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Re-format using clang-format

tight-png
Andri Yngvason 2019-10-20 22:13:51 +00:00
parent 13c52175d2
commit 80b1f3cb4c
20 changed files with 428 additions and 434 deletions
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16
examples/draw.c
View File

@ -28,19 +28,19 @@ struct draw {
struct nvnc_fb* fb; struct nvnc_fb* fb;
}; };
void on_pointer_event(struct nvnc_client *client, uint16_t x, uint16_t y, void on_pointer_event(struct nvnc_client* client, uint16_t x, uint16_t y,
enum nvnc_button_mask buttons) enum nvnc_button_mask buttons)
{ {
if (!(buttons & NVNC_BUTTON_LEFT)) if (!(buttons & NVNC_BUTTON_LEFT))
return; return;
struct nvnc *server = nvnc_get_server(client); struct nvnc* server = nvnc_get_server(client);
assert(server); assert(server);
struct draw *draw = nvnc_get_userdata(server); struct draw* draw = nvnc_get_userdata(server);
assert(draw); assert(draw);
uint32_t *image = nvnc_fb_get_addr(draw->fb); uint32_t* image = nvnc_fb_get_addr(draw->fb);
int width = nvnc_fb_get_width(draw->fb); int width = nvnc_fb_get_width(draw->fb);
int height = nvnc_fb_get_height(draw->fb); int height = nvnc_fb_get_height(draw->fb);
@ -53,9 +53,9 @@ void on_pointer_event(struct nvnc_client *client, uint16_t x, uint16_t y,
pixman_region_fini(&region); pixman_region_fini(&region);
} }
int main(int argc, char *argv[]) int main(int argc, char* argv[])
{ {
struct draw draw; struct draw draw;
int width = 500, height = 500; int width = 500, height = 500;
uint32_t format = DRM_FORMAT_RGBX8888; uint32_t format = DRM_FORMAT_RGBX8888;
@ -66,7 +66,7 @@ int main(int argc, char *argv[])
memset(addr, 0xff, width * height * 4); memset(addr, 0xff, width * height * 4);
struct nvnc *server = nvnc_open("127.0.0.1", 5900); struct nvnc* server = nvnc_open("127.0.0.1", 5900);
nvnc_set_dimensions(server, width, height, format); nvnc_set_dimensions(server, width, height, format);
nvnc_set_name(server, "Draw"); nvnc_set_name(server, "Draw");

10
examples/png-server.c
View File

@ -21,11 +21,11 @@
#include <assert.h> #include <assert.h>
#include <pixman.h> #include <pixman.h>
struct nvnc_fb* read_png_file(const char *filename); struct nvnc_fb* read_png_file(const char* filename);
int main(int argc, char *argv[]) int main(int argc, char* argv[])
{ {
const char *file = argv[1]; const char* file = argv[1];
if (!file) { if (!file) {
printf("Missing argument\n"); printf("Missing argument\n");
@ -38,7 +38,7 @@ int main(int argc, char *argv[])
return 1; return 1;
} }
struct nvnc *server = nvnc_open("127.0.0.1", 5900); struct nvnc* server = nvnc_open("127.0.0.1", 5900);
int width = nvnc_fb_get_width(fb); int width = nvnc_fb_get_width(fb);
int height = nvnc_fb_get_height(fb); int height = nvnc_fb_get_height(fb);
@ -49,7 +49,7 @@ int main(int argc, char *argv[])
struct pixman_region16 region; struct pixman_region16 region;
pixman_region_init_rect(&region, 0, 0, nvnc_fb_get_width(fb), pixman_region_init_rect(&region, 0, 0, nvnc_fb_get_width(fb),
nvnc_fb_get_height(fb)); nvnc_fb_get_height(fb));
nvnc_feed_frame(server, fb, &region); nvnc_feed_frame(server, fb, &region);
pixman_region_fini(&region); pixman_region_fini(&region);

15
include/fb.h
View File

@ -4,12 +4,11 @@
#include <stdint.h> #include <stdint.h>
struct nvnc_fb { struct nvnc_fb {
int ref; int ref;
void *addr; void* addr;
size_t size; size_t size;
uint16_t width; uint16_t width;
uint16_t height; uint16_t height;
uint32_t fourcc_format; uint32_t fourcc_format;
uint64_t fourcc_modifier; uint64_t fourcc_modifier;
}; };

5
include/likely.h
View File

@ -16,6 +16,5 @@
#pragma once #pragma once
#define likely(x) __builtin_expect(!!(x), 1) #define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0) #define unlikely(x) __builtin_expect(!!(x), 0)

51
include/neatvnc.h
View File

@ -25,40 +25,41 @@ struct nvnc_fb;
struct pixman_region16; struct pixman_region16;
enum nvnc_button_mask { enum nvnc_button_mask {
NVNC_BUTTON_LEFT = 1 << 0, NVNC_BUTTON_LEFT = 1 << 0,
NVNC_BUTTON_MIDDLE = 1 << 1, NVNC_BUTTON_MIDDLE = 1 << 1,
NVNC_BUTTON_RIGHT = 1 << 2, NVNC_BUTTON_RIGHT = 1 << 2,
NVNC_SCROLL_UP = 1 << 3, NVNC_SCROLL_UP = 1 << 3,
NVNC_SCROLL_DOWN = 1 << 4, NVNC_SCROLL_DOWN = 1 << 4,
}; };
typedef void (*nvnc_key_fn)(struct nvnc_client*, uint32_t keysym, bool is_pressed); typedef void (*nvnc_key_fn)(struct nvnc_client*, uint32_t keysym,
bool is_pressed);
typedef void (*nvnc_pointer_fn)(struct nvnc_client*, uint16_t x, uint16_t y, typedef void (*nvnc_pointer_fn)(struct nvnc_client*, uint16_t x, uint16_t y,
enum nvnc_button_mask); enum nvnc_button_mask);
typedef void (*nvnc_fb_req_fn)(struct nvnc_client*, bool is_incremental, typedef void (*nvnc_fb_req_fn)(struct nvnc_client*, bool is_incremental,
uint16_t x, uint16_t y, uint16_t x, uint16_t y, uint16_t width,
uint16_t width, uint16_t height); uint16_t height);
typedef void (*nvnc_client_fn)(struct nvnc_client*); typedef void (*nvnc_client_fn)(struct nvnc_client*);
typedef void (*nvnc_damage_fn)(struct pixman_region16 *damage, void *userdata); typedef void (*nvnc_damage_fn)(struct pixman_region16* damage, void* userdata);
struct nvnc *nvnc_open(const char *addr, uint16_t port); struct nvnc* nvnc_open(const char* addr, uint16_t port);
void nvnc_close(struct nvnc *self); void nvnc_close(struct nvnc* self);
void nvnc_set_userdata(void *self, void* userdata); void nvnc_set_userdata(void* self, void* userdata);
void* nvnc_get_userdata(const void *self); void* nvnc_get_userdata(const void* self);
struct nvnc *nvnc_get_server(const struct nvnc_client *client); struct nvnc* nvnc_get_server(const struct nvnc_client* client);
void nvnc_set_dimensions(struct nvnc *self, uint16_t width, uint16_t height, void nvnc_set_dimensions(struct nvnc* self, uint16_t width, uint16_t height,
uint32_t fourcc_format); uint32_t fourcc_format);
void nvnc_set_name(struct nvnc *self, const char *name); void nvnc_set_name(struct nvnc* self, const char* name);
void nvnc_set_key_fn(struct nvnc *self, nvnc_key_fn); void nvnc_set_key_fn(struct nvnc* self, nvnc_key_fn);
void nvnc_set_pointer_fn(struct nvnc *self, nvnc_pointer_fn); void nvnc_set_pointer_fn(struct nvnc* self, nvnc_pointer_fn);
void nvnc_set_fb_req_fn(struct nvnc *self, nvnc_fb_req_fn); void nvnc_set_fb_req_fn(struct nvnc* self, nvnc_fb_req_fn);
void nvnc_set_new_client_fn(struct nvnc *self, nvnc_client_fn); void nvnc_set_new_client_fn(struct nvnc* self, nvnc_client_fn);
void nvnc_set_client_cleanup_fn(struct nvnc_client *self, nvnc_client_fn fn); void nvnc_set_client_cleanup_fn(struct nvnc_client* self, nvnc_client_fn fn);
struct nvnc_fb* nvnc_fb_new(uint16_t width, uint16_t height, struct nvnc_fb* nvnc_fb_new(uint16_t width, uint16_t height,
uint32_t fourcc_format); uint32_t fourcc_format);
@ -75,7 +76,7 @@ uint32_t nvnc_fb_get_fourcc_format(const struct nvnc_fb* fb);
* Feed a new frame to the server. The damaged region is sent to clients * Feed a new frame to the server. The damaged region is sent to clients
* immediately. * immediately.
*/ */
int nvnc_feed_frame(struct nvnc *self, struct nvnc_fb* fb, int nvnc_feed_frame(struct nvnc* self, struct nvnc_fb* fb,
const struct pixman_region16* damage); const struct pixman_region16* damage);
/* /*
@ -84,6 +85,6 @@ int nvnc_feed_frame(struct nvnc *self, struct nvnc_fb* fb,
* *
* This is a utility function that may be used to reduce network traffic. * This is a utility function that may be used to reduce network traffic.
*/ */
int nvnc_check_damage(const struct nvnc_fb *fb0, const struct nvnc_fb *fb1, int nvnc_check_damage(const struct nvnc_fb* fb0, const struct nvnc_fb* fb1,
int x_hint, int y_hint, int width_hint, int height_hint, int x_hint, int y_hint, int width_hint, int height_hint,
nvnc_damage_fn on_check_done, void *userdata); nvnc_damage_fn on_check_done, void* userdata);

10
include/pixels.h
View File

@ -18,8 +18,8 @@
#include <stdint.h> #include <stdint.h>
void pixel32_to_cpixel(uint8_t *restrict dst, void pixel32_to_cpixel(uint8_t* restrict dst,
const struct rfb_pixel_format* dst_fmt, const struct rfb_pixel_format* dst_fmt,
const uint32_t *restrict src, const uint32_t* restrict src,
const struct rfb_pixel_format* src_fmt, const struct rfb_pixel_format* src_fmt,
size_t bytes_per_cpixel, size_t len); size_t bytes_per_cpixel, size_t len);

