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build: make GBM optional

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Now that the DRM backend no longer depends on GBM, we can make it
optional. The GLES2 renderer still depends on it because of our EGL
device selection.

This is useful for compositors with their own renderers, and for
compositors using the Vulkan renderer.
This commit is contained in:
Simon Ser 2022-05-29 14:09:06 +02:00 • committed by Simon Zeni
parent d483dd2f4c
commit bb2946f737
9 changed files with 37 additions and 11 deletions
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9
render/allocator/allocator.c
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@ -3,6 +3,7 @@
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <wlr/config.h>
#include <wlr/interfaces/wlr_buffer.h>
#include <wlr/render/allocator.h>
#include <wlr/util/log.h>
@ -11,10 +12,13 @@
#include "backend/backend.h"
#include "render/allocator/allocator.h"
#include "render/allocator/drm_dumb.h"
#include "render/allocator/gbm.h"
#include "render/allocator/shm.h"
#include "render/wlr_renderer.h"
#if WLR_HAS_GBM_ALLOCATOR
#include "render/allocator/gbm.h"
#endif
void wlr_allocator_init(struct wlr_allocator *alloc,
const struct wlr_allocator_interface *impl, uint32_t buffer_caps) {
assert(impl && impl->destroy && impl->create_buffer);
@ -94,6 +98,8 @@ struct wlr_allocator *allocator_autocreate_with_drm_fd(
uint32_t renderer_caps = renderer_get_render_buffer_caps(renderer);
struct wlr_allocator *alloc = NULL;
#if WLR_HAS_GBM_ALLOCATOR
uint32_t gbm_caps = WLR_BUFFER_CAP_DMABUF;
if ((backend_caps & gbm_caps) && (renderer_caps & gbm_caps)
&& drm_fd >= 0) {
@ -108,6 +114,7 @@ struct wlr_allocator *allocator_autocreate_with_drm_fd(
close(gbm_fd);
wlr_log(WLR_DEBUG, "Failed to create gbm allocator");
}
#endif
uint32_t shm_caps = WLR_BUFFER_CAP_SHM | WLR_BUFFER_CAP_DATA_PTR;
if ((backend_caps & shm_caps) && (renderer_caps & shm_caps)) {