mirror of https://github.com/FreeRDP/FreeRDP
612 lines
15 KiB
C
612 lines
15 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Bitmap Cache V2
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <freerdp/config.h>
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#include <stdio.h>
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#include <winpr/crt.h>
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#include <winpr/assert.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/constants.h>
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#include <winpr/stream.h>
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#include <freerdp/log.h>
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#include <freerdp/gdi/bitmap.h>
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#include "../gdi/gdi.h"
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#include "../core/graphics.h"
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#include "bitmap.h"
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#include "cache.h"
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#define TAG FREERDP_TAG("cache.bitmap")
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static rdpBitmap* bitmap_cache_get(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index);
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static BOOL bitmap_cache_put(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index,
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rdpBitmap* bitmap);
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static BOOL update_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
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{
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rdpBitmap* bitmap = NULL;
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rdpCache* cache = NULL;
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cache = context->cache;
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if (memblt->cacheId == 0xFF)
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bitmap = offscreen_cache_get(cache->offscreen, memblt->cacheIndex);
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else
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bitmap = bitmap_cache_get(cache->bitmap, (BYTE)memblt->cacheId, memblt->cacheIndex);
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/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
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if (bitmap == NULL)
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return TRUE;
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memblt->bitmap = bitmap;
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return IFCALLRESULT(TRUE, cache->bitmap->MemBlt, context, memblt);
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}
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static BOOL update_gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt)
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{
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BYTE style = 0;
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rdpBitmap* bitmap = NULL;
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rdpCache* cache = context->cache;
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rdpBrush* brush = &mem3blt->brush;
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BOOL ret = TRUE;
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if (mem3blt->cacheId == 0xFF)
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bitmap = offscreen_cache_get(cache->offscreen, mem3blt->cacheIndex);
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else
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bitmap = bitmap_cache_get(cache->bitmap, (BYTE)mem3blt->cacheId, mem3blt->cacheIndex);
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/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
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if (!bitmap)
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return TRUE;
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style = brush->style;
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if (brush->style & CACHED_BRUSH)
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{
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brush->data = brush_cache_get(cache->brush, brush->index, &brush->bpp);
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if (!brush->data)
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return FALSE;
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brush->style = 0x03;
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}
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mem3blt->bitmap = bitmap;
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IFCALLRET(cache->bitmap->Mem3Blt, ret, context, mem3blt);
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brush->style = style;
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return ret;
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}
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static BOOL update_gdi_cache_bitmap(rdpContext* context, const CACHE_BITMAP_ORDER* cacheBitmap)
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{
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rdpBitmap* bitmap = NULL;
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rdpBitmap* prevBitmap = NULL;
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rdpCache* cache = context->cache;
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bitmap = Bitmap_Alloc(context);
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if (!bitmap)
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return FALSE;
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Bitmap_SetDimensions(bitmap, cacheBitmap->bitmapWidth, cacheBitmap->bitmapHeight);
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if (!bitmap->Decompress(context, bitmap, cacheBitmap->bitmapDataStream,
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cacheBitmap->bitmapWidth, cacheBitmap->bitmapHeight,
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cacheBitmap->bitmapBpp, cacheBitmap->bitmapLength,
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cacheBitmap->compressed, RDP_CODEC_ID_NONE))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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if (!bitmap->New(context, bitmap))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmap->cacheId, cacheBitmap->cacheIndex);
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Bitmap_Free(context, prevBitmap);
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return bitmap_cache_put(cache->bitmap, cacheBitmap->cacheId, cacheBitmap->cacheIndex, bitmap);
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}
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static BOOL update_gdi_cache_bitmap_v2(rdpContext* context, CACHE_BITMAP_V2_ORDER* cacheBitmapV2)
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{
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rdpBitmap* prevBitmap = NULL;
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rdpCache* cache = context->cache;
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rdpSettings* settings = context->settings;
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rdpBitmap* bitmap = Bitmap_Alloc(context);
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if (!bitmap)
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return FALSE;
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const UINT32 ColorDepth = freerdp_settings_get_uint32(settings, FreeRDP_ColorDepth);
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bitmap->key64 = ((UINT64)cacheBitmapV2->key1 | (((UINT64)cacheBitmapV2->key2) << 32));
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if (!cacheBitmapV2->bitmapBpp)
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cacheBitmapV2->bitmapBpp = ColorDepth;
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if ((ColorDepth == 15) && (cacheBitmapV2->bitmapBpp == 16))
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cacheBitmapV2->bitmapBpp = ColorDepth;
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Bitmap_SetDimensions(bitmap, cacheBitmapV2->bitmapWidth, cacheBitmapV2->bitmapHeight);
