Decompile GX_load3d.s

4 files changed, 183 insertions, 420 deletions

diff --git a/arm9/asm/GX_load3d.s b/arm9/asm/GX_load3d.s
deleted file mode 100644
index 0c32f530..00000000
--- a/arm9/asm/GX_load3d.s
+++ /dev/null
@@ -1,420 +0,0 @@
-	.include "asm/macros.inc"
-	.include "global.inc"
-
-    .text
-
-	arm_func_start GX_EndLoadClearImage
-GX_EndLoadClearImage: ; 0x020C95AC
-	stmdb sp!, {lr}
-	sub sp, sp, #0x4
-	ldr r0, _020C95F8 ; =0x02106814
-	mvn r1, #0x0
-	ldr r0, [r0, #0x0]
-	cmp r0, r1
-	beq _020C95CC
-	bl MI_WaitDma
-_020C95CC:
-	ldr r0, _020C95FC ; =0x021D33FC
-	ldr r0, [r0, #0x0]
-	bl GX_SetBankForClearImage
-	ldr r1, _020C95FC ; =0x021D33FC
-	mov r2, #0x0
-	ldr r0, _020C9600 ; =0x021D340C
-	str r2, [r1, #0x0]
-	str r2, [r0, #0x0]
-	add sp, sp, #0x4
-	ldmia sp!, {lr}
-	bx lr
-	.balign 4
-_020C95F8: .word 0x02106814
-_020C95FC: .word 0x021D33FC
-_020C9600: .word 0x021D340C
-
-	arm_func_start GX_LoadClearImageDepth
-GX_LoadClearImageDepth: ; 0x020C9604
-	stmdb sp!, {r4,lr}
-	sub sp, sp, #0x8
-	ldr r3, _020C9670 ; =0x021D340C
-	ldr r2, _020C9674 ; =0x02106814
-	ldr r12, [r3, #0x0]
-	ldr lr, [r2, #0x0]
-	mvn r2, #0x0
-	mov r4, r0
-	mov r3, r1
-	cmp lr, r2
-	add r2, r12, #0x20000
-	beq _020C9658
-	mov r12, #0x0
-	str r12, [sp, #0x0]
-	mov r0, lr
-	mov r1, r4
-	str r12, [sp, #0x4]
-	bl MI_DmaCopy32Async
-	add sp, sp, #0x8
-	ldmia sp!, {r4,lr}
-	bx lr
-_020C9658:
-	mov r1, r2
-	mov r2, r3
-	bl MIi_CpuCopy32
-	add sp, sp, #0x8
-	ldmia sp!, {r4,lr}
-	bx lr
-	.balign 4
-_020C9670: .word 0x021D340C
-_020C9674: .word 0x02106814
-
-	arm_func_start GX_LoadClearImageColor
-GX_LoadClearImageColor: ; 0x020C9678
-	stmdb sp!, {r4,lr}
-	sub sp, sp, #0x8
-	ldr r2, _020C96E0 ; =0x02106814
-	ldr ip, _020C96E4 ; =0x021D340C
-	ldr lr, [r2, #0x0]
-	mvn r2, #0x0
-	mov r4, r0
-	mov r3, r1
-	cmp lr, r2
-	ldr r2, [r12, #0x0]
-	beq _020C96C8
-	mov r12, #0x0
-	str r12, [sp, #0x0]
-	mov r0, lr
-	mov r1, r4
-	str r12, [sp, #0x4]
-	bl MI_DmaCopy32Async
-	add sp, sp, #0x8
-	ldmia sp!, {r4,lr}
-	bx lr
-_020C96C8:
-	mov r1, r2
-	mov r2, r3
-	bl MIi_CpuCopy32
-	add sp, sp, #0x8
-	ldmia sp!, {r4,lr}
-	bx lr
-	.balign 4
-_020C96E0: .word 0x02106814
-_020C96E4: .word 0x021D340C
-
-	arm_func_start GX_BeginLoadClearImage
-GX_BeginLoadClearImage: ; 0x020C96E8
-	stmdb sp!, {lr}
-	sub sp, sp, #0x4
-	bl GX_ResetBankForClearImage
-	ldr r1, _020C979C ; =0x021D33FC