9
include/raw-encoding.h
View File

@ -5,8 +5,7 @@ struct rfb_pixel_format;
struct pixman_region16; struct pixman_region16;
struct vec; struct vec;
int raw_encode_frame(struct vec *dst, int raw_encode_frame(struct vec* dst, const struct rfb_pixel_format* dst_fmt,
const struct rfb_pixel_format *dst_fmt, const struct nvnc_fb* src,
const struct nvnc_fb *src, const struct rfb_pixel_format* src_fmt,
const struct rfb_pixel_format *src_fmt, struct pixman_region16* region);
struct pixman_region16 *region);

74
include/rfb-proto.h
View File

@ -26,9 +26,9 @@
#define RFB_PACKED __attribute__((packed)) #define RFB_PACKED __attribute__((packed))
enum rfb_security_type { enum rfb_security_type {
RFB_SECURITY_TYPE_INVALID = 0, RFB_SECURITY_TYPE_INVALID = 0,
RFB_SECURITY_TYPE_NONE = 1, RFB_SECURITY_TYPE_NONE = 1,
RFB_SECURITY_TYPE_VNC_AUTH = 2, RFB_SECURITY_TYPE_VNC_AUTH = 2,
}; };
enum rfb_security_handshake_result { enum rfb_security_handshake_result {
@ -57,15 +57,15 @@ enum rfb_encodings {
}; };
enum rfb_server_to_client_msg_type { enum rfb_server_to_client_msg_type {
RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE = 0, RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE = 0,
RFB_SERVER_TO_CLIENT_SET_COLOUR_MAP_ENTRIES = 1, RFB_SERVER_TO_CLIENT_SET_COLOUR_MAP_ENTRIES = 1,
RFB_SERVER_TO_CLIENT_BELL = 2, RFB_SERVER_TO_CLIENT_BELL = 2,
RFB_SERVER_TO_CLIENT_SERVER_CUT_TEXT = 3, RFB_SERVER_TO_CLIENT_SERVER_CUT_TEXT = 3,
}; };
struct rfb_security_types_msg { struct rfb_security_types_msg {
uint8_t n; uint8_t n;
uint8_t types[1]; uint8_t types[1];
} RFB_PACKED; } RFB_PACKED;
struct rfb_error_reason { struct rfb_error_reason {
@ -96,52 +96,52 @@ struct rfb_server_init_msg {
} RFB_PACKED; } RFB_PACKED;
struct rfb_client_set_encodings_msg { struct rfb_client_set_encodings_msg {
uint8_t type; uint8_t type;
uint8_t padding; uint8_t padding;
uint16_t n_encodings; uint16_t n_encodings;
int32_t encodings[0]; int32_t encodings[0];
} RFB_PACKED; } RFB_PACKED;
struct rfb_client_fb_update_req_msg { struct rfb_client_fb_update_req_msg {
uint8_t type; uint8_t type;
uint8_t incremental; uint8_t incremental;
uint16_t x; uint16_t x;
uint16_t y; uint16_t y;
uint16_t width; uint16_t width;
uint16_t height; uint16_t height;
} RFB_PACKED; } RFB_PACKED;
struct rfb_client_key_event_msg { struct rfb_client_key_event_msg {
uint8_t type; uint8_t type;
uint8_t down_flag; uint8_t down_flag;
uint16_t padding; uint16_t padding;
uint32_t key; uint32_t key;
} RFB_PACKED; } RFB_PACKED;
struct rfb_client_pointer_event_msg { struct rfb_client_pointer_event_msg {
uint8_t type; uint8_t type;
uint8_t button_mask; uint8_t button_mask;
uint16_t x; uint16_t x;
uint16_t y; uint16_t y;
} RFB_PACKED; } RFB_PACKED;
struct rfb_client_cut_text_msg { struct rfb_client_cut_text_msg {
uint8_t type; uint8_t type;
uint8_t padding[3]; uint8_t padding[3];
uint32_t length; uint32_t length;
char test[0]; char test[0];
} RFB_PACKED; } RFB_PACKED;
struct rfb_server_fb_rect { struct rfb_server_fb_rect {
uint16_t x; uint16_t x;
uint16_t y; uint16_t y;
uint16_t width; uint16_t width;
uint16_t height; uint16_t height;
int32_t encoding; int32_t encoding;
} RFB_PACKED; } RFB_PACKED;
struct rfb_server_fb_update_msg { struct rfb_server_fb_update_msg {
uint8_t type; uint8_t type;
uint8_t padding; uint8_t padding;
uint16_t n_rects; uint16_t n_rects;
} RFB_PACKED; } RFB_PACKED;

8
include/type-macros.h
View File

@ -18,8 +18,8 @@
#include <stddef.h> #include <stddef.h>
#define container_of(ptr, type, member) \ #define container_of(ptr, type, member) \
({ \ ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \ const typeof(((type*)0)->member)* __mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) ); \ (type*)((char*)__mptr - offsetof(type, member)); \
}) })

4
include/util.h
View File

@ -27,7 +27,7 @@ struct vnc_write_request {
uv_buf_t buffer; uv_buf_t buffer;
}; };
int vnc__write(uv_stream_t *stream, const void *payload, size_t size, int vnc__write(uv_stream_t* stream, const void* payload, size_t size,
uv_write_cb on_done); uv_write_cb on_done);
int rfb_pixfmt_from_fourcc(struct rfb_pixel_format *dst, uint32_t src); int rfb_pixfmt_from_fourcc(struct rfb_pixel_format* dst, uint32_t src);

34
include/vec.h
View File

@ -44,30 +44,30 @@ void* vec_append_zero(struct vec* vec, size_t size);
static inline void vec_fast_append_8(struct vec* vec, uint8_t value) static inline void vec_fast_append_8(struct vec* vec, uint8_t value)
{ {
assert(vec->len < vec->cap); assert(vec->len < vec->cap);
((uint8_t*)vec->data)[vec->len++] = value; ((uint8_t*)vec->data)[vec->len++] = value;
} }
static inline void vec_fast_append_32(struct vec* vec, uint32_t value) static inline void vec_fast_append_32(struct vec* vec, uint32_t value)
{ {
assert(vec->len + sizeof(value) <= vec->cap); assert(vec->len + sizeof(value) <= vec->cap);
assert(vec->len % sizeof(value) == 0); assert(vec->len % sizeof(value) == 0);
uint32_t* p = (uint32_t*)((uint8_t*)vec->data + vec->len); uint32_t* p = (uint32_t*)((uint8_t*)vec->data + vec->len);
*p = value; *p = value;
vec->len += sizeof(value); vec->len += sizeof(value);
} }
#define vec_for(elem, vec) \ #define vec_for(elem, vec) \
for (elem = (vec)->data; \ for (elem = (vec)->data; \
((ptrdiff_t)elem - (ptrdiff_t)(vec)->data) < (ptrdiff_t)(vec)->len; \ ((ptrdiff_t)elem - (ptrdiff_t)(vec)->data) < (ptrdiff_t)(vec)->len;\
++elem) ++elem)
#define vec_for_tail(elem, vec) \ #define vec_for_tail(elem, vec) \
for (elem = (vec)->data, ++elem; \ for (elem = (vec)->data, ++elem; \
((ptrdiff_t)elem - (ptrdiff_t)(vec)->data) < (ptrdiff_t)(vec)->len; \ ((ptrdiff_t)elem - (ptrdiff_t)(vec)->data) < (ptrdiff_t)(vec)->len;\
++elem) ++elem)
#define vec_for_ptr(elem, vec) \ #define vec_for_ptr(elem, vec) \
__typeof__(elem)* ptr_; \ __typeof__(elem)* ptr_; \
vec_for(ptr_, vec) \ vec_for(ptr_, vec) \
if ((elem = *ptr_)) if ((elem = *ptr_))

11
include/zrle.h
View File

@ -26,9 +26,8 @@ struct rfb_pixel_format;
struct pixman_region16; struct pixman_region16;
struct vec; struct vec;
int zrle_encode_frame(z_stream *zs, int zrle_encode_frame(z_stream* zs, struct vec* dst,
struct vec *dst, const struct rfb_pixel_format* dst_fmt,
const struct rfb_pixel_format *dst_fmt, const struct nvnc_fb* src,
const struct nvnc_fb *src, const struct rfb_pixel_format* src_fmt,
const struct rfb_pixel_format *src_fmt, struct pixman_region16* region);
struct pixman_region16 *region);