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if (!bitmap->Decompress(context, bitmap, cacheBitmapV2->bitmapDataStream,
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cacheBitmapV2->bitmapWidth, cacheBitmapV2->bitmapHeight,
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cacheBitmapV2->bitmapBpp, cacheBitmapV2->bitmapLength,
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cacheBitmapV2->compressed, RDP_CODEC_ID_NONE))
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goto fail;
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prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmapV2->cacheId, cacheBitmapV2->cacheIndex);
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if (!bitmap->New(context, bitmap))
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goto fail;
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Bitmap_Free(context, prevBitmap);
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return bitmap_cache_put(cache->bitmap, cacheBitmapV2->cacheId, cacheBitmapV2->cacheIndex,
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bitmap);
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fail:
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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static BOOL update_gdi_cache_bitmap_v3(rdpContext* context, CACHE_BITMAP_V3_ORDER* cacheBitmapV3)
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{
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rdpBitmap* bitmap = NULL;
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rdpBitmap* prevBitmap = NULL;
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BOOL compressed = TRUE;
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rdpCache* cache = context->cache;
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rdpSettings* settings = context->settings;
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BITMAP_DATA_EX* bitmapData = &cacheBitmapV3->bitmapData;
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bitmap = Bitmap_Alloc(context);
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if (!bitmap)
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return FALSE;
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const UINT32 ColorDepth = freerdp_settings_get_uint32(settings, FreeRDP_ColorDepth);
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bitmap->key64 = ((UINT64)cacheBitmapV3->key1 | (((UINT64)cacheBitmapV3->key2) << 32));
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if (!cacheBitmapV3->bpp)
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cacheBitmapV3->bpp = ColorDepth;
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compressed = (bitmapData->codecID != RDP_CODEC_ID_NONE);
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Bitmap_SetDimensions(bitmap, bitmapData->width, bitmapData->height);
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if (!bitmap->Decompress(context, bitmap, bitmapData->data, bitmapData->width,
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bitmapData->height, bitmapData->bpp, bitmapData->length, compressed,
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bitmapData->codecID))
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goto fail;
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if (!bitmap->New(context, bitmap))
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goto fail;
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prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmapV3->cacheId, cacheBitmapV3->cacheIndex);
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Bitmap_Free(context, prevBitmap);
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return bitmap_cache_put(cache->bitmap, cacheBitmapV3->cacheId, cacheBitmapV3->cacheIndex,
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bitmap);
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fail:
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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rdpBitmap* bitmap_cache_get(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index)
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{
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rdpBitmap* bitmap = NULL;
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if (id >= bitmapCache->maxCells)
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{
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WLog_ERR(TAG, "get invalid bitmap cell id: %" PRIu32 "", id);
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return NULL;
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}
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if (index == BITMAP_CACHE_WAITING_LIST_INDEX)
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{
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index = bitmapCache->cells[id].number;
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}
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else if (index > bitmapCache->cells[id].number)
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{
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WLog_ERR(TAG, "get invalid bitmap index %" PRIu32 " in cell id: %" PRIu32 "", index, id);
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return NULL;
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}
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bitmap = bitmapCache->cells[id].entries[index];
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return bitmap;
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}
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BOOL bitmap_cache_put(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index, rdpBitmap* bitmap)
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{
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if (id > bitmapCache->maxCells)
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{
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WLog_ERR(TAG, "put invalid bitmap cell id: %" PRIu32 "", id);
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return FALSE;
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}
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if (index == BITMAP_CACHE_WAITING_LIST_INDEX)
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{
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index = bitmapCache->cells[id].number;
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}
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else if (index > bitmapCache->cells[id].number)
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{
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WLog_ERR(TAG, "put invalid bitmap index %" PRIu32 " in cell id: %" PRIu32 "", index, id);
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return FALSE;
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}
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bitmapCache->cells[id].entries[index] = bitmap;
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return TRUE;
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}
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void bitmap_cache_register_callbacks(rdpUpdate* update)
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{
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rdpCache* cache = NULL;
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WINPR_ASSERT(update);
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WINPR_ASSERT(update->context);
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WINPR_ASSERT(update->context->cache);
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cache = update->context->cache;
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WINPR_ASSERT(cache);
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if (!freerdp_settings_get_bool(update->context->settings, FreeRDP_DeactivateClientDecoding))
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{
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cache->bitmap->MemBlt = update->primary->MemBlt;
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cache->bitmap->Mem3Blt = update->primary->Mem3Blt;
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update->primary->MemBlt = update_gdi_memblt;
