314 lines
9.3 KiB
C++
314 lines
9.3 KiB
C++
/* Copyright holders: Sarah Walker, Tenshi
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see COPYING for more details
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include "../video/video.h"
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#include "win_ddraw.h"
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#include "win_cgapal.h"
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extern "C" void fatal(const char *format, ...);
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extern "C" void pclog(const char *format, ...);
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extern "C" void device_force_redraw(void);
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extern "C" int ddraw_init(HWND h);
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extern "C" void ddraw_close(void);
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extern "C" void video_blit_complete(void);
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static void ddraw_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h);
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static void ddraw_blit_memtoscreen_8(int x, int y, int w, int h);
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static LPDIRECTDRAW lpdd = NULL;
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static LPDIRECTDRAW7 lpdd7 = NULL;
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static LPDIRECTDRAWSURFACE7 lpdds_pri = NULL;
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static LPDIRECTDRAWSURFACE7 lpdds_back = NULL;
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static LPDIRECTDRAWSURFACE7 lpdds_back2 = NULL;
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static LPDIRECTDRAWCLIPPER lpdd_clipper = NULL;
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static DDSURFACEDESC2 ddsd;
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static HWND ddraw_hwnd;
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int ddraw_init(HWND h)
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{
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cgapal_rebuild();
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if (FAILED(DirectDrawCreate(NULL, &lpdd, NULL)))
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return 0;
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if (FAILED(lpdd->QueryInterface(IID_IDirectDraw7, (LPVOID *)&lpdd7)))
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return 0;
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lpdd->Release();
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lpdd = NULL;
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atexit(ddraw_close);
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if (FAILED(lpdd7->SetCooperativeLevel(h, DDSCL_NORMAL)))
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return 0;
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memset(&ddsd, 0, sizeof(ddsd));
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ddsd.dwSize = sizeof(ddsd);
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ddsd.dwFlags = DDSD_CAPS;
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ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
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if (FAILED(lpdd7->CreateSurface(&ddsd, &lpdds_pri, NULL)))
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return 0;
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// memset(&ddsd, 0, sizeof(ddsd));
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// ddsd.dwSize = sizeof(ddsd);
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ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
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ddsd.dwWidth = 2048;
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ddsd.dwHeight = 2048;
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ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
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if (FAILED(lpdd7->CreateSurface(&ddsd, &lpdds_back, NULL)))
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return 0;
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memset(&ddsd, 0, sizeof(ddsd));
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ddsd.dwSize = sizeof(ddsd);
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ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
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ddsd.dwWidth = 2048;
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ddsd.dwHeight = 2048;
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ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
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if (FAILED(lpdd7->CreateSurface(&ddsd, &lpdds_back2, NULL)))
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return 0;
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if (FAILED(lpdd7->CreateClipper(0, &lpdd_clipper, NULL)))
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return 0;
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if (FAILED(lpdd_clipper->SetHWnd(0, h)))
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return 0;
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if (FAILED(lpdds_pri->SetClipper(lpdd_clipper)))
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return 0;
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pclog("DDRAW_INIT complete\n");
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ddraw_hwnd = h;
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video_blit_memtoscreen_func = ddraw_blit_memtoscreen;
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video_blit_memtoscreen_8_func = ddraw_blit_memtoscreen_8;
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return 1;
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}
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void ddraw_close(void)
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{
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if (lpdds_back2)
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{
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lpdds_back2->Release();
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lpdds_back2 = NULL;
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}
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if (lpdds_back)
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{
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lpdds_back->Release();
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lpdds_back = NULL;
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}
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if (lpdds_pri)
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{
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lpdds_pri->Release();
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lpdds_pri = NULL;
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}
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if (lpdd_clipper)
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{
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lpdd_clipper->Release();
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lpdd_clipper = NULL;
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}
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if (lpdd7)
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{
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lpdd7->Release();
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lpdd7 = NULL;
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}
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}
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static void ddraw_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
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{
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RECT r_src;
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RECT r_dest;
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int xx, yy;
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POINT po;
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uint32_t *p;
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HRESULT hr;
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// pclog("Blit memtoscreen %i,%i %i %i %i,%i\n", x, y, y1, y2, w, h);
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if (lpdds_back == NULL)
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{
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video_blit_complete();
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return; /*Nothing to do*/
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}
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memset(&ddsd, 0, sizeof(ddsd));
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ddsd.dwSize = sizeof(ddsd);
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hr = lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_back->Restore();
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lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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device_force_redraw();
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}
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if (!ddsd.lpSurface)
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{
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video_blit_complete();
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return;
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}
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for (yy = y1; yy < y2; yy++)
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{
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if ((y + yy) >= 0 && (y + yy) < buffer->h)
