def raycast(tile):
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
shapes = ren.isect_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
hp = isect(ray, shapes)
if hp is None:
film.add_sample(sample, hp2) #background
else:
hp.wo = ray.dir * -1.0
shade(hp)
film.add_sample(sample, hp) #background
def raycast(tile):
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
shapes = ren.isect_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
hp = isect(ray, shapes)
if hp is None:
film.add_sample(sample, hp2) #background
else:
hp.wo = ray.dir * -1.0
shade(hp)
film.add_sample(sample, hp) #background
def raycast_asm():
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
lst_lights = ren.lst_lights()
shapes = ren.lst_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
background = renmas.core.Spectrum(0.05, 0.05, 0.05)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
tile = next_tile()
if tile is None:
global image_saved
if not image_saved:
save_image(film, "Image5.png")
image_saved = True
return None
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
start = time.clock()
runtime.run("raycast") #100% rendering in assembly language
blt_float_img_to_window(0, 0, film.image, win)
end = time.clock()
global duration
duration = duration + (end - start)
print("Renderiranje jednog tile je trajalo", end - start, duration)
return True
def raycast_asm():
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
lst_lights = ren.lst_lights()
shapes = ren.lst_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
background = renmas.core.Spectrum(0.05, 0.05, 0.05)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
tile = next_tile()
if tile is None:
global image_saved
if not image_saved:
save_image(film, "Image5.png")
image_saved = True
return None
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
start = time.clock()
runtime.run("raycast") #100% rendering in assembly language
blt_float_img_to_window(0, 0, film.image, win)
end = time.clock()
global duration
duration = duration + (end - start)
print("Renderiranje jednog tile je trajalo", end - start, duration)
return True
def path_tracer(tile):
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
runtime.run("path_tracer") #100% rendering in assembly language
def raycast():
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
lst_lights = ren.lst_lights()
shapes = ren.lst_shapes()
#isect = renmas.shapes.isect #intersection rutine
isect = grid.isect
shade = renmas.core.shade
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
tile = next_tile()
if tile is None:
global image_saved
if not image_saved:
save_image(film, "Image5.png")
print("Slika je spremljena")
image_saved = True
return None
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
start = time.clock()
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
#hp = isect(ray, shapes, 999999.0)
hp = isect(ray)
if hp is None:
film.add_sample(sample, hp2) #background
else:
hp.wo = ray.dir * -1.0
shade(hp)
film.add_sample(sample, hp) #background
blt_float_img_to_window(0, 0, film.image, win)
end = time.clock()
global duration
duration = duration + (end - start)
print("Renderiranje jednog tile je trajalo", end - start, duration)
return True
def raycast():
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
lst_lights = ren.lst_lights()
shapes = ren.lst_shapes()
#isect = renmas.shapes.isect #intersection rutine
isect = grid.isect
shade = renmas.core.shade
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
tile = next_tile()
if tile is None:
global image_saved
if not image_saved:
save_image(film, "Image5.png")
print("Slika je spremljena")
image_saved = True
return None
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
start = time.clock()
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
#hp = isect(ray, shapes, 999999.0)
hp = isect(ray)
if hp is None:
film.add_sample(sample, hp2) #background
else:
hp.wo = ray.dir * -1.0
shade(hp)
film.add_sample(sample, hp) #background
blt_float_img_to_window(0, 0, film.image, win)
end = time.clock()
global duration
duration = duration + (end - start)
print("Renderiranje jednog tile je trajalo", end - start, duration)
return True
def path_tracer(tile):
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
shapes = ren.isect_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp3 = renmas.shapes.HitPoint()
hp2.spectrum = background
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
Lr = [] #reflection coefficient
Ld = [] #direct light
transmitance = 1.0
cur_depth = 0
max_depth = 4
#current implementation stop tracing path when we hit emitter
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
hp = isect(ray, shapes)
if hp is None:
film.add_sample(sample, hp2) #background
continue
hp.wo = ray.dir * -1.0
shade(hp)
kr = hp.brdf * (1.0 / hp.pdf) * hp.ndotwi
transmitance *= kr.r #FIXME take component that has maximum value
Lr.append(kr)
Ld.append(hp.spectrum)
cur_depth = 1
ray.dir = hp.wi #in wi is next direction
ray.origin = hp.hit_point
if hp.le.r > 0.01: #primiray ray hit emitter - stop path
hp.spectrum = hp.le
film.add_sample(sample, hp)
Lr = []
Ld = []
transmitance = 1.0
cur_depth = 0
continue
Le = renmas.core.Spectrum(0.00, 0.00, 0.00)
while True:
if cur_depth == max_depth: break
if transmitance < 0.0001: break
hp = isect(ray, shapes)
if hp is None: break
hp.wo = ray.dir * -1.0
shade(hp)
if hp.le.r > 0.0001:
#Le = hp.le
break #we hit emiter FIXME - we dont't have to stop think for better implementation !!!!
