Separating the Renderer Completely (Part 2) — Handmade Hero — Episode Guide

0:01Set the stage for the day making the texture system optional

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0:01Set the stage for the day making the texture system optional

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0:01Set the stage for the day making the texture system optional

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2:14A few words on ping-ponging between the renderer test bed and the full game, to gradually work the code away from the game, like in cookery

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2:14A few words on ping-ponging between the renderer test bed and the full game, to gradually work the code away from the game, like in cookery

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2:14A few words on ping-ponging between the renderer test bed and the full game, to gradually work the code away from the game, like in cookery

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4:16Pull out non-generic parts of handmade_renderer.h into handmade_math.h and handmade_renderer_software.h

13:18Work towards the removal of loaded_bitmap from handmade_renderer.h in favour of a unified texture API

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13:18Work towards the removal of loaded_bitmap from handmade_renderer.h in favour of a unified texture API

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13:18Work towards the removal of loaded_bitmap from handmade_renderer.h in favour of a unified texture API

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18:55Introduce renderer_texture to replace loaded_bitmap, propagating this replacement

29:56Run the game to see textured rendering

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29:56Run the game to see textured rendering

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29:56Run the game to see textured rendering

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30:08Move loaded_bitmap out of handmade_renderer.h to guide our replacement of it

38:10Create handmade_asset_rendering.cpp to contain the Handmade Hero-specific functions from handmade_renderer.cpp

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38:10Create handmade_asset_rendering.cpp to contain the Handmade Hero-specific functions from handmade_renderer.cpp

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38:10Create handmade_asset_rendering.cpp to contain the Handmade Hero-specific functions from handmade_renderer.cpp

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40:57Replace loaded_bitmap with software_texture

44:20Change the hardware renderer to use renderer_texture directly

50:18Run the game and encounter a "GL_INVALID_OPERATION" OpenGL Error

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50:18Run the game and encounter a "GL_INVALID_OPERATION" OpenGL Error

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50:18Run the game and encounter a "GL_INVALID_OPERATION" OpenGL Error

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51:09Fix RendererTextureFrom() to use the TextureHandle

51:37Run the game successfully

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51:37Run the game successfully

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51:37Run the game successfully

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52:02Remove RendererTextureFrom() in favour of passing Bitmap->TextureHandle to PushQuad() and PushCube()

52:26Try to include handmade_renderer.cpp in win32_renderer_test.cpp, and set up to push our lighting solution into the renderer

54:28Move lighting_point_state, lighting_box and LIGHT_POINTS_PER_CHUNK into handmade_renderer.h

55:34Try to let win32_renderer_test.cpp call PushFullClear()

55:59Run the renderer test, see no clear colour and investigate why

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55:59Run the renderer test, see no clear colour and investigate why

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55:59Run the renderer test, see no clear colour and investigate why

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56:32Make win32_renderer_test.cpp use PushFullClear() as the game uses it, performing the depth peel

58:15Run the renderer test to see our clear colour

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58:15Run the renderer test to see our clear colour

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58:15Run the renderer test to see our clear colour

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58:34Add a camera in win32_renderer_test.cpp

1:02:54Call PushCube() in win32_renderer_test.cpp

1:03:53Run the game and see no cube

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1:03:53Run the game and see no cube

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1:03:53Run the game and see no cube

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1:04:44Set CameraDolly to 10.0f

1:04:52Run the game, see the cube and tweak the camera parameters

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1:04:52Run the game, see the cube and tweak the camera parameters

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1:04:52Run the game, see the cube and tweak the camera parameters

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1:06:51Consider how to proceed, tackling texturing

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1:06:51Consider how to proceed, tackling texturing

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1:06:51Consider how to proceed, tackling texturing

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1:10:21Set up win32_renderer_test.cpp to load a bitmap for passing to a texturing system¹

1:17:52Make cube_test.bmp and sprite_test.bmp

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1:17:52Make cube_test.bmp and sprite_test.bmp

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1:17:52Make cube_test.bmp and sprite_test.bmp

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1:22:03Step through LoadBMP() in win32_renderer_test.cpp to see our bitmap loaded successfully

