FreeRDP/libfreerdp/cache/bitmap.c
2023-11-24 14:54:56 +01:00

592 lines
15 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Bitmap Cache V2
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <freerdp/config.h>
#include <stdio.h>
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <freerdp/freerdp.h>
#include <freerdp/constants.h>
#include <winpr/stream.h>
#include <freerdp/log.h>
#include <freerdp/gdi/bitmap.h>
#include "../gdi/gdi.h"
#include "../core/graphics.h"
#include "bitmap.h"
#include "cache.h"
#define TAG FREERDP_TAG("cache.bitmap")
static rdpBitmap* bitmap_cache_get(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index);
static BOOL bitmap_cache_put(rdpBitmapCache* bitmap_cache, UINT32 id, UINT32 index,
rdpBitmap* bitmap);
static BOOL update_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
{
rdpBitmap* bitmap;
rdpCache* cache;
cache = context->cache;
if (memblt->cacheId == 0xFF)
bitmap = offscreen_cache_get(cache->offscreen, memblt->cacheIndex);
else
bitmap = bitmap_cache_get(cache->bitmap, (BYTE)memblt->cacheId, memblt->cacheIndex);
/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
if (bitmap == NULL)
return TRUE;
memblt->bitmap = bitmap;
return IFCALLRESULT(TRUE, cache->bitmap->MemBlt, context, memblt);
}
static BOOL update_gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt)
{
BYTE style;
rdpBitmap* bitmap;
rdpCache* cache = context->cache;
rdpBrush* brush = &mem3blt->brush;
BOOL ret = TRUE;
if (mem3blt->cacheId == 0xFF)
bitmap = offscreen_cache_get(cache->offscreen, mem3blt->cacheIndex);
else
bitmap = bitmap_cache_get(cache->bitmap, (BYTE)mem3blt->cacheId, mem3blt->cacheIndex);
/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
if (!bitmap)
return TRUE;
style = brush->style;
if (brush->style & CACHED_BRUSH)
{
brush->data = brush_cache_get(cache->brush, brush->index, &brush->bpp);
if (!brush->data)
return FALSE;
brush->style = 0x03;
}
mem3blt->bitmap = bitmap;
IFCALLRET(cache->bitmap->Mem3Blt, ret, context, mem3blt);
brush->style = style;
return ret;
}
static BOOL update_gdi_cache_bitmap(rdpContext* context, const CACHE_BITMAP_ORDER* cacheBitmap)
{
rdpBitmap* bitmap;
rdpBitmap* prevBitmap;
rdpCache* cache = context->cache;
bitmap = Bitmap_Alloc(context);
if (!bitmap)
return FALSE;
Bitmap_SetDimensions(bitmap, cacheBitmap->bitmapWidth, cacheBitmap->bitmapHeight);
if (!bitmap->Decompress(context, bitmap, cacheBitmap->bitmapDataStream,
cacheBitmap->bitmapWidth, cacheBitmap->bitmapHeight,
cacheBitmap->bitmapBpp, cacheBitmap->bitmapLength,
cacheBitmap->compressed, RDP_CODEC_ID_NONE))
{
Bitmap_Free(context, bitmap);
return FALSE;
}
if (!bitmap->New(context, bitmap))
{
Bitmap_Free(context, bitmap);
return FALSE;
}
prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmap->cacheId, cacheBitmap->cacheIndex);
Bitmap_Free(context, prevBitmap);
return bitmap_cache_put(cache->bitmap, cacheBitmap->cacheId, cacheBitmap->cacheIndex, bitmap);
}
static BOOL update_gdi_cache_bitmap_v2(rdpContext* context, CACHE_BITMAP_V2_ORDER* cacheBitmapV2)
{
rdpBitmap* prevBitmap;
rdpCache* cache = context->cache;
rdpSettings* settings = context->settings;
rdpBitmap* bitmap = Bitmap_Alloc(context);
if (!bitmap)
return FALSE;
const UINT32 ColorDepth = freerdp_settings_get_uint32(settings, FreeRDP_ColorDepth);
bitmap->key64 = ((UINT64)cacheBitmapV2->key1 | (((UINT64)cacheBitmapV2->key2) << 32));
