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https://github.com/blawar/GLideN64.git
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80 lines
2.8 KiB
C
80 lines
2.8 KiB
C
#ifndef _FRAME_BUFFER_INFO_API_H_
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#define _FRAME_BUFFER_INFO_API_H_
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#ifdef OS_WINDOWS
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#define EXPORT __declspec(dllexport)
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#define CALL __cdecl
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#else
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#define EXPORT __attribute__((visibility("default")))
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#define CALL
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#endif
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/******************************************************************
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Function: FrameBufferWrite
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Purpose: This function is called to notify the dll that the
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frame buffer has been modified by CPU at the given address.
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input: addr rdram address
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size 1 = unsigned char, 2 = unsigned short, 4=unsigned int
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output: none
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*******************************************************************/
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EXPORT void CALL FBWrite(unsigned int addr, unsigned int size);
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struct FrameBufferModifyEntry;
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/******************************************************************
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Function: FrameBufferWriteList
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Purpose: This function is called to notify the dll that the
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frame buffer has been modified by CPU at the given address.
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input: FrameBufferModifyEntry *plist
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size = size of the plist, max = 1024
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output: none
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*******************************************************************/
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EXPORT void CALL FBWList(FrameBufferModifyEntry *plist, unsigned int size);
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/******************************************************************
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Function: FrameBufferRead
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Purpose: This function is called to notify the dll that the
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frame buffer memory is beening read at the given address.
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DLL should copy content from its render buffer to the frame buffer
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in N64 RDRAM
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DLL is responsible to maintain its own frame buffer memory addr list
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DLL should copy 4KB block content back to RDRAM frame buffer.
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Emulator should not call this function again if other memory
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is read within the same 4KB range
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input: addr rdram address
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output: none
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*******************************************************************/
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EXPORT void CALL FBRead(unsigned int addr);
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/************************************************************************
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Function: FBGetFrameBufferInfo
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Purpose: This function is called by the emulator core to retrieve depth
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buffer information from the video plugin in order to be able
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to notify the video plugin about CPU depth buffer read/write
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operations
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size:
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= 1 byte
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= 2 word (16 bit) <-- this is N64 default depth buffer format
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= 4 dword (32 bit)
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when depth buffer information is not available yet, set all values
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in the FrameBufferInfo structure to 0
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input: FrameBufferInfo *pinfo
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pinfo is pointed to a FrameBufferInfo structure which to be
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filled in by this function
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output: Values are return in the FrameBufferInfo structure
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************************************************************************/
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EXPORT void CALL FBGetFrameBufferInfo(void *pinfo);
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#if defined(__cplusplus)
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}
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#endif
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#endif // _FRAME_BUFFER_INFO_API_H_
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