kr = hp.brdf * (1.0 / hp.pdf) * hp.ndotwi
Lr.append(kr)
Ld.append(hp.spectrum)
ray.dir = hp.wi #in wi is next direction
ray.origin = hp.hit_point
transmitance *= kr.r #FIXME take component that has maximum value
cur_depth += 1
tmp_spec = Le
for i in range(cur_depth):
brdf = Lr.pop()
ld = Ld.pop()
tmp_spec = tmp_spec.mix_spectrum(brdf) + ld
hp3.spectrum = tmp_spec
film.add_sample(sample, hp3)
Lr = []
Ld = []
transmitance = 1.0
cur_depth = 0
_background: ; add background sample to film
mov eax, background
mov ebx, sam
call add_sample
jmp _next_sample
_end_sampling:
mov dword [end_sam], 0
#END
"""
ren.prepare_for_rendering()
runtime = Runtime()
ren.get_sampler().get_sample_asm(runtime, "get_sample")
ren.get_camera().ray_asm(runtime, "generate_ray")
renmas.shapes.linear_isect_asm(runtime, "scene_isect", ren.dyn_arrays())
renmas.shapes.visible_asm(runtime, "visible", "scene_isect")
renmas.core.generate_shade(runtime, "shade", "visible")
ren.get_film().add_sample_asm(runtime, "add_sample")
asm = renmas.utils.get_asm()
mc = asm.assemble(ASM)
ds = runtime.load("path_tracer", mc)
def build_runtime():
runtime = Runtime()
sam = renmas.samplers.RandomSampler(800, 800, n=200000, pixel=0.8)
sam.get_sample_asm(runtime, "get_sample")
; eax = pointer_to_ray, ebx = pointer_to_hitpoint
mov eax, r1
mov ebx, hp
call scene_isect
mov dword [hit], eax
jmp pocetak
_end_sampling:
mov dword [end_sam], 0
#END
"""
build_scene()
sampler = ren.get_sampler()
sampler.tile(0, 0, WIDTH, HEIGHT)
camera = ren.get_camera()
def get_runtime():
runtime = Runtime()
sampler.get_sample_asm(runtime, "get_sample")
camera.ray_asm(runtime, "generate_ray")
dyn_arrays = ren.dyn_arrays()
renmas.shapes.linear_isect_asm(runtime, "scene_isect", dyn_arrays)
return runtime
runtime = get_runtime()
asm = renmas.utils.get_asm()
mc = asm.assemble(ASM)
def raycast():
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
lst_lights = ren.lst_lights()
shapes = ren.isect_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
recursion_depth = 3
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
tile = next_tile()
if tile is None:
global image_saved
if not image_saved:
save_image(film, "Image5.png")
print("Slika je spremljena")
image_saved = True
return None
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
start = time.clock()
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
hp = isect(ray, shapes, 999999.0)
if hp is None:
hp2.spectrum = background
film.add_sample(sample, hp2) #background
continue
Ld1, Brdf1 = calc_brdf(hp, ray)
hp = isect(ray, shapes, 999999.0)
if hp is None:
hp2.spectrum = Ld1
film.add_sample(sample, hp2)
continue
Ld2, Brdf2 = calc_brdf(hp, ray)
hp = isect(ray, shapes, 999999.0)
if hp is None:
hp2.spectrum = Ld1 + Ld2.mix_spectrum(Brdf1)
film.add_sample(sample, hp2)
continue
Ld3, Brdf3 = calc_brdf(hp, ray)
spectrum = Ld3.mix_spectrum(Brdf2) + Ld2
spectrum = spectrum.mix_spectrum(Brdf1) + Ld1
hp.spectrum = spectrum
film.add_sample(sample, hp)
blt_float_img_to_window(0, 0, film.image, win)
end = time.clock()
global duration
duration = duration + (end - start)
print("Renderiranje jednog tile je trajalo", end - start, duration)
return True
ren.create_triangle((0.291, 0.000, 0.296), (0.291, 0.330, 0.296),
(0.133, 0.330, 0.247), idx)
ren.create_triangle((0.133, 0.330, 0.247), (0.133, 0.000, 0.247),
(0.291, 0.000, 0.296), idx)
build_scene()
isect = renmas.shapes.isect #intersection rutine
#ALGORIHM RayCast
background = renmas.core.Spectrum(0.05, 0.05, 0.05)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
lst_lights = ren.lst_lights()
