aa833acfd3
GLObjectVisitor to better fit its function, and added support for releasing objects as well as compiling them.
664 lines
28 KiB
C++
664 lines
28 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_TEXTURE
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#define OSG_TEXTURE 1
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#include <osg/GL>
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#include <osg/Image>
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#include <osg/StateAttribute>
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#include <osg/ref_ptr>
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#include <osg/Vec4>
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#include <osg/buffered_value>
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#include <list>
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#include <map>
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// if not defined by gl.h use the definition found in:
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// http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_filter_anisotropic.txt
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#ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
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#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
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#endif
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#ifndef GL_ARB_texture_compression
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#define GL_COMPRESSED_ALPHA_ARB 0x84E9
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#define GL_COMPRESSED_LUMINANCE_ARB 0x84EA
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#define GL_COMPRESSED_LUMINANCE_ALPHA_ARB 0x84EB
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#define GL_COMPRESSED_INTENSITY_ARB 0x84EC
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#define GL_COMPRESSED_RGB_ARB 0x84ED
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#define GL_COMPRESSED_RGBA_ARB 0x84EE
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#define GL_TEXTURE_COMPRESSION_HINT_ARB 0x84EF
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#define GL_TEXTURE_COMPRESSED_ARB 0x86A1
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#define GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A2
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#define GL_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A3
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#endif
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#ifndef GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB
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#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB 0x86A0
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#endif
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#ifndef GL_EXT_texture_compression_s3tc
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#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
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#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
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#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
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#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
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#endif
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#ifndef GL_NV_texture_shader
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#define GL_HILO_NV 0x86F4
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#define GL_DSDT_NV 0x86F5
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#define GL_DSDT_MAG_NV 0x86F6
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#define GL_DSDT_MAG_VIB_NV 0x86F7
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#define GL_HILO16_NV 0x86F8
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#define GL_SIGNED_HILO_NV 0x86F9
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#define GL_SIGNED_HILO16_NV 0x86FA
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#define GL_SIGNED_RGBA_NV 0x86FB
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#define GL_SIGNED_RGBA8_NV 0x86FC
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#define GL_SIGNED_RGB_NV 0x86FE
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#define GL_SIGNED_RGB8_NV 0x86FF
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#define GL_SIGNED_LUMINANCE_NV 0x8701
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#define GL_SIGNED_LUMINANCE8_NV 0x8702
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#define GL_SIGNED_LUMINANCE_ALPHA_NV 0x8703
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#define GL_SIGNED_LUMINANCE8_ALPHA8_NV 0x8704
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#define GL_SIGNED_ALPHA_NV 0x8705
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#define GL_SIGNED_ALPHA8_NV 0x8706
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#define GL_SIGNED_INTENSITY_NV 0x8707
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#define GL_SIGNED_INTENSITY8_NV 0x8708
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#define GL_DSDT8_NV 0x8709
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#define GL_DSDT8_MAG8_NV 0x870A
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#define GL_DSDT8_MAG8_INTENSITY8_NV 0x870B
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#define GL_SIGNED_RGB_UNSIGNED_ALPHA_NV 0x870C
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#define GL_SIGNED_RGB8_UNSIGNED_ALPHA8_NV 0x870D
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#endif
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#ifndef GL_MIRRORED_REPEAT_IBM
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#define GL_MIRRORED_REPEAT_IBM 0x8370
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#endif
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#ifndef GL_CLAMP_TO_EDGE
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#define GL_CLAMP_TO_EDGE 0x812F
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#endif
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#ifndef GL_CLAMP_TO_BORDER_ARB
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#define GL_CLAMP_TO_BORDER_ARB 0x812D
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#endif
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#ifndef GL_GENERATE_MIPMAP_SGIS
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#define GL_GENERATE_MIPMAP_SGIS 0x8191
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#define GL_GENERATE_MIPMAP_HINT_SGIS 0x8192
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#endif
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#ifndef GL_TEXTURE_3D
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#define GL_TEXTURE_3D 0x806F
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#endif
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#ifndef GL_TEXTURE_COMPARE_MODE_ARB
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#define GL_DEPTH_TEXTURE_MODE_ARB 0x884B
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#define GL_TEXTURE_COMPARE_MODE_ARB 0x884C
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#define GL_TEXTURE_COMPARE_FUNC_ARB 0x884D
