350 lines
12 KiB
C++
350 lines
12 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 <stdint.h>
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#define BITMAP WINDOWS_BITMAP
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#include <ddraw.h>
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#undef BITMAP
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#include "win-ddraw-fs.h"
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#include "win-ddraw-screenshot.h"
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#include "video.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();
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extern "C" void ddraw_fs_init(HWND h);
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extern "C" void ddraw_fs_close();
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extern "C" void video_blit_complete();
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static void ddraw_fs_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h);
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static void ddraw_fs_blit_memtoscreen_8(int x, int y, int w, int h);
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static LPDIRECTDRAW lpdd = NULL;
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static LPDIRECTDRAW4 lpdd4 = NULL;
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static LPDIRECTDRAWSURFACE4 lpdds_pri = NULL;
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static LPDIRECTDRAWSURFACE4 lpdds_back = NULL;
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static LPDIRECTDRAWSURFACE4 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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static int ddraw_w, ddraw_h;
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static PALETTE cgapal =
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{
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{0,0,0},{0,42,0},{42,0,0},{42,21,0},
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{0,0,0},{0,42,42},{42,0,42},{42,42,42},
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{0,0,0},{21,63,21},{63,21,21},{63,63,21},
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{0,0,0},{21,63,63},{63,21,63},{63,63,63},
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{0,0,0},{0,0,42},{0,42,0},{0,42,42},
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{42,0,0},{42,0,42},{42,21,00},{42,42,42},
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{21,21,21},{21,21,63},{21,63,21},{21,63,63},
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{63,21,21},{63,21,63},{63,63,21},{63,63,63},
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{0,0,0},{0,21,0},{0,0,42},{0,42,42},
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{42,0,21},{21,10,21},{42,0,42},{42,0,63},
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{21,21,21},{21,63,21},{42,21,42},{21,63,63},
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{63,0,0},{42,42,0},{63,21,42},{41,41,41},
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{0,0,0},{0,42,42},{42,0,0},{42,42,42},
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{0,0,0},{0,42,42},{42,0,0},{42,42,42},
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{0,0,0},{0,63,63},{63,0,0},{63,63,63},
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{0,0,0},{0,63,63},{63,0,0},{63,63,63},
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};
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static uint32_t pal_lookup[256];
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void ddraw_fs_init(HWND h)
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{
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int c;
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ddraw_w = GetSystemMetrics(SM_CXSCREEN);
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ddraw_h = GetSystemMetrics(SM_CYSCREEN);
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for (c = 0; c < 256; c++)
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pal_lookup[c] = makecol(cgapal[c].r << 2, cgapal[c].g << 2, cgapal[c].b << 2);
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if (FAILED(DirectDrawCreate(NULL, &lpdd, NULL)))
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fatal("DirectDrawCreate failed\n");
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if (FAILED(lpdd->QueryInterface(IID_IDirectDraw4, (LPVOID *)&lpdd4)))
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fatal("QueryInterface failed\n");
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lpdd->Release();
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lpdd = NULL;
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atexit(ddraw_fs_close);
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if (FAILED(lpdd4->SetCooperativeLevel(h, DDSCL_SETFOCUSWINDOW |
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DDSCL_CREATEDEVICEWINDOW | DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT)))
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fatal("SetCooperativeLevel failed\n");
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if (FAILED(lpdd4->SetDisplayMode(ddraw_w, ddraw_h, 32, 0 ,0)))
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fatal("SetDisplayMode failed\n");
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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_BACKBUFFERCOUNT;
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ddsd.dwBackBufferCount = 1;
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ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
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if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_pri, NULL)))
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fatal("CreateSurface failed\n");
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ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
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if (FAILED(lpdds_pri->GetAttachedSurface(&ddsd.ddsCaps, &lpdds_back2)))
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fatal("CreateSurface back failed\n");
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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 = 2080;
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ddsd.dwHeight = 2080;
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ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
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if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_back, NULL)))
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fatal("CreateSurface back failed\n");
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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_fs_blit_memtoscreen;
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video_blit_memtoscreen_8_func = ddraw_fs_blit_memtoscreen_8;
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}
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void ddraw_fs_close()
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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 (lpdd4)
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{
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lpdd4->Release();
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lpdd4 = NULL;
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}
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}
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static void ddraw_fs_size(RECT window_rect, RECT *r_dest, int w, int h)
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{
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int ratio_w, ratio_h;
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switch (video_fullscreen_scale)
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{
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case FULLSCR_SCALE_FULL:
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r_dest->left = 0;
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r_dest->top = 0;
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r_dest->right = (window_rect.right - window_rect.left) - 1;
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r_dest->bottom = (window_rect.bottom - window_rect.top) - 1;
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break;
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case FULLSCR_SCALE_43:
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r_dest->top = 0;
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r_dest->bottom = (window_rect.bottom - window_rect.top) - 1;
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r_dest->left = ((window_rect.right - window_rect.left) / 2) - (((window_rect.bottom - window_rect.top) * 4) / (3 * 2));
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r_dest->right = ((window_rect.right - window_rect.left) / 2) + (((window_rect.bottom - window_rect.top) * 4) / (3 * 2)) - 1;
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if (r_dest->left < 0)
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{
