drawable_environment_uniforms.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
 *                                                                           *
 * Copyright(C) 2021-2026                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the              *
 * Mozilla Public License Version 2.0                                        *
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 ****************************************************************************/
 
#ifndef VCL_BGFX_DRAWABLE_UNIFORMS_DRAWABLE_ENVIRONMENT_UNIFORMS_H
#define VCL_BGFX_DRAWABLE_UNIFORMS_DRAWABLE_ENVIRONMENT_UNIFORMS_H
 
#include <vclib/bgfx/uniform.h>
#include <vclib/render/settings/pbr_viewer_settings.h>
 
namespace vcl {
 
class DrawableEnvironmentUniforms
{
    static inline std::array<float, 4> sData = {
        0.0, // roughness
        0.0, // cube side
        0.0,
        0.0};
 
    static inline Uniform sDataUniform;
 
public:
    DrawableEnvironmentUniforms() = delete;
 
    static void setRoughness(float roughness) { sData[0] = roughness; }
 
    static void setCubeSideResolution(float cubeSide) { sData[1] = cubeSide; }
 
    static void bind()
    {
        if (!sDataUniform.isValid())
            sDataUniform =
                Uniform("u_environmentSettingsPack", bgfx::UniformType::Vec4);
        sDataUniform.bind(sData.data());
    }
};
 
} // namespace vcl
 
#endif // VCL_BGFX_DRAWABLE_UNIFORMS_DRAWABLE_ENVIRONMENT_UNIFORMS_H