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kms_vaapi: support multiple drm planes (fixes capture on some multi monitor systems)

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dec05eba
2023-05-12 03:49:29 +02:00
parent 25af1c81d0
commit 99dbbd07ab
7 changed files with 356 additions and 149 deletions
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24
kms/client/kms_client.c
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@@ -55,7 +55,7 @@ static int recv_msg_from_server(int server_fd, gsr_kms_response *response) {
response_message.msg_iov = &iov;
response_message.msg_iovlen = 1;
char cmsgbuf[CMSG_SPACE(sizeof(int))];
char cmsgbuf[CMSG_SPACE(sizeof(int) * GSR_KMS_MAX_PLANES)];
memset(cmsgbuf, 0, sizeof(cmsgbuf));
response_message.msg_control = cmsgbuf;
response_message.msg_controllen = sizeof(cmsgbuf);
@@ -64,15 +64,17 @@ static int recv_msg_from_server(int server_fd, gsr_kms_response *response) {
if(res <= 0)
return res;
if(response->result == KMS_RESULT_OK)
response->data.fd.fd = 0;
struct cmsghdr *cmsg = CMSG_FIRSTHDR(&response_message);
if(cmsg) {
if(cmsg->cmsg_type == SCM_RIGHTS) {
int kms_fd = 0;
memcpy(&kms_fd, CMSG_DATA(cmsg), sizeof(int));
response->data.fd.fd = kms_fd;
if(response->num_fds > 0) {
struct cmsghdr *cmsg = CMSG_FIRSTHDR(&response_message);
if(cmsg) {
int *fds = (int*)CMSG_DATA(cmsg);
for(int i = 0; i < response->num_fds; ++i) {
response->fds[i].fd = fds[i];
}
} else {
for(int i = 0; i < response->num_fds; ++i) {
response->fds[i].fd = 0;
}
}
}
@@ -246,7 +248,7 @@ void gsr_kms_client_deinit(gsr_kms_client *self) {
int gsr_kms_client_get_kms(gsr_kms_client *self, gsr_kms_response *response) {
response->result = KMS_RESULT_FAILED_TO_SEND;
strcpy(response->data.err_msg, "failed to send");
strcpy(response->err_msg, "failed to send");
gsr_kms_request request;
request.type = KMS_REQUEST_TYPE_GET_KMS;