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path: root/src/osd/modules/render/bgfx/slideruniform.cpp
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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
//============================================================
//
//  slideruniform.cpp - BGFX shader chain slider uniform
//
//  Represents the mapping between a slider and a chain
//  shader uniform for a given entry
//
//============================================================

#include "slideruniform.h"

#include "slider.h"

#include <utility>

bgfx_slider_uniform::bgfx_slider_uniform(bgfx_uniform* uniform, std::vector<bgfx_slider*> &&sliders)
	: bgfx_entry_uniform(uniform)
	, m_sliders(std::move(sliders))
{
}

void bgfx_slider_uniform::bind()
{
	float values[4];
	for (uint32_t i = 0; i < m_sliders.size(); i++)
	{
		values[i] = m_sliders[i]->uniform_value();
	}
	m_uniform->set(values, sizeof(float) * m_sliders.size());
}