Files
86Box/src/WIN/win_ddraw_fs.cc

335 lines
11 KiB
C++

/* Copyright holders: Sarah Walker, Tenshi
see COPYING for more details
*/
#include <stdint.h>
#include "../video/video.h"
#include "win_ddraw.h"
#include "win_cgapal.h"
static LPDIRECTDRAW lpdd = NULL;
static LPDIRECTDRAW7 lpdd7 = NULL;
static LPDIRECTDRAWSURFACE7 lpdds_pri = NULL;
static LPDIRECTDRAWSURFACE7 lpdds_back = NULL;
static LPDIRECTDRAWSURFACE7 lpdds_back2 = NULL;
static LPDIRECTDRAWCLIPPER lpdd_clipper = NULL;
static DDSURFACEDESC2 ddsd;
static HWND ddraw_hwnd;
static int ddraw_w, ddraw_h;
extern "C" void fatal(const char *format, ...);
extern "C" void pclog(const char *format, ...);
extern "C" void device_force_redraw(void);
extern "C" int ddraw_fs_init(HWND h);
extern "C" void ddraw_fs_close(void);
extern "C" void video_blit_complete(void);
static void ddraw_fs_blit_memtoscreen(int, int, int, int, int, int);
static void ddraw_fs_blit_memtoscreen_8(int, int, int, int);
int ddraw_fs_init(HWND h)
{
ddraw_w = GetSystemMetrics(SM_CXSCREEN);
ddraw_h = GetSystemMetrics(SM_CYSCREEN);
cgapal_rebuild();
if (FAILED(DirectDrawCreate(NULL, &lpdd, NULL)))
return 0;
if (FAILED(lpdd->QueryInterface(IID_IDirectDraw7, (LPVOID *)&lpdd7)))
return 0;
lpdd->Release();
lpdd = NULL;
atexit(ddraw_fs_close);
if (FAILED(lpdd7->SetCooperativeLevel(h, DDSCL_SETFOCUSWINDOW |
DDSCL_CREATEDEVICEWINDOW | DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT)))
return 0;
if (FAILED(lpdd7->SetDisplayMode(ddraw_w, ddraw_h, 32, 0 ,0)))
return 0;
// memset(&ddsd, 0, sizeof(ddsd));
// ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.dwBackBufferCount = 1;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_COMPLEX | DDSCAPS_FLIP;
if (FAILED(lpdd7->CreateSurface(&ddsd, &lpdds_pri, NULL)))
return 0;
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
if (FAILED(lpdds_pri->GetAttachedSurface(&ddsd.ddsCaps, &lpdds_back2)))
return 0;
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.dwWidth = 2048;
ddsd.dwHeight = 2048;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
if (FAILED(lpdd7->CreateSurface(&ddsd, &lpdds_back, NULL)))
return 0;
pclog("DDRAW_INIT complete\n");
ddraw_hwnd = h;
video_blit_memtoscreen_func = ddraw_fs_blit_memtoscreen;
video_blit_memtoscreen_8_func = ddraw_fs_blit_memtoscreen_8;
return 1;
}
void ddraw_fs_close(void)
{
if (lpdds_back2)
{
lpdds_back2->Release();
lpdds_back2 = NULL;
}
if (lpdds_back)
{
lpdds_back->Release();
lpdds_back = NULL;
}
if (lpdds_pri)
{
lpdds_pri->Release();
lpdds_pri = NULL;
}
if (lpdd_clipper)
{
lpdd_clipper->Release();
lpdd_clipper = NULL;
}
if (lpdd7)
{
lpdd7->Release();
lpdd7 = NULL;
}
}
static void ddraw_fs_size(RECT window_rect, RECT *r_dest, int w, int h)
{
int ratio_w, ratio_h;
switch (video_fullscreen_scale)
{
case FULLSCR_SCALE_FULL:
r_dest->left = 0;
r_dest->top = 0;
r_dest->right = (window_rect.right - window_rect.left) - 1;
r_dest->bottom = (window_rect.bottom - window_rect.top) - 1;
break;
case FULLSCR_SCALE_43:
r_dest->top = 0;
r_dest->bottom = (window_rect.bottom - window_rect.top) - 1;
r_dest->left = ((window_rect.right - window_rect.left) / 2) - (((window_rect.bottom - window_rect.top) * 4) / (3 * 2));
r_dest->right = ((window_rect.right - window_rect.left) / 2) + (((window_rect.bottom - window_rect.top) * 4) / (3 * 2)) - 1;
if (r_dest->left < 0)
{
r_dest->left = 0;
r_dest->right = (window_rect.right - window_rect.left) - 1;
r_dest->top = ((window_rect.bottom - window_rect.top) / 2) - (((window_rect.right - window_rect.left) * 3) / (4 * 2));
r_dest->bottom = ((window_rect.bottom - window_rect.top) / 2) + (((window_rect.right - window_rect.left) * 3) / (4 * 2)) - 1;
}
break;
case FULLSCR_SCALE_SQ:
r_dest->top = 0;
r_dest->bottom = (window_rect.bottom - window_rect.top) - 1;
r_dest->left = ((window_rect.right - window_rect.left) / 2) - (((window_rect.bottom - window_rect.top) * w) / (h * 2));
r_dest->right = ((window_rect.right - window_rect.left) / 2) + (((window_rect.bottom - window_rect.top) * w) / (h * 2)) - 1;
if (r_dest->left < 0)
{
r_dest->left = 0;
r_dest->right = (window_rect.right - window_rect.left) - 1;
r_dest->top = ((window_rect.bottom - window_rect.top) / 2) - (((window_rect.right - window_rect.left) * h) / (w * 2));
