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This commit is contained in:
JerryXiao 2023-04-26 18:05:34 +08:00
parent 5ac11fa291
commit cccef01505
Signed by: Jerry
GPG key ID: 22618F758B5BE2E5
1 changed files with 279 additions and 208 deletions
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265
server.c
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@ -13,33 +13,37 @@
#include <xkbcommon/xkbcommon.h> #include <xkbcommon/xkbcommon.h>
#include <math.h> #include <math.h>
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#define FPS 10 #define FPS 10
#define UINPUT_ABS_MAX INT16_MAX #define UINPUT_ABS_MAX INT16_MAX
#define UINPUT_MAX_KEY 256 #define UINPUT_MAX_KEY 256
struct Vec2d { struct Vec2d
{
int x; int x;
int y; int y;
}; };
struct Vec2d resolution; struct Vec2d resolution;
#define SLEEPNS (1000000000 / FPS) #define SLEEPNS (1000000000 / FPS)
static void between_frames() { static void between_frames()
{
static struct timespec now = {0, 0}, then = {0, 0}, tmp = {0, 0}; static struct timespec now = {0, 0}, then = {0, 0}, tmp = {0, 0};
clock_gettime(CLOCK_MONOTONIC, &now); clock_gettime(CLOCK_MONOTONIC, &now);
memcpy((char *)&then, (char *)&tmp, sizeof(struct timespec)); memcpy((char *)&then, (char *)&tmp, sizeof(struct timespec));
tmp.tv_nsec += SLEEPNS; tmp.tv_nsec += SLEEPNS;
if (tmp.tv_nsec >= 1000000000) { if (tmp.tv_nsec >= 1000000000)
{
tmp.tv_sec++; tmp.tv_sec++;
tmp.tv_nsec %= 1000000000; tmp.tv_nsec %= 1000000000;
} }
if (now.tv_sec < tmp.tv_sec || (now.tv_sec == tmp.tv_sec && now.tv_nsec < tmp.tv_nsec)) { if (now.tv_sec < tmp.tv_sec || (now.tv_sec == tmp.tv_sec && now.tv_nsec < tmp.tv_nsec))
{
then.tv_sec = tmp.tv_sec - now.tv_sec; then.tv_sec = tmp.tv_sec - now.tv_sec;
then.tv_nsec = tmp.tv_nsec - now.tv_nsec; then.tv_nsec = tmp.tv_nsec - now.tv_nsec;
if (then.tv_nsec < 0) { if (then.tv_nsec < 0)
{
then.tv_sec--; then.tv_sec--;
then.tv_nsec += 1000000000; then.tv_nsec += 1000000000;
} }
@ -48,7 +52,8 @@ static void between_frames() {
memcpy((char *)&now, (char *)&then, sizeof(struct timespec)); memcpy((char *)&now, (char *)&then, sizeof(struct timespec));
} }
static void convert_bgrx_to_rgb(const char* in, int width, int height, char* buff) { static void convert_bgrx_to_rgb(const char *in, int width, int height, char *buff)
{
for (int y = 0; y < height; y++) for (int y = 0; y < height; y++)
{ {
for (int x = 0; x < width; x++) for (int x = 0; x < width; x++)
@ -64,28 +69,36 @@ char *kms_convert_buf = NULL;
size_t kms_convert_buf_len = 0; size_t kms_convert_buf_len = 0;
char *kms_cpy_tmp_buf = NULL; char *kms_cpy_tmp_buf = NULL;
size_t kms_cpy_tmp_buf_len = 0; size_t kms_cpy_tmp_buf_len = 0;
static inline void convert_kmsbuf(const int XSTRIPE, const int YSTRIPE, const char* in, int width, int height, char* buff) { static inline void convert_kmsbuf(const int XSTRIPE, const int YSTRIPE, const char *in, int width, int height, char *buff)
if (width % XSTRIPE) { {
if (width % XSTRIPE)
{
return; return;
} }
if (height % YSTRIPE) { if (height % YSTRIPE)
{
int sno = (width / XSTRIPE) + (height / YSTRIPE) * (width / XSTRIPE); int sno = (width / XSTRIPE) + (height / YSTRIPE) * (width / XSTRIPE);
