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Gpx2Plus.Create() should fail if width <= 0 or height <= 0

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This fixes "Incomplete framebuffer" error in Daibanchou.
This commit is contained in:
kichikuou
2024-07-21 14:26:01 +09:00
parent 52a624009d
commit 3f18b181a3
1 changed files with 7 additions and 1 deletions
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src/hll/Gpx2Plus.c
+7 -1
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@@ -51,6 +51,8 @@ static struct {
static struct gpx_surface *create_surface(int width, int height)
{
if (width <= 0 || height <= 0)
return NULL;
int sf_no;
for (sf_no = 0; surfaces[sf_no]; sf_no++) {
if (sf_no + 1 == nr_surfaces) {
@@ -106,7 +108,7 @@ static void Gpx2Plus_Init(possibly_unused void *imainsystem, possibly_unused str
// create main surface
Texture *t = gfx_main_surface();
struct gpx_surface *sf = create_surface(t->w, t->h);
assert(sf->no == 0);
assert(sf && sf->no == 0);
msgbuf.cap = 1024;
msgbuf.len = 0;
@@ -119,12 +121,16 @@ static void Gpx2Plus_Init(possibly_unused void *imainsystem, possibly_unused str
static int Gpx2Plus_Create(int width, int height, possibly_unused int bpp)
{
struct gpx_surface *sf = create_surface(width, height);
if (!sf)
return -1;
return sf->no;
}
static int Gpx2Plus_CreatePixelOnly(int width, int height, possibly_unused int bpp)
{
struct gpx_surface *sf = create_surface(width, height);
if (!sf)
return -1;
sf->has_alpha = false;
return sf->no;
}