76
src/damage.c
View File

@ -16,27 +16,26 @@
struct damage_check { struct damage_check {
uv_work_t work; uv_work_t work;
const struct nvnc_fb *fb0; const struct nvnc_fb* fb0;
const struct nvnc_fb *fb1; const struct nvnc_fb* fb1;
int x_hint; int x_hint;
int y_hint; int y_hint;
int width_hint; int width_hint;
int height_hint; int height_hint;
nvnc_damage_fn on_done; nvnc_damage_fn on_done;
struct pixman_region16 damage; struct pixman_region16 damage;
void *userdata; void* userdata;
}; };
static bool fbs_are_compatible(const struct nvnc_fb *fb0, static bool fbs_are_compatible(const struct nvnc_fb* fb0,
const struct nvnc_fb *fb1) const struct nvnc_fb* fb1)
{ {
return fb0->fourcc_format == fb1->fourcc_format return fb0->fourcc_format == fb1->fourcc_format &&
&& fb0->width == fb1->width fb0->width == fb1->width && fb0->height == fb1->height;
&& fb0->height == fb1->height;
} }
static inline bool are_tiles_equal(const uint32_t* a, const uint32_t* b, static inline bool are_tiles_equal(const uint32_t* a, const uint32_t* b,
int stride, int width, int height) int stride, int width, int height)
{ {
for (int y = 0; y < height; ++y) for (int y = 0; y < height; ++y)
if (memcmp(a + y * stride, b + y * stride, width * 4) != 0) if (memcmp(a + y * stride, b + y * stride, width * 4) != 0)
@ -46,12 +45,12 @@ static inline bool are_tiles_equal(const uint32_t* a, const uint32_t* b,
} }
#define TILE_SIDE_LENGTH 32 #define TILE_SIDE_LENGTH 32
int check_damage_linear(struct pixman_region16 *damage, int check_damage_linear(struct pixman_region16* damage,
const struct nvnc_fb *fb0, const struct nvnc_fb *fb1, const struct nvnc_fb* fb0, const struct nvnc_fb* fb1,
int x_hint, int y_hint, int width_hint, int height_hint) int x_hint, int y_hint, int width_hint, int height_hint)
{ {
uint32_t *b0 = fb0->addr; uint32_t* b0 = fb0->addr;
uint32_t *b1 = fb1->addr; uint32_t* b1 = fb1->addr;
int width = fb0->width; int width = fb0->width;
int height = fb0->height; int height = fb0->height;
@ -61,9 +60,8 @@ int check_damage_linear(struct pixman_region16 *damage,
int x_start = ALIGN_DOWN(x_hint, TILE_SIDE_LENGTH); int x_start = ALIGN_DOWN(x_hint, TILE_SIDE_LENGTH);
int y_start = ALIGN_DOWN(y_hint, TILE_SIDE_LENGTH); int y_start = ALIGN_DOWN(y_hint, TILE_SIDE_LENGTH);
for (int y = y_start; y < y_start + height_hint; for (int y = y_start; y < y_start + height_hint; y += TILE_SIDE_LENGTH) {
y += TILE_SIDE_LENGTH) {
int tile_height = MIN(TILE_SIDE_LENGTH, height - y); int tile_height = MIN(TILE_SIDE_LENGTH, height - y);
for (int x = x_start; x < x_start + width_hint; for (int x = x_start; x < x_start + width_hint;
@ -72,12 +70,12 @@ int check_damage_linear(struct pixman_region16 *damage,
int offset = x + y * width; int offset = x + y * width;
if (are_tiles_equal(b0 + offset, b1 + offset, if (are_tiles_equal(b0 + offset, b1 + offset, width,
width, tile_width, tile_height)) tile_width, tile_height))
continue; continue;
pixman_region_union_rect(damage, damage, x, y, pixman_region_union_rect(damage, damage, x, y,
tile_width, tile_height); tile_width, tile_height);
} }
} }
@ -85,20 +83,20 @@ int check_damage_linear(struct pixman_region16 *damage,
} }
#undef TILE_SIDE_LENGTH #undef TILE_SIDE_LENGTH
void do_damage_check_linear(uv_work_t *work) void do_damage_check_linear(uv_work_t* work)
{ {
struct damage_check *check = (void*)work; struct damage_check* check = (void*)work;
check_damage_linear(&check->damage, check->fb0, check->fb1, check_damage_linear(&check->damage, check->fb0, check->fb1,
check->x_hint, check->y_hint, check->x_hint, check->y_hint, check->width_hint,
check->width_hint, check->height_hint); check->height_hint);
} }
void on_damage_check_done_linear(uv_work_t *work, int status) void on_damage_check_done_linear(uv_work_t* work, int status)
{ {
(void)status; (void)status;
struct damage_check *check = (void*)work; struct damage_check* check = (void*)work;
check->on_done(&check->damage, check->userdata); check->on_done(&check->damage, check->userdata);
@ -106,14 +104,12 @@ void on_damage_check_done_linear(uv_work_t *work, int status)
free(check); free(check);
} }
int check_damage_linear_threaded(const struct nvnc_fb *fb0, int check_damage_linear_threaded(const struct nvnc_fb* fb0,
const struct nvnc_fb *fb1, const struct nvnc_fb* fb1, int x_hint,
int x_hint, int y_hint, int y_hint, int width_hint, int height_hint,
int width_hint, int height_hint, nvnc_damage_fn on_check_done, void* userdata)
nvnc_damage_fn on_check_done,
void *userdata)
{ {
struct damage_check *work = calloc(1, sizeof(*work)); struct damage_check* work = calloc(1, sizeof(*work));
if (!work) if (!work)
return -1; return -1;
@ -129,8 +125,8 @@ int check_damage_linear_threaded(const struct nvnc_fb *fb0,
/* TODO: Spread the work into more tasks */ /* TODO: Spread the work into more tasks */
int rc = uv_queue_work(uv_default_loop(), &work->work, int rc = uv_queue_work(uv_default_loop(), &work->work,
do_damage_check_linear, do_damage_check_linear,
on_damage_check_done_linear); on_damage_check_done_linear);
if (rc < 0) if (rc < 0)
free(work); free(work);
@ -138,9 +134,9 @@ int check_damage_linear_threaded(const struct nvnc_fb *fb0,
} }
EXPORT EXPORT
int nvnc_check_damage(const struct nvnc_fb *fb0, const struct nvnc_fb *fb1, int nvnc_check_damage(const struct nvnc_fb* fb0, const struct nvnc_fb* fb1,
int x_hint, int y_hint, int width_hint, int height_hint, int x_hint, int y_hint, int width_hint, int height_hint,
nvnc_damage_fn on_check_done, void *userdata) nvnc_damage_fn on_check_done, void* userdata)
{ {
if (!fbs_are_compatible(fb0, fb1)) if (!fbs_are_compatible(fb0, fb1))
return -1; return -1;
@ -148,8 +144,8 @@ int nvnc_check_damage(const struct nvnc_fb *fb0, const struct nvnc_fb *fb1,
switch (fb0->fourcc_modifier) { switch (fb0->fourcc_modifier) {
case DRM_FORMAT_MOD_LINEAR: case DRM_FORMAT_MOD_LINEAR:
return check_damage_linear_threaded(fb0, fb1, x_hint, y_hint, return check_damage_linear_threaded(fb0, fb1, x_hint, y_hint,
width_hint, height_hint, width_hint, height_hint,
on_check_done, userdata); on_check_done, userdata);
} }
return -1; return -1;

32
src/pixels.c
View File

@ -18,13 +18,13 @@
#include <stdlib.h> #include <stdlib.h>
#include <assert.h> #include <assert.h>
#define POPCOUNT(x) __builtin_popcount(x) #define POPCOUNT(x) __builtin_popcount(x)
void pixel32_to_cpixel(uint8_t *restrict dst, void pixel32_to_cpixel(uint8_t* restrict dst,
const struct rfb_pixel_format* dst_fmt, const struct rfb_pixel_format* dst_fmt,
const uint32_t *restrict src, const uint32_t* restrict src,
const struct rfb_pixel_format* src_fmt, const struct rfb_pixel_format* src_fmt,
size_t bytes_per_cpixel, size_t len) size_t bytes_per_cpixel, size_t len)
{ {
assert(src_fmt->true_colour_flag); assert(src_fmt->true_colour_flag);
assert(src_fmt->bits_per_pixel == 32); assert(src_fmt->bits_per_pixel == 32);
@ -60,16 +60,16 @@ void pixel32_to_cpixel(uint8_t *restrict dst,
uint32_t dst_endian_correction; uint32_t dst_endian_correction;
#define CONVERT_PIXELS(cpx, px) \ #define CONVERT_PIXELS(cpx, px) \
{ \ { \
uint32_t r, g, b; \ uint32_t r, g, b; \
r = ((px >> src_red_shift) & src_red_max) << dst_red_bits \ r = ((px >> src_red_shift) & src_red_max) << dst_red_bits \
>> src_red_bits << dst_red_shift; \ >> src_red_bits << dst_red_shift; \
g = ((px >> src_green_shift) & src_green_max) << dst_green_bits \ g = ((px >> src_green_shift) & src_green_max) << dst_green_bits\
>> src_green_bits << dst_green_shift; \ >> src_green_bits << dst_green_shift; \
b = ((px >> src_blue_shift) & src_blue_max) << dst_blue_bits \ b = ((px >> src_blue_shift) & src_blue_max) << dst_blue_bits \
>> src_blue_bits << dst_blue_shift; \ >> src_blue_bits << dst_blue_shift; \
cpx = r | g | b; \ cpx = r | g | b; \
} }
switch (bytes_per_cpixel) { switch (bytes_per_cpixel) {

41
src/pngfb.c
View File

@ -13,21 +13,26 @@
#include <assert.h> #include <assert.h>
#include <libdrm/drm_fourcc.h> #include <libdrm/drm_fourcc.h>
struct nvnc_fb* read_png_file(const char *filename) { struct nvnc_fb* read_png_file(const char* filename)
{
int width, height; int width, height;
png_byte color_type; png_byte color_type;
png_byte bit_depth; png_byte bit_depth;
png_bytep *row_pointers = NULL; png_bytep* row_pointers = NULL;
FILE *fp = fopen(filename, "rb"); FILE* fp = fopen(filename, "rb");
png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); png_structp png =
if(!png) abort(); png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png)
abort();
png_infop info = png_create_info_struct(png); png_infop info = png_create_info_struct(png);
if(!info) abort(); if (!info)
abort();
if(setjmp(png_jmpbuf(png))) abort(); if (setjmp(png_jmpbuf(png)))
abort();
png_init_io(png, fp); png_init_io(png, fp);
@ -36,32 +41,32 @@ struct nvnc_fb* read_png_file(const char *filename) {
width = png_get_image_width(png, info); width = png_get_image_width(png, info);
height = png_get_image_height(png, info); height = png_get_image_height(png, info);
color_type = png_get_color_type(png, info); color_type = png_get_color_type(png, info);
bit_depth = png_get_bit_depth(png, info); bit_depth = png_get_bit_depth(png, info);
// Read any color_type into 8bit depth, RGBA format. // Read any color_type into 8bit depth, RGBA format.
// See http://www.libpng.org/pub/png/libpng-manual.txt // See http://www.libpng.org/pub/png/libpng-manual.txt
if(bit_depth == 16) if (bit_depth == 16)
png_set_strip_16(png); png_set_strip_16(png);
if(color_type == PNG_COLOR_TYPE_PALETTE) if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_palette_to_rgb(png); png_set_palette_to_rgb(png);
// PNG_COLOR_TYPE_GRAY_ALPHA is always 8 or 16bit depth. // PNG_COLOR_TYPE_GRAY_ALPHA is always 8 or 16bit depth.
if(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
png_set_expand_gray_1_2_4_to_8(png); png_set_expand_gray_1_2_4_to_8(png);
if(png_get_valid(png, info, PNG_INFO_tRNS)) if (png_get_valid(png, info, PNG_INFO_tRNS))
png_set_tRNS_to_alpha(png); png_set_tRNS_to_alpha(png);
// These color_type don't have an alpha channel then fill it with 0xff. // These color_type don't have an alpha channel then fill it with 0xff.
if(color_type == PNG_COLOR_TYPE_RGB || if (color_type == PNG_COLOR_TYPE_RGB ||
color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_PALETTE) color_type == PNG_COLOR_TYPE_PALETTE)
png_set_filler(png, 0xFF, PNG_FILLER_AFTER); png_set_filler(png, 0xFF, PNG_FILLER_AFTER);
if(color_type == PNG_COLOR_TYPE_GRAY || if (color_type == PNG_COLOR_TYPE_GRAY ||
color_type == PNG_COLOR_TYPE_GRAY_ALPHA) color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png); png_set_gray_to_rgb(png);
png_read_update_info(png, info); png_read_update_info(png, info);
@ -71,7 +76,7 @@ struct nvnc_fb* read_png_file(const char *filename) {
struct nvnc_fb* fb = nvnc_fb_new(width, height, DRM_FORMAT_ABGR8888); struct nvnc_fb* fb = nvnc_fb_new(width, height, DRM_FORMAT_ABGR8888);
assert(fb); assert(fb);
uint8_t *addr = nvnc_fb_get_addr(fb); uint8_t* addr = nvnc_fb_get_addr(fb);
row_pointers = malloc(sizeof(png_bytep) * height); row_pointers = malloc(sizeof(png_bytep) * height);
assert(row_pointers); assert(row_pointers);