if (!cacheBitmapV2->bitmapBpp)
cacheBitmapV2->bitmapBpp = ColorDepth;
if ((ColorDepth == 15) && (cacheBitmapV2->bitmapBpp == 16))
cacheBitmapV2->bitmapBpp = ColorDepth;
Bitmap_SetDimensions(bitmap, cacheBitmapV2->bitmapWidth, cacheBitmapV2->bitmapHeight);
if (!bitmap->Decompress(context, bitmap, cacheBitmapV2->bitmapDataStream,
cacheBitmapV2->bitmapWidth, cacheBitmapV2->bitmapHeight,
cacheBitmapV2->bitmapBpp, cacheBitmapV2->bitmapLength,
cacheBitmapV2->compressed, RDP_CODEC_ID_NONE))
goto fail;
prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmapV2->cacheId, cacheBitmapV2->cacheIndex);
if (!bitmap->New(context, bitmap))
goto fail;
Bitmap_Free(context, prevBitmap);
return bitmap_cache_put(cache->bitmap, cacheBitmapV2->cacheId, cacheBitmapV2->cacheIndex,
bitmap);
fail:
Bitmap_Free(context, bitmap);
return FALSE;
}
static BOOL update_gdi_cache_bitmap_v3(rdpContext* context, CACHE_BITMAP_V3_ORDER* cacheBitmapV3)
{
rdpBitmap* bitmap;
rdpBitmap* prevBitmap;
BOOL compressed = TRUE;
rdpCache* cache = context->cache;
rdpSettings* settings = context->settings;
BITMAP_DATA_EX* bitmapData = &cacheBitmapV3->bitmapData;
bitmap = Bitmap_Alloc(context);
if (!bitmap)
return FALSE;
const UINT32 ColorDepth = freerdp_settings_get_uint32(settings, FreeRDP_ColorDepth);
bitmap->key64 = ((UINT64)cacheBitmapV3->key1 | (((UINT64)cacheBitmapV3->key2) << 32));
if (!cacheBitmapV3->bpp)
cacheBitmapV3->bpp = ColorDepth;
compressed = (bitmapData->codecID != RDP_CODEC_ID_NONE);
Bitmap_SetDimensions(bitmap, bitmapData->width, bitmapData->height);
if (!bitmap->Decompress(context, bitmap, bitmapData->data, bitmapData->width,
bitmapData->height, bitmapData->bpp, bitmapData->length, compressed,
bitmapData->codecID))
goto fail;
if (!bitmap->New(context, bitmap))
goto fail;
prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmapV3->cacheId, cacheBitmapV3->cacheIndex);
Bitmap_Free(context, prevBitmap);
return bitmap_cache_put(cache->bitmap, cacheBitmapV3->cacheId, cacheBitmapV3->cacheIndex,
bitmap);
fail:
Bitmap_Free(context, bitmap);
return FALSE;
}
rdpBitmap* bitmap_cache_get(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index)
{
rdpBitmap* bitmap;
if (id >= bitmapCache->maxCells)
{
WLog_ERR(TAG, "get invalid bitmap cell id: %" PRIu32 "", id);
return NULL;
}
if (index == BITMAP_CACHE_WAITING_LIST_INDEX)
{
index = bitmapCache->cells[id].number;
}
else if (index > bitmapCache->cells[id].number)
{
WLog_ERR(TAG, "get invalid bitmap index %" PRIu32 " in cell id: %" PRIu32 "", index, id);
return NULL;
}
bitmap = bitmapCache->cells[id].entries[index];
return bitmap;
}
BOOL bitmap_cache_put(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index, rdpBitmap* bitmap)
{
if (id > bitmapCache->maxCells)
{
WLog_ERR(TAG, "put invalid bitmap cell id: %" PRIu32 "", id);
return FALSE;
}
if (index == BITMAP_CACHE_WAITING_LIST_INDEX)
{
index = bitmapCache->cells[id].number;
}
else if (index > bitmapCache->cells[id].number)
{
WLog_ERR(TAG, "put invalid bitmap index %" PRIu32 " in cell id: %" PRIu32 "", index, id);
return FALSE;
}
bitmapCache->cells[id].entries[index] = bitmap;
return TRUE;
}
void bitmap_cache_register_callbacks(rdpUpdate* update)
{
rdpCache* cache;
WINPR_ASSERT(update);
WINPR_ASSERT(update->context);
WINPR_ASSERT(update->context->cache);
cache = update->context->cache;
WINPR_ASSERT(cache);
