mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
3.6 KiB
106 lines
3.6 KiB
/* |
|
This file is part of Magnum. |
|
|
|
Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a |
|
copy of this software and associated documentation files (the "Software"), |
|
to deal in the Software without restriction, including without limitation |
|
the rights to use, copy, modify, merge, publish, distribute, sublicense, |
|
and/or sell copies of the Software, and to permit persons to whom the |
|
Software is furnished to do so, subject to the following conditions: |
|
|
|
The above copyright notice and this permission notice shall be included |
|
in all copies or substantial portions of the Software. |
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
DEALINGS IN THE SOFTWARE. |
|
*/ |
|
|
|
#include "Sampler.h" |
|
|
|
#include <Utility/Debug.h> |
|
|
|
#include "Context.h" |
|
#include "Implementation/State.h" |
|
#include "Implementation/TextureState.h" |
|
|
|
namespace Magnum { |
|
|
|
/* Check correctness of binary OR in setMinificationFilter(). If nobody fucks |
|
anything up, this assert should produce the same results on all dimensions, |
|
thus testing only on AbstractTexture. */ |
|
#define filter_or(filter, mipmap) (GLint(Sampler::Filter::filter)|GLint(Sampler::Mipmap::mipmap)) |
|
static_assert((filter_or(Nearest, Base) == GL_NEAREST) && |
|
(filter_or(Nearest, Nearest) == GL_NEAREST_MIPMAP_NEAREST) && |
|
(filter_or(Nearest, Linear) == GL_NEAREST_MIPMAP_LINEAR) && |
|
(filter_or(Linear, Base) == GL_LINEAR) && |
|
(filter_or(Linear, Nearest) == GL_LINEAR_MIPMAP_NEAREST) && |
|
(filter_or(Linear, Linear) == GL_LINEAR_MIPMAP_LINEAR), |
|
"Unsupported constants for GL texture filtering"); |
|
#undef filter_or |
|
|
|
#ifndef MAGNUM_TARGET_GLES3 |
|
Float Sampler::maxSupportedAnisotropy() { |
|
GLfloat& value = Context::current()->state().texture->maxSupportedAnisotropy; |
|
|
|
/** @todo Re-enable when extension header is available */ |
|
#ifndef MAGNUM_TARGET_GLES |
|
/* Get the value, if not already cached */ |
|
if(value == 0.0f) |
|
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &value); |
|
#endif |
|
|
|
return value; |
|
} |
|
#endif |
|
|
|
#ifndef DOXYGEN_GENERATING_OUTPUT |
|
Debug operator<<(Debug debug, const Sampler::Filter value) { |
|
switch(value) { |
|
#define _c(value) case Sampler::Filter::value: return debug << "Sampler::Filter::" #value; |
|
_c(Nearest) |
|
_c(Linear) |
|
#undef _c |
|
} |
|
|
|
return debug << "Sampler::Filter::(invalid)"; |
|
} |
|
|
|
Debug operator<<(Debug debug, const Sampler::Mipmap value) { |
|
switch(value) { |
|
#define _c(value) case Sampler::Mipmap::value: return debug << "Sampler::Mipmap::" #value; |
|
_c(Base) |
|
_c(Nearest) |
|
_c(Linear) |
|
#undef _c |
|
} |
|
|
|
return debug << "Sampler::Mipmap::(invalid)"; |
|
} |
|
|
|
Debug operator<<(Debug debug, const Sampler::Wrapping value) { |
|
switch(value) { |
|
#define _c(value) case Sampler::Wrapping::value: return debug << "Sampler::Wrapping::" #value; |
|
_c(Repeat) |
|
_c(MirroredRepeat) |
|
_c(ClampToEdge) |
|
#ifndef MAGNUM_TARGET_GLES3 |
|
_c(ClampToBorder) |
|
#endif |
|
#ifndef MAGNUM_TARGET_GLES |
|
_c(MirrorClampToEdge) |
|
#endif |
|
#undef _c |
|
} |
|
|
|
return debug << "Sampler::Wrapping::(invalid)"; |
|
} |
|
#endif |
|
|
|
}
|
|
|