def _get_texture_cubemap_from_mrt_scene_2_pass(cfg, samples=0):
group = ngl.Group()
quad = ngl.Quad((-1, -1, 0), (2, 0, 0), (0, 2, 0))
cube = ngl.TextureCube(size=64, min_filter="linear", mag_filter="linear")
layer_base = 0
for layer_count, fragment in ((2, _RENDER_TO_CUBEMAP_1_FRAG),
(4, _RENDER_TO_CUBEMAP_2_FRAG)):
program = ngl.Program(vertex=_RENDER_TO_CUBEMAP_VERT,
fragment=fragment,
nb_frag_output=layer_count)
program.update_vert_out_vars(var_uvcoord=ngl.IOVec3())
render = ngl.Render(quad, program)
color_textures = [
ngl.TextureView(cube, layer)
for layer in range(layer_base, layer_base + layer_count)
]
rtt = ngl.RenderToTexture(render, color_textures, samples=samples)
group.add_children(rtt)
layer_base += layer_count
program = ngl.Program(vertex=_RENDER_CUBEMAP_VERT,
fragment=_RENDER_CUBEMAP_FRAG)
program.update_vert_out_vars(var_uvcoord=ngl.IOVec3())
render = ngl.Render(quad, program)
render.update_frag_resources(tex0=cube)
group.add_children(render)
return group
def _get_texture_cubemap_from_mrt_scene(cfg, samples=0):
program = ngl.Program(vertex=_RENDER_TO_CUBEMAP_VERT,
fragment=_RENDER_TO_CUBEMAP_FRAG,
nb_frag_output=6)
program.update_vert_out_vars(var_uvcoord=ngl.IOVec3())
quad = ngl.Quad((-1, -1, 0), (2, 0, 0), (0, 2, 0))
render = ngl.Render(quad, program)
cube = ngl.TextureCube(size=64, min_filter="linear", mag_filter="linear")
rtt = ngl.RenderToTexture(render, [cube], samples=samples)
program = ngl.Program(vertex=_RENDER_CUBEMAP_VERT,
fragment=_RENDER_CUBEMAP_FRAG)
program.update_vert_out_vars(var_uvcoord=ngl.IOVec3())
render = ngl.Render(quad, program)
render.update_frag_resources(tex0=cube)
return ngl.Group(children=(rtt, render))
def texture_cubemap(cfg):
n = 64
p = n * n
cb_data = array.array('B', (255, 0, 0, 255) * p + (0, 255, 0, 255) * p +
(0, 0, 255, 255) * p + (255, 255, 0, 255) * p +
(0, 255, 255, 255) * p + (255, 0, 255, 255) * p)
cb_buffer = ngl.BufferUBVec4(data=cb_data)
cube = ngl.TextureCube(size=n,
min_filter="linear",
mag_filter="linear",
data_src=cb_buffer)
program = ngl.Program(vertex=_RENDER_CUBEMAP_VERT,
fragment=_RENDER_CUBEMAP_FRAG)
program.update_vert_out_vars(var_uvcoord=ngl.IOVec3())
quad = ngl.Quad((-1, -1, 0), (2, 0, 0), (0, 2, 0))
render = ngl.Render(quad, program)
render.update_frag_resources(tex0=cube)
return render
def _get_texture_cubemap_from_mrt_scene(cfg, samples=0):
glsl_version = '300 es' if cfg.backend == 'gles' else '330'
glsl_header = '#version %s\n' % glsl_version
render_to_cubemap_vert = glsl_header + _RENDER_TO_CUBEMAP_VERT
render_to_cubemap_frag = glsl_header + _RENDER_TO_CUBEMAP_FRAG
program = ngl.Program(vertex=render_to_cubemap_vert,
fragment=render_to_cubemap_frag)
quad = ngl.Quad((-1, -1, 0), (2, 0, 0), (0, 2, 0))
render = ngl.Render(quad, program)
cube = ngl.TextureCube(size=64, min_filter="linear", mag_filter="linear")
rtt = ngl.RenderToTexture(render, [cube], samples=samples)
render_cubemap_vert = glsl_header + _RENDER_CUBEMAP_VERT
render_cubemap_frag = glsl_header + _RENDER_CUBEMAP_FRAG
program = ngl.Program(vertex=render_cubemap_vert,
fragment=render_cubemap_frag)
render = ngl.Render(quad, program)
render.update_textures(tex0=cube)
return ngl.Group(children=(rtt, render))
def texture_cubemap(cfg):
n = 64
p = n * n
cb_data = array.array('B', (255, 0, 0, 255) * p + (0, 255, 0, 255) * p +
(0, 0, 255, 255) * p + (255, 255, 0, 255) * p +
(0, 255, 255, 255) * p + (255, 0, 255, 255) * p)
cb_buffer = ngl.BufferUBVec4(data=cb_data)
cube = ngl.TextureCube(size=n,
min_filter="linear",
mag_filter="linear",
data_src=cb_buffer)
glsl_version = '300 es' if cfg.backend == 'gles' else '330'
glsl_header = '#version %s\n' % glsl_version
render_cubemap_vert = glsl_header + _RENDER_CUBEMAP_VERT
render_cubemap_frag = glsl_header + _RENDER_CUBEMAP_FRAG
program = ngl.Program(vertex=render_cubemap_vert,
fragment=render_cubemap_frag)
quad = ngl.Quad((-1, -1, 0), (2, 0, 0), (0, 2, 0))
render = ngl.Render(quad, program)
render.update_textures(tex0=cube)
return render
