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Use game's own window for drawing, initial drawing with grayscale palette

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This commit is contained in:
Toni Spets 2010-10-17 14:19:48 +03:00
parent ad037e718c
commit c3ed0a00b1
4 changed files with 57 additions and 28 deletions
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26
main.c
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@ -51,9 +51,13 @@ HRESULT ddraw_GetCaps(void *This, LPDDCAPS lpDDDriverCaps, LPDDCAPS lpDDEmulCaps
return DD_OK;
}
HRESULT ddraw_SetCooperativeLevel(void *This, HWND hWnd, DWORD dwFlags)
HRESULT ddraw_SetCooperativeLevel(void *_This, HWND hWnd, DWORD dwFlags)
{
fakeDirectDrawObject *This = (fakeDirectDrawObject *)_This;
printf("DirectDraw::SetCooperativeLevel(This=%p, hWnd=0x%08X, dwFlags=0x%08X)\n", This, (unsigned int)hWnd, (unsigned int)dwFlags);
This->hWnd = hWnd;
return DD_OK;
}
@ -139,33 +143,15 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnknown FAR* pUnkOuter)
{
WNDCLASS wc;
printf("DirectDrawCreate(lpGUID=%p, lplpDD=%p, pUnkOuter=%p)\n", lpGUID, lplpDD, pUnkOuter);
fakeDirectDrawObject *This = (fakeDirectDrawObject *)malloc(sizeof(fakeDirectDrawObject));
This->Ref = 1;
This->Functions = &iface;
This->hWnd = NULL;
printf(" This = %p\n", This);
*lplpDD = (LPDIRECTDRAW)This;
This->hInstance = GetModuleHandle( 0 );
/* create dummy window */
wc.style = CS_OWNDC;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = This->hInstance;
wc.hIcon = LoadIcon( NULL, IDI_APPLICATION );
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hbrBackground = 0;
wc.lpszMenuName = NULL;
wc.lpszClassName = "cnc-ddraw";
RegisterClass( &wc );
This->hWnd = CreateWindow("cnc-ddraw", "cnc-ddraw", 0, 0, 0, 0, 0, NULL, NULL, This->hInstance, NULL );
return DD_OK;
}

1
main.h
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@ -62,7 +62,6 @@ typedef struct
DWORD height;
DWORD bpp;
HINSTANCE hInstance;
HWND hWnd;
} fakeDirectDrawObject;

54
surface.c
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@ -73,6 +73,7 @@ HRESULT ddraw_CreateSurface(void *_This, LPDDSURFACEDESC lpDDSurfaceDesc, LPDIRE
Surface->hDC = NULL;
Surface->bpp = This->bpp;
Surface->surface = NULL;
Surface->glTex = NULL;
Surface->caps = 0;
if(lpDDSurfaceDesc->dwFlags & DDSD_CAPS)
@ -114,7 +115,10 @@ HRESULT ddraw_CreateSurface(void *_This, LPDDSURFACEDESC lpDDSurfaceDesc, LPDIRE
if(Surface->width && Surface->height)
{
Surface->surface = malloc(Surface->width * Surface->height * Surface->bpp / 8);
Surface->lPitch = Surface->width;
Surface->lXPitch = Surface->bpp / 8;
Surface->surface = malloc(Surface->width * Surface->height * Surface->lXPitch);
Surface->glTex = malloc(Surface->width * Surface->height * sizeof(int));
}
printf(" Surface = %p (%dx%d@%d)\n", Surface, (int)Surface->width, (int)Surface->height, (int)Surface->bpp);
@ -133,8 +137,11 @@ HRESULT ddraw_surface_AddAttachedSurface(void *_This, LPDIRECTDRAWSURFACE lpDDSu
return DD_OK;
}
HRESULT ddraw_surface_Blt(void *This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx)
HRESULT ddraw_surface_Blt(void *_This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx)
{
fakeDirectDrawSurfaceObject *This = (fakeDirectDrawSurfaceObject *)_This;
fakeDirectDrawSurfaceObject *Source = (fakeDirectDrawSurfaceObject *)lpDDSrcSurface;
printf("DirectDrawSurface::Blt(This=%p, lpDestRect=%p, lpDDSrcSurface=%p, lpSrcRect=%p, dwFlags=%d, lpDDBltFx=%p)\n", This, lpDestRect, lpDDSrcSurface, lpSrcRect, (int)dwFlags, lpDDBltFx);
if(lpDestRect)
{
@ -144,6 +151,8 @@ HRESULT ddraw_surface_Blt(void *This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE lpD
{
printf(" src: l: %d t: %d r: %d b: %d\n", (int)lpSrcRect->left, (int)lpSrcRect->top, (int)lpSrcRect->right, (int)lpSrcRect->bottom);
}
/* FIXME: blit the correct areas */
memcpy(This->surface, Source->surface, This->width * This->height);
return DD_OK;
}
@ -197,25 +206,56 @@ HRESULT ddraw_surface_Lock(void *_This, LPRECT lpDestRect, LPDDSURFACEDESC lpDDS
#endif
lpDDSurfaceDesc->dwSize = sizeof(DDSURFACEDESC);
lpDDSurfaceDesc->dwFlags = DDSD_LPSURFACE;
lpDDSurfaceDesc->dwFlags = DDSD_LPSURFACE|DDSD_PITCH;
lpDDSurfaceDesc->lpSurface = This->surface;
lpDDSurfaceDesc->lPitch = This->lPitch;
return DD_OK;
}
HRESULT ddraw_surface_Unlock(void *_This, LPVOID lpRect)
{
int i,j;
fakeDirectDrawSurfaceObject *This = (fakeDirectDrawSurfaceObject *)_This;
#if _DEBUG
printf("DirectDrawSurface::Unlock(This=%p, lpRect=%p)\n", This, lpRect);
#endif
if(This->caps & DDSCAPS_PRIMARYSURFACE)
{
/* clearing the screen for now */
glClearColor( 0.0f, 0.0f, 255.0f, 0.0f );
glClear( GL_COLOR_BUFFER_BIT );
SwapBuffers( This->hDC );
/* FIXME: temporary grayscale palette */
int tmp_palette[256];
for(i=0;i<256;i++)
{
tmp_palette[i] = (i<<16)|(i<<8)|i;
}
/* convert ddraw surface to opengl texture */
for(i=0; i<This->height; i++)
{
for(j=0; j<This->width; j++)
{
This->glTex[i*This->width+j] = tmp_palette[((unsigned char *)This->surface)[i*This->lPitch + j*This->lXPitch]];
}
}
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, This->width, This->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, This->glTex);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glEnable(GL_TEXTURE_2D);
glBegin(GL_TRIANGLE_FAN);
glTexCoord2f(0,0); glVertex2f(-1, 1);
glTexCoord2f(1,0); glVertex2f( 1, 1);
glTexCoord2f(1,1); glVertex2f( 1, -1);
glTexCoord2f(0,1); glVertex2f(-1, -1);
glEnd();
SwapBuffers(This->hDC);
}
return DD_OK;

4
surface.h
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@ -73,10 +73,14 @@ typedef struct
DWORD height;
DWORD bpp;
DWORD caps;
void *surface;
DWORD lPitch;
DWORD lXPitch;
HDC hDC;
HGLRC hRC;
int *glTex;
ULONG Ref;