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backend/drm: add basic support for direct scan-out

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emersion 2019-03-29 21:27:12 +02:00 • committed by Drew DeVault
parent 3dec88e455
commit 96d6fde5dc
7 changed files with 105 additions and 7 deletions
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11
backend/drm/util.c
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@ -184,21 +184,18 @@ uint32_t get_fb_for_bo(struct gbm_bo *bo, uint32_t drm_format) {
return id;
}
assert(gbm_bo_get_format(bo) == GBM_FORMAT_ARGB8888);
assert(drm_format == DRM_FORMAT_ARGB8888 ||
drm_format == DRM_FORMAT_XRGB8888);
struct gbm_device *gbm = gbm_bo_get_device(bo);
int fd = gbm_device_get_fd(gbm);
uint32_t width = gbm_bo_get_width(bo);
uint32_t height = gbm_bo_get_height(bo);
uint32_t handles[4] = {gbm_bo_get_handle(bo).u32};
uint32_t pitches[4] = {gbm_bo_get_stride(bo)};
uint32_t strides[4] = {gbm_bo_get_stride(bo)};
uint32_t offsets[4] = {gbm_bo_get_offset(bo, 0)};
uint64_t modifiers[4] = {gbm_bo_get_modifier(bo)};
if (drmModeAddFB2(fd, width, height, drm_format,
handles, pitches, offsets, &id, 0)) {
if (drmModeAddFB2WithModifiers(fd, width, height, drm_format,
handles, strides, offsets, modifiers, &id, DRM_MODE_FB_MODIFIERS)) {
wlr_log_errno(WLR_ERROR, "Unable to add DRM framebuffer");
}