Kearwood Gilbert
2ec9d5cf76
Image import pipeline can now generate pre-multiplied alpha output images while they are compressed. --HG-- branch : nfb
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
//
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// KRTexture.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 KRTEXTURE_H
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#define KRTEXTURE_H
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#include "KREngine-common.h"
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#include "KRContextObject.h"
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#include "KRResource.h"
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class KRDataBlock;
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class KRTexture : public KRResource {
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public:
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KRTexture(KRContext &context, std::string name);
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virtual ~KRTexture();
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virtual void bind(GLuint texture_unit);
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void releaseHandles();
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long getMemSize();
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virtual long getReferencedMemSize();
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virtual long getMemRequiredForSize(int max_dim) = 0;
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virtual void resize(int max_dim);
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long getLastFrameUsed();
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virtual void resetPoolExpiry();
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virtual bool isAnimated();
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virtual KRTexture *compress(bool premultiply_alpha = false);
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int getCurrentLodMaxDim();
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int getMaxMipMap();
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int getMinMipMap();
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bool hasMipmaps();
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bool canStreamOut() const;
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void _swapHandles();
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protected:
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virtual bool createGLTexture(int lod_max_dim) = 0;
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GLuint getHandle();
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GLuint m_iHandle;
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GLuint m_iNewHandle;
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std::atomic_flag m_handle_lock;
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int m_current_lod_max_dim;
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uint32_t m_max_lod_max_dim;
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uint32_t m_min_lod_max_dim;
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long m_last_frame_used;
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long m_last_frame_bound;
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private:
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std::atomic<long> m_textureMemUsed;
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std::atomic<long> m_newTextureMemUsed;
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};
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#endif /* defined(KRTEXTURE_H) */
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