37
src/raw-encoding.c
View File

@ -6,19 +6,19 @@
#include <pixman.h> #include <pixman.h>
int raw_encode_box(struct vec *dst, const struct rfb_pixel_format *dst_fmt, int raw_encode_box(struct vec* dst, const struct rfb_pixel_format* dst_fmt,
const struct nvnc_fb *fb, const struct nvnc_fb* fb,
const struct rfb_pixel_format *src_fmt, const struct rfb_pixel_format* src_fmt, int x_start,
int x_start, int y_start, int stride, int width, int height) int y_start, int stride, int width, int height)
{ {
int rc = -1; int rc = -1;
struct rfb_server_fb_rect rect = { struct rfb_server_fb_rect rect = {
.encoding = htonl(RFB_ENCODING_RAW), .encoding = htonl(RFB_ENCODING_RAW),
.x = htons(x_start), .x = htons(x_start),
.y = htons(y_start), .y = htons(y_start),
.width = htons(width), .width = htons(width),
.height = htons(height), .height = htons(height),
}; };
rc = vec_append(dst, &rect, sizeof(rect)); rc = vec_append(dst, &rect, sizeof(rect));
@ -31,29 +31,28 @@ int raw_encode_box(struct vec *dst, const struct rfb_pixel_format *dst_fmt,
for (int y = y_start; y < y_start + height; ++y) for (int y = y_start; y < y_start + height; ++y)
pixel32_to_cpixel(dst->data, dst_fmt, b + y * stride, src_fmt, pixel32_to_cpixel(dst->data, dst_fmt, b + y * stride, src_fmt,
bytes_per_pixel, width); bytes_per_pixel, width);
return 0; return 0;
} }
int raw_encode_frame(struct vec *dst, int raw_encode_frame(struct vec* dst, const struct rfb_pixel_format* dst_fmt,
const struct rfb_pixel_format *dst_fmt, const struct nvnc_fb* src,
const struct nvnc_fb *src, const struct rfb_pixel_format* src_fmt,
const struct rfb_pixel_format *src_fmt, struct pixman_region16* region)
struct pixman_region16 *region)
{ {
int rc = -1; int rc = -1;
int n_rects = 0; int n_rects = 0;
struct pixman_box16 *box = pixman_region_rectangles(region, &n_rects); struct pixman_box16* box = pixman_region_rectangles(region, &n_rects);
if (n_rects > UINT16_MAX) { if (n_rects > UINT16_MAX) {
box = pixman_region_extents(region); box = pixman_region_extents(region);
n_rects = 1; n_rects = 1;
} }
struct rfb_server_fb_update_msg head = { struct rfb_server_fb_update_msg head = {
.type = RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE, .type = RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE,
.n_rects = htons(n_rects), .n_rects = htons(n_rects),
}; };
rc = vec_reserve(dst, src->width * src->height * 4 + 256); rc = vec_reserve(dst, src->width * src->height * 4 + 256);
@ -71,7 +70,7 @@ int raw_encode_frame(struct vec *dst,
int box_height = box[i].y2 - y; int box_height = box[i].y2 - y;
rc = raw_encode_box(dst, dst_fmt, src, src_fmt, x, y, rc = raw_encode_box(dst, dst_fmt, src, src_fmt, x, y,
src->width, box_width, box_height); src->width, box_width, box_height);
if (rc < 0) if (rc < 0)
return -1; return -1;
} }

