void rgbaint_t::scale_imm_and_clamp(const INT32 scale)
{
mul_imm(scale);
sra_imm(8);
max(0);
min(255);
}
void rgbaint_t::scale_and_clamp(const rgbaint_t& scale)
{
mul(scale);
sra_imm(8);
max(0);
min(255);
}
void rgbaint_t::scale_add_and_clamp(const rgbaint_t& scale, const rgbaint_t& other)
{
mul(scale);
sra_imm(8);
add(other);
max(0);
min(255);
}
void rgbaint_t::scale2_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);
sra_imm(8);
max(0);
min(255);
}
void rgbaint_t::blend(const rgbaint_t& other, UINT8 factor)
{
const VECU32 shift = vec_splat_u32(-16);
const VECS32 scale1 = { factor, factor, factor, factor };
const VECS32 scale2 = { 0x100 - factor, 0x100 - factor, 0x100 - factor, 0x100 - factor, };
VECU32 temp = vec_msum((VECU16)m_value, (VECU16)vec_rl(scale1, shift), vec_splat_u32(0));
temp = vec_msum((VECU16)other.m_value, (VECU16)vec_rl(scale2, shift), temp);
m_value = vec_msum((VECU16)m_value, (VECU16)scale1, vec_mulo((VECU16)other.m_value, (VECU16)scale2));
m_value = vec_add(vec_sl(temp, shift), (VECU32)m_value);
sra_imm(8);
}
void rgbaint_t::blend(const rgbaint_t& other, UINT8 factor)
{
const VECU32 shift = vec_splat_u32(-16);
const VECS32 scale1 = { factor, factor, factor, factor };
const VECS32 scale2 = { 0x100 - factor, 0x100 - factor, 0x100 - factor, 0x100 - factor, };
VECU32 temp = vec_msum(VECU16(m_value), VECU16(vec_rl(scale1, shift)), vec_splat_u32(0));
temp = vec_msum(VECU16(other.m_value), VECU16(vec_rl(scale2, shift)), temp);
#if defined __LITTLE_ENDIAN__
m_value = VECS32(vec_msum(VECU16(m_value), VECU16(scale1), vec_mule(VECU16(other.m_value), VECU16(scale2))));
#else
m_value = VECS32(vec_msum(VECU16(m_value), VECU16(scale1), vec_mulo(VECU16(other.m_value), VECU16(scale2))));
#endif
m_value = VECS32(vec_add(vec_sl(temp, shift), VECU32(m_value)));
sra_imm(8);
}
void rgbaint_t::scale_imm_and_clamp(const INT32 scale)
{
mul_imm(scale);
sra_imm(8);
clamp_to_uint8();
}
void rgbaint_t::scale_and_clamp(const rgbaint_t& scale)
{
mul(scale);
sra_imm(8);
clamp_to_uint8();
}