110 lines
3.7 KiB
C
110 lines
3.7 KiB
C
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// AVS APE (Plug-in Effect) header
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// base class to derive from
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class C_RBASE {
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public:
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C_RBASE() { }
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virtual ~C_RBASE() { };
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virtual int render(char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h)=0; // returns 1 if fbout has dest, 0 if framebuffer has dest
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virtual HWND conf(HINSTANCE hInstance, HWND hwndParent){return 0;};
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virtual char *get_desc()=0;
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virtual void load_config(unsigned char *data, int len) { }
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virtual int save_config(unsigned char *data) { return 0; }
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};
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// if you want to support SMP rendering, you can derive from this class instead,
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// and expose the creator via: _AVS_APE_RetrFuncEXT2
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// (in general, exposing both for compatibility is a good idea)
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class C_RBASE2 : public C_RBASE {
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public:
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C_RBASE2() { }
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virtual ~C_RBASE2() { };
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int getRenderVer2() { return 2; }
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virtual int smp_getflags() { return 0; } // return 1 to enable smp support
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// returns # of threads you desire, <= max_threads, or 0 to not do anything
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// default should return max_threads if you are flexible
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virtual int smp_begin(int max_threads, char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h) { return 0; }
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virtual void smp_render(int this_thread, int max_threads, char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h) { };
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virtual int smp_finish(char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h) { return 0; }; // return value is that of render() for fbstuff etc
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};
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// lovely helper functions for blending
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static unsigned int __inline BLEND(unsigned int a, unsigned int b)
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{
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register unsigned int r,t;
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r=(a&255)+((b)&255);
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t=min(r,255);
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r=((a>>8)&255)+((b>>8)&255);
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t|=min(r,255)<<8;
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r=((a>>16)&255)+((b>>16)&255);
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return t|min(r,255)<<16;
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}
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static unsigned int __inline BLEND_AVG(unsigned int a, unsigned int b)
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{
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return ((a>>1)&~((1<<7)|(1<<15)|(1<<23)))+((b>>1)&~((1<<7)|(1<<15)|(1<<23)));
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}
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//extended APE stuff
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// to use this, you should have:
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// APEinfo *g_extinfo;
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// void __declspec(dllexport) AVS_APE_SetExtInfo(HINSTANCE hDllInstance, APEinfo *ptr)
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// {
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// g_extinfo = ptr;
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// }
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typedef void *VM_CONTEXT;
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typedef void *VM_CODEHANDLE;
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typedef struct
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{
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int ver; // ver=1 to start
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double *global_registers; // 100 of these
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// lineblendmode: 0xbbccdd
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// bb is line width (minimum 1)
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// dd is blend mode:
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// 0=replace
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// 1=add
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// 2=max
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// 3=avg
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// 4=subtractive (1-2)
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// 5=subtractive (2-1)
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// 6=multiplicative
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// 7=adjustable (cc=blend ratio)
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// 8=xor
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// 9=minimum
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int *lineblendmode;
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//evallib interface
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VM_CONTEXT (*allocVM)(); // return a handle
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void (*freeVM)(VM_CONTEXT); // free when done with a VM and ALL of its code have been freed, as well
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// you should only use these when no code handles are around (i.e. it's okay to use these before
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// compiling code, or right before you are going to recompile your code.
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void (*resetVM)(VM_CONTEXT);
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double * (*regVMvariable)(VM_CONTEXT, char *name);
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// compile code to a handle
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VM_CODEHANDLE (*compileVMcode)(VM_CONTEXT, char *code);
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// execute code from a handle
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void (*executeCode)(VM_CODEHANDLE, char visdata[2][2][576]);
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// free a code block
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void (*freeCode)(VM_CODEHANDLE);
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// requires ver >= 2
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void (*doscripthelp)(HWND hwndDlg,char *mytext); // mytext can be NULL for no custom page
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/// requires ver >= 3
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void *(*getNbuffer)(int w, int h, int n, int do_alloc); // do_alloc should be 0 if you dont want it to allocate if empty
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// w and h should be the current width and height
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// n should be 0-7
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} APEinfo;
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