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Move some render init stuff out of render main loop

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This commit is contained in:
Toni Spets 2010-11-16 18:07:59 +02:00
parent afdc334935
commit 3e594b10c6
3 changed files with 35 additions and 21 deletions
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29
main.c
View File

@ -379,6 +379,8 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
HRESULT __stdcall ddraw_SetCooperativeLevel(IDirectDrawImpl *This, HWND hWnd, DWORD dwFlags)
{
PIXELFORMATDESCRIPTOR pfd;
printf("DirectDraw::SetCooperativeLevel(This=%p, hWnd=0x%08X, dwFlags=0x%08X)\n", This, (unsigned int)hWnd, (unsigned int)dwFlags);
/* Red Alert for some weird reason does this on Windows XP */
@ -397,6 +399,20 @@ HRESULT __stdcall ddraw_SetCooperativeLevel(IDirectDrawImpl *This, HWND hWnd, DW
SetWindowLong(This->hWnd, GWL_WNDPROC, (LONG)WndProc);
}
if(!This->render.hDC)
{
This->render.hDC = GetDC(This->hWnd);
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = ddraw->render.bpp ? ddraw->render.bpp : ddraw->mode.dmBitsPerPel;
pfd.iLayerType = PFD_MAIN_PLANE;
SetPixelFormat( This->render.hDC, ChoosePixelFormat( This->render.hDC, &pfd ), &pfd );
}
return DD_OK;
}
@ -443,6 +459,18 @@ ULONG __stdcall ddraw_Release(IDirectDrawImpl *This)
LeaveCriticalSection(&This->cs);
}
if(This->render.hDC)
{
ReleaseDC(This->hWnd, This->render.hDC);
This->render.hDC = NULL;
}
if(This->render.ev)
{
CloseHandle(This->render.ev);
ddraw->render.ev = NULL;
}
DeleteCriticalSection(&This->cs);
/* restore old wndproc, subsequent ddraw creation will otherwise fail */
@ -532,6 +560,7 @@ HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnk
}
InitializeCriticalSection(&This->cs);
This->render.ev = CreateEvent(NULL, TRUE, FALSE, NULL);
/* load configuration options from ddraw.ini */
char cwd[MAX_PATH];

3
main.h
View File

@ -54,6 +54,9 @@ typedef struct IDirectDrawImpl
int bpp;
int filter;
HDC hDC;
int *tex;
HANDLE thread;
BOOL run;
HANDLE ev;

24
render.c
View File

@ -23,29 +23,16 @@
DWORD WINAPI render_main(void)
{
int i,j;
PIXELFORMATDESCRIPTOR pfd;
HDC hDC;
HGLRC hRC;
hDC = GetDC(ddraw->hWnd);
int tex_width = 1024;
int tex_height = 1024;
float scale_w = 1.0f;
float scale_h = 1.0f;
int *tex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, tex_width * tex_height * sizeof(int));
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = ddraw->render.bpp ? ddraw->render.bpp : ddraw->mode.dmBitsPerPel;
pfd.iLayerType = PFD_MAIN_PLANE;
SetPixelFormat( hDC, ChoosePixelFormat( hDC, &pfd ), &pfd );
hRC = wglCreateContext( hDC );
wglMakeCurrent( hDC, hRC );
hRC = wglCreateContext( ddraw->render.hDC );
wglMakeCurrent( ddraw->render.hDC, hRC );
DWORD tick_start;
DWORD tick_end;
@ -61,8 +48,6 @@ DWORD WINAPI render_main(void)
frame_len = 1000.0f / ddraw->render.maxfps;
}
ddraw->render.ev = CreateEvent(NULL, TRUE, FALSE, NULL);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tex_width, tex_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, tex);
glViewport(0, 0, ddraw->render.width, ddraw->render.height);
@ -114,7 +99,7 @@ DWORD WINAPI render_main(void)
glTexCoord2f(0,scale_h); glVertex2f(-1, -1);
glEnd();
SwapBuffers(hDC);
SwapBuffers(ddraw->render.hDC);
if(ddraw->render.maxfps > 0)
{
@ -130,12 +115,9 @@ DWORD WINAPI render_main(void)
}
HeapFree(GetProcessHeap(), 0, tex);
CloseHandle(ddraw->render.ev);
ddraw->render.ev = NULL;
wglMakeCurrent(NULL, NULL);
wglDeleteContext(hRC);
ReleaseDC(ddraw->hWnd, hDC);
return 0;
}