def test_simple_camera():
camera = glnext.camera((4.0, 3.0, 2.0), (0.0, 0.0, 0.0), fov=60.0)
assert type(camera) is bytes
assert len(camera) == 64
array = np.ndarray((4, 4), 'f4', camera)
expected = [
[-1.0392, -0.5146, -0.7428, -0.7427],
[1.3856, -0.3859, -0.5571, -0.5570],
[0.0000, 1.6081, -0.3714, -0.3713],
[0.0000, 0.0000, 5.2856, 5.3851],
]
np.testing.assert_array_almost_equal(array, expected, decimal=2)
def test_ortho_camera():
camera = glnext.camera((4.0, 3.0, 2.0), (0.0, 0.0, 0.0), fov=0.0)
assert type(camera) is bytes
assert len(camera) == 64
array = np.ndarray((4, 4), 'f4', camera)
expected = [
[-0.6000, -0.2971, -0.0007, 0.0000],
[0.8000, -0.2228, -0.0005, 0.0000],
[0.0000, 0.9284, -0.0003, 0.0000],
[0.0000, 0.0000, 0.0052, 1.0000],
]
np.testing.assert_array_almost_equal(array, expected, decimal=2)
'''),
vertex_format='3f',
vertex_count=vertex_count,
bindings=[
{
'binding': 0,
'name': 'uniform_buffer',
'type': 'uniform_buffer',
'size': 64,
},
],
)
framebuffer.update(
clear_values=glnext.pack([1.0, 0.0, 0.0, 0.0]),
clear_depth=1.0,
)
pipeline.update(
uniform_buffer=glnext.camera((4.0, 3.0, 2.0), (0.0, 0.0, 0.0),
near=1.0,
far=7.0),
vertex_buffer=mesh,
)
task.run()
data = framebuffer.output[0].read()
array = np.ndarray((512, 512), 'f4', data)[::-1]
plt.imshow(array, 'YlGnBu', vmin=0.8, vmax=1.0)
plt.show()
layout (location = 0) out vec4 out_color;
void main() {
vec3 color = vec3(1.0, 1.0, 1.0);
vec3 sight = -vec3(mvp[0].w, mvp[1].w, mvp[2].w);
float lum = dot(normalize(sight), normalize(in_norm)) * 0.7 + 0.3;
out_color = vec4(lum, lum, lum, 1.0);
}
'''),
vertex_format='3f 3f',
vertex_count=36,
bindings=[
{
'binding': 0,
'type': 'uniform_buffer',
'buffer': uniform_buffer,
},
],
)
uniform_buffer.write(glnext.camera((4.0, 3.0, 2.0), (0.0, 0.0, 0.0)))
pipeline.update(
vertex_buffer=Obj.open('examples/cube.obj').pack('vx vy vz nx ny nz'),
)
task.run()
data = framebuffer.output[0].read()
Image.frombuffer('RGBA', (512, 512), data, 'raw', 'RGBA', 0, -1).show()
0.5,
0.5,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
]), )
pipeline.update(
uniform_buffer=glnext.camera((0.0, 0.0, 100.0), (0.0, 0.0, 0.0),
(0.0, 1.0, 0.0),
fov=4.0),
vertex_buffer=vertex_data,
index_buffer=index_data,
instance_buffer=instance_data,
)
def image(output):
data = framebuffer.output[output].read()
return Image.frombuffer('RGBX', (512, 512), data, 'raw', 'RGBX', 0,
-1).convert('RGB')
task.run()
image(0).show()
layout (location = 0) in vec3 in_norm;
layout (location = 0) out vec4 out_color;
void main() {
vec3 light = vec3(4.0, 3.0, 10.0);
float lum = dot(normalize(light), normalize(in_norm)) * 0.7 + 0.3;
out_color = vec4(lum, lum, lum, 1.0);
}
'''),
vertex_format='3f 3f',
vertex_count=vertex_count,
bindings=[
{
'binding': 0,
'name': 'uniform_buffer',
'type': 'uniform_buffer',
'size': 64,
},
],
)
pipeline.update(
uniform_buffer=glnext.camera((4.0, 3.0, 2.0), (0.0, 0.0, 0.0)),
vertex_buffer=mesh,
)
task.run()
data = framebuffer.output[0].read()
Image.frombuffer('RGBA', (512, 512), data, 'raw', 'RGBA', 0, -1).show()
layout (location = 0) out vec4 out_color;
void main() {
out_color = vec4(0.0, 0.0, 0.0, 1.0);
}
'''),
vertex_format='3f',
vertex_count=len(vertex_data) // 12,
index_count=len(index_data) // 4,
topology='line_strip',
bindings=[
{
'binding': 0,
'name': 'uniform_buffer',
'type': 'uniform_buffer',
'size': 64,
},
],
)
pipeline.update(
uniform_buffer=glnext.camera((2.0, 2.0, 1.0), (0.0, 0.0, 0.0), fov=45.0, aspect=16 / 9),
vertex_buffer=vertex_data,
index_buffer=index_data,
)
task.run()
data = framebuffer.output[0].read()
Image.frombuffer('RGBA', (1280, 720), data, 'raw', 'RGBA', 0, -1).show()
'type':
'sampled_image',
'images': [{
'image': triangle_framebuffer.output[0],
'sampler': {
'min_filter': 'linear',
'mag_filter': 'linear',
'mipmap_filter': 'linear',
},
}],
},
],
)
pipeline.update(
uniform_buffer=glnext.camera((1.0, 1.0, 1.0), (2.0, 2.0, 1.0)),
vertex_buffer=glnext.pack([
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
100.0,
0.0,
0.0,
20.0,
100.0,
0.0,
0.0,
20.0,
{
'binding': 0,
'type': 'uniform_buffer',
'buffer': uniform_buffer,
},
{
'binding': 1,
'type': 'sampled_image',
'images': [{
'image': shadow_fbo.output[0],
'sampler': {},
}]
},
],
)
uniform_buffer.write(b''.join([
glnext.camera((4.0, 3.0, 2.0), (0.0, 0.0, 0.0)),
glnext.camera((4.0, 3.0, 12.0), (0.0, 0.0, 0.0),
fov=0.0,
size=3.0,
near=1.0,
far=16.0),
glnext.pack([4.0, 3.0, 2.0, 0.0]),
glnext.pack([4.0, 3.0, 12.0, 0.0]),
]))
task.run()
data = framebuffer.output[0].read()
Image.frombuffer('RGBA', (512, 512), data, 'raw', 'RGBA', 0, -1).show()
vertex_format='3h 3h',
instance_format='3f 4f 3f',
vertex_buffer=bytes.fromhex(shapes['data']),
indirect_count=len(objects),
instance_count=len(objects),
buffers=[
{
'name': 'uniform_buffer',
'type': 'uniform_buffer',
'binding': 0,
'size': 64,
}
]
)
render['uniform_buffer'].write(glnext.camera((4, 3, 2), (0, 0, 0)))
instance_buffer = []
indirect_buffer = []
for i, obj in enumerate(objects):
instance_buffer += [*obj['position'], *obj['rotation'], *obj['size']]
indirect_buffer += [shapes['shapes'][obj['shape']]['count'], 1, shapes['shapes'][obj['shape']]['offset'], i]
render['instance_buffer'].write(glnext.pack(instance_buffer))
render['indirect_buffer'].write(glnext.pack(indirect_buffer))
instance.run()
Image.frombuffer('RGBA', (512, 512), fbo.output[0].read(), 'raw', 'RGBA', 0, -1).show()