1:22:28Set up to submit our textures to the renderer as two types: odd-sized (slower) and 512×512 (faster)

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1:22:28Set up to submit our textures to the renderer as two types: odd-sized (slower) and 512×512 (faster)

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1:22:28Set up to submit our textures to the renderer as two types: odd-sized (slower) and 512×512 (faster)

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1:27:43Consider how to structure the two-tiered textured quads

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1:27:43Consider how to structure the two-tiered textured quads

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1:27:43Consider how to structure the two-tiered textured quads

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1:31:10Pull AddOp() and related structs into handmade_renderer.{cpp,h}

1:45:09Run the game and crash in AtomicAddU64()

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1:45:09Run the game and crash in AtomicAddU64()

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1:45:09Run the game and crash in AtomicAddU64()

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1:45:42Fix WinMainCRTStartup() to set the GameMemory.TextureQueue

1:46:01Run the game successfully

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1:46:01Run the game successfully

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1:46:01Run the game successfully

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1:46:08Determine to make the renderer use a fixed number of textures, to remove notion of allocating / deallocating textures, in favour of only updating them

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1:46:08Determine to make the renderer use a fixed number of textures, to remove notion of allocating / deallocating textures, in favour of only updating them

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1:46:08Determine to make the renderer use a fixed number of textures, to remove notion of allocating / deallocating textures, in favour of only updating them

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1:49:28Introduce renderer_texture_group and renderer_memory_layout

1:56:06Q&A

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1:56:06Q&A

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1:56:06Q&A

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1:56:31edvinholm Q: How would you approach front-to-back rendering?

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1:56:31edvinholm Q: How would you approach front-to-back rendering?

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1:56:31edvinholm Q: How would you approach front-to-back rendering?

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1:57:24edvinholm handmade_hero Yes

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1:57:24edvinholm handmade_hero Yes

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1:57:24edvinholm handmade_hero Yes

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1:58:06nickito97 Q: Is including a cpp file generally a bad idea?

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1:58:06nickito97 Q: Is including a cpp file generally a bad idea?

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1:58:06nickito97 Q: Is including a cpp file generally a bad idea?

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1:59:23iantjac Q: Is it possible to make variadic functions in C, when compiling without a LIBC?

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1:59:23iantjac Q: Is it possible to make variadic functions in C, when compiling without a LIBC?

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1:59:23iantjac Q: Is it possible to make variadic functions in C, when compiling without a LIBC?

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2:04:34oldganon handmade_hero Including varargs.h doesnt pull in libc

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2:04:34oldganon handmade_hero Including varargs.h doesnt pull in libc

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2:04:34oldganon handmade_hero Including varargs.h doesnt pull in libc

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2:05:05snovind92 Q: Why would the person you are helping not want to use a game engine if they are not too experienced with 3D programming?

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2:05:05snovind92 Q: Why would the person you are helping not want to use a game engine if they are not too experienced with 3D programming?

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2:05:05snovind92 Q: Why would the person you are helping not want to use a game engine if they are not too experienced with 3D programming?

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2:07:16xkrouzu Q: Kinda new to the stream, but did you do any sort of batch rendering (like rendering once by storing into a texture)?

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2:07:16xkrouzu Q: Kinda new to the stream, but did you do any sort of batch rendering (like rendering once by storing into a texture)?

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2:07:16xkrouzu Q: Kinda new to the stream, but did you do any sort of batch rendering (like rendering once by storing into a texture)?

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2:08:08nickito97 Q: Does the current renderer support arbitrary meshes or shaders?

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2:08:08nickito97 Q: Does the current renderer support arbitrary meshes or shaders?

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2:08:08nickito97 Q: Does the current renderer support arbitrary meshes or shaders?

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2:08:47floorislava Q: When the texture is sent to the GPU is it a 1:1 size ratio or does it get compressed

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2:08:47floorislava Q: When the texture is sent to the GPU is it a 1:1 size ratio or does it get compressed

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2:08:47floorislava Q: When the texture is sent to the GPU is it a 1:1 size ratio or does it get compressed

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2:09:11jim0_o Q: Did you noticed that the stream went down for a minute at around minute 45 of this stream?

