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Diffstat (limited to 'arm9/lib/src/GX_g3.c')
-rw-r--r--arm9/lib/src/GX_g3.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arm9/lib/src/GX_g3.c b/arm9/lib/src/GX_g3.c
new file mode 100644
index 00000000..66e34dc7
--- /dev/null
+++ b/arm9/lib/src/GX_g3.c
@@ -0,0 +1,36 @@
+#include "global.h"
+#include "main.h"
+#include "gx.h"
+
+
+void G3_BeginMakeDL(struct DL *displaylist, void *r1, u32 r2){
+ displaylist->var0C = r2;
+ displaylist->var08 = r1;
+ displaylist->var00 = r1;
+ displaylist->var04 = (u32 *)r1 + 1;
+ displaylist->var10 = 0x0;
+}
+
+s32 G3_EndMakeDL(struct DL *displaylist){
+ if (displaylist->var08 == displaylist->var00)
+ return 0;
+ //pads the buffer with 0 to 4byte alignment if needed
+ switch((u32)displaylist->var00 & 0x3)
+ {
+ case 0:
+ return displaylist->var00 - displaylist->var08;
+ case 1:
+ *displaylist->var00++ = 0x0;
+ case 2:
+ *displaylist->var00++ = 0x0;
+ case 3:
+ *displaylist->var00++ = 0x0;
+ }
+ if (displaylist->var10)
+ {
+ *displaylist->var04++ = 0x0;
+ displaylist->var10 = 0x0;
+ }
+ displaylist->var00 = (u8 *)displaylist->var04;
+ return displaylist->var00 - displaylist->var08;
+}