int ord = (width % XSTRIPE) + (height % YSTRIPE) * XSTRIPE; int ord = (width % XSTRIPE) + (height % YSTRIPE) * XSTRIPE;
int max_offset = sno * XSTRIPE * YSTRIPE + ord; int max_offset = sno * XSTRIPE * YSTRIPE + ord;
if (kms_cpy_tmp_buf_len < max_offset*4+4) { if (kms_cpy_tmp_buf_len < max_offset * 4 + 4)
if (kms_cpy_tmp_buf) free(kms_convert_buf); {
if (kms_cpy_tmp_buf)
free(kms_convert_buf);
kms_cpy_tmp_buf = malloc(max_offset * 4 + 4); kms_cpy_tmp_buf = malloc(max_offset * 4 + 4);
kms_cpy_tmp_buf_len = max_offset * 4 + 4; kms_cpy_tmp_buf_len = max_offset * 4 + 4;
} }
memcpy(kms_cpy_tmp_buf, in, max_offset * 4 + 4); memcpy(kms_cpy_tmp_buf, in, max_offset * 4 + 4);
in = (const char *)kms_cpy_tmp_buf; in = (const char *)kms_cpy_tmp_buf;
} }
if (kms_convert_buf_len < width * height * 4) { if (kms_convert_buf_len < width * height * 4)
if (kms_convert_buf) free(kms_convert_buf); {
if (kms_convert_buf)
free(kms_convert_buf);
kms_convert_buf = malloc(width * height * 4); kms_convert_buf = malloc(width * height * 4);
kms_convert_buf_len = width * height * 4; kms_convert_buf_len = width * height * 4;
} }
for (int y = 0; y < height; y++) { for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++) for (int x = 0; x < width; x++)
{ {
int sno = (x / XSTRIPE) + (y / YSTRIPE) * (width / XSTRIPE); int sno = (x / XSTRIPE) + (y / YSTRIPE) * (width / XSTRIPE);
@ -102,20 +115,24 @@ static inline void convert_kmsbuf(const int XSTRIPE, const int YSTRIPE, const ch
#define XSTRIPE_NVIDIA 16 #define XSTRIPE_NVIDIA 16
#define YSTRIPE_NVIDIA 128 #define YSTRIPE_NVIDIA 128
static void convert_nvidia_kmsbuf(const char* in, int width, int height, char* buff) { static void convert_nvidia_kmsbuf(const char *in, int width, int height, char *buff)
{
convert_kmsbuf(XSTRIPE_NVIDIA, YSTRIPE_NVIDIA, in, width, height, buff); convert_kmsbuf(XSTRIPE_NVIDIA, YSTRIPE_NVIDIA, in, width, height, buff);
} }
static void convert_intel_kmsbuf(const char* in, int width, int height, char* buff) { static void convert_intel_kmsbuf(const char *in, int width, int height, char *buff)
{
convert_kmsbuf(XSTRIPE_INTEL, YSTRIPE_INTEL, in, width, height, buff); convert_kmsbuf(XSTRIPE_INTEL, YSTRIPE_INTEL, in, width, height, buff);
} }
struct vnc_drm_attr { struct vnc_drm_attr
{
void (*sync_start)(int); void (*sync_start)(int);
void (*sync_end)(int); void (*sync_end)(int);
void (*convert)(const char *, int, int, char *); void (*convert)(const char *, int, int, char *);
}; };
static inline void drm_sync(int drmfd, uint64_t flags) { static inline void drm_sync(int drmfd, uint64_t flags)
{
int ioctl_err; int ioctl_err;
struct dma_buf_sync sync = { struct dma_buf_sync sync = {
.flags = flags, .flags = flags,
@ -123,16 +140,20 @@ static inline void drm_sync(int drmfd, uint64_t flags) {
if (ioctl_err = ioctl(drmfd, DMA_BUF_IOCTL_SYNC, &sync)) if (ioctl_err = ioctl(drmfd, DMA_BUF_IOCTL_SYNC, &sync))
fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__); fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__);
} }
static void drm_sync_start(int drmfd) { static void drm_sync_start(int drmfd)
