342 lines
8.5 KiB
C
342 lines
8.5 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "lib/ivis_common/rendmode.h"
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#include "lib/ivis_common/pieclip.h"
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#include "lib/ivis_common/rendfunc.h"
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#include "lib/ivis_common/textdraw.h"
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#include "lib/ivis_common/bug.h"
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#include "lib/ivis_common/piepalette.h"
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#include "lib/ivis_common/piestate.h"
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#include "lib/ivis_common/ivispatch.h"
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#include "lib/framework/fractions.h"
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//*************************************************************************
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void (*iV_VSync)(void);
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//*************************************************************************
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iSurface rendSurface;
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iSurface *psRendSurface;
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static int g_mode = REND_UNDEFINED;
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//*************************************************************************
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static uint8 *_VIDEO_MEM;
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static int32 _VIDEO_SIZE;
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static iBool _VIDEO_LOCK;
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//*************************************************************************
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//temporary definition
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//void (*iV_pPolygon)(int npoints, iVertex *vrt, iTexture *tex, uint32 type);
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//void (*iV_pTriangle)(iVertex *vrt, iTexture *tex, uint32 type);
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void (*iV_ppBitmapColourTrans)(iBitmap *bmp, int x, int y, int w, int h, int ow,int ColourIndex);
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//void (*iV_DrawStretchImage)(IMAGEFILE *ImageFile,UWORD ID,int x,int y,int Width,int Height);
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//*************************************************************************
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//*************************************************************************
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//*** return mode size in bytes
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//*
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//*
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//******
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int32 iV_VideoMemorySize(int mode)
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{
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UDWORD size;
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size = pie_GetVideoBufferWidth() * pie_GetVideoBufferHeight();
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return size;
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}
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//*************************************************************************
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//*** allocate and lock video memory (call only once!)
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//*
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//*
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//******
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iBool iV_VideoMemoryLock(int mode)
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{
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int32 size;
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if ((size = iV_VideoMemorySize(mode)) == 0)
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return FALSE;
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if ((_VIDEO_MEM = (uint8 *) iV_HeapAlloc(size)) == NULL)
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return(0);
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_VIDEO_SIZE = size;
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_VIDEO_LOCK = TRUE;
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printf("vid[VideoMemoryLock] = locked %dK of video memory\n",size/1024);
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return TRUE;
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}
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//*************************************************************************
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//***
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//*
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//*
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//******
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void iV_VideoMemoryFree(void)
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{
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if (_VIDEO_LOCK) {
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iV_DEBUG0("vid[VideoMemoryFree] = video memory not freed (locked)\n");
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return;
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}
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if (_VIDEO_MEM) {
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iV_HeapFree(_VIDEO_MEM,_VIDEO_SIZE);
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_VIDEO_MEM = NULL;
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_VIDEO_SIZE = 0;
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iV_DEBUG0("vid[VideoMemoryFree] = video memory freed\n");
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}
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}
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//*************************************************************************
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//***
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//*
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//*
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//******
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void iV_VideoMemoryUnlock(void)
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{
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if (_VIDEO_LOCK)
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_VIDEO_LOCK = FALSE;
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iV_DEBUG0("vid[VideoMemoryUnlock] = video memory unlocked\n");
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iV_VideoMemoryFree();
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}
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//*************************************************************************
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//***
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//*
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//*
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//******
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uint8 *iV_VideoMemoryAlloc(int mode)
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{
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int32 size;
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size = iV_VideoMemorySize(mode);
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if (size == 0)
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return NULL;
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if (_VIDEO_LOCK) {
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if (size <= _VIDEO_SIZE)
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return _VIDEO_MEM;
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iV_DEBUG0("vid[VideoMemoryAlloc] = memory locked with smaller size than required!\n");
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return NULL;
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}
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if ((_VIDEO_MEM = (uint8 *) iV_HeapAlloc(size)) == NULL)
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return NULL;
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_VIDEO_SIZE = size;
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iV_DEBUG1("vid[VideoMemoryAlloc] = allocated %dK video memory\n",size/1024);
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return _VIDEO_MEM;
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}
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//*************************************************************************
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//***
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//*
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//*
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//******
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iSurface *iV_SurfaceCreate(uint32 flags, int width, int height, int xp, int yp, uint8 *buffer)
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{
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iSurface *s;
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int i;
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assert(buffer!=NULL); // on playstation this MUST be null
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if ((s = (iSurface *) iV_HeapAlloc(sizeof(iSurface))) == NULL)
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return NULL;
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s->flags = flags;
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s->xcentre = width>>1;
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s->ycentre = height>>1;
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s->xpshift = xp;
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s->ypshift = yp;
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s->width = width;
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s->height = height;
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s->size = width * height;
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s->buffer = buffer;
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for (i=0; i<iV_SCANTABLE_MAX; i++)
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s->scantable[i] = i * width;
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s->clip.left = 0;
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s->clip.right = width-1;
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s->clip.top = 0;
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s->clip.bottom = height-1;
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iV_DEBUG2("vid[SurfaceCreate] = created surface width %d, height %d\n",width,height);
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return s;
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}
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// user must free s->buffer before calling
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void iV_SurfaceDestroy(iSurface *s)
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{
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// if renderer assigned to surface
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if (psRendSurface == s)
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psRendSurface = NULL;
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if (s)
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iV_HeapFree(s,sizeof(iSurface));
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}
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//*************************************************************************
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//*** assign renderer
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//*
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//* params mode = render mode (screen/user) see iV_MODE_...