-	cmp r0, #0xc
-	str r0, [r1, #0x0]
-	addls pc, pc, r0, lsl #0x2
-	b _020C9790
-_020C9708:
-	b _020C9790
-_020C970C:
-	b _020C976C
-_020C9710:
-	b _020C973C
-_020C9714:
-	b _020C973C
-_020C9718:
-	b _020C9784
-_020C971C:
-	b _020C9790
-_020C9720:
-	b _020C9790
-_020C9724:
-	b _020C9790
-_020C9728:
-	b _020C9754
-_020C972C:
-	b _020C9790
-_020C9730:
-	b _020C9790
-_020C9734:
-	b _020C9790
-_020C9738:
-	b _020C9754
-_020C973C:
-	ldr r0, _020C97A0 ; =0x021D340C
-	mov r1, #0x6800000
-	str r1, [r0, #0x0]
-	add sp, sp, #0x4
-	ldmia sp!, {lr}
-	bx lr
-_020C9754:
-	ldr r1, _020C97A4 ; =0x06840000
-	ldr r0, _020C97A0 ; =0x021D340C
-	add sp, sp, #0x4
-	str r1, [r0, #0x0]
-	ldmia sp!, {lr}
-	bx lr
-_020C976C:
-	ldr r1, _020C97A8 ; =0x067E0000
-	ldr r0, _020C97A0 ; =0x021D340C
-	add sp, sp, #0x4
-	str r1, [r0, #0x0]
-	ldmia sp!, {lr}
-	bx lr
-_020C9784:
-	ldr r1, _020C97AC ; =0x06820000
-	ldr r0, _020C97A0 ; =0x021D340C
-	str r1, [r0, #0x0]
-_020C9790:
-	add sp, sp, #0x4
-	ldmia sp!, {lr}
-	bx lr
-	.balign 4
-_020C979C: .word 0x021D33FC
-_020C97A0: .word 0x021D340C
-_020C97A4: .word 0x06840000
-_020C97A8: .word 0x067E0000
-_020C97AC: .word 0x06820000
-
-	arm_func_start GX_EndLoadTexPltt
-GX_EndLoadTexPltt: ; 0x020C97B0
-	stmdb sp!, {lr}
-	sub sp, sp, #0x4
-	ldr r0, _020C97FC ; =0x02106814
-	mvn r1, #0x0
-	ldr r0, [r0, #0x0]
-	cmp r0, r1
-	beq _020C97D0
-	bl MI_WaitDma
-_020C97D0:
-	ldr r0, _020C9800 ; =0x021D3408
-	ldr r0, [r0, #0x0]
-	bl GX_SetBankForTexPltt
-	ldr r1, _020C9800 ; =0x021D3408
-	mov r2, #0x0
-	ldr r0, _020C9804 ; =0x021D3404
-	str r2, [r1, #0x0]
-	str r2, [r0, #0x0]
-	add sp, sp, #0x4
-	ldmia sp!, {lr}
-	bx lr
-	.balign 4
-_020C97FC: .word 0x02106814
-_020C9800: .word 0x021D3408
-_020C9804: .word 0x021D3404
-
-	arm_func_start GX_LoadTexPltt
-GX_LoadTexPltt: ; 0x020C9808
-	stmdb sp!, {r4-r5,lr}
-	sub sp, sp, #0xc
-	ldr ip, _020C9874 ; =0x021D3404
-	ldr r3, _020C9878 ; =0x02106814
-	ldr r4, [r12, #0x0]
-	ldr lr, [r3, #0x0]
-	mvn r12, #0x0
-	mov r5, r0
-	mov r3, r2
-	cmp lr, r12
-	add r4, r4, r1
-	beq _020C9860
-	mov r12, #0x0
-	str r12, [sp, #0x0]
-	mov r0, lr
-	mov r1, r5
-	mov r2, r4
-	str r12, [sp, #0x4]
-	bl MI_DmaCopy32Async
-	add sp, sp, #0xc
-	ldmia sp!, {r4-r5,lr}
-	bx lr
-_020C9860:
-	mov r1, r4
-	bl MIi_CpuCopy32
-	add sp, sp, #0xc
-	ldmia sp!, {r4-r5,lr}
-	bx lr
-	.balign 4
-_020C9874: .word 0x021D3404
