def on_draw():
# render passes
pos = glm.vec3(math.cos(time.time()*2)*3, 1, 3)
camera360 = Camera360(transform=glm.translate(glm.mat4(1), pos),
near=1,
far=10)
cubedepth_map = cubedepth_pass.render(scene.find_meshes(), camera360)
# render passes to screen
glDisable(GL_DEPTH_TEST)
# imdraw.texture(depth_map, (0, 0, viewer.width, viewer.height), shuffle=(0,0,0,-1))
imdraw.cubemap(cubedepth_map, (0,0,viewer.width, viewer.height), viewer.camera.projection, viewer.camera.view)
def on_draw():
# render passes
camera360 = Camera360(transform=glm.mat4(1), near=0.1, far=10)
environment_cubemap = environment_pass.render(environment_texture,
camera360)
# render passes to screen
glEnable(GL_DEPTH_TEST)
glDisable(GL_CULL_FACE)
imdraw.texture(environment_texture, (0, 0, 190, 190))
imdraw.cubemap(environment_cubemap,
(0, 0, viewer.width, viewer.height),
viewer.camera.projection, viewer.camera.view)
def on_draw():
# geometry ass
gBuffer = geometry_pass.render(scene.find_meshes(), viewer.camera)
# shadows pass
for light in scene.find_lights():
light.shadowmap.render(scene.find_meshes(), light.camera)
# lighting pass
hdr_texture = lighting_pass.render(viewer.camera.position,
scene.find_lights(), gBuffer,
irradiance_cubemap,
prefilter_cubemap, brdf_texture)
# Debug
# -----
glDisable(GL_DEPTH_TEST)
glDisable(GL_CULL_FACE)
# debug beauty
imdraw.texture(hdr_texture, (0, 0, viewer.width, viewer.height),
shuffle=(0, 1, 2, -1))
# debug shadows
for i, light in enumerate(scene.find_lights()):
if isinstance(light, PointLight):
imdraw.cubemap(light.shadowmap.texture, (i * 100, 200, 90, 90),
viewer.camera.projection,
viewer.camera.view,
shuffle=(0, 0, 0, -1))
elif isinstance(light, (SpotLight, DirectionalLight)):
imdraw.texture(light.shadowmap.texture, (i * 100, 200, 90, 90),
shuffle=(0, 0, 0, -1))
# debug gBuffer
gPosition, gNormal, gAlbedo, gEmissive, gRoughness, gMetallic = gBuffer
imdraw.texture(gPosition, (0, 0, 90, 90), shuffle=(0, 1, 2, -1))
imdraw.texture(gNormal, (100, 0, 90, 90), shuffle=(0, 1, 2, -1))
imdraw.texture(gAlbedo, (200, 0, 90, 90), shuffle=(0, 1, 2, -1))
imdraw.texture(gEmissive, (300, 0, 90, 90))
imdraw.texture(gRoughness, (400, 0, 90, 90), shuffle=(0, 0, 0, -1))
imdraw.texture(gMetallic, (500, 0, 90, 90), shuffle=(0, 0, 0, -1))
# debug IBL
imdraw.texture(environment_texture, (0, 100, 90, 90))
imdraw.cubemap(environment_cubemap, (100, 100, 90, 90),
viewer.camera.projection, viewer.camera.view)
imdraw.cubemap(irradiance_cubemap, (200, 100, 90, 90),
viewer.camera.projection, viewer.camera.view)
imdraw.cubemap(prefilter_cubemap, (300, 100, 90, 90),
viewer.camera.projection, viewer.camera.view)
imdraw.texture(brdf_texture, (400, 100, 90, 90))
def on_draw():
global environment_texture, environment_cubemap, irradiance_cubemap, prefilter_cubemap, brdf_texture
# render passes to screen
glEnable(GL_DEPTH_TEST)
glDisable(GL_CULL_FACE)
