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feat(render3d): HDR10 output, and DLSS that stays still

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HDR output: an HDR10 swapchain (A2B10G10R10, ST 2084 over BT.2020) when the
setting asks and the display offers it, with HDR metadata. The tonemap's HDR10
variant keeps the SDR picture up to a 200-nit paper white and rolls highlights
on to 1000 nits; the overlay's converts the interface to the same white. The
screen and LDR images go 10-bit with it; screenshots refuse while it is on.
OpenGL and the Vulkan SDR frame are unchanged. The instance asks for
VK_EXT_swapchain_colorspace. HDR metadata only where the loader has
vkSetHdrMetadataEXT: Streamline's interposer does not, and calling the thunk
crashed the game the moment the swapchain came up HDR10. PC 4K monitor: HDR10,
validation 0. R3D_HDR overrides the setting.

DLSS:
- the vertical jitter offset flips with Streamline's image (rows from the top):
  unflipped, Quality resolved the ground into concentric rings;
- preset K in every mode: the default M put Performance at 18 ms a frame at 4K
  on an RTX 3070 Ti (33 fps against 41 with DLSS off; with K, 60);
- the camera is jittered only while this frame holds a token and the last
  evaluate worked.
R3D_DLSS_PRESET, R3D_CAM_LOG (the camera and DLSS state a frame) and
R3D_NOGRAIN for measuring.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-15 20:06:18 +03:00
parent 0224af64ab
commit 6525c11b3c
16 changed files with 273 additions and 29 deletions
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2
packages/ludic.render3d/shaders/variants.list
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@ -16,6 +16,7 @@ fullscreen.vert|ssgi.frag|
fullscreen.vert|ternormal.frag|
fullscreen.vert|tershadow.frag|#define NOISE_ONLY;
fullscreen.vert|tonemap.frag|
fullscreen.vert|tonemap.frag|#define HDR10;
grass.vert|model.frag|#define FOLIAGE;#define BLADE;
grass.vert|model.frag|#define FOLIAGE;#define BLADE;#define TILES;
impostor.vert|impostor.frag|
@ -37,6 +38,7 @@ model.vert|shadow.frag|#define SHADOW_PASS;
model.vert|shadow.frag|#define SHADOW_PASS;#define WIND;
model.vert|shadow.frag|#define SHADOW_PASS;#define WIND;#define ALPHA_TEST;
overlay.vert|overlay.frag|
overlay.vert|overlay.frag|#define HDR10;
skin.vert|model.frag|
skin.vert|model.frag|#define ALPHA_TEST;
skin.vert|outline.frag|#define OUTLINE;