summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--xrdp/xrdp.h3
-rw-r--r--xrdp/xrdp_bitmap.c134
-rw-r--r--xrdp/xrdp_cache.c204
-rw-r--r--xrdp/xrdp_types.h22
4 files changed, 222 insertions, 141 deletions
diff --git a/xrdp/xrdp.h b/xrdp/xrdp.h
index 5dc20ecd..a4d2971b 100644
--- a/xrdp/xrdp.h
+++ b/xrdp/xrdp.h
@@ -213,9 +213,6 @@ int APP_CC
xrdp_bitmap_compare(struct xrdp_bitmap* self,
struct xrdp_bitmap* b);
int APP_CC
-xrdp_bitmap_compare_with_crc(struct xrdp_bitmap* self,
- struct xrdp_bitmap* b);
-int APP_CC
xrdp_bitmap_invalidate(struct xrdp_bitmap* self, struct xrdp_rect* rect);
int APP_CC
xrdp_bitmap_def_proc(struct xrdp_bitmap* self, int msg,
diff --git a/xrdp/xrdp_bitmap.c b/xrdp/xrdp_bitmap.c
index 46fb6401..2fe87c4c 100644
--- a/xrdp/xrdp_bitmap.c
+++ b/xrdp/xrdp_bitmap.c
@@ -23,9 +23,22 @@
#include "xrdp.h"
#include "log.h"
-
-static int g_crc_seed = 0xffffffff;
-static int g_crc_table[256] =
+#include "crc16.h"
+
+#define LLOG_LEVEL 1
+#define LLOGLN(_level, _args) \
+ do \
+ { \
+ if (_level < LLOG_LEVEL) \
+ { \
+ g_write("xrdp:xrdp_bitmap [%10.10u]: ", g_time3()); \
+ g_writeln _args ; \
+ } \
+ } \
+ while (0)
+
+
+static const int g_crc_table[256] =
{
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
@@ -72,10 +85,10 @@ static int g_crc_table[256] =
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
-#define CRC_START(in_crc) (in_crc) = g_crc_seed
+#define CRC_START(in_crc) (in_crc) = 0xFFFFFFFF
#define CRC_PASS(in_pixel, in_crc) \
(in_crc) = g_crc_table[((in_crc) ^ (in_pixel)) & 0xff] ^ ((in_crc) >> 8)
-#define CRC_END(in_crc) (in_crc) = ((in_crc) ^ g_crc_seed)
+#define CRC_END(in_crc) (in_crc) = ((in_crc) ^ 0xFFFFFFFF)
/*****************************************************************************/
struct xrdp_bitmap *APP_CC
@@ -809,20 +822,20 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
struct xrdp_bitmap *dest,
int x, int y, int cx, int cy)
{
- int i = 0;
- int j = 0;
- int destx = 0;
- int desty = 0;
- int pixel = 0;
- int crc = 0;
- int incs = 0;
- int incd = 0;
- unsigned char *s8 = (unsigned char *)NULL;
- unsigned char *d8 = (unsigned char *)NULL;
- unsigned short *s16 = (unsigned short *)NULL;
- unsigned short *d16 = (unsigned short *)NULL;
- unsigned int *s32;
- unsigned int *d32;
+ int i;
+ int j;
+ int destx;
+ int desty;
+ int pixel;
+ int crc;
+ int incs;
+ int incd;
+ tui8 *s8;
+ tui8 *d8;
+ tui16 *s16;
+ tui16 *d16;
+ tui32 *s32;
+ tui32 *d32;
if (self == 0)
{
@@ -864,47 +877,54 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
CRC_START(crc);
+ CRC_PASS(self->width, crc);
+ CRC_PASS(self->width >> 8, crc);
+
+ CRC_PASS(self->height, crc);
+ CRC_PASS(self->height >> 8, crc);
+
if (self->bpp == 24)
{
- s32 = ((unsigned int *)(self->data)) + (self->width * y + x);
- d32 = ((unsigned int *)(dest->data)) + (dest->width * desty + destx);
+ s32 = ((tui32 *)(self->data)) + (self->width * y + x);