{
drm_sync(drmfd, DMA_BUF_SYNC_START | DMA_BUF_SYNC_READ); drm_sync(drmfd, DMA_BUF_SYNC_START | DMA_BUF_SYNC_READ);
} }
static void drm_sync_end(int drmfd) { static void drm_sync_end(int drmfd)
{
drm_sync(drmfd, DMA_BUF_SYNC_END | DMA_BUF_SYNC_READ); drm_sync(drmfd, DMA_BUF_SYNC_END | DMA_BUF_SYNC_READ);
} }
static void drm_sync_noop(int drmfd) { static void drm_sync_noop(int drmfd)
{
} }
struct vnc_xkb { struct vnc_xkb
{
struct xkb_context *ctx; struct xkb_context *ctx;
struct xkb_keymap *map; struct xkb_keymap *map;
}; };
@ -140,9 +161,11 @@ struct vnc_xkb xkb;
int uinput_fd = 0; int uinput_fd = 0;
char keystate[UINPUT_MAX_KEY]; char keystate[UINPUT_MAX_KEY];
static void xkb_init() { static void xkb_init()
{
xkb.ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS); xkb.ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (xkb.ctx == NULL) { if (xkb.ctx == NULL)
{
fprintf(stderr, "Failed to create XKB context\n"); fprintf(stderr, "Failed to create XKB context\n");
exit(1); exit(1);
} }
@ -151,30 +174,32 @@ static void xkb_init() {
.model = "", .model = "",
.layout = "us", .layout = "us",
.variant = "", .variant = "",
.options = "" .options = ""};
};
xkb.map = xkb_keymap_new_from_names(xkb.ctx, &names, 0); xkb.map = xkb_keymap_new_from_names(xkb.ctx, &names, 0);
if (xkb.map == NULL) { if (xkb.map == NULL)
{
fprintf(stderr, "Failed to create XKB map\n"); fprintf(stderr, "Failed to create XKB map\n");
exit(1); exit(1);
} }
// printf("xkb: keymap = %s\n", xkb_keymap_get_as_string(xkb.map, XKB_KEYMAP_USE_ORIGINAL_FORMAT)); // printf("xkb: keymap = %s\n", xkb_keymap_get_as_string(xkb.map, XKB_KEYMAP_USE_ORIGINAL_FORMAT));
} }
static void uinput_init() { static void uinput_init()
{
struct uinput_setup usetup; struct uinput_setup usetup;
uinput_fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK); uinput_fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
if (uinput_fd <= 0) { if (uinput_fd <= 0)
{
fprintf(stderr, "Failed to open uinput\n"); fprintf(stderr, "Failed to open uinput\n");
exit(1); exit(1);
} }
ioctl(uinput_fd, UI_SET_EVBIT, EV_KEY); ioctl(uinput_fd, UI_SET_EVBIT, EV_KEY);
ioctl(uinput_fd, UI_SET_EVBIT, EV_SYN); ioctl(uinput_fd, UI_SET_EVBIT, EV_SYN);
for (int i = 0; i < UINPUT_MAX_KEY; i++) { for (int i = 0; i < UINPUT_MAX_KEY; i++)
{
ioctl(uinput_fd, UI_SET_KEYBIT, i); ioctl(uinput_fd, UI_SET_KEYBIT, i);
} }
ioctl(uinput_fd, UI_SET_EVBIT, EV_ABS); ioctl(uinput_fd, UI_SET_EVBIT, EV_ABS);
ioctl(uinput_fd, UI_SET_ABSBIT, ABS_X); ioctl(uinput_fd, UI_SET_ABSBIT, ABS_X);
ioctl(uinput_fd, UI_SET_ABSBIT, ABS_Y); ioctl(uinput_fd, UI_SET_ABSBIT, ABS_Y);
@ -206,24 +231,30 @@ static void uinput_init() {
memset(keystate, 0, UINPUT_MAX_KEY); memset(keystate, 0, UINPUT_MAX_KEY);
} }
struct key_iter_search { struct key_iter_search
{
xkb_keysym_t keysym; xkb_keysym_t keysym;
xkb_keycode_t keycode; xkb_keycode_t keycode;
xkb_level_index_t level; xkb_level_index_t level;
}; };
static void key_iter(struct xkb_keymap *xkb, xkb_keycode_t key, void *data) { static void key_iter(struct xkb_keymap *xkb, xkb_keycode_t key, void *data)
{
