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Diffstat (limited to 'backend/drm/drm.c')
-rw-r--r--backend/drm/drm.c181
1 files changed, 94 insertions, 87 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 09db530b..c0cd89af 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -196,13 +196,14 @@ static void free_fb(struct gbm_bo *bo, void *data) {
uint32_t *id = data;
if (id && *id) {
- drmModeRmFB(gbm_bo_get_fd(bo), *id);
+ struct gbm_device *gbm = gbm_bo_get_device(bo);
+ drmModeRmFB(gbm_device_get_fd(gbm), *id);
}
free(id);
}
-static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) {
+static uint32_t get_fb_for_bo(struct gbm_bo *bo) {
uint32_t *id = gbm_bo_get_user_data(bo);
if (id) {
@@ -215,6 +216,9 @@ static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) {
return 0;
}
+ struct gbm_device *gbm = gbm_bo_get_device(bo);
+ int fd = gbm_device_get_fd(gbm);
+
drmModeAddFB(fd, gbm_bo_get_width(bo), gbm_bo_get_height(bo), 24, 32,
gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, id);
@@ -225,26 +229,32 @@ static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) {
static void wlr_drm_output_make_current(struct wlr_output_state *output) {
struct wlr_drm_renderer *renderer = output->renderer;
- eglMakeCurrent(renderer->egl.display, output->egl,
- output->egl, renderer->egl.context);
+ struct wlr_drm_plane *plane = output->crtc->primary;
+
+ eglMakeCurrent(renderer->egl.display, plane->egl,
+ plane->egl, renderer->egl.context);
}
static void wlr_drm_output_swap_buffers(struct wlr_output_state *output) {
struct wlr_drm_renderer *renderer = output->renderer;
+ struct wlr_drm_crtc *crtc = output->crtc;
+ struct wlr_drm_plane *plane = crtc->primary;
- if (!eglSwapBuffers(renderer->egl.display, output->egl)) {
+ if (!eglSwapBuffers(renderer->egl.display, plane->egl)) {
return;
}
- struct gbm_bo *bo = gbm_surface_lock_front_buffer(output->gbm);
+
+ struct gbm_bo *bo = gbm_surface_lock_front_buffer(plane->gbm);
if (!bo) {
return;
}
- uint32_t fb_id = get_fb_for_bo(renderer->fd, bo);
- drmModePageFlip(renderer->fd, output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
+
+ uint32_t fb_id = get_fb_for_bo(bo);
+ drmModePageFlip(renderer->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
output->pageflip_pending = true;
- output->bo[1] = output->bo[0];
- output->bo[0] = bo;
+ plane->front = plane->back;
+ plane->back = bo;
}
void wlr_drm_output_pause_renderer(struct wlr_output_state *output) {
@@ -252,14 +262,17 @@ void wlr_drm_output_pause_renderer(struct wlr_output_state *output) {
return;
}
- if (output->bo[1]) {
- gbm_surface_release_buffer(output->gbm, output->bo[1]);
- output->bo[1] = NULL;
+ struct wlr_drm_plane *plane = output->crtc->primary;
+
+ if (plane->front) {
+ gbm_surface_release_buffer(plane->gbm, plane->front);
+ plane->front = NULL;
}
- if (output->bo[0]) {
- gbm_surface_release_buffer(output->gbm, output->bo[0]);
- output->bo[0] = NULL;
+ if (plane->back) {
+ gbm_surface_release_buffer(plane->gbm, plane->back);
+ plane->back = NULL;
}
+
}
void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
@@ -269,47 +282,52 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
struct wlr_drm_renderer *renderer = output->renderer;
struct wlr_output_mode *mode = output->base->current_mode;
+ struct wlr_drm_crtc *crtc = output->crtc;
+ struct wlr_drm_plane *plane = crtc->primary;
- // Render black frame
- eglMakeCurrent(renderer->egl.display, output->egl, output->egl, renderer->egl.context);
+ eglMakeCurrent(renderer->egl.display, plane->egl, plane->egl, renderer->egl.context);
glViewport(0, 0, output->width, output->height);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
