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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
//============================================================
//
// inputpair.h - BGFX sampler-and-texture pair
//
// Keeps track of the texture which is bound to the sampler
// which is bound to the specified stage index.
//
//============================================================
#include "emu.h"
#include "inputpair.h"
#include "texture.h"
#include "target.h"
#include "effect.h"
#include "uniform.h"
#include "texturemanager.h"
bgfx_input_pair::bgfx_input_pair(int index, std::string sampler, std::string texture)
: m_index(index)
, m_sampler(sampler)
, m_texture(texture)
{
}
void bgfx_input_pair::bind(bgfx_effect *effect, texture_manager& textures, const int32_t screen) const
{
assert(effect->uniform(m_sampler) != nullptr);
std::string texture = m_texture;
if (m_texture == "previous")
{
texture = m_texture + std::to_string(screen);
}
bgfx::setTexture(m_index, effect->uniform(m_sampler)->handle(), textures.handle(texture));
}
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