Computing Probe to Probe Transmission
References ▼
GitHub
HandmadeHero /​ cpp /​ Linux Problems
[1]1:24:45[2]1:29:47
The Grand C++ Error Explosion Competition
Results of the Grand C++ Error Explosion Competition
[3]1:38:37
Jonathan Blow (YouTube)
Compiler Demo: Macros and Iteration
[4]1:40:08
Wikipedia
Integer overflow
[5]1:53:55
Twitter
Handmade Hero
[6]1:59:11
Filter mode:
Topics
Media
language
lighting
memory
performance
threading
(null topic)
🗹Administrivia
🖌Blackboard
🗪Chat Comment
🏃In-Game
🖮Programming🟉
📖Research
🗩Speech
🎭
🏟
🔗
Link to: current timestamp
Credits
Host
Casey Muratori
Indexer
Matt Mascarenhas
?
?

Keyboard Navigation

Global Keys

[, < / ], > Jump to previous / next episode
W, K, P / S, J, N Jump to previous / next timestamp
t / T Toggle theatre / SUPERtheatre mode
V Revert filter to original state Y Select link (requires manual Ctrl-c)

Menu toggling

q Quotes r References f Filter y Link c Credits

In-Menu and Index Controls

a
w
s
d
h j k l
←
↑
↓
→

Esc Close menu / unfocus timestamp

Quotes and References Menus and Index

Enter Jump to timestamp

Quotes, References and Credits Menus

o Open URL (in new tab)

Filter Menu

x, Space Toggle category and focus next
X, ShiftSpace Toggle category and focus previous
v Invert topics / media as per focus

