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project64/Source/Project64-video/Gfx_1.3.h

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/***************************************************************************
* *
* Project64-video - A Nintendo 64 gfx plugin. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2017 Project64. All rights reserved. *
* Copyright (C) 2003-2009 Sergey 'Gonetz' Lipski *
* Copyright (C) 2002 Dave2001 *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* version 2 of the License, or (at your option) any later version. *
* *
****************************************************************************/
#pragma once
#include "winlnxdefs.h"
#include <stdio.h>
#include <fstream>
#include <stdlib.h>
#include <stddef.h> // offsetof
#include <glide.h>
#include <Common/MemTest.h>
#include "GlideExtensions.h"
#include "rdp.h"
#include "Config.h"
#include "Settings.h"
#if defined __VISUALC__
typedef unsigned char boolean;
#define GLIDE64_TRY __try
#define GLIDE64_CATCH __except (EXCEPTION_EXECUTE_HANDLER)
#else
#define GLIDE64_TRY try
#define GLIDE64_CATCH catch (...)
#endif
#if defined(__cplusplus)
extern "C" {
#endif
#define _ENDUSER_RELEASE_
//********
// Logging
// ********************************
// ** TAKE OUT BEFORE RELEASE!!! **
//#define LOG_UCODE
// note that some of these things are inserted/removed
// 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.
#ifndef _ENDUSER_RELEASE_
#endif
//#define SHOW_FULL_TEXVIEWER // shows the entire contents of the texture in the cache viewer,
// usually used to debug clamping issues.
// Usually enabled
#define LARGE_TEXTURE_HANDLING // allow large-textured objects to be split?
// Simulations
//#define SIMULATE_VOODOO1
//#define SIMULATE_BANSHEE
//********
extern unsigned int BMASK;
#define WMASK 0x3FFFFF
#define DMASK 0x1FFFFF
extern uint32_t update_screen_count;
//#define PERFORMANCE
#ifdef PERFORMANCE
extern int64 perf_cur;
extern int64 perf_next;
#endif
extern int GfxInitDone;
extern bool g_romopen;
extern int to_fullscreen;
extern int evoodoo;
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 NULL */
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 * DMEM;
uint8_t * IMEM;
uint32_t * MI_INTR_REG;
uint32_t * DPC_START_REG;
uint32_t * DPC_END_REG;
uint32_t * DPC_CURRENT_REG;
uint32_t * DPC_STATUS_REG;
uint32_t * DPC_CLOCK_REG;
uint32_t * DPC_BUFBUSY_REG;
uint32_t * DPC_PIPEBUSY_REG;
uint32_t * DPC_TMEM_REG;
uint32_t * VI_STATUS_REG;
uint32_t * VI_ORIGIN_REG;
uint32_t * VI_WIDTH_REG;
uint32_t * VI_INTR_REG;
uint32_t * VI_V_CURRENT_LINE_REG;
uint32_t * VI_TIMING_REG;
uint32_t * VI_V_SYNC_REG;
uint32_t * VI_H_SYNC_REG;
uint32_t * VI_LEAP_REG;
uint32_t * VI_H_START_REG;
uint32_t * VI_V_START_REG;
uint32_t * VI_V_BURST_REG;
uint32_t * VI_X_SCALE_REG;
uint32_t * VI_Y_SCALE_REG;
void(*CheckInterrupts)(void);
#ifdef ANDROID
void(CALL *SwapBuffers)(void);
#endif
} GFX_INFO;
extern GFX_INFO gfx;
extern bool no_dlist;
typedef void (FX_CALL *GRCOLORCOMBINEEXT) (GrCCUColor_t a,
GrCombineMode_t a_mode,
GrCCUColor_t b,
GrCombineMode_t b_mode,
GrCCUColor_t c,
FxBool c_invert,
GrCCUColor_t d,
FxBool d_invert,
FxU32 shift,
FxBool invert);
typedef void (FX_CALL *GRTEXCOLORCOMBINEEXT) (GrChipID_t tmu,
GrTCCUColor_t a,
GrCombineMode_t a_mode,
GrTCCUColor_t b,
GrCombineMode_t b_mode,
GrTCCUColor_t c,
FxBool c_invert,
GrTCCUColor_t d,
FxBool d_invert,
FxU32 shift,
FxBool invert);
typedef void (FX_CALL *GRCONSTANTCOLORVALUEEXT)
(GrChipID_t tmu,
GrColor_t value);
typedef void (FX_CALL *GRSTIPPLE)(FxI32 mode);
typedef int(*GETTEXADDR)(int tmu, int texsize);
extern GETTEXADDR GetTexAddr;
#ifndef GR_STIPPLE_DISABLE
#define GR_STIPPLE_DISABLE 0x0
#define GR_STIPPLE_PATTERN 0x1
#define GR_STIPPLE_ROTATE 0x2
#endif
/******************************************************************
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(char * Directory);
/******************************************************************
Function: ChangeWindow
Purpose: to change the window between fullscreen and window
mode. If the window was in fullscreen this should
change the screen to window mode and vice vesa.
