[Feature] Phase 6: Homebrew console ports (3DS, Vita, Switch)

[cerwym]

Summary

Create platform-specific implementations for homebrew consoles.

Tasks

Nintendo 3DS

• Create src/renderer/renderer_citro3d.c
• Create src/audio/audio_ndsp.c
• Create src/input/input_3ds.c
• Create PICA shaders for palette rendering
• Optimize for 400×240 resolution

PlayStation Vita

• Create src/renderer/renderer_gxm.c
• Create src/audio/audio_vita.c
• Create src/input/input_vita.c
• Create GXP shaders

Nintendo Switch

• bgfx deko3d backend should work
• Create src/audio/audio_switch.c
• Create src/input/input_switch.c

Notes

These require specialized knowledge of homebrew SDKs (devkitPro, vitasdk). Consider reaching out to homebrew communities for contributions.

Dependencies

• Depends on [Feature] Phase 2: Create RendererInterface abstraction layer #33 (Renderer Interface)
• Depends on [Feature] Phase 3: Implement bgfx hardware renderer #34 (bgfx for Switch)
• Depends on [Feature] Phase 5: Create Sound and Input abstraction layers #36 (Sound/Input Abstraction)