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r_dest->left = 0;
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r_dest->right = (window_rect.right - window_rect.left) - 1;
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r_dest->top = ((window_rect.bottom - window_rect.top) / 2) - (((window_rect.right - window_rect.left) * 3) / (4 * 2));
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r_dest->bottom = ((window_rect.bottom - window_rect.top) / 2) + (((window_rect.right - window_rect.left) * 3) / (4 * 2)) - 1;
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}
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break;
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case FULLSCR_SCALE_SQ:
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r_dest->top = 0;
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r_dest->bottom = (window_rect.bottom - window_rect.top) - 1;
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r_dest->left = ((window_rect.right - window_rect.left) / 2) - (((window_rect.bottom - window_rect.top) * w) / (h * 2));
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r_dest->right = ((window_rect.right - window_rect.left) / 2) + (((window_rect.bottom - window_rect.top) * w) / (h * 2)) - 1;
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if (r_dest->left < 0)
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{
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r_dest->left = 0;
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r_dest->right = (window_rect.right - window_rect.left) - 1;
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r_dest->top = ((window_rect.bottom - window_rect.top) / 2) - (((window_rect.right - window_rect.left) * h) / (w * 2));
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r_dest->bottom = ((window_rect.bottom - window_rect.top) / 2) + (((window_rect.right - window_rect.left) * h) / (w * 2)) - 1;
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}
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break;
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case FULLSCR_SCALE_INT:
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ratio_w = (window_rect.right - window_rect.left) / w;
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ratio_h = (window_rect.bottom - window_rect.top) / h;
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if (ratio_h < ratio_w)
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ratio_w = ratio_h;
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r_dest->left = ((window_rect.right - window_rect.left) / 2) - ((w * ratio_w) / 2);
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r_dest->right = ((window_rect.right - window_rect.left) / 2) + ((w * ratio_w) / 2) - 1;
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r_dest->top = ((window_rect.bottom - window_rect.top) / 2) - ((h * ratio_w) / 2);
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r_dest->bottom = ((window_rect.bottom - window_rect.top) / 2) + ((h * ratio_w) / 2) - 1;
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break;
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}
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}
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static void ddraw_fs_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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RECT window_rect;
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int yy;
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HRESULT hr;
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DDBLTFX ddbltfx;
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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) memcpy((unsigned char*)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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window_rect.left = 0;
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window_rect.top = 0;
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window_rect.right = ddraw_w;
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window_rect.bottom = ddraw_h;
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ddraw_fs_size(window_rect, &r_dest, w, h);
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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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ddbltfx.dwSize = sizeof(ddbltfx);
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ddbltfx.dwFillColor = 0;
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lpdds_back2->Blt(&window_rect, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
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hr = lpdds_back2->Blt(&r_dest, 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_dest, lpdds_back, &r_src, DDBLT_WAIT, NULL);
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}
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if (readflash && enable_flash)
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{
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RECT r;
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r.left = window_rect.right - 40;
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r.right = window_rect.right - 8;
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r.top = 8;
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r.bottom = 14;
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ddbltfx.dwFillColor = 0xffffff;
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lpdds_back2->Blt(&r, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
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}
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hr = lpdds_pri->Flip(NULL, DDFLIP_NOVSYNC);
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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->Flip(NULL, DDFLIP_NOVSYNC);
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}
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}
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static void ddraw_fs_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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RECT window_rect;
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int xx, yy;
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HRESULT hr;
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DDBLTFX ddbltfx;
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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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uint32_t *p = (uint32_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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video_blit_complete();
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lpdds_back->Unlock(NULL);
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window_rect.left = 0;
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window_rect.top = 0;
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window_rect.right = ddraw_w;
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window_rect.bottom = ddraw_h;
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ddraw_fs_size(window_rect, &r_dest, w, h);
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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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ddbltfx.dwSize = sizeof(ddbltfx);
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ddbltfx.dwFillColor = 0;
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lpdds_back2->Blt(&window_rect, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
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hr = lpdds_back2->Blt(&r_dest, 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_dest, lpdds_back, &r_src, DDBLT_WAIT, NULL);
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}
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if (readflash && enable_flash)
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{
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RECT r;
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r.left = window_rect.right - 40;
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r.right = window_rect.right - 8;
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r.top = 8;
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r.bottom = 14;
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ddbltfx.dwFillColor = 0xffffff;
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lpdds_back2->Blt(&r, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
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}
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lpdds_pri->Flip(NULL, DDFLIP_NOVSYNC);
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}
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void ddraw_fs_take_screenshot(char *fn)
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{
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ddraw_common_take_screenshot(fn, lpdds_back2);
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}
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