Replace x_get functions with macros

The PS1 port relies on a heap for primitives since the GPU renders the
scene asynchronously. However, SDL-based platforms render primitives
synchronously, so structures can be allocated on the stack instead.

1 files changed, 3 insertions, 11 deletions

diff --git a/src/instance/src/instance.c b/src/instance/src/instance.c
index 03f4872..7fcd9b4 100644
--- a/src/instance/src/instance.c
+++ b/src/instance/src/instance.c
@@ -34,13 +34,10 @@ void instance_cyclic(void)
 
 static int draw_sel(const struct instance *const i, const short x, const short y)
 {
-    struct stp_4line *const l = stp_4line_get();
-
-    if (!l)
-        return -1;
-
     enum {R = 0, G = 255, B = 0};
 
+    stp_4line_get_or_ret(l, -1);
+    stp_4line_init(l);
     l->x = l->vertices[2].x = l->vertices[3].x = x;
     l->y = l->vertices[0].y = l->vertices[3].y = y;
     l->vertices[0].x = l->vertices[1].x = x + i->r.w;
@@ -60,12 +57,7 @@ static int draw_sel(const struct instance *const i, const short x, const short y
     l->vertices[0].g = l->vertices[2].g = UCHAR_MAX - line_g;
     l->vertices[1].g = l->vertices[3].g = line_g;
     stp_4line_sort(l);
-
-    struct stp_4line *const ll = stp_4line_get();
-
-    if (!ll)
-        return -1;
-
+    stp_4line_get_or_ret(ll, -1);
     *ll = *l;
     ll->x = ll->vertices[2].x = ll->vertices[3].x = l->x ? l->x - 1 : 0;
     ll->y = ll->vertices[0].y = ll->vertices[3].y = l->y ? l->y - 1 : 0;