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update->primary->Mem3Blt = update_gdi_mem3blt;
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update->secondary->CacheBitmap = update_gdi_cache_bitmap;
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update->secondary->CacheBitmapV2 = update_gdi_cache_bitmap_v2;
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update->secondary->CacheBitmapV3 = update_gdi_cache_bitmap_v3;
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update->BitmapUpdate = gdi_bitmap_update;
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}
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}
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static int bitmap_cache_save_persistent(rdpBitmapCache* bitmapCache)
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{
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rdpContext* context = bitmapCache->context;
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rdpSettings* settings = context->settings;
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const UINT32 version = freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheVersion);
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if (version != 2)
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return 0; /* persistent bitmap cache already saved in egfx channel */
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if (!freerdp_settings_get_bool(settings, FreeRDP_BitmapCachePersistEnabled))
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return 0;
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const char* BitmapCachePersistFile =
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freerdp_settings_get_string(settings, FreeRDP_BitmapCachePersistFile);
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if (!BitmapCachePersistFile)
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return 0;
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rdpPersistentCache* persistent = persistent_cache_new();
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if (!persistent)
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return -1;
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int status = persistent_cache_open(persistent, BitmapCachePersistFile, TRUE, version);
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if (status < 1)
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goto end;
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if (bitmapCache->cells)
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{
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for (UINT32 i = 0; i < bitmapCache->maxCells; i++)
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{
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BITMAP_V2_CELL* cell = &bitmapCache->cells[i];
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for (UINT32 j = 0; j < cell->number + 1 && cell->entries; j++)
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{
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PERSISTENT_CACHE_ENTRY cacheEntry;
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rdpBitmap* bitmap = cell->entries[j];
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if (!bitmap || !bitmap->key64)
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continue;
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cacheEntry.key64 = bitmap->key64;
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cacheEntry.width = bitmap->width;
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cacheEntry.height = bitmap->height;
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const UINT64 size = 4ULL * bitmap->width * bitmap->height;
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if (size > UINT32_MAX)
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continue;
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cacheEntry.size = (UINT32)size;
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cacheEntry.flags = 0;
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cacheEntry.data = bitmap->data;
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if (persistent_cache_write_entry(persistent, &cacheEntry) < 1)
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{
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status = -1;
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goto end;
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}
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}
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}
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}
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status = 1;
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end:
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persistent_cache_free(persistent);
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return status;
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}
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rdpBitmapCache* bitmap_cache_new(rdpContext* context)
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{
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rdpSettings* settings = NULL;
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rdpBitmapCache* bitmapCache = NULL;
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WINPR_ASSERT(context);
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settings = context->settings;
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WINPR_ASSERT(settings);
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bitmapCache = (rdpBitmapCache*)calloc(1, sizeof(rdpBitmapCache));
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if (!bitmapCache)
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return NULL;
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const UINT32 BitmapCacheV2NumCells =
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freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheV2NumCells);
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bitmapCache->context = context;
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bitmapCache->cells = (BITMAP_V2_CELL*)calloc(BitmapCacheV2NumCells, sizeof(BITMAP_V2_CELL));
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if (!bitmapCache->cells)
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goto fail;
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bitmapCache->maxCells = BitmapCacheV2NumCells;
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for (UINT32 i = 0; i < bitmapCache->maxCells; i++)
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{
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const BITMAP_CACHE_V2_CELL_INFO* info =
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freerdp_settings_get_pointer_array(settings, FreeRDP_BitmapCacheV2CellInfo, i);
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BITMAP_V2_CELL* cell = &bitmapCache->cells[i];
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UINT32 nr = info->numEntries;
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/* allocate an extra entry for BITMAP_CACHE_WAITING_LIST_INDEX */
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cell->entries = (rdpBitmap**)calloc((nr + 1), sizeof(rdpBitmap*));
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if (!cell->entries)
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goto fail;
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cell->number = nr;
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}
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return bitmapCache;
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fail:
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WINPR_PRAGMA_DIAG_PUSH
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WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
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bitmap_cache_free(bitmapCache);
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WINPR_PRAGMA_DIAG_POP
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return NULL;
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}
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void bitmap_cache_free(rdpBitmapCache* bitmapCache)