struct key_iter_search *search = data; struct key_iter_search *search = data;
if (search->keycode != XKB_KEYCODE_INVALID) { if (search->keycode != XKB_KEYCODE_INVALID)
{
return; // We are done return; // We are done
} }
xkb_level_index_t num_levels = xkb_keymap_num_levels_for_key(xkb, key, 0); xkb_level_index_t num_levels = xkb_keymap_num_levels_for_key(xkb, key, 0);
for (xkb_level_index_t i = 0; i < num_levels; i++) { for (xkb_level_index_t i = 0; i < num_levels; i++)
{
const xkb_keysym_t *syms; const xkb_keysym_t *syms;
int num_syms = xkb_keymap_key_get_syms_by_level(xkb, key, 0, i, &syms); int num_syms = xkb_keymap_key_get_syms_by_level(xkb, key, 0, i, &syms);
for (int k = 0; k < num_syms; k++) { for (int k = 0; k < num_syms; k++)
if (syms[k] == search->keysym) { {
if (syms[k] == search->keysym)
{
search->keycode = key; search->keycode = key;
search->level = i; search->level = i;
break; break;
@ -235,23 +266,27 @@ end:
return; return;
} }
static void rfb_key_hook(rfbBool down, rfbKeySym keysym, rfbClientPtr cl) { static void rfb_key_hook(rfbBool down, rfbKeySym keysym, rfbClientPtr cl)
{
struct key_iter_search search = { struct key_iter_search search = {
.keysym = keysym, .keysym = keysym,
.keycode = XKB_KEYCODE_INVALID, .keycode = XKB_KEYCODE_INVALID,
.level = 0, .level = 0,
}; };
xkb_keymap_key_for_each(xkb.map, key_iter, &search); xkb_keymap_key_for_each(xkb.map, key_iter, &search);
if (search.keycode == XKB_KEYCODE_INVALID) { if (search.keycode == XKB_KEYCODE_INVALID)
{
fprintf(stderr, "Keysym %04x not found in our keymap\n", keysym); fprintf(stderr, "Keysym %04x not found in our keymap\n", keysym);
return; return;
} }
// printf("key %s, keysym %04x, keycode %u\n", down ? "down" : "up", keysym, search.keycode); // printf("key %s, keysym %04x, keycode %u\n", down ? "down" : "up", keysym, search.keycode);
if (search.keycode >= UINPUT_MAX_KEY) { if (search.keycode >= UINPUT_MAX_KEY)
{
fprintf(stderr, "Keycode %d >= %d\n", search.keycode, UINPUT_MAX_KEY); fprintf(stderr, "Keycode %d >= %d\n", search.keycode, UINPUT_MAX_KEY);
return; return;
} }
if (down != keystate[search.keycode]) { if (down != keystate[search.keycode])
{
struct input_event ies[] = { struct input_event ies[] = {
{ {
.type = EV_KEY, .type = EV_KEY,
@ -266,7 +301,8 @@ static void rfb_key_hook(rfbBool down, rfbKeySym keysym, rfbClientPtr cl) {
.value = 0, .value = 0,
}, },
}; };
for (int i = 0; i < ARRAY_SIZE(ies); i++) { for (int i = 0; i < ARRAY_SIZE(ies); i++)
{
write(uinput_fd, &ies[i], sizeof(ies[0])); write(uinput_fd, &ies[i], sizeof(ies[0]));
} }
@ -274,7 +310,8 @@ static void rfb_key_hook(rfbBool down, rfbKeySym keysym, rfbClientPtr cl) {
} }
} }
static void rfb_ptr_hook(int mask, int screen_x, int screen_y, rfbClientPtr cl) { static void rfb_ptr_hook(int mask, int screen_x, int screen_y, rfbClientPtr cl)
{
// printf("pointer to %d, %d\n", screen_x, screen_y); // printf("pointer to %d, %d\n", screen_x, screen_y);
float global_x = (float)screen_x; float global_x = (float)screen_x;
float global_y = (float)screen_y; float global_y = (float)screen_y;
@ -291,31 +328,27 @@ static void rfb_ptr_hook(int mask, int screen_x, int screen_y, rfbClientPtr cl)
