wlr_drm_format: Change wlr_drm_format_dup to copy

include/render/drm_format_set.h

@@ -6,7 +6,7 @@
 void wlr_drm_format_init(struct wlr_drm_format *fmt, uint32_t format);
 bool wlr_drm_format_has(const struct wlr_drm_format *fmt, uint64_t modifier);
 bool wlr_drm_format_add(struct wlr_drm_format *fmt, uint64_t modifier);
-struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format);
+bool wlr_drm_format_copy(struct wlr_drm_format *dst, const struct wlr_drm_format *src);
 /**
  * Intersect modifiers for two DRM formats.
  *

include/wlr/render/swapchain.h

@@ -19,7 +19,7 @@ struct wlr_swapchain {
 	struct wlr_allocator *allocator; // NULL if destroyed
 
 	int width, height;
-	struct wlr_drm_format *format;
+	struct wlr_drm_format format;
 
 	struct wlr_swapchain_slot slots[WLR_SWAPCHAIN_CAP];
 

render/drm_format_set.c

@@ -130,26 +130,22 @@ bool wlr_drm_format_add(struct wlr_drm_format *fmt, uint64_t modifier) {
 	return true;
 }
 
-struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format) {
-	assert(format->len <= format->capacity);
+bool wlr_drm_format_copy(struct wlr_drm_format *dst, const struct wlr_drm_format *src) {
+	assert(src->len <= src->capacity);
 
-	uint64_t *modifiers = malloc(sizeof(*format->modifiers) * format->capacity);
+	uint64_t *modifiers = malloc(sizeof(*modifiers) * src->len);
 	if (!modifiers) {
-		return NULL;
+		return false;
 	}
 
-	memcpy(modifiers, format->modifiers, sizeof(*format->modifiers) * format->len);
+	memcpy(modifiers, src->modifiers, sizeof(*modifiers) * src->len);
 
-	struct wlr_drm_format *dst = calloc(1, sizeof(*dst));
-	if (!dst) {
-		return NULL;
-	}
-
-	dst->capacity = format->capacity;
-	dst->len = format->len;
+	wlr_drm_format_finish(dst);
+	dst->capacity = src->len;
+	dst->len = src->len;
+	dst->format = src->format;
 	dst->modifiers = modifiers;
-
-	return dst;
+	return true;
 }
 
 bool wlr_drm_format_set_copy(struct wlr_drm_format_set *dst, const struct wlr_drm_format_set *src) {
@@ -166,7 +162,15 @@ bool wlr_drm_format_set_copy(struct wlr_drm_format_set *dst, const struct wlr_dr
 
 	size_t i;
 	for (i = 0; i < src->len; i++) {
-		out.formats[out.len] = wlr_drm_format_dup(src->formats[i]);
+		struct wlr_drm_format *fmt = calloc(1, sizeof(*fmt));
+		if (!fmt) {
+			wlr_drm_format_set_finish(&out);
+			return false;
+		}
+
+		wlr_drm_format_copy(fmt, src->formats[i]);
+
+		out.formats[out.len] = fmt;
 		if (out.formats[out.len] == NULL) {
 			wlr_drm_format_set_finish(&out);
 			return false;

render/swapchain.c

@@ -26,8 +26,7 @@ struct wlr_swapchain *wlr_swapchain_create(
 	swapchain->width = width;
 	swapchain->height = height;
 
-	swapchain->format = wlr_drm_format_dup(format);
-	if (swapchain->format == NULL) {
+	if (!wlr_drm_format_copy(&swapchain->format, format)) {
 		free(swapchain);
 		return NULL;
 	}
@@ -54,8 +53,7 @@ void wlr_swapchain_destroy(struct wlr_swapchain *swapchain) {
 		slot_reset(&swapchain->slots[i]);
 	}
 	wl_list_remove(&swapchain->allocator_destroy.link);
-	wlr_drm_format_finish(swapchain->format);
-	free(swapchain->format);
+	wlr_drm_format_finish(&swapchain->format);
 	free(swapchain);
 }
 
@@ -107,7 +105,7 @@ struct wlr_buffer *wlr_swapchain_acquire(struct wlr_swapchain *swapchain,
 
 	wlr_log(WLR_DEBUG, "Allocating new swapchain buffer");
 	free_slot->buffer = wlr_allocator_create_buffer(swapchain->allocator,
-		swapchain->width, swapchain->height, swapchain->format);
+		swapchain->width, swapchain->height, &swapchain->format);
 	if (free_slot->buffer == NULL) {
 		wlr_log(WLR_ERROR, "Failed to allocate buffer");
 		return NULL;

types/output/render.c

@@ -210,8 +210,13 @@ struct wlr_drm_format *output_pick_format(struct wlr_output *output,
 		}
 		format = wlr_drm_format_intersect(display_format, render_format);
 	} else {
+		format = calloc(1, sizeof(*format));
+		if (!format) {
+			return false;
+		}
+
 		// The output can display any format
-		format = wlr_drm_format_dup(render_format);
+		wlr_drm_format_copy(format, render_format);
 	}
 
 	if (format == NULL) {

types/output/swapchain.c

@@ -76,7 +76,7 @@ bool wlr_output_configure_primary_swapchain(struct wlr_output *output,
 	struct wlr_swapchain *old_swapchain = *swapchain_ptr;
 	if (old_swapchain != NULL &&
 			old_swapchain->width == width && old_swapchain->height == height &&
-			old_swapchain->format->format == output->render_format) {
+			old_swapchain->format.format == output->render_format) {
 		return true;
 	}