303
src/server.c
View File

@ -66,7 +66,7 @@ struct nvnc_client {
struct nvnc_common common; struct nvnc_common common;
int ref; int ref;
uv_tcp_t stream_handle; uv_tcp_t stream_handle;
struct nvnc *server; struct nvnc* server;
enum nvnc_client_state state; enum nvnc_client_state state;
uint32_t fourcc; uint32_t fourcc;
struct rfb_pixel_format pixfmt; struct rfb_pixel_format pixfmt;
@ -97,7 +97,7 @@ struct nvnc {
uv_tcp_t tcp_handle; uv_tcp_t tcp_handle;
struct nvnc_client_list clients; struct nvnc_client_list clients;
struct vnc_display display; struct vnc_display display;
void *userdata; void* userdata;
nvnc_key_fn key_fn; nvnc_key_fn key_fn;
nvnc_pointer_fn pointer_fn; nvnc_pointer_fn pointer_fn;
nvnc_fb_req_fn fb_req_fn; nvnc_fb_req_fn fb_req_fn;
@ -107,21 +107,21 @@ struct nvnc {
struct fb_update_work { struct fb_update_work {
uv_work_t work; uv_work_t work;
struct nvnc_client *client; struct nvnc_client* client;
struct pixman_region16 region; struct pixman_region16 region;
struct rfb_pixel_format server_fmt; struct rfb_pixel_format server_fmt;
struct vec frame; struct vec frame;
struct nvnc_fb *fb; struct nvnc_fb* fb;
}; };
int schedule_client_update_fb(struct nvnc_client *client); int schedule_client_update_fb(struct nvnc_client* client);
static const char* fourcc_to_string(uint32_t fourcc) static const char* fourcc_to_string(uint32_t fourcc)
{ {
static char buffer[5]; static char buffer[5];
buffer[0] = (fourcc >> 0) & 0xff; buffer[0] = (fourcc >> 0) & 0xff;
buffer[1] = (fourcc >> 8) & 0xff; buffer[1] = (fourcc >> 8) & 0xff;
buffer[2] = (fourcc >> 16) & 0xff; buffer[2] = (fourcc >> 16) & 0xff;
buffer[3] = (fourcc >> 24) & 0xff; buffer[3] = (fourcc >> 24) & 0xff;
buffer[4] = '\0'; buffer[4] = '\0';
@ -129,8 +129,8 @@ static const char* fourcc_to_string(uint32_t fourcc)
return buffer; return buffer;
} }
static void allocate_read_buffer(uv_handle_t *handle, size_t suggested_size, static void allocate_read_buffer(uv_handle_t* handle, size_t suggested_size,
uv_buf_t *buf) uv_buf_t* buf)
{ {
(void)suggested_size; (void)suggested_size;
@ -140,9 +140,8 @@ static void allocate_read_buffer(uv_handle_t *handle, size_t suggested_size,
static void cleanup_client(uv_handle_t* handle) static void cleanup_client(uv_handle_t* handle)
{ {
struct nvnc_client *client = struct nvnc_client* client = container_of(
container_of((uv_tcp_t*)handle, struct nvnc_client, (uv_tcp_t*)handle, struct nvnc_client, stream_handle);
stream_handle);
nvnc_client_fn fn = client->cleanup_fn; nvnc_client_fn fn = client->cleanup_fn;
if (fn) if (fn)
@ -155,39 +154,37 @@ static void cleanup_client(uv_handle_t* handle)
free(client); free(client);
} }
static inline void client_close(struct nvnc_client *client) static inline void client_close(struct nvnc_client* client)
{ {
uv_close((uv_handle_t*)&client->stream_handle, cleanup_client); uv_close((uv_handle_t*)&client->stream_handle, cleanup_client);
} }
static inline void client_unref(struct nvnc_client *client) static inline void client_unref(struct nvnc_client* client)
{ {
if (--client->ref == 0) if (--client->ref == 0)
client_close(client); client_close(client);
} }
static inline void client_ref(struct nvnc_client *client) static inline void client_ref(struct nvnc_client* client)
{ {
++client->ref; ++client->ref;
} }
static void close_after_write(uv_write_t *req, int status) static void close_after_write(uv_write_t* req, int status)
{ {
struct nvnc_client* client = struct nvnc_client* client = container_of(
container_of((uv_tcp_t*)req->handle, struct nvnc_client, (uv_tcp_t*)req->handle, struct nvnc_client, stream_handle);
stream_handle);
client_unref(client); client_unref(client);
} }
static int handle_unsupported_version(struct nvnc_client *client) static int handle_unsupported_version(struct nvnc_client* client)
{ {
char buffer[256]; char buffer[256];
client->state = VNC_CLIENT_STATE_ERROR; client->state = VNC_CLIENT_STATE_ERROR;
struct rfb_error_reason *reason = struct rfb_error_reason* reason = (struct rfb_error_reason*)(buffer + 1);
(struct rfb_error_reason*)(buffer + 1);
static const char reason_string[] = "Unsupported version\n"; static const char reason_string[] = "Unsupported version\n";
@ -196,13 +193,13 @@ static int handle_unsupported_version(struct nvnc_client *client)
(void)strcmp(reason->message, reason_string); (void)strcmp(reason->message, reason_string);
vnc__write((uv_stream_t*)&client->stream_handle, buffer, vnc__write((uv_stream_t*)&client->stream_handle, buffer,
1 + sizeof(*reason) + strlen(reason_string), 1 + sizeof(*reason) + strlen(reason_string),
close_after_write); close_after_write);
return 0; return 0;
} }
static int on_version_message(struct nvnc_client *client) static int on_version_message(struct nvnc_client* client)
{ {
if (client->buffer_len - client->buffer_index < 12) if (client->buffer_len - client->buffer_index < 12)
return 0; return 0;
@ -214,29 +211,32 @@ static int on_version_message(struct nvnc_client *client)
if (strcmp(RFB_VERSION_MESSAGE, version_string) != 0) if (strcmp(RFB_VERSION_MESSAGE, version_string) != 0)
return handle_unsupported_version(client); return handle_unsupported_version(client);
/* clang-format off */
const static struct rfb_security_types_msg security = { const static struct rfb_security_types_msg security = {
.n = 1, .n = 1,
.types = { .types = {
RFB_SECURITY_TYPE_NONE, RFB_SECURITY_TYPE_NONE,
}, },
}; };
/* clang-format on */
vnc__write((uv_stream_t*)&client->stream_handle, &security, sizeof(security), NULL); vnc__write((uv_stream_t*)&client->stream_handle, &security,
sizeof(security), NULL);
client->state = VNC_CLIENT_STATE_WAITING_FOR_SECURITY; client->state = VNC_CLIENT_STATE_WAITING_FOR_SECURITY;
return 12; return 12;
} }
static int handle_invalid_security_type(struct nvnc_client *client) static int handle_invalid_security_type(struct nvnc_client* client)
{ {
char buffer[256]; char buffer[256];
client->state = VNC_CLIENT_STATE_ERROR; client->state = VNC_CLIENT_STATE_ERROR;
uint8_t *result = (uint8_t*)buffer; uint8_t* result = (uint8_t*)buffer;
struct rfb_error_reason *reason = struct rfb_error_reason* reason =
(struct rfb_error_reason*)(buffer + sizeof(*result)); (struct rfb_error_reason*)(buffer + sizeof(*result));
static const char reason_string[] = "Unsupported version\n"; static const char reason_string[] = "Unsupported version\n";
@ -245,13 +245,13 @@ static int handle_invalid_security_type(struct nvnc_client *client)
(void)strcmp(reason->message, reason_string); (void)strcmp(reason->message, reason_string);
vnc__write((uv_stream_t*)&client->stream_handle, buffer, vnc__write((uv_stream_t*)&client->stream_handle, buffer,
sizeof(*result) + sizeof(*reason) + strlen(reason_string), sizeof(*result) + sizeof(*reason) + strlen(reason_string),
close_after_write); close_after_write);
return 0; return 0;
} }
static int on_security_message(struct nvnc_client *client) static int on_security_message(struct nvnc_client* client)
{ {
if (client->buffer_len - client->buffer_index < 1) if (client->buffer_len - client->buffer_index < 1)
return 0; return 0;
@ -261,23 +261,25 @@ static int on_security_message(struct nvnc_client *client)
if (type != RFB_SECURITY_TYPE_NONE) if (type != RFB_SECURITY_TYPE_NONE)
return handle_invalid_security_type(client); return handle_invalid_security_type(client);
enum rfb_security_handshake_result result enum rfb_security_handshake_result result =
= htonl(RFB_SECURITY_HANDSHAKE_OK); htonl(RFB_SECURITY_HANDSHAKE_OK);
vnc__write((uv_stream_t*)&client->stream_handle, &result, sizeof(result), NULL); vnc__write((uv_stream_t*)&client->stream_handle, &result,
sizeof(result), NULL);
client->state = VNC_CLIENT_STATE_WAITING_FOR_INIT; client->state = VNC_CLIENT_STATE_WAITING_FOR_INIT;
return sizeof(type); return sizeof(type);
} }
static void disconnect_all_other_clients(struct nvnc_client *client) static void disconnect_all_other_clients(struct nvnc_client* client)
{ {
struct nvnc_client *node; struct nvnc_client* node;
LIST_FOREACH(node, &client->server->clients, link) LIST_FOREACH (node, &client->server->clients, link)
if (node != client) if (node != client)
client_unref(client); client_unref(client);
} }
/* clang-format off */
int rfb_pixfmt_from_fourcc(struct rfb_pixel_format *dst, uint32_t src) { int rfb_pixfmt_from_fourcc(struct rfb_pixel_format *dst, uint32_t src) {
switch (src & ~DRM_FORMAT_BIG_ENDIAN) { switch (src & ~DRM_FORMAT_BIG_ENDIAN) {
case DRM_FORMAT_RGBA8888: case DRM_FORMAT_RGBA8888:
@ -396,6 +398,7 @@ static uint32_t shift_values_to_fourcc(int r, int g, int b, int bpp)
return DRM_FORMAT_INVALID; return DRM_FORMAT_INVALID;
#undef RGBEQ #undef RGBEQ
} }
/* clang-format on */
int get_fourcc_depth(uint32_t fourcc) int get_fourcc_depth(uint32_t fourcc)
{ {
@ -409,20 +412,20 @@ int get_fourcc_depth(uint32_t fourcc)
} }
} }
uint32_t rfb_pixfmt_to_fourcc(const struct rfb_pixel_format *fmt) uint32_t rfb_pixfmt_to_fourcc(const struct rfb_pixel_format* fmt)
{ {
if (!fmt->true_colour_flag) if (!fmt->true_colour_flag)
return DRM_FORMAT_INVALID; return DRM_FORMAT_INVALID;
/* Note: The depth value given by the client is ignored */ /* Note: The depth value given by the client is ignored */
int depth = max_values_to_depth(fmt->red_max, fmt->green_max, int depth =
fmt->blue_max); max_values_to_depth(fmt->red_max, fmt->green_max, fmt->blue_max);
if (depth < 0) if (depth < 0)
return DRM_FORMAT_INVALID; return DRM_FORMAT_INVALID;
uint32_t fourcc = uint32_t fourcc =
shift_values_to_fourcc(fmt->red_shift, fmt->green_shift, shift_values_to_fourcc(fmt->red_shift, fmt->green_shift,
fmt->blue_shift, fmt->bits_per_pixel); fmt->blue_shift, fmt->bits_per_pixel);
if (fourcc == DRM_FORMAT_INVALID) if (fourcc == DRM_FORMAT_INVALID)
return DRM_FORMAT_INVALID; return DRM_FORMAT_INVALID;
@ -435,23 +438,22 @@ uint32_t rfb_pixfmt_to_fourcc(const struct rfb_pixel_format *fmt)
return fourcc; return fourcc;
} }
static void send_server_init_message(struct nvnc_client *client) static void send_server_init_message(struct nvnc_client* client)
{ {
struct nvnc *server = client->server; struct nvnc* server = client->server;
struct vnc_display *display = &server->display; struct vnc_display* display = &server->display;
size_t name_len = strlen(display->name); size_t name_len = strlen(display->name);
size_t size = sizeof(struct rfb_server_init_msg) + name_len; size_t size = sizeof(struct rfb_server_init_msg) + name_len;
struct rfb_server_init_msg *msg = calloc(1, size); struct rfb_server_init_msg* msg = calloc(1, size);
if (!msg) { if (!msg) {
client_unref(client); client_unref(client);
return; return;
} }
msg->width = htons(display->width), msg->width = htons(display->width),
msg->height = htons(display->height), msg->height = htons(display->height), msg->name_length = htonl(name_len),
msg->name_length = htonl(name_len),
memcpy(msg->name_string, display->name, name_len); memcpy(msg->name_string, display->name, name_len);
int rc = rfb_pixfmt_from_fourcc(&msg->pixel_format, display->pixfmt); int rc = rfb_pixfmt_from_fourcc(&msg->pixel_format, display->pixfmt);
@ -469,7 +471,7 @@ static void send_server_init_message(struct nvnc_client *client)
free(msg); free(msg);
} }
static int on_init_message(struct nvnc_client *client) static int on_init_message(struct nvnc_client* client)
{ {
if (client->buffer_len - client->buffer_index < 1) if (client->buffer_len - client->buffer_index < 1)
return 0; return 0;
@ -488,15 +490,15 @@ static int on_init_message(struct nvnc_client *client)
return sizeof(shared_flag); return sizeof(shared_flag);
} }
static int on_client_set_pixel_format(struct nvnc_client *client) static int on_client_set_pixel_format(struct nvnc_client* client)
{ {
if (client->buffer_len - client->buffer_index if (client->buffer_len - client->buffer_index <
< 4 + sizeof(struct rfb_pixel_format)) 4 + sizeof(struct rfb_pixel_format))
return 0; return 0;
struct rfb_pixel_format *fmt = struct rfb_pixel_format* fmt =
(struct rfb_pixel_format*)(client->msg_buffer + (struct rfb_pixel_format*)(client->msg_buffer +
client->buffer_index + 4); client->buffer_index + 4);
if (!fmt->true_colour_flag) { if (!fmt->true_colour_flag) {
/* We don't really know what to do with color maps right now */ /* We don't really know what to do with color maps right now */
@ -515,11 +517,11 @@ static int on_client_set_pixel_format(struct nvnc_client *client)
return 4 + sizeof(struct rfb_pixel_format); return 4 + sizeof(struct rfb_pixel_format);
} }
static int on_client_set_encodings(struct nvnc_client *client) static int on_client_set_encodings(struct nvnc_client* client)
{ {
struct rfb_client_set_encodings_msg *msg = struct rfb_client_set_encodings_msg* msg =
(struct rfb_client_set_encodings_msg*)(client->msg_buffer + (struct rfb_client_set_encodings_msg*)(client->msg_buffer +
client->buffer_index); client->buffer_index);
int n_encodings = MIN(MAX_ENCODINGS, ntohs(msg->n_encodings)); int n_encodings = MIN(MAX_ENCODINGS, ntohs(msg->n_encodings));
int n = 0; int n = 0;
@ -545,7 +547,7 @@ static int on_client_set_encodings(struct nvnc_client *client)
return sizeof(*msg) + 4 * n_encodings; return sizeof(*msg) + 4 * n_encodings;
} }
static void process_fb_update_requests(struct nvnc_client *client) static void process_fb_update_requests(struct nvnc_client* client)
{ {
if (!client->server->frame) if (!client->server->frame)
return; return;
@ -564,13 +566,13 @@ static void process_fb_update_requests(struct nvnc_client *client)
schedule_client_update_fb(client); schedule_client_update_fb(client);
} }
static int on_client_fb_update_request(struct nvnc_client *client) static int on_client_fb_update_request(struct nvnc_client* client)
{ {
struct nvnc *server = client->server; struct nvnc* server = client->server;
struct rfb_client_fb_update_req_msg *msg = struct rfb_client_fb_update_req_msg* msg =
(struct rfb_client_fb_update_req_msg*)(client->msg_buffer + (struct rfb_client_fb_update_req_msg*)(client->msg_buffer +
client->buffer_index); client->buffer_index);
int incremental = msg->incremental; int incremental = msg->incremental;
int x = ntohs(msg->x); int x = ntohs(msg->x);
@ -584,8 +586,8 @@ static int on_client_fb_update_request(struct nvnc_client *client)
* updates. This avoids superfluous complexity. * updates. This avoids superfluous complexity.
*/ */
if (!incremental) if (!incremental)
pixman_region_union_rect(&client->damage, &client->damage, pixman_region_union_rect(&client->damage, &client->damage, x, y,
x, y, width, height); width, height);
nvnc_fb_req_fn fn = server->fb_req_fn; nvnc_fb_req_fn fn = server->fb_req_fn;
if (fn) if (fn)
@ -596,13 +598,13 @@ static int on_client_fb_update_request(struct nvnc_client *client)
return sizeof(*msg); return sizeof(*msg);
} }
static int on_client_key_event(struct nvnc_client *client) static int on_client_key_event(struct nvnc_client* client)
{ {
struct nvnc *server = client->server; struct nvnc* server = client->server;
struct rfb_client_key_event_msg *msg = struct rfb_client_key_event_msg* msg =
