diff options
Diffstat (limited to 'kmscube/cube-wl.cpp')
| -rw-r--r-- | kmscube/cube-wl.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/kmscube/cube-wl.cpp b/kmscube/cube-wl.cpp new file mode 100644 index 0000000..c8dfa56 --- /dev/null +++ b/kmscube/cube-wl.cpp @@ -0,0 +1,122 @@ + +#include <wayland-client.h> +#include <wayland-egl.h> + +#include <EGL/egl.h> +#include <GL/gl.h> + +#include <string.h> + +static struct wl_compositor *s_compositor = NULL; +static struct wl_shell *s_shell = NULL; +static EGLDisplay s_egl_display; +static char s_running = 1; + +struct window { + EGLContext egl_context; + struct wl_surface *surface; + struct wl_shell_surface *shell_surface; + struct wl_egl_window *egl_window; + EGLSurface egl_surface; +}; + +// listeners +static void registry_add_object(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) +{ + if (!strcmp(interface, "wl_compositor")) + s_compositor = (struct wl_compositor*)wl_registry_bind(registry, name, &wl_compositor_interface, 0); + else if (!strcmp(interface, "wl_shell")) + s_shell = (struct wl_shell*)wl_registry_bind(registry, name, &wl_shell_interface, 0); +} + +static void registry_remove_object(void *data, struct wl_registry *registry, uint32_t name) +{ + +} + +static struct wl_registry_listener registry_listener = { ®istry_add_object, ®istry_remove_object }; + +static void shell_surface_ping(void *data, struct wl_shell_surface *shell_surface, uint32_t serial) +{ + wl_shell_surface_pong(shell_surface, serial); +} + +static void shell_surface_configure(void *data, struct wl_shell_surface *shell_surface, uint32_t edges, int32_t width, int32_t height) +{ + struct window *window = (struct window*)data; + + wl_egl_window_resize(window->egl_window, width, height, 0, 0); +} + +static void shell_surface_popup_done(void *data, struct wl_shell_surface *shell_surface) +{ + +} + +static struct wl_shell_surface_listener shell_surface_listener = { &shell_surface_ping, &shell_surface_configure, &shell_surface_popup_done }; + +static void create_window(struct window *window, int32_t width, int32_t height) +{ + eglBindAPI(EGL_OPENGL_API); + EGLint attributes[] = { + EGL_RED_SIZE, 8, + EGL_GREEN_SIZE, 8, + EGL_BLUE_SIZE, 8, + EGL_NONE + }; + EGLConfig config; + EGLint num_config; + eglChooseConfig(s_egl_display, attributes, &config, 1, &num_config); + window->egl_context = eglCreateContext(s_egl_display, config, EGL_NO_CONTEXT, NULL); + + window->surface = wl_compositor_create_surface(s_compositor); + window->shell_surface = wl_shell_get_shell_surface(s_shell, window->surface); + wl_shell_surface_add_listener(window->shell_surface, &shell_surface_listener, window); + wl_shell_surface_set_toplevel(window->shell_surface); + window->egl_window = wl_egl_window_create(window->surface, width, height); + window->egl_surface = eglCreateWindowSurface(s_egl_display, config, window->egl_window, NULL); + eglMakeCurrent(s_egl_display, window->egl_surface, window->egl_surface, window->egl_context); +} + +static void delete_window(struct window *window) +{ + eglDestroySurface(s_egl_display, window->egl_surface); + wl_egl_window_destroy(window->egl_window); + wl_shell_surface_destroy(window->shell_surface); + wl_surface_destroy(window->surface); + eglDestroyContext(s_egl_display, window->egl_context); +} + +static void draw_window(struct window *window) +{ + glClearColor(0.0, 1.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + eglSwapBuffers(s_egl_display, window->egl_surface); +} + +int main_wl() +{ + struct wl_display *display = wl_display_connect(NULL); + struct wl_registry *registry = wl_display_get_registry(display); + wl_registry_add_listener(registry, ®istry_listener, NULL); + wl_display_roundtrip(display); + + s_egl_display = eglGetDisplay(display); + eglInitialize(s_egl_display, NULL, NULL); + + uint32_t width = 600; + uint32_t height = 600; + + struct window window; + create_window(&window, width, height); + + while (s_running) { + wl_display_dispatch_pending(display); + draw_window(&window); + } + + delete_window(&window); + eglTerminate(s_egl_display); + wl_display_disconnect(display); + return 0; +} |