hyprwm/wlroots-hyprland
1
0
Fork 0
mirror of https://github.com/hyprwm/wlroots-hyprland.git synced 2024-11-21 20:35:58 +01:00
Code Issues Projects Releases Packages Wiki Activity

output: add wlr_output_state_init()

Browse source 
This changes the semantics of wlr_output_state. Instead of having
fields with uninitialized memory when missing from the committed
bitflag, all fields are always initialized (and maybe NULL/empty),
just like we do in wlr_surface_state. This reduces the chances of
footguns when reading a field, and removes the need to check for
the committed bitfield everywhere.

A new wlr_output_state_init() function takes care of initializing
the Pixman region.
This commit is contained in:
Simon Ser 2023-06-22 15:48:35 +02:00 committed by Alexander Orzechowski
parent 8a5b5e6f28
commit be05097968
19 changed files with 103 additions and 103 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
backend/drm/backend.c
View file

@ -121,22 +121,21 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
struct wlr_drm_connector *conn;
wl_list_for_each(conn, &drm->connectors, link) {
struct wlr_output_mode *mode = NULL;
uint32_t committed = WLR_OUTPUT_STATE_ENABLED;
if (conn->status != DRM_MODE_DISCONNECTED && conn->output.enabled
&& conn->output.current_mode != NULL) {
committed |= WLR_OUTPUT_STATE_MODE;
mode = conn->output.current_mode;
}
struct wlr_output_state state = {
.committed = committed,
.allow_artifacts = true,
.enabled = mode != NULL,
.mode_type = WLR_OUTPUT_STATE_MODE_FIXED,
.mode = mode,
};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_enabled(&state, mode != NULL);
if (mode != NULL) {
wlr_output_state_set_mode(&state, mode);
}
if (!drm_connector_commit_state(conn, &state)) {
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to restore state after VT switch");
}
wlr_output_state_finish(&state);
}
} else {
wlr_log(WLR_INFO, "DRM fd paused");

9
backend/drm/drm.c
View file

@ -1155,16 +1155,15 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
wlr_drm_conn_log(conn, WLR_DEBUG, "De-allocating CRTC %" PRIu32,
conn->crtc->id);
struct wlr_output_state state = {
.committed = WLR_OUTPUT_STATE_ENABLED,
.allow_artifacts = true,
.enabled = false,
};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_enabled(&state, false);
if (!drm_connector_commit_state(conn, &state)) {
// On GPU unplug, disabling the CRTC can fail with EPERM
wlr_drm_conn_log(conn, WLR_ERROR, "Failed to disable CRTC %"PRIu32,
conn->crtc->id);
}
wlr_output_state_finish(&state);
}
static void realloc_crtcs(struct wlr_drm_backend *drm,

9
backend/wayland/output.c
View file

@ -703,12 +703,11 @@ static void xdg_toplevel_handle_configure(void *data,
return;
}
struct wlr_output_state state = {
.committed = WLR_OUTPUT_STATE_MODE,
.mode_type = WLR_OUTPUT_STATE_MODE_CUSTOM,
.custom_mode = { .width = width, .height = height },
};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_custom_mode(&state, width, height, 0);
wlr_output_send_request_state(&output->wlr_output, &state);
wlr_output_state_finish(&state);
}
static void xdg_toplevel_handle_close(void *data,

9
backend/x11/output.c
View file

@ -623,12 +623,11 @@ void handle_x11_configure_notify(struct wlr_x11_output *output,
return;
}
struct wlr_output_state state = {
.committed = WLR_OUTPUT_STATE_MODE,
.mode_type = WLR_OUTPUT_STATE_MODE_CUSTOM,
.custom_mode = { .width = ev->width, .height = ev->height },
};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_custom_mode(&state, ev->width, ev->height, 0);
wlr_output_send_request_state(&output->wlr_output, &state);
wlr_output_state_finish(&state);
}
bool wlr_output_is_x11(struct wlr_output *wlr_output) {