(struct rfb_client_key_event_msg*)(client->msg_buffer + (struct rfb_client_key_event_msg*)(client->msg_buffer +
client->buffer_index); client->buffer_index);
int down_flag = msg->down_flag; int down_flag = msg->down_flag;
uint32_t keysym = ntohl(msg->key); uint32_t keysym = ntohl(msg->key);
@ -614,13 +616,13 @@ static int on_client_key_event(struct nvnc_client *client)
return sizeof(*msg); return sizeof(*msg);
} }
static int on_client_pointer_event(struct nvnc_client *client) static int on_client_pointer_event(struct nvnc_client* client)
{ {
struct nvnc *server = client->server; struct nvnc* server = client->server;
struct rfb_client_pointer_event_msg *msg = struct rfb_client_pointer_event_msg* msg =
(struct rfb_client_pointer_event_msg*)(client->msg_buffer + (struct rfb_client_pointer_event_msg*)(client->msg_buffer +
client->buffer_index); client->buffer_index);
int button_mask = msg->button_mask; int button_mask = msg->button_mask;
uint16_t x = ntohs(msg->x); uint16_t x = ntohs(msg->x);
@ -633,11 +635,11 @@ static int on_client_pointer_event(struct nvnc_client *client)
return sizeof(*msg); return sizeof(*msg);
} }
static int on_client_cut_text(struct nvnc_client *client) static int on_client_cut_text(struct nvnc_client* client)
{ {
struct rfb_client_cut_text_msg *msg = struct rfb_client_cut_text_msg* msg =
(struct rfb_client_cut_text_msg*)(client->msg_buffer + (struct rfb_client_cut_text_msg*)(client->msg_buffer +
client->buffer_index); client->buffer_index);
uint32_t length = ntohl(msg->length); uint32_t length = ntohl(msg->length);
@ -646,13 +648,13 @@ static int on_client_cut_text(struct nvnc_client *client)
return sizeof(*msg) + length; return sizeof(*msg) + length;
} }
static int on_client_message(struct nvnc_client *client) static int on_client_message(struct nvnc_client* client)
{ {
if (client->buffer_len - client->buffer_index < 1) if (client->buffer_len - client->buffer_index < 1)
return 0; return 0;
enum rfb_client_to_server_msg_type type = enum rfb_client_to_server_msg_type type =
client->msg_buffer[client->buffer_index]; client->msg_buffer[client->buffer_index];
switch (type) { switch (type) {
case RFB_CLIENT_TO_SERVER_SET_PIXEL_FORMAT: case RFB_CLIENT_TO_SERVER_SET_PIXEL_FORMAT:
@ -673,7 +675,7 @@ static int on_client_message(struct nvnc_client *client)
return 0; return 0;
} }
static int try_read_client_message(struct nvnc_client *client) static int try_read_client_message(struct nvnc_client* client)
{ {
switch (client->state) { switch (client->state) {
case VNC_CLIENT_STATE_ERROR: case VNC_CLIENT_STATE_ERROR:
@ -693,12 +695,11 @@ static int try_read_client_message(struct nvnc_client *client)
return 0; return 0;
} }
static void on_client_read(uv_stream_t *stream, ssize_t n_read, static void on_client_read(uv_stream_t* stream, ssize_t n_read,
const uv_buf_t *buf) const uv_buf_t* buf)
{ {
struct nvnc_client *client = struct nvnc_client* client = container_of(
container_of((uv_tcp_t*)stream, struct nvnc_client, (uv_tcp_t*)stream, struct nvnc_client, stream_handle);
stream_handle);
if (n_read == UV_EOF) { if (n_read == UV_EOF) {
client_unref(client); client_unref(client);
@ -731,17 +732,17 @@ static void on_client_read(uv_stream_t *stream, ssize_t n_read,
assert(client->buffer_index <= client->buffer_len); assert(client->buffer_index <= client->buffer_len);
memmove(client->msg_buffer, client->msg_buffer + client->buffer_index, memmove(client->msg_buffer, client->msg_buffer + client->buffer_index,
client->buffer_index); client->buffer_index);
client->buffer_len -= client->buffer_index; client->buffer_len -= client->buffer_index;
client->buffer_index = 0; client->buffer_index = 0;
} }
static void on_connection(uv_stream_t *server_stream, int status) static void on_connection(uv_stream_t* server_stream, int status)
{ {
struct nvnc *server = container_of((uv_tcp_t*)server_stream, struct nvnc* server =
struct nvnc, tcp_handle); container_of((uv_tcp_t*)server_stream, struct nvnc, tcp_handle);
struct nvnc_client *client = calloc(1, sizeof(*client)); struct nvnc_client* client = calloc(1, sizeof(*client));
if (!client) if (!client)
return; return;
@ -749,11 +750,11 @@ static void on_connection(uv_stream_t *server_stream, int status)
client->server = server; client->server = server;
int rc = deflateInit2(&client->z_stream, int rc = deflateInit2(&client->z_stream,
/* compression level: */ 1, /* compression level: */ 1,
/* method: */ Z_DEFLATED, /* method: */ Z_DEFLATED,
/* window bits: */ 15, /* window bits: */ 15,
/* mem level: */ 9, /* mem level: */ 9,
/* strategy: */ Z_DEFAULT_STRATEGY); /* strategy: */ Z_DEFAULT_STRATEGY);
if (rc != Z_OK) { if (rc != Z_OK) {
free(client); free(client);
@ -765,26 +766,26 @@ static void on_connection(uv_stream_t *server_stream, int status)
uv_tcp_init(uv_default_loop(), &client->stream_handle); uv_tcp_init(uv_default_loop(), &client->stream_handle);
uv_accept((uv_stream_t*)&server->tcp_handle, uv_accept((uv_stream_t*)&server->tcp_handle,
(uv_stream_t*)&client->stream_handle); (uv_stream_t*)&client->stream_handle);
uv_read_start((uv_stream_t*)&client->stream_handle, uv_read_start((uv_stream_t*)&client->stream_handle,
allocate_read_buffer, on_client_read); allocate_read_buffer, on_client_read);
vnc__write((uv_stream_t*)&client->stream_handle, RFB_VERSION_MESSAGE, vnc__write((uv_stream_t*)&client->stream_handle, RFB_VERSION_MESSAGE,
strlen(RFB_VERSION_MESSAGE), NULL); strlen(RFB_VERSION_MESSAGE), NULL);
LIST_INSERT_HEAD(&server->clients, client, link); LIST_INSERT_HEAD(&server->clients, client, link);
client->state = VNC_CLIENT_STATE_WAITING_FOR_VERSION; client->state = VNC_CLIENT_STATE_WAITING_FOR_VERSION;
} }
int vnc_server_init(struct nvnc *self, const char* address, int port) int vnc_server_init(struct nvnc* self, const char* address, int port)
{ {
LIST_INIT(&self->clients); LIST_INIT(&self->clients);
uv_tcp_init(uv_default_loop(), &self->tcp_handle); uv_tcp_init(uv_default_loop(), &self->tcp_handle);
struct sockaddr_in addr = { 0 }; struct sockaddr_in addr = {0};
addr.sin_family = AF_INET; addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr(address); addr.sin_addr.s_addr = inet_addr(address);
addr.sin_port = htons(port); addr.sin_port = htons(port);
@ -803,9 +804,9 @@ failure:
} }
EXPORT EXPORT
struct nvnc *nvnc_open(const char *address, uint16_t port) struct nvnc* nvnc_open(const char* address, uint16_t port)
{ {
struct nvnc *self = calloc(1, sizeof(*self)); struct nvnc* self = calloc(1, sizeof(*self));
if (!self) if (!self)
return NULL; return NULL;
@ -815,7 +816,7 @@ struct nvnc *nvnc_open(const char *address, uint16_t port)
uv_tcp_init(uv_default_loop(), &self->tcp_handle); uv_tcp_init(uv_default_loop(), &self->tcp_handle);
struct sockaddr_in addr = { 0 }; struct sockaddr_in addr = {0};
addr.sin_family = AF_INET; addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr(address); addr.sin_addr.s_addr = inet_addr(address);
addr.sin_port = htons(port); addr.sin_port = htons(port);
@ -833,27 +834,27 @@ failure:
} }
EXPORT EXPORT
void nvnc_close(struct nvnc *self) void nvnc_close(struct nvnc* self)
{ {
struct nvnc_client *client; struct nvnc_client* client;
if (self->frame) if (self->frame)
nvnc_fb_unref(self->frame); nvnc_fb_unref(self->frame);
LIST_FOREACH(client, &self->clients, link) LIST_FOREACH (client, &self->clients, link)
client_unref(client); client_unref(client);
uv_unref((uv_handle_t*)&self->tcp_handle); uv_unref((uv_handle_t*)&self->tcp_handle);
free(self); free(self);
} }
static void free_write_buffer(uv_write_t *req, int status) static void free_write_buffer(uv_write_t* req, int status)
{ {
struct vnc_write_request *rq = (struct vnc_write_request*)req; struct vnc_write_request* rq = (struct vnc_write_request*)req;
free(rq->buffer.base); free(rq->buffer.base);
} }
enum rfb_encodings choose_frame_encoding(struct nvnc_client *client) enum rfb_encodings choose_frame_encoding(struct nvnc_client* client)
{ {
for (int i = 0; i < client->n_encodings; ++i) for (int i = 0; i < client->n_encodings; ++i)
switch (client->encodings[i]) { switch (client->encodings[i]) {
@ -867,11 +868,11 @@ enum rfb_encodings choose_frame_encoding(struct nvnc_client *client)
return -1; return -1;
} }
void do_client_update_fb(uv_work_t *work) void do_client_update_fb(uv_work_t* work)
{ {
struct fb_update_work *update = (void*)work; struct fb_update_work* update = (void*)work;
struct nvnc_client *client = update->client; struct nvnc_client* client = update->client;
const struct nvnc_fb *fb = update->fb; const struct nvnc_fb* fb = update->fb;
enum rfb_encodings encoding = choose_frame_encoding(client); enum rfb_encodings encoding = choose_frame_encoding(client);
assert(encoding != -1); assert(encoding != -1);
@ -879,30 +880,30 @@ void do_client_update_fb(uv_work_t *work)
switch (encoding) { switch (encoding) {
case RFB_ENCODING_RAW: case RFB_ENCODING_RAW:
raw_encode_frame(&update->frame, &client->pixfmt, fb, raw_encode_frame(&update->frame, &client->pixfmt, fb,
&update->server_fmt, &update->region); &update->server_fmt, &update->region);
break; break;
case RFB_ENCODING_ZRLE: case RFB_ENCODING_ZRLE:
zrle_encode_frame(&client->z_stream, &update->frame, zrle_encode_frame(&client->z_stream, &update->frame,
&client->pixfmt, fb, &update->server_fmt, &client->pixfmt, fb, &update->server_fmt,
&update->region); &update->region);
break; break;
default: default:
break; break;
} }
} }
void on_client_update_fb_done(uv_work_t *work, int status) void on_client_update_fb_done(uv_work_t* work, int status)
{ {
(void)status; (void)status;
struct fb_update_work *update = (void*)work; struct fb_update_work* update = (void*)work;
struct nvnc_client *client = update->client; struct nvnc_client* client = update->client;
struct nvnc *server = client->server; struct nvnc* server = client->server;
struct vec *frame = &update->frame; struct vec* frame = &update->frame;
if (!uv_is_closing((uv_handle_t*)&client->stream_handle)) if (!uv_is_closing((uv_handle_t*)&client->stream_handle))
vnc__write((uv_stream_t*)&client->stream_handle, vnc__write((uv_stream_t*)&client->stream_handle, frame->data,
frame->data, frame->len, free_write_buffer); frame->len, free_write_buffer);
client->is_updating = false; client->is_updating = false;
client->n_pending_requests--; client->n_pending_requests--;
@ -911,12 +912,12 @@ void on_client_update_fb_done(uv_work_t *work, int status)
client_unref(client); client_unref(client);
} }
int schedule_client_update_fb(struct nvnc_client *client) int schedule_client_update_fb(struct nvnc_client* client)
{ {
struct nvnc_fb* fb = client->server->frame; struct nvnc_fb* fb = client->server->frame;
assert(fb); assert(fb);
struct fb_update_work *work = calloc(1, sizeof(*work)); struct fb_update_work* work = calloc(1, sizeof(*work));
if (!work) if (!work)
return -1; return -1;
@ -938,7 +939,7 @@ int schedule_client_update_fb(struct nvnc_client *client)
nvnc_fb_ref(fb); nvnc_fb_ref(fb);
rc = uv_queue_work(uv_default_loop(), &work->work, do_client_update_fb, rc = uv_queue_work(uv_default_loop(), &work->work, do_client_update_fb,
on_client_update_fb_done); on_client_update_fb_done);
if (rc < 0) if (rc < 0)
goto queue_failure; goto queue_failure;
@ -955,10 +956,10 @@ pixfmt_failure:
} }
EXPORT EXPORT
int nvnc_feed_frame(struct nvnc *self, struct nvnc_fb *fb, int nvnc_feed_frame(struct nvnc* self, struct nvnc_fb* fb,
const struct pixman_region16 *damage) const struct pixman_region16* damage)
{ {
struct nvnc_client *client; struct nvnc_client* client;
if (self->frame) if (self->frame)
nvnc_fb_unref(self->frame); nvnc_fb_unref(self->frame);
@ -966,14 +967,14 @@ int nvnc_feed_frame(struct nvnc *self, struct nvnc_fb *fb,
self->frame = fb; self->frame = fb;
nvnc_fb_ref(self->frame); nvnc_fb_ref(self->frame);
LIST_FOREACH(client, &self->clients, link) { LIST_FOREACH (client, &self->clients, link) {
if (uv_is_closing((uv_handle_t*)&client->stream_handle)) if (uv_is_closing((uv_handle_t*)&client->stream_handle))
continue; continue;
pixman_region_union(&client->damage, &client->damage, pixman_region_union(&client->damage, &client->damage,
(struct pixman_region16*)damage); (struct pixman_region16*)damage);
pixman_region_intersect_rect(&client->damage, &client->damage, pixman_region_intersect_rect(&client->damage, &client->damage,
0, 0, fb->width, fb->height); 0, 0, fb->width, fb->height);
process_fb_update_requests(client); process_fb_update_requests(client);
} }
@ -982,52 +983,52 @@ int nvnc_feed_frame(struct nvnc *self, struct nvnc_fb *fb,
} }
EXPORT EXPORT
void nvnc_set_userdata(void *self, void *userdata) void nvnc_set_userdata(void* self, void* userdata)
{ {
struct nvnc_common *common = self; struct nvnc_common* common = self;
common->userdata = userdata; common->userdata = userdata;
} }
EXPORT EXPORT
void* nvnc_get_userdata(const void *self) void* nvnc_get_userdata(const void* self)
{ {
const struct nvnc_common *common = self; const struct nvnc_common* common = self;
return common->userdata; return common->userdata;
} }
EXPORT EXPORT
void nvnc_set_key_fn(struct nvnc *self, nvnc_key_fn fn) void nvnc_set_key_fn(struct nvnc* self, nvnc_key_fn fn)
{ {
self->key_fn = fn; self->key_fn = fn;
} }
EXPORT EXPORT
void nvnc_set_pointer_fn(struct nvnc *self, nvnc_pointer_fn fn) void nvnc_set_pointer_fn(struct nvnc* self, nvnc_pointer_fn fn)
{ {
self->pointer_fn = fn; self->pointer_fn = fn;
} }
EXPORT EXPORT
void nvnc_set_fb_req_fn(struct nvnc *self, nvnc_fb_req_fn fn) void nvnc_set_fb_req_fn(struct nvnc* self, nvnc_fb_req_fn fn)
{ {
self->fb_req_fn = fn; self->fb_req_fn = fn;
} }
EXPORT EXPORT
void nvnc_set_new_client_fn(struct nvnc *self, nvnc_client_fn fn) void nvnc_set_new_client_fn(struct nvnc* self, nvnc_client_fn fn)
{ {
self->new_client_fn = fn; self->new_client_fn = fn;
} }
EXPORT EXPORT
void nvnc_set_client_cleanup_fn(struct nvnc_client *self, nvnc_client_fn fn) void nvnc_set_client_cleanup_fn(struct nvnc_client* self, nvnc_client_fn fn)
{ {
self->cleanup_fn = fn; self->cleanup_fn = fn;
} }
EXPORT EXPORT
void nvnc_set_dimensions(struct nvnc *self, uint16_t width, uint16_t height, void nvnc_set_dimensions(struct nvnc* self, uint16_t width, uint16_t height,
uint32_t fourcc_format) uint32_t fourcc_format)
{ {
self->display.width = width; self->display.width = width;
self->display.height = height; self->display.height = height;
@ -1035,13 +1036,13 @@ void nvnc_set_dimensions(struct nvnc *self, uint16_t width, uint16_t height,
} }
EXPORT EXPORT
struct nvnc *nvnc_get_server(const struct nvnc_client *client) struct nvnc* nvnc_get_server(const struct nvnc_client* client)
{ {
return client->server; return client->server;
} }
EXPORT EXPORT
void nvnc_set_name(struct nvnc *self, const char *name) void nvnc_set_name(struct nvnc* self, const char* name)
{ {
strncpy(self->display.name, name, sizeof(self->display.name)); strncpy(self->display.name, name, sizeof(self->display.name));
self->display.name[sizeof(self->display.name) - 1] = '\0'; self->display.name[sizeof(self->display.name) - 1] = '\0';

