void plSpanTemplate::setVertices(const std::vector<Vertex>& verts) {
delete[] fData;
if (verts.empty()) {
fData = NULL;
return;
}
fStride = CalcStride(fFormat);
fNumVerts = verts.size();
fData = new unsigned char[fNumVerts * fStride];
unsigned char* dataPtr = fData;
for (size_t i=0; i<fNumVerts; i++) {
if (fFormat & kPosMask) {
*(float*)dataPtr = verts[i].fPosition.X;
dataPtr += sizeof(float);
*(float*)dataPtr = verts[i].fPosition.Y;
dataPtr += sizeof(float);
*(float*)dataPtr = verts[i].fPosition.Z;
dataPtr += sizeof(float);
}
if (fFormat & kWeightMask) {
for (size_t j=0; j<(size_t)((fFormat & kWeightMask) / 0x100); j++) {
*(float*)dataPtr = verts[i].fWeights[j];
dataPtr += sizeof(float);
}
}
if (fFormat & kWgtIdxMask) {
*(int*)dataPtr = verts[i].fWeightIdx;
dataPtr += sizeof(int);
}
if (fFormat & kNormMask) {
*(float*)dataPtr = verts[i].fNormal.X;
dataPtr += sizeof(float);
*(float*)dataPtr = verts[i].fNormal.Y;
dataPtr += sizeof(float);
*(float*)dataPtr = verts[i].fNormal.Z;
dataPtr += sizeof(float);
}
if (fFormat & kColorMask) {
*(unsigned int*)dataPtr = verts[i].fColor1;
dataPtr += sizeof(unsigned int);
}
if (fFormat & kColor2Mask) {
*(unsigned int*)dataPtr = verts[i].fColor2;
dataPtr += sizeof(unsigned int);
}
if (fFormat & kUVWMask) {
for (size_t j=0; j<(size_t)((fFormat & kUVWMask) / 0x10); j++) {
*(float*)dataPtr = verts[i].fUVWs[j].X;
dataPtr += sizeof(float);
*(float*)dataPtr = verts[i].fUVWs[j].Y;
dataPtr += sizeof(float);
*(float*)dataPtr = verts[i].fUVWs[j].Z;
dataPtr += sizeof(float);
}
}
}
}
static int
GuessAlignment(int width, int pixelSize, int stride)
{
int alignment = 8; // Max GLES allows.
while (CalcStride(width, pixelSize, alignment) != stride) {
alignment /= 2;
if (!alignment) {
MOZ_ASSERT(alignment);
return 1;
}
}
return alignment;
}
void plSpanTemplate::setFormat(unsigned short fmt) {
fFormat = fmt;
fStride = CalcStride(fFormat);
}
