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backend/drm: introduce drm_plane_pick_render_format 

This is a new helper function to pick a render format suitable for
a plane.

The next commit will use it to initialize the cursor multi-GPU
surface.
This commit is contained in:
Simon Ser 2021-05-31 19:37:16 +02:00
parent e06ea4e84a
commit 01e0f51fad
1 changed files with 61 additions and 54 deletions
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115
backend/drm/renderer.c
View File

@ -191,88 +191,95 @@ static struct wlr_drm_format *create_linear_format(uint32_t format) {
return fmt;
}
bool drm_plane_init_surface(struct wlr_drm_plane *plane,
struct wlr_drm_backend *drm, int32_t width, uint32_t height,
bool with_modifiers) {
uint32_t format = DRM_FORMAT_ARGB8888;
static struct wlr_drm_format *drm_plane_pick_render_format(
struct wlr_drm_plane *plane, struct wlr_drm_renderer *renderer) {
const struct wlr_drm_format_set *render_formats =
wlr_renderer_get_render_formats(renderer->wlr_rend);
if (render_formats == NULL) {
wlr_log(WLR_ERROR, "Failed to get render formats");
return NULL;
}
if (!wlr_drm_format_set_has(&plane->formats, format, DRM_FORMAT_MOD_INVALID)) {
const struct wlr_pixel_format_info *info =
drm_get_pixel_format_info(format);
if (!info) {
wlr_log(WLR_ERROR,
"Failed to fallback on DRM opaque substitute for format "
"0x%"PRIX32, format);
return false;
}
format = info->opaque_substitute;
const struct wlr_drm_format_set *plane_formats = &plane->formats;
uint32_t fmt = DRM_FORMAT_ARGB8888;
if (!wlr_drm_format_set_has(&plane->formats, fmt, DRM_FORMAT_MOD_INVALID)) {
const struct wlr_pixel_format_info *format_info =
drm_get_pixel_format_info(fmt);
assert(format_info != NULL &&
format_info->opaque_substitute != DRM_FORMAT_INVALID);
fmt = format_info->opaque_substitute;
}
const struct wlr_drm_format *render_format =
wlr_drm_format_set_get(render_formats, fmt);
if (render_format == NULL) {
wlr_log(WLR_DEBUG, "Renderer doesn't support format 0x%"PRIX32, fmt);
return NULL;
}
const struct wlr_drm_format *plane_format =
wlr_drm_format_set_get(&plane->formats, format);
wlr_drm_format_set_get(plane_formats, fmt);
if (plane_format == NULL) {
wlr_log(WLR_ERROR, "Plane %"PRIu32" doesn't support format 0x%"PRIX32,
plane->id, format);
return false;
wlr_log(WLR_DEBUG, "Plane %"PRIu32" doesn't support format 0x%"PRIX32,
plane->id, fmt);
return NULL;
}
const struct wlr_drm_format_set *render_formats =
wlr_renderer_get_render_formats(drm->renderer.wlr_rend);
if (render_formats == NULL) {
wlr_log(WLR_ERROR, "Failed to get render formats");
return false;
}
const struct wlr_drm_format *render_format =
wlr_drm_format_set_get(render_formats, format);
if (render_format == NULL) {
wlr_log(WLR_ERROR, "Renderer doesn't support format 0x%"PRIX32,
format);
return false;
}
struct wlr_drm_format *format_implicit_modifier = NULL;
if (!with_modifiers) {
format_implicit_modifier = wlr_drm_format_create(format);
render_format = format_implicit_modifier;
}
struct wlr_drm_format *drm_format =
struct wlr_drm_format *format =
wlr_drm_format_intersect(plane_format, render_format);
if (drm_format == NULL) {
wlr_log(WLR_ERROR,
"Failed to intersect plane and render formats 0x%"PRIX32,
format);
free(format_implicit_modifier);
if (format == NULL) {
wlr_log(WLR_DEBUG, "Failed to intersect plane and render "
"modifiers for format 0x%"PRIX32, fmt);
return NULL;
}
return format;
}
bool drm_plane_init_surface(struct wlr_drm_plane *plane,
struct wlr_drm_backend *drm, int32_t width, uint32_t height,
bool with_modifiers) {
struct wlr_drm_format *format =
drm_plane_pick_render_format(plane, &drm->renderer);
if (format == NULL) {
wlr_log(WLR_ERROR, "Failed to pick render format for plane %"PRIu32,
plane->id);
return false;
}
if (!with_modifiers) {
struct wlr_drm_format *format_implicit_modifier =
wlr_drm_format_create(format->format);
free(format);
format = format_implicit_modifier;
}
drm_plane_finish_surface(plane);
bool ok = true;
if (!drm->parent) {
ok = init_drm_surface(&plane->surf, &drm->renderer,
width, height, drm_format);
width, height, format);
} else {
struct wlr_drm_format *drm_format_linear = create_linear_format(format);
if (drm_format_linear == NULL) {
free(drm_format);
free(format_implicit_modifier);
struct wlr_drm_format *format_linear = create_linear_format(format->format);
if (format_linear == NULL) {
free(format);
return false;
}
ok = init_drm_surface(&plane->surf, &drm->parent->renderer,
width, height, drm_format_linear);
free(drm_format_linear);
width, height, format_linear);
free(format_linear);
if (ok && !init_drm_surface(&plane->mgpu_surf, &drm->renderer,
width, height, drm_format)) {
width, height, format)) {
finish_drm_surface(&plane->surf);
ok = false;
}
}
free(drm_format);
free(format_implicit_modifier);
free(format);
return ok;
}