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#define GL_COMPARE_R_TO_TEXTURE_ARB 0x884E
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#endif
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#ifndef TEXTURE_COMPARE_FAIL_VALUE_ARB
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#define TEXTURE_COMPARE_FAIL_VALUE_ARB 0x80BF
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#endif
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#if !defined( GL_MAX_TEXTURE_UNITS )
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#define GL_MAX_TEXTURE_UNITS 0x84E2
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#endif
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#ifndef GL_TEXTURE_DEPTH
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#define GL_TEXTURE_DEPTH 0x8071
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#endif
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namespace osg {
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/** Texture base class which encapsulates OpenGl texture functionality which common betweent the various types of OpenGL textures.*/
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class SG_EXPORT Texture : public osg::StateAttribute
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{
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public :
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Texture();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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Texture(const Texture& text,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
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virtual osg::Object* cloneType() const = 0;
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virtual osg::Object* clone(const CopyOp& copyop) const = 0;
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virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const Texture *>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "Texture"; }
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virtual Type getType() const { return TEXTURE; }
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virtual bool isTextureAttribute() const { return true; }
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enum WrapParameter {
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WRAP_S,
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WRAP_T,
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WRAP_R
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};
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enum WrapMode {
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CLAMP = GL_CLAMP,
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CLAMP_TO_EDGE = GL_CLAMP_TO_EDGE,
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CLAMP_TO_BORDER = GL_CLAMP_TO_BORDER_ARB,
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REPEAT = GL_REPEAT,
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MIRROR = GL_MIRRORED_REPEAT_IBM
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};
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/** Set the texture wrap mode.*/
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void setWrap(WrapParameter which, WrapMode wrap);
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/** Get the texture wrap mode.*/
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WrapMode getWrap(WrapParameter which) const;
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/** Set the border color for this texture. Makes difference only if
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* wrap mode is CLAMP_TO_BORDER */
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void setBorderColor(const Vec4& color) { _borderColor = color; dirtyTextureParameters(); }
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/** Get the border color for this texture.*/
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const Vec4& getBorderColor() const { return _borderColor; }
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/** Set the border width.*/
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void setBorderWidth(GLint width) { _borderWidth = width; dirtyTextureParameters(); }
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GLint getBorderWidth() const { return _borderWidth; }
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enum FilterParameter {
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MIN_FILTER,
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MAG_FILTER
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};
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enum FilterMode {
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LINEAR = GL_LINEAR,
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LINEAR_MIPMAP_LINEAR = GL_LINEAR_MIPMAP_LINEAR,
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LINEAR_MIPMAP_NEAREST = GL_LINEAR_MIPMAP_NEAREST,
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NEAREST = GL_NEAREST,
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NEAREST_MIPMAP_LINEAR = GL_NEAREST_MIPMAP_LINEAR,
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NEAREST_MIPMAP_NEAREST = GL_NEAREST_MIPMAP_NEAREST
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};
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/** Set the texture filter mode.*/
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void setFilter(FilterParameter which, FilterMode filter);
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/** Get the texture filter mode.*/
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FilterMode getFilter(FilterParameter which) const;
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/** Set the maximum anisotropy value, default value is 1.0 for
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* no anisotropic filtering. If hardware does not support anisotropic
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* filtering then normal filtering is used, equivilant to a max anisotropy value of 1.0.
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* valid range is 1.0f upwards. The maximum value depends on the graphics
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* system being used.*/
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void setMaxAnisotropy(float anis);
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/** Get the maximum anisotropy value.*/
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inline float getMaxAnisotropy() const { return _maxAnisotropy; }
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/** Set the hint of whether to use hardware mip map generation where available.*/
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inline void setUseHardwareMipMapGeneration(bool useHardwareMipMapGeneration) { _useHardwareMipMapGeneration = useHardwareMipMapGeneration; }
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/** Get the hint of whether to use hardware mip map generation where available.*/
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inline bool getUseHardwareMipMapGeneration() const { return _useHardwareMipMapGeneration; }
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/** Set the automatic unreference of image data after the texture has been set up in apply, on (true) or off (false).
