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render3d: r3d_small, a renderer sized for a small UI window

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Set before r3d_open: the frame's uniform ring is 2 x 4 MB (was 2 x 64), memory blocks are 8 MB with
anything over 4 MB on its own (was 64 and 16), and the descriptor pools are an eighth of a world's.
Maroon Lake's launcher window draws a picture and text and never becomes the game; its launcher home
and Settings page draw pixel-identical on it. The full-size path is unchanged (steady: STEADY OK).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-29 14:23:00 +03:00
parent 90b23e11e9
commit 8030cfdfde
4 changed files with 41 additions and 13 deletions
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16
packages/ludic.render3d/gpu_vk.ludic
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@ -340,6 +340,16 @@ function gvk_alloc(render3d_st: mut Render3dState, req: bytes, want: int) -> lon
const GVK_BLOCK_DEVICE: int = 67108864
const GVK_BLOCK_HOST: int = 67108864
const GVK_OWN_OVER: int = 16777216
# a small window's (r3d_small): a UI's few sheets, not a world's hundreds of textures
const GVK_BLOCK_SMALL: int = 8388608
function gvk_block_bytes(render3d_st: Render3dState) -> int {
if render3d_st.r3d_small { return GVK_BLOCK_SMALL }
return GVK_BLOCK_DEVICE
}
function gvk_own_over(render3d_st: Render3dState) -> int {
if render3d_st.r3d_small { return GVK_BLOCK_SMALL / 2 }
return GVK_OWN_OVER
}
@alloc_ok("made once per resource and kept for its life (a texture, program, sampler, view, layout or memory block is created when first asked for)")
function gvk_mem_init(render3d_st: mut Render3dState) -> void {
@ -414,7 +424,7 @@ function gvk_mem_new(render3d_st: mut Render3dState, req: bytes, want: int, imag
}
let mp = render3d_st.gvk_map_slot
mp[0] = null
if size <= GVK_OWN_OVER {
if size <= gvk_own_over(render3d_st) {
var kind = t * 2
if image { kind += 1 }
var i = 0
@ -434,8 +444,8 @@ function gvk_mem_new(render3d_st: mut Render3dState, req: bytes, want: int, imag
i += 1
}
if blk < 0 {
var bsize = GVK_BLOCK_DEVICE
if host { bsize = GVK_BLOCK_HOST }
var bsize = gvk_block_bytes(render3d_st)
if host and not render3d_st.r3d_small { bsize = GVK_BLOCK_HOST }
let mem = gvk_mem_raw(render3d_st, t, bsize, host, mp)
if mem != 0 {
# into the record of a block given back, when there is one: a buffer made again every few