r_dest->bottom = ((window_rect.bottom - window_rect.top) / 2) + (((window_rect.right - window_rect.left) * h) / (w * 2)) - 1;
}
break;
case FULLSCR_SCALE_INT:
ratio_w = (window_rect.right - window_rect.left) / w;
ratio_h = (window_rect.bottom - window_rect.top) / h;
if (ratio_h < ratio_w)
ratio_w = ratio_h;
r_dest->left = ((window_rect.right - window_rect.left) / 2) - ((w * ratio_w) / 2);
r_dest->right = ((window_rect.right - window_rect.left) / 2) + ((w * ratio_w) / 2) - 1;
r_dest->top = ((window_rect.bottom - window_rect.top) / 2) - ((h * ratio_w) / 2);
r_dest->bottom = ((window_rect.bottom - window_rect.top) / 2) + ((h * ratio_w) / 2) - 1;
break;
}
}
static void ddraw_fs_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
{
RECT r_src;
RECT r_dest;
RECT window_rect;
int yy;
HRESULT hr;
DDBLTFX ddbltfx;
if (lpdds_back == NULL)
{
video_blit_complete();
return; /*Nothing to do*/
}
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
hr = lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
if (hr == DDERR_SURFACELOST)
{
lpdds_back->Restore();
lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
device_force_redraw();
}
if (!ddsd.lpSurface)
{
video_blit_complete();
return;
}
for (yy = y1; yy < y2; yy++)
{
if ((y + yy) >= 0) memcpy((unsigned char*)ddsd.lpSurface + (yy * ddsd.lPitch), &(((uint32_t *)buffer32->line[y + yy])[x]), w * 4);
}
video_blit_complete();
lpdds_back->Unlock(NULL);
window_rect.left = 0;
window_rect.top = 0;
window_rect.right = ddraw_w;
window_rect.bottom = ddraw_h;
ddraw_fs_size(window_rect, &r_dest, w, h);
r_src.left = 0;
r_src.top = 0;
r_src.right = w;
r_src.bottom = h;
ddbltfx.dwSize = sizeof(ddbltfx);
ddbltfx.dwFillColor = 0;
lpdds_back2->Blt(&window_rect, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
hr = lpdds_back2->Blt(&r_dest, lpdds_back, &r_src, DDBLT_WAIT, NULL);
if (hr == DDERR_SURFACELOST)
{
lpdds_back2->Restore();
lpdds_back2->Blt(&r_dest, lpdds_back, &r_src, DDBLT_WAIT, NULL);
}
if (readflash && enable_flash)
{
RECT r;
r.left = window_rect.right - 40;
r.right = window_rect.right - 8;
r.top = 8;
r.bottom = 14;
ddbltfx.dwFillColor = 0xffffff;
lpdds_back2->Blt(&r, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
}
hr = lpdds_pri->Flip(NULL, DDFLIP_NOVSYNC);
if (hr == DDERR_SURFACELOST)
{
lpdds_pri->Restore();
lpdds_pri->Flip(NULL, DDFLIP_NOVSYNC);
}
}
static void ddraw_fs_blit_memtoscreen_8(int x, int y, int w, int h)
{
RECT r_src;
RECT r_dest;
RECT window_rect;
int xx, yy;
HRESULT hr;
DDBLTFX ddbltfx;
if (lpdds_back == NULL)
{
video_blit_complete();
return; /*Nothing to do*/
}
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
hr = lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
if (hr == DDERR_SURFACELOST)
{
lpdds_back->Restore();
lpdds_back->Lock(NULL, &ddsd, DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL);
device_force_redraw();
}
if (!ddsd.lpSurface)
{
video_blit_complete();
return;
}
for (yy = 0; yy < h; yy++)
{
if ((y + yy) >= 0 && (y + yy) < buffer->h)
{
uint32_t *p = (uint32_t *) &(((uint8_t *) ddsd.lpSurface)[yy * ddsd.lPitch]);
for (xx = 0; xx < w; xx++)
{
p[xx] = pal_lookup[buffer->line[y + yy][x + xx]];
}
}
}
video_blit_complete();
lpdds_back->Unlock(NULL);
window_rect.left = 0;
window_rect.top = 0;
window_rect.right = ddraw_w;
window_rect.bottom = ddraw_h;
ddraw_fs_size(window_rect, &r_dest, w, h);
r_src.left = 0;
r_src.top = 0;
r_src.right = w;
r_src.bottom = h;
ddbltfx.dwSize = sizeof(ddbltfx);
ddbltfx.dwFillColor = 0;
lpdds_back2->Blt(&window_rect, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
hr = lpdds_back2->Blt(&r_dest, lpdds_back, &r_src, DDBLT_WAIT, NULL);
if (hr == DDERR_SURFACELOST)
{
lpdds_back2->Restore();
lpdds_back2->Blt(&r_dest, lpdds_back, &r_src, DDBLT_WAIT, NULL);
}
if (readflash && enable_flash)
{
RECT r;
r.left = window_rect.right - 40;
r.right = window_rect.right - 8;
r.top = 8;
r.bottom = 14;
ddbltfx.dwFillColor = 0xffffff;
lpdds_back2->Blt(&r, NULL, NULL, DDBLT_WAIT | DDBLT_COLORFILL, &ddbltfx);
}
lpdds_pri->Flip(NULL, DDFLIP_NOVSYNC);
}
void ddraw_fs_take_screenshot(wchar_t *fn)
{
ddraw_common_take_screenshot(fn, lpdds_back2);
}