+ d32 = ((tui32 *)(dest->data)) + (dest->width * desty + destx);
incs = self->width - cx;
incd = dest->width - cx;
for (i = 0; i < cy; i++)
{
j = 0;
+
while (j < cx - 4)
{
pixel = *s32;
+ *d32 = pixel;
CRC_PASS(pixel, crc);
CRC_PASS(pixel >> 8, crc);
CRC_PASS(pixel >> 16, crc);
- *d32 = pixel;
s32++;
d32++;
pixel = *s32;
+ *d32 = pixel;
CRC_PASS(pixel, crc);
CRC_PASS(pixel >> 8, crc);
CRC_PASS(pixel >> 16, crc);
- *d32 = pixel;
s32++;
d32++;
pixel = *s32;
+ *d32 = pixel;
CRC_PASS(pixel, crc);
CRC_PASS(pixel >> 8, crc);
CRC_PASS(pixel >> 16, crc);
- *d32 = pixel;
s32++;
d32++;
pixel = *s32;
+ *d32 = pixel;
CRC_PASS(pixel, crc);
CRC_PASS(pixel >> 8, crc);
CRC_PASS(pixel >> 16, crc);
- *d32 = pixel;
s32++;
d32++;
@@ -913,10 +933,10 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
while (j < cx)
{
pixel = *s32;
+ *d32 = pixel;
CRC_PASS(pixel, crc);
CRC_PASS(pixel >> 8, crc);
CRC_PASS(pixel >> 16, crc);
- *d32 = pixel;
s32++;
d32++;
@@ -929,8 +949,8 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
}
else if (self->bpp == 15 || self->bpp == 16)
{
- s16 = ((unsigned short *)(self->data)) + (self->width * y + x);
- d16 = ((unsigned short *)(dest->data)) + (dest->width * desty + destx);
+ s16 = ((tui16 *)(self->data)) + (self->width * y + x);
+ d16 = ((tui16 *)(dest->data)) + (dest->width * desty + destx);
incs = self->width - cx;
incd = dest->width - cx;
@@ -939,9 +959,9 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
for (j = 0; j < cx; j++)
{
pixel = *s16;
+ *d16 = pixel;
CRC_PASS(pixel, crc);
CRC_PASS(pixel >> 8, crc);
- *d16 = pixel;
s16++;
d16++;
}
@@ -952,8 +972,8 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
}
else if (self->bpp == 8)
{
- s8 = ((unsigned char *)(self->data)) + (self->width * y + x);
- d8 = ((unsigned char *)(dest->data)) + (dest->width * desty + destx);
+ s8 = ((tui8 *)(self->data)) + (self->width * y + x);
+ d8 = ((tui8 *)(dest->data)) + (dest->width * desty + destx);
incs = self->width - cx;
incd = dest->width - cx;
@@ -962,8 +982,8 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
for (j = 0; j < cx; j++)
{
pixel = *s8;
- CRC_PASS(pixel, crc);
*d8 = pixel;
+ CRC_PASS(pixel, crc);
s8++;
d8++;
}
@@ -978,7 +998,14 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
}
CRC_END(crc);
- dest->crc = crc;
+ dest->crc32 = crc;
+ dest->crc16 = dest->crc32 & 0xffff;
+
+ LLOGLN(10, ("xrdp_bitmap_copy_box_with_crc: crc16 0x%4.4x",
+ dest->crc16));
+ LLOGLN(10, ("xrdp_bitmap_copy_box_with_crc: width %d height %d",
+ dest->width, dest->height));
+
return 0;
}
@@ -988,45 +1015,8 @@ int APP_CC
xrdp_bitmap_compare(struct xrdp_bitmap *self,
struct xrdp_bitmap *b)
{
- if (self == 0)
- {
- return 0;
- }
+ LLOGLN(10, ("xrdp_bitmap_compare:"));
- if (b == 0)
- {
- return 0;
- }
-
- if (self->bpp != b->bpp)
- {
- return 0;
- }
-
- if (self->width != b->width)
- {
- return 0;
- }
-
- if (self->height != b->height)