12
src/util.c
View File

@ -20,18 +20,18 @@
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
static void on_write_req_done(uv_write_t *req, int status) static void on_write_req_done(uv_write_t* req, int status)
{ {
struct vnc_write_request *self = (struct vnc_write_request*)req; struct vnc_write_request* self = (struct vnc_write_request*)req;
if (self->on_done) if (self->on_done)
self->on_done(req, status); self->on_done(req, status);
free(self); free(self);
} }
int vnc__write(uv_stream_t *stream, const void *payload, size_t size, int vnc__write(uv_stream_t* stream, const void* payload, size_t size,
uv_write_cb on_done) uv_write_cb on_done)
{ {
struct vnc_write_request *req = calloc(1, sizeof(*req)); struct vnc_write_request* req = calloc(1, sizeof(*req));
if (!req) if (!req)
return -1; return -1;
@ -40,5 +40,5 @@ int vnc__write(uv_stream_t *stream, const void *payload, size_t size,
req->on_done = on_done; req->on_done = on_done;
return uv_write(&req->request, stream, &req->buffer, 1, return uv_write(&req->request, stream, &req->buffer, 1,
on_write_req_done); on_write_req_done);
} }

2
src/vec.c
View File

@ -50,7 +50,7 @@ static int vec__grow(struct vec* vec, size_t size)
{ {
if (likely(vec->len + size < vec->cap)) if (likely(vec->len + size < vec->cap))
return 0; return 0;
return vec_reserve(vec, 2 * (vec->len + size)); return vec_reserve(vec, 2 * (vec->len + size));
} }

