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Add dynamic output resizing for Wayland backend 

This allows outputs to:
- Not support modesetting
- Resize themselves
This commit is contained in:
Drew DeVault 2017-06-20 17:51:45 -04:00
parent c9d5a0b2fb
commit b9d36c8149
10 changed files with 75 additions and 90 deletions
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1
backend/drm/drm.c
View File

@ -260,6 +260,7 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output,
output->width = output->wlr_output->width = mode->width;
output->height = output->wlr_output->height = mode->height;
output->wlr_output->current_mode = mode;
wl_signal_emit(&output->wlr_output->events.resolution, output->wlr_output);
if (!display_init_renderer(&state->renderer, output)) {
wlr_log(L_ERROR, "Failed to initalise renderer for %s", output->wlr_output->name);

9
backend/wayland/backend.c
View File

@ -12,18 +12,17 @@
static int dispatch_events(int fd, uint32_t mask, void *data) {
struct wlr_backend_state *state = data;
int count = 0;
if(mask & WL_EVENT_READABLE)
if (mask & WL_EVENT_READABLE) {
count = wl_display_dispatch(state->remote_display);
if(mask & WL_EVENT_WRITABLE)
}
if (mask & WL_EVENT_WRITABLE) {
count = wl_display_flush(state->remote_display);
}
if (mask == 0) {
count = wl_display_dispatch_pending(state->remote_display);
wl_display_flush(state->remote_display);
}
return count;
}