-_020C9878: .word 0x02106814
-
-	arm_func_start GX_BeginLoadTexPltt
-GX_BeginLoadTexPltt: ; 0x020C987C
-	stmdb sp!, {lr}
-	sub sp, sp, #0x4
-	bl GX_ResetBankForTexPltt
-	mov r3, r0, asr #0x4
-	ldr r2, _020C98B8 ; =0x021D3408
-	ldr r1, _020C98BC ; =0x02103B3C
-	mov r3, r3, lsl #0x1
-	ldrh r3, [r1, r3]
-	ldr r1, _020C98C0 ; =0x021D3404
-	str r0, [r2, #0x0]
-	mov r0, r3, lsl #0xc
-	str r0, [r1, #0x0]
-	add sp, sp, #0x4
-	ldmia sp!, {lr}
-	bx lr
-	.balign 4
-_020C98B8: .word 0x021D3408
-_020C98BC: .word 0x02103B3C
-_020C98C0: .word 0x021D3404
-
-	arm_func_start GX_EndLoadTex
-GX_EndLoadTex: ; 0x020C98C4
-	stmdb sp!, {lr}
-	sub sp, sp, #0x4
-	ldr r0, _020C9920 ; =0x02106814
-	mvn r1, #0x0
-	ldr r0, [r0, #0x0]
-	cmp r0, r1
-	beq _020C98E4
-	bl MI_WaitDma
-_020C98E4:
-	ldr r0, _020C9924 ; =0x021D3410
-	ldr r0, [r0, #0x0]
-	bl GX_SetBankForTex
-	ldr r3, _020C9928 ; =0x021D3418
-	mov r12, #0x0
-	ldr r2, _020C992C ; =0x021D3414
-	ldr r1, _020C9930 ; =0x021D3400
-	ldr r0, _020C9924 ; =0x021D3410
-	str r12, [r3, #0x0]
-	str r12, [r2, #0x0]
-	str r12, [r1, #0x0]
-	str r12, [r0, #0x0]
-	add sp, sp, #0x4
-	ldmia sp!, {lr}
-	bx lr
-	.balign 4
-_020C9920: .word 0x02106814
-_020C9924: .word 0x021D3410
-_020C9928: .word 0x021D3418
-_020C992C: .word 0x021D3414
-_020C9930: .word 0x021D3400
-
-	arm_func_start GX_LoadTex
-GX_LoadTex: ; 0x020C9934
-	stmdb sp!, {r4-r7,lr}
-	sub sp, sp, #0xc
-	ldr r3, _020C9A88 ; =0x021D3414
-	mov r7, r0
-	ldr r5, [r3, #0x0]
-	mov r6, r2
-	cmp r5, #0x0
-	ldreq r0, _020C9A8C ; =0x021D3400
-	ldreq r0, [r0, #0x0]
-	addeq r2, r0, r1
-	beq _020C9A34
-	ldr r0, _020C9A90 ; =0x021D3418
-	add r2, r1, r6
-	ldr r4, [r0, #0x0]
-	cmp r2, r4
-	ldrlo r0, _020C9A8C ; =0x021D3400
-	ldrcc r0, [r0, #0x0]
-	addcc r2, r0, r1
-	blo _020C9A34
-	cmp r1, r4
-	addcs r0, r5, r1
-	subcs r2, r0, r4
-	bhs _020C9A34
-	ldr r2, _020C9A8C ; =0x021D3400
-	ldr r0, _020C9A94 ; =0x02106814
-	ldr r3, [r2, #0x0]
-	ldr r0, [r0, #0x0]
-	mvn r2, #0x0
-	cmp r0, r2
-	sub r4, r4, r1
-	add r2, r3, r1
-	beq _020C99CC
-	cmp r4, #0x30
-	bls _020C99CC
-	mov r1, r7
-	mov r3, r4
-	bl MI_DmaCopy32
-	b _020C99DC
-_020C99CC:
-	mov r1, r2
-	mov r0, r7
-	mov r2, r4
-	bl MIi_CpuCopy32
-_020C99DC:
-	ldr r0, _020C9A94 ; =0x02106814
-	mvn r1, #0x0
-	ldr r0, [r0, #0x0]
-	cmp r0, r1
-	beq _020C9A18
-	mov r12, #0x0
-	str r12, [sp, #0x0]
-	mov r2, r5
-	add r1, r7, r4
-	sub r3, r6, r4