if (!freerdp_settings_get_bool(update->context->settings, FreeRDP_DeactivateClientDecoding))
{
cache->bitmap->MemBlt = update->primary->MemBlt;
cache->bitmap->Mem3Blt = update->primary->Mem3Blt;
update->primary->MemBlt = update_gdi_memblt;
update->primary->Mem3Blt = update_gdi_mem3blt;
update->secondary->CacheBitmap = update_gdi_cache_bitmap;
update->secondary->CacheBitmapV2 = update_gdi_cache_bitmap_v2;
update->secondary->CacheBitmapV3 = update_gdi_cache_bitmap_v3;
update->BitmapUpdate = gdi_bitmap_update;
}
}
static int bitmap_cache_save_persistent(rdpBitmapCache* bitmapCache)
{
rdpContext* context = bitmapCache->context;
rdpSettings* settings = context->settings;
const UINT32 version = freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheVersion);
if (version != 2)
return 0; /* persistent bitmap cache already saved in egfx channel */
if (!freerdp_settings_get_bool(settings, FreeRDP_BitmapCachePersistEnabled))
return 0;
const char* BitmapCachePersistFile =
freerdp_settings_get_string(settings, FreeRDP_BitmapCachePersistFile);
if (!BitmapCachePersistFile)
return 0;
rdpPersistentCache* persistent = persistent_cache_new();
if (!persistent)
return -1;
int status = persistent_cache_open(persistent, BitmapCachePersistFile, TRUE, version);
if (status < 1)
goto end;
for (UINT32 i = 0; i < bitmapCache->maxCells; i++)
{
for (UINT32 j = 0; j < bitmapCache->cells[i].number + 1; j++)
{
PERSISTENT_CACHE_ENTRY cacheEntry;
rdpBitmap* bitmap = bitmapCache->cells[i].entries[j];
if (!bitmap || !bitmap->key64)
continue;
cacheEntry.key64 = bitmap->key64;
cacheEntry.width = bitmap->width;
cacheEntry.height = bitmap->height;
cacheEntry.size = (UINT32)(bitmap->width * bitmap->height * 4);
cacheEntry.flags = 0;
cacheEntry.data = bitmap->data;
if (persistent_cache_write_entry(persistent, &cacheEntry) < 1)
{
status = -1;
goto end;
}
}
}
status = 1;
end:
persistent_cache_free(persistent);
return status;
}
rdpBitmapCache* bitmap_cache_new(rdpContext* context)
{
UINT32 i;
rdpSettings* settings;
rdpBitmapCache* bitmapCache;
WINPR_ASSERT(context);
settings = context->settings;
WINPR_ASSERT(settings);
bitmapCache = (rdpBitmapCache*)calloc(1, sizeof(rdpBitmapCache));
if (!bitmapCache)
return NULL;
const UINT32 BitmapCacheV2NumCells =
freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheV2NumCells);
bitmapCache->context = context;
bitmapCache->cells = (BITMAP_V2_CELL*)calloc(BitmapCacheV2NumCells, sizeof(BITMAP_V2_CELL));
if (!bitmapCache->cells)
goto fail;
bitmapCache->maxCells = BitmapCacheV2NumCells;
for (i = 0; i < bitmapCache->maxCells; i++)
{
const BITMAP_CACHE_V2_CELL_INFO* info =
freerdp_settings_get_pointer_array(settings, FreeRDP_BitmapCacheV2CellInfo, i);
BITMAP_V2_CELL* cell = &bitmapCache->cells[i];
UINT32 nr = info->numEntries;
/* allocate an extra entry for BITMAP_CACHE_WAITING_LIST_INDEX */
cell->entries = (rdpBitmap**)calloc((nr + 1), sizeof(rdpBitmap*));
if (!cell->entries)
goto fail;
cell->number = nr;
}
return bitmapCache;
fail:
bitmap_cache_free(bitmapCache);
return NULL;
}
void bitmap_cache_free(rdpBitmapCache* bitmapCache)
{
if (!bitmapCache)
return;
bitmap_cache_save_persistent(bitmapCache);
UINT32 i;
for (i = 0; i < bitmapCache->maxCells; i++)
{
UINT32 j;
BITMAP_V2_CELL* cell = &bitmapCache->cells[i];
if (!cell->entries)
continue;
for (j = 0; j < cell->number + 1; j++)