6
examples/fullscreen-shell.c
View file

@ -89,7 +89,8 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
int width, height;
wlr_output_effective_resolution(output->wlr_output, &width, &height);
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(output->wlr_output, &state, NULL,
NULL);
if (pass == NULL) {
@ -166,7 +167,8 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(wlr_output, &state);
wlr_output_state_finish(&state);

6
examples/output-layers.c
View file

@ -82,7 +82,8 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
};
}
struct wlr_output_state output_state = {0};
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
wlr_output_state_set_layers(&output_state, layers_arr.data,
layers_arr.size / sizeof(struct wlr_output_layer_state));
@ -175,7 +176,8 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(wlr_output, &state);
wlr_output_state_finish(&state);

6
examples/output-layout.c
View file

@ -114,7 +114,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
struct sample_state *sample = output->sample;
struct wlr_output *wlr_output = output->output;
struct wlr_output_state output_state = {0};
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &output_state, NULL, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
@ -178,7 +179,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(output, &state);
wlr_output_state_finish(&state);

6
examples/pointer.c
View file

@ -101,7 +101,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
struct wlr_renderer *renderer = state->renderer;
assert(renderer);
struct wlr_output_state output_state = {0};
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &output_state, NULL, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
@ -280,7 +281,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(output, &state);
wlr_output_state_finish(&state);

6
examples/rotation.c
View file

@ -59,7 +59,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
int32_t width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
struct wlr_output_state output_state = {0};
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &output_state, NULL, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
@ -122,7 +123,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
sample_output->x_offs = sample_output->y_offs = 0;
sample_output->x_vel = sample_output->y_vel = 128;
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_transform(&state, sample->transform);
sample_output->output = output;

3
examples/scene-graph.c
View file

@ -83,7 +83,8 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(wlr_output, &state);
wlr_output_state_finish(&state);

6
examples/simple.c
View file

@ -62,7 +62,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
sample->dec = inc;
}
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &state, NULL, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
@ -107,7 +108,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(sample_output->output, &state);
wlr_output_state_finish(&state);

6
examples/tablet.c
View file

@ -87,7 +87,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
int32_t width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
struct wlr_output_state output_state = {0};
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &output_state, NULL, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
@ -285,7 +286,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(output, &state);
wlr_output_state_finish(&state);

6
examples/touch.c
View file

@ -76,7 +76,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
int32_t width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
struct wlr_output_state output_state = {0};
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &output_state, NULL, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
.box = { .width = width, .height = height },
@ -184,7 +185,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_commit_state(output, &state);
wlr_output_state_finish(&state);

8
include/wlr/types/wlr_output.h
View file

@ -88,10 +88,8 @@ struct wlr_output_state {
uint32_t render_format;
enum wl_output_subpixel subpixel;
// only valid if WLR_OUTPUT_STATE_BUFFER
struct wlr_buffer *buffer;
// only valid if WLR_OUTPUT_STATE_MODE
enum wlr_output_state_mode_type mode_type;
struct wlr_output_mode *mode;
struct {
@ -99,11 +97,9 @@ struct wlr_output_state {
int32_t refresh; // mHz, may be zero
} custom_mode;
// only valid if WLR_OUTPUT_STATE_GAMMA_LUT
uint16_t *gamma_lut;
size_t gamma_lut_size;
// only valid if WLR_OUTPUT_STATE_LAYERS
struct wlr_output_layer_state *layers;
size_t layers_len;
};
@ -567,6 +563,10 @@ bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
double x, double y);
void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor);
/**
* Initialize an output state.
*/
void wlr_output_state_init(struct wlr_output_state *state);
/**
* Releases all resources associated with an output state.
*/

3
tinywl/tinywl.c
View file

@ -603,7 +603,8 @@ static void server_new_output(struct wl_listener *listener, void *data) {
* would let the user configure it. */
struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output);
if (mode != NULL) {
struct wlr_output_state state = {0};
struct wlr_output_state state;
wlr_output_state_init(&state);
wlr_output_state_set_mode(&state, mode);
wlr_output_state_set_enabled(&state, true);
if (!wlr_output_commit_state(wlr_output, &state)) {

