Separating the Renderer Completely (Part 1) — Handmade Hero — Episode Guide

0:00“Welcome to Handmade Hero, the game where we code a complete show on stream”^α

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0:00“Welcome to Handmade Hero, the game where we code a complete show on stream”^α

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0:00“Welcome to Handmade Hero, the game where we code a complete show on stream”^α

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0:12Set up for the special two-stream day separating out and finalising the renderer for use in a new project

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0:12Set up for the special two-stream day separating out and finalising the renderer for use in a new project

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0:12Set up for the special two-stream day separating out and finalising the renderer for use in a new project

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4:44Determine to perform Snuffleupagus-Oriented Programming, creating our dream sample program to drive API development

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4:44Determine to perform Snuffleupagus-Oriented Programming, creating our dream sample program to drive API development

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4:44Determine to perform Snuffleupagus-Oriented Programming, creating our dream sample program to drive API development

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6:26Add a renderer test bed compilation line to build.bat

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6:26Add a renderer test bed compilation line to build.bat

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6:26Add a renderer test bed compilation line to build.bat

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8:34Create win32_renderer_test.cpp as a trimmed down version of Handmade Hero's Windows platform layer¹

19:43Create handmade_types.h, replacing global_variable with global

24:10Run the game just as normal

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24:10Run the game just as normal

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24:10Run the game just as normal

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24:18Set up new win32_renderer_test project

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24:18Set up new win32_renderer_test project

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24:18Set up new win32_renderer_test project

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27:51Run Handmade Hero Renderer Test to see nothing happen, as expected

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27:51Run Handmade Hero Renderer Test to see nothing happen, as expected

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27:51Run Handmade Hero Renderer Test to see nothing happen, as expected

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28:04Incorporate a trimmed down Win32ProcessPendingMessages() in to win32_renderer_test.cpp

29:22Run the Renderer Test and successfully resize and close the window

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29:22Run the Renderer Test and successfully resize and close the window

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29:22Run the Renderer Test and successfully resize and close the window

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29:36Create win32_handmade_opengl.cpp to consolidate all our OpenGL code

39:11Temporarily make win32_renderer_test.cpp use stdio.h string functions in place of the game's custom ones²

43:16Continue to consolidate our types and OpenGL code

48:18Include handmade_math.h and handmade_intrinsics.h in win32_renderer_test.cpp

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48:18Include handmade_math.h and handmade_intrinsics.h in win32_renderer_test.cpp

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48:18Include handmade_math.h and handmade_intrinsics.h in win32_renderer_test.cpp

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53:05Create handmade_software_renderer.cpp to contain all the software renderer code

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53:05Create handmade_software_renderer.cpp to contain all the software renderer code

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53:05Create handmade_software_renderer.cpp to contain all the software renderer code

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56:33Rename our render files in a more organised fashion

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56:33Rename our render files in a more organised fashion

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56:33Rename our render files in a more organised fashion

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58:36Merge handmade_render.{cpp,h} and handmade_render_group.{cpp,h} into handmade_renderer.{cpp,h}

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58:36Merge handmade_render.{cpp,h} and handmade_render_group.{cpp,h} into handmade_renderer.{cpp,h}

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58:36Merge handmade_render.{cpp,h} and handmade_render_group.{cpp,h} into handmade_renderer.{cpp,h}

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1:05:09Run the game okay

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1:05:09Run the game okay

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1:05:09Run the game okay

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1:05:26Pull out the parts of the renderer that are wedded to the platform layer

1:11:51Temporarily make win32_renderer_test.cpp use further stdio.h string functions in place of the game's custom ones³

1:16:39Consider cleaning up the lighting box data

1:21:52Return from OBS crash

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1:21:52Return from OBS crash

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1:21:52Return from OBS crash

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1:22:09Move the LightBoxes from game_render_commands to render_group and relieve the operating system of allocating them for us

1:31:43Prevent PushLighting() from being called twice, also moving handmade_render.{cpp,h} and handmade_render_group.{cpp,h} into the "retired" directory

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1:31:43Prevent PushLighting() from being called twice, also moving handmade_render.{cpp,h} and handmade_render_group.{cpp,h} into the "retired" directory

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1:31:43Prevent PushLighting() from being called twice, also moving handmade_render.{cpp,h} and handmade_render_group.{cpp,h} into the "retired" directory

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1:35:12Run the game to see the lighting working just fine

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1:35:12Run the game to see the lighting working just fine

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1:35:12Run the game to see the lighting working just fine

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1:35:48Determine to generalise texture management

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1:35:48Determine to generalise texture management

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1:35:48Determine to generalise texture management

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1:37:29Change win32_renderer_test.cpp to be OpenGL only

1:41:04Set up to test the OpenGL memory allocation

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1:41:04Set up to test the OpenGL memory allocation

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1:41:04Set up to test the OpenGL memory allocation

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1:42:32Enable win32_renderer_test.cpp to allocate OpenGL buffers

1:46:16Step through win32_renderer_test.cpp to see that all is okay

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1:46:16Step through win32_renderer_test.cpp to see that all is okay

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1:46:16Step through win32_renderer_test.cpp to see that all is okay

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1:49:45Make win32_renderer_test.cpp call PushFullClear() and hit the situation where we need to talk to the renderer

1:52:42Q&A

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1:52:42Q&A

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1:52:42Q&A

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1:53:24jim0_o Q: Are you going to check the recording that ended in an app crash?

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1:53:24jim0_o Q: Are you going to check the recording that ended in an app crash?

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1:53:24jim0_o Q: Are you going to check the recording that ended in an app crash?

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1:54:17genos3 Q: Is Vulkan worthwhile for the performance gain over OpenGL?

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1:54:17genos3 Q: Is Vulkan worthwhile for the performance gain over OpenGL?

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1:54:17genos3 Q: Is Vulkan worthwhile for the performance gain over OpenGL?

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1:55:32sratke Q: Will you take this opportunity to implement the d3d backend?

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1:55:32sratke Q: Will you take this opportunity to implement the d3d backend?

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1:55:32sratke Q: Will you take this opportunity to implement the d3d backend?

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1:56:06frostyninja How long is lunch break?

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1:56:06frostyninja How long is lunch break?

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1:56:06frostyninja How long is lunch break?

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1:56:23genos3 Q: Are there practical solutions to reducing the fill rate in the software renderer?

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1:56:23genos3 Q: Are there practical solutions to reducing the fill rate in the software renderer?

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1:56:23genos3 Q: Are there practical solutions to reducing the fill rate in the software renderer?

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1:56:59uplinkcoder Q: Isn't every graphics API just a middleman?

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1:56:59uplinkcoder Q: Isn't every graphics API just a middleman?

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1:56:59uplinkcoder Q: Isn't every graphics API just a middleman?

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1:59:04joesweeney Q: How do you recommend a beginner get better at writing platform layers? Is the only way to just write a bunch of them to figure out the common patterns?

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1:59:04joesweeney Q: How do you recommend a beginner get better at writing platform layers? Is the only way to just write a bunch of them to figure out the common patterns?

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1:59:04joesweeney Q: How do you recommend a beginner get better at writing platform layers? Is the only way to just write a bunch of them to figure out the common patterns?

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1:59:24Rounin Q: I'm one of the Linux people. Please don't give us Vulkan

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1:59:24Rounin Q: I'm one of the Linux people. Please don't give us Vulkan

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1:59:24Rounin Q: I'm one of the Linux people. Please don't give us Vulkan

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2:00:53Close it down for a timezone-appropriate meal

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2:00:53Close it down for a timezone-appropriate meal

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2:00:53Close it down for a timezone-appropriate meal

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