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IMG_TTMipSampler.h
Go to the documentation of this file.
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/*
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* PROPRIETARY INFORMATION. This software is proprietary to
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* Side Effects Software Inc., and is not to be reproduced,
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* transmitted, or disclosed in any way without written permission.
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*
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* NAME: IMG_TTMipSampler.h ( IMG Library, C++)
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*
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* COMMENTS: A general mipmap sampler for tiled textures
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*/
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#ifndef __IMG_TTMipSampler__
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#define __IMG_TTMipSampler__
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#include "
IMG_API.h
"
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#include "
IMG_FileTTMap.h
"
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#include <
UT/UT_NonCopyable.h
>
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#include <
UT/UT_Vector3.h
>
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class
IMG_TextureFilter
;
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class
IMG_TTChannel
;
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class
IMG_API
IMG_TTMipSampler
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{
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public
:
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IMG_TTMipSampler
(
int
xres,
int
yres,
IMG_TTChannel
*ch);
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~
IMG_TTMipSampler
();
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UT_NON_COPYABLE
(
IMG_TTMipSampler
)
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int64
getMemoryUsage(
bool
inclusive)
const
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{
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// NOTE: We don't own myChannel.
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return
inclusive ?
sizeof
(*this) : 0;
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}
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/// This method returns raw pixel data. iu and iv are in screen space.
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void
getPixel(
void
*pixel,
int
iu,
int
iv);
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void
sample(
float
*
result
,
int
nchan,
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float
u,
float
v
,
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const
IMG_TextureFilter
&
filter
);
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void
sample(
float
*
result
,
float
&visible,
int
nchan,
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float
u,
float
v
,
float
du,
float
dv,
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const
IMG_TextureFilter
&
filter
,
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float
mipblend);
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void
sampleBilinear(
float
*
result
,
int
nchan,
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float
u,
float
v
,
float
&visible,
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const
IMG_TextureFilter
&
filter
);
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void
sampleBicubic(
float
*
result
,
int
nchan,
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float
u,
float
v
,
float
&visible,
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const
IMG_TextureFilter
&
filter
);
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void
sampleBiquadratic(
float
*
result
,
int
nchan,
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float
u,
float
v
,
float
&visible,
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const
IMG_TextureFilter
&
filter
);
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private
:
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float
myXres, myYres;
// Float to minimize conversions
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float
myXres5, myYres5;
// Half the xres/yres
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int
myIXres, myIYres;
// Integer values for res
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float
myDx, myDy;
// Size of a pixel in my map
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IMG_TTChannel
*myChannel;
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};
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#endif
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v
const GLdouble * v
Definition:
glcorearb.h:837
IMG_API.h
UT_Vector3.h
result
**But if you need a result
Definition:
thread.h:613
IMG_API
#define IMG_API
Definition:
IMG_API.h:10
IMG_TTChannel
Definition:
IMG_FileTTMap.h:31
UT_NON_COPYABLE
#define UT_NON_COPYABLE(CLASS)
Define deleted copy constructor and assignment operator inside a class.
Definition:
UT_NonCopyable.h:31
int64
long long int64
Definition:
SYS_Types.h:116
UT_NonCopyable.h
IMG_TextureFilter
Modes for filtering.
Definition:
IMG_TextureFilter.h:47
IMG_FileTTMap.h
IMG_TTMipSampler
Definition:
IMG_TTMipSampler.h:22
filter
GLint GLint GLint GLint GLint GLint GLint GLbitfield GLenum filter
Definition:
glcorearb.h:1297
IMG
IMG_TTMipSampler.h
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