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wip: R3D_CB_DRAWS - submit the frame's command buffer every N draws (experiment)

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Orkun ÇAKILKAYA 2026-09-28 13:48:05 +03:00
parent f8fe157352
commit b17f1d7401
2 changed files with 9 additions and 0 deletions
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2
packages/ludic.render3d/env.ludic
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@ -339,6 +339,8 @@ export state Render3dState {
gvk_us_set: long = 0
gvk_us_draw: long = 0
gvk_n_draws: int = 0
gvk_cb_draws: int = 0 # draws recorded into the frame's command buffer so far
gvk_cb_cap: int = -1 # a command buffer is submitted after this many (0 = never; -1 unread)
gvk_n_asked: int = 0 # draws that reached gvk_draw_now: every one the renderer asked for
gvk_n_flush: int = 0
gvk_prof_frames: int = 0

7
packages/ludic.render3d/gpu_vk_draw.ludic
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@ -1248,6 +1248,13 @@ function gvk_set_view(render3d_st: mut Render3dState, cb: pointer) -> void {
# first / count select vertices or indices; count 0 means the mesh's own count. instances >= 1.
function gvk_draw(render3d_st: mut Render3dState, p: int, m: Mesh, st: GvkState, first: int, count: int, instances: int, tx: words, tx_w: int, tx_cap: int, rec: words, rec_o: int) -> void {
if render3d_st.gvk_prog_var == null or p <= 0 or p >= len(render3d_st.gvk_prog_var) or render3d_st.gvk_prog_var[p] == null { return }
if render3d_st.gvk_cb_cap < 0 {
render3d_st.gvk_cb_cap = 0
if r3d_env_has(render3d_st, "R3D_CB_DRAWS") { render3d_st.gvk_cb_cap = Text.to_int(r3d_env(render3d_st, "R3D_CB_DRAWS")) }
}
if render3d_st.gvk_cb_cap > 0 and render3d_st.gvk_cb_draws >= render3d_st.gvk_cb_cap { gvk_flush(render3d_st) }
if render3d_st.gvk_cb == null { render3d_st.gvk_cb_draws = 0 }
render3d_st.gvk_cb_draws += 1
let prof = gvk_prof(render3d_st)
var t0: long = 0
if prof { t0 = gl_now_us() }