def draw(self):
# Draw
# ----
beauty = self.renderer.render(self.scene, self.camera)
imdraw.texture(beauty, (0, 0, self.width, self.height))
imdraw.axis(self.camera.projection, self.camera.view)
def on_draw():
# render passes
depth_map = depth_pass.render(scene.find_meshes(), viewer.camera)
# render passes to screen
glDisable(GL_DEPTH_TEST)
imdraw.texture(depth_map, (0, 0, viewer.width, viewer.height),
shuffle=(0, 0, 0, -1))
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():
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():
glDisable(GL_DEPTH_TEST)
imdraw.texture(tex, (0, 0, viewer.width // 2, viewer.height))
blurred = blurpass.render(tex, iterations=16)
imdraw.texture(
blurred, (viewer.width // 2, 0, viewer.width // 2, viewer.height))
program.set_uniform(ssao_program, 'projection',
window.projection_matrix)
program.set_uniform(
ssao_program, 'viewProjectionMatrix',
window.projection_matrix * window.view_matrix)
glActiveTexture(GL_TEXTURE0 + 0)
glBindTexture(GL_TEXTURE_2D, gPosition)
glActiveTexture(GL_TEXTURE0 + 1)
glBindTexture(GL_TEXTURE_2D, gNormal)
glActiveTexture(GL_TEXTURE0 + 2)
glBindTexture(GL_TEXTURE_2D, noise_texture)
program.set_uniform(ssao_program, 'gPosition', 0)
program.set_uniform(ssao_program, 'gNormal', 1)
program.set_uniform(ssao_program, 'texNoise', 2)
imdraw.quad(ssao_program)
# with fbo.bind(ssao_blur_fbo):
# with program.use(ssao_blur_program):
# glActiveTexture(GL_TEXTURE0+0)
# glBindTexture(GL_TEXTURE_2D, ssao_tex)
# program.set_uniform(ssao_blur_program, 'ssaoInput', 0)
# imdraw.quad(ssao_blur_program)
imdraw.texture(ssao_tex, (0, 0, window.width, window.height),
shuffle=(0, 0, 0, -1))
window.swap_buffers()
GLFWViewer.poll_events()
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))
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():
imdraw.texture(texA, (0, 0, 200, 200))
imdraw.texture(texB, (200, 0, 200, 200))
added = addpass.render(texA, texB)
imdraw.texture(added, (400, 0, 500, 500))
def on_draw(): imdraw.texture(texA, (0,0,200,200)) added = clamppass.render(texA, 0.5, 1.0) imdraw.texture(added, (400,0,500,500))
# Render scene to gBuffer
# ==============
with fbo.bind(gBuffer):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# glCullFace(GL_BACK)
with program.use(gbuffer_program):
program.set_uniform(gbuffer_program, 'material.albedo',
(0.5, 0, 0))
program.set_uniform(gbuffer_program, 'material.roughness', 0.1)
program.set_uniform(gbuffer_program, 'projectionMatrix',
window.projection_matrix)
program.set_uniform(gbuffer_program, 'viewMatrix',
window.view_matrix)
draw_scene(gbuffer_program, window.projection_matrix,
window.view_matrix)
# Debug
# -----------------------------------------
imdraw.texture(shadow_tex, (0, 0, 100, 100), shuffle=(0, 0, 0, -1))
imdraw.texture(hdr_color_buffers[0], (100, 0, 100, 100))
imdraw.texture(pingpong_buffer[0], (200, 0, 100, 100))
imdraw.texture(gPosition, (300, 0, 100, 100))
imdraw.texture(gNormal, (400, 0, 100, 100))
imdraw.texture(gAlbedoSpec, (500, 0, 100, 100), shuffle=(0, 1, 2, -1))
imdraw.texture(gAlbedoSpec, (600, 0, 100, 100), shuffle=(3, 3, 3, -1))
# swap buffers
window.swap_buffers()
GLFWViewer.poll_events()
def setup():
beauty = renderer.render(scene, window.camera)
imdraw.texture(beauty, (0, 0, window.width, window.height))
def on_draw():
imdraw.texture(tex, (0,0,viewer.width//2,viewer.height))
toned = tonepass.render(tex, exposure=2.0, gamma=1/2.2)
imdraw.texture(toned, (viewer.width//2,0,viewer.width//2, viewer.height))
def on_draw():
beauty = renderer.render(scene, viewer.camera)
imdraw.texture(beauty, (0, 0, 1280, 720))
def on_draw():
# render passes
gBuffer = geometry_pass.render(scene.find_meshes(), viewer.camera)
gPosition, gNormal, gAlbedo, gEmission, gRoughness, gMetallic = gBuffer
# render passes to screen
glDisable(GL_DEPTH_TEST)
glDisable(GL_CULL_FACE)
# glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glClearColor(0.5,0.5,0.5,0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
checkerboard_program = puregl.program.create(
"""#version 330 core
layout (location=0) in vec3 position;
layout (location=1) in vec2 uv;
out vec2 TexCoords;
void main(){
TexCoords = uv;
gl_Position = vec4(position,1.0);
}
""",
"""#version 330 core
in vec2 TexCoords;
out vec4 FragColor;
uniform float size;
uniform vec2 viewportSize;
float checker(vec2 uv, vec2 repeats){
float cx = floor(repeats.x * uv.x);
float cy = floor(repeats.y * uv.y);
float result = mod(cx + cy, 2.0);
return sign(result);
}
void main(){
vec4 colorA = vec4(0.6,0.6,0.6,0.5);
vec4 colorB = vec4(0.4,0.4,0.4,0.5);
FragColor = mix(colorA, colorB, checker(TexCoords, viewportSize/size));
}
""")
with puregl.program.use(checkerboard_program):
puregl.program.set_uniform(checkerboard_program, "viewportSize", (viewer.width, viewer.height))
puregl.program.set_uniform(checkerboard_program, "size", 8.0)
imdraw.quad(checkerboard_program)
imdraw.texture(gPosition, (20, 20, viewer.width-40, viewer.height-40), shuffle=(0, 1, 2, 3))
#
imdraw.texture(gPosition, (0,0,190, 190), shuffle=(0,1,2,3))
imdraw.texture(gNormal, (200,0,190, 190), shuffle=(0,1,2,-1))
imdraw.texture(gAlbedo, (400,0,190, 190), shuffle=(0,1,2,-1))
imdraw.texture(gEmission, (600,0,190, 190))
imdraw.texture(gRoughness, (800,0,190, 190), shuffle=(0,0,0,-1))
imdraw.texture(gMetallic, (1000,0,190, 190), shuffle=(0,0,0,-1))
imdraw.texture(geometry_pass.gDepth, ( 0, 200, 190, 190), shuffle=(0, 0, 0, -1))