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* If the image data is only referened by this Texture then the image data will be autoamtically deleted.*/
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inline void setUnRefImageDataAfterApply(bool flag) { _unrefImageDataAfterApply = flag; }
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/** Get the automatic unreference of image data after the texture has been set up in apply.*/
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inline bool getUnRefImageDataAfterApply() const { return _unrefImageDataAfterApply; }
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/** Set whether to use client storage of the texture where supported by OpenGL drivers.
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* Note, if UseClientStorageHint is set, and the OpenGL drivers support it, the osg::Image(s) associated with
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* this texture cannot be deleted, so the UnRefImageDataAfterApply flag is then ignored.*/
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inline void setClientStorageHint(bool flag) { _clientStorageHint = flag; }
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/** Get whether to use client storage of the texture where supported by OpenGL drivers.*/
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inline bool getClientStorageHint() const { return _clientStorageHint; }
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enum InternalFormatMode {
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USE_IMAGE_DATA_FORMAT,
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USE_USER_DEFINED_FORMAT,
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USE_ARB_COMPRESSION,
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USE_S3TC_DXT1_COMPRESSION,
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USE_S3TC_DXT3_COMPRESSION,
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USE_S3TC_DXT5_COMPRESSION
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};
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/** Set the internal format mode.
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* Note, If the mode is set USE_IMAGE_DATA_FORMAT, USE_ARB_COMPRESSION,
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* USE_S3TC_COMPRESSION the internalFormat is automatically selected,
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* and will overwrite the previous _internalFormat.
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*/
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inline void setInternalFormatMode(InternalFormatMode mode) { _internalFormatMode = mode; }
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/** Get the internal format mode.*/
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inline InternalFormatMode getInternalFormatMode() const { return _internalFormatMode; }
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/** Set the internal format to use when creating OpenGL textures.
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* Also sets the internalFormatMode to USE_USER_DEFINED_FORMAT.
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*/
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inline void setInternalFormat(GLint internalFormat)
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{
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_internalFormatMode = USE_USER_DEFINED_FORMAT;
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_internalFormat = internalFormat;
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}
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/** Get the internal format to use when creating OpenGL textures.*/
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inline GLint getInternalFormat() const { if (_internalFormat==0) computeInternalFormat(); return _internalFormat; }
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bool isCompressedInternalFormat() const;
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class TextureObject;
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/** Get the handle to the texture object for the current context.*/
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inline TextureObject* getTextureObject(unsigned int contextID) const
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{
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return _textureObjectBuffer[contextID].get();
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}
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/** Force a recompile on next apply() of associated OpenGL texture objects.*/
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void dirtyTextureObject();
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/** return true if the texture objects for all the required graphics contexts are loaded.*/
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bool areAllTextureObjectsLoaded() const;
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/** get the dirty flag for the current contextID.*/
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inline unsigned int& getTextureParameterDirty(unsigned int contextID) const
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{
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return _texParametersDirtyList[contextID];
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}
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/** Force a resetting on next apply() of associated OpenGL texture parameters.*/
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void dirtyTextureParameters();
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// set mode of GL_TEXTURE_COMPARE_MODE_ARB to GL_COMPARE_R_TO_TEXTURE_ARB
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// See http://oss.sgi.com/projects/ogl-sample/registry/ARB/shadow.txt
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void setShadowComparison(bool flag) { _use_shadow_comparison = flag; }
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enum ShadowCompareFunc {
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LEQUAL = GL_LEQUAL,
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GEQUAL = GL_GEQUAL
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};
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// set shadow texture comparison function
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void setShadowCompareFunc(ShadowCompareFunc func) { _shadow_compare_func = func; }
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ShadowCompareFunc getShadowCompareFunc() { return _shadow_compare_func; }
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enum ShadowTextureMode {
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LUMINANCE = GL_LUMINANCE,
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INTENSITY = GL_INTENSITY,
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ALPHA = GL_ALPHA
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};
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// set shadow texture mode after comparison
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void setShadowTextureMode(ShadowTextureMode mode) { _shadow_texture_mode = mode; }
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ShadowTextureMode getShadowTextureMode() { return _shadow_texture_mode; }
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// set value of TEXTURE_COMPARE_FAIL_VALUE_ARB texture parameter
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// http://oss.sgi.com/projects/ogl-sample/registry/ARB/shadow_ambient.txt
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void setShadowAmbient(float shadow_ambient) { _shadow_ambient = shadow_ambient; }
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float getShadowAmbient() { return _shadow_ambient; }
