backend/wayland: Update to new cursor API

This commit is contained in:
Scott Anderson 2019-09-15 20:06:09 +12:00
parent f5e5b3eec3
commit 13b0a5bcc1
2 changed files with 92 additions and 90 deletions

View file

@ -59,6 +59,83 @@ static bool output_attach_render(struct wlr_output *wlr_output,
buffer_age);
}
static bool output_cursor_try_set_size(struct wlr_output *wlr_output,
int *x, int *y) {
struct wlr_wl_output *output =
get_wl_output_from_output(wlr_output);
struct wlr_wl_backend *backend = output->backend;
if (output->cursor.surface) {
wl_egl_window_resize(output->cursor.native, *x, *y, 0, 0);
return true;
}
output->cursor.surface =
wl_compositor_create_surface(backend->compositor);
output->cursor.native =
wl_egl_window_create(output->cursor.surface, *x, *y);
if (!output->cursor.native) {
goto error_surface;
}
output->cursor.egl =
wlr_egl_create_surface(&backend->egl, output->cursor.native);
if (!output->cursor.egl) {
goto error_native;
}
return true;
error_native:
wl_egl_window_destroy(output->cursor.native);
output->cursor.native = NULL;
error_surface:
wl_surface_destroy(output->cursor.surface);
output->cursor.surface = NULL;
return false;
}
static bool output_cursor_attach_render(struct wlr_output *wlr_output,
int *buffer_age) {
struct wlr_wl_output *output =
get_wl_output_from_output(wlr_output);
assert(output->cursor.surface);
return wlr_egl_make_current(&output->backend->egl,
output->cursor.egl, buffer_age);
}
static bool output_cursor_commit(struct wlr_output *wlr_output) {
struct wlr_wl_output *output =
get_wl_output_from_output(wlr_output);
struct wlr_output_cursor *cursor = &wlr_output->cursor_pending;
if (cursor->committed & WLR_OUTPUT_CURSOR_BUFFER) {
if (!wlr_egl_swap_buffers(&output->backend->egl,
output->cursor.egl, NULL)) {
return false;
}
}
if (cursor->committed & WLR_OUTPUT_CURSOR_POS) {
output->cursor.hotspot_x = cursor->hotspot_x;
output->cursor.hotspot_y = cursor->hotspot_y;
}
if (cursor->committed & WLR_OUTPUT_CURSOR_ENABLE) {
output->cursor.enabled = cursor->enabled;
}
if (output->cursor.enabled) {
update_wl_output_cursor(output);
} else {
wl_surface_attach(output->cursor.surface, NULL, 0, 0);
wl_surface_commit(output->cursor.surface);
}
return true;
}
static bool output_commit(struct wlr_output *wlr_output) {
struct wlr_wl_output *output =
get_wl_output_from_output(wlr_output);
@ -86,81 +163,6 @@ static bool output_commit(struct wlr_output *wlr_output) {
return true;
}
static bool output_set_cursor(struct wlr_output *wlr_output,
struct wlr_texture *texture, int32_t scale,
enum wl_output_transform transform,
int32_t hotspot_x, int32_t hotspot_y, bool update_texture) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
struct wlr_wl_backend *backend = output->backend;
struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y };
wlr_box_transform(&hotspot, &hotspot,
wlr_output_transform_invert(wlr_output->transform),
output->cursor.width, output->cursor.height);
// TODO: use output->wlr_output.transform to transform pixels and hotpot
output->cursor.hotspot_x = hotspot.x;
output->cursor.hotspot_y = hotspot.y;
if (!update_texture) {
// Update hotspot without changing cursor image
update_wl_output_cursor(output);
return true;
}
if (output->cursor.surface == NULL) {
output->cursor.surface =
wl_compositor_create_surface(backend->compositor);
}
struct wl_surface *surface = output->cursor.surface;
if (texture != NULL) {
int width, height;
wlr_texture_get_size(texture, &width, &height);
width = width * wlr_output->scale / scale;
height = height * wlr_output->scale / scale;
output->cursor.width = width;
output->cursor.height = height;
if (output->cursor.egl_window == NULL) {
output->cursor.egl_window =
wl_egl_window_create(surface, width, height);
}
wl_egl_window_resize(output->cursor.egl_window, width, height, 0, 0);
EGLSurface egl_surface =
wlr_egl_create_surface(&backend->egl, output->cursor.egl_window);
wlr_egl_make_current(&backend->egl, egl_surface, NULL);
struct wlr_box cursor_box = {
.width = width,
.height = height,
};
float projection[9];
wlr_matrix_projection(projection, width, height, wlr_output->transform);
float matrix[9];
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, projection);
wlr_renderer_begin(backend->renderer, width, height);
wlr_renderer_clear(backend->renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });
wlr_render_texture_with_matrix(backend->renderer, texture, matrix, 1.0);
wlr_renderer_end(backend->renderer);
wlr_egl_swap_buffers(&backend->egl, egl_surface, NULL);
wlr_egl_destroy_surface(&backend->egl, egl_surface);
} else {
wl_surface_attach(surface, NULL, 0, 0);
wl_surface_commit(surface);
}
update_wl_output_cursor(output);
return true;
}
static void output_destroy(struct wlr_output *wlr_output) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
if (output == NULL) {
@ -169,8 +171,11 @@ static void output_destroy(struct wlr_output *wlr_output) {
wl_list_remove(&output->link);
if (output->cursor.egl_window != NULL) {
wl_egl_window_destroy(output->cursor.egl_window);
if (output->cursor.egl) {
wlr_egl_destroy_surface(&output->backend->egl, output->cursor.egl);
}
if (output->cursor.native) {
wl_egl_window_destroy(output->cursor.native);
}
if (output->cursor.surface) {
wl_surface_destroy(output->cursor.surface);
@ -193,17 +198,12 @@ static void output_destroy(struct wlr_output *wlr_output) {
void update_wl_output_cursor(struct wlr_wl_output *output) {
if (output->backend->pointer && output->enter_serial) {
wl_pointer_set_cursor(output->backend->pointer, output->enter_serial,
output->cursor.surface, output->cursor.hotspot_x,
output->cursor.hotspot_y);
wl_pointer_set_cursor(output->backend->pointer,
output->enter_serial, output->cursor.surface,
output->cursor.hotspot_x, output->cursor.hotspot_y);
}
}
static bool output_move_cursor(struct wlr_output *_output, int x, int y) {
// TODO: only return true if x == current x and y == current y
return true;
}
static bool output_schedule_frame(struct wlr_output *wlr_output) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
@ -221,10 +221,11 @@ static bool output_schedule_frame(struct wlr_output *wlr_output) {
static const struct wlr_output_impl output_impl = {
.set_custom_mode = output_set_custom_mode,
.destroy = output_destroy,
.cursor_try_set_size = output_cursor_try_set_size,
.cursor_attach_render = output_cursor_attach_render,
.cursor_commit = output_cursor_commit,
.attach_render = output_attach_render,
.commit = output_commit,
.set_cursor = output_set_cursor,
.move_cursor = output_move_cursor,
.schedule_frame = output_schedule_frame,
};

View file

@ -58,10 +58,11 @@ struct wlr_wl_output {
uint32_t enter_serial;
struct {
bool enabled;
int hotspot_x, hotspot_y;
struct wl_surface *surface;
struct wl_egl_window *egl_window;
int32_t hotspot_x, hotspot_y;
int32_t width, height;
struct wl_egl_window *native;
EGLSurface egl;
} cursor;
};