Decompile texGetHeightAtLod
This commit is contained in:
Ryan Dwyer
parent
defb651a7b
commit
67de88a8e4
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@ -283,58 +283,31 @@ s32 texGetWidthAtLod(struct texloadthing *arg0, s32 lod)
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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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/* f173cb8: 14a00003 */ bnez $a1,.L0f173cc8
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/* f173cbc: 90830009 */ lbu $v1,0x9($a0)
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/* f173cc0: 03e00008 */ jr $ra
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/* f173cc4: 00601025 */ or $v0,$v1,$zero
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.L0f173cc8:
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/* f173cc8: 8c8e000c */ lw $t6,0xc($a0)
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/* f173ccc: 3c02800b */ lui $v0,%hi(g_TexCacheCount)
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/* f173cd0: 000ec080 */ sll $t8,$t6,0x2
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/* f173cd4: 07010018 */ bgez $t8,.L0f173d38
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/* f173cd8: 00000000 */ nop
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/* f173cdc: 8c42b538 */ lw $v0,%lo(g_TexCacheCount)($v0)
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/* f173ce0: 00003025 */ or $a2,$zero,$zero
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/* f173ce4: 18400012 */ blez $v0,.L0f173d30
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/* f173ce8: 00000000 */ nop
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/* f173cec: 8c830000 */ lw $v1,0x0($a0)
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/* f173cf0: 3c07800b */ lui $a3,%hi(g_TexCacheItems)
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/* f173cf4: 24e7abd8 */ addiu $a3,$a3,%lo(g_TexCacheItems)
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/* f173cf8: 0003cd02 */ srl $t9,$v1,0x14
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/* f173cfc: 03201825 */ or $v1,$t9,$zero
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.L0f173d00:
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/* f173d00: 84e80000 */ lh $t0,0x0($a3)
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/* f173d04: 14680006 */ bne $v1,$t0,.L0f173d20
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/* f173d08: 00064900 */ sll $t1,$a2,0x4
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/* f173d0c: 01255021 */ addu $t2,$t1,$a1
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/* f173d10: 3c02800b */ lui $v0,%hi(g_TexCacheItems+0x8)
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/* f173d14: 004a1021 */ addu $v0,$v0,$t2
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/* f173d18: 03e00008 */ jr $ra
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/* f173d1c: 9042abe0 */ lbu $v0,%lo(g_TexCacheItems+0x8)($v0)
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.L0f173d20:
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/* f173d20: 24c60001 */ addiu $a2,$a2,0x1
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/* f173d24: 00c2082a */ slt $at,$a2,$v0
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/* f173d28: 1420fff5 */ bnez $at,.L0f173d00
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/* f173d2c: 24e70010 */ addiu $a3,$a3,0x10
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.L0f173d30:
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/* f173d30: 03e00008 */ jr $ra
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/* f173d34: 24020001 */ addiu $v0,$zero,0x1
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.L0f173d38:
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/* f173d38: 18a00006 */ blez $a1,.L0f173d54
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/* f173d3c: 00003025 */ or $a2,$zero,$zero
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.L0f173d40:
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/* f173d40: 24630001 */ addiu $v1,$v1,0x1
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/* f173d44: 24c60001 */ addiu $a2,$a2,0x1
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/* f173d48: 00035843 */ sra $t3,$v1,0x1
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/* f173d4c: 14c5fffc */ bne $a2,$a1,.L0f173d40
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/* f173d50: 01601825 */ or $v1,$t3,$zero
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.L0f173d54:
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/* f173d54: 00601025 */ or $v0,$v1,$zero
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/* f173d58: 03e00008 */ jr $ra
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/* f173d5c: 00000000 */ nop
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);
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s32 texGetHeightAtLod(struct texloadthing *arg0, s32 lod)
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{
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s32 i;
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s32 height = arg0->height;
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if (lod == 0) {
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return height;
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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].heights[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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height = (height + 1) >> 1;
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}
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return height;
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}
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GLOBAL_ASM(
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glabel surface0f173d60
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@ -397,7 +370,7 @@ glabel surface0f173e10
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/* f173e10: 27bdffe0 */ addiu $sp,$sp,-32
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/* f173e14: afbf0014 */ sw $ra,0x14($sp)
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/* f173e18: afa40020 */ sw $a0,0x20($sp)
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/* f173e1c: 0fc5cf2e */ jal surface0f173cb8
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/* f173e1c: 0fc5cf2e */ jal texGetHeightAtLod
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/* f173e20: afa50024 */ sw $a1,0x24($sp)
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/* f173e24: afa2001c */ sw $v0,0x1c($sp)
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/* f173e28: 8fa40020 */ lw $a0,0x20($sp)
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@ -1111,7 +1084,7 @@ glabel surface0f1747a4
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/* f174840: 00402025 */ or $a0,$v0,$zero
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/* f174844: 00409825 */ or $s3,$v0,$zero
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/* f174848: 02a02025 */ or $a0,$s5,$zero
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/* f17484c: 0fc5cf2e */ jal surface0f173cb8
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/* f17484c: 0fc5cf2e */ jal texGetHeightAtLod
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/* f174850: 02402825 */ or $a1,$s2,$zero
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/* f174854: 0fc5cfc6 */ jal surface0f173f18
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/* f174858: 00402025 */ or $a0,$v0,$zero
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@ -1248,7 +1221,7 @@ glabel surface0f1747a4
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/* f174a44: 0019c080 */ sll $t8,$t9,0x2
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/* f174a48: 0218a021 */ addu $s4,$s0,$t8
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/* f174a4c: 02a02025 */ or $a0,$s5,$zero
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/* f174a50: 0fc5cf2e */ jal surface0f173cb8
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/* f174a50: 0fc5cf2e */ jal texGetHeightAtLod
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/* f174a54: 02402825 */ or $a1,$s2,$zero
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/* f174a58: 8faf00c8 */ lw $t7,0xc8($sp)
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/* f174a5c: 24010002 */ addiu $at,$zero,0x2
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@ -530,7 +530,7 @@ 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 = texGetWidthAtLod(s4, tile);
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height = surface0f173cb8(s4, tile);
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height = texGetHeightAtLod(s4, tile);
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} else {
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if (width >= 2) {
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width >>= 1;
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@ -11,7 +11,7 @@ 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 texGetWidthAtLod(struct texloadthing *arg0, s32 arg1);
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s32 surface0f173cb8(struct texloadthing *arg0, s32 arg1);
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s32 texGetHeightAtLod(struct texloadthing *arg0, s32 arg1);
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u32 surface0f173d60(void);
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u32 surface0f173e10(void);
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void surface0f173e50(struct texloadthing *arg0, s32 *arg1, s32 *arg2);
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