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Diffstat (limited to 'Source/DirectFB/systems/devmem/devmem_surface_pool.c')
| -rwxr-xr-x | Source/DirectFB/systems/devmem/devmem_surface_pool.c | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/Source/DirectFB/systems/devmem/devmem_surface_pool.c b/Source/DirectFB/systems/devmem/devmem_surface_pool.c new file mode 100755 index 0000000..1d0b6f6 --- /dev/null +++ b/Source/DirectFB/systems/devmem/devmem_surface_pool.c @@ -0,0 +1,394 @@ +/* + (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 <core/surface_pool.h> + +#include <gfx/convert.h> + +#include <misc/conf.h> + +#include "devmem.h" +#include "surfacemanager.h" + +D_DEBUG_DOMAIN( DevMem_Surfaces, "DevMem/Surfaces", "DevMem Framebuffer Surface Pool" ); +D_DEBUG_DOMAIN( DevMem_SurfLock, "DevMem/SurfLock", "DevMem Framebuffer Surface Pool Locks" ); + +/**********************************************************************************************************************/ + +typedef struct { + int magic; + + SurfaceManager *manager; +} DevMemPoolData; + +typedef struct { + int magic; + + CoreDFB *core; + void *mem; +} DevMemPoolLocalData; + +typedef struct { + int magic; + + int offset; + int pitch; + int size; + + Chunk *chunk; +} DevMemAllocationData; + +/**********************************************************************************************************************/ + +static int +devmemPoolDataSize( void ) +{ + return sizeof(DevMemPoolData); +} + +static int +devmemPoolLocalDataSize( void ) +{ + return sizeof(DevMemPoolLocalData); +} + +static int +devmemAllocationDataSize( void ) +{ + return sizeof(DevMemAllocationData); +} + +static DFBResult +devmemInitPool( CoreDFB *core, + CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + void *system_data, + CoreSurfacePoolDescription *ret_desc ) +{ + DFBResult ret; + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + DevMemData *devmem = system_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_ASSERT( core != NULL ); + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_ASSERT( data != NULL ); + D_ASSERT( local != NULL ); + D_ASSERT( devmem != NULL ); + D_ASSERT( devmem->shared != NULL ); + D_ASSERT( ret_desc != NULL ); + + ret = dfb_surfacemanager_create( core, dfb_config->video_length, &data->manager ); + if (ret) + return ret; + + ret_desc->caps = CSPCAPS_PHYSICAL | CSPCAPS_VIRTUAL; + ret_desc->access[CSAID_CPU] = CSAF_READ | CSAF_WRITE | CSAF_SHARED; + ret_desc->access[CSAID_GPU] = CSAF_READ | CSAF_WRITE | CSAF_SHARED; + ret_desc->types = CSTF_LAYER | CSTF_WINDOW | CSTF_CURSOR | CSTF_FONT | CSTF_SHARED | CSTF_EXTERNAL; + ret_desc->priority = CSPP_DEFAULT; + ret_desc->size = dfb_config->video_length; + + /* For hardware layers */ + ret_desc->access[CSAID_LAYER0] = CSAF_READ; + ret_desc->access[CSAID_LAYER1] = CSAF_READ; + ret_desc->access[CSAID_LAYER2] = CSAF_READ; + ret_desc->access[CSAID_LAYER3] = CSAF_READ; + ret_desc->access[CSAID_LAYER4] = CSAF_READ; + ret_desc->access[CSAID_LAYER5] = CSAF_READ; + ret_desc->access[CSAID_LAYER6] = CSAF_READ; + ret_desc->access[CSAID_LAYER7] = CSAF_READ; + + snprintf( ret_desc->name, DFB_SURFACE_POOL_DESC_NAME_LENGTH, "/dev/mem" ); + + local->core = core; + local->mem = devmem->mem; + + D_MAGIC_SET( data, DevMemPoolData ); + D_MAGIC_SET( local, DevMemPoolLocalData ); + + devmem->shared->manager = data->manager; + + return DFB_OK; +} + +static DFBResult +devmemJoinPool( CoreDFB *core, + CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + void *system_data ) +{ + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + DevMemData *devmem = system_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_ASSERT( core != NULL ); + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_ASSERT( local != NULL ); + D_ASSERT( devmem != NULL ); + D_ASSERT( devmem->shared != NULL ); + + (void) data; + + local->core = core; + local->mem = devmem->mem; + + D_MAGIC_SET( local, DevMemPoolLocalData ); + + return DFB_OK; +} + +static DFBResult +devmemDestroyPool( CoreSurfacePool *pool, + void *pool_data, + void *pool_local ) +{ + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + + dfb_surfacemanager_destroy( data->manager ); + + D_MAGIC_CLEAR( data ); + D_MAGIC_CLEAR( local ); + + return DFB_OK; +} + +static DFBResult +devmemLeavePool( CoreSurfacePool *pool, + void *pool_data, + void *pool_local ) +{ + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + + (void) data; + + D_MAGIC_CLEAR( local ); + + return DFB_OK; +} + +static DFBResult +devmemTestConfig( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceBuffer *buffer, + const CoreSurfaceConfig *config ) +{ + DFBResult ret; + CoreSurface *surface; + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + + D_DEBUG_AT( DevMem_Surfaces, "%s( %p )\n", __FUNCTION__, buffer ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + + surface = buffer->surface; + D_MAGIC_ASSERT( surface, CoreSurface ); + + if (surface->type & CSTF_LAYER) + return DFB_OK; + + ret = dfb_surfacemanager_allocate( local->core, data->manager, buffer, NULL, NULL ); + + D_DEBUG_AT( DevMem_Surfaces, " -> %s\n", DirectFBErrorString(ret) ); + + return ret; +} + +static DFBResult +devmemAllocateBuffer( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceBuffer *buffer, + CoreSurfaceAllocation *allocation, + void *alloc_data ) +{ + DFBResult ret; + Chunk *chunk; + CoreSurface *surface; + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + DevMemAllocationData *alloc = alloc_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s( %p )\n", __FUNCTION__, buffer ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + + surface = buffer->surface; + D_MAGIC_ASSERT( surface, CoreSurface ); + + ret = dfb_surfacemanager_allocate( local->core, data->manager, buffer, allocation, &chunk ); + if (ret) + return ret; + + D_MAGIC_ASSERT( chunk, Chunk ); + + alloc->offset = chunk->offset; + alloc->pitch = chunk->pitch; + alloc->size = chunk->length; + + alloc->chunk = chunk; + + D_DEBUG_AT( DevMem_Surfaces, " -> offset %d, pitch %d, size %d\n", alloc->offset, alloc->pitch, alloc->size ); + + allocation->size = alloc->size; + allocation->offset = alloc->offset; + + D_MAGIC_SET( alloc, DevMemAllocationData ); + + return DFB_OK; +} + +static DFBResult +devmemDeallocateBuffer( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceBuffer *buffer, + CoreSurfaceAllocation *allocation, + void *alloc_data ) +{ + DevMemPoolData *data = pool_data; + DevMemAllocationData *alloc = alloc_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s( %p )\n", __FUNCTION__, buffer ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + D_MAGIC_ASSERT( alloc, DevMemAllocationData ); + + if (alloc->chunk) + dfb_surfacemanager_deallocate( data->manager, alloc->chunk ); + + D_MAGIC_CLEAR( alloc ); + + return DFB_OK; +} + +static DFBResult +devmemLock( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceAllocation *allocation, + void *alloc_data, + CoreSurfaceBufferLock *lock ) +{ + DevMemPoolLocalData *local = pool_local; + DevMemAllocationData *alloc = alloc_data; + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + D_MAGIC_ASSERT( alloc, DevMemAllocationData ); + D_MAGIC_ASSERT( lock, CoreSurfaceBufferLock ); + + D_DEBUG_AT( DevMem_SurfLock, "%s( %p )\n", __FUNCTION__, lock->buffer ); + + lock->pitch = alloc->pitch; + lock->offset = alloc->offset; + lock->addr = local->mem + alloc->offset; + lock->phys = dfb_config->video_phys + alloc->offset; + + D_DEBUG_AT( DevMem_SurfLock, " -> offset %lu, pitch %d, addr %p, phys 0x%08lx\n", + lock->offset, lock->pitch, lock->addr, lock->phys ); + + return DFB_OK; +} + +static DFBResult +devmemUnlock( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceAllocation *allocation, + void *alloc_data, + CoreSurfaceBufferLock *lock ) +{ + DevMemAllocationData *alloc = alloc_data; + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + D_MAGIC_ASSERT( alloc, DevMemAllocationData ); + D_MAGIC_ASSERT( lock, CoreSurfaceBufferLock ); + + D_DEBUG_AT( DevMem_SurfLock, "%s( %p )\n", __FUNCTION__, lock->buffer ); + + (void) alloc; + + return DFB_OK; +} + +const SurfacePoolFuncs devmemSurfacePoolFuncs = { + .PoolDataSize = devmemPoolDataSize, + .PoolLocalDataSize = devmemPoolLocalDataSize, + .AllocationDataSize = devmemAllocationDataSize, + + .InitPool = devmemInitPool, + .JoinPool = devmemJoinPool, + .DestroyPool = devmemDestroyPool, + .LeavePool = devmemLeavePool, + + .TestConfig = devmemTestConfig, + .AllocateBuffer = devmemAllocateBuffer, + .DeallocateBuffer = devmemDeallocateBuffer, + + .Lock = devmemLock, + .Unlock = devmemUnlock, +}; 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