- {
- return 0;
- }
-
- if (g_memcmp(self->data, b->data, b->height * b->line_size) == 0)
- {
- return 1;
- }
-
- return 0;
-}
-
-/*****************************************************************************/
-/* returns true if they are the same, else returns false */
-int APP_CC
-xrdp_bitmap_compare_with_crc(struct xrdp_bitmap *self,
- struct xrdp_bitmap *b)
-{
if (self == 0)
{
return 0;
@@ -1052,7 +1042,7 @@ xrdp_bitmap_compare_with_crc(struct xrdp_bitmap *self,
return 0;
}
- if (self->crc == b->crc)
+ if (g_memcmp(self->data, b->data, b->height * b->line_size) == 0)
{
return 1;
}
diff --git a/xrdp/xrdp_cache.c b/xrdp/xrdp_cache.c
index 22bbea3c..3510856d 100644
--- a/xrdp/xrdp_cache.c
+++ b/xrdp/xrdp_cache.c
@@ -20,6 +20,7 @@
#include "xrdp.h"
#include "log.h"
+#include "crc16.h"
#define LLOG_LEVEL 1
#define LLOGLN(_level, _args) \
@@ -34,6 +35,60 @@
while (0)
/*****************************************************************************/
+static int APP_CC
+xrdp_cache_reset_lru(struct xrdp_cache *self)
+{
+ int index;
+ int jndex;
+ struct xrdp_lru_item *lru;
+
+ for (index = 0; index < XRDP_MAX_BITMAP_CACHE_ID; index++)
+ {
+ /* fist item */
+ lru = &(self->bitmap_lrus[index][0]);
+ lru->next = 1;
+ lru->prev = -1;
+ lru->cacheid = -1;
+ /* middle items */
+ for (jndex = 1; jndex < XRDP_MAX_BITMAP_CACHE_IDX - 1; jndex++)
+ {
+ lru = &(self->bitmap_lrus[index][jndex]);
+ lru->next = jndex + 1;
+ lru->prev = jndex - 1;
+ lru->cacheid = -1;
+ }
+ /* last item */
+ lru = &(self->bitmap_lrus[index][XRDP_MAX_BITMAP_CACHE_IDX - 1]);
+ lru->next = -1;
+ lru->prev = XRDP_MAX_BITMAP_CACHE_IDX - 2;
+ lru->cacheid = -1;
+
+ self->lru_head[index] = 0;
+ self->lru_tail[index] = XRDP_MAX_BITMAP_CACHE_IDX - 1;
+
+ }
+ return 0;
+}
+
+/*****************************************************************************/
+static int APP_CC
+xrdp_cache_reset_crc(struct xrdp_cache *self)
+{
+ int index;
+ int jndex;
+
+ for (index = 0; index < XRDP_MAX_BITMAP_CACHE_ID; index++)
+ {
+ for (jndex = 0; jndex < 64 * 1024; jndex++)
+ {
+ list_delete(self->crc16[index][jndex]);
+ self->crc16[index][jndex] = list_create();
+ }
+ }
+ return 0;
+}
+
+/*****************************************************************************/
struct xrdp_cache *APP_CC
xrdp_cache_create(struct xrdp_wm *owner,
struct xrdp_session *session,
@@ -65,6 +120,8 @@ xrdp_cache_create(struct xrdp_wm *owner,
self->bitmap_cache_version = client_info->bitmap_cache_version;
self->pointer_cache_entries = client_info->pointer_cache_entries;
self->xrdp_os_del_list = list_create();
+ xrdp_cache_reset_lru(self);
+ xrdp_cache_reset_crc(self);
LLOGLN(10, ("xrdp_cache_create: 0 %d 1 %d 2 %d",
self->cache1_entries, self->cache2_entries, self->cache3_entries));
return self;
@@ -157,11 +214,13 @@ xrdp_cache_reset(struct xrdp_cache *self,
self->bitmap_cache_persist_enable = client_info->bitmap_cache_persist_enable;
