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Plugin Spec: Fix up video plugin spec

This commit is contained in:
zilmar 2022-07-04 19:58:30 +09:30
parent c3f83ede0b
commit 3576bb2b7a
1 changed files with 153 additions and 377 deletions
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474
Source/Project64-plugin-spec/Video.h
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@ -1,109 +1,18 @@
// Project64 - A Nintendo 64 emulator
// http://www.pj64-emu.com/
// Copyright(C) 2001-2021 Project64
// Copyright(C) 2003-2009 Sergey 'Gonetz' Lipski
// Copyright(C) 2002 Dave2001
// GNU/GPLv2 licensed: https://gnu.org/licenses/gpl-2.0.html
#pragma once #pragma once
#include "base.h"
#include <stdio.h>
#include <fstream>
#include <stdlib.h>
#include <stddef.h> // offsetof
#include <Common/MemTest.h>
#include "Config.h"
#include "Settings.h"
#include "rdp.h"
#if defined __VISUALC__
#define GLIDE64_TRY __try
#define GLIDE64_CATCH __except (EXCEPTION_EXECUTE_HANDLER)
#else
#define GLIDE64_TRY try
#define GLIDE64_CATCH catch (...)
#endif
#if defined(__cplusplus) #if defined(__cplusplus)
extern "C" { extern "C" {
#endif #endif
//******** typedef struct
// Logging {
void * hWnd;
void * hStatusBar;
// ******************************** int32_t Reserved;
// ** TAKE OUT BEFORE RELEASE!!! **
//#define LOG_UCODE
// note that some of these things are inserted/removed uint8_t * HEADER;
// from within the code & may not be changed by this define.
// ********************************
//#define CATCH_EXCEPTIONS // catch exceptions so it doesn't freeze and will report
// "The gfx plugin has caused an exception" instead.
// Usually enabled
#define LARGE_TEXTURE_HANDLING // allow large-textured objects to be split?
extern unsigned int BMASK;
extern uint32_t update_screen_count;
extern int GfxInitDone;
extern bool g_romopen;
extern int to_fullscreen;
extern int ev_fullscreen;
extern int exception;
int InitGfx();
void ReleaseGfx();
// The highest 8 bits are the segment # (1-16), and the lower 24 bits are the offset to
// add to it.
__inline uint32_t segoffset(uint32_t so)
{
return (rdp.segment[(so >> 24) & 0x0f] + (so&BMASK))&BMASK;
}
/* Plugin types */
#define PLUGIN_TYPE_GFX 2
#ifdef _WIN32
#define EXPORT extern "C" __declspec(dllexport)
#define CALL __cdecl
#else
#define EXPORT __attribute__((visibility("default")))
#define CALL
#endif
/***** Structures *****/
typedef struct
{
uint16_t Version; /* Set to 0x0103 */
uint16_t Type; /* Set to PLUGIN_TYPE_GFX */
char Name[100]; /* Name of the DLL */
/* If DLL supports memory these memory options then set them to TRUE or FALSE
if it does not support it */
int NormalMemory; /* a normal uint8_t array */
int MemoryBswaped; /* a normal uint8_t array where the memory has been pre
bswap on a dword (32 bits) boundry */
} PLUGIN_INFO;
typedef struct
{
void * hWnd; /* Render window */
void * hStatusBar; /* if render window does not have a status bar then this is nullptr */
int32_t MemoryBswaped; // If this is set to TRUE, then the memory has been pre
// bswap on a dword (32 bits) boundry
// eg. the first 8 bytes are stored like this:
// 4 3 2 1 8 7 6 5
uint8_t * HEADER; // This is the rom header (first 40h bytes of the rom
// This will be in the same memory format as the rest of the memory.
uint8_t * RDRAM; uint8_t * RDRAM;
uint8_t * DMEM; uint8_t * DMEM;
uint8_t * IMEM; uint8_t * IMEM;
@ -138,272 +47,139 @@ extern "C" {
#ifdef ANDROID #ifdef ANDROID
void(CALL *SwapBuffers)(void); void(CALL *SwapBuffers)(void);
#endif #endif
} GFX_INFO; } GFX_INFO;
extern GFX_INFO gfx; /*
extern bool no_dlist; Function: CaptureScreen
Purpose: This function dumps the current frame to a file
Input: pointer to the directory to save the file to
Output: none
*/
EXPORT void CALL CaptureScreen(const char * Directory);
/****************************************************************** /*
Function: CaptureScreen Function: ChangeWindow
Purpose: This function dumps the current frame to a file Purpose: to change the window between fullscreen and window
input: pointer to the directory to save the file to mode. If the window was in fullscreen this should
output: none change the screen to window mode and vice vesa.