Filter and Link Menus

z Toggle filter / linking mode

Credits Menu

Enter Open URL (in new tab)
0:00Recap and set the stage for the day
🗩
0:00Recap and set the stage for the day
🗩
0:00Recap and set the stage for the day
🗩
1:53Walk through the current state of our light probe implementation
📖
1:53Walk through the current state of our light probe implementation
📖
1:53Walk through the current state of our light probe implementation
📖
8:45Determine to perform probe to probe transmission
🗩
8:45Determine to perform probe to probe transmission
🗩
8:45Determine to perform probe to probe transmission
🗩
11:14Switch ComputeLightPropagation() over from geometry-locked to probe-to-probe lighting propagation, with an eye on threading this routine
11:14Switch ComputeLightPropagation() over from geometry-locked to probe-to-probe lighting propagation, with an eye on threading this routine
11:14Switch ComputeLightPropagation() over from geometry-locked to probe-to-probe lighting propagation, with an eye on threading this routine
31:40Note the expense of ray casting and transference
🗩
31:40Note the expense of ray casting and transference
🗩
31:40Note the expense of ray casting and transference
🗩
33:06Implement probe-to-probe transference in ComputeLightPropagation(), initially in scalar
33:06Implement probe-to-probe transference in ComputeLightPropagation(), initially in scalar
33:06Implement probe-to-probe transference in ComputeLightPropagation(), initially in scalar
57:52Fix compile errors
57:52Fix compile errors
57:52Fix compile errors
1:05:28Consider how to store the AccumulatedPPS in lighting_solution, in a cache-friendly way
📖
1:05:28Consider how to store the AccumulatedPPS in lighting_solution, in a cache-friendly way
📖
1:05:28Consider how to store the AccumulatedPPS in lighting_solution, in a cache-friendly way
📖
1:08:46Enable InitLighting() to reserve six times the space for each AccumulatedPPS
1:08:46Enable InitLighting() to reserve six times the space for each AccumulatedPPS
1:08:46Enable InitLighting() to reserve six times the space for each AccumulatedPPS
1:09:52Find that the game runs
🏃
1:09:52Find that the game runs
🏃
1:09:52Find that the game runs
🏃
1:10:41Delete stale data from lighting_solution
1:10:41Delete stale data from lighting_solution
1:10:41Delete stale data from lighting_solution
1:11:50Consider storing light boxes in a free-list
🗩
1:11:50Consider storing light boxes in a free-list
🗩
1:11:50Consider storing light boxes in a free-list
🗩
1:17:59Consider storing the light probes stably
🗩
1:17:59Consider storing the light probes stably
🗩
1:17:59Consider storing the light probes stably
🗩
1:18:42Augment raycast_result with an Emission for RayCast() and ComputeLightPropagation() to use
1:18:42Augment raycast_result with an Emission for RayCast() and ComputeLightPropagation() to use
1:18:42Augment raycast_result with an Emission for RayCast() and ComputeLightPropagation() to use
1:22:49Continue to delete stale data from lighting_solution
1:22:49Continue to delete stale data from lighting_solution
1:22:49Continue to delete stale data from lighting_solution
1:24:01Find that the game runs
🏃
1:24:01Find that the game runs
🏃
1:24:01Find that the game runs
🏃
1:24:36Q&A
🗩
1:24:36Q&A
🗩
1:24:36Q&A
🗩
1:24:45Rename some struct members to satisfy the C++ standard1
1:24:45Rename some struct members to satisfy the C++ standard1
1:24:45Rename some struct members to satisfy the C++ standard1
1:29:47Close the "Linux Problems" issue2
🗹
1:29:47Close the "Linux Problems" issue2
🗹
1:29:47Close the "Linux Problems" issue2
🗹
1:30:15zufaelligertyp Let me guess, this is about undefined behaviour?
🗪
1:30:15zufaelligertyp Let me guess, this is about undefined behaviour?
🗪
1:30:15zufaelligertyp Let me guess, this is about undefined behaviour?
🗪
1:33:39genos3 Q: How do you know if you wrote undefined behaviour code?
🗪
1:33:39genos3 Q: How do you know if you wrote undefined behaviour code?
🗪
1:33:39genos3 Q: How do you know if you wrote undefined behaviour code?
🗪
1:35:16uplinkcoder Q: There is Clang's ub sanitizer
🗪
1:35:16uplinkcoder Q: There is Clang's ub sanitizer
🗪
1:35:16uplinkcoder Q: There is Clang's ub sanitizer
🗪
1:37:15vaualbus Q: Which is the weirdest macro you had to make for some application? Have you ever gone to macro madness?
🗪
1:37:15vaualbus Q: Which is the weirdest macro you had to make for some application? Have you ever gone to macro madness?
🗪
1:37:15vaualbus Q: Which is the weirdest macro you had to make for some application? Have you ever gone to macro madness?
🗪
1:38:03xrxr13579 Q: What's the full screen purple flash that happens in your editor sometimes?
🗪
1:38:03xrxr13579 Q: What's the full screen purple flash that happens in your editor sometimes?
🗪
1:38:03xrxr13579 Q: What's the full screen purple flash that happens in your editor sometimes?
🗪
1:38:37illumi25 Q: Have you seen "The Grand C++ Error Explosion Competition"?3
🗪
1:38:37illumi25 Q: Have you seen "The Grand C++ Error Explosion Competition"?3
🗪
1:38:37illumi25 Q: Have you seen "The Grand C++ Error Explosion Competition"?3
🗪
1:39:15tiswoody Q: Did you enjoy it?
🗪
1:39:15tiswoody Q: Did you enjoy it?
🗪
1:39:15tiswoody Q: Did you enjoy it?
🗪
1:40:08tiswoody Q: Did you enjoy Jon's macro video4
🗪
1:40:08tiswoody Q: Did you enjoy Jon's macro video4
🗪
1:40:08tiswoody Q: Did you enjoy Jon's macro video4
🗪
1:40:27pragmascrypt Q: Imagine a light probe that has no direct visibility to a red wall but it could reach it via one indirect bounce. I don't think the light probe will ever get any red contribution from that wall no matter how long you iterate, unless you cast secondary rays from surfaces
🗪
1:40:27pragmascrypt Q: Imagine a light probe that has no direct visibility to a red wall but it could reach it via one indirect bounce. I don't think the light probe will ever get any red contribution from that wall no matter how long you iterate, unless you cast secondary rays from surfaces
🗪
1:40:27pragmascrypt Q: Imagine a light probe that has no direct visibility to a red wall but it could reach it via one indirect bounce. I don't think the light probe will ever get any red contribution from that wall no matter how long you iterate, unless you cast secondary rays from surfaces
🗪
1:41:06Secondary Bounces
🖌
1:41:06Secondary Bounces
🖌
1:41:06Secondary Bounces
🖌
1:50:09pragmascrypt Q: Yes
🗪
1:50:09pragmascrypt Q: Yes
🗪
1:50:09pragmascrypt Q: Yes
🗪
1:53:55xrxr13579 I just checked Wikipedia,5 and apparently signed overflows are still undefined behaviour
🗪
1:53:55xrxr13579 I just checked Wikipedia,5 and apparently signed overflows are still undefined behaviour
🗪
1:53:55xrxr13579 I just checked Wikipedia,5 and apparently signed overflows are still undefined behaviour
🗪
1:56:50Thank you, everyone
🗩
1:56:50Thank you, everyone
🗩
1:56:50Thank you, everyone
🗩
1:59:11Edit the schedule, adding an episode on 24th August 2019 at 12:00PM PDT6
🗹
1:59:11Edit the schedule, adding an episode on 24th August 2019 at 12:00PM PDT6
🗹
1:59:11Edit the schedule, adding an episode on 24th August 2019 at 12:00PM PDT6
🗹
2:01:38Until we next meet
🗩
2:01:38Until we next meet
🗩
2:01:38Until we next meet
🗩