input: none
output: none
*******************************************************************/
EXPORT void CALL ChangeWindow(void);
/******************************************************************
Function: CloseDLL
Purpose: This function is called when the emulator is closing
down allowing the dll to de-initialise.
input: none
output: none
*******************************************************************/
EXPORT void CALL CloseDLL(void);
/******************************************************************
Function: DllAbout
Purpose: This function is optional function that is provided
to give further information about the DLL.
input: a handle to the window that calls this function
output: none
*******************************************************************/
EXPORT void CALL DllAbout(void * hParent);
/******************************************************************
Function: DllConfig
Purpose: This function is optional function that is provided
to allow the user to configure the dll
input: a handle to the window that calls this function
output: none
*******************************************************************/
EXPORT void CALL DllConfig(void * hParent);
/******************************************************************
Function: DllTest
Purpose: This function is optional function that is provided
to allow the user to test the dll
input: a handle to the window that calls this function
output: none
*******************************************************************/
EXPORT void CALL DllTest(void * hParent);
EXPORT void CALL ReadScreen(void **dest, int *width, int *height);
/******************************************************************
Function: DrawScreen
Purpose: This function is called when the emulator receives a
WM_PAINT message. This allows the gfx to fit in when
it is being used in the desktop.
input: none
output: none
*******************************************************************/
EXPORT void CALL DrawScreen(void);
/******************************************************************
Function: GetDllInfo
Purpose: This function allows the emulator to gather information
about the dll by filling in the PluginInfo structure.
input: a pointer to a PLUGIN_INFO stucture that needs to be
filled by the function. (see def above)
output: none
*******************************************************************/
EXPORT void CALL GetDllInfo(PLUGIN_INFO * PluginInfo);
/******************************************************************
Function: InitiateGFX
Purpose: This function is called when the DLL is started to give
information from the emulator that the n64 graphics
uses. This is not called from the emulation thread.
Input: Gfx_Info is passed to this function which is defined
above.
Output: TRUE on success
FALSE on failure to initialise
** note on interrupts **:
To generate an interrupt set the appropriate bit in MI_INTR_REG
and then call the function CheckInterrupts to tell the emulator
that there is a waiting interrupt.
*******************************************************************/
EXPORT int CALL InitiateGFX(GFX_INFO Gfx_Info);
/******************************************************************
Function: MoveScreen
Purpose: This function is called in response to the emulator
receiving a WM_MOVE passing the xpos and ypos passed
from that message.
input: xpos - the x-coordinate of the upper-left corner of the
client area of the window.
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: 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
/******************************************************************
Function: SurfaceCreated
Purpose: this function is called when the surface is created.
input: none
output: none
*******************************************************************/
EXPORT void CALL SurfaceCreated(void);
/******************************************************************
Function: SurfaceChanged
Purpose: this function is called when the surface is has changed.
input: none
output: none
*******************************************************************/
EXPORT void CALL SurfaceChanged(int width, int height);
#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)
}
#endif
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