*******************************************************************/ Input: none
EXPORT void CALL CaptureScreen(char * Directory); Output: none
*/
EXPORT void CALL ChangeWindow(void);
/****************************************************************** /*
Function: ChangeWindow Function: DrawScreen
Purpose: to change the window between fullscreen and window Purpose: This function is called when the emulator receives a
mode. If the window was in fullscreen this should WM_PAINT message. This allows the gfx to fit in when
change the screen to window mode and vice vesa. it is being used in the desktop.
input: none Input: none
output: none Output: none
*******************************************************************/ */
EXPORT void CALL ChangeWindow(void); EXPORT void CALL DrawScreen(void);
/****************************************************************** /*
Function: CloseDLL Function: InitiateGFX
Purpose: This function is called when the emulator is closing Purpose: This function is called when the DLL is started to give
down allowing the dll to de-initialise. information from the emulator that the n64 graphics
input: none uses. This is not called from the emulation thread.
output: none Input: Gfx_Info is passed to this function which is defined
*******************************************************************/ above.
EXPORT void CALL CloseDLL(void); Output: TRUE on success
FALSE on failure to initialise
/****************************************************************** ** note on interrupts **:
Function: DllAbout To generate an interrupt set the appropriate bit in MI_INTR_REG
Purpose: This function is optional function that is provided and then call the function CheckInterrupts to tell the emulator
to give further information about the DLL. that there is a waiting interrupt.
input: a handle to the window that calls this function */
output: none EXPORT int CALL InitiateGFX(GFX_INFO Gfx_Info);
*******************************************************************/
EXPORT void CALL DllAbout(void * hParent);
/****************************************************************** /*
Function: DllConfig Function: MoveScreen
Purpose: This function is optional function that is provided Purpose: This function is called in response to the emulator
to allow the user to configure the dll receiving a WM_MOVE passing the xpos and ypos passed
input: a handle to the window that calls this function from that message.
output: none Input: xpos - the x-coordinate of the upper-left corner of the
*******************************************************************/ client area of the window.
EXPORT void CALL DllConfig(void * hParent); ypos - y-coordinate of the upper-left corner of the
client area of the window.
Output: none
*/
EXPORT void CALL MoveScreen(int xpos, int ypos);
/****************************************************************** /*
Function: DllTest Function: ProcessDList
Purpose: This function is optional function that is provided Purpose: This function is called when there is a Dlist to be
to allow the user to test the dll processed. (High level GFX list)
input: a handle to the window that calls this function Input: none
output: none Output: none
*******************************************************************/ */
EXPORT void CALL DllTest(void * hParent); EXPORT void CALL ProcessDList(void);
/****************************************************************** /*
Function: DrawScreen Function: ProcessRDPList
Purpose: This function is called when the emulator receives a Purpose: This function is called when there is a Dlist to be
WM_PAINT message. This allows the gfx to fit in when processed. (Low level GFX list)
it is being used in the desktop. Input: none
input: none Output: none
output: none */
*******************************************************************/ EXPORT void CALL ProcessRDPList(void);
EXPORT void CALL DrawScreen(void);
/****************************************************************** /*
Function: GetDllInfo Function: ShowCFB
Purpose: This function allows the emulator to gather information Purpose: Useally once Dlists are started being displayed, cfb is
about the dll by filling in the PluginInfo structure. ignored. This function tells the dll to start displaying
input: a pointer to a PLUGIN_INFO stucture that needs to be them again.
filled by the function. (see def above) Input: none
output: none Output: none
*******************************************************************/ */
EXPORT void CALL GetDllInfo(PLUGIN_INFO * PluginInfo); EXPORT void CALL ShowCFB(void);
/****************************************************************** /*
Function: InitiateGFX Function: UpdateScreen
Purpose: This function is called when the DLL is started to give Purpose: This function is called in response to a vsync of the
information from the emulator that the n64 graphics screen were the VI bit in MI_INTR_REG has already been
uses. This is not called from the emulation thread. set
Input: Gfx_Info is passed to this function which is defined Input: none
above. Output: none
Output: TRUE on success */
FALSE on failure to initialise EXPORT void CALL UpdateScreen(void);
** note on interrupts **: /*
To generate an interrupt set the appropriate bit in MI_INTR_REG Function: ViStatusChanged
and then call the function CheckInterrupts to tell the emulator Purpose: This function is called to notify the dll that the
that there is a waiting interrupt. ViStatus registers value has been changed.
