diff options
Diffstat (limited to 'Src/Plugins/Visualization/vis_nsfs/ddraw.cpp')
| -rw-r--r-- | Src/Plugins/Visualization/vis_nsfs/ddraw.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/Src/Plugins/Visualization/vis_nsfs/ddraw.cpp b/Src/Plugins/Visualization/vis_nsfs/ddraw.cpp new file mode 100644 index 00000000..d0c9da60 --- /dev/null +++ b/Src/Plugins/Visualization/vis_nsfs/ddraw.cpp @@ -0,0 +1,229 @@ +#include <windows.h> +#include <ddraw.h> +#include "dd.h" +#include "../Agave/Language/api_language.h" +#include "resource.h" + +extern HINSTANCE visDll; + +#pragma intrinsic(memset) +C_DD::C_DD() +{ + g_lpDD=NULL; + cursurface=0; + g_ddp=NULL; + g_lpDDSPrim=NULL; + g_lpPrimSurfBack=NULL; + g_RenderSurface[0]=g_RenderSurface[1]=NULL; + g_RenderSurfaceLocked[0]=g_RenderSurfaceLocked[1]=NULL; + memset(g_palette_seek,0,sizeof(g_palette_seek)); + memset(g_palette_orig,0,sizeof(g_palette_orig)); + memset(g_palette_last,0,sizeof(g_palette_last)); + g_pal_lastv=0; + g_palette_starttime=g_palette_endtime=0; +} + +int C_DD::lock(unsigned char **input, unsigned char **output) +{ + DDSURFACEDESC d={sizeof(d),}; + if (g_RenderSurface[cursurface]->Lock(NULL,&d,DDLOCK_WAIT,NULL) != DD_OK) + { + g_RenderSurfaceLocked[cursurface]=0; + return 0; + } + *input=(unsigned char*)(g_RenderSurfaceLocked[cursurface]=d.lpSurface); + + DDSURFACEDESC e={sizeof(e),}; + if (g_RenderSurface[cursurface^1]->Lock(NULL,&e,DDLOCK_WAIT,NULL) != DD_OK) + { + g_RenderSurface[cursurface]->Unlock(g_RenderSurfaceLocked[cursurface]); + g_RenderSurfaceLocked[cursurface^1]=0; + g_RenderSurfaceLocked[cursurface]=0; + return 0; + } + *output=(unsigned char*)(g_RenderSurfaceLocked[cursurface^1]=e.lpSurface); + return 1; +} + +int C_DD::palette_fadeleft() +{ + return g_palette_endtime-GetTickCount(); +} + +void C_DD::unlock(void) +{ + if (g_RenderSurfaceLocked[0]) + { + g_RenderSurface[0]->Unlock(g_RenderSurfaceLocked[0]); + g_RenderSurface[1]->Unlock(g_RenderSurfaceLocked[1]); + if (g_palette_starttime) + { + PALETTEENTRY palette[256] = {0}; + int x = 0; + int len=g_palette_endtime-g_palette_starttime; + int pos=GetTickCount()-g_palette_starttime; + int do_it=1; + + if (pos >= len || !len) + { + g_palette_starttime=0; + g_pal_lastv=-128; + memcpy(g_palette_last,g_palette_seek,768); + } + else + { + int adj=(pos<<8)/len; + int poop=(255*adj)>>8; + if (poop != g_pal_lastv) + { + g_pal_lastv=poop; + for (x = 0; x < 768; x ++) + { + int c=(((int)g_palette_seek[x])*adj + ((int)g_palette_orig[x])*(255-adj))>>8; + if (c > 255) c = 255; + g_palette_last[x]=c; + } + } + else do_it=0; + } + + if (do_it) + { + int y=0; + for (x = 0; x < 256; x ++) + { + palette[x].peRed=g_palette_last[y]; + palette[x].peGreen=g_palette_last[y+1]; + palette[x].peBlue=g_palette_last[y+2]; + palette[x].peFlags = PC_NOCOLLAPSE; + y+=3; + } + g_ddp->SetEntries(0,0,256,palette); + } + } + if (g_lpPrimSurfBack) + { + if (g_lpPrimSurfBack->Blt(NULL,g_RenderSurface[cursurface^1],NULL,DDBLT_WAIT,NULL) == DDERR_SURFACELOST) + { + g_lpDDSPrim->Restore(); + g_lpPrimSurfBack->Restore(); + } + else + g_lpDDSPrim->Flip(NULL,DDFLIP_WAIT); + } + else + { + if (g_lpDDSPrim->Blt(NULL,g_RenderSurface[cursurface^1],NULL,DDBLT_WAIT,NULL) == DDERR_SURFACELOST) + { + g_lpDDSPrim->Restore(); + } + else g_lpDD->WaitForVerticalBlank(DDWAITVB_BLOCKBEGIN,0); + } + g_RenderSurfaceLocked[0]=0; + g_RenderSurfaceLocked[1]=0; + cursurface^=1; + } +} + +char *C_DD::open(int w, int h, HWND hwnd) +{ + static char errbuf[128]; + if (DirectDrawCreate(NULL,&g_lpDD,NULL) != DD_OK) return WASABI_API_LNGSTRING_BUF(IDS_DIRECTDRAWCREATE_FAILED,errbuf,128); + if (g_lpDD->SetCooperativeLevel(hwnd,DDSCL_EXCLUSIVE|DDSCL_FULLSCREEN) != DD_OK) + { + g_lpDD->Release(); + return WASABI_API_LNGSTRING_BUF(IDS_COULD_NOT_SET_EXCLUSIVE_FULLSCREEN,errbuf,128); + } + if (g_lpDD->SetDisplayMode(w,h,8) != DD_OK) + { + g_lpDD->Release(); + return WASABI_API_LNGSTRING_BUF(IDS_COULD_NOT_SET_DISPLAY_MODE,errbuf,128); + } + DDSURFACEDESC DDsd = {0}; + DDsd.dwSize = sizeof(DDsd); + DDsd.dwFlags = DDSD_CAPS|DDSD_BACKBUFFERCOUNT; + DDsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE|DDSCAPS_COMPLEX|DDSCAPS_FLIP; + DDsd.dwBackBufferCount = 1; + if (g_lpDD->CreateSurface(&DDsd, &g_lpDDSPrim, NULL) != DD_OK) + { + g_lpPrimSurfBack=NULL; + DDsd.dwSize = sizeof(DDsd); + DDsd.dwFlags = DDSD_CAPS; + DDsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; + if (g_lpDD->CreateSurface(&DDsd, &g_lpDDSPrim, NULL) != DD_OK) + { + g_lpDD->Release(); + return WASABI_API_LNGSTRING_BUF(IDS_COULD_NOT_CREATE_PRIMARY_SURFACE,errbuf,128); + } + } + else + { + DDSCAPS ddscaps; + ddscaps.dwCaps = DDSCAPS_BACKBUFFER; + if (g_lpDDSPrim->GetAttachedSurface(&ddscaps, &g_lpPrimSurfBack) != DD_OK) // no page flipping + g_lpPrimSurfBack=NULL; + } + + DDsd.dwFlags = DDSD_CAPS|DDSD_WIDTH|DDSD_HEIGHT|DDSD_PITCH|DDSD_PIXELFORMAT; + DDsd.dwWidth=w; + DDsd.dwHeight=h; + DDsd.lPitch=w; + DDsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN|DDSCAPS_SYSTEMMEMORY; + DDsd.ddpfPixelFormat.dwSize = sizeof(DDsd.ddpfPixelFormat); + DDsd.ddpfPixelFormat.dwFlags=DDPF_PALETTEINDEXED8|DDPF_RGB; + DDsd.ddpfPixelFormat.dwRGBBitCount = 8; + + if (g_lpDD->CreateSurface(&DDsd, &g_RenderSurface[0], NULL) != DD_OK || + g_lpDD->CreateSurface(&DDsd, &g_RenderSurface[1], NULL) != DD_OK) + { + g_lpDD->Release(); + return WASABI_API_LNGSTRING_BUF(IDS_COULD_NOT_CREATE_RENDER_SURFACE,errbuf,128); + } + + PALETTEENTRY palette[256] = {0}; + for (int x = 0; x < 256; x ++) + { + palette[x].peRed=palette[x].peGreen=palette[x].peBlue=0; + palette[x].peFlags = PC_NOCOLLAPSE; + } + + if (g_lpDD->CreatePalette(DDPCAPS_8BIT|DDPCAPS_ALLOW256,palette,&g_ddp,NULL) != DD_OK) + { + g_lpDD->Release(); + return WASABI_API_LNGSTRING_BUF(IDS_COULD_NOT_CREATE_PALETTE,errbuf,128); + } + if (g_lpDDSPrim->SetPalette(g_ddp) != DD_OK) + { + g_lpDD->Release(); + return WASABI_API_LNGSTRING_BUF(IDS_COULD_NOT_SET_PALETTE,errbuf,128); + } + + g_pal_lastv=-128; + g_palette_starttime=0; + return 0; +} + +void C_DD::setpalette(unsigned char palette[768], unsigned int time_ms) +{ + memcpy(g_palette_seek,palette,768); + memcpy(g_palette_orig,g_palette_last,768); + g_palette_starttime=GetTickCount(); + g_palette_endtime=g_palette_starttime+time_ms; +} + +void C_DD::close(void) +{ + if (g_lpDD) g_lpDD->Release(); + g_lpDD=0; + cursurface=0; + g_ddp=NULL; + g_lpDDSPrim=NULL; + g_lpPrimSurfBack=NULL; + g_RenderSurface[0]=g_RenderSurface[1]=NULL; + g_RenderSurfaceLocked[0]=g_RenderSurfaceLocked[1]=NULL; + memset(g_palette_seek,0,sizeof(g_palette_seek)); + memset(g_palette_orig,0,sizeof(g_palette_orig)); + memset(g_palette_last,0,sizeof(g_palette_last)); + g_pal_lastv=0; + g_palette_starttime=g_palette_endtime=0; +}
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