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wip(render3d): one frame recording while one draws on Vulkan (double-buffered ring and pools), R3D_VK_LABELS, grass measuring switches (R3D_NOGRASS, R3D_BLADES, R3D_GRASS_S0/D0)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-27 14:32:01 +03:00
parent 4e2087d6eb
commit f815f3e3cf
8 changed files with 100 additions and 19 deletions
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31
packages/ludic.render3d/gpu_vk_res.ludic
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@ -560,6 +560,9 @@ function gvk_buf_release(render3d_st: mut Render3dState, b: int) -> void {
if gvk_buf_busy(render3d_st, b) {
# a draw recorded this frame (or the frame in flight) still reads it: destroy it once the frame has been submitted
push(render3d_st.gvk_retired_buf, render3d_st.gvk_buf[b]); push(render3d_st.gvk_retired_mem, render3d_st.gvk_buf_mem[b])
if render3d_st.gvk_retired_frame == null { render3d_st.gvk_retired_frame = new []int }
while len(render3d_st.gvk_retired_frame) < len(render3d_st.gvk_retired_buf) - 1 { push(render3d_st.gvk_retired_frame, 0) }
push(render3d_st.gvk_retired_frame, render3d_st.gvk_buf_used[b])
} else {
Vk.destroy_buffer(render3d_st.gvk_dev, render3d_st.gvk_buf[b], null)
gvk_mem_free(render3d_st, gvk_mem_id(render3d_st.gvk_buf_mem[b]))
@ -569,18 +572,32 @@ function gvk_buf_release(render3d_st: mut Render3dState, b: int) -> void {
# read by a draw recorded this frame, or by the presented frame still on the GPU
function gvk_buf_busy(render3d_st: Render3dState, b: int) -> bool {
let u = render3d_st.gvk_buf_used[b]
return u == render3d_st.gvk_frame_no or (render3d_st.gvk_frame_pending and u == render3d_st.gvk_frame_no - 1)
return u == render3d_st.gvk_frame_no or (render3d_st.gvk_frame_pending and u == render3d_st.gvk_frame_pending_no)
}
# the frame's submitted work is done: storage retired during it can go
function gvk_retire_flush(render3d_st: mut Render3dState) -> void {
# everything submitted is done: every retired buffer can go
function gvk_retire_flush(render3d_st: mut Render3dState) -> void { gvk_retire_upto(render3d_st, render3d_st.gvk_frame_no) }
# frame `done` and every frame before it are finished: storage last read by them can go, and what
# the frame being recorded read stays
function gvk_retire_upto(render3d_st: mut Render3dState, done: int) -> void {
if render3d_st.gvk_retired_buf == null { return }
let keep_buf = new []long
let keep_mem = new []long
let keep_frame = new []int
for i in 0 .. len(render3d_st.gvk_retired_buf) {
Vk.destroy_buffer(render3d_st.gvk_dev, render3d_st.gvk_retired_buf[i], null)
gvk_mem_free(render3d_st, gvk_mem_id(render3d_st.gvk_retired_mem[i]))
var f = 0
if render3d_st.gvk_retired_frame != null and i < len(render3d_st.gvk_retired_frame) { f = render3d_st.gvk_retired_frame[i] }
if f > done {
push(keep_buf, render3d_st.gvk_retired_buf[i]); push(keep_mem, render3d_st.gvk_retired_mem[i]); push(keep_frame, f)
} else {
Vk.destroy_buffer(render3d_st.gvk_dev, render3d_st.gvk_retired_buf[i], null)
gvk_mem_free(render3d_st, gvk_mem_id(render3d_st.gvk_retired_mem[i]))
}
}
render3d_st.gvk_retired_buf = new []long
render3d_st.gvk_retired_mem = new []long
render3d_st.gvk_retired_buf = keep_buf
render3d_st.gvk_retired_mem = keep_mem
render3d_st.gvk_retired_frame = keep_frame
}
# A buffer a compute pass writes: a draw later in the same frame reads what the GPU put there,