void GLSoftSpriteRenderer::Add(spades::draw::GLImage *img, spades::Vector3 center,
float rad, float ang, Vector4 color) {
SPADES_MARK_FUNCTION_DEBUG();
const client::SceneDefinition &def = renderer->GetSceneDef();
Sprite spr;
spr.image = img;
spr.center = center;
spr.radius = rad;
spr.angle = ang;
if (settings.r_hdr) {
// linearize color
if (color.x > color.w || color.y > color.w || color.z > color.w) {
// emissive material
color.x *= color.x;
color.y *= color.y;
color.z *= color.z;
} else {
// scattering/absorptive material
float rcp = fastRcp(color.w + .01);
color.x *= color.x * rcp;
color.y *= color.y * rcp;
color.z *= color.z * rcp;
}
}
spr.color = color;
spr.area = rad * rad * 4.f /
std::max(Vector3::Dot(center - def.viewOrigin, def.viewAxis[2]), 0.01f);
sprites.push_back(spr);
}
void SWModelRenderer::RenderInner(spades::draw::SWModel *model,
const client::ModelRenderParam ¶m) {
auto& mat = param.matrix;
auto origin = mat.GetOrigin();
auto axis1 = mat.GetAxis(0);
auto axis2 = mat.GetAxis(1);
auto axis3 = mat.GetAxis(2);
auto *rawModel = model->GetRawModel();
auto rawModelOrigin = rawModel->GetOrigin();
rawModelOrigin += 0.1f;
origin += axis1 * rawModelOrigin.x;
origin += axis2 * rawModelOrigin.y;
origin += axis3 * rawModelOrigin.z;
int w = rawModel->GetWidth();
int h = rawModel->GetHeight();
//int d = rawModel->GetDepth();
// evaluate brightness for each normals
uint8_t brights[3*3*3];
{
auto lightVec = MakeVector3(0.f, -0.707f, -0.707f);
float dot1 = Vector3::Dot(axis1, lightVec) * fastRSqrt(axis1.GetPoweredLength());
float dot2 = Vector3::Dot(axis2, lightVec) * fastRSqrt(axis2.GetPoweredLength());
float dot3 = Vector3::Dot(axis3, lightVec) * fastRSqrt(axis3.GetPoweredLength());
for(int x = 0; x < 3; x++){
float d;
int cnt;
switch(x){
case 0: d = -dot1; cnt = 1; break;
case 1: d = 0.f; cnt = 0; break;
case 2: d = dot1; cnt = 1; break;
}
for(int y = 0; y < 3; y++){
auto d2 = d;
auto cnt2 = cnt;
switch(y){
case 0: d2 -= dot2; cnt2++; break;
case 1: break;
case 2: d2 += dot2; cnt2++; break;
}
for(int z = 0; z < 3; z++) {
auto d3 = d;
auto cnt3 = cnt2;
switch(y){
case 0: d3 -= dot3; cnt3++; break;
case 1: break;
case 2: d3 += dot3; cnt3++; break;
}
switch(cnt3){
case 2:
d3 *= 0.707f;
break;
case 3:
d3 *= 0.57735f;
break;
}
d3 = 192.f + d3 * 62.f;
brights[x + y * 3 + z * 9]
= static_cast<uint8_t>(d3);
}
}
}
}
// compute center coord. for culling
{
auto center = origin;
auto localCenter = model->GetCenter();
center += axis1 * localCenter.x;
center += axis2 * localCenter.y;
center += axis3 * localCenter.z;
float largestAxis = axis1.GetPoweredLength();
largestAxis = std::max(largestAxis, axis2.GetPoweredLength());
largestAxis = std::max(largestAxis, axis3.GetPoweredLength());
if(!r->SphereFrustrumCull(center, model->GetRadius() * sqrtf(largestAxis)))
return;
}
Bitmap *fbmp = r->fb;
auto *fb = fbmp->GetPixels();
int fw = fbmp->GetWidth();
int fh = fbmp->GetHeight();
auto *db = r->depthBuffer.data();