98
backend/wayland/output.c
View File

@ -38,49 +38,9 @@ static struct wl_callback_listener frame_listener = {
.done = surface_frame_callback
};
// TODO: enable/cursor etc
static void wlr_wl_output_enable(struct wlr_output_state *output, bool enable) {
}
static bool wlr_wl_output_set_mode(struct wlr_output_state *output,
struct wlr_output_mode *mode) {
output->output->current_mode = mode;
// start rendering loop per callbacks by rendering first frame
if (!eglMakeCurrent(output->backend->egl.display,
output->egl_surface, output->egl_surface,
output->backend->egl.context)) {
wlr_log(L_ERROR, "eglMakeCurrent failed: %s", egl_error());
return false;
}
glViewport(0, 0, output->width, output->height);
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
output->frame_callback = wl_surface_frame(output->surface);
wl_callback_add_listener(output->frame_callback, &frame_listener, output);
if (!eglSwapBuffers(output->backend->egl.display, output->egl_surface)) {
wlr_log(L_ERROR, "eglSwapBuffers failed: %s", egl_error());
return false;
}
return true;
}
static void wlr_wl_output_transform(struct wlr_output_state *output,
enum wl_output_transform transform) {
}
static bool wlr_wl_output_set_cursor(struct wlr_output_state *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
return false;
}
static bool wlr_wl_output_move_cursor(struct wlr_output_state *output,
int x, int y) {
return false;
// TODO
}
static void wlr_wl_output_destroy(struct wlr_output_state *output) {
@ -93,11 +53,7 @@ static void wlr_wl_output_destroy(struct wlr_output_state *output) {
}
static struct wlr_output_impl output_impl = {
.enable = wlr_wl_output_enable,
.set_mode = wlr_wl_output_set_mode,
.transform = wlr_wl_output_transform,
.set_cursor = wlr_wl_output_set_cursor,
.move_cursor = wlr_wl_output_move_cursor,
.destroy = wlr_wl_output_destroy,
};
@ -109,11 +65,18 @@ void handle_ping(void* data, struct wl_shell_surface* ssurface, uint32_t serial)
void handle_configure(void *data, struct wl_shell_surface *wl_shell_surface,
uint32_t edges, int32_t width, int32_t height){
wlr_log(L_DEBUG, "resize %d %d", width, height);
struct wlr_output_state *ostate = data;
assert(ostate && ostate->shell_surface == wl_shell_surface);
struct wlr_output *output = ostate->output;
wl_egl_window_resize(ostate->egl_window, width, height, 0, 0);
output->width = width;
output->height = height;
wlr_output_update_matrix(output);
wl_signal_emit(&output->events.resolution, output);
}
void handle_popup_done(void *data, struct wl_shell_surface *wl_shell_surface) {
wlr_log(L_ERROR, "Unexpected call");
wlr_log(L_ERROR, "Unexpected wl_shell_surface.popup_done event");
}
static struct wl_shell_surface_listener shell_surface_listener = {
@ -124,10 +87,6 @@ static struct wl_shell_surface_listener shell_surface_listener = {
struct wlr_output *wlr_wl_output_create(struct wlr_backend_state* backend,
size_t id) {
// TODO: dont hardcode stuff like size
static unsigned int width = 800;
static unsigned int height = 500;
struct wlr_output_state *ostate;
if (!(ostate = calloc(sizeof(struct wlr_output_state), 1))) {
wlr_log(L_ERROR, "Failed to allocate wlr_output_state");
@ -141,24 +100,14 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend_state* backend,
return NULL;
}
wlr_output->width = width;
wlr_output->height = height;
wlr_output->width = 640;
wlr_output->height = 480;
wlr_output->scale = 1;
strncpy(wlr_output->make, "wayland", sizeof(wlr_output->make));
strncpy(wlr_output->model, "wayland", sizeof(wlr_output->model));
snprintf(wlr_output->name, sizeof(wlr_output->name), "WL-%d", 1);
struct wlr_output_mode mode = {
.width = width,
.height = height,
.refresh = 60,
.flags = 0,
};
list_add(wlr_output->modes, &mode);
ostate->id = id;
ostate->width = width;
ostate->height = height;
ostate->backend = backend;
ostate->output = wlr_output;
@ -171,9 +120,30 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend_state* backend,
wl_shell_surface_add_listener(ostate->shell_surface, &shell_surface_listener, ostate);
wl_shell_surface_set_toplevel(ostate->shell_surface);
ostate->egl_window = wl_egl_window_create(ostate->surface, width, height);
ostate->egl_window = wl_egl_window_create(ostate->surface,
wlr_output->width, wlr_output->height);
ostate->egl_surface = wlr_egl_create_surface(&backend->egl, ostate->egl_window);
// start rendering loop per callbacks by rendering first frame
if (!eglMakeCurrent(ostate->backend->egl.display,
ostate->egl_surface, ostate->egl_surface,
ostate->backend->egl.context)) {
wlr_log(L_ERROR, "eglMakeCurrent failed: %s", egl_error());
return false;
}
glViewport(0, 0, wlr_output->width, wlr_output->height);
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
ostate->frame_callback = wl_surface_frame(ostate->surface);
wl_callback_add_listener(ostate->frame_callback, &frame_listener, ostate);
if (!eglSwapBuffers(ostate->backend->egl.display, ostate->egl_surface)) {
wlr_log(L_ERROR, "eglSwapBuffers failed: %s", egl_error());
return false;
}
wl_signal_emit(&backend->backend->events.output_add, wlr_output);
return wlr_output;
}

17
example/pointer.c
View File

@ -110,15 +110,14 @@ int main(int argc, char *argv[]) {
.default_color = { 0.25f, 0.25f, 0.25f, 1 },
.clear_color = { 0.25f, 0.25f, 0.25f, 1 }
};
struct compositor_state compositor = { 0,
.data = &state,
.output_add_cb = handle_output_add,
.output_frame_cb = handle_output_frame,
.keyboard_key_cb = handle_keyboard_key,
.pointer_motion_cb = handle_pointer_motion,
.pointer_button_cb = handle_pointer_button,
.pointer_axis_cb = handle_pointer_axis,
};
struct compositor_state compositor = { 0 };
compositor.data = &state;
compositor.output_add_cb = handle_output_add;
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
compositor.pointer_motion_cb = handle_pointer_motion;
compositor.pointer_button_cb = handle_pointer_button;
compositor.pointer_axis_cb = handle_pointer_axis;
compositor_init(&compositor);
state.renderer = wlr_gles3_renderer_init();

