Files
kraken/KREngine/kraken/KRTexture.h
Kearwood Gilbert 8a1164c44f - Implemented methods for determining amount of scene that has streamed in. (KRScene::getStreamLevel, KRNode::getStreamLevel, KRModel::getStreamLevel, KRMaterial::getStreamLevel, and KRTexture::getStreamLevel
- Implemented connection between LOD groups and texture streaming, which delays the switch to a new LOD group until the required textures have completed streaming in.
- Corrected bug in KRMaterial that resulted in reflection cube texture names being formatted incorrectly in the mtl file
- Scene graph now requires that lod_group nodes only be contained within lod_set nodes.
- Scene graph  group nodes that do not have a LOD minimum or maximum distance are now stored as "node" rather than as "lod_group" nodes.
- IMPORTANT!  Scenes exported with this version will not be backwards compatible with earlier versions due to the requirement of lod_set nodes.

--HG--
branch : nfb
extra : rebase_source : 1ff640b85338a794841ebbb2bf0087306ff59143
2014-03-10 22:32:49 -07:00

96 lines
2.9 KiB
C++

//
// KRTexture.h
// KREngine
//
// Copyright 2012 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#ifndef KRTEXTURE_H
#define KRTEXTURE_H
#include "KREngine-common.h"
#include "KRContextObject.h"
#include "KRResource.h"
class KRDataBlock;
class KRCamera;
class KRTexture : public KRResource {
public:
KRTexture(KRContext &context, std::string name);
virtual ~KRTexture();
virtual void bind(GLuint texture_unit);
void releaseHandles();
long getMemSize();
virtual long getReferencedMemSize();
virtual long getMemRequiredForSize(int max_dim) = 0;
virtual void resize(int max_dim);
long getLastFrameUsed();
virtual void resetPoolExpiry();
virtual bool isAnimated();
virtual KRTexture *compress(bool premultiply_alpha = false);
int getCurrentLodMaxDim();
int getMaxMipMap();
int getMinMipMap();
bool hasMipmaps();
bool canStreamOut() const;
kraken_stream_level getStreamLevel(bool prime = true);
void _swapHandles();
protected:
virtual bool createGLTexture(int lod_max_dim) = 0;
GLuint getHandle();
GLuint m_iHandle;
GLuint m_iNewHandle;
std::atomic_flag m_handle_lock;
int m_current_lod_max_dim;
uint32_t m_max_lod_max_dim;
uint32_t m_min_lod_max_dim;
long m_last_frame_used;
long m_last_frame_bound;
private:
std::atomic<long> m_textureMemUsed;
std::atomic<long> m_newTextureMemUsed;
};
#endif /* defined(KRTEXTURE_H) */