self->bitmap_cache_version = client_info->bitmap_cache_version;
self->pointer_cache_entries = client_info->pointer_cache_entries;
+ xrdp_cache_reset_lru(self);
+ xrdp_cache_reset_crc(self);
return 0;
}
#define COMPARE_WITH_CRC(_b1, _b2) \
- ((_b1 != 0) && (_b2 != 0) && (_b1->crc == _b2->crc) && \
+ ((_b1 != 0) && (_b2 != 0) && (_b1->crc32 == _b2->crc32) && \
(_b1->bpp == _b2->bpp) && \
(_b1->width == _b2->width) && (_b1->height == _b2->height))
@@ -171,87 +230,71 @@ int APP_CC
xrdp_cache_add_bitmap(struct xrdp_cache *self, struct xrdp_bitmap *bitmap,
int hints)
{
- int i = 0;
- int j = 0;
- int oldest = 0;
- int cache_id = 0;
- int cache_idx = 0;
- int bmp_size = 0;
- int e = 0;
- int Bpp = 0;
-
- e = bitmap->width % 4;
-
- if (e != 0)
- {
- e = 4 - e;
- }
-
+ int i;
+ int j;
+ int oldest;
+ int cache_id;
+ int cache_idx;
+ int bmp_size;
+ int e;
+ int Bpp;
+ int crc16;
+ int iig;
+ int found;
+ int cacheidx;
+ struct list *ll;
+ struct xrdp_bitmap *lbm;
+
+ LLOGLN(10, ("xrdp_cache_add_bitmap:"));
+ LLOGLN(10, ("xrdp_cache_add_bitmap: crc16 0x%4.4x",
+ bitmap->crc16));
+
+ e = (4 - (bitmap->width % 4)) & 3;
+ found = 0;
+ i = 0;
+
+ /* client Bpp, bmp_size */
Bpp = (bitmap->bpp + 7) / 8;
bmp_size = (bitmap->width + e) * bitmap->height * Bpp;
self->bitmap_stamp++;
- /* look for match */
if (bmp_size <= self->cache1_size)
{
i = 0;
-
- for (j = 0; j < self->cache1_entries; j++)
- {
-#ifdef USE_CRC
- if (COMPARE_WITH_CRC(self->bitmap_items[i][j].bitmap, bitmap))
-#else
- if (xrdp_bitmap_compare(self->bitmap_items[i][j].bitmap, bitmap))
-#endif
- {
- self->bitmap_items[i][j].stamp = self->bitmap_stamp;
- LLOGLN(10, ("found bitmap at %d %d", i, j));
- xrdp_bitmap_delete(bitmap);
- return MAKELONG(j, i);
- }
- }
}
else if (bmp_size <= self->cache2_size)
{
i = 1;
-
- for (j = 0; j < self->cache2_entries; j++)
- {
-#ifdef USE_CRC
- if (COMPARE_WITH_CRC(self->bitmap_items[i][j].bitmap, bitmap))
-#else
- if (xrdp_bitmap_compare(self->bitmap_items[i][j].bitmap, bitmap))
-#endif
- {
- self->bitmap_items[i][j].stamp = self->bitmap_stamp;
- LLOGLN(10, ("found bitmap at %d %d", i, j));
- xrdp_bitmap_delete(bitmap);
- return MAKELONG(j, i);
- }
- }
}
else if (bmp_size <= self->cache3_size)
{
i = 2;
+ }
+ else
+ {
+ log_message(LOG_LEVEL_ERROR, "error in xrdp_cache_add_bitmap, "
+ "too big(%d) bpp %d", bmp_size, bitmap->bpp);
+ return 0;
+ }
- for (j = 0; j < self->cache3_entries; j++)
+ crc16 = bitmap->crc16;
+ ll = self->crc16[i][crc16];
+ for (j = 0; j < ll->count; j++)
+ {
+ cacheidx = list_get_item(ll, j);
+ if (COMPARE_WITH_CRC(self->bitmap_items[i][cacheidx].bitmap, bitmap))
{
-#ifdef USE_CRC
- if (COMPARE_WITH_CRC(self->bitmap_items[i][j].bitmap, bitmap))
-#else
- if (xrdp_bitmap_compare(self->bitmap_items[i][j].bitmap, bitmap))
-#endif
- {
- self->bitmap_items[i][j].stamp = self->bitmap_stamp;
- LLOGLN(10, ("found bitmap at %d %d", i, j));
