void FP_SingleColour::process(const FragmentProcessorInput* input, FragmentProcessorOutput* output) const
{
const PROCDATA_SINGLECOLOUR* inData = (const PROCDATA_SINGLECOLOUR*)input->user;
float shadowFactor = PuresoftSamplerProjection::get(m_shadowTex, inData->shadowcoord);
ALIGN16 float L[4];
mcemaths_sub_3_4(L, m_lightPos, inData->worldPos);
mcemaths_norm_3_4(L);
ALIGN16 float E[4];
mcemaths_sub_3_4(E, m_cameraPos, inData->worldPos);
mcemaths_norm_3_4(E);
ALIGN16 float H[4];
mcemaths_add_3_4(H, E, L);
mcemaths_norm_3_4(H);
enum {LAMBERT, SPECULAR};
ALIGN16 float factors[4];
factors[LAMBERT] = mcemaths_dot_3_4(L, inData->normal);
float yawOfLight = (float)acos(mcemaths_dot_3_4(L, m_lightDir));
factors[LAMBERT] *= yawOfLight < fieldOfLight ? 1.0f : (float)opt_pow(cos(yawOfLight - fieldOfLight), 150);
factors[SPECULAR] = opt_pow(mcemaths_dot_3_4(H, inData->normal), (unsigned int)*m_specularExponent);
mcemaths_clamp_3_4(factors, 0, 1.0f);
ALIGN16 float outputColour[4];
mcemaths_quatcpy(outputColour, m_diffuse);
mcemaths_mul_3_4(outputColour, factors[LAMBERT]);
ALIGN16 float specularColour[4];
mcemaths_quatcpy(specularColour, m_diffuse);
mcemaths_mulvec_3_4(specularColour, m_specularColour);
mcemaths_mul_3_4(specularColour, factors[SPECULAR]);
ALIGN16 float ambientColour[4];
mcemaths_quatcpy(ambientColour, m_diffuse);
mcemaths_mulvec_3_4(ambientColour, m_ambient);
mcemaths_add_3_4_ip(outputColour, specularColour);
mcemaths_mul_3_4(outputColour, shadowFactor);
mcemaths_add_3_4_ip(outputColour, ambientColour);
mcemaths_clamp_3_4(outputColour, 0, 1.0f);
mcemaths_mul_3_4(outputColour, 255.0f);
PURESOFTBGRA bytesColour;
bytesColour.elems.r = (unsigned char)outputColour[2];
bytesColour.elems.g = (unsigned char)outputColour[1];
bytesColour.elems.b = (unsigned char)outputColour[0];
bytesColour.elems.a = 0;
output->write4(0, &bytesColour);
}
void FP_DiffuseOnly::process(const FragmentProcessorInput* input, FragmentProcessorOutput* output) const
{
PURESOFTBGRA bytesColour;
ALIGN16 float outputColour[4], ambiemtColour[4];
const PROCDATA_DIFFUSEONLY* inData = (const PROCDATA_DIFFUSEONLY*)input->user;
float shadowFactor = PuresoftSamplerProjection::get(m_shadowTex, inData->shadowcoord);
PuresoftSampler2D::get4(m_diffuseTex, inData->texcoord[0], inData->texcoord[1], &bytesColour);
outputColour[0] = bytesColour.elems.b;
outputColour[1] = bytesColour.elems.g;
outputColour[2] = bytesColour.elems.r;
outputColour[3] = bytesColour.elems.a;
mcemaths_quatcpy(ambiemtColour, outputColour);
mcemaths_mulvec_3_4(ambiemtColour, m_ambient);
ALIGN16 float L[4];
mcemaths_sub_3_4(L, m_lightPos, inData->worldPos);
mcemaths_norm_3_4(L);
ALIGN16 float E[4];
mcemaths_sub_3_4(E, m_cameraPos, inData->worldPos);
mcemaths_norm_3_4(E);
ALIGN16 float H[4];
mcemaths_add_3_4(H, E, L);
mcemaths_norm_3_4(H);
