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Clean up resources when plane is reassigned

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This commit is contained in:
Scott Anderson 2017-08-05 21:29:58 +12:00
parent 2f8b5c4448
commit aedfa27d3a
3 changed files with 110 additions and 63 deletions
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162
backend/drm/drm.c
View file

@ -173,6 +173,56 @@ void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) {
gbm_device_destroy(renderer->gbm);
}
static bool wlr_drm_plane_renderer_init(struct wlr_drm_renderer *renderer,
struct wlr_drm_plane *plane, uint32_t width, uint32_t height) {
if (plane->width == width && plane->height == height) {
return true;
}
plane->width = width;
plane->height = height;
plane->gbm = gbm_surface_create(renderer->gbm, width, height,
GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
if (!plane->gbm) {
wlr_log_errno(L_ERROR, "Failed to create GBM surface for plane");
return false;
}
plane->egl = wlr_egl_create_surface(&renderer->egl, plane->gbm);
if (plane->egl == EGL_NO_SURFACE) {
wlr_log(L_ERROR, "Failed to create EGL surface for plane");
return false;
}
return true;
}
static void wlr_drm_plane_renderer_free(struct wlr_drm_renderer *renderer,
struct wlr_drm_plane *plane) {
if (!renderer || !plane)
return;
wlr_log(L_DEBUG, "%s called", __func__);
if (plane->front)
gbm_surface_release_buffer(plane->gbm, plane->front);
if (plane->back)
gbm_surface_release_buffer(plane->gbm, plane->back);
if (plane->egl)
eglDestroySurface(renderer->egl.display, plane->egl);
if (plane->gbm)
gbm_surface_destroy(plane->gbm);
plane->width = 0;
plane->height = 0;
plane->egl = EGL_NO_SURFACE;
plane->gbm = NULL;
plane->front = NULL;
plane->back = NULL;
}
static void free_fb(struct gbm_bo *bo, void *data) {
uint32_t id = (uintptr_t)data;
@ -258,40 +308,6 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
output->pageflip_pending = true;
}
static bool plane_init_renderer(struct wlr_drm_renderer *renderer,
struct wlr_drm_plane *plane, struct wlr_output_mode *mode) {
plane->width = mode->width;
plane->height = mode->height;
plane->gbm = gbm_surface_create(renderer->gbm, mode->width,
mode->height, GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
if (!plane->gbm) {
wlr_log_errno(L_ERROR, "Failed to create GBM surface for plane");
return false;
}
plane->egl = wlr_egl_create_surface(&renderer->egl, plane->gbm);
if (plane->egl == EGL_NO_SURFACE) {
wlr_log(L_ERROR, "Failed to create EGL surface for plane");
return false;
}
return true;
}
static int find_id(const void *item, const void *cmp_to) {
const struct wlr_output_state *output = item;
const uint32_t *id = cmp_to;
if (output->connector < *id) {
return -1;
} else if (output->connector > *id) {
return 1;
} else {
return 0;
}
}
static void wlr_drm_output_enable(struct wlr_output_state *output, bool enable) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
@ -303,11 +319,7 @@ static void wlr_drm_output_enable(struct wlr_output_state *output, bool enable)
drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
DRM_MODE_DPMS_ON);
// Start rendering loop again by drawing a black frame
wlr_drm_output_make_current(output);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
wlr_drm_output_swap_buffers(output);
wlr_drm_output_start_renderer(output);
} else {
drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
DRM_MODE_DPMS_OFF);
@ -343,13 +355,19 @@ static void realloc_planes(struct wlr_backend_state *drm, const uint32_t *crtc_i
continue;
struct wlr_drm_crtc *c = &drm->crtcs[i];
c->planes[type] = &drm->type_planes[type][crtc_res[i]];
struct wlr_drm_plane **old = &c->planes[type];
struct wlr_drm_plane *new = &drm->type_planes[type][crtc_res[i]];
if (*old != new) {
wlr_drm_plane_renderer_free(&drm->renderer, *old);
wlr_drm_plane_renderer_free(&drm->renderer, new);
*old = new;
}
}
}
}
static void realloc_crtcs(struct wlr_backend_state *drm, struct wlr_output_state *output) {
bool handled[drm->outputs->length];
uint32_t crtc[drm->num_crtcs];
uint32_t crtc_res[drm->num_crtcs];
uint32_t possible_crtc[drm->outputs->length];
