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backend/drm: make drm_fb_acquire return a FB ID

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This commit is contained in:
Simon Ser 2020-12-15 09:53:15 +01:00
parent d09abe86c1
commit 5ee8b12dc3
5 changed files with 36 additions and 44 deletions
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7
backend/drm/atomic.c
View file

@ -135,12 +135,7 @@ static void set_plane_props(struct atomic *atom, struct wlr_drm_backend *drm,
uint32_t id = plane->id;
const union wlr_drm_plane_props *props = &plane->props;
struct wlr_drm_fb *fb = plane_get_next_fb(plane);
struct gbm_bo *bo = drm_fb_acquire(fb, drm, &plane->mgpu_surf);
if (!bo) {
goto error;
}
uint32_t fb_id = get_fb_for_bo(bo, drm->addfb2_modifiers);
uint32_t fb_id = drm_fb_acquire(fb, drm, &plane->mgpu_surf);
if (!fb_id) {
goto error;
}

16
backend/drm/legacy.c
View file

@ -17,12 +17,7 @@ static bool legacy_crtc_commit(struct wlr_drm_backend *drm,
uint32_t fb_id = 0;
if (crtc->pending.active) {
struct wlr_drm_fb *fb = plane_get_next_fb(crtc->primary);
struct gbm_bo *bo = drm_fb_acquire(fb, drm, &crtc->primary->mgpu_surf);
if (!bo) {
return false;
}
fb_id = get_fb_for_bo(bo, drm->addfb2_modifiers);
uint32_t fb_id = drm_fb_acquire(fb, drm, &crtc->primary->mgpu_surf);
if (!fb_id) {
return false;
}
@ -79,14 +74,17 @@ static bool legacy_crtc_commit(struct wlr_drm_backend *drm,
if (cursor != NULL && drm_connector_is_cursor_visible(conn)) {
struct wlr_drm_fb *cursor_fb = plane_get_next_fb(cursor);
struct gbm_bo *cursor_bo =
drm_fb_acquire(cursor_fb, drm, &cursor->mgpu_surf);
if (!cursor_bo) {
if (drm_fb_acquire(cursor_fb, drm, &cursor->mgpu_surf) == 0) {
wlr_drm_conn_log_errno(conn, WLR_DEBUG,
"Failed to acquire cursor FB");
return false;
}
struct gbm_bo *cursor_bo = cursor_fb->bo;
if (cursor_fb->mgpu_bo) {
cursor_bo = cursor_fb->mgpu_bo;
}
if (drmModeSetCursor(drm->fd, crtc->id,
gbm_bo_get_handle(cursor_bo).u32,
cursor->surf.width, cursor->surf.height)) {

36
backend/drm/renderer.c
View file

@ -14,6 +14,7 @@
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include "backend/drm/drm.h"
#include "backend/drm/util.h"
#include "render/drm_format_set.h"
#include "render/gbm_allocator.h"
#include "render/swapchain.h"
@ -248,6 +249,14 @@ void drm_fb_clear(struct wlr_drm_fb *fb) {
return;
}
struct gbm_device *gbm = gbm_bo_get_device(fb->bo);
if (fb->mgpu_bo) {
gbm = gbm_bo_get_device(fb->mgpu_bo);
}
if (drmModeRmFB(gbm_device_get_fd(gbm), fb->id) != 0) {
wlr_log(WLR_ERROR, "drmModeRmFB failed");
}
gbm_bo_destroy(fb->bo);
wlr_buffer_unlock(fb->wlr_buf);
@ -362,19 +371,20 @@ bool drm_surface_render_black_frame(struct wlr_drm_surface *surf) {
return true;
}
struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm,
uint32_t drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm,
struct wlr_drm_surface *mgpu) {
if (fb->id) {
return fb->id;
}
if (!fb->bo) {
wlr_log(WLR_ERROR, "Tried to acquire an FB with a NULL BO");
return NULL;
return 0;
}
if (!drm->parent) {
return fb->bo;
}
if (fb->mgpu_bo) {
return fb->mgpu_bo;
fb->id = get_fb_for_bo(fb->bo, drm->addfb2_modifiers);
return fb->id;
}
/* Perform copy across GPUs */
@ -383,17 +393,17 @@ struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm
struct wlr_dmabuf_attributes attribs = {0};
if (!wlr_buffer_get_dmabuf(fb->wlr_buf, &attribs)) {
return NULL;
return 0;
}
struct wlr_texture *tex = wlr_texture_from_dmabuf(renderer, &attribs);
if (tex == NULL) {
return NULL;
return 0;
}
if (!drm_surface_make_current(mgpu, NULL)) {
wlr_texture_destroy(tex);
return NULL;
return 0;
}
float mat[9];
@ -410,7 +420,7 @@ struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm
};
if (!drm_fb_lock_surface(&mgpu_fb, mgpu)) {
wlr_texture_destroy(tex);
return false;
return 0;
}
wlr_texture_destroy(tex);
@ -418,5 +428,7 @@ struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm
fb->mgpu_bo = mgpu_fb.bo;
fb->mgpu_wlr_buf = mgpu_fb.wlr_buf;
fb->mgpu_surf = mgpu;
return fb->mgpu_bo;
fb->id = get_fb_for_bo(fb->mgpu_bo, drm->addfb2_modifiers);
return fb->id;
}

17
backend/drm/util.c
View file

@ -170,21 +170,7 @@ const char *conn_get_name(uint32_t type_id) {
}
}
static void free_fb(struct gbm_bo *bo, void *data) {
uint32_t id = (uintptr_t)data;
if (id) {
struct gbm_device *gbm = gbm_bo_get_device(bo);
drmModeRmFB(gbm_device_get_fd(gbm), id);
}
}
uint32_t get_fb_for_bo(struct gbm_bo *bo, bool with_modifiers) {
uint32_t id = (uintptr_t)gbm_bo_get_user_data(bo);
if (id) {
return id;
}
struct gbm_device *gbm = gbm_bo_get_device(bo);
int fd = gbm_device_get_fd(gbm);
@ -204,6 +190,7 @@ uint32_t get_fb_for_bo(struct gbm_bo *bo, bool with_modifiers) {
modifiers[i] = gbm_bo_get_modifier(bo);
}
uint32_t id = 0;
if (with_modifiers && gbm_bo_get_modifier(bo) != DRM_FORMAT_MOD_INVALID) {
if (drmModeAddFB2WithModifiers(fd, width, height, format, handles,
strides, offsets, modifiers, &id, DRM_MODE_FB_MODIFIERS)) {
@ -216,8 +203,6 @@ uint32_t get_fb_for_bo(struct gbm_bo *bo, bool with_modifiers) {
}
}
gbm_bo_set_user_data(bo, (void *)(uintptr_t)id, free_fb);
return id;
}

4
include/backend/drm/renderer.h
View file

@ -38,6 +38,8 @@ struct wlr_drm_fb {
struct wlr_drm_surface *mgpu_surf;
struct gbm_bo *mgpu_bo;
struct wlr_buffer *mgpu_wlr_buf;
uint32_t id;
};
bool init_drm_renderer(struct wlr_drm_backend *drm,
@ -55,7 +57,7 @@ bool drm_fb_import_wlr(struct wlr_drm_fb *fb, struct wlr_drm_renderer *renderer,
void drm_fb_move(struct wlr_drm_fb *new, struct wlr_drm_fb *old);
bool drm_surface_render_black_frame(struct wlr_drm_surface *surf);
struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm,
uint32_t drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm,
struct wlr_drm_surface *mgpu);
bool drm_plane_init_surface(struct wlr_drm_plane *plane,