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/** Texture is pure virtual base class, apply must be overriden. */
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virtual void apply(State& state) const = 0;
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/** Calls apply(state) to compile the texture. */
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virtual void compileGLObjects(State& state) const;
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/** release an OpenGL objects in specified graphics context if State
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object is passed, otherwise release OpenGL objexts for all graphics context if
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State object pointer NULL.*/
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virtual void releaseGLObjects(State* state=0) const;
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/** Extensions class which encapsulates the querring of extensions and
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* associated function pointers, and provide convinience wrappers to
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* check for the extensions or use the associated functions.*/
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class SG_EXPORT Extensions : public osg::Referenced
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{
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public:
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Extensions();
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Extensions(const Extensions& rhs);
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void lowestCommonDenominator(const Extensions& rhs);
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void setupGLExtensions();
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void setMultiTexturingSupported(bool flag) { _isMultiTexturingSupported=flag; }
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bool isMultiTexturingSupported() const { return _isMultiTexturingSupported; }
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void setTextureFilterAnisotropicSupported(bool flag) { _isTextureFilterAnisotropicSupported=flag; }
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bool isTextureFilterAnisotropicSupported() const { return _isTextureFilterAnisotropicSupported; }
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void setTextureCompressionARBSupported(bool flag) { _isTextureCompressionARBSupported=flag; }
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bool isTextureCompressionARBSupported() const { return _isTextureCompressionARBSupported; }
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void setTextureCompressionS3TCSupported(bool flag) { _isTextureCompressionS3TCSupported=flag; }
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bool isTextureCompressionS3TCSupported() const { return _isTextureCompressionS3TCSupported; }
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void setTextureMirroredRepeatSupported(bool flag) { _isTextureMirroredRepeatSupported=flag; }
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bool isTextureMirroredRepeatSupported() const { return _isTextureMirroredRepeatSupported; }
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void setTextureEdgeClampSupported(bool flag) { _isTextureEdgeClampSupported=flag; }
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bool isTextureEdgeClampSupported() const { return _isTextureEdgeClampSupported; }
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void setTextureBorderClampSupported(bool flag) { _isTextureBorderClampSupported=flag; }
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bool isTextureBorderClampSupported() const { return _isTextureBorderClampSupported; }
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void setGenerateMipMapSupported(bool flag) { _isGenerateMipMapSupported=flag; }
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bool isGenerateMipMapSupported() const { return _isGenerateMipMapSupported; }
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void setShadowSupported(bool flag) { _isShadowSupported = flag; }
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bool isShadowSupported() const { return _isShadowSupported; }
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void setShadowAmbientSupported(bool flag) { _isShadowAmbientSupported = flag; }
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bool isShadowAmbientSupported() const { return _isShadowAmbientSupported; }
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void setMaxTextureSize(GLint maxsize) { _maxTextureSize=maxsize; }
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GLint maxTextureSize() const { return _maxTextureSize; }
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void setNumTextureUnits(GLint nunits ) { _numTextureUnits=nunits; }
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GLint numTextureUnits() const { return _numTextureUnits; }
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bool isCompressedTexImage2DSupported() const { return _glCompressedTexImage2D!=0; }
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void setCompressedTexImage2DProc(void* ptr) { _glCompressedTexImage2D = ptr; }
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void glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data) const;
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void setCompressedTexSubImage2DProc(void* ptr) { _glCompressedTexSubImage2D = ptr; }
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void glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei type, const GLvoid *data) const;
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void setGetCompressedTexImageProc(void* ptr) { _glGetCompressedTexImage = ptr; }
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void glGetCompressedTexImage(GLenum target, GLint level, GLvoid *data) const;
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bool isClientStorageSupported() const { return _isClientStorageSupported; }
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protected:
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~Extensions() {}
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bool _isMultiTexturingSupported;
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bool _isTextureFilterAnisotropicSupported;
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bool _isTextureCompressionARBSupported;
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bool _isTextureCompressionS3TCSupported;
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bool _isTextureMirroredRepeatSupported;
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bool _isTextureEdgeClampSupported;
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bool _isTextureBorderClampSupported;
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bool _isGenerateMipMapSupported;
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bool _isShadowSupported;
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bool _isShadowAmbientSupported;
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bool _isClientStorageSupported;
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GLint _maxTextureSize;
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GLint _numTextureUnits;
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void* _glCompressedTexImage2D;
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void* _glCompressedTexSubImage2D;
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void* _glGetCompressedTexImage;
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};
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/** Function to call to get the extension of a specified context.
