Decompile texGetWidthAtLod
This commit is contained in:
Ryan Dwyer
parent
2c01a9a557
commit
defb651a7b
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@ -257,58 +257,31 @@ bool surface0f173b8c(s32 index, s32 arg1, s32 arg2, s32 arg3, s32 arg4)
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return result;
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}
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GLOBAL_ASM(
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glabel surface0f173c10
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/* f173c10: 14a00003 */ bnez $a1,.L0f173c20
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/* f173c14: 90830008 */ lbu $v1,0x8($a0)
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/* f173c18: 03e00008 */ jr $ra
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/* f173c1c: 00601025 */ or $v0,$v1,$zero
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.L0f173c20:
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/* f173c20: 8c8e000c */ lw $t6,0xc($a0)
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/* f173c24: 3c02800b */ lui $v0,%hi(g_TexCacheCount)
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/* f173c28: 000ec080 */ sll $t8,$t6,0x2
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/* f173c2c: 07010018 */ bgez $t8,.L0f173c90
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/* f173c30: 00000000 */ nop
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/* f173c34: 8c42b538 */ lw $v0,%lo(g_TexCacheCount)($v0)
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/* f173c38: 00003025 */ or $a2,$zero,$zero
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/* f173c3c: 18400012 */ blez $v0,.L0f173c88
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/* f173c40: 00000000 */ nop
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/* f173c44: 8c830000 */ lw $v1,0x0($a0)
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/* f173c48: 3c07800b */ lui $a3,%hi(g_TexCacheItems)
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/* f173c4c: 24e7abd8 */ addiu $a3,$a3,%lo(g_TexCacheItems)
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/* f173c50: 0003cd02 */ srl $t9,$v1,0x14
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/* f173c54: 03201825 */ or $v1,$t9,$zero
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.L0f173c58:
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/* f173c58: 84e80000 */ lh $t0,0x0($a3)
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/* f173c5c: 14680006 */ bne $v1,$t0,.L0f173c78
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/* f173c60: 00064900 */ sll $t1,$a2,0x4
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/* f173c64: 01255021 */ addu $t2,$t1,$a1
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/* f173c68: 3c02800b */ lui $v0,%hi(g_TexCacheItems+0x1)
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/* f173c6c: 004a1021 */ addu $v0,$v0,$t2
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/* f173c70: 03e00008 */ jr $ra
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/* f173c74: 9042abd9 */ lbu $v0,%lo(g_TexCacheItems+0x1)($v0)
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.L0f173c78:
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/* f173c78: 24c60001 */ addiu $a2,$a2,0x1
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/* f173c7c: 00c2082a */ slt $at,$a2,$v0
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/* f173c80: 1420fff5 */ bnez $at,.L0f173c58
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/* f173c84: 24e70010 */ addiu $a3,$a3,0x10
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.L0f173c88:
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/* f173c88: 03e00008 */ jr $ra
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/* f173c8c: 24020001 */ addiu $v0,$zero,0x1
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.L0f173c90:
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/* f173c90: 18a00006 */ blez $a1,.L0f173cac
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/* f173c94: 00003025 */ or $a2,$zero,$zero
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.L0f173c98:
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/* f173c98: 24630001 */ addiu $v1,$v1,0x1
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/* f173c9c: 24c60001 */ addiu $a2,$a2,0x1
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/* f173ca0: 00035843 */ sra $t3,$v1,0x1
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/* f173ca4: 14c5fffc */ bne $a2,$a1,.L0f173c98
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/* f173ca8: 01601825 */ or $v1,$t3,$zero
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.L0f173cac:
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/* f173cac: 00601025 */ or $v0,$v1,$zero
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/* f173cb0: 03e00008 */ jr $ra
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/* f173cb4: 00000000 */ nop
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);
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s32 texGetWidthAtLod(struct texloadthing *arg0, s32 lod)
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{
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s32 i;
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s32 width = arg0->width;
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if (lod == 0) {
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return width;
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}
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if (arg0->unk0c_02) {
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for (i = 0; i < g_TexCacheCount; i++) {
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if (arg0->texturenum == g_TexCacheItems[i].texturenum) {
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return g_TexCacheItems[i].widths[lod - 1];
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}
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}
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return 1;
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}
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for (i = 0; i < lod; i++) {
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width = (width + 1) >> 1;
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}
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return width;
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}
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GLOBAL_ASM(
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glabel surface0f173cb8
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@ -369,7 +342,7 @@ glabel surface0f173d60
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/* f173d64: afbf0014 */ sw $ra,0x14($sp)
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/* f173d68: 8c830008 */ lw $v1,0x8($a0)
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/* f173d6c: 306e0003 */ andi $t6,$v1,0x3
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/* f173d70: 0fc5cf04 */ jal surface0f173c10
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/* f173d70: 0fc5cf04 */ jal texGetWidthAtLod
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/* f173d74: afae001c */ sw $t6,0x1c($sp)
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/* f173d78: 8fa3001c */ lw $v1,0x1c($sp)
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/* f173d7c: 24010003 */ addiu $at,$zero,0x3
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@ -1132,7 +1105,7 @@ glabel surface0f1747a4
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/* f17482c: afa60064 */ sw $a2,0x64($sp)
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/* f174830: 02a02025 */ or $a0,$s5,$zero
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.L0f174834:
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/* f174834: 0fc5cf04 */ jal surface0f173c10
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/* f174834: 0fc5cf04 */ jal texGetWidthAtLod
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/* f174838: 02402825 */ or $a1,$s2,$zero
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/* f17483c: 0fc5cfc6 */ jal surface0f173f18
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/* f174840: 00402025 */ or $a0,$v0,$zero
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@ -1257,7 +1230,7 @@ glabel surface0f1747a4
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.L0f174a0c:
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/* f174a0c: 00008025 */ or $s0,$zero,$zero
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.L0f174a10:
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/* f174a10: 0fc5cf04 */ jal surface0f173c10
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/* f174a10: 0fc5cf04 */ jal texGetWidthAtLod
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/* f174a14: 0200b825 */ or $s7,$s0,$zero
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/* f174a18: 8fad00c8 */ lw $t5,0xc8($sp)
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/* f174a1c: 00409825 */ or $s3,$v0,$zero
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@ -529,7 +529,7 @@ void texSelect(Gfx **gdlptr, struct textureconfig *tconfig, u32 arg2, s32 arg3,
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if (tile > 0) {
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if (s4 && s4->unk0c_02) {
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width = surface0f173c10(s4, tile);
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width = texGetWidthAtLod(s4, tile);
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height = surface0f173cb8(s4, tile);
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} else {
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if (width >= 2) {
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@ -10,7 +10,7 @@ void surface0f173a08(void);
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bool surface0f173a44(u32 value);
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bool surface0f173a70(s32 index, s32 arg1, s32 arg2, s32 arg3, s32 arg4, s32 arg5, s32 arg6, s32 arg7, s32 arg8, s32 arg9, s32 arg10);
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bool surface0f173b8c(s32 index, s32 arg1, s32 arg2, s32 arg3, s32 arg4);
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s32 surface0f173c10(struct texloadthing *arg0, s32 arg1);
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s32 texGetWidthAtLod(struct texloadthing *arg0, s32 arg1);
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s32 surface0f173cb8(struct texloadthing *arg0, s32 arg1);
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u32 surface0f173d60(void);
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u32 surface0f173e10(void);
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