void shader_prog(const vs_input& in, vs_output& out)
{
vec4 pos = in.attribute(0);
vec4 nor = in.attribute(1);
out.position() = out.attribute(0) = vec4(0.0f, 0.0f, 0.0f, 0.0f);
pos.w(1.0f);
nor.w(0.0f);
for(int i = 0; i < 4; ++i)
{
union {float f; int i;} f2i;
f2i.f = in.attribute(3)[i];
float w = in.attribute(4)[i];
int boneIndex = f2i.i;
if(boneIndex == -1){break;}
vec4 skin_pos;
vec4 skin_nor;
transform(skin_pos, invMatrices[boneIndex], pos);
transform(skin_pos, boneMatrices[boneIndex], skin_pos);
transform(skin_nor, invMatrices[boneIndex], nor);
transform(skin_nor, boneMatrices[boneIndex], skin_nor);
out.position() += (skin_pos*w);
out.attribute(0) += (skin_nor*w);
}
transform(out.position(), out.position(), wvp);
// out.attribute(0) = in.attribute(1);
out.attribute(1) = in.attribute(2);
out.attribute(2) = light_pos - pos;
out.attribute(3) = eye_pos - pos;
}
void shader_prog(const vs_input& in, vs_output& out)
{
vec4 pos = in.attribute(0);
transform(out.position(), pos, wvp);
out.attribute(0) = in.attribute(0);//(vec4(1.0f, 1.0f, 1.0f, 1.0f) - in[0]);
out.attribute(1) = in.attribute(1);
}
void shader_prog(const vs_input& in, vs_output& out)
{
vec4 pos = in.attribute(0);
transform(out.position(), pos, wvp);
out.attribute(0) = in.attribute(1);
out.attribute(1) = in.attribute(2);
out.attribute(2) = light_pos - pos;
out.attribute(3) = eye_pos - pos;
}
void shader_prog(const vs_input& in, vs_output& out)
{
vec4 pos = in.attribute(0);
vec4 pos_es, normal_es;
transform(pos_es, pos, wv);
transform33(normal_es, in.attribute(1), wv);
transform(out.position(), pos_es, proj);
out.attribute(0) = vec4(light_pos - pos_es.xyz(), 1);
out.attribute(1) = vec4(eye_pos - pos_es.xyz(), 1);
out.attribute(2) = normal_es;
}
void stream_assembler::fetch_vertex(vs_input& vertex, size_t vert_index) const
{
for(auto const& reg_ied_pair: register_to_intput_element_desc_ )
{
auto reg_index = reg_ied_pair.first;
auto desc = reg_ied_pair.second;
void const* pdata = element_address(*desc, vert_index);
vertex.attribute(reg_index) = get_vec4( desc->data_format, semantic_value(desc->semantic_name, desc->semantic_index), pdata);
}
}
void shader_prog(const vs_input& in, vs_output& out)
{
vec4 pos = in.attribute(0);
transform(out.position(), pos, wvp);
out.attribute(0) = vec4(in.attribute(0).x(), in.attribute(0).z(), 0, 0);
}