- eglSwapBuffers(renderer->egl.display, output->egl);
+ if (!eglSwapBuffers(renderer->egl.display, plane->egl)) {
+ return;
+ }
- struct gbm_bo *bo = gbm_surface_lock_front_buffer(output->gbm);
- uint32_t fb_id = get_fb_for_bo(renderer->fd, bo);
+ struct gbm_bo *bo = gbm_surface_lock_front_buffer(plane->gbm);
+ if (!bo) {
+ return;
+ }
- drmModeSetCrtc(renderer->fd, output->crtc, fb_id, 0, 0,
- &output->connector, 1, &mode->state->mode);
- drmModePageFlip(renderer->fd, output->crtc, fb_id,
- DRM_MODE_PAGE_FLIP_EVENT, output);
+ uint32_t fb_id = get_fb_for_bo(bo);
+ drmModeSetCrtc(renderer->fd, crtc->id, fb_id, 0, 0,
+ &output->connector, 1, &mode->state->mode);
+ drmModePageFlip(renderer->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
+ output->pageflip_pending = true;
- output->bo[1] = NULL;
- output->bo[0] = bo;
+ plane->back = plane->front;
+ plane->front = bo;
}
-static bool display_init_renderer(struct wlr_drm_renderer *renderer,
- struct wlr_output_state *output) {
- struct wlr_output_mode *mode = output->base->current_mode;
- output->renderer = renderer;
- output->gbm = gbm_surface_create(renderer->gbm, mode->width,
+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 (!output->gbm) {
- wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", output->base->name,
- strerror(errno));
+ if (!plane->gbm) {
+ wlr_log_errno(L_ERROR, "Failed to create GBM surface for plane");
return false;
}
- output->egl = wlr_egl_create_surface(&renderer->egl, output->gbm);
- if (output->egl == EGL_NO_SURFACE) {
- wlr_log(L_ERROR, "Failed to create EGL surface for %s", output->base->name);
+ 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;
}
- wlr_drm_output_start_renderer(output);
return true;
}
@@ -500,37 +518,37 @@ static size_t match_obj(size_t num_objs, const uint32_t objs[static restrict num
}
static void realloc_planes(struct wlr_backend_state *drm, const uint32_t *crtc_in) {
- for (int i = 0; i < 3; ++i) {
- if (drm->num_type_planes[i] == 0)
+ // overlay, primary, cursor
+ for (int type = 0; type < 3; ++type) {
+ if (drm->num_type_planes[type] == 0)
continue;
- uint32_t possible[drm->num_type_planes[i]];
+ uint32_t possible[drm->num_type_planes[type]];
uint32_t crtc[drm->num_crtcs];
uint32_t crtc_res[drm->num_crtcs];
- for (size_t j = 0; j < drm->num_type_planes[i]; ++j)
- possible[j] = drm->type_planes[i][j].possible_crtcs;
-
- for (size_t j = 0; j < drm->num_crtcs; ++j) {
- if (crtc_in[j] == UNMATCHED) {
- crtc[j] = SKIP;
- continue;
- }
+ for (size_t i = 0; i < drm->num_type_planes[type]; ++i)
+ possible[i] = drm->type_planes[type][i].possible_crtcs;
- if (drm->crtcs[j].planes[j]) {
- crtc[j] = drm->crtcs[j].planes[i] - drm->type_planes[i];
- } else {
- crtc[j] = UNMATCHED;
- }
+ for (size_t i = 0; i < drm->num_crtcs; ++i) {
+ if (crtc_in[i] == UNMATCHED)
+ crtc[i] = SKIP;
+ else if (drm->crtcs[i].planes[type])
+ crtc[i] = drm->crtcs[i].planes[type] - drm->type_planes[type];
+ else
+ crtc[i] = UNMATCHED;
}
- match_obj(drm->num_type_planes[i], possible, drm->num_crtcs, crtc, crtc_res);
+ match_obj(drm->num_type_planes[type], possible, drm->num_crtcs, crtc, crtc_res);
+
+ for (size_t i = 0; i < drm->num_crtcs; ++i) {
+ if (crtc_res[i] == UNMATCHED || crtc_res[i] == SKIP)
+ continue;
- for (size_t j = 0; j < drm->num_crtcs; ++j) {
- struct wlr_drm_crtc *c = &drm->crtcs[j];
- c->planes[i] = &drm->type_planes[i][crtc_res[j]];
+ struct wlr_drm_crtc *c = &drm->crtcs[i];
+ c->planes[type] = &drm->type_planes[type][crtc_res[i]];
}
- };
+ }
}
static void realloc_crtcs(struct wlr_backend_state *drm, struct wlr_output_state *output) {