112
src/zrle.c
View File

@ -36,8 +36,8 @@
#define UDIV_UP(a, b) (((a) + (b) - 1) / (b)) #define UDIV_UP(a, b) (((a) + (b) - 1) / (b))
static inline int find_colour_in_palette(uint32_t *palette, int len, static inline int find_colour_in_palette(uint32_t* palette, int len,
uint32_t colour) uint32_t colour)
{ {
for (int i = 0; i < len; ++i) for (int i = 0; i < len; ++i)
if (palette[i] == colour) if (palette[i] == colour)
@ -46,7 +46,7 @@ static inline int find_colour_in_palette(uint32_t *palette, int len,
return -1; return -1;
} }
int zrle_get_tile_palette(uint32_t *palette, const uint32_t *src, size_t length) int zrle_get_tile_palette(uint32_t* palette, const uint32_t* src, size_t length)
{ {
int n = 0; int n = 0;
@ -67,22 +67,22 @@ int zrle_get_tile_palette(uint32_t *palette, const uint32_t *src, size_t length)
return n; return n;
} }
void zrle_encode_unichrome_tile(struct vec *dst, void zrle_encode_unichrome_tile(struct vec* dst,
const struct rfb_pixel_format *dst_fmt, const struct rfb_pixel_format* dst_fmt,
uint32_t colour, uint32_t colour,
const struct rfb_pixel_format *src_fmt) const struct rfb_pixel_format* src_fmt)
{ {
int bytes_per_cpixel = dst_fmt->depth / 8; int bytes_per_cpixel = dst_fmt->depth / 8;
vec_fast_append_8(dst, 1); vec_fast_append_8(dst, 1);
pixel32_to_cpixel(((uint8_t*)dst->data) + 1, dst_fmt, &colour, src_fmt, pixel32_to_cpixel(((uint8_t*)dst->data) + 1, dst_fmt, &colour, src_fmt,
bytes_per_cpixel, 1); bytes_per_cpixel, 1);
dst->len += bytes_per_cpixel; dst->len += bytes_per_cpixel;
} }
void encode_run_length(struct vec *dst, uint8_t index, int run_length) void encode_run_length(struct vec* dst, uint8_t index, int run_length)
{ {
if (run_length == 1) { if (run_length == 1) {
vec_fast_append_8(dst, index); vec_fast_append_8(dst, index);
@ -99,18 +99,17 @@ void encode_run_length(struct vec *dst, uint8_t index, int run_length)
vec_fast_append_8(dst, run_length - 1); vec_fast_append_8(dst, run_length - 1);
} }
void zrle_encode_packed_tile(struct vec *dst, void zrle_encode_packed_tile(struct vec* dst,
const struct rfb_pixel_format *dst_fmt, const struct rfb_pixel_format* dst_fmt,
const uint32_t *src, const uint32_t* src,
const struct rfb_pixel_format *src_fmt, const struct rfb_pixel_format* src_fmt,
size_t length, size_t length, uint32_t* palette, int palette_size)
uint32_t *palette, int palette_size)
{ {
int bytes_per_cpixel = dst_fmt->depth / 8; int bytes_per_cpixel = dst_fmt->depth / 8;
uint8_t cpalette[16 * 3]; uint8_t cpalette[16 * 3];
pixel32_to_cpixel((uint8_t*)cpalette, dst_fmt, palette, pixel32_to_cpixel((uint8_t*)cpalette, dst_fmt, palette, src_fmt,
src_fmt, bytes_per_cpixel, palette_size); bytes_per_cpixel, palette_size);
vec_fast_append_8(dst, 128 | palette_size); vec_fast_append_8(dst, 128 | palette_size);
@ -125,30 +124,28 @@ void zrle_encode_packed_tile(struct vec *dst,
continue; continue;
} }
index = find_colour_in_palette(palette, palette_size, index = find_colour_in_palette(palette, palette_size, src[i - 1]);
src[i - 1]);
encode_run_length(dst, index, run_length); encode_run_length(dst, index, run_length);
run_length = 1; run_length = 1;
} }
if (run_length > 0) { if (run_length > 0) {
index = find_colour_in_palette(palette, palette_size, index = find_colour_in_palette(palette, palette_size,
src[length - 1]); src[length - 1]);
encode_run_length(dst, index, run_length); encode_run_length(dst, index, run_length);
} }
} }
void zrle_copy_tile(uint32_t *dst, const uint32_t *src, int stride, void zrle_copy_tile(uint32_t* dst, const uint32_t* src, int stride, int width,
int width, int height) int height)
{ {
for (int y = 0; y < height; ++y) for (int y = 0; y < height; ++y)
memcpy(dst + y * width, src + y * stride, width * 4); memcpy(dst + y * width, src + y * stride, width * 4);
} }
void zrle_encode_tile(struct vec *dst, const struct rfb_pixel_format *dst_fmt, void zrle_encode_tile(struct vec* dst, const struct rfb_pixel_format* dst_fmt,
const uint32_t *src, const uint32_t* src,
const struct rfb_pixel_format *src_fmt, const struct rfb_pixel_format* src_fmt, size_t length)
size_t length)
{ {
int bytes_per_cpixel = dst_fmt->depth / 8; int bytes_per_cpixel = dst_fmt->depth / 8;
@ -164,20 +161,19 @@ void zrle_encode_tile(struct vec *dst, const struct rfb_pixel_format *dst_fmt,
if (palette_size > 1) { if (palette_size > 1) {
zrle_encode_packed_tile(dst, dst_fmt, src, src_fmt, length, zrle_encode_packed_tile(dst, dst_fmt, src, src_fmt, length,
palette, palette_size); palette, palette_size);
return; return;
} }
vec_fast_append_8(dst, 0); vec_fast_append_8(dst, 0);
pixel32_to_cpixel(((uint8_t*)dst->data) + 1, dst_fmt, src, src_fmt, pixel32_to_cpixel(((uint8_t*)dst->data) + 1, dst_fmt, src, src_fmt,
bytes_per_cpixel, length); bytes_per_cpixel, length);
dst->len += bytes_per_cpixel * length; dst->len += bytes_per_cpixel * length;
} }
int zrle_deflate(struct vec* dst, const struct vec* src, z_stream* zs, int zrle_deflate(struct vec* dst, const struct vec* src, z_stream* zs, bool flush)
bool flush)
{ {
int r = Z_STREAM_ERROR; int r = Z_STREAM_ERROR;
@ -202,18 +198,17 @@ int zrle_deflate(struct vec* dst, const struct vec* src, z_stream* zs,
return 0; return 0;
} }
int zrle_encode_box(struct vec* out, const struct rfb_pixel_format *dst_fmt, int zrle_encode_box(struct vec* out, const struct rfb_pixel_format* dst_fmt,
const struct nvnc_fb *fb, const struct nvnc_fb* fb,
const struct rfb_pixel_format *src_fmt, const struct rfb_pixel_format* src_fmt, int x, int y,
int x, int y, int stride, int width, int height, int stride, int width, int height, z_stream* zs)
z_stream* zs)
{ {
int r = -1; int r = -1;
int bytes_per_cpixel = dst_fmt->depth / 8; int bytes_per_cpixel = dst_fmt->depth / 8;
int chunk_size = 1 + bytes_per_cpixel * TILE_LENGTH * TILE_LENGTH; int chunk_size = 1 + bytes_per_cpixel * TILE_LENGTH * TILE_LENGTH;
struct vec in; struct vec in;
uint32_t *tile = malloc(TILE_LENGTH * TILE_LENGTH * 4); uint32_t* tile = malloc(TILE_LENGTH * TILE_LENGTH * 4);
if (!tile) if (!tile)
goto failure; goto failure;
@ -221,11 +216,11 @@ int zrle_encode_box(struct vec* out, const struct rfb_pixel_format *dst_fmt,
goto failure; goto failure;
struct rfb_server_fb_rect rect = { struct rfb_server_fb_rect rect = {
.encoding = htonl(RFB_ENCODING_ZRLE), .encoding = htonl(RFB_ENCODING_ZRLE),
.x = htons(x), .x = htons(x),
.y = htons(y), .y = htons(y),
.width = htons(width), .width = htons(width),
.height = htons(height), .height = htons(height),
}; };
r = vec_append(out, &rect, sizeof(rect)); r = vec_append(out, &rect, sizeof(rect));
@ -236,24 +231,26 @@ int zrle_encode_box(struct vec* out, const struct rfb_pixel_format *dst_fmt,
size_t size_index = out->len; size_t size_index = out->len;
vec_append_zero(out, 4); vec_append_zero(out, 4);
int n_tiles = int n_tiles = UDIV_UP(width, TILE_LENGTH) * UDIV_UP(height, TILE_LENGTH);
UDIV_UP(width, TILE_LENGTH) * UDIV_UP(height, TILE_LENGTH);
for (int i = 0; i < n_tiles; ++i) { for (int i = 0; i < n_tiles; ++i) {
int tile_x = (i % UDIV_UP(width, TILE_LENGTH)) * TILE_LENGTH; int tile_x = (i % UDIV_UP(width, TILE_LENGTH)) * TILE_LENGTH;
int tile_y = (i / UDIV_UP(width, TILE_LENGTH)) * TILE_LENGTH; int tile_y = (i / UDIV_UP(width, TILE_LENGTH)) * TILE_LENGTH;
int tile_width = width - tile_x >= TILE_LENGTH ? TILE_LENGTH : width - tile_x; int tile_width = width - tile_x >= TILE_LENGTH ? TILE_LENGTH
int tile_height = height - tile_y >= TILE_LENGTH ? TILE_LENGTH : height - tile_y; : width - tile_x;
int tile_height = height - tile_y >= TILE_LENGTH
? TILE_LENGTH
: height - tile_y;
int y_off = y + tile_y; int y_off = y + tile_y;
zrle_copy_tile(tile, zrle_copy_tile(tile,
((uint32_t*)fb->addr) + x + tile_x + y_off * stride, ((uint32_t*)fb->addr) + x + tile_x + y_off * stride,
stride, tile_width, tile_height); stride, tile_width, tile_height);
zrle_encode_tile(&in, dst_fmt, tile, src_fmt, zrle_encode_tile(&in, dst_fmt, tile, src_fmt,
tile_width * tile_height); tile_width * tile_height);
r = zrle_deflate(out, &in, zs, i == n_tiles - 1); r = zrle_deflate(out, &in, zs, i == n_tiles - 1);
if (r < 0) if (r < 0)
@ -270,25 +267,24 @@ failure:
#undef CHUNK #undef CHUNK
} }
int zrle_encode_frame(z_stream *zs, int zrle_encode_frame(z_stream* zs, struct vec* dst,
struct vec* dst, const struct rfb_pixel_format* dst_fmt,
const struct rfb_pixel_format *dst_fmt, const struct nvnc_fb* src,
const struct nvnc_fb *src, const struct rfb_pixel_format* src_fmt,
const struct rfb_pixel_format *src_fmt, struct pixman_region16* region)
struct pixman_region16 *region)
{ {
int rc = -1; int rc = -1;
int n_rects = 0; int n_rects = 0;
struct pixman_box16 *box = pixman_region_rectangles(region, &n_rects); struct pixman_box16* box = pixman_region_rectangles(region, &n_rects);
if (n_rects > UINT16_MAX) { if (n_rects > UINT16_MAX) {
box = pixman_region_extents(region); box = pixman_region_extents(region);
n_rects = 1; n_rects = 1;
} }
struct rfb_server_fb_update_msg head = { struct rfb_server_fb_update_msg head = {
.type = RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE, .type = RFB_SERVER_TO_CLIENT_FRAMEBUFFER_UPDATE,
.n_rects = htons(n_rects), .n_rects = htons(n_rects),
}; };
rc = vec_append(dst, &head, sizeof(head)); rc = vec_append(dst, &head, sizeof(head));
@ -302,7 +298,7 @@ int zrle_encode_frame(z_stream *zs,
int box_height = box[i].y2 - y; int box_height = box[i].y2 - y;
rc = zrle_encode_box(dst, dst_fmt, src, src_fmt, x, y, rc = zrle_encode_box(dst, dst_fmt, src, src_fmt, x, y,
src->width, box_width, box_height, zs); src->width, box_width, box_height, zs);
if (rc < 0) if (rc < 0)
return -1; return -1;
} }