9
types/output/output.c
View file

@ -319,15 +319,10 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
wlr_output_destroy_global(output);
}
static void output_state_init(struct wlr_output_state *state) {
memset(state, 0, sizeof(*state));
pixman_region32_init(&state->damage);
}
static void output_state_move(struct wlr_output_state *dst,
struct wlr_output_state *src) {
*dst = *src;
output_state_init(src);
wlr_output_state_init(src);
}
void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
@ -359,7 +354,7 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
wl_signal_init(&output->events.description);
wl_signal_init(&output->events.request_state);
wl_signal_init(&output->events.destroy);
output_state_init(&output->pending);
wlr_output_state_init(&output->pending);
output->software_cursor_locks = env_parse_bool("WLR_NO_HARDWARE_CURSORS");
if (output->software_cursor_locks) {

63
types/output/state.c
View file

@ -3,20 +3,19 @@
#include <wlr/util/log.h>
#include "types/wlr_output.h"
void wlr_output_state_init(struct wlr_output_state *state) {
*state = (struct wlr_output_state){0};
pixman_region32_init(&state->damage);
}
void wlr_output_state_finish(struct wlr_output_state *state) {
if (state->committed & WLR_OUTPUT_STATE_BUFFER) {
wlr_buffer_unlock(state->buffer);
// struct wlr_buffer is ref'counted, so the pointer may remain valid after
// wlr_buffer_unlock(). Reset the field to NULL to ensure nobody mistakenly
// reads it after output_state_finish().
state->buffer = NULL;
}
if (state->committed & WLR_OUTPUT_STATE_DAMAGE) {
pixman_region32_fini(&state->damage);
}
if (state->committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
free(state->gamma_lut);
}
wlr_buffer_unlock(state->buffer);
// struct wlr_buffer is ref'counted, so the pointer may remain valid after
// wlr_buffer_unlock(). Reset the field to NULL to ensure nobody mistakenly
// reads it after output_state_finish().
state->buffer = NULL;
pixman_region32_fini(&state->damage);
free(state->gamma_lut);
}
void wlr_output_state_set_enabled(struct wlr_output_state *state,
@ -75,23 +74,14 @@ void wlr_output_state_set_subpixel(struct wlr_output_state *state,
void wlr_output_state_set_buffer(struct wlr_output_state *state,
struct wlr_buffer *buffer) {
if (state->committed & WLR_OUTPUT_STATE_BUFFER) {
wlr_buffer_unlock(state->buffer);
}
state->committed |= WLR_OUTPUT_STATE_BUFFER;
wlr_buffer_unlock(state->buffer);
state->buffer = wlr_buffer_lock(buffer);
}
void wlr_output_state_set_damage(struct wlr_output_state *state,
const pixman_region32_t *damage) {
if (state->committed & WLR_OUTPUT_STATE_DAMAGE) {
pixman_region32_fini(&state->damage);
}
state->committed |= WLR_OUTPUT_STATE_DAMAGE;
pixman_region32_init(&state->damage);
pixman_region32_copy(&state->damage, damage);
}
@ -99,11 +89,7 @@ bool wlr_output_state_set_gamma_lut(struct wlr_output_state *state,
size_t ramp_size, const uint16_t *r, const uint16_t *g, const uint16_t *b) {
uint16_t *gamma_lut = NULL;
if (ramp_size > 0) {
if (state->committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
gamma_lut = realloc(state->gamma_lut, 3 * ramp_size * sizeof(uint16_t));
} else {
gamma_lut = malloc(3 * ramp_size * sizeof(uint16_t));
}
gamma_lut = realloc(state->gamma_lut, 3 * ramp_size * sizeof(uint16_t));
if (gamma_lut == NULL) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
return false;
@ -112,9 +98,7 @@ bool wlr_output_state_set_gamma_lut(struct wlr_output_state *state,
memcpy(gamma_lut + ramp_size, g, ramp_size * sizeof(uint16_t));
memcpy(gamma_lut + 2 * ramp_size, b, ramp_size * sizeof(uint16_t));
} else {
if (state->committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
free(state->gamma_lut);
}
free(state->gamma_lut);
}
state->committed |= WLR_OUTPUT_STATE_GAMMA_LUT;
@ -136,6 +120,10 @@ bool wlr_output_state_copy(struct wlr_output_state *dst,
copy.committed &= ~(WLR_OUTPUT_STATE_BUFFER |
WLR_OUTPUT_STATE_DAMAGE |
WLR_OUTPUT_STATE_GAMMA_LUT);
copy.buffer = NULL;
pixman_region32_init(&copy.damage);
copy.gamma_lut = NULL;
copy.gamma_lut_size = 0;
if (src->committed & WLR_OUTPUT_STATE_BUFFER) {
wlr_output_state_set_buffer(&copy, src->buffer);
@ -146,21 +134,18 @@ bool wlr_output_state_copy(struct wlr_output_state *dst,
}
if (src->committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
size_t gamma_buffer_size = 3 * src->gamma_lut_size * sizeof(uint16_t);
copy.gamma_lut = malloc(gamma_buffer_size);
if (!copy.gamma_lut) {
wlr_log_errno(WLR_ERROR, "Allocation failed");
const uint16_t *r = src->gamma_lut;
const uint16_t *g = src->gamma_lut + src->gamma_lut_size;
const uint16_t *b = src->gamma_lut + 2 * src->gamma_lut_size;
if (!wlr_output_state_set_gamma_lut(&copy, src->gamma_lut_size, r, g, b)) {
goto err;
}
copy.committed |= WLR_OUTPUT_STATE_GAMMA_LUT;
memcpy(copy.gamma_lut, src->gamma_lut, gamma_buffer_size);
copy.gamma_lut_size = src->gamma_lut_size;
}
wlr_output_state_finish(dst);
*dst = copy;
return true;
err:
wlr_output_state_finish(&copy);
return false;

