void DiffuseGain::applyPtmLRGB(const PyramidCoeff& coeff, const PyramidRGB& rgb, const QSize* mipMapSize, const PyramidNormals& normals, const RenderingInfo& info, unsigned char* buffer)
{
int offsetBuf = 0;
const unsigned char* rgbPtr = rgb.getLevel(info.level);
const PTMCoefficient* coeffPtr = coeff.getLevel(info.level);
const vcg::Point3f* normalsPtr = normals.getLevel(info.level);
// Creates the output texture.
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetBuf = ((y-info.offy)*info.width)<<2;
int offset = y * mipMapSize[info.level].width() + info.offx;
for (int x = info.offx; x < info.offx + info.width; x++)
{
//int offset = y * mipMapSize[info.level].width() + x;
float lum = applyModel(&(coeffPtr[offset][0]), normalsPtr[offset].X(), normalsPtr[offset].Y(), info.light.X(), info.light.Y()) / 256.0f;
int offset3 = offset*3;
for (int i = 0; i < 3; i++)
buffer[offsetBuf + i] = tobyte(rgbPtr[offset3 + i] * lum);
buffer[offsetBuf + 3] = 255;
offsetBuf += 4;
offset++;
}
}
//qDebug() << "gain = " << DiffuseGain::gain;
}
void CoeffEnhancement::applyPtmLRGB(const PyramidCoeff& coeff, const PyramidRGB& rgb, const QSize* mipMapSize, const PyramidNormals& normals, const RenderingInfo& info, unsigned char* buffer)
{
//int offsetBuf = 0;
const PTMCoefficient* coeffPtr = coeff.getLevel(info.level);
const unsigned char* rgbPtr = rgb.getLevel(info.level);
PTMCoefficient* coeffMap = new PTMCoefficient[info.width*info.height];
int width = mipMapSize[info.level].width();
// Creates the map of the coefficients of the sub-image in the current view of the browser
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offset = y * width + info.offx;
int offset2 = (y - info.offy)*info.width;
for (int x = info.offx; x < info.offx + info.width; x++)
{
memcpy(coeffMap[offset2], coeffPtr[offset], sizeof(PTMCoefficient));
offset++;
offset2++;
}
}
// Computes the enhanced coefficients.
enhancedCoeff(coeffMap, info.width, info.height, 6);
// Creates the output texture.
LightMemoized lVec(info.light.X(), info.light.Y());
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetLoc = (y-info.offy)*info.width;
int offsetBuf = offsetLoc << 2;
int offset = y * width + info.offx;
for (int x = info.offx; x < info.offx + info.width; x++)
{
float lum = coeffMap[offsetLoc].evalPoly(lVec) / 255.0f;
int offset3 = offset * 3;
for (int i = 0; i < 3; i++)
buffer[offsetBuf + i] = tobyte(rgbPtr[offset3 + i] * lum);
buffer[offsetBuf + 3] = 255;
offsetBuf +=4;
offset++;
offsetLoc++;
}
}
delete[] coeffMap;
}
void SpecularEnhancement::applyPtmLRGB(const PyramidCoeff& coeff, const PyramidRGB& rgb, const QSize* mipMapSize, const PyramidNormals& normals, const RenderingInfo& info, unsigned char* buffer)
{
// Creates the output texture.
//int offsetBuf = 0;
const PTMCoefficient* coeffPtr = coeff.getLevel(info.level);
const unsigned char* rgbPtr = rgb.getLevel(info.level);
const vcg::Point3f* normalsPtr = normals.getLevel(info.level);
LightMemoized lVec(info.light.X(), info.light.Y());
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetBuf = (y-info.offy)*info.width*4;
int offset = y * mipMapSize[info.level].width() + info.offx;
for (int x = info.offx; x < info.offx + info.width; x++)
{
float lum = coeffPtr[offset].evalPoly(lVec) / 255.0f;
vcg::Point3f h(0, 0, 1);
h += info.light;
h /= 2;
h.Normalize();
float nDotH = h * normalsPtr[offset];
if (nDotH < 0)
nDotH = 0.0;
else if (nDotH > 1)
nDotH = 1.0;
nDotH = pow(nDotH, exp);
nDotH *= ks*255;
int offset3 = offset*3;
for (int i = 0; i < 3; i++)
buffer[offsetBuf + i] = tobyte((rgbPtr[offset3 + i]*kd + nDotH)*lum);
buffer[offsetBuf + 3] = 255;
offsetBuf += 4;
offset++;
}
}
}
void UnsharpMasking::applyPtmLRGB(const PyramidCoeff& coeff, const PyramidRGB& rgb, const QSize* mipMapSize, const PyramidNormals& normals, const RenderingInfo& info, unsigned char* buffer)
{
int offsetBuf = 0;
const PTMCoefficient* coeffPtr = coeff.getLevel(info.level);
const unsigned char* rgbPtr = rgb.getLevel(info.level);
float* lumMap = new float[info.width*info.height];
int width = mipMapSize[info.level].width();
if (type == 0) //image unsharp masking
{
// Creates a map for Y component and a map for UV component.
