ret.x = r*cos(theta);
ret.y = r*sin(theta);
return ret;
}
vec2 rand_on_unit_circle(inout RNGState rstate)
{
float theta = rand01(rstate) * radians(360.0);
vec2 ret;
ret.x = cos(theta);
ret.y = sin(theta);
return ret;
}
''')
vki.Add_Inlcude_Filename('rand_xorwow.shinc')
class RNGInitializer(vki.ShaderViewable):
def __init__(self):
xorwow_data = np.fromfile(os.path.dirname(__file__) + '/' +
'xor_wow_data.bin',
dtype=np.uint32)
self.d_xorwow_data = vki.device_vector_from_numpy(xorwow_data)
self.m_cptr = SVCombine_Create({'data': self.d_xorwow_data}, '''
void matvec_i(int i, uint v_i, in Comb_#hash# initializer, int offset, inout V5 result)
{
for (int j = 0; j < 32; j++)
if ((v_i & (1 << j))!=0)
{
int k = (i * 32 + j)*5 + offset;
3.240479, -0.969256, 0.055648,
-1.537150, 1.875991, -0.204043,
-0.498535, 0.041556, 1.057311);
vec3 rgb2xyz(in vec3 rgb)
{
return mat_rgb2xyz * rgb;
}
vec3 xyz2rgb(in vec3 xyz)
{
return mat_xyz2rgb * xyz;
}
''')
vki.Add_Inlcude_Filename('spectrum.shinc')
class RGBSpectrum(vki.ShaderViewable):
def __init__(self, color=(0.0, 0.0, 0.0)):
self.m_rgb = glm.vec3(color)
self.m_svdata = vki.SVVec3(self.m_rgb)
self.m_cptr = SVCombine_Create({'data': self.m_svdata}, '''
void incr(inout Comb_#hash# a, in Comb_#hash# b)
{
a.data += b.data;
}
Comb_#hash# add(in Comb_#hash# a, in Comb_#hash# b)
{
Comb_#hash# ret;