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2:09:11jim0_o Q: Did you noticed that the stream went down for a minute at around minute 45 of this stream?

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2:09:11jim0_o Q: Did you noticed that the stream went down for a minute at around minute 45 of this stream?

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2:10:06dudeinbasement1 Q: Thoughts on a simple handmade OBS?

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2:10:06dudeinbasement1 Q: Thoughts on a simple handmade OBS?

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2:10:06dudeinbasement1 Q: Thoughts on a simple handmade OBS?

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2:11:22vaualbus Q: Would this texture system solve our binding texture timing?

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2:11:22vaualbus Q: Would this texture system solve our binding texture timing?

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2:11:22vaualbus Q: Would this texture system solve our binding texture timing?

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2:11:39ponkkiz Q: Where do you buy your cool hats?

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2:11:39ponkkiz Q: Where do you buy your cool hats?

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2:11:39ponkkiz Q: Where do you buy your cool hats?

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2:11:58kittehk Q: Stupid question, but would there ever be a need to use compute shaders in the game, or are we staying away from this side of the API?

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2:11:58kittehk Q: Stupid question, but would there ever be a need to use compute shaders in the game, or are we staying away from this side of the API?

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2:11:58kittehk Q: Stupid question, but would there ever be a need to use compute shaders in the game, or are we staying away from this side of the API?

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2:12:20vaualbus Q: I mean the time spent in glBindTexture()

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2:12:20vaualbus Q: I mean the time spent in glBindTexture()

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2:12:20vaualbus Q: I mean the time spent in glBindTexture()

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2:13:09frostyninja Q: Can we get another Lemongrab impersonation for my compilation?²

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2:13:09frostyninja Q: Can we get another Lemongrab impersonation for my compilation?²

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2:13:09frostyninja Q: Can we get another Lemongrab impersonation for my compilation?²

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2:16:03xghost7 Q: Why did you change to Visual Studio editor? You were using something else before, I think

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2:16:03xghost7 Q: Why did you change to Visual Studio editor? You were using something else before, I think

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2:16:03xghost7 Q: Why did you change to Visual Studio editor? You were using something else before, I think

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2:16:17vaualbus Q: Any idea on how to handle different textures when using instancing rendering? Pack all the textures in an array and write a custom sampler?

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2:16:17vaualbus Q: Any idea on how to handle different textures when using instancing rendering? Pack all the textures in an array and write a custom sampler?

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2:16:17vaualbus Q: Any idea on how to handle different textures when using instancing rendering? Pack all the textures in an array and write a custom sampler?

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2:17:20jhaxgaming Q: Sorry to ask a noob question, but why do your function signatures use the internal keyword?

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2:17:20jhaxgaming Q: Sorry to ask a noob question, but why do your function signatures use the internal keyword?

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2:17:20jhaxgaming Q: Sorry to ask a noob question, but why do your function signatures use the internal keyword?

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2:17:42naimlesson Q: Do you know if DX12 is going to be needed for making use of the new hardware ray tracing stuff? What alternatives exists, and is it going to be worth it?

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2:17:42naimlesson Q: Do you know if DX12 is going to be needed for making use of the new hardware ray tracing stuff? What alternatives exists, and is it going to be worth it?

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2:17:42naimlesson Q: Do you know if DX12 is going to be needed for making use of the new hardware ray tracing stuff? What alternatives exists, and is it going to be worth it?

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2:19:11vaualbus Q: And there is a reason for that, Casey: if you include any cpp it will break as they define their version of internal somewhere in the STL

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2:19:11vaualbus Q: And there is a reason for that, Casey: if you include any cpp it will break as they define their version of internal somewhere in the STL

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2:19:11vaualbus Q: And there is a reason for that, Casey: if you include any cpp it will break as they define their version of internal somewhere in the STL

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2:20:01nickito97 Q: What's wrong with STL?

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2:20:01nickito97 Q: What's wrong with STL?

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2:20:01nickito97 Q: What's wrong with STL?

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2:23:39garryjohanson Invasive list?

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2:23:39garryjohanson Invasive list?

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2:23:39garryjohanson Invasive list?

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2:25:42Close down shop

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2:25:42Close down shop

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2:25:42Close down shop

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