FGFS-4.1/OpenSceneGraph
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From Farshid Lashkari, Added GLBeginEndAdapter::reset(), and _overallNormalAssigned, _overallColorAssigned flags to avoid the GLBeginEndAdapter adapter setting colour and normals when none has been assigned.

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This commit is contained in:
Robert Osfield 2012-09-20 11:18:19 +00:00
parent d511288718
commit 01c7d87b1a
3 changed files with 19 additions and 3 deletions
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6
include/osg/GLBeginEndAdapter
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@ -70,6 +70,7 @@ class OSG_EXPORT GLBeginEndAdapter
void Color4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
{
_overallColorAssigned = true;
_colorAssigned = true;
_color.set(red,green,blue,alpha);
}
@ -80,6 +81,7 @@ class OSG_EXPORT GLBeginEndAdapter
void Normal3f(GLfloat x, GLfloat y, GLfloat z)
{
_overallNormalAssigned = true;
_normalAssigned = true;
_normal.set(x,y,z);
}
@ -125,6 +127,8 @@ class OSG_EXPORT GLBeginEndAdapter
void Begin(GLenum mode);
void End();
void reset();
protected:
State* _state;
@ -140,6 +144,8 @@ class OSG_EXPORT GLBeginEndAdapter
bool _colorAssigned;
osg::Vec4f _color;
bool _overallNormalAssigned;
bool _overallColorAssigned;
osg::Vec3f _overallNormal;
osg::Vec4f _overallColor;

4
src/osg/ArrayDispatchers.cpp
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@ -578,7 +578,9 @@ void ArrayDispatchers::reset()
if (!_initialized) init();
_useVertexAttribAlias = false;
_useGLBeginEndAdapter = false;
_useGLBeginEndAdapter = false;
_glBeginEndAdapter->reset();
for(ActiveDispatchList::iterator itr = _activeDispatchList.begin();
itr != _activeDispatchList.end();

12
src/osg/GLBeginEndAdapter.cpp
View File

@ -25,6 +25,8 @@ GLBeginEndAdapter::GLBeginEndAdapter(State* state):
_normal(0.0f,0.0f,1.0f),
_colorAssigned(false),
_color(1.0f,1.0f,1.0f,1.0f),
_overallNormalAssigned(false),
_overallColorAssigned(false),
_primitiveMode(0)
{
}
@ -249,7 +251,7 @@ void GLBeginEndAdapter::End()
{
_state->setColorPointer(_colors.get());
}
else
else if (_overallColorAssigned)
{
_state->Color(_overallColor.r(), _overallColor.g(), _overallColor.b(), _overallColor.a());
}
@ -258,7 +260,7 @@ void GLBeginEndAdapter::End()
{
_state->setNormalPointer(_normals.get());
}
else
else if (_overallNormalAssigned)
{
_state->Normal(_overallNormal.x(), _overallNormal.y(), _overallNormal.z());
}
@ -296,3 +298,9 @@ void GLBeginEndAdapter::End()
else if (_primitiveMode==GL_POLYGON) glDrawArrays(GL_TRIANGLE_FAN, 0, _vertices->size());
else glDrawArrays(_primitiveMode, 0, _vertices->size());
}
void GLBeginEndAdapter::reset()
{
_overallNormalAssigned = false;
_overallColorAssigned = false;
}