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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* NineGrid Cache
*
* Copyright 2012 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 <freerdp/log.h>
#include <freerdp/update.h>
#include <freerdp/freerdp.h>
#include <winpr/stream.h>
#include "nine_grid.h"
#include "cache.h"
#define TAG FREERDP_TAG("cache.nine_grid")
typedef struct
{
void* entry;
} NINE_GRID_ENTRY;
struct rdp_nine_grid_cache
{
pDrawNineGrid DrawNineGrid; /* 0 */
pMultiDrawNineGrid MultiDrawNineGrid; /* 1 */
UINT32 paddingA[16 - 2]; /* 2 */
UINT32 maxEntries; /* 16 */
UINT32 maxSize; /* 17 */
NINE_GRID_ENTRY* entries; /* 18 */
UINT32 paddingB[32 - 19]; /* 19 */
rdpContext* context;
};
static void* nine_grid_cache_get(rdpNineGridCache* nine_grid, UINT32 index);
static void nine_grid_cache_put(rdpNineGridCache* nine_grid, UINT32 index, void* entry);
static BOOL update_gdi_draw_nine_grid(rdpContext* context,
const DRAW_NINE_GRID_ORDER* draw_nine_grid)
{
rdpCache* cache = context->cache;
return IFCALLRESULT(TRUE, cache->nine_grid->DrawNineGrid, context, draw_nine_grid);
}
static BOOL update_gdi_multi_draw_nine_grid(rdpContext* context,
const MULTI_DRAW_NINE_GRID_ORDER* multi_draw_nine_grid)
{
rdpCache* cache = context->cache;
return IFCALLRESULT(TRUE, cache->nine_grid->MultiDrawNineGrid, context, multi_draw_nine_grid);
}
void nine_grid_cache_register_callbacks(rdpUpdate* update)
{
rdpCache* cache = update->context->cache;
cache->nine_grid->DrawNineGrid = update->primary->DrawNineGrid;
cache->nine_grid->MultiDrawNineGrid = update->primary->MultiDrawNineGrid;
update->primary->DrawNineGrid = update_gdi_draw_nine_grid;
update->primary->MultiDrawNineGrid = update_gdi_multi_draw_nine_grid;
}
void* nine_grid_cache_get(rdpNineGridCache* nine_grid, UINT32 index)
{
void* entry = NULL;
if (index >= nine_grid->maxEntries)
{
WLog_ERR(TAG, "invalid NineGrid index: 0x%08" PRIX32 "", index);
return NULL;
}
entry = nine_grid->entries[index].entry;
if (entry == NULL)
{
WLog_ERR(TAG, "invalid NineGrid at index: 0x%08" PRIX32 "", index);
return NULL;
}
return entry;
}
void nine_grid_cache_put(rdpNineGridCache* nine_grid, UINT32 index, void* entry)
{
if (index >= nine_grid->maxEntries)
{
WLog_ERR(TAG, "invalid NineGrid index: 0x%08" PRIX32 "", index);
return;
}
free(nine_grid->entries[index].entry);
nine_grid->entries[index].entry = entry;
}
rdpNineGridCache* nine_grid_cache_new(rdpContext* context)
{
rdpNineGridCache* nine_grid = NULL;
rdpSettings* settings = NULL;
WINPR_ASSERT(context);
settings = context->settings;
WINPR_ASSERT(settings);
nine_grid = (rdpNineGridCache*)calloc(1, sizeof(rdpNineGridCache));
if (!nine_grid)
return NULL;
nine_grid->context = context;
nine_grid->maxSize = 2560;
nine_grid->maxEntries = 256;
if (!freerdp_settings_set_uint32(settings, FreeRDP_DrawNineGridCacheSize, nine_grid->maxSize))
goto fail;
if (!freerdp_settings_set_uint32(settings, FreeRDP_DrawNineGridCacheEntries,
nine_grid->maxEntries))
goto fail;
nine_grid->entries = (NINE_GRID_ENTRY*)calloc(nine_grid->maxEntries, sizeof(NINE_GRID_ENTRY));
if (!nine_grid->entries)
goto fail;
return nine_grid;
fail:
WINPR_PRAGMA_DIAG_PUSH
WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
nine_grid_cache_free(nine_grid);
WINPR_PRAGMA_DIAG_POP
return NULL;
}
void nine_grid_cache_free(rdpNineGridCache* nine_grid)
{
if (nine_grid != NULL)
{
if (nine_grid->entries != NULL)
{
for (size_t i = 0; i < nine_grid->maxEntries; i++)
free(nine_grid->entries[i].entry);
free(nine_grid->entries);
}
free(nine_grid);
}
}
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