Hi all,
I am trying to draw an osg scene (lz.osg) with shaders. For that, I had to use
the Visitor Pattern and so on. The problem that I am having is that I don't
know how the texture coordinates are beeing uploaded to shaders. I was
expecting that I could use osg_MultiTexCoord0 in a similar way than osg_Vertex,
but it seems that doesn't work.
Here is my shader code.
Vertex shader:
Code:
#version 400
uniform mat4 osg_ModelViewProjectionMatrix;
in vec4 osg_Vertex;
in vec4 osg_MultiTexCoord0;
out vec2 texCoord;
void main()
{
texCoord = osg_MultiTexCoord0.st;
gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex;
}
Fragment shader:
Code:
#version 400
out vec4 outColor;
uniform sampler2D baseMap;
in vec2 texCoord;
void main()
{
outColor = texture(baseMap, texCoord);
}
Thank you!
Best wishes
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=61277#61277
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