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* If the Exentsion object for that context has not yet been created then
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* and the 'createIfNotInitalized' flag been set to false then returns NULL.
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* If 'createIfNotInitalized' is true then the Extensions object is
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* automatically created. However, in this case the extension object
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* only be created with the graphics context associated with ContextID..*/
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static Extensions* getExtensions(unsigned int contextID,bool createIfNotInitalized);
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/** setExtensions allows users to override the extensions across graphics contexts.
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* typically used when you have different extensions supported across graphics pipes
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* but need to ensure that they all use the same low common denominator extensions.*/
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static void setExtensions(unsigned int contextID,Extensions* extensions);
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/** Helper method which does the creation of the texture itself, but does not set or use texture binding.
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* Note, do not call this method directly unless you are implementing your own Subload callback*/
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void applyTexImage2D_load(State& state, GLenum target, const Image* image, GLsizei width, GLsizei height,GLsizei numMipmapLevels) const;
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/** Helper method which subloads images to the texture itself, but does not set or use texture binding.
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* Note, do not call this method directly unless you are implementing your own Subload callback*/
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void applyTexImage2D_subload(State& state, GLenum target, const Image* image, GLsizei width, GLsizei height, GLint inInternalFormat, GLsizei numMipmapLevels) const;
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protected :
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virtual ~Texture();
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virtual void computeInternalFormat() const = 0;
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void computeInternalFormatWithImage(const osg::Image& image) const;
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void computeRequiredTextureDimensions(State& state, const osg::Image& image,GLsizei& width, GLsizei& height,GLsizei& numMipmapLevels) const;
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bool isCompressedInternalFormat(GLint internalFormat) const;
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/** Helper method which does setting of texture paramters. */
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void applyTexParameters(GLenum target, State& state) const;
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/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
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int compareTexture(const Texture& rhs) const;
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typedef buffered_value<unsigned int> TexParameterDirtyList;
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mutable TexParameterDirtyList _texParametersDirtyList;
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WrapMode _wrap_s;
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WrapMode _wrap_t;
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WrapMode _wrap_r;
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FilterMode _min_filter;
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FilterMode _mag_filter;
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float _maxAnisotropy;
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bool _useHardwareMipMapGeneration;
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bool _unrefImageDataAfterApply;
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bool _clientStorageHint;
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Vec4 _borderColor;
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GLint _borderWidth;
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InternalFormatMode _internalFormatMode;
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mutable GLint _internalFormat;
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bool _use_shadow_comparison;
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ShadowCompareFunc _shadow_compare_func;
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ShadowTextureMode _shadow_texture_mode;
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float _shadow_ambient;
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public:
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class TextureObject : public osg::Referenced
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{
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public:
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inline TextureObject(GLuint id,GLenum target):
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_id(id),
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_target(target),
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_numMipmapLevels(0),
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_internalFormat(0),
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_width(0),
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_height(0),
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_depth(0),
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_border(0),
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_allocated(false),
