buffer: make enum wlr_buffer_cap public

Custom backends and renderers need to implement
wlr_backend_impl.get_buffer_caps and
wlr_renderer_impl.get_render_buffer_caps. They can't if enum
wlr_buffer_cap isn't made public.

(cherry picked from commit a38baec1f8)

backend/drm/backend.c

@@ -13,7 +13,6 @@
 #include <wlr/util/log.h>
 #include <xf86drm.h>
 #include "backend/drm/drm.h"
-#include "types/wlr_buffer.h"
 #include "util/signal.h"
 
 struct wlr_drm_backend *get_drm_backend_from_backend(

backend/drm/drm.c

@@ -28,7 +28,6 @@
 #include "render/drm_format_set.h"
 #include "render/swapchain.h"
 #include "render/wlr_renderer.h"
-#include "types/wlr_buffer.h"
 #include "util/signal.h"
 
 static const uint32_t SUPPORTED_OUTPUT_STATE =

backend/headless/backend.c

@@ -14,7 +14,6 @@
 #include "render/drm_format_set.h"
 #include "render/gbm_allocator.h"
 #include "render/wlr_renderer.h"
-#include "types/wlr_buffer.h"
 #include "util/signal.h"
 
 struct wlr_headless_backend *headless_backend_from_backend(

backend/wayland/backend.c

@@ -21,7 +21,6 @@
 #include "render/drm_format_set.h"
 #include "render/pixel_format.h"
 #include "render/wlr_renderer.h"
-#include "types/wlr_buffer.h"
 #include "util/signal.h"
 
 #include "drm-client-protocol.h"

backend/wayland/output.c

@@ -19,7 +19,6 @@
 #include "render/pixel_format.h"
 #include "render/swapchain.h"
 #include "render/wlr_renderer.h"
-#include "types/wlr_buffer.h"
 #include "util/signal.h"
 
 #include "linux-dmabuf-unstable-v1-client-protocol.h"

backend/x11/backend.c

@@ -33,7 +33,6 @@
 #include "backend/x11.h"
 #include "render/allocator.h"
 #include "render/drm_format_set.h"
-#include "types/wlr_buffer.h"
 #include "util/signal.h"
 
 // See dri2_format_for_depth in mesa

backend/x11/output.c

@@ -21,7 +21,6 @@
 #include <wlr/util/log.h>
 
 #include "backend/x11.h"
-#include "types/wlr_buffer.h"
 #include "util/signal.h"
 #include "util/time.h"
 

include/types/wlr_buffer.h

@@ -25,18 +25,6 @@ struct wlr_shm_client_buffer {
 struct wlr_shm_client_buffer *shm_client_buffer_create(
 	struct wl_resource *resource);
 
-/**
- * Buffer capabilities.
- *
- * These bits indicate the features supported by a wlr_buffer. There is one bit
- * per function in wlr_buffer_impl.
- */
-enum wlr_buffer_cap {
-	WLR_BUFFER_CAP_DATA_PTR = 1 << 0,
-	WLR_BUFFER_CAP_DMABUF = 1 << 1,
-	WLR_BUFFER_CAP_SHM = 1 << 2,
-};
-
 /**
  * Get a pointer to a region of memory referring to the buffer's underlying
  * storage. The format and stride can be used to interpret the memory region

include/wlr/types/wlr_buffer.h

@@ -33,6 +33,18 @@ struct wlr_buffer_impl {
 	void (*end_data_ptr_access)(struct wlr_buffer *buffer);
 };
 
+/**
+ * Buffer capabilities.
+ *
+ * These bits indicate the features supported by a wlr_buffer. There is one bit
+ * per function in wlr_buffer_impl.
+ */
+enum wlr_buffer_cap {
+	WLR_BUFFER_CAP_DATA_PTR = 1 << 0,
+	WLR_BUFFER_CAP_DMABUF = 1 << 1,
+	WLR_BUFFER_CAP_SHM = 1 << 2,
+};
+
 /**
  * A buffer containing pixel data.
  *

render/allocator.c

@@ -8,7 +8,6 @@
 #include "render/shm_allocator.h"
 #include "render/drm_dumb_allocator.h"
 #include "render/wlr_renderer.h"
-#include "types/wlr_buffer.h"
 
 void wlr_allocator_init(struct wlr_allocator *alloc,
 		const struct wlr_allocator_interface *impl, uint32_t buffer_caps) {

render/drm_dumb_allocator.c

@@ -15,7 +15,6 @@
 
 #include "render/drm_dumb_allocator.h"
 #include "render/pixel_format.h"
-#include "types/wlr_buffer.h"
 
 static const struct wlr_buffer_impl buffer_impl;
 

render/gbm_allocator.c

@@ -7,7 +7,6 @@
 #include <wlr/util/log.h>
 #include <xf86drm.h>
 #include "render/gbm_allocator.h"
-#include "types/wlr_buffer.h"
 
 static const struct wlr_buffer_impl buffer_impl;
 

render/gles2/renderer.c

@@ -17,7 +17,6 @@
 #include <wlr/util/log.h>
 #include "render/gles2.h"
 #include "render/pixel_format.h"
-#include "types/wlr_buffer.h"
 
 static const GLfloat verts[] = {
 	1, 0, // top right

render/shm_allocator.c

@@ -7,7 +7,6 @@
 #include "render/pixel_format.h"
 #include "render/shm_allocator.h"
 #include "util/shm.h"
-#include "types/wlr_buffer.h"
 
 static const struct wlr_buffer_impl buffer_impl;