3
types/output/swapchain.c
View file

@ -65,8 +65,9 @@ static bool test_swapchain(struct wlr_output *output,
bool wlr_output_configure_primary_swapchain(struct wlr_output *output,
const struct wlr_output_state *state, struct wlr_swapchain **swapchain_ptr) {
const struct wlr_output_state empty_state = {0};
struct wlr_output_state empty_state;
if (state == NULL) {
wlr_output_state_init(&empty_state);
state = &empty_state;
}

25
types/scene/wlr_scene.c
View file

@ -1534,7 +1534,8 @@ static bool scene_buffer_can_consider_direct_scanout(struct wlr_scene_buffer *bu
static bool scene_buffer_try_direct_scanout(struct wlr_scene_buffer *buffer,
struct wlr_scene_output *scene_output, struct wlr_output_state *state) {
struct wlr_output_state pending = {0};
struct wlr_output_state pending;
wlr_output_state_init(&pending);
if (!wlr_output_state_copy(&pending, state)) {
return false;
}
@ -1564,19 +1565,23 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
return true;
}
struct wlr_output_state state = {0};
bool ok = false;
struct wlr_output_state state;
wlr_output_state_init(&state);
if (!wlr_scene_output_build_state(scene_output, &state)) {
return false;
goto out;
}
bool success = wlr_output_commit_state(scene_output->output, &state);
ok = wlr_output_commit_state(scene_output->output, &state);
if (!ok) {
goto out;
}
wlr_damage_ring_rotate(&scene_output->damage_ring);
out:
wlr_output_state_finish(&state);
if (success) {
wlr_damage_ring_rotate(&scene_output->damage_ring);
}
return success;
return ok;
}
bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,