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_timeStamp(0) {}
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inline TextureObject(GLuint id,
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GLenum target,
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GLint numMipmapLevels,
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GLenum internalFormat,
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GLsizei width,
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GLsizei height,
|
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GLsizei depth,
|
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GLint border):
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_id(id),
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_target(target),
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_numMipmapLevels(numMipmapLevels),
|
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_internalFormat(internalFormat),
|
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_width(width),
|
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_height(height),
|
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_depth(depth),
|
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_border(border),
|
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_allocated(false),
|
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_timeStamp(0) {}
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|
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inline bool match(GLenum target,
|
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GLint numMipmapLevels,
|
|
GLenum internalFormat,
|
|
GLsizei width,
|
|
GLsizei height,
|
|
GLsizei depth,
|
|
GLint border)
|
|
{
|
|
return isReusable() &&
|
|
(_target == target) &&
|
|
(_numMipmapLevels == numMipmapLevels) &&
|
|
(_internalFormat == internalFormat) &&
|
|
(_width == width) &&
|
|
(_height == height) &&
|
|
(_depth == depth) &&
|
|
(_border == border);
|
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}
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|
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inline void bind()
|
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{
|
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glBindTexture( _target, _id);
|
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}
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inline void setAllocated(bool allocated=true) { _allocated = allocated; }
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|
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inline void setAllocated(GLint numMipmapLevels,
|
|
GLenum internalFormat,
|
|
GLsizei width,
|
|
GLsizei height,
|
|
GLsizei depth,
|
|
GLint border)
|
|
{
|
|
_allocated=true;
|
|
_numMipmapLevels = numMipmapLevels;
|
|
_internalFormat = internalFormat;
|
|
_width = width;
|
|
_height = height;
|
|
_depth = depth;
|
|
_border = border;
|
|
}
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|
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inline bool isAllocated() const { return _allocated; }
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|
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inline bool isReusable() const { return _allocated && _width!=0; }
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|
|
|
GLuint _id;
|
|
GLenum _target;
|
|
GLint _numMipmapLevels;
|
|
GLenum _internalFormat;
|
|
GLsizei _width;
|
|
GLsizei _height;
|
|
GLsizei _depth;
|
|
GLint _border;
|
|
|
|
bool _allocated;
|
|
double _timeStamp;
|
|
};
|
|
|
|
typedef std::list< ref_ptr<TextureObject> > TextureObjectList;
|
|
typedef std::map<unsigned int, TextureObjectList > TextureObjectListMap;
|
|
|
|
/** take the active texture objects from the Texture and place them in the specified TextureObjectListMap.*/
|
|
void takeTextureObjects(TextureObjectListMap& toblm);
|
|
|
|
typedef buffered_object< ref_ptr<TextureObject> > TextureObjectBuffer;
|
|
mutable TextureObjectBuffer _textureObjectBuffer;
|
|
|
|
|
|
class SG_EXPORT TextureObjectManager : public osg::Referenced
|
|
{
|
|
public:
|
|
|
|
TextureObjectManager():
|
|
_expiryDelay(0.0) {}
|
|
|
|
virtual TextureObject* generateTextureObject(unsigned int contextID,GLenum target);
|
|
|
|
virtual TextureObject* generateTextureObject(unsigned int contextID,
|
|
GLenum target,
|
|
GLint numMipmapLevels,
|
|
GLenum internalFormat,
|
|
GLsizei width,
|
|
GLsizei height,
|
|
GLsizei depth,
|
|
GLint border);
|
|
|
|
virtual TextureObject* reuseTextureObject(unsigned int contextID,
|
|
GLenum target,
|
|
GLint numMipmapLevels,
|
|
GLenum internalFormat,
|
|
GLsizei width,
|
|
GLsizei height,
|
|
GLsizei depth,
|
|
GLint border);
|
|
|
|
inline TextureObject* reuseOrGenerateTextureObject(unsigned int contextID,
|
|
GLenum target,
|
|
GLint numMipmapLevels,
|
|
GLenum internalFormat,
|
|
GLsizei width,
|
|
GLsizei height,
|
|
GLsizei depth,
|
|
GLint border)
|
|
{
|
|
TextureObject* to = reuseTextureObject(contextID,target,numMipmapLevels,internalFormat,width,height,depth,border);
|
|
if (to) return to;
|
|
else return generateTextureObject(contextID,target,numMipmapLevels,internalFormat,width,height,depth,border);
|
|
}
|
|
|
|
virtual void addTextureObjects(TextureObjectListMap& toblm);
|
|
|
|
virtual void addTextureObjectsFrom(Texture& texture);
|
|
|
|
virtual void flushTextureObjects(unsigned int contextID,double currentTime, double& availableTime);
|
|
|
|
|
|
void setExpiryDelay(double expiryDelay) { _expiryDelay = expiryDelay; }
|
|
|
|
double getExpiryDelay() const { return _expiryDelay; }
|
|
|
|
// how long to keep unsed texture objects around for before deleting.
|
|
double _expiryDelay;
|
|
|
|
TextureObjectListMap _textureObjectListMap;
|
|
|
|
};
|
|
|
|
|
|
static void setTextureObjectManager(TextureObjectManager* tom);
|
|
static TextureObjectManager* getTextureObjectManager();
|
|
static void flushTextureObjects(unsigned int contextID,double currentTime, double& availableTime);
|
|
|
|
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|