@@ -558,7 +576,7 @@ static void realloc_crtcs(struct wlr_backend_state *drm, struct wlr_output_state
}
possible_crtc[i] = o->possible_crtc;
- crtc[o->crtc_ - drm->crtcs] = i;
+ crtc[o->crtc - drm->crtcs] = i;
}
possible_crtc[index] = output->possible_crtc;
@@ -575,8 +593,7 @@ static void realloc_crtcs(struct wlr_backend_state *drm, struct wlr_output_state
if (crtc_res[i] != crtc[i]) {
struct wlr_output_state *o = drm->outputs->items[crtc_res[i]];
- o->crtc_ = &drm->crtcs[i];
- o->crtc = o->crtc_->id;
+ o->crtc = &drm->crtcs[i];
}
}
@@ -618,12 +635,12 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output,
output->possible_crtc = enc->possible_crtcs;
realloc_crtcs(drm, output);
- if (!output->crtc_) {
+ if (!output->crtc) {
wlr_log(L_ERROR, "Unable to match %s with a CRTC", output->base->name);
goto error_enc;
}
- struct wlr_drm_crtc *crtc = output->crtc_;
+ struct wlr_drm_crtc *crtc = output->crtc;
wlr_log(L_DEBUG, "%s: crtc=%ju ovr=%jd pri=%jd cur=%jd", output->base->name,
crtc - drm->crtcs,
crtc->overlay ? crtc->overlay - drm->overlay_planes : -1,
@@ -636,11 +653,13 @@ 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 (!display_init_renderer(&drm->renderer, output)) {
- wlr_log(L_ERROR, "Failed to initalise renderer for %s", output->base->name);
+ if (!plane_init_renderer(&drm->renderer, output->crtc->primary, mode)) {
+ wlr_log(L_ERROR, "Failed to initalise renderer for plane");
goto error_enc;
}
+ wlr_drm_output_start_renderer(output);
+
drmModeFreeEncoder(enc);
drmModeFreeConnector(conn);
return true;
@@ -663,7 +682,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
struct wlr_backend_state *state = wl_container_of(output->renderer, state, renderer);
if (!buf) {
- drmModeSetCursor(state->fd, output->crtc, 0, 0, 0);
+ drmModeSetCursor(state->fd, output->crtc->id, 0, 0, 0);
return true;
}
@@ -719,7 +738,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
}
uint32_t bo_handle = gbm_bo_get_handle(bo).u32;
- if (drmModeSetCursor(state->fd, output->crtc, bo_handle, bo_width, bo_height)) {
+ if (drmModeSetCursor(state->fd, output->crtc->id, bo_handle, bo_width, bo_height)) {
wlr_log_errno(L_INFO, "Failed to set hardware cursor");
return false;
}
@@ -731,7 +750,7 @@ static bool wlr_drm_output_move_cursor(struct wlr_output_state *output,
int x, int y) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
- return !drmModeMoveCursor(state->fd, output->crtc, x, y);
+ return !drmModeMoveCursor(state->fd, output->crtc->id, x, y);
}
static void wlr_drm_output_destroy(struct wlr_output_state *output) {
@@ -978,9 +997,10 @@ static void page_flip_handler(int fd, unsigned seq,
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
- if (output->gbm && output->bo[1]) {
- gbm_surface_release_buffer(output->gbm, output->bo[1]);
- output->bo[1] = NULL;
+ struct wlr_drm_plane *plane = output->crtc->primary;
+ if (plane->front) {
+ gbm_surface_release_buffer(plane->gbm, plane->front);
+ plane->front = NULL;
}
output->pageflip_pending = false;
@@ -1031,20 +1051,7 @@ void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore) {
restore = false;
}
- if (output->bo[0]) {
- gbm_surface_release_buffer(output->gbm, output->bo[0]);
- output->bo[0] = NULL;
- }
- if (output->bo[1]) {
- gbm_surface_release_buffer(output->gbm, output->bo[1]);
- output->bo[1] = NULL;
- }
-
- eglDestroySurface(renderer->egl.display, output->egl);
- gbm_surface_destroy(output->gbm);
- output->egl = EGL_NO_SURFACE;
- output->gbm = NULL;
- output->crtc_ = NULL;
+ output->crtc = NULL;
output->possible_crtc = 0;
/* Fallthrough */
case WLR_DRM_OUTPUT_NEEDS_MODESET:
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-07 22:27:24 +0000