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{
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if (!bitmapCache)
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return;
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bitmap_cache_save_persistent(bitmapCache);
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if (bitmapCache->cells)
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{
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for (UINT32 i = 0; i < bitmapCache->maxCells; i++)
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{
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UINT32 j = 0;
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BITMAP_V2_CELL* cell = &bitmapCache->cells[i];
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if (!cell->entries)
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continue;
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for (j = 0; j < cell->number + 1; j++)
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{
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rdpBitmap* bitmap = cell->entries[j];
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Bitmap_Free(bitmapCache->context, bitmap);
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}
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free(cell->entries);
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}
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free(bitmapCache->cells);
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}
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persistent_cache_free(bitmapCache->persistent);
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free(bitmapCache);
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}
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static void free_bitmap_data(BITMAP_DATA* data, size_t count)
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{
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if (!data)
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return;
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for (size_t x = 0; x < count; x++)
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free(data[x].bitmapDataStream);
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free(data);
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}
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static BITMAP_DATA* copy_bitmap_data(const BITMAP_DATA* data, size_t count)
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{
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BITMAP_DATA* dst = (BITMAP_DATA*)calloc(count, sizeof(BITMAP_DATA));
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if (!dst)
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goto fail;
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for (size_t x = 0; x < count; x++)
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{
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dst[x] = data[x];
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if (data[x].bitmapLength > 0)
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{
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dst[x].bitmapDataStream = malloc(data[x].bitmapLength);
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if (!dst[x].bitmapDataStream)
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goto fail;
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memcpy(dst[x].bitmapDataStream, data[x].bitmapDataStream, data[x].bitmapLength);
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}
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}
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return dst;
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fail:
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free_bitmap_data(dst, count);
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return NULL;
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}
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void free_bitmap_update(rdpContext* context, BITMAP_UPDATE* pointer)
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{
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if (!pointer)
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return;
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free_bitmap_data(pointer->rectangles, pointer->number);
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free(pointer);
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}
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BITMAP_UPDATE* copy_bitmap_update(rdpContext* context, const BITMAP_UPDATE* pointer)
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{
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BITMAP_UPDATE* dst = calloc(1, sizeof(BITMAP_UPDATE));
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if (!dst || !pointer)
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goto fail;
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*dst = *pointer;
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dst->rectangles = copy_bitmap_data(pointer->rectangles, pointer->number);
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if (!dst->rectangles)
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goto fail;
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return dst;
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fail:
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WINPR_PRAGMA_DIAG_PUSH
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WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
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free_bitmap_update(context, dst);
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WINPR_PRAGMA_DIAG_POP
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return NULL;
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}
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CACHE_BITMAP_ORDER* copy_cache_bitmap_order(rdpContext* context, const CACHE_BITMAP_ORDER* order)
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{
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CACHE_BITMAP_ORDER* dst = calloc(1, sizeof(CACHE_BITMAP_ORDER));
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if (!dst || !order)
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goto fail;
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*dst = *order;
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if (order->bitmapLength > 0)
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{
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dst->bitmapDataStream = malloc(order->bitmapLength);
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if (!dst->bitmapDataStream)
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goto fail;
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memcpy(dst->bitmapDataStream, order->bitmapDataStream, order->bitmapLength);
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}
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return dst;
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fail:
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WINPR_PRAGMA_DIAG_PUSH
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WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
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free_cache_bitmap_order(context, dst);
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WINPR_PRAGMA_DIAG_POP
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return NULL;
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}
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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:
|
|
WINPR_PRAGMA_DIAG_PUSH
|
|
WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
|
|
free_cache_bitmap_v2_order(context, dst);
|
|
WINPR_PRAGMA_DIAG_POP
|
|
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:
|
|
WINPR_PRAGMA_DIAG_PUSH
|
|
WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
|
|
free_cache_bitmap_v3_order(context, dst);
|
|
WINPR_PRAGMA_DIAG_POP
|
|
return NULL;
|
|
}
|
|
|
|
void free_cache_bitmap_v3_order(rdpContext* context, CACHE_BITMAP_V3_ORDER* order)
|
|
{
|
|
if (order)
|
|
free(order->bitmapData.data);
|
|
|
|
free(order);
|
|
}
|