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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
//============================================================
//
// slider.cpp - BGFX shader parameter slider
//
//============================================================
#include "emu.h"
#include "slider.h"
bgfx_slider::bgfx_slider(slider_type type, std::string name, std::string description, void *defaults, void *min, void *max)
: m_type(type)
, m_name(name)
, m_description(description)
{
m_data = global_alloc_array_clear<char>(storage_size(type));
m_min = global_alloc_array_clear<char>(storage_size(type));
m_max = global_alloc_array_clear<char>(storage_size(type));
memcpy(m_data, defaults, size(type));
memcpy(m_min, min, size(type));
memcpy(m_max, max, size(type));
}
bgfx_slider::~bgfx_slider()
{
global_free(m_data);
global_free(m_min);
global_free(m_max);
}
size_t bgfx_slider::storage_size(slider_type type)
{
switch(type)
{
case SLIDER_INT:
return 1 * sizeof(int);
case SLIDER_BOOL:
case SLIDER_FLOAT:
case SLIDER_COLOR:
case SLIDER_VEC2:
return 4 * sizeof(float);
default:
return 0;
}
}
size_t bgfx_slider::size(slider_type type)
{
switch(type)
{
case SLIDER_INT:
return sizeof(int);
case SLIDER_BOOL:
case SLIDER_FLOAT:
return sizeof(float);
case SLIDER_COLOR:
return sizeof(float) * 3;
case SLIDER_VEC2:
return sizeof(float) * 2;
default:
return 0;
}
}
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