FGFS-4.1/OpenSceneGraph
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Revised the osg::ClampColor API to allow vertex, fragment and read color clamping to

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be applied together.
This commit is contained in:
Robert Osfield
2006-09-12 09:26:42 +00:00
parent 63907dbbaf
commit 5915584b37
3 changed files with 46 additions and 60 deletions
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16
src/osg/ClampColor.cpp
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@@ -20,14 +20,16 @@
using namespace osg;
ClampColor::ClampColor():
_target(CLAMP_FRAGMENT_COLOR),
_mode(FIXED_ONLY)
_clampVertexColor(GL_FIXED_ONLY),
_clampFragmentColor(GL_FIXED_ONLY),
_clampReadColor(GL_FIXED_ONLY)
{
}
ClampColor::ClampColor(Target target, Mode mode):
_target(target),
_mode(mode)
ClampColor::ClampColor(GLenum vertexMode, GLenum fragmentMode, GLenum readMode):
_clampVertexColor(vertexMode),
_clampFragmentColor(fragmentMode),
_clampReadColor(readMode)
{
}
@@ -50,7 +52,9 @@ void ClampColor::apply(State& state) const
return;
}
extensions->glClampColor(static_cast<GLenum>(_target), static_cast<GLenum>(_mode));
extensions->glClampColor(GL_CLAMP_VERTEX_COLOR, _clampVertexColor);
extensions->glClampColor(GL_CLAMP_FRAGMENT_COLOR, _clampFragmentColor);
extensions->glClampColor(GL_CLAMP_READ_COLOR, _clampReadColor);
}