.code = ABS_Y, .code = ABS_Y,
.value = touch_y, .value = touch_y,
}, },
{ {.type = EV_KEY,
.type = EV_KEY,
.code = BTN_LEFT, .code = BTN_LEFT,
.value = !! (mask & 0b1) .value = !!(mask & 0b1)},
}, {.type = EV_KEY,
{
.type = EV_KEY,
.code = BTN_MIDDLE, .code = BTN_MIDDLE,
.value = !! (mask & 0b10) .value = !!(mask & 0b10)},
}, {.type = EV_KEY,
{
.type = EV_KEY,
.code = BTN_RIGHT, .code = BTN_RIGHT,
.value = !! (mask & 0b100) .value = !!(mask & 0b100)},
},
{ {
.type = EV_SYN, .type = EV_SYN,
.code = SYN_REPORT, .code = SYN_REPORT,
.value = 0, .value = 0,
}, },
}; };
for (int i = 0; i < ARRAY_SIZE(ies1); i++) { for (int i = 0; i < ARRAY_SIZE(ies1); i++)
{
write(uinput_fd, &ies1[i], sizeof(ies1[0])); write(uinput_fd, &ies1[i], sizeof(ies1[0]));
} }
if (mask & 0b11000) { if (mask & 0b11000)
{
struct input_event ies2[] = { struct input_event ies2[] = {
{ {
.type = EV_REL, .type = EV_REL,
@ -328,16 +361,17 @@ static void rfb_ptr_hook(int mask, int screen_x, int screen_y, rfbClientPtr cl)
.value = 0, .value = 0,
}, },
}; };
for (int i = 0; i < ARRAY_SIZE(ies2); i++) { for (int i = 0; i < ARRAY_SIZE(ies2); i++)
{
write(uinput_fd, &ies2[i], sizeof(ies2[0])); write(uinput_fd, &ies2[i], sizeof(ies2[0]));
} }
} }
} }
int main(int argc, const char **argv) int main(int argc, const char **argv)
{ {
if (argc < 2) { if (argc < 2)
{
printf("not enough arguments\n"); printf("not enough arguments\n");
return 1; return 1;
} }
@ -347,7 +381,8 @@ int main(int argc, const char **argv)
const char *card = argv[1]; const char *card = argv[1];
const int drmfd = open(card, O_RDONLY); const int drmfd = open(card, O_RDONLY);
int primefd = -1; int primefd = -1;
if (drmfd < 0) { if (drmfd < 0)
{
fprintf(stderr, "card %s open failed: %s\n", card, strerror(errno)); fprintf(stderr, "card %s open failed: %s\n", card, strerror(errno));
return 1; return 1;
} }
@ -356,37 +391,46 @@ int main(int argc, const char **argv)
int source_plane = 0; int source_plane = 0;
int source_crtc = 0; int source_crtc = 0;
err = drmSetClientCap(drmfd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1); err = drmSetClientCap(drmfd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
if (err < 0) { if (err < 0)
{
perror("Failed to set universal planes capability: primary planes will not be usable"); perror("Failed to set universal planes capability: primary planes will not be usable");
} }
drmModePlane *plane = NULL; drmModePlane *plane = NULL;
drmModePlaneRes *plane_res = NULL; drmModePlaneRes *plane_res = NULL;
drmModeFB *fb = NULL; drmModeFB *fb = NULL;
if (source_plane > 0) { if (source_plane > 0)
{
plane = drmModeGetPlane(drmfd, source_plane); plane = drmModeGetPlane(drmfd, source_plane);
if (!plane) { if (!plane)
{
fprintf(stderr, "Failed to get plane %d: %s\n", source_plane, strerror(errno)); fprintf(stderr, "Failed to get plane %d: %s\n", source_plane, strerror(errno));
goto cleanup; goto cleanup;
} }
if (plane->fb_id == 0) { if (plane->fb_id == 0)
{
fprintf(stderr, "Place %d does not have an attached framebuffer\n", source_plane); fprintf(stderr, "Place %d does not have an attached framebuffer\n", source_plane);
