render/drm_format_set: add wlr_drm_format_{create,add}
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253f447329
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@ -3,6 +3,8 @@
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#include <wlr/render/drm_format_set.h>
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struct wlr_drm_format *wlr_drm_format_create(uint32_t format);
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bool wlr_drm_format_add(struct wlr_drm_format **fmt_ptr, uint64_t modifier);
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struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format);
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/**
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* Intersect modifiers for two DRM formats.
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@ -60,52 +60,18 @@ bool wlr_drm_format_set_has(const struct wlr_drm_format_set *set,
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bool wlr_drm_format_set_add(struct wlr_drm_format_set *set, uint32_t format,
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uint64_t modifier) {
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assert(format != DRM_FORMAT_INVALID);
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struct wlr_drm_format **ptr = format_set_get_ref(set, format);
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if (ptr) {
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struct wlr_drm_format *fmt = *ptr;
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if (modifier == DRM_FORMAT_MOD_INVALID) {
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return true;
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}
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for (size_t i = 0; i < fmt->len; ++i) {
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if (fmt->modifiers[i] == modifier) {
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return true;
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}
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}
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if (fmt->len == fmt->cap) {
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size_t cap = fmt->cap ? fmt->cap * 2 : 4;
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fmt = realloc(fmt, sizeof(*fmt) + sizeof(fmt->modifiers[0]) * cap);
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if (!fmt) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return false;
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}
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fmt->cap = cap;
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*ptr = fmt;
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}
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fmt->modifiers[fmt->len++] = modifier;
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return true;
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return wlr_drm_format_add(ptr, modifier);
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}
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size_t cap = modifier != DRM_FORMAT_MOD_INVALID ? 4 : 0;
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struct wlr_drm_format *fmt =
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calloc(1, sizeof(*fmt) + sizeof(fmt->modifiers[0]) * cap);
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struct wlr_drm_format *fmt = wlr_drm_format_create(format);
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if (!fmt) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return false;
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}
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fmt->format = format;
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if (cap) {
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fmt->cap = cap;
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fmt->len = 1;
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fmt->modifiers[0] = modifier;
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if (!wlr_drm_format_add(&fmt, modifier)) {
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return false;
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}
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if (set->len == set->cap) {
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@ -127,6 +93,49 @@ bool wlr_drm_format_set_add(struct wlr_drm_format_set *set, uint32_t format,
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return true;
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}
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struct wlr_drm_format *wlr_drm_format_create(uint32_t format) {
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size_t cap = 4;
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struct wlr_drm_format *fmt =
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calloc(1, sizeof(*fmt) + sizeof(fmt->modifiers[0]) * cap);
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if (!fmt) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return NULL;
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}
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fmt->format = format;
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fmt->cap = cap;
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return fmt;
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}
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bool wlr_drm_format_add(struct wlr_drm_format **fmt_ptr, uint64_t modifier) {
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struct wlr_drm_format *fmt = *fmt_ptr;
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if (modifier == DRM_FORMAT_MOD_INVALID) {
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return true;
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}
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for (size_t i = 0; i < fmt->len; ++i) {
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if (fmt->modifiers[i] == modifier) {
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return true;
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}
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}
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if (fmt->len == fmt->cap) {
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size_t cap = fmt->cap ? fmt->cap * 2 : 4;
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fmt = realloc(fmt, sizeof(*fmt) + sizeof(fmt->modifiers[0]) * cap);
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if (!fmt) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return false;
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}
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fmt->cap = cap;
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*fmt_ptr = fmt;
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}
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fmt->modifiers[fmt->len++] = modifier;
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return true;
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}
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struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format) {
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assert(format->len <= format->cap);
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size_t format_size = sizeof(struct wlr_drm_format) +
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