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[client] egl: use compiler stack allocation builtin

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This commit is contained in:
Geoffrey McRae
2026-10-03 09:46:11 +10:00
parent 1ff31304cd
commit f9fa437c20
1 changed files with 2 additions and 2 deletions
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4
client/renderers/EGL/egl.c
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@@ -1529,7 +1529,7 @@ static bool egl_render(LG_Renderer * renderer, LG_RendererRotate rotate,
struct DesktopDamage noDesktopDamage = {};
struct DesktopDamage * desktopDamage = NULL;
struct DamageRects * accumulated = (struct DamageRects *)alloca(
struct DamageRects * accumulated = (struct DamageRects *)__builtin_alloca(
sizeof(struct DamageRects) +
MAX_ACCUMULATED_DAMAGE * sizeof(struct KVMFRFrameDamageRect)
);
@@ -1778,7 +1778,7 @@ static bool egl_render(LG_Renderer * renderer, LG_RendererRotate rotate,
if (linearHDRComposition && encodeDamageCount > 0)
{
const int capacity = damageIdx + accumulated->count;
encodeDamage = alloca(capacity * sizeof(*encodeDamage));
encodeDamage = __builtin_alloca(capacity * sizeof(*encodeDamage));
memcpy(encodeDamage, damage, damageIdx * sizeof(*encodeDamage));
encodeDamageCount = damageIdx;