imdraw.cubemap(prefilter_cubemap, (0, 0, viewer.width, viewer.height),
viewer.camera.projection, viewer.camera.view)
imdraw.texture(environment_texture, (0, 0, 190, 190))
imdraw.cubemap(environment_cubemap, (200, 0, 190, 190),
viewer.camera.projection, viewer.camera.view)
imdraw.cubemap(irradiance_cubemap, (400, 0, 190, 190),
viewer.camera.projection, viewer.camera.view)
imdraw.cubemap(prefilter_cubemap, (600, 0, 190, 190),
viewer.camera.projection, viewer.camera.view)
imdraw.texture(brdf_texture, (800, 0, 190, 190))
def on_draw():
# PREPROCESS
# - render each shadowmap:
for light in scene.lights():
light.shadowmap.render(scene.meshes(), light.camera)
# DEFERRED
# - render geometry pass
gBuffer = geometry_pass.render(scene.meshes(), viewer.camera)
# - render pbr lighting
iblBuffer = irradiance_cubemap, prefilter_cubemap, brdfLUT
hdr_image = lighting_pass.render(gBuffer, environment_cubemap,
iblBuffer, viewer.camera,
scene.lights())
# FORWARD
# - copy fbo depth and color
# skybox_pass.copy_buffer_from(geometry_pass, GL_DEPTH_BUFFER_BIT)
# skybox_pass.copy_buffer_from(lighting_pass, GL_COLOR_BUFFER_BIT)
# - render skybox
# skybox_texture = skybox_pass.render(environment_cubemap, viewer.camera)
# POST PROCESS
highlights_texture = clamp_pass.render(hdr_image,
minimum=15.0,
maximum=999)
# return ldr_texture
bloom_texture = gaussianblur_pass.render(highlights_texture,
iterations=8)
# return blurred_highlights_texture
with_bloom_texture = add_pass.render(hdr_image, bloom_texture)
ldr_texture = tonemapping_pass.render(with_bloom_texture,
exposure=0.0,
gamma=2.2)
# DEBUG
glDisable(GL_DEPTH_TEST)
imdraw.texture(ldr_texture, (0, 0, viewer.width, viewer.height))
# - debug postprocessing
imdraw.texture(hdr_image, (0, 300, 90, 90))
imdraw.texture(highlights_texture, (100, 300, 90, 90))
imdraw.texture(bloom_texture, (200, 300, 90, 90))
imdraw.texture(with_bloom_texture, (300, 300, 90, 90))
# - debug gBuffer
gPosition, gNormal, gDepth, gObjectId, gAlbedo, gEmissive, gRoughness, gMetallic = gBuffer
imdraw.texture(gPosition, (0, 0, 90, 90), shuffle=(0, 1, 2, -1))
imdraw.texture(gNormal, (100, 0, 90, 90), shuffle=(0, 1, 2, -1))
imdraw.texture(gDepth, (200, 0, 90, 90), shuffle=(0, 0, 0, -1))
imdraw.texture(gObjectId, (300, 0, 90, 90), shuffle=(0, 1, 2, -1))
imdraw.texture(gAlbedo, (400, 0, 90, 90), shuffle=(0, 1, 2, -1))
imdraw.texture(gEmissive, (500, 0, 90, 90))
imdraw.texture(gRoughness, (600, 0, 90, 90), shuffle=(0, 0, 0, -1))
imdraw.texture(gMetallic, (700, 0, 90, 90), shuffle=(0, 0, 0, -1))
# - debug IBL
imdraw.texture(environment_texture, (0, 100, 90, 90))
imdraw.cubemap(environment_cubemap, (100, 100, 90, 90),
viewer.camera.projection, viewer.camera.view)
imdraw.cubemap(irradiance_cubemap, (200, 100, 90, 90),
viewer.camera.projection, viewer.camera.view)
imdraw.cubemap(prefilter_cubemap, (300, 100, 90, 90),
viewer.camera.projection, viewer.camera.view)
imdraw.texture(brdfLUT, (400, 100, 90, 90))