render/texture: constify wlr_texture_update_from_buffer()

include/wlr/render/interface.h

@@ -55,7 +55,7 @@ void wlr_renderer_init(struct wlr_renderer *renderer,
 
 struct wlr_texture_impl {
 	bool (*update_from_buffer)(struct wlr_texture *texture,
-		struct wlr_buffer *buffer, pixman_region32_t *damage);
+		struct wlr_buffer *buffer, const pixman_region32_t *damage);
 	void (*destroy)(struct wlr_texture *texture);
 };
 

include/wlr/render/wlr_texture.h

@@ -48,7 +48,7 @@ struct wlr_texture *wlr_texture_from_dmabuf(struct wlr_renderer *renderer,
   * region needs to be updated.
   */
 bool wlr_texture_update_from_buffer(struct wlr_texture *texture,
-	struct wlr_buffer *buffer, pixman_region32_t *damage);
+	struct wlr_buffer *buffer, const pixman_region32_t *damage);
 
 /**
  * Destroys the texture.

render/gles2/texture.c

@@ -44,7 +44,7 @@ static bool check_stride(const struct wlr_pixel_format_info *fmt,
 }
 
 static bool gles2_texture_update_from_buffer(struct wlr_texture *wlr_texture,
-		struct wlr_buffer *buffer, pixman_region32_t *damage) {
+		struct wlr_buffer *buffer, const pixman_region32_t *damage) {
 	struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
 
 	if (texture->target != GL_TEXTURE_2D || texture->image != EGL_NO_IMAGE_KHR) {
@@ -86,7 +86,7 @@ static bool gles2_texture_update_from_buffer(struct wlr_texture *wlr_texture,
 	glBindTexture(GL_TEXTURE_2D, texture->tex);
 
 	int rects_len = 0;
-	pixman_box32_t *rects = pixman_region32_rectangles(damage, &rects_len);
+	const pixman_box32_t *rects = pixman_region32_rectangles(damage, &rects_len);
 
 	for (int i = 0; i < rects_len; i++) {
 		pixman_box32_t rect = rects[i];

render/vulkan/texture.c

@@ -137,7 +137,7 @@ static bool write_pixels(struct wlr_vk_texture *texture,
 }
 
 static bool vulkan_texture_update_from_buffer(struct wlr_texture *wlr_texture,
-		struct wlr_buffer *buffer, pixman_region32_t *damage) {
+		struct wlr_buffer *buffer, const pixman_region32_t *damage) {
 	struct wlr_vk_texture *texture = vulkan_get_texture(wlr_texture);
 
 	void *data;
@@ -156,7 +156,7 @@ static bool vulkan_texture_update_from_buffer(struct wlr_texture *wlr_texture,
 	}
 
 	int rects_len = 0;
-	pixman_box32_t *rects = pixman_region32_rectangles(damage, &rects_len);
+	const pixman_box32_t *rects = pixman_region32_rectangles(damage, &rects_len);
 
 	for (int i = 0; i < rects_len; i++) {
 		pixman_box32_t rect = rects[i];

render/wlr_texture.c

@@ -72,7 +72,7 @@ struct wlr_texture *wlr_texture_from_buffer(struct wlr_renderer *renderer,
 }
 
 bool wlr_texture_update_from_buffer(struct wlr_texture *texture,
-		struct wlr_buffer *buffer, pixman_region32_t *damage) {
+		struct wlr_buffer *buffer, const pixman_region32_t *damage) {
 	if (!texture->impl->update_from_buffer) {
 		return false;
 	}