-	str r12, [sp, #0x4]
-	bl MI_DmaCopy32Async
-	add sp, sp, #0xc
-	ldmia sp!, {r4-r7,lr}
-	bx lr
-_020C9A18:
-	mov r1, r5
-	add r0, r7, r4
-	sub r2, r6, r4
-	bl MIi_CpuCopy32
-	add sp, sp, #0xc
-	ldmia sp!, {r4-r7,lr}
-	bx lr
-_020C9A34:
-	ldr r0, _020C9A94 ; =0x02106814
-	mvn r1, #0x0
-	ldr r0, [r0, #0x0]
-	cmp r0, r1
-	beq _020C9A6C
-	mov r4, #0x0
-	str r4, [sp, #0x0]
-	mov r1, r7
-	mov r3, r6
-	str r4, [sp, #0x4]
-	bl MI_DmaCopy32Async
-	add sp, sp, #0xc
-	ldmia sp!, {r4-r7,lr}
-	bx lr
-_020C9A6C:
-	mov r1, r2
-	mov r0, r7
-	mov r2, r6
-	bl MIi_CpuCopy32
-	add sp, sp, #0xc
-	ldmia sp!, {r4-r7,lr}
-	bx lr
-	.balign 4
-_020C9A88: .word 0x021D3414
-_020C9A8C: .word 0x021D3400
-_020C9A90: .word 0x021D3418
-_020C9A94: .word 0x02106814
-
-	arm_func_start GX_BeginLoadTex
-GX_BeginLoadTex: ; 0x020C9A98
-	stmdb sp!, {r4-r5,lr}
-	sub sp, sp, #0x4
-	bl GX_ResetBankForTex
-	mov r1, #0x6
-	mul r12, r0, r1
-	ldr r3, _020C9AFC ; =0x02103B4C
-	ldr r2, _020C9B00 ; =0x02103B4E
-	ldr r1, _020C9B04 ; =0x02103B50
-	ldrh r5, [r3, r12]
-	ldrh r4, [r2, r12]
-	ldrh lr, [r1, r12]
-	ldr ip, _020C9B08 ; =0x021D3410
-	ldr r3, _020C9B0C ; =0x021D3400
-	mov r5, r5, lsl #0xc
-	ldr r2, _020C9B10 ; =0x021D3414
-	mov r4, r4, lsl #0xc
-	ldr r1, _020C9B14 ; =0x021D3418
-	mov lr, lr, lsl #0xc
-	str r0, [r12, #0x0]
-	str r5, [r3, #0x0]
-	str r4, [r2, #0x0]
-	str lr, [r1, #0x0]
-	add sp, sp, #0x4
-	ldmia sp!, {r4-r5,lr}
-	bx lr
-	.balign 4
-_020C9AFC: .word 0x02103B4C
-_020C9B00: .word 0x02103B4E
-_020C9B04: .word 0x02103B50
-_020C9B08: .word 0x021D3410
-_020C9B0C: .word 0x021D3400
-_020C9B10: .word 0x021D3414
-_020C9B14: .word 0x021D3418
diff --git a/arm9/lib/include/gx.h b/arm9/lib/include/gx.h
index 5891753e..edb6f122 100644
--- a/arm9/lib/include/gx.h
+++ b/arm9/lib/include/gx.h
@@ -266,6 +266,18 @@ void GXS_BeginLoadOBJExtPltt();
 void GXS_LoadOBJExtPltt(void *src, u32 offset, u32 size);
 void GXS_EndLoadOBJExtPltt();
 
+//GX_load3d
+void GX_BeginLoadTex();
+void GX_LoadTex(void *src, u32 offset, u32 size);
+void GX_EndLoadTex();
+void GX_BeginLoadTexPltt();
+void GX_LoadTexPltt(void *src, u32 offset, u32 size);
+void GX_EndLoadTexPltt();
+void GX_BeginLoadClearImage();
+void GX_LoadClearImageColor(void *src, u32 size);
+void GX_LoadClearImageDepth(void *src, u32 size);
+void GX_EndLoadClearImage();
+
 //GXi_NopClearFifo128_ probably asm
 
