PSP/3DS: Less stack usage and more appropriate stack size for new threads

src/Bitmap.h

@@ -47,9 +47,6 @@ BitmapCol BitmapColor_Scale(BitmapCol a, float t);
 
 /* A 2D array of BitmapCol pixels */
 struct Bitmap { BitmapCol* scan0; int width, height; };
-#define PNG_MAX_DIMS 0x8000
-#define PNG_SIG_SIZE 8
-
 /* Returns number of bytes a bitmap consumes. */
 #define Bitmap_DataSize(width, height) ((cc_uint32)(width) * (cc_uint32)(height) * 4)
 /* Gets the yth row of the given bitmap. */
@@ -76,6 +73,14 @@ void Bitmap_TryAllocate(struct Bitmap* bmp, int width, int height);
 CC_API void Bitmap_Scale(struct Bitmap* dst, struct Bitmap* src, 
 						int srcX, int srcY, int srcWidth, int srcHeight);
 
+#define PNG_SIG_SIZE 8
+#if defined CC_BUILD_PSP || defined CC_BUILD_3DS
+/* No point supporting > 1K x 1K bitmaps when system has less than 64 MB of RAM anyways */
+#define PNG_MAX_DIMS 1024
+#else
+#define PNG_MAX_DIMS 0x8000
+#endif
+
 /* Whether data starts with PNG format signature/identifier. */
 cc_bool Png_Detect(const cc_uint8* data, cc_uint32 len);
 typedef BitmapCol* (*Png_RowGetter)(struct Bitmap* bmp, int row);

src/Drawer2D.c

@@ -1388,4 +1388,35 @@ static int Font_SysTextWidth(struct DrawTextArgs* args) {
 static void Font_SysTextDraw(struct DrawTextArgs* args, struct Bitmap* bmp, int x, int y, cc_bool shadow) {
     interop_SysTextDraw(args, bmp, x, y, shadow);
 }
+#elif defined CC_BUILD_PSP || defined CC_BUILD_3DS
+void SysFonts_Register(const cc_string* path) { }
+
+const cc_string* SysFonts_UNSAFE_GetDefault(void) { return &String_Empty; }
+
+void SysFonts_GetNames(struct StringsBuffer* buffer) { }
+
+cc_result SysFont_Make(struct FontDesc* desc, const cc_string* fontName, int size, int flags) {
+	desc->size   = size;
+	desc->flags  = flags;
+	desc->height = Drawer2D_AdjHeight(size);
+
+	desc->handle = (void*)1;
+	return 0;
+}
+
+void SysFont_MakeDefault(struct FontDesc* desc, int size, int flags) {
+	SysFont_Make(desc, NULL, size, flags);
+}
+
+void Font_Free(struct FontDesc* desc) {
+    desc->size   = 0;
+    desc->handle = NULL;
+}
+
+static int Font_SysTextWidth(struct DrawTextArgs* args) {
+	return 10;
+}
+
+static void Font_SysTextDraw(struct DrawTextArgs* args, struct Bitmap* bmp, int x, int y, cc_bool shadow) {
+}
 #endif

src/Graphics_3DS.c

@@ -17,7 +17,7 @@
 	
 // https://gbatemp.net/threads/homebrew-development.360646/page-245
 // 3DS defaults to stack size of *32 KB*.. way too small
-unsigned int __stacksize__ = 512 * 1024;
+unsigned int __stacksize__ = 256 * 1024;
 
 /*########################################################################################################################*
 *---------------------------------------------------------General---------------------------------------------------------*

src/Platform_3DS.c

@@ -235,7 +235,7 @@ static void Exec3DSThread(void* param) {
 
 void* Thread_Create(Thread_StartFunc func) {
 	//TODO: Not quite correct, but eh
-	return threadCreate(Exec3DSThread, (void*)func, 512 * 1024, 0x3f, -2, false);
+	return threadCreate(Exec3DSThread, (void*)func, 128 * 1024, 0x3f, -2, false);
 }
 
 void Thread_Start2(void* handle, Thread_StartFunc func) {

src/Platform_PSP.c

@@ -234,7 +234,7 @@ static int ExecThread(unsigned int argc, void *argv) {
 
 void* Thread_Create(Thread_StartFunc func) {
 	#define CC_THREAD_PRIORITY 17 // TODO: 18?
-	#define CC_THREAD_STACKSIZE 0x8000
+	#define CC_THREAD_STACKSIZE 128 * 1024
 	#define CC_THREAD_ATTRS 0 // TODO PSP_THREAD_ATTR_VFPU?
 	
 	return (void*)sceKernelCreateThread("CC thread", ExecThread, CC_THREAD_PRIORITY,