13
example/rotation.c
View File

@ -197,13 +197,12 @@ int main(int argc, char *argv[]) {
wl_list_init(&state.config);
parse_args(argc, argv, &state.config);
struct compositor_state compositor = { 0,
.data = &state,
.output_add_cb = handle_output_add,
.output_remove_cb = handle_output_remove,
.output_frame_cb = handle_output_frame,
.keyboard_key_cb = handle_keyboard_key,
};
struct compositor_state compositor = { 0 };
compositor.data = &state;
compositor.output_add_cb = handle_output_add;
compositor.output_remove_cb = handle_output_remove;
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
compositor_init(&compositor);
state.renderer = wlr_gles3_renderer_init();

2
example/shared.c
View File

@ -383,7 +383,9 @@ static void output_add_notify(struct wl_listener *listener, void *data) {
fprintf(stderr, "Output '%s' added\n", output->name);
fprintf(stderr, "%s %s %"PRId32"mm x %"PRId32"mm\n", output->make, output->model,
output->phys_width, output->phys_height);
if (output->modes->length > 0) {
wlr_output_set_mode(output, output->modes->items[0]);
}
struct output_state *ostate = calloc(1, sizeof(struct output_state));
clock_gettime(CLOCK_MONOTONIC, &ostate->last_frame);
ostate->output = output;

2
include/backend/wayland.h
View File

@ -32,8 +32,6 @@ struct wlr_backend_state {
struct wlr_output_state {
size_t id;
unsigned int width;
unsigned int height;
struct wlr_backend_state *backend;
struct wlr_output *output;
struct wl_surface *surface;

1
include/types.h
View File

@ -20,6 +20,7 @@ struct wlr_output_impl {
struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
struct wlr_output_state *state);
void wlr_output_free(struct wlr_output *output);
void wlr_output_update_matrix(struct wlr_output *output);
struct wlr_keyboard_impl {
void (*destroy)(struct wlr_keyboard_state *state);

2
include/wlr/types.h
View File

@ -33,11 +33,13 @@ struct wlr_output {
float transform_matrix[16];
/* Note: some backends may have zero modes */
list_t *modes;
struct wlr_output_mode *current_mode;
struct {
struct wl_signal frame;
struct wl_signal resolution;
} events;
};

18
types/wlr_output.c
View File

@ -65,6 +65,10 @@ static void set_matrix(float mat[static 16], int32_t width, int32_t height,
mat[15] = 1.0f;
}
void wlr_output_update_matrix(struct wlr_output *output) {
set_matrix(output->transform_matrix, output->width, output->height, output->transform);
}
struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
struct wlr_output_state *state) {
struct wlr_output *output = calloc(1, sizeof(struct wlr_output));
@ -73,6 +77,7 @@ struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
output->modes = list_create();
output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
wl_signal_init(&output->events.frame);
wl_signal_init(&output->events.resolution);
return output;
}
@ -81,22 +86,31 @@ void wlr_output_enable(struct wlr_output *output, bool enable) {
}
bool wlr_output_set_mode(struct wlr_output *output, struct wlr_output_mode *mode) {
set_matrix(output->transform_matrix, mode->width, mode->height, output->transform);
if (!output->impl || !output->impl->set_mode) {
return false;
}
wlr_output_update_matrix(output);
return output->impl->set_mode(output->state, mode);
}
void wlr_output_transform(struct wlr_output *output,
enum wl_output_transform transform) {
set_matrix(output->transform_matrix, output->width, output->height, transform);
wlr_output_update_matrix(output);
output->impl->transform(output->state, transform);
}
bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
if (!output->impl || !output->impl->set_cursor) {
return false;
}
return output->impl->set_cursor(output->state, buf, stride, width, height);
}
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y) {
if (!output->impl || !output->impl->move_cursor) {
return false;
}
return output->impl->move_cursor(output->state, x, y);
}