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backend/drm: stop using GBM flags

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gbm_bo_create_with_modifiers doesn't take GBM flags, so our
wlr_gbm_allocator interface doesn't either. We were still internally
using GBM flags in the DRM backend, leading to awkward back-and-forth
conversions.

The only flag passed to drm_plane_init_surface was GBM_BO_USE_LINEAR, so
turn that into a bool to make sure other flags can't be passed in.

Move the "force linear" logic out of init_drm_surface, because the
supplied wlr_drm_format should already contain that information.
This commit is contained in:
Simon Ser 2020-12-09 12:06:42 +01:00 committed by Ilia Bozhinov
parent 525fa6ada0
commit 93cd3a79b2
3 changed files with 27 additions and 24 deletions
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6
backend/drm/drm.c
View file

@ -722,7 +722,7 @@ static bool drm_connector_init_renderer(struct wlr_drm_connector *conn,
modifiers = false;
}
if (!drm_plane_init_surface(plane, drm, width, height, format, 0, modifiers) ||
if (!drm_plane_init_surface(plane, drm, width, height, format, false, modifiers) ||
!drm_connector_pageflip_renderer(conn)) {
if (!modifiers) {
wlr_log(WLR_ERROR, "Failed to initialize renderer "
@ -742,7 +742,7 @@ static bool drm_connector_init_renderer(struct wlr_drm_connector *conn,
crtc->pending.mode = mode;
if (!drm_plane_init_surface(plane, drm, width, height, format,
0, modifiers)) {
false, modifiers)) {
return false;
}
if (!drm_connector_pageflip_renderer(conn)) {
@ -897,7 +897,7 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
h = ret ? 64 : h;
if (!drm_plane_init_surface(plane, drm, w, h,
DRM_FORMAT_ARGB8888, GBM_BO_USE_LINEAR, false)) {
DRM_FORMAT_ARGB8888, true, false)) {
wlr_log(WLR_ERROR, "Cannot allocate cursor resources");
return false;
}

43
backend/drm/renderer.c
View file

@ -66,7 +66,7 @@ void finish_drm_renderer(struct wlr_drm_renderer *renderer) {
static bool init_drm_surface(struct wlr_drm_surface *surf,
struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
const struct wlr_drm_format *drm_format, uint32_t flags) {
const struct wlr_drm_format *drm_format) {
if (surf->width == width && surf->height == height) {
return true;
}
@ -80,22 +80,8 @@ static bool init_drm_surface(struct wlr_drm_surface *surf,
wlr_swapchain_destroy(surf->swapchain);
surf->swapchain = NULL;
struct wlr_drm_format *format_linear = NULL;
if (flags & GBM_BO_USE_LINEAR) {
format_linear = calloc(1, sizeof(struct wlr_drm_format) + sizeof(uint64_t));
if (format_linear == NULL) {
return false;
}
format_linear->format = drm_format->format;
format_linear->len = 1;
format_linear->cap = 1;
format_linear->modifiers[0] = DRM_FORMAT_MOD_LINEAR;
drm_format = format_linear;
}
surf->swapchain = wlr_swapchain_create(&renderer->allocator->base,
width, height, drm_format);
free(format_linear);
if (surf->swapchain == NULL) {
wlr_log(WLR_ERROR, "Failed to create swapchain");
memset(surf, 0, sizeof(*surf));
@ -225,7 +211,7 @@ static uint32_t strip_alpha_channel(uint32_t format) {
bool drm_plane_init_surface(struct wlr_drm_plane *plane,
struct wlr_drm_backend *drm, int32_t width, uint32_t height,
uint32_t format, uint32_t flags, bool with_modifiers) {
uint32_t format, bool force_linear, bool with_modifiers) {
if (!wlr_drm_format_set_has(&plane->formats, format, DRM_FORMAT_MOD_INVALID)) {
format = strip_alpha_channel(format);
}
@ -265,22 +251,39 @@ bool drm_plane_init_surface(struct wlr_drm_plane *plane,
drm_format = wlr_drm_format_dup(&format_no_modifiers);
}
struct wlr_drm_format *drm_format_linear =
calloc(1, sizeof(struct wlr_drm_format) + sizeof(uint64_t));
if (drm_format_linear == NULL) {
free(drm_format);
return false;
}
drm_format_linear->format = drm_format->format;
drm_format_linear->len = 1;
drm_format_linear->cap = 1;
drm_format_linear->modifiers[0] = DRM_FORMAT_MOD_LINEAR;
if (force_linear) {
free(drm_format);
drm_format = wlr_drm_format_dup(drm_format_linear);
}
drm_plane_finish_surface(plane);
bool ok = true;
if (!drm->parent) {
ok = init_drm_surface(&plane->surf, &drm->renderer, width, height,
drm_format, flags | GBM_BO_USE_SCANOUT);
ok = init_drm_surface(&plane->surf, &drm->renderer,
width, height, drm_format);
} else {
ok = init_drm_surface(&plane->surf, &drm->parent->renderer,
width, height, drm_format, flags | GBM_BO_USE_LINEAR);
width, height, drm_format_linear);
if (ok && !init_drm_surface(&plane->mgpu_surf, &drm->renderer,
width, height, drm_format, flags | GBM_BO_USE_SCANOUT)) {
width, height, drm_format)) {
finish_drm_surface(&plane->surf);
ok = false;
}
}
free(drm_format_linear);
free(drm_format);
return ok;

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

@ -61,7 +61,7 @@ struct gbm_bo *drm_fb_acquire(struct wlr_drm_fb *fb, struct wlr_drm_backend *drm
bool drm_plane_init_surface(struct wlr_drm_plane *plane,
struct wlr_drm_backend *drm, int32_t width, uint32_t height,
uint32_t format, uint32_t flags, bool with_modifiers);
uint32_t format, bool force_linear, bool with_modifiers);
void drm_plane_finish_surface(struct wlr_drm_plane *plane);
#endif