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backend/drm: add support for multiplanar BOs

This commit is contained in:
Simon Ser 2019-05-26 17:45:21 +03:00 committed by Drew DeVault
parent e8057bb60c
commit d201fc3506
1 changed files with 12 additions and 4 deletions
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16
backend/drm/util.c
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@ -190,12 +190,20 @@ uint32_t get_fb_for_bo(struct gbm_bo *bo, uint32_t drm_format,
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 strides[4] = {gbm_bo_get_stride(bo)};
uint32_t offsets[4] = {gbm_bo_get_offset(bo, 0)};
uint32_t handles[4] = {0};
uint32_t strides[4] = {0};
uint32_t offsets[4] = {0};
uint64_t modifiers[4] = {0};
for (int i = 0; i < gbm_bo_get_plane_count(bo); i++) {
handles[i] = gbm_bo_get_handle_for_plane(bo, i).u32;
strides[i] = gbm_bo_get_stride_for_plane(bo, i);
offsets[i] = gbm_bo_get_offset(bo, i);
// KMS requires all BO planes to have the same modifier
modifiers[i] = gbm_bo_get_modifier(bo);
}
if (with_modifiers && gbm_bo_get_modifier(bo) != DRM_FORMAT_MOD_INVALID) {
uint64_t modifiers[4] = {gbm_bo_get_modifier(bo)};
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");