} }
} }
else { else
{
plane_res = drmModeGetPlaneResources(drmfd); plane_res = drmModeGetPlaneResources(drmfd);
if (!plane_res) { if (!plane_res)
{
perror("Failed to get plane resources"); perror("Failed to get plane resources");
goto cleanup; goto cleanup;
} }
int i; int i;
for (i = 0; i < plane_res->count_planes; i++) { for (i = 0; i < plane_res->count_planes; i++)
{
plane = drmModeGetPlane(drmfd, plane_res->planes[i]); plane = drmModeGetPlane(drmfd, plane_res->planes[i]);
if (!plane) { if (!plane)
{
fprintf(stderr, "Failed to get plane %u: %s\n", plane_res->planes[i], strerror(errno)); fprintf(stderr, "Failed to get plane %u: %s\n", plane_res->planes[i], strerror(errno));
continue; continue;
} }
printf("Plane %u CRTC %u FB %u\n", plane->plane_id, plane->crtc_id, plane->fb_id); printf("Plane %u CRTC %u FB %u\n", plane->plane_id, plane->crtc_id, plane->fb_id);
if ((source_crtc > 0 && plane->crtc_id != source_crtc) || plane->fb_id == 0) { if ((source_crtc > 0 && plane->crtc_id != source_crtc) || plane->fb_id == 0)
{
// Either not connected to the target source CRTC // Either not connected to the target source CRTC
// or not active. // or not active.
drmModeFreePlane(plane); drmModeFreePlane(plane);
@ -395,10 +439,14 @@ int main(int argc, const char **argv)
} }
break; break;
} }
if (i == plane_res->count_planes) { if (i == plane_res->count_planes)
if (source_crtc > 0) { {
if (source_crtc > 0)
{
fprintf(stderr, "No usable planes found on CRTC %d\n", source_crtc); fprintf(stderr, "No usable planes found on CRTC %d\n", source_crtc);
} else { }
else
{
fprintf(stderr, "No usable planes found\n"); fprintf(stderr, "No usable planes found\n");
} }
goto cleanup; goto cleanup;
@ -408,18 +456,21 @@ int main(int argc, const char **argv)
uint32_t plane_id = plane->plane_id; uint32_t plane_id = plane->plane_id;
fb = drmModeGetFB(drmfd, plane->fb_id); fb = drmModeGetFB(drmfd, plane->fb_id);
if (!fb) { if (!fb)
{
fprintf(stderr, "Failed to get framebuffer %u: %s\n", plane->fb_id, strerror(errno)); fprintf(stderr, "Failed to get framebuffer %u: %s\n", plane->fb_id, strerror(errno));
goto cleanup; goto cleanup;
} }
printf("Template framebuffer is %u: %ux%u %ubpp %ub depth %u pitch\n", fb->fb_id, fb->width, fb->height, fb->bpp, fb->depth, fb->pitch); printf("Template framebuffer is %u: %ux%u %ubpp %ub depth %u pitch\n", fb->fb_id, fb->width, fb->height, fb->bpp, fb->depth, fb->pitch);
if (fb->bpp != 32 || fb->depth != 24) { if (fb->bpp != 32 || fb->depth != 24)
{
fprintf(stderr, "Unsupported pixfmt\n"); fprintf(stderr, "Unsupported pixfmt\n");
goto cleanup; goto cleanup;
} }
if (!fb->handle) { if (!fb->handle)
{
fprintf(stderr, "No handle set on framebuffer: maybe you need some additional capabilities?\n"); fprintf(stderr, "No handle set on framebuffer: maybe you need some additional capabilities?\n");
goto cleanup; goto cleanup;
} }
@ -434,7 +485,8 @@ int main(int argc, const char **argv)
.convert = &convert_bgrx_to_rgb, .convert = &convert_bgrx_to_rgb,
}; };
err = drmPrimeHandleToFD(drmfd, fb->handle, O_RDWR, &primefd); err = drmPrimeHandleToFD(drmfd, fb->handle, O_RDWR, &primefd);
