drawable_directional_light_uniforms.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
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 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
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#ifndef VCL_BGFX_DRAWABLE_UNIFORMS_DRAWABLE_DIRECTIONAL_LIGHT_UNIFORMS_H
#define VCL_BGFX_DRAWABLE_UNIFORMS_DRAWABLE_DIRECTIONAL_LIGHT_UNIFORMS_H
 
#include <vclib/bgfx/uniform.h>
#include <vclib/space/core/color.h>
 
namespace vcl {
 
class DrawableDirectionalLightUniforms
{
    float mLightColor[4] = {1.0, 1.0, 0.0, 1.0};
 
    Uniform mLightColorUniform =
        Uniform("u_drawableDirectionalLightColor", bgfx::UniformType::Vec4);
 
public:
    DrawableDirectionalLightUniforms() = default;
 
    void setColor(const vcl::Color& color)
    {
        mLightColor[0] = color.redF();
        mLightColor[1] = color.greenF();
        mLightColor[2] = color.blueF();
        mLightColor[3] = color.alphaF();
    }
 
    void bind() const { mLightColorUniform.bind(mLightColor); }
};
 
} // namespace vcl
 
#endif // VCL_BGFX_DRAWABLE_UNIFORMS_DRAWABLE_DIRECTIONAL_LIGHT_UNIFORMS_H