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// license:BSD-3-Clause
// copyright-holders:Vas Crabb, Ryan Holtz
/***************************************************************************
rgbsse.c
SSE optimized RGB utilities.
WARNING: This code assumes SSE2 or greater capability.
***************************************************************************/
#if defined(__SSE2__) || defined(_MSC_VER)
#include "emu.h"
#include <emmintrin.h>
#include "rgbsse.h"
/***************************************************************************
HIGHER LEVEL OPERATIONS
***************************************************************************/
void rgbaint_t::blend(const rgbaint_t& other, UINT8 factor)
{
m_value = _mm_unpacklo_epi16(m_value, other.m_value);
m_value = _mm_madd_epi16(m_value, *(__m128i *)&rgbsse_statics.scale_table[factor][0]);
m_value = _mm_srli_epi32(m_value, 8);
}
void rgbaint_t::scale_and_clamp(const rgbaint_t& scale)
{
mul(scale);
shr(8);
min(255);
max(0);
}
void rgbaint_t::scale_imm_and_clamp(const INT32 scale)
{
mul_imm(scale);
shr(8);
min(255);
max(0);
}
void rgbaint_t::scale_add_and_clamp(const rgbaint_t& scale, const rgbaint_t& other, const rgbaint_t& scale2)
{
rgbaint_t color2(other);
color2.mul(scale2);
mul(scale);
add(color2);
shr(8);
min(255);
max(0);
}
void rgbaint_t::scale_imm_add_and_clamp(const INT32 scale, const rgbaint_t& other)
{
mul_imm(scale);
add(other);
shr(8);
min(255);
max(0);
}
void rgbaint_t::scale_add_and_clamp(const rgbaint_t& scale, const rgbaint_t& other)
{
mul(scale);
add(other);
shr(8);
min(255);
max(0);
}
#endif // defined(__SSE2__) || defined(_MSC_VER)
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