enum {LAMBERT, SPECULAR};
ALIGN16 float factors[4];
factors[LAMBERT] = mcemaths_dot_3_4(L, inData->normal);
float yawOfLight = acos(mcemaths_dot_3_4(L, m_lightDir));
factors[LAMBERT] *= yawOfLight < fieldOfLight ? 1.0f : opt_pow(cos(yawOfLight - fieldOfLight), 150);
factors[SPECULAR] = opt_pow(mcemaths_dot_3_4(H, inData->normal), (unsigned int)*m_specularExponent);
mcemaths_clamp_3_4(factors, 0, 1.0f);
mcemaths_mul_3_4(outputColour, (factors[LAMBERT] + factors[SPECULAR]) * shadowFactor);
mcemaths_add_3_4_ip(outputColour, ambiemtColour);
mcemaths_clamp_3_4(outputColour, 0, 255.0f);
bytesColour.elems.r = (unsigned char)outputColour[2];
bytesColour.elems.g = (unsigned char)outputColour[1];
bytesColour.elems.b = (unsigned char)outputColour[0];
bytesColour.elems.a = 0;
output->write4(0, &bytesColour);
}
void FP_Satellite::process(const FragmentProcessorInput* input, FragmentProcessorOutput* output) const
{
ALIGN16 float outputColour[4];
ALIGN16 float bumpNormal[4];
PURESOFTBGRA bytesColour;
const PROCDATA_PLANET* inData = (const PROCDATA_PLANET*)input->user;
PuresoftSampler2D::get4(m_diffuseTex, inData->texcoord[0], inData->texcoord[1], &bytesColour);
outputColour[0] = bytesColour.elems.b;
outputColour[1] = bytesColour.elems.g;
outputColour[2] = bytesColour.elems.r;
outputColour[3] = bytesColour.elems.a;
PuresoftSampler2D::get4(m_bumpTex, inData->texcoord[0], inData->texcoord[1], &bytesColour);
bumpNormal[0] = bytesColour.elems.r;
bumpNormal[1] = bytesColour.elems.g;
bumpNormal[2] = bytesColour.elems.b;
bumpNormal[3] = 0;
float shadowFactor = PuresoftSamplerProjection::get(m_shadowTex, inData->shadowcoord);
mcemaths_div_3_4(bumpNormal, 255.0f);
mcemaths_mul_3_4(bumpNormal, 2.0f);
mcemaths_sub_4by1(bumpNormal, 1.0f);
ALIGN16 float tbn[16];
mcemaths_make_tbn(tbn, inData->tangent, inData->binormal, inData->normal);
mcemaths_transform_m4v4_ip(bumpNormal, tbn);
mcemaths_norm_3_4(bumpNormal);
ALIGN16 float L[4];
mcemaths_sub_3_4(L, m_lightPos, inData->worldPos);
float distance = mcemaths_len_3_4(L);
mcemaths_div_3_4(L, distance);
ALIGN16 float E[4];
mcemaths_sub_3_4(E, m_cameraPos, inData->worldPos);
mcemaths_norm_3_4(E);
ALIGN16 float H[4];
mcemaths_add_3_4(H, E, L);
mcemaths_norm_3_4(H);
float lambert = mcemaths_dot_3_4(L, bumpNormal);
float specular = mcemaths_dot_3_4(H, bumpNormal);
specular = specular < 0 ? 0 : specular;
//specular = pow(specular, 50.0f);
specular = opt_pow(specular, 50);
mcemaths_add_1to4(outputColour, 255.0f * specular);
mcemaths_mul_3_4(outputColour, lambert);
mcemaths_mul_3_4(outputColour, shadowFactor);
mcemaths_clamp_3_4(outputColour, 0, 255.0f);
bytesColour.elems.r = (unsigned char)outputColour[2];
bytesColour.elems.g = (unsigned char)outputColour[1];
bytesColour.elems.b = (unsigned char)outputColour[0];
bytesColour.elems.a = 0;
output->write4(0, &bytesColour);
}