if (err < 0 || primefd < 0) { if (err < 0 || primefd < 0)
{
perror("Failed to get PRIME fd from framebuffer handle"); perror("Failed to get PRIME fd from framebuffer handle");
goto cleanup; goto cleanup;
} }
@ -443,27 +495,32 @@ int main(int argc, const char **argv)
size_t mmap_size = fb->width * fb->height * 32 / 8; size_t mmap_size = fb->width * fb->height * 32 / 8;
off_t mmap_offset = 0; off_t mmap_offset = 0;
if (strcmp(drm_ver->name, "i915") == 0) { if (strcmp(drm_ver->name, "i915") == 0)
{
funcs.convert = &convert_intel_kmsbuf; funcs.convert = &convert_intel_kmsbuf;
} }
else if (strcmp(drm_ver->name, "amdgpu") == 0) { else if (strcmp(drm_ver->name, "amdgpu") == 0)
{
struct drm_gem_flink flink; struct drm_gem_flink flink;
flink.handle = fb->handle; flink.handle = fb->handle;
if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_FLINK, &flink)) { if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_FLINK, &flink))
{
fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__); fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__);
goto cleanup; goto cleanup;
} }
struct drm_gem_open open_arg; struct drm_gem_open open_arg;
open_arg.name = flink.name; open_arg.name = flink.name;
printf("global name = %d\n", flink.name); printf("global name = %d\n", flink.name);
if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_OPEN, &open_arg)) { if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_OPEN, &open_arg))
{
fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__); fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__);
goto cleanup; goto cleanup;
} }
union drm_amdgpu_gem_mmap mmap_arg; union drm_amdgpu_gem_mmap mmap_arg;
memset(&mmap_arg, 0, sizeof(mmap_arg)); memset(&mmap_arg, 0, sizeof(mmap_arg));
mmap_arg.in.handle = open_arg.handle; mmap_arg.in.handle = open_arg.handle;
if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_AMDGPU_GEM_MMAP, &mmap_arg)) { if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_AMDGPU_GEM_MMAP, &mmap_arg))
{
fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__); fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__);
goto cleanup; goto cleanup;
} }
@ -471,27 +528,31 @@ int main(int argc, const char **argv)
mmap_offset = mmap_arg.out.addr_ptr; mmap_offset = mmap_arg.out.addr_ptr;
mmap_fd = drmfd; mmap_fd = drmfd;
} }
else if (strcmp(drm_ver->name, "nvidia-drm") == 0) { else if (strcmp(drm_ver->name, "nvidia-drm") == 0)
{
// quirky and slow // quirky and slow
funcs.convert = &convert_nvidia_kmsbuf; funcs.convert = &convert_nvidia_kmsbuf;
struct drm_gem_flink flink; struct drm_gem_flink flink;
flink.handle = fb->handle; flink.handle = fb->handle;
if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_FLINK, &flink)) { if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_FLINK, &flink))
{
fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__); fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__);
goto cleanup; goto cleanup;
} }
struct drm_gem_open open_arg; struct drm_gem_open open_arg;
open_arg.name = flink.name; open_arg.name = flink.name;
