112 lines
4.0 KiB
C++
Executable File
112 lines
4.0 KiB
C++
Executable File
//
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// KRTextureManager.h
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// KREngine
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//
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// Copyright 2012 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#ifndef KRTEXTUREMANAGER_H
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#define KRTEXTUREMANAGER_H
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#include "KREngine-common.h"
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#include "KRTexture.h"
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#include "KRContextObject.h"
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#include "KREngine-common.h"
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#include "KRDataBlock.h"
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#include "KRContext.h"
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#include "KRStreamer.h"
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class KRTextureManager : public KRContextObject {
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public:
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KRTextureManager(KRContext &context);
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virtual ~KRTextureManager();
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void selectTexture(int iTextureUnit, KRTexture *pTexture, float lod_coverage, KRTexture::texture_usage_t textureUsage);
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bool selectTexture(GLenum target, int iTextureUnit, int iTextureHandle);
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KRTexture *loadTexture(const char *szName, const char *szExtension, KRDataBlock *data);
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KRTexture *getTextureCube(const char *szName);
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KRTexture *getTexture(const std::string &name);
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long getMemUsed();
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long getMemActive();
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long getMemoryTransferedThisFrame();
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void addMemoryTransferredThisFrame(long memoryTransferred);
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void memoryChanged(long memoryDelta);
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void startFrame(float deltaTime);
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void endFrame(float deltaTime);
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unordered_map<std::string, KRTexture *> &getTextures();
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void compress(bool premultiply_alpha = false);
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std::set<KRTexture *> &getActiveTextures();
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void _setActiveTexture(int i);
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void _setWrapModeS(GLuint i, GLuint wrap_mode);
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void _setWrapModeT(GLuint i, GLuint wrap_mode);
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void _setMaxAnisotropy(int i, float max_anisotropy);
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void _clearGLState();
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void setMaxAnisotropy(float max_anisotropy);
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void doStreaming(long &memoryRemaining, long &memoryRemainingThisFrame);
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void primeTexture(KRTexture *texture);
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private:
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int m_iActiveTexture;
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long m_memoryTransferredThisFrame;
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unordered_map<std::string, KRTexture *> m_textures;
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KRTexture *m_boundTextures[KRENGINE_MAX_TEXTURE_UNITS];
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int m_boundTextureHandles[KRENGINE_MAX_TEXTURE_UNITS];
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GLuint m_wrapModeS[KRENGINE_MAX_TEXTURE_UNITS];
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GLuint m_wrapModeT[KRENGINE_MAX_TEXTURE_UNITS];
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float m_maxAnisotropy[KRENGINE_MAX_TEXTURE_UNITS];
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std::set<KRTexture *> m_activeTextures;
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std::vector<std::pair<float, KRTexture *> > m_activeTextures_streamer;
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std::vector<std::pair<float, KRTexture *> > m_activeTextures_streamer_copy;
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bool m_streamerComplete;
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std::atomic<long> m_textureMemUsed;
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void balanceTextureMemory(long &memoryRemaining, long &memoryRemainingThisFrame);
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std::mutex m_streamerFenceMutex;
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};
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#endif
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