 #endif //GUARD_GX_H
diff --git a/arm9/lib/src/GX_load3d.c b/arm9/lib/src/GX_load3d.c
new file mode 100644
index 00000000..9ae7427a
--- /dev/null
+++ b/arm9/lib/src/GX_load3d.c
@@ -0,0 +1,157 @@
+#include "global.h"
+#include "main.h"
+#include "gx.h"
+
+extern u32 gUnk02106814;
+
+extern u32 gUnk021D3410;
+extern u32 gUnk021D3400;
+extern u32 gUnk021D3414;
+extern u32 gUnk021D3418;
+
+//probably structs of length 0x6
+extern u16 gUnk02103B4C[];
+extern u16 gUnk02103B4E[];
+extern u16 gUnk02103B50[];
+
+extern u32 gUnk021D3408;
+extern u32 gUnk021D3404;
+extern u16 gUnk02103B3C[];
+
+extern s32 gUnk021D33FC;
+extern u32 gUnk021D340C;
+
+static inline void _GX_Load_16(void *src, void *dst, u32 size){
+    if (gUnk02106814 != -1 && size > 0x1C)
+    {
+        MI_DmaCopy16(gUnk02106814, src, dst, size);
+    }
+    else
+    {
+        MIi_CpuCopy16(src, dst, size);
+    }
+}
+
+static inline void _GX_Load_32(void *src, void *dst, u32 size){
+    if (gUnk02106814 != -1 && size > 0x30)
+    {
+        MI_DmaCopy32(gUnk02106814, src, dst, size);
+    }
+    else
+    {
+        MIi_CpuCopy32(src, dst, size);
+    }
+}
+
+static inline void _GX_Load_32_Async(void *src, void *dst, u32 size, void *func, void *ptr){
+    if (gUnk02106814 != -1)
+    {
+        MI_DmaCopy32Async(gUnk02106814, src, dst, size, func, ptr);
+    }
+    else
+    {
+        MIi_CpuCopy32(src, dst, size);
+    }
+}
+
+void GX_BeginLoadTex(){
+    u32 temp = GX_ResetBankForTex();
+    gUnk021D3410 = temp;
+    gUnk021D3400 = gUnk02103B4C[temp * 3] << 0xC;
+    gUnk021D3414 = gUnk02103B4E[temp * 3] << 0xC;
+    gUnk021D3418 = gUnk02103B50[temp * 3] << 0xC;
+}
+
+void GX_LoadTex(void *src, u32 offset, u32 size){
+    void *temp;
+    if (!gUnk021D3414)
+    {
+        temp = (void *)(gUnk021D3400 + offset);
+    }
+    else
+    {
+        if ((offset + size) < gUnk021D3418)
+        {
+            temp = (void *)(gUnk021D3400 + offset);
+        }
+        else if (offset >= gUnk021D3418)
+        {
+            temp = (void *)(gUnk021D3414 + offset - gUnk021D3418);
+        }
+        else
+        {
+            void *temp2 = (void *)gUnk021D3414;
+            u32 temp1 = gUnk021D3418 - offset;
+            temp = (void *)(gUnk021D3400 + offset);
+            _GX_Load_32(src, temp, temp1);
+            _GX_Load_32_Async((void *)((u8 *)src + temp1), temp2, (size - temp1), NULL, NULL);