Matrix4 viewproj = r->GetProjectionViewMatrix();
Vector4 ndc2scrscale = {fw * 0.5f, -fh * 0.5f, 1.f, 1.f};
//Vector4 ndc2scroff = {fw * 0.5f, fh * 0.5f, 0.f, 0.f};
int ndc2scroffX = fw >> 1;
int ndc2scroffY = fh >> 1;
// render each points
auto tOrigin = viewproj * MakeVector4(origin.x, origin.y, origin.z, 1.f);
auto tAxis1 = viewproj * MakeVector4(axis1.x, axis1.y, axis1.z, 0.f);
auto tAxis2 = viewproj * MakeVector4(axis2.x, axis2.y, axis2.z, 0.f);
auto tAxis3 = viewproj * MakeVector4(axis3.x, axis3.y, axis3.z, 0.f);
tOrigin *= ndc2scrscale;
tAxis1 *= ndc2scrscale;
tAxis2 *= ndc2scrscale;
tAxis3 *= ndc2scrscale;
float pointDiameter;// = largestAxis * 0.55f * fh * 0.5f;
{
float largestAxis = tAxis1.GetPoweredLength();
largestAxis = std::max(largestAxis, tAxis2.GetPoweredLength());
largestAxis = std::max(largestAxis, tAxis3.GetPoweredLength());
pointDiameter = sqrtf(largestAxis);
}
uint32_t customColor;
customColor =
ToFixed8(param.customColor.z) |
(ToFixed8(param.customColor.y) << 8) |
(ToFixed8(param.customColor.x) << 16);
auto v1 = tOrigin;
float zNear = r->sceneDef.zNear;
for(int x = 0; x < w; x++) {
auto v2 = v1;
for(int y = 0; y < h; y++) {
auto *mp = &model->renderData
[model->renderDataAddr[x + y * w]];
while(*mp != -1) {
uint32_t data = *(mp++);
uint32_t normal = *(mp++);
int z = static_cast<int>(data >> 24);
//SPAssert(z < d);
SPAssert(z >= 0);
auto vv = v2 + tAxis3 * zvals[z];
if(vv.z < zNear) continue;
// save Z value (don't divide this by W!)
float zval = vv.z;
// use vv.z for point radius to be divided by W
vv.z = pointDiameter;
// perspective division
float scl = fastRcp(vv.w);
vv *= scl;
int ix = static_cast<int>(vv.x) + ndc2scroffX;
int iy = static_cast<int>(vv.y) + ndc2scroffY;
int idm = static_cast<int>(vv.z + .99f);
idm = std::max(1, idm);
int minX = ix - (idm >> 1);
int minY = iy - (idm >> 1);
if(minX >= fw || minY >= fh) continue;
int maxX = ix + idm;
int maxY = iy + idm;
if(maxX <= 0 || maxY <= 0) continue;
minX = std::max(minX, 0);
minY = std::max(minY, 0);
maxX = std::min(maxX, fw);
maxY = std::min(maxY, fh);
auto *fb2 = fb + (minX + minY * fw);
auto *db2 = db + (minX + minY * fw);
int w = maxX - minX;
uint32_t color = data & 0xffffff;
if(color == 0)
color = customColor;
SPAssert(normal < 27);
int bright = brights[normal];
#if ENABLE_SSE2
if(lvl == SWFeatureLevel::SSE2) {
auto m = _mm_setr_epi32(color, 0, 0, 0);
auto f = _mm_set1_epi16(bright << 8);
m = _mm_unpacklo_epi8(m, _mm_setzero_si128());
m = _mm_mulhi_epu16(m, f);
m = _mm_packus_epi16(m, m);
_mm_store_ss(reinterpret_cast<float*>(&color),
_mm_castsi128_ps(m));
}else
#endif
{
uint32_t c1 = color & 0xff00;
uint32_t c2 = color & 0xff00ff;
c1 *= bright;
c2 *= bright;
color = ((c1&0xff0000) | (c2&0xff00ff00)) >> 8;
}
for(int yy = minY; yy < maxY; yy++){
auto *fb3 = fb2;
auto *db3 = db2;
for(int xx = w; xx > 0; xx--) {
if(zval < *db3) {
*db3 = zval;
*fb3 = color;
}
fb3++; db3++;
}
fb2 += fw;
db2 += fw;
}
}
v2 += tAxis2;
}
v1 += tAxis1;
}
}