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//*
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//******
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void rend_Assign(int mode, iSurface *s)
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{
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iV_RenderAssign(mode, s);
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/* Need to look into this - won't the unwanted called still set render surface? */
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psRendSurface = s;
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}
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// pre VideoOpen
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void rend_AssignScreen(void)
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{
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iV_RenderAssign(rendSurface.usr,&rendSurface);
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}
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int iV_GetDisplayWidth(void)
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{
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return rendSurface.width;
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}
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int iV_GetDisplayHeight(void)
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{
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return rendSurface.height;
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}
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//*************************************************************************
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//
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// function pointers for render assign
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//
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//*************************************************************************
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//void (*pie_VideoShutDown)(void);
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//void (*iV_Clear)(uint32 colour);
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//void (*iV_RenderEnd)(void);
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//void (*iV_RenderBegin)(void);
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//void (*iV_Palette)(int i, int r, int g, int b);
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//void (*pie_Draw3DShape)(iIMDShape *shape, int frame, int team, UDWORD colour, UDWORD specular, int pieFlag, int pieData);
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void (*iV_pLine)(int x0, int y0, int x1, int y1, uint32 colour);
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//void (*iV_Line)(int x0, int y0, int x1, int y1, uint32 colour);
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//void (*iV_Polygon)(int npoints, iVertex *vrt, iTexture *tex, uint32 type);
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//void (*iV_Triangle)(iVertex *vrt, iTexture *tex, uint32 type);
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//void (*iV_TransPolygon)(int num, iVertex *vrt);
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void (*iV_TransTriangle)(iVertex *vrt);
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//void (*iV_Box)(int x0,int y0, int x1, int y1, uint32 colour);
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//void (*iV_BoxFill)(int x0, int y0, int x1, int y1, uint32 colour);
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//void (*iV_DownloadDisplayBuffer)(UBYTE *DisplayBuffer);
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//void (*pie_DownLoadRadar)(unsigned char *buffer);
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//void (*iV_TransBoxFill)(SDWORD x0, SDWORD y0, SDWORD x1, SDWORD y1);
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//void (*iV_UniTransBoxFill)(SDWORD x0,SDWORD y0, SDWORD x1, SDWORD y1, UDWORD rgb, UDWORD transparency);
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//void (*iV_DrawImage)(IMAGEFILE *ImageFile,UWORD ID,int x,int y);
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//void (*iV_DrawImageRect)(IMAGEFILE *ImageFile,UWORD ID,int x,int y,int x0,int y0,int Width,int Height);
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//void (*iV_DrawTransImage)(IMAGEFILE *ImageFile,UWORD ID,int x,int y);
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//void (*iV_DrawTransImageRect)(IMAGEFILE *ImageFile,UWORD ID,int x,int y,int x0,int y0,int Width,int Height);
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//void (*iV_DrawSemiTransImageDef)(IMAGEDEF *Image,iBitmap *Bmp,UDWORD Modulus,int x,int y,int TransRate);
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//void (*iV_DrawStretchImage)(IMAGEFILE *ImageFile,UWORD ID,int x,int y,int Width,int Height);
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void (*iV_ppBitmap)(iBitmap *bmp, int x, int y, int w, int h, int ow);
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void (*iV_ppBitmapTrans)(iBitmap *bmp, int x, int y, int w, int h, int ow);
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void (*iV_SetTransFilter)(UDWORD rgb,UDWORD tablenumber);
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//void (*iV_DrawColourTransImage)(IMAGEFILE *ImageFile,UWORD ID,int x,int y,UWORD ColourIndex);
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void (*iV_UniBitmapDepth)(int texPage, int u, int v, int srcWidth, int srcHeight,
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int x, int y, int destWidth, int destHeight, unsigned char brightness, int depth);
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//void (*iV_SetGammaValue)(float val);
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//void (*iV_SetFogStatus)(BOOL val);
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//void (*iV_SetFogTable)(UDWORD color, UDWORD zMin, UDWORD zMax);
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void (*iV_SetTransImds)(BOOL trans);
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//mapdisplay
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void (*iV_tgTriangle)(iVertex *vrt, iTexture *tex);
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void (*iV_tgPolygon)(int num, iVertex *vrt, iTexture *tex);
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//void (*iV_DrawImageDef)(IMAGEDEF *Image,iBitmap *Bmp,UDWORD Modulus,int x,int y);
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//design
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//void (*iV_UploadDisplayBuffer)(UBYTE *DisplayBuffer);
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//void (*iV_ScaleBitmapRGB)(UBYTE *DisplayBuffer,int Width,int Height,int ScaleR,int ScaleG,int ScaleB);
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//text
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//void (*iV_BeginTextRender)(SWORD ColourIndex);
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//void (*iV_TextRender)(IMAGEFILE *ImageFile,UWORD ID,int x,int y);
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//void (*iV_TextRender270)(IMAGEFILE *ImageFile,UWORD ID,int x,int y);
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//*************************************************************************
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//
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// function pointers for render assign
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//
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//*************************************************************************
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#ifndef PIETOOL
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void iV_RenderAssign(int mode, iSurface *s)
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{
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/* Need to look into this - won't the unwanted called still set render surface? */
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psRendSurface = s;
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g_mode = mode;
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iV_SetTransFilter = SetTransFilter;
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iV_DEBUG0("vid[RenderAssign] = assigned renderer :\n");
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iV_DEBUG5("usr %d\nflags %x\nxcentre, ycentre %d\nbuffer %p\n",
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s->usr,s->flags,s->xcentre,s->ycentre,s->buffer);
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}
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#endif // don't want this function at all if we have PIETOOL defined
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