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path: root/Source/DirectFB/src/core/local_surface_pool.c
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Diffstat (limited to 'Source/DirectFB/src/core/local_surface_pool.c')
-rwxr-xr-xSource/DirectFB/src/core/local_surface_pool.c313
1 files changed, 313 insertions, 0 deletions
diff --git a/Source/DirectFB/src/core/local_surface_pool.c b/Source/DirectFB/src/core/local_surface_pool.c
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+++ b/Source/DirectFB/src/core/local_surface_pool.c
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+/*
+ (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
+ (c) Copyright 2000-2004 Convergence (integrated media) GmbH
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>,
+ Andreas Hundt <andi@fischlustig.de>,
+ Sven Neumann <neo@directfb.org>,
+ Ville Syrjälä <syrjala@sci.fi> and
+ Claudio Ciccani <klan@users.sf.net>.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+
+#include <direct/debug.h>
+#include <direct/mem.h>
+
+#include <fusion/fusion.h>
+
+#include <core/core.h>
+#include <core/surface_pool.h>
+
+
+/**********************************************************************************************************************/
+
+typedef struct {
+} LocalPoolData;
+
+typedef struct {
+ FusionCall call;
+} LocalPoolLocalData;
+
+typedef struct {
+ int magic;
+
+ void *addr;
+ int pitch;
+ int size;
+
+ FusionCall call;
+ FusionID fid;
+} LocalAllocationData;
+
+/**********************************************************************************************************************/
+
+static FusionCallHandlerResult
+local_surface_pool_call_handler( int caller,
+ int call_arg,
+ void *call_ptr,
+ void *ctx,
+ unsigned int serial,
+ int *ret_val )
+{
+ D_FREE( call_ptr );
+
+ *ret_val = 0;
+
+ return FCHR_RETURN;
+}
+
+/**********************************************************************************************************************/
+
+static int
+localPoolDataSize( void )
+{
+ return sizeof(LocalPoolData);
+}
+
+static int
+localPoolLocalDataSize( void )
+{
+ return sizeof(LocalPoolLocalData);
+}
+
+static int
+localAllocationDataSize( void )
+{
+ return sizeof(LocalAllocationData);
+}
+
+static DFBResult
+localInitPool( CoreDFB *core,
+ CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local,
+ void *system_data,
+ CoreSurfacePoolDescription *ret_desc )
+{
+ LocalPoolLocalData *local = pool_local;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_ASSERT( pool_local != NULL );
+ D_ASSERT( ret_desc != NULL );
+
+ ret_desc->caps = CSPCAPS_NONE;
+ ret_desc->access[CSAID_CPU] = CSAF_READ | CSAF_WRITE;
+ ret_desc->types = CSTF_FONT | CSTF_INTERNAL;
+ ret_desc->priority = CSPP_PREFERED;
+
+ snprintf( ret_desc->name, DFB_SURFACE_POOL_DESC_NAME_LENGTH, "System Memory" );
+
+ fusion_call_init( &local->call, local_surface_pool_call_handler, local, dfb_core_world(core) );
+
+ return DFB_OK;
+}
+
+static DFBResult
+localJoinPool( CoreDFB *core,
+ CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local,
+ void *system_data )
+{
+ LocalPoolLocalData *local = pool_local;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_ASSERT( pool_local != NULL );
+
+ return fusion_call_init( &local->call, local_surface_pool_call_handler, local, dfb_core_world(core) );
+}
+
+static DFBResult
+localDestroyPool( CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local )
+{
+ CoreSurfaceAllocation *allocation;
+ LocalPoolLocalData *local = pool_local;
+ LocalAllocationData *data;
+ FusionID fid;
+
+ DFBResult res;
+ int i;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_ASSERT( pool_local != NULL );
+
+ res = fusion_call_destroy( &local->call );
