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feat(render3d): DLSS super resolution and Reflex through NVIDIA Streamline

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streamline.ludic: slInit before the Vulkan instance, feature support per
adapter, a frame token per frame, Reflex sleep and PCL latency markers, and
DLSS super resolution on the lit HDR frame (Halton jitter, depth + zero
motion vectors with camera motion from clipToPrevClip, matrices carrying
the Vulkan path's y flip and depth remap). Bloom, tonemap and sharpen read
the upscaled size. The device asks for privateData and present_id, which
Streamline's hooks need. R3D_DLSS / R3D_REFLEX / R3D_SL_LOG for tests.
gpu_feature_implemented: DLSS and Reflex.

ludic bundle (Windows): app native "<dir>" copies native libraries beside
the executable.

Verified on an RTX 3070 Ti: DLSS Quality evaluates 1280x720 -> 1920x1080.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-15 19:26:12 +03:00
parent ad8f44b78a
commit ac539b0150
10 changed files with 529 additions and 6 deletions
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6
packages/ludic.render3d/post.ludic
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@ -42,6 +42,8 @@ var post_depth_copy: Target = null
var post_prev: Target = null # last frame's scene colour, for the SSGI bounce only
var post_scene: Target = null # this frame's scene colour before the water, for refraction
var post_frame: int = 0
var post_color_w: int = 0 # its size: the display's when DLSS upscaled it
var post_color_h: int = 0
var post_color: int = 0 # the HDR colour the rest of post reads # the resolved depth, copied so passes can read it while drawing into the frame
var post_p_sharp: int = 0
var post_sharpen: int = 0
@ -258,7 +260,7 @@ function post_bloom_pass() -> void {
gpu_depth_test(false)
gpu_blend(false)
var src = post_color
var sw = post_w; var sh = post_h
var sw = post_color_w; var sh = post_color_h
gpu_use_program(post_p_down)
for i in 0 .. BLOOM_LEVELS {
let t = post_bloom[i]
@ -315,7 +317,7 @@ function post_tonemap(color_tex: int) -> void {
gpu_viewport(0, 0, gl_w, gl_h)
gpu_use_program(post_p_sharp)
r3d_bind_2d(post_p_sharp, "u_src", 0, post_ldr.color)
u_f2(gpu_uniform(post_p_sharp, "u_texel"), fr(1, post_w), fr(1, post_h))
u_f2(gpu_uniform(post_p_sharp, "u_texel"), fr(1, post_ldr.w), fr(1, post_ldr.h))
u_f(gpu_uniform(post_p_sharp, "u_amount"), post_sharpen)
u_f(gpu_uniform(post_p_sharp, "u_grain"), post_grain)
u_f(gpu_uniform(post_p_sharp, "u_time"), r3d_time)