*******************************************************************/ Input: none
EXPORT int CALL InitiateGFX(GFX_INFO Gfx_Info); Output: none
*/
EXPORT void CALL ViStatusChanged(void);
/****************************************************************** /*
Function: MoveScreen Function: ViWidthChanged
Purpose: This function is called in response to the emulator Purpose: This function is called to notify the dll that the
receiving a WM_MOVE passing the xpos and ypos passed ViWidth registers value has been changed.
from that message. Input: none
input: xpos - the x-coordinate of the upper-left corner of the Output: none
client area of the window. */
ypos - y-coordinate of the upper-left corner of the EXPORT void CALL ViWidthChanged(void);
client area of the window.
output: none
*******************************************************************/
EXPORT void CALL MoveScreen(int xpos, int ypos);
/******************************************************************
Function: ProcessDList
Purpose: This function is called when there is a Dlist to be
processed. (High level GFX list)
input: none
output: none
*******************************************************************/
EXPORT void CALL ProcessDList(void);
/******************************************************************
Function: ProcessRDPList
Purpose: This function is called when there is a Dlist to be
processed. (Low level GFX list)
input: none
output: none
*******************************************************************/
EXPORT void CALL ProcessRDPList(void);
/******************************************************************
Function: RomClosed
Purpose: This function is called when a rom is closed.
input: none
output: none
*******************************************************************/
EXPORT void CALL RomClosed(void);
/******************************************************************
Function: RomOpen
Purpose: This function is called when a rom is open. (from the
emulation thread)
input: none
output: none
*******************************************************************/
EXPORT void CALL RomOpen(void);
/******************************************************************
Function: ShowCFB
Purpose: Useally once Dlists are started being displayed, cfb is
ignored. This function tells the dll to start displaying
them again.
input: none
output: none
*******************************************************************/
EXPORT void CALL ShowCFB(void);
/******************************************************************
Function: UpdateScreen
Purpose: This function is called in response to a vsync of the
screen were the VI bit in MI_INTR_REG has already been
set
input: none
output: none
*******************************************************************/
EXPORT void CALL UpdateScreen(void);
/******************************************************************
Function: ViStatusChanged
Purpose: This function is called to notify the dll that the
ViStatus registers value has been changed.
input: none
output: none
*******************************************************************/
EXPORT void CALL ViStatusChanged(void);
/******************************************************************
Function: ViWidthChanged
Purpose: This function is called to notify the dll that the
ViWidth registers value has been changed.
input: none
output: none
*******************************************************************/
EXPORT void CALL ViWidthChanged(void);
#ifdef ANDROID #ifdef ANDROID
/****************************************************************** /*
Function: SurfaceCreated Function: SurfaceCreated
Purpose: this function is called when the surface is created. Purpose: this function is called when the surface is created.
input: none Input: none
output: none Output: none
*******************************************************************/ */
EXPORT void CALL SurfaceCreated(void); EXPORT void CALL SurfaceCreated(void);
/******************************************************************
Function: SurfaceChanged /*
Purpose: this function is called when the surface is has changed. Function: SurfaceChanged
input: none Purpose: this function is called when the surface is has changed.
output: none Input: none
*******************************************************************/ Output: none
EXPORT void CALL SurfaceChanged(int width, int height); */
EXPORT void CALL SurfaceChanged(int width, int height);
#endif #endif
/******************************************************************
Function: FrameBufferWrite
Purpose: This function is called to notify the dll that the
frame buffer has been modified by CPU at the given address.
input: addr rdram address
val val
size 1 = uint8_t, 2 = uint16_t, 4 = uint32_t
output: none
*******************************************************************/
EXPORT void CALL FBWrite(uint32_t, uint32_t);
typedef struct
{
uint32_t addr;
uint32_t val;
uint32_t size; // 1 = uint8_t, 2 = uint16_t, 4=uint32_t
} FrameBufferModifyEntry;
/******************************************************************
Function: FrameBufferWriteList
Purpose: This function is called to notify the dll that the
frame buffer has been modified by CPU at the given address.
input: FrameBufferModifyEntry *plist
size = size of the plist, max = 1024
output: none
*******************************************************************/
EXPORT void CALL FBWList(FrameBufferModifyEntry *plist, uint32_t size);
/******************************************************************
Function: FrameBufferRead
Purpose: This function is called to notify the dll that the
frame buffer memory is beening read at the given address.
DLL should copy content from its render buffer to the frame buffer
in N64 RDRAM
DLL is responsible to maintain its own frame buffer memory addr list
DLL should copy 4KB block content back to RDRAM frame buffer.
Emulator should not call this function again if other memory
is read within the same 4KB range
input: addr rdram address
val val
size 1 = uint8_t, 2 = uint16_t, 4 = uint32_t
output: none
*******************************************************************/
EXPORT void CALL FBRead(uint32_t addr);
/************************************************************************
Function: FBGetFrameBufferInfo
Purpose: This function is called by the emulator core to retrieve depth
buffer information from the video plugin in order to be able
to notify the video plugin about CPU depth buffer read/write
operations
size:
= 1 byte
= 2 word (16 bit) <-- this is N64 default depth buffer format
= 4 dword (32 bit)
when depth buffer information is not available yet, set all values
in the FrameBufferInfo structure to 0
input: FrameBufferInfo *pinfo
pinfo is pointed to a FrameBufferInfo structure which to be
filled in by this function
output: Values are return in the FrameBufferInfo structure
************************************************************************/
EXPORT void CALL FBGetFrameBufferInfo(void *pinfo);
EXPORT void CALL PluginLoaded(void);
#if defined(__cplusplus) #if defined(__cplusplus)
} }