void Render(const PangoCairoLayout& layout)
{
_bitmap.Set(GLint(layout.Use()));
_log_coords.Set(layout._log_coords);
_tex_coords.Set(layout._tex_coords);
_gl.DrawArrays(PrimitiveType::Points, 0, 1);
}
virtual float next1D(SampleBlock block) override final
{
if (_blockOffset[block] > blockMaximum(block))
FAIL("_blockOffset[%s] (%d) > %d", block, _blockOffset[block], blockMaximum(block));
int dimension = _pathOffset + block + _blockOffset[block];
_blockOffset[block]++;
if (dimension >= 1024)
return _supplementalSampler.next1D();
return BitManip::normalizedUint(sobol::sample(permutedIndex(), dimension, _scramble));
}
virtual Vec2f next2D() override final
{
float a = _sampler.next1D();
float b = _sampler.next1D();
return Vec2f(a, b);
}
virtual float next1D() override final
{
return _sampler.next1D();
}
virtual int nextDiscrete(int numChoices) override final
{
return int(_sampler.next1D()*numChoices);
}
virtual bool nextBoolean(float pTrue) override final
{
return _sampler.next1D() < pTrue;
}
virtual void loadState(InputStreamHandle &in) override
{
_sampler.loadState(in);
}
virtual void saveState(OutputStreamHandle &out) override
{
_sampler.saveState(out);
}
virtual int nextDiscrete(SampleBlock /*block*/, int numChoices) override final
{
return int(_supplementalSampler.next1D()*numChoices);
}
virtual bool nextBoolean(SampleBlock /*block*/, float pTrue) override final
{
return _supplementalSampler.next1D() < pTrue;
}
virtual void loadState(InputStreamHandle &in) override final
{
FileUtils::streamRead(in, _seed);
_supplementalSampler.loadState(in);
}
virtual void saveState(OutputStreamHandle &out) override final
{
FileUtils::streamWrite(out, _seed);
_supplementalSampler.saveState(out);
}