+ fid = fusion_id( dfb_core_world(NULL) );
+
+ /* remove the local allocations */
+ fusion_vector_foreach (allocation, i, pool->allocs) {
+ data = allocation->data;
+ if( data->fid == fid )
+ D_FREE( data->addr );
+ }
+
+ return res;
+}
+
+static DFBResult
+localLeavePool( CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local )
+{
+ CoreSurfaceAllocation *allocation;
+ LocalPoolLocalData *local = pool_local;
+ LocalAllocationData *data;
+ FusionID fid;
+
+ DFBResult res;
+ int i;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_ASSERT( pool_local != NULL );
+
+ res = fusion_call_destroy( &local->call );
+ fid = fusion_id( dfb_core_world(NULL) );
+
+ /* remove the local allocations */
+ fusion_vector_foreach (allocation, i, pool->allocs) {
+ data = allocation->data;
+ if( data->fid == fid )
+ D_FREE( data->addr );
+ }
+
+ return res;
+}
+
+static DFBResult
+localAllocateBuffer( CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local,
+ CoreSurfaceBuffer *buffer,
+ CoreSurfaceAllocation *allocation,
+ void *alloc_data )
+{
+ CoreSurface *surface;
+ LocalPoolLocalData *local = pool_local;
+ LocalAllocationData *alloc = alloc_data;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );
+ D_ASSERT( alloc != NULL );
+
+ surface = buffer->surface;
+ D_MAGIC_ASSERT( surface, CoreSurface );
+
+ dfb_surface_calc_buffer_size( surface, 8, 0, &alloc->pitch, &alloc->size );
+
+ alloc->addr = D_MALLOC( alloc->size );
+ if (!alloc->addr)
+ return D_OOM();
+
+ alloc->call = local->call;
+ alloc->fid = fusion_id( dfb_core_world(NULL) );
+
+ D_MAGIC_SET( alloc, LocalAllocationData );
+
+ allocation->flags = CSALF_VOLATILE;
+ allocation->size = alloc->size;
+
+ return DFB_OK;
+}
+
+static DFBResult
+localDeallocateBuffer( CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local,
+ CoreSurfaceBuffer *buffer,
+ CoreSurfaceAllocation *allocation,
+ void *alloc_data )
+{
+ DFBResult ret;
+ LocalAllocationData *alloc = alloc_data;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer );
+ D_MAGIC_ASSERT( alloc, LocalAllocationData );
+
+ ret = fusion_call_execute( &alloc->call, FCEF_ONEWAY, 0, alloc->addr, NULL );
+// if (ret)
+// D_DERROR( ret, "SurfPool/Local: Could not call buffer owner to free it there!\n" );
+
+ D_MAGIC_CLEAR( alloc );
+
+ return DFB_OK;
+}
+
+static DFBResult
+localLock( CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local,
+ CoreSurfaceAllocation *allocation,
+ void *alloc_data,
+ CoreSurfaceBufferLock *lock )
+{
+ LocalAllocationData *alloc = alloc_data;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation );
+ D_MAGIC_ASSERT( lock, CoreSurfaceBufferLock );
+ D_MAGIC_ASSERT( alloc, LocalAllocationData );
+
+ lock->addr = alloc->addr;
+ lock->pitch = alloc->pitch;
+
+ return DFB_OK;
+}
+
+static DFBResult
+localUnlock( CoreSurfacePool *pool,
+ void *pool_data,
+ void *pool_local,
+ CoreSurfaceAllocation *allocation,
+ void *alloc_data,
+ CoreSurfaceBufferLock *lock )
+{
+ LocalAllocationData *alloc = alloc_data;
+
+ D_MAGIC_ASSERT( pool, CoreSurfacePool );
+ D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation );
+ D_MAGIC_ASSERT( lock, CoreSurfaceBufferLock );
+ D_MAGIC_ASSERT( alloc, LocalAllocationData );
+
+ (void) alloc;
+
+ return DFB_OK;
+}
+
+const SurfacePoolFuncs localSurfacePoolFuncs = {
+ .PoolDataSize = localPoolDataSize,
+ .PoolLocalDataSize = localPoolLocalDataSize,
+ .AllocationDataSize = localAllocationDataSize,
+
+ .InitPool = localInitPool,
+ .JoinPool = localJoinPool,
+ .DestroyPool = localDestroyPool,
+ .LeavePool = localLeavePool,
+
+ .AllocateBuffer = localAllocateBuffer,
+ .DeallocateBuffer = localDeallocateBuffer,
+
+ .Lock = localLock,
+ .Unlock = localUnlock,
+};
+
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