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static void framebuffer_callback(GLFWwindow *window, int width, int height) {
state.screen_width = width;
state.screen_height = height;
state.viewport.x = 0;
state.viewport.y = 0;
state.viewport.w = width;
state.viewport.h = height;
float current_aspect = (float)width / (float)height;
float aspect_ratio = 4.f/3.f;
if(current_aspect > aspect_ratio) {
float new_width = height * aspect_ratio;
state.viewport.x = (width - new_width) / 2;
state.viewport.w = new_width;
} else if(current_aspect < aspect_ratio) {
float new_height = width / aspect_ratio;
state.viewport.y = (height - new_height) / 2;
state.viewport.h = new_height;
}
}
static void toggle_fullscreen(bool enable) {
static int windowed_x;
static int windowed_y;
static int windowed_width;
static int windowed_height;
if(enable) { // Save current windowed size and position
glfwGetWindowPos(window, &windowed_x, &windowed_y);
glfwGetWindowSize(window, &windowed_width, &windowed_height);
GLFWmonitor *monitor = glfwGetPrimaryMonitor();
const GLFWvidmode *mode = glfwGetVideoMode(monitor);
glfwSetWindowMonitor(window, monitor, 0, 0, mode->width, mode->height, mode->refreshRate);
} else { // Restore to saved windowed position/size
glfwSetWindowMonitor(window, 0, windowed_x, windowed_y, windowed_width, windowed_height, 0); // 0 = don't change refresh rate
}
}
static void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods) {
struct nes_state *nes_state = (struct nes_state*)glfwGetWindowUserPointer(window);
if(key == GLFW_KEY_ESCAPE) {
if(action == GLFW_PRESS) {
glfwSetWindowShouldClose(window, 1);
}
}
if(action == GLFW_RELEASE) {
switch(key) {
case GLFW_KEY_F12: {
state.toggle_crt_emulation = !state.toggle_crt_emulation;
} break;
case GLFW_KEY_F11: {
if(!(mods & GLFW_MOD_SHIFT)) {
if(state.fullscreen) {
toggle_fullscreen(false);
state.fullscreen = false;
} else {
toggle_fullscreen(true);
state.fullscreen = true;
}
} else {
#ifdef PROFILER
state.overlay = !state.overlay;
#endif
}
} break;
default: break;
}
}
}
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