mtxstack.h

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#pragma once
#include "maths.h"
 
#define C3D_MTXSTACK_SIZE 8
 
typedef struct
{
    C3D_Mtx m[C3D_MTXSTACK_SIZE];
    int pos;
    u8 unifType, unifPos, unifLen;
    bool isDirty;
} C3D_MtxStack;
 
static inline C3D_Mtx* MtxStack_Cur(C3D_MtxStack* stk)
{
    stk->isDirty = true;
    return &stk->m[stk->pos];
}
 
void MtxStack_Init(C3D_MtxStack* stk);
void MtxStack_Bind(C3D_MtxStack* stk, GPU_SHADER_TYPE unifType, int unifPos, int unifLen);
C3D_Mtx* MtxStack_Push(C3D_MtxStack* stk);
C3D_Mtx* MtxStack_Pop(C3D_MtxStack* stk);
void MtxStack_Update(C3D_MtxStack* stk);