diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 118 |
1 files changed, 118 insertions, 0 deletions
@@ -1,5 +1,123 @@ +#include <EGL/egl.h> #include <stdio.h> +#include "./state.h" +#include "wlr-layer-shell-unstable-v1.h" + +extern struct wl_registry_listener registry_listener; +extern struct zwlr_layer_surface_v1_listener layer_surface_listener; + +bool init_gl(client_state* state) { + EGLint attrs[] = { + EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, + EGL_CONFORMANT, EGL_OPENGL_BIT, + EGL_RED_SIZE, 8, + EGL_GREEN_SIZE, 8, + EGL_BLUE_SIZE, 8, + EGL_ALPHA_SIZE, 8, + EGL_DEPTH_SIZE, 24, + EGL_NONE + }; + + state->egl_window = wl_egl_window_create(state->surface, state->width, state->height); + if (!state->egl_window) { + fprintf(stderr, "ewindow\n"); + return false; + } + + + state->egl_display = eglGetDisplay(state->display); + if (state->egl_display == EGL_NO_DISPLAY) { + fprintf(stderr, "edisplay\n"); + return false; + } + { + EGLint major, minor; + if (eglInitialize(state->egl_display, &major, &minor) != EGL_TRUE) { + fprintf(stderr, "eglinit\n"); + return false; + } + + printf("EGL version %u.%u\n", major, minor); + } + eglBindAPI(EGL_OPENGL_API); + + EGLint num_configs; + if (eglChooseConfig(state->egl_display, attrs, &state->egl_config, 1, &num_configs) != EGL_TRUE) { + fprintf(stderr, "econfig: %d\n", eglGetError()); + return false; + } + + state->egl_surface = eglCreateWindowSurface(state->egl_display, state->egl_config, + (EGLNativeWindowType)state->egl_window, NULL); + if (state->egl_surface == EGL_NO_SURFACE) { + fprintf(stderr, "esurface\n"); + return false; + } + + state->egl_context = eglCreateContext(state->egl_display, state->egl_config, + EGL_NO_CONTEXT, NULL); + if (state->egl_context == EGL_NO_CONTEXT) { + fprintf(stderr, "econtext: %x\n", eglGetError()); + return false; + } + + eglMakeCurrent(state->egl_display, state->egl_surface, state->egl_surface, state->egl_context); + + if (!gladLoadGL()) { + fprintf(stderr, "gladLoadGL"); + return false; + } + + { + GLint major, minor; + glGetIntegerv(GL_MAJOR_VERSION, &major); + glGetIntegerv(GL_MINOR_VERSION, &minor); + printf("GL version %u.%u\n", major, minor); + } + return true; +} + int main() { + client_state state = {0}; + + state.running = true; + + state.display = wl_display_connect(NULL); + if (!state.display) { + fprintf(stderr, "Failed to Connect to wayland display\n"); + return 0; + } + + state.registry = wl_display_get_registry(state.display); + wl_registry_add_listener(state.registry, ®istry_listener, &state); + wl_display_roundtrip(state.display); + + state.surface = wl_compositor_create_surface(state.compositor); + state.layer_surface = zwlr_layer_shell_v1_get_layer_surface( + state.layer_shell, state.surface, NULL, + ZWLR_LAYER_SHELL_V1_LAYER_TOP, "swenu"); + zwlr_layer_surface_v1_add_listener(state.layer_surface, &layer_surface_listener, &state); + zwlr_layer_surface_v1_set_size(state.layer_surface, 600, 400); + zwlr_layer_surface_v1_set_anchor(state.layer_surface, ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | + ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM | + ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | + ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT); + zwlr_layer_surface_v1_set_exclusive_zone(state.layer_surface, -1); + zwlr_layer_surface_v1_set_margin(state.layer_surface, 0, 0, 0, 0); + zwlr_layer_surface_v1_set_keyboard_interactivity(state.layer_surface, ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE); + wl_surface_commit(state.surface); + wl_display_roundtrip(state.display); + + if (!init_gl(&state)) { + fprintf(stderr, "Failed to Initalize EGL/OpenGL\n"); + return 1; + } + while (state.running) { + wl_display_dispatch_pending(state.display); + glClearColor(1.0, 1.0, 1.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + eglSwapBuffers(state.egl_display, state.egl_surface); + } } |