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memcpy((uint32_t *) &(((uint8_t *) ddsd.lpSurface)[yy * ddsd.lPitch]), &(((uint32_t *)buffer32->line[y + yy])[x]), w * 4);
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}
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video_blit_complete();
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lpdds_back->Unlock(NULL);
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po.x = po.y = 0;
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ClientToScreen(ddraw_hwnd, &po);
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GetClientRect(ddraw_hwnd, &r_dest);
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OffsetRect(&r_dest, po.x, po.y);
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r_src.left = 0;
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r_src.top = 0;
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r_src.right = w;
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r_src.bottom = h;
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hr = lpdds_back2->Blt(&r_src, lpdds_back, &r_src, DDBLT_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_back2->Restore();
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lpdds_back2->Blt(&r_src, lpdds_back, &r_src, DDBLT_WAIT, NULL);
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}
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if (readflash)
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{
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readflash = 0;
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#ifdef LEGACY_READ_FLASH
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if (enable_flash)
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{
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hr = lpdds_back2->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_back2->Restore();
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lpdds_back2->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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device_force_redraw();
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}
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if (!ddsd.lpSurface) return;
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for (yy = 8; yy < 14; yy++)
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{
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p = &(((uint32_t *) ddsd.lpSurface)[yy * ddsd.lPitch]);
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for (xx = (w - 40); xx < (w - 8); xx++)
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p[xx] = 0xffffffff;
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}
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}
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#endif
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}
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lpdds_back2->Unlock(NULL);
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// pclog("Blit from %i,%i %i,%i to %i,%i %i,%i\n", r_src.left, r_src.top, r_src.right, r_src.bottom, r_dest.left, r_dest.top, r_dest.right, r_dest.bottom);
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hr = lpdds_pri->Blt(&r_dest, lpdds_back2, &r_src, DDBLT_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_pri->Restore();
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lpdds_pri->Blt(&r_dest, lpdds_back2, &r_src, DDBLT_WAIT, NULL);
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}
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}
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static void ddraw_blit_memtoscreen_8(int x, int y, int w, int h)
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{
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RECT r_src;
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RECT r_dest;
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int xx, yy;
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POINT po;
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uint32_t *p;
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HRESULT hr;
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if (lpdds_back == NULL)
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{
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video_blit_complete();
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return; /*Nothing to do*/
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}
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memset(&ddsd, 0, sizeof(ddsd));
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ddsd.dwSize = sizeof(ddsd);
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hr = lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_back->Restore();
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lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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device_force_redraw();
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}
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if (!ddsd.lpSurface)
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{
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video_blit_complete();
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return;
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}
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for (yy = 0; yy < h; yy++)
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{
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if ((y + yy) >= 0 && (y + yy) < buffer->h)
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{
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p = (uint32_t *) &(((uint8_t *) ddsd.lpSurface)[yy * ddsd.lPitch]);
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for (xx = 0; xx < w; xx++)
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{
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p[xx] = pal_lookup[buffer->line[y + yy][x + xx]];
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}
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}
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}
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p = &(((uint32_t *) ddsd.lpSurface)[4 * ddsd.lPitch]);
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lpdds_back->Unlock(NULL);
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video_blit_complete();
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po.x = po.y = 0;
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ClientToScreen(ddraw_hwnd, &po);
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GetClientRect(ddraw_hwnd, &r_dest);
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OffsetRect(&r_dest, po.x, po.y);
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r_src.left = 0;
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r_src.top = 0;
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r_src.right = w;
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r_src.bottom = h;
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hr = lpdds_back2->Blt(&r_src, lpdds_back, &r_src, DDBLT_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_back2->Restore();
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lpdds_back2->Blt(&r_src, lpdds_back, &r_src, DDBLT_WAIT, NULL);
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}
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if (readflash)
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{
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readflash = 0;
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if (enable_flash)
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{
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hr = lpdds_back2->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_back2->Restore();
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lpdds_back2->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
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device_force_redraw();
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}
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if (!ddsd.lpSurface) return;
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for (yy = 8; yy < 14; yy++)
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{
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p = (uint32_t *) &(((uint8_t *) ddsd.lpSurface)[yy * ddsd.lPitch]);
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for (xx = (w - 40); xx < (w - 8); xx++)
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p[xx] = 0xffffffff;
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}
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lpdds_back2->Unlock(NULL);
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}
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}
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hr = lpdds_pri->Blt(&r_dest, lpdds_back2, &r_src, DDBLT_WAIT, NULL);
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if (hr == DDERR_SURFACELOST)
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{
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lpdds_pri->Restore();
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hr = lpdds_pri->Blt(&r_dest, lpdds_back2, &r_src, DDBLT_WAIT, NULL);
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}
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}
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void ddraw_take_screenshot(wchar_t *fn)
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{
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ddraw_common_take_screenshot(fn, lpdds_back2);
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}
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