147 lines
3.9 KiB
C
147 lines
3.9 KiB
C
/**
|
|
* FreeRDP: A Remote Desktop Protocol Client
|
|
* Offscreen Bitmap Cache
|
|
*
|
|
* 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/utils/stream.h>
|
|
#include <freerdp/utils/memory.h>
|
|
|
|
#include <freerdp/cache/offscreen.h>
|
|
|
|
void update_gdi_create_offscreen_bitmap(rdpUpdate* update, CREATE_OFFSCREEN_BITMAP_ORDER* create_offscreen_bitmap)
|
|
{
|
|
rdpBitmap* bitmap;
|
|
rdpBitmap* prevBitmap;
|
|
rdpCache* cache = update->context->cache;
|
|
|
|
bitmap = Bitmap_Alloc(update->context);
|
|
|
|
bitmap->width = create_offscreen_bitmap->cx;
|
|
bitmap->height = create_offscreen_bitmap->cy;
|
|
|
|
bitmap->New(update->context, bitmap);
|
|
|
|
prevBitmap = offscreen_cache_get(cache->offscreen, create_offscreen_bitmap->id);
|
|
|
|
if (prevBitmap != NULL)
|
|
Bitmap_Free(update->context, prevBitmap);
|
|
|
|
offscreen_cache_put(cache->offscreen, create_offscreen_bitmap->id, bitmap);
|
|
|
|
if(cache->offscreen->currentSurface == create_offscreen_bitmap->id)
|
|
IFCALL(cache->offscreen->SetSurface, update, bitmap, False);
|
|
}
|
|
|
|
void update_gdi_switch_surface(rdpUpdate* update, SWITCH_SURFACE_ORDER* switch_surface)
|
|
{
|
|
rdpCache* cache = update->context->cache;
|
|
|
|
if (switch_surface->bitmapId == SCREEN_BITMAP_SURFACE)
|
|
{
|
|
IFCALL(cache->offscreen->SetSurface, update, NULL, True);
|
|
}
|
|
else
|
|
{
|
|
rdpBitmap* bitmap;
|
|
bitmap = offscreen_cache_get(cache->offscreen, switch_surface->bitmapId);
|
|
IFCALL(cache->offscreen->SetSurface, update, bitmap, False);
|
|
}
|
|
cache->offscreen->currentSurface = switch_surface->bitmapId;
|
|
}
|
|
|
|
rdpBitmap* offscreen_cache_get(rdpOffscreenCache* offscreen_cache, uint16 index)
|
|
{
|
|
rdpBitmap* bitmap;
|
|
|
|
if (index > offscreen_cache->maxEntries)
|
|
{
|
|
printf("invalid offscreen bitmap index: 0x%04X\n", index);
|
|
return NULL;
|
|
}
|
|
|
|
bitmap = offscreen_cache->entries[index];
|
|
|
|
if (bitmap == NULL)
|
|
{
|
|
printf("invalid offscreen bitmap at index: 0x%04X\n", index);
|
|
return NULL;
|
|
}
|
|
|
|
return bitmap;
|
|
}
|
|
|
|
void offscreen_cache_put(rdpOffscreenCache* offscreen, uint16 index, rdpBitmap* bitmap)
|
|
{
|
|
if (index > offscreen->maxEntries)
|
|
{
|
|
printf("invalid offscreen bitmap index: 0x%04X\n", index);
|
|
return;
|
|
}
|
|
|
|
offscreen->entries[index] = bitmap;
|
|
}
|
|
|
|
void offscreen_cache_register_callbacks(rdpUpdate* update)
|
|
{
|
|
update->CreateOffscreenBitmap = update_gdi_create_offscreen_bitmap;
|
|
update->SwitchSurface = update_gdi_switch_surface;
|
|
}
|
|
|
|
rdpOffscreenCache* offscreen_cache_new(rdpSettings* settings)
|
|
{
|
|
rdpOffscreenCache* offscreen_cache;
|
|
|
|
offscreen_cache = (rdpOffscreenCache*) xzalloc(sizeof(rdpOffscreenCache));
|
|
|
|
if (offscreen_cache != NULL)
|
|
{
|
|
offscreen_cache->settings = settings;
|
|
offscreen_cache->update = ((freerdp*) settings->instance)->update;
|
|
|
|
offscreen_cache->currentSurface = SCREEN_BITMAP_SURFACE;
|
|
offscreen_cache->maxSize = 7680;
|
|
offscreen_cache->maxEntries = 100;
|
|
|
|
settings->offscreen_bitmap_cache_size = offscreen_cache->maxSize;
|
|
settings->offscreen_bitmap_cache_entries = offscreen_cache->maxEntries;
|
|
|
|
offscreen_cache->entries = (rdpBitmap**) xzalloc(sizeof(rdpBitmap*) * offscreen_cache->maxEntries);
|
|
}
|
|
|
|
return offscreen_cache;
|
|
}
|
|
|
|
void offscreen_cache_free(rdpOffscreenCache* offscreen_cache)
|
|
{
|
|
int i;
|
|
rdpBitmap* bitmap;
|
|
|
|
if (offscreen_cache != NULL)
|
|
{
|
|
for (i = 0; i < offscreen_cache->maxEntries; i++)
|
|
{
|
|
bitmap = offscreen_cache->entries[i];
|
|
|
|
if (bitmap != NULL)
|
|
Bitmap_Free(offscreen_cache->update->context, bitmap);
|
|
}
|
|
|
|
xfree(offscreen_cache->entries);
|
|
xfree(offscreen_cache);
|
|
}
|
|
}
|