{
rdpBitmap* bitmap = cell->entries[j];
Bitmap_Free(bitmapCache->context, bitmap);
}
free(bitmapCache->cells[i].entries);
}
free(bitmapCache->cells);
persistent_cache_free(bitmapCache->persistent);
free(bitmapCache);
}
static void free_bitmap_data(BITMAP_DATA* data, size_t count)
{
size_t x;
if (!data)
return;
for (x = 0; x < count; x++)
free(data[x].bitmapDataStream);
free(data);
}
static BITMAP_DATA* copy_bitmap_data(const BITMAP_DATA* data, size_t count)
{
size_t x;
BITMAP_DATA* dst = (BITMAP_DATA*)calloc(count, sizeof(BITMAP_DATA));
if (!dst)
goto fail;
for (x = 0; x < count; x++)
{
dst[x] = data[x];
if (data[x].bitmapLength > 0)
{
dst[x].bitmapDataStream = malloc(data[x].bitmapLength);
if (!dst[x].bitmapDataStream)
goto fail;
memcpy(dst[x].bitmapDataStream, data[x].bitmapDataStream, data[x].bitmapLength);
}
}
return dst;
fail:
free_bitmap_data(dst, count);
return NULL;
}
void free_bitmap_update(rdpContext* context, BITMAP_UPDATE* pointer)
{
if (!pointer)
return;
free_bitmap_data(pointer->rectangles, pointer->number);
free(pointer);
}
BITMAP_UPDATE* copy_bitmap_update(rdpContext* context, const BITMAP_UPDATE* pointer)
{
BITMAP_UPDATE* dst = calloc(1, sizeof(BITMAP_UPDATE));
if (!dst || !pointer)
goto fail;
*dst = *pointer;
dst->rectangles = copy_bitmap_data(pointer->rectangles, pointer->number);
if (!dst->rectangles)
goto fail;
return dst;
fail:
free_bitmap_update(context, dst);
return NULL;
}
CACHE_BITMAP_ORDER* copy_cache_bitmap_order(rdpContext* context, const CACHE_BITMAP_ORDER* order)
{
CACHE_BITMAP_ORDER* dst = calloc(1, sizeof(CACHE_BITMAP_ORDER));
if (!dst || !order)
goto fail;
*dst = *order;
if (order->bitmapLength > 0)
{
dst->bitmapDataStream = malloc(order->bitmapLength);
if (!dst->bitmapDataStream)
goto fail;
memcpy(dst->bitmapDataStream, order->bitmapDataStream, order->bitmapLength);
}
return dst;
fail:
free_cache_bitmap_order(context, dst);
return NULL;
}
void free_cache_bitmap_order(rdpContext* context, CACHE_BITMAP_ORDER* order)
{
if (order)
free(order->bitmapDataStream);
free(order);
}
CACHE_BITMAP_V2_ORDER* copy_cache_bitmap_v2_order(rdpContext* context,
const CACHE_BITMAP_V2_ORDER* order)
{
CACHE_BITMAP_V2_ORDER* dst = calloc(1, sizeof(CACHE_BITMAP_V2_ORDER));
if (!dst || !order)
goto fail;
*dst = *order;
if (order->bitmapLength > 0)
{
dst->bitmapDataStream = malloc(order->bitmapLength);
if (!dst->bitmapDataStream)
goto fail;
memcpy(dst->bitmapDataStream, order->bitmapDataStream, order->bitmapLength);
}
return dst;
fail:
free_cache_bitmap_v2_order(context, dst);
return NULL;
}
void free_cache_bitmap_v2_order(rdpContext* context, CACHE_BITMAP_V2_ORDER* order)
{
if (order)
free(order->bitmapDataStream);
free(order);
}
CACHE_BITMAP_V3_ORDER* copy_cache_bitmap_v3_order(rdpContext* context,
const CACHE_BITMAP_V3_ORDER* order)
{
CACHE_BITMAP_V3_ORDER* dst = calloc(1, sizeof(CACHE_BITMAP_V3_ORDER));
if (!dst || !order)
goto fail;
*dst = *order;
if (order->bitmapData.length > 0)
{
dst->bitmapData.data = malloc(order->bitmapData.length);
if (!dst->bitmapData.data)
goto fail;
memcpy(dst->bitmapData.data, order->bitmapData.data, order->bitmapData.length);
}
return dst;
fail:
free_cache_bitmap_v3_order(context, dst);
return NULL;
}
void free_cache_bitmap_v3_order(rdpContext* context, CACHE_BITMAP_V3_ORDER* order)
{
if (order)
free(order->bitmapData.data);
free(order);
}