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gl-renderer: use existing gbm_device if possible 

If the renderer uses the EGL_PLATFORM_GBM_KHR, the egl_native_display is already
a gbm_device and the renderer doesn't have to create another device.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
This commit is contained in:
Michael Tretter 2023-09-22 17:22:30 +02:00
parent 14e133e48e
commit 4815259164
1 changed files with 7 additions and 2 deletions
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9
libweston/renderer-gl/gl-renderer.c
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@ -4412,7 +4412,7 @@ gl_renderer_allocator_destroy(struct dmabuf_allocator *allocator)
if (!allocator)
return;
if (allocator->gbm_device)
if (allocator->gbm_device && allocator->has_own_device)
gbm_device_destroy(allocator->gbm_device);
free(allocator);
@ -4424,16 +4424,21 @@ gl_renderer_allocator_create(struct gl_renderer *gr,
{
struct dmabuf_allocator *allocator;
struct gbm_device *gbm = NULL;
bool has_own_device = false;
if (gr->drm_device) {
if (options->egl_platform == EGL_PLATFORM_GBM_KHR)
gbm = options->egl_native_display;
if (!gbm && gr->drm_device) {
int fd = open(gr->drm_device, O_RDWR);
gbm = gbm_create_device(fd);
has_own_device = true;
}
if (!gbm)
return NULL;
allocator = xzalloc(sizeof(*allocator));
allocator->gbm_device = gbm;
allocator->has_own_device = has_own_device;
return allocator;
}