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/*
* Copyright 2010 Inalogic® Inc.
*
* This program 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 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#include "GLResource.h"
#include "IOpenGLResource.h"
#include "GLResourceManager.h"
#include "GraphicsEngine.h"
#include "GLTextureResourceManager.h"
#include "GLVertexResourceManager.h"
namespace nux
{
extern PixelFormatInfo GPixelFormats[];
NUX_IMPLEMENT_OBJECT_TYPE(ResourceData);
NUX_IMPLEMENT_OBJECT_TYPE(CachedResourceData);
ResourceData::ResourceData(NUX_FILE_LINE_DECL)
: Object(true, NUX_FILE_LINE_PARAM)
, m_ResourceIndex(NUX_INVALID_INDEX)
{
#define GET_UNIQUE_RESOURCE_INDEX NUX_GLOBAL_OBJECT_INSTANCE(UniqueIndex)
m_ResourceIndex = GET_UNIQUE_RESOURCE_INDEX.GetUniqueIndex();
#undef GET_UNIQUE_RESOURCE_INDEX
}
ResourceData::~ResourceData()
{
// If the windows thread is deleted before any texture type resource, the
// graphics display will not exist.
GraphicsDisplay* display = GetGraphicsDisplay();
if (display)
display->GetGraphicsEngine()->FlushCachedResourceData(this);
}
int ResourceData::GetResourceIndex() const
{
return m_ResourceIndex;
}
NResourceSet::NResourceSet()
: FirstResource( NULL )
{
if ( 1 )
{
}
}
CachedResourceData::CachedResourceData(NResourceSet *ResourceManager)
: Set(ResourceManager)
, _cached(0)
, NumRefs(0)
, ResourceType(NULL)
, Size(0)
, UpdateHint(RUH_Static)
{
PrevResource = NULL;
NextResource = Set->FirstResource;
Set->FirstResource = this;
if (NextResource)
{
NextResource->PrevResource = this;
}
}
CachedResourceData::~CachedResourceData()
{
if (PrevResource)
{
PrevResource->NextResource = NextResource;
}
else
{
Set->FirstResource = NextResource;
}
if (NextResource)
{
NextResource->PrevResource = PrevResource;
}
if (_cached)
{
Set->FlushResource(this);
_cached = false;
}
}
void NResourceCache::InitializeResourceFactories()
{
// Define the factory pair ResourceData - CachedResourceData
#define NUX_DEFINE_RESOURCE_FACTORY_PAIR(SourceTypeName, ResourceTypeName) \
static TGLResourceFactory<SourceTypeName, ResourceTypeName> Factory##SourceTypeName(&SourceTypeName::StaticObjectType); \
GetResourceFactories().push_back(&Factory##SourceTypeName);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(Texture2D, CachedTexture2D);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(TextureRectangle, CachedTextureRectangle);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(TextureCube, CachedTextureCube);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(TextureVolume, CachedTextureVolume);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(TextureFrameAnimation, CachedTextureFrameAnimation);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(VertexBuffer, CachedVertexBuffer);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(IndexBuffer, CachedIndexBuffer);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(VertexDeclaration, CachedVertexDeclaration);
NUX_DEFINE_RESOURCE_FACTORY_PAIR(MeshBuffer, CachedMeshBuffer);
#undef NUX_DEFINE_RESOURCE_FACTORY_PAIR
// Define the factory updater for and ResourceData
#define NUX_DEFINE_RESOURCE_UPDATER(SourceTypeName) \
static NResourceUpdater Updater##SourceTypeName(&SourceTypeName::StaticObjectType); \
GetResourceUpdaters().push_back(&Updater##SourceTypeName);
NUX_DEFINE_RESOURCE_UPDATER(Texture2D);
NUX_DEFINE_RESOURCE_UPDATER(TextureRectangle);
NUX_DEFINE_RESOURCE_UPDATER(TextureCube);
NUX_DEFINE_RESOURCE_UPDATER(TextureVolume);
NUX_DEFINE_RESOURCE_UPDATER(TextureFrameAnimation);
NUX_DEFINE_RESOURCE_UPDATER(VertexBuffer);
NUX_DEFINE_RESOURCE_UPDATER(IndexBuffer);
NUX_DEFINE_RESOURCE_UPDATER(VertexDeclaration);
NUX_DEFINE_RESOURCE_UPDATER(MeshBuffer);
#undef NUX_DEFINE_RESOURCE_UPDATER
}
ObjectPtr<CachedResourceData> NResourceCache::GetCachedResource(ResourceData *Source)
{
NUX_RETURN_VALUE_IF_NULL(Source, ObjectPtr<CachedResourceData>(0));
// check to see if it already exists
ObjectPtr<CachedResourceData> CachedResource = TResourceCache<int, CachedResourceData>::FindCachedResourceById(Source->GetResourceIndex());
if (CachedResource.IsNull())
{
// iterate over the list of factory types
for (unsigned int i = 0; i < GetResourceFactories().size(); ++i)
{
NResourceFactory *ResourceFactory = GetResourceFactories() [i];
// check if the factory is valid for the source resource type
if (ResourceFactory->BuildsThisResource(Source))
{
// cache the device resource
CachedResourceData* ptr = ResourceFactory->BuildResource(this, Source);
CachedResource = ObjectPtr<CachedResourceData> (ptr);
ptr->UnReference();
break;
}
}
// make sure the result is valid
if (CachedResource.IsNull())
{
nuxError("Cannot cache resource type %s", Source->Type().name );
}
else
{
// Get resource type
CachedResource->ResourceType = & (Source->Type());
// add it to the pool of cached resources
AddCachedResource(Source->GetResourceIndex(), CachedResource);
}
}
return CachedResource;
}
bool NResourceCache::IsCachedResource(ResourceData *Source)
{
ObjectPtr<CachedResourceData> CachedResource = TResourceCache< int, CachedResourceData >::FindCachedResourceById(Source->GetResourceIndex());
return(CachedResource.IsValid());
}
}
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