+            return;
+        }
+    }
+    _GX_Load_32_Async(src, temp, size, NULL, NULL);
+}
+
+void GX_EndLoadTex(){
+    if (gUnk02106814 != -1)
+        MI_WaitDma(gUnk02106814);
+    GX_SetBankForTex(gUnk021D3410);
+    gUnk021D3418 = 0x0;
+    gUnk021D3414 = 0x0;
+    gUnk021D3400 = 0x0;
+    gUnk021D3410 = 0x0;
+}
+
+void GX_BeginLoadTexPltt(){
+    s32 temp = GX_ResetBankForTexPltt();
+    gUnk021D3408 = temp;
+    gUnk021D3404 = gUnk02103B3C[temp >> 4] << 0xC;
+}
+
+void GX_LoadTexPltt(void *src, u32 offset, u32 size){
+    _GX_Load_32_Async(src, (void *)(gUnk021D3404 + offset), size, NULL, NULL);
+}
+
+void GX_EndLoadTexPltt(){
+    if (gUnk02106814 != -1)
+        MI_WaitDma(gUnk02106814);
+    GX_SetBankForTexPltt(gUnk021D3408);
+    gUnk021D3408 = 0x0;
+    gUnk021D3404 = 0x0;
+}
+
+void GX_BeginLoadClearImage(){
+    s32 temp = GX_ResetBankForClearImage();
+    gUnk021D33FC = temp;
+    switch (temp)
+    {
+    case 2:
+    case 3:
+        gUnk021D340C = 0x6800000;
+        return;
+    case 8:
+    case 12:
+        gUnk021D340C = 0x6840000;
+        return;
+    case 1:
+        gUnk021D340C = 0x67E0000;
+        return;
+    case 4:
+        gUnk021D340C = 0x6820000;
+    }
+}
+
+void GX_LoadClearImageColor(void *src, u32 size){
+    _GX_Load_32_Async(src, (void *)(gUnk021D340C), size, NULL, NULL);
+}
+
+void GX_LoadClearImageDepth(void *src, u32 size){
+    _GX_Load_32_Async(src, (void *)(gUnk021D340C + 0x20000), size, NULL, NULL);
+}
+
+void GX_EndLoadClearImage(){
+    if (gUnk02106814 != -1)
+        MI_WaitDma(gUnk02106814);
+    GX_SetBankForClearImage(gUnk021D33FC);
+    gUnk021D33FC = 0x0;
+    gUnk021D340C = 0x0;
+}
diff --git a/arm9/undefined_syms.txt b/arm9/undefined_syms.txt
index 72bd6f94..1705fd25 100644
--- a/arm9/undefined_syms.txt
+++ b/arm9/undefined_syms.txt
@@ -30,6 +30,20 @@ gUnk021D33EC = 0x021D33EC;
 gUnk021D33F0 = 0x021D33F0;
 gUnk021D33F4 = 0x021D33F4;
 gUnk021D33F8 = 0x021D33F8;
+gUnk021D33FC = 0x021D33FC;
+gUnk021D3400 = 0x021D3400;
+gUnk021D3404 = 0x021D3404;
+gUnk021D3408 = 0x021D3408;
+gUnk021D340C = 0x021D340C;
+gUnk021D3410 = 0x021D3410;
+gUnk021D3414 = 0x021D3414;
+gUnk021D3418 = 0x021D3418;
+
+gUnk02103B3C = 0x02103B3C;
+
+gUnk02103B4C = 0x02103B4C;
+gUnk02103B4E = 0x02103B4E;
+gUnk02103B50 = 0x02103B50;
 
 // Overlay
 FUN_021D76AC = 0x021D76AC;