float* uvMap = new float[info.width*info.height*2];
LightMemoized lVec(info.light.X(), info.light.Y());
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetBuf = (y-info.offy)*info.width<<2;
int offset = (y * width + info.offx)*3;
int offset2 = ((y - info.offy)*info.width)*2;
for (int x = info.offx; x < info.offx + info.width; x++)
{
float lum = coeffPtr[offset / 3].evalPoly(lVec) / 255.0;
float r = rgbPtr[offset]*lum / 255.0;
float g = rgbPtr[offset + 1]*lum / 255.0;
float b = rgbPtr[offset + 2]*lum / 255.0;
getYUV(r, g, b, lumMap[offset2 / 2], uvMap[offset2], uvMap[offset2 + 1]);
offset += 3;
offset2 += 2;
}
}
// Computes the enhanced luminance.
enhancedLuminance(lumMap, info.width, info.height, info.mode);
// Creates the output texture.
bool flag = (info.mode == LUM_UNSHARP_MODE || info.mode == SMOOTH_MODE || info.mode == CONTRAST_MODE ||info.mode == ENHANCED_MODE);
if (flag)
{
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetBuf = (y - info.offy) * info.width << 2;
int offset2 =(y - info.offy) * info.width;
for (int x = info.offx; x < info.offx + info.width; x++)
{
for (int i = 0; i < 3; i++)
buffer[offsetBuf + i] = tobyte(lumMap[offset2] * 255.0);
buffer[offsetBuf + 3] = 255;
offsetBuf += 4;
offset2++;
}
}
}
else
{
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetBuf = (y - info.offy) * info.width << 2;
int offset2 =(y - info.offy)*info.width * 2;
for (int x = info.offx; x < info.offx + info.width; x++)
{
float r, g, b;
getRGB(lumMap[offset2 / 2], uvMap[offset2], uvMap[offset2 + 1], r, g, b);
buffer[offsetBuf ] = tobyte(r*255);
buffer[offsetBuf + 1] = tobyte(g*255);
buffer[offsetBuf + 2] = tobyte(b*255);
buffer[offsetBuf + 3] = 255;
offsetBuf += 4;
offset2 += 2;
}
}
}
delete[] uvMap;
}
else //unsharp masking luminance
{
// Creates a map for the polynomial luminance.
LightMemoized lVec(info.light.X(), info.light.Y());
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offset = y * width + info.offx;
int offset2 = (y - info.offy)*info.width;
for (int x = info.offx; x < info.offx + info.width; x++)
{
lumMap[offset2] = coeffPtr[offset].evalPoly(lVec) / 255.0;
offset++;
offset2++;
}
}
// Computes the enhanced luminance
enhancedLuminance(lumMap, info.width, info.height, info.mode);
// Creates the output texture.
bool flag = (info.mode == LUM_UNSHARP_MODE || info.mode == SMOOTH_MODE || info.mode == CONTRAST_MODE || info.mode == ENHANCED_MODE);
if (flag)
{
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetBuf = (y - info.offy) * info.width <<2;
int offset2 = (y - info.offy) * info.width;
for (int x = info.offx; x < info.offx + info.width; x++)
{
for (int i = 0; i < 3; i++)
buffer[offsetBuf + i] = tobyte(lumMap[offset2] / 2.0 * 255.0);
buffer[offsetBuf + 3] = 255;
offsetBuf += 4;
offset2++;
}
}
}
else
{
#pragma omp parallel for schedule(static,CHUNK)
for (int y = info.offy; y < info.offy + info.height; y++)
{
int offsetBuf = (y - info.offy) * info.width << 2;
int offset = (y * width + info.offx)*3;
int offset2 = (y - info.offy) * info.width;
for (int x = info.offx; x < info.offx + info.width; x++)
{
for (int i = 0; i < 3; i++)
buffer[offsetBuf + i] = tobyte(rgbPtr[offset + i] * lumMap[offset2]);
buffer[offsetBuf + 3] = 255;
offsetBuf += 4;
offset += 3;
offset2++;
}
}
}
}
delete[] lumMap;
}