- xrdp_bitmap_delete(bitmap);
- return MAKELONG(j, i);
- }
+ j = cacheidx;
+ LLOGLN(10, ("found bitmap at %d %d", i, j));
+ found = 1;
+ break;
}
}
- else
+ if (found)
{
- log_message(LOG_LEVEL_ERROR,"error in xrdp_cache_add_bitmap, too big(%d) bpp %d", bmp_size, bitmap->bpp);
+ self->bitmap_items[i][j].stamp = self->bitmap_stamp;
+ xrdp_bitmap_delete(bitmap);
+ return MAKELONG(j, i);
}
/* look for oldest */
@@ -301,14 +344,45 @@ xrdp_cache_add_bitmap(struct xrdp_cache *self, struct xrdp_bitmap *bitmap,
}
}
}
+
+ LLOGLN(10, ("xrdp_cache_add_bitmap: oldest %d %d", cache_id, cache_idx));
+
+ LLOGLN(10, ("adding bitmap at %d %d old ptr %p new ptr %p",
+ cache_id, cache_idx,
+ self->bitmap_items[cache_id][cache_idx].bitmap,
+ bitmap));
+
+ /* remove old, about to be deleted, from crc16 list */
+ lbm = self->bitmap_items[cache_id][cache_idx].bitmap;
+ if (lbm != 0)
+ {
+ crc16 = lbm->crc16;
+ ll = self->crc16[cache_id][crc16];
+ iig = list_index_of(ll, cache_idx);
+ if (iig == -1)
+ {
+ LLOGLN(0, ("xrdp_cache_add_bitmap: error removing cache_idx"));
+ }
+ LLOGLN(10, ("xrdp_cache_add_bitmap: removing index %d from crc16 %d",
+ iig, crc16));
+ list_remove_item(ll, iig);
+ xrdp_bitmap_delete(lbm);
+ }
- LLOGLN(10, ("adding bitmap at %d %d ptr %p", cache_id, cache_idx,
- self->bitmap_items[cache_id][cache_idx].bitmap));
/* set, send bitmap and return */
- xrdp_bitmap_delete(self->bitmap_items[cache_id][cache_idx].bitmap);
+
self->bitmap_items[cache_id][cache_idx].bitmap = bitmap;
self->bitmap_items[cache_id][cache_idx].stamp = self->bitmap_stamp;
+ /* add to crc16 list */
+ crc16 = bitmap->crc16;
+ ll = self->crc16[cache_id][crc16];
+ list_add_item(ll, cache_idx);
+ if (ll->count > 1)
+ {
+ LLOGLN(10, ("xrdp_cache_add_bitmap: count %d", ll->count));
+ }
+
if (self->use_bitmap_comp)
{
if (self->bitmap_cache_version & 4)
diff --git a/xrdp/xrdp_types.h b/xrdp/xrdp_types.h
index b345e36c..c3cf71b7 100644
--- a/xrdp/xrdp_types.h
+++ b/xrdp/xrdp_types.h
@@ -177,9 +177,18 @@ struct xrdp_palette_item
struct xrdp_bitmap_item
{
int stamp;
+ int lru_index;
struct xrdp_bitmap* bitmap;
};
+struct xrdp_lru_item
+{
+ int next;
+ int prev;
+ int cacheid;
+ int pad0;
+};
+
struct xrdp_os_bitmap_item
{
int id;
@@ -225,6 +234,16 @@ struct xrdp_cache
int bitmap_stamp;
struct xrdp_bitmap_item bitmap_items[XRDP_MAX_BITMAP_CACHE_ID]
[XRDP_MAX_BITMAP_CACHE_IDX];
+
+ /* lru optimize */
+ struct xrdp_lru_item bitmap_lrus[XRDP_MAX_BITMAP_CACHE_ID]
+ [XRDP_MAX_BITMAP_CACHE_IDX];
+ int lru_head[XRDP_MAX_BITMAP_CACHE_ID];
+ int lru_tail[XRDP_MAX_BITMAP_CACHE_ID];
+
+ /* crc optimize */
+ struct list *crc16[XRDP_MAX_BITMAP_CACHE_ID][64 * 1024];
+
int use_bitmap_comp;
int cache1_entries;
int cache1_size;
@@ -453,7 +472,8 @@ struct xrdp_bitmap
struct xrdp_bitmap* popped_from;
int item_height;
/* crc */
- int crc;
+ int crc32;
+ int crc16;
};
#define NUM_FONTS 0x4e00