\n", frame_time, fps);
+    
         glfwSwapBuffers(window);
         glfwPollEvents();
     }

src/textures.c

@@ -18,20 +18,30 @@ uint32_t load_texture(const char* path) {
     uint32_t id;
     glCreateTextures(GL_TEXTURE_2D, 1, &id); 
 
+    uint8_t default_texture[] = { 
+	    0, 0, 0, 255, 	255, 0, 255, 255,
+	    255, 0, 255, 255,	0, 0, 0, 255 };
+
+    int width = 2, height = 2, channels;
+    uint8_t* pixels = stbi_load(path, &width, &height, &channels, 4);
+    if(pixels) {
 	glTextureParameteri(id, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     	glTextureParameteri(id, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
     	glTextureParameteri(id, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
     	glTextureParameteri(id, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
-    int width, height, channels;
-    unsigned char* pixels = stbi_load(path, &width, &height, &channels, 4);
-    if(pixels) {
         glTextureStorage2D(id, 1, GL_RGBA8, width, height);
         glTextureSubImage2D(id, 0, 0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
         printf("[Texture %d, %s] Loaded successfully (%dx%d, %d channels)\n", id, path, width, height, channels);
     } else {
+	glTextureParameteri(id, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    	glTextureParameteri(id, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    	glTextureParameteri(id, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    	glTextureParameteri(id, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	glTextureStorage2D(id, 1, GL_RGBA8, width, height);
+	glTextureSubImage2D(id, 0, 0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, default_texture);
         printf("[Texture %d, %s] Failed to load image data: %s\n", id, path, stbi_failure_reason());
-        exit(-1);
     }
 
     return id;