printf("global name = %d\n", flink.name); printf("global name = %d\n", flink.name);
if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_OPEN, &open_arg)) { if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_GEM_OPEN, &open_arg))
{
fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__); fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__);
goto cleanup; goto cleanup;
} }
struct drm_mode_map_dumb mreq; struct drm_mode_map_dumb mreq;
memset(&mreq, 0, sizeof(mreq)); memset(&mreq, 0, sizeof(mreq));
mreq.handle = open_arg.handle; mreq.handle = open_arg.handle;
if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_MODE_MAP_DUMB, &mreq)) { if (ioctl_err = drmIoctl(drmfd, DRM_IOCTL_MODE_MAP_DUMB, &mreq))
{
fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__); fprintf(stderr, "DRM ioctl error %d on line %d\n", ioctl_err, __LINE__);
goto cleanup; goto cleanup;
} }
@ -501,17 +562,21 @@ int main(int argc, const char **argv)
funcs.sync_start = &drm_sync_noop; funcs.sync_start = &drm_sync_noop;
funcs.sync_end = &drm_sync_noop; funcs.sync_end = &drm_sync_noop;
} }
else if (strcmp(drm_ver->name, "vmwgfx") == 0 || strcmp(drm_ver->name, "vboxvideo") == 0 || strcmp(drm_ver->name, "virtio_gpu") == 0) { else if (strcmp(drm_ver->name, "vmwgfx") == 0 || strcmp(drm_ver->name, "vboxvideo") == 0 || strcmp(drm_ver->name, "virtio_gpu") == 0)
{
// virgl does not work // virgl does not work
} }
else { else
{
fprintf(stderr, "Untested drm driver, use at your own risk!\n"); fprintf(stderr, "Untested drm driver, use at your own risk!\n");
} }
if (!mapped) { if (!mapped)
{
printf("mapping with size = %d, offset = %d, fd = %d\n", mmap_size, mmap_offset, mmap_fd); printf("mapping with size = %d, offset = %d, fd = %d\n", mmap_size, mmap_offset, mmap_fd);
mapped = mmap(NULL, mmap_size, PROT_READ, MAP_SHARED, mmap_fd, mmap_offset); mapped = mmap(NULL, mmap_size, PROT_READ, MAP_SHARED, mmap_fd, mmap_offset);
if (mapped == MAP_FAILED) { if (mapped == MAP_FAILED)
{
perror("mmap"); perror("mmap");
goto cleanup; goto cleanup;
} }
@ -537,9 +602,11 @@ int main(int argc, const char **argv)
server->ptrAddEvent = rfb_ptr_hook; server->ptrAddEvent = rfb_ptr_hook;
rfbInitServer(server); rfbInitServer(server);
rfbRunEventLoop(server, -1, TRUE); rfbRunEventLoop(server, -1, TRUE);
while (rfbIsActive(server)) { while (rfbIsActive(server))
{
between_frames(); between_frames();
if (server->clientHead) { if (server->clientHead)
{
funcs.sync_start(primefd); funcs.sync_start(primefd);
funcs.convert(mapped, fb->width, fb->height, buf); funcs.convert(mapped, fb->width, fb->height, buf);
funcs.sync_end(primefd); funcs.sync_end(primefd);
@ -548,13 +615,17 @@ int main(int argc, const char **argv)
} }
cleanup: cleanup:
if (drm_ver != NULL) drmFreeVersion(drm_ver); if (drm_ver != NULL)
if (fb != NULL) drmModeFreeFB(fb); drmFreeVersion(drm_ver);
if (uinput_fd > 0) { if (fb != NULL)
drmModeFreeFB(fb);
if (uinput_fd > 0)
{
ioctl(uinput_fd, UI_DEV_DESTROY); ioctl(uinput_fd, UI_DEV_DESTROY);
close(uinput_fd); close(uinput_fd);
} }
if (primefd > 0) close(primefd); if (primefd > 0)
close(primefd);
close(drmfd); close(drmfd);
return 1; return 1;
} }