@ -359,18 +377,15 @@ static void realloc_crtcs(struct wlr_backend_state *drm, struct wlr_output_state
}
memset(possible_crtc, 0, sizeof(possible_crtc));
memset(handled, 0, sizeof(handled));
size_t index;
for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_output_state *o = drm->outputs->items[i];
if (o == output) {
if (o == output)
index = i;
}
if (o->state != WLR_DRM_OUTPUT_CONNECTED) {
if (o->state != WLR_DRM_OUTPUT_CONNECTED)
continue;
}
possible_crtc[i] = o->possible_crtc;
crtc[o->crtc - drm->crtcs] = i;
@ -379,14 +394,22 @@ static void realloc_crtcs(struct wlr_backend_state *drm, struct wlr_output_state
possible_crtc[index] = output->possible_crtc;
match_obj(drm->outputs->length, possible_crtc, drm->num_crtcs, crtc, crtc_res);
realloc_planes(drm, crtc_res);
bool matched = false;
for (size_t i = 0; i < drm->num_crtcs; ++i) {
if (crtc_res[i] == UNMATCHED) {
continue;
// We don't want any of the current monitors to be deactivated.
if (crtc[i] != UNMATCHED && crtc_res[i] == UNMATCHED)
return;
if (crtc_res[i] == index)
matched = true;
}
handled[crtc_res[i]] = true;
// There is no point doing anything if this monitor doesn't get activated
if (!matched)
return;
for (size_t i = 0; i < drm->num_crtcs; ++i) {
if (crtc_res[i] == UNMATCHED)
continue;
if (crtc_res[i] != crtc[i]) {
struct wlr_output_state *o = drm->outputs->items[crtc_res[i]];
@ -394,11 +417,7 @@ static void realloc_crtcs(struct wlr_backend_state *drm, struct wlr_output_state
}
}
for (size_t i = 0; i < drm->outputs->length; ++i) {
if (!handled[i]) {
wlr_drm_output_cleanup(drm->outputs->items[i], false);
}
}
realloc_planes(drm, crtc_res);
}
static bool wlr_drm_output_set_mode(struct wlr_output_state *output,
@ -450,12 +469,24 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output,
output->base->current_mode = mode;
wl_signal_emit(&output->base->events.resolution, output->base);
if (!plane_init_renderer(&drm->renderer, output->crtc->primary, mode)) {
// Since realloc_crtcs can deallocate planes on OTHER outputs,
// we actually need to reinitalise all of them
for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_output_state *output = drm->outputs->items[i];
struct wlr_output_mode *mode = output->base->current_mode;
struct wlr_drm_crtc *crtc = output->crtc;
if (output->state != WLR_DRM_OUTPUT_CONNECTED)
continue;
if (!wlr_drm_plane_renderer_init(&drm->renderer, crtc->primary,
mode->width, mode->height)) {
wlr_log(L_ERROR, "Failed to initalise renderer for plane");
goto error_enc;
}
wlr_drm_output_start_renderer(output);
}
drmModeFreeEncoder(enc);
drmModeFreeConnector(conn);
@ -566,6 +597,19 @@ static struct wlr_output_impl output_impl = {
.swap_buffers = wlr_drm_output_swap_buffers,
};
static int find_id(const void *item, const void *cmp_to) {
const struct wlr_output_state *output = item;
const uint32_t *id = cmp_to;
if (output->connector < *id) {
return -1;
} else if (output->connector > *id) {
return 1;
} else {
return 0;
}
}
static const int32_t subpixel_map[] = {
[DRM_MODE_SUBPIXEL_UNKNOWN] = WL_OUTPUT_SUBPIXEL_UNKNOWN,
[DRM_MODE_SUBPIXEL_HORIZONTAL_RGB] = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB,
@ -742,6 +786,10 @@ void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore) {
restore = false;
}
wlr_drm_plane_renderer_free(renderer, output->crtc->overlay);
wlr_drm_plane_renderer_free(renderer, output->crtc->primary);
wlr_drm_plane_renderer_free(renderer, output->crtc->cursor);
output->crtc = NULL;
output->possible_crtc = 0;
/* Fallthrough */

1
backend/drm/drm.h
View file

@ -148,7 +148,6 @@ struct wlr_output_state {
uint32_t cursor_width, cursor_height;
bool pageflip_pending;
bool cleanup;
};
bool wlr_drm_check_features(struct wlr_backend_state *drm);

2
types/wlr_output.c
View file

@ -206,7 +206,7 @@ bool wlr_output_set_cursor(struct wlr_output *output,
output->cursor.texture = wlr_render_surface_init(output->cursor.renderer);
}
wlr_surface_attach_pixels(output->cursor.texture, WL_SHM_FORMAT_ABGR8888,
wlr_surface_attach_pixels(output->cursor.texture, WL_SHM_FORMAT_ARGB8888,
stride, width, height, buf);
return true;