shapes = ren.lst_shapes()
def get_runtime():
runtime = Runtime()
sampler.get_sample_asm(runtime, "get_sample")
camera.ray_asm(runtime, "generate_ray")
dyn_arrays = ren.dyn_arrays()
renmas.shapes.linear_isect_asm(runtime, "scene_isect", dyn_arrays)
return runtime
def path_tracer(tile):
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
shapes = ren.isect_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp3 = renmas.shapes.HitPoint()
hp2.spectrum = background
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
Lr = [] #reflection coefficient
Ld = [] #direct light
transmitance = 1.0
cur_depth = 0
max_depth = 4
#current implementation stop tracing path when we hit emitter
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
hp = isect(ray, shapes)
if hp is None:
film.add_sample(sample, hp2) #background
continue
hp.wo = ray.dir * -1.0
shade(hp)
kr = hp.brdf * (1.0 / hp.pdf) * hp.ndotwi
transmitance *= kr.r #FIXME take component that has maximum value
Lr.append(kr)
Ld.append(hp.spectrum)
cur_depth = 1
ray.dir = hp.wi #in wi is next direction
ray.origin = hp.hit_point
if hp.le.r > 0.01: #primiray ray hit emitter - stop path
hp.spectrum = hp.le
film.add_sample(sample, hp)
Lr = []
Ld = []
transmitance = 1.0
cur_depth = 0
continue
Le = renmas.core.Spectrum(0.00, 0.00, 0.00)
while True:
if cur_depth == max_depth: break
if transmitance < 0.0001: break
hp = isect(ray, shapes)
if hp is None: break
hp.wo = ray.dir * -1.0
shade(hp)
if hp.le.r > 0.0001:
#Le = hp.le
break #we hit emiter FIXME - we dont't have to stop think for better implementation !!!!
kr = hp.brdf * (1.0 / hp.pdf) * hp.ndotwi
Lr.append(kr)
Ld.append(hp.spectrum)
ray.dir = hp.wi #in wi is next direction
ray.origin = hp.hit_point
transmitance *= kr.r #FIXME take component that has maximum value
cur_depth += 1
tmp_spec = Le
for i in range(cur_depth):
brdf = Lr.pop()
ld = Ld.pop()
tmp_spec = tmp_spec.mix_spectrum(brdf) + ld
hp3.spectrum = tmp_spec
film.add_sample(sample, hp3)
Lr = []
Ld = []
transmitance = 1.0
cur_depth = 0
def raycast():
sampler = ren.get_sampler()
camera = ren.get_camera()
film = ren.get_film()
lst_lights = ren.lst_lights()
shapes = ren.isect_shapes()
isect = renmas.shapes.isect #intersection rutine
shade = renmas.core.shade
recursion_depth = 3
background = renmas.core.Spectrum(0.00, 0.00, 0.00)
hp2 = renmas.shapes.HitPoint()
hp2.spectrum = background
tile = next_tile()
if tile is None:
global image_saved
if not image_saved:
save_image(film, "Image5.png")
print("Slika je spremljena")
image_saved = True
return None
sample = renmas.samplers.Sample()
x, y, width, height = tile
sampler.tile(x, y, width, height)
start = time.clock()
while True:
sam = sampler.get_sample(sample)
if sam is None: break
ray = camera.ray(sample)
hp = isect(ray, shapes, 999999.0)
if hp is None:
hp2.spectrum = background
film.add_sample(sample, hp2) #background
continue
Ld1, Brdf1 = calc_brdf(hp, ray)
hp = isect(ray, shapes, 999999.0)
if hp is None:
hp2.spectrum = Ld1
film.add_sample(sample, hp2)
continue
Ld2, Brdf2 = calc_brdf(hp, ray)
hp = isect(ray, shapes, 999999.0)
if hp is None:
hp2.spectrum = Ld1 + Ld2.mix_spectrum(Brdf1)
film.add_sample(sample, hp2)
continue
Ld3, Brdf3 = calc_brdf(hp, ray)
spectrum = Ld3.mix_spectrum(Brdf2) + Ld2
spectrum = spectrum.mix_spectrum(Brdf1) + Ld1
hp.spectrum = spectrum
film.add_sample(sample, hp)
blt_float_img_to_window(0, 0, film.image, win)
end = time.clock()
global duration
duration = duration + (end - start)
print("Renderiranje jednog tile je trajalo", end - start, duration)
return True