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Merge pull request #1241 from emersion/output-enable-error-checking

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output: make wlr_output_enable return a bool
This commit is contained in:
Drew DeVault 2018-09-14 21:14:18 -04:00 committed by GitHub
commit df991a55ab
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 16 additions and 10 deletions
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7
backend/drm/drm.c
View file

@ -342,17 +342,17 @@ static void drm_connector_start_renderer(struct wlr_drm_connector *conn) {
} }
} }
void enable_drm_connector(struct wlr_output *output, bool enable) { bool enable_drm_connector(struct wlr_output *output, bool enable) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output; struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
if (conn->state != WLR_DRM_CONN_CONNECTED if (conn->state != WLR_DRM_CONN_CONNECTED
&& conn->state != WLR_DRM_CONN_NEEDS_MODESET) { && conn->state != WLR_DRM_CONN_NEEDS_MODESET) {
return; return false;
} }
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
bool ok = drm->iface->conn_enable(drm, conn, enable); bool ok = drm->iface->conn_enable(drm, conn, enable);
if (!ok) { if (!ok) {
return; return false;
} }
if (enable) { if (enable) {
@ -360,6 +360,7 @@ void enable_drm_connector(struct wlr_output *output, bool enable) {
} }
wlr_output_update_enabled(&conn->output, enable); wlr_output_update_enabled(&conn->output, enable);
return true;
} }
static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in, static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in,

2
include/backend/drm/drm.h
View file

@ -143,6 +143,6 @@ void finish_drm_resources(struct wlr_drm_backend *drm);
void restore_drm_outputs(struct wlr_drm_backend *drm); void restore_drm_outputs(struct wlr_drm_backend *drm);
void scan_drm_connectors(struct wlr_drm_backend *state); void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data); int handle_drm_event(int fd, uint32_t mask, void *data);
void enable_drm_connector(struct wlr_output *output, bool enable); bool enable_drm_connector(struct wlr_output *output, bool enable);
#endif #endif

2
include/wlr/interfaces/wlr_output.h
View file

@ -15,7 +15,7 @@
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output.h>
struct wlr_output_impl { struct wlr_output_impl {
void (*enable)(struct wlr_output *output, bool enable); bool (*enable)(struct wlr_output *output, bool enable);
bool (*set_mode)(struct wlr_output *output, struct wlr_output_mode *mode); bool (*set_mode)(struct wlr_output *output, struct wlr_output_mode *mode);
bool (*set_custom_mode)(struct wlr_output *output, int32_t width, bool (*set_custom_mode)(struct wlr_output *output, int32_t width,
int32_t height, int32_t refresh); int32_t height, int32_t refresh);

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

@ -124,11 +124,15 @@ struct wlr_output_event_swap_buffers {
struct wlr_surface; struct wlr_surface;
void wlr_output_enable(struct wlr_output *output, bool enable); /**
* Enables or disables the output. A disabled output is turned off and doesn't
* emit `frame` events.
*/
bool wlr_output_enable(struct wlr_output *output, bool enable);
void wlr_output_create_global(struct wlr_output *output); void wlr_output_create_global(struct wlr_output *output);
void wlr_output_destroy_global(struct wlr_output *output); void wlr_output_destroy_global(struct wlr_output *output);
/** /**
* Sets the output mode. * Sets the output mode. Enables the output if it's currently disabled.
*/ */
bool wlr_output_set_mode(struct wlr_output *output, bool wlr_output_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode); struct wlr_output_mode *mode);

7
types/wlr_output.c
View file

@ -142,14 +142,15 @@ static void output_update_matrix(struct wlr_output *output) {
output->height, output->transform); output->height, output->transform);
} }
void wlr_output_enable(struct wlr_output *output, bool enable) { bool wlr_output_enable(struct wlr_output *output, bool enable) {
if (output->enabled == enable) { if (output->enabled == enable) {
return; return true;
} }
if (output->impl->enable) { if (output->impl->enable) {
output->impl->enable(output, enable); return output->impl->enable(output, enable);
} }
return false;
} }
bool wlr_output_set_mode(struct wlr_output *output, bool wlr_output_set_mode(struct wlr_output *output,