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Diffstat (limited to 'render')
-rw-r--r--render/egl.c49
1 files changed, 42 insertions, 7 deletions
diff --git a/render/egl.c b/render/egl.c
index 96e48c06..585baaeb 100644
--- a/render/egl.c
+++ b/render/egl.c
@@ -3,6 +3,7 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <stdlib.h>
+#include <drm_fourcc.h>
#include <wlr/render/egl.h>
#include <wlr/util/log.h>
#include "glapi.h"
@@ -382,13 +383,21 @@ EGLImageKHR wlr_egl_create_image_from_wl_drm(struct wlr_egl *egl,
EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_attributes *attributes) {
- if (!egl->exts.image_base_khr) {
+ if (!egl->exts.image_base_khr || !egl->exts.image_dmabuf_import_ext) {
+ wlr_log(WLR_ERROR, "dmabuf import extension not present");
return NULL;
}
bool has_modifier = false;
- if (attributes->modifier != DRM_FORMAT_MOD_INVALID) {
+
+ // we assume the same way we assumed formats without the import_modifiers
+ // extension that mod_linear is supported. The special mod mod_invalid
+ // is sometimes used to signal modifier unawareness which is what we
+ // have here
+ if (attributes->modifier != DRM_FORMAT_MOD_INVALID &&
+ attributes->modifier != DRM_FORMAT_MOD_LINEAR) {
if (!egl->exts.image_dmabuf_import_modifiers_ext) {
+ wlr_log(WLR_ERROR, "dmabuf modifiers extension not present");
return NULL;
}
has_modifier = true;
@@ -460,12 +469,34 @@ EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl,
int **formats) {
- if (!egl->exts.image_dmabuf_import_ext ||
- !egl->exts.image_dmabuf_import_modifiers_ext) {
- wlr_log(WLR_DEBUG, "dmabuf extension not present");
+ if (!egl->exts.image_dmabuf_import_ext) {
+ wlr_log(WLR_DEBUG, "dmabuf import extension not present");
return -1;
}
+ // when we only have the image_dmabuf_import extension we can't query
+ // which formats are supported. These two are on almost always
+ // supported; it's the intended way to just try to create buffers.
+ // Just a guess but better than not supporting dmabufs at all,
+ // given that the modifiers extension isn't supported everywhere.
+ if (!egl->exts.image_dmabuf_import_modifiers_ext) {
+ static const int fallback_formats[] = {
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_XRGB8888,
+ };
+ static unsigned num = sizeof(fallback_formats) /
+ sizeof(fallback_formats[0]);
+
+ *formats = calloc(num, sizeof(int));
+ if (!*formats) {
+ wlr_log_errno(WLR_ERROR, "Allocation failed");
+ return -1;
+ }
+
+ memcpy(*formats, fallback_formats, num * sizeof(**formats));
+ return num;
+ }
+
EGLint num;
if (!eglQueryDmaBufFormatsEXT(egl->display, 0, NULL, &num)) {
wlr_log(WLR_ERROR, "failed to query number of dmabuf formats");
@@ -488,12 +519,16 @@ int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl,
int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl,
int format, uint64_t **modifiers) {
- if (!egl->exts.image_dmabuf_import_ext ||
- !egl->exts.image_dmabuf_import_modifiers_ext) {
+ if (!egl->exts.image_dmabuf_import_ext) {
wlr_log(WLR_DEBUG, "dmabuf extension not present");
return -1;
}
+ if(!egl->exts.image_dmabuf_import_modifiers_ext) {
+ *modifiers = NULL;
+ return 0;
+ }
+
EGLint num;
if (!eglQueryDmaBufModifiersEXT(egl->display, format, 0,
NULL, NULL, &num)) {