SDL_DXGIGetOutputInfo() checks input parameters and returns a boolean value whether or not it succeeded.
Sam Lantinga
parent
fc9e3a69b7
commit
03afd0de40
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@ -59,7 +59,7 @@ extern DECLSPEC IDirect3DDevice9* SDLCALL SDL_RenderGetD3D9Device(SDL_Renderer *
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These can be passed to EnumAdapters and EnumOutputs respectively to get the objects
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required to create a DX10 or DX11 device and swap chain.
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*/
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extern DECLSPEC void SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *adapterIndex, int *outputIndex );
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extern DECLSPEC SDL_bool SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *adapterIndex, int *outputIndex );
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#endif /* __WIN32__ */
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@ -604,5 +604,5 @@ SDL_DYNAPI_PROC(SDL_bool,SDL_HasAVX,(void),(),return)
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SDL_DYNAPI_PROC(SDL_AssertionHandler,SDL_GetDefaultAssertionHandler,(void),(),return)
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SDL_DYNAPI_PROC(SDL_AssertionHandler,SDL_GetAssertionHandler,(void **a),(a),return)
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#ifdef __WIN32__
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SDL_DYNAPI_PROC(void,SDL_DXGIGetOutputInfo,(int a,int *b, int *c),(a,b,c),)
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SDL_DYNAPI_PROC(SDL_bool,SDL_DXGIGetOutputInfo,(int a,int *b, int *c),(a,b,c),return)
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#endif
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@ -182,67 +182,67 @@ WIN_VideoQuit(_THIS)
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SDL_bool
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D3D_LoadDLL( void **pD3DDLL, IDirect3D9 **pDirect3D9Interface )
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{
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*pD3DDLL = SDL_LoadObject("D3D9.DLL");
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if (*pD3DDLL) {
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IDirect3D9 *(WINAPI * D3DCreate) (UINT SDKVersion);
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*pD3DDLL = SDL_LoadObject("D3D9.DLL");
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if (*pD3DDLL) {
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IDirect3D9 *(WINAPI * D3DCreate) (UINT SDKVersion);
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D3DCreate =
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(IDirect3D9 * (WINAPI *) (UINT)) SDL_LoadFunction(*pD3DDLL,
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"Direct3DCreate9");
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if (D3DCreate) {
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*pDirect3D9Interface = D3DCreate(D3D_SDK_VERSION);
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}
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if (!*pDirect3D9Interface) {
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SDL_UnloadObject(*pD3DDLL);
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*pD3DDLL = NULL;
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return SDL_FALSE;
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}
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D3DCreate =
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(IDirect3D9 * (WINAPI *) (UINT)) SDL_LoadFunction(*pD3DDLL,
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"Direct3DCreate9");
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if (D3DCreate) {
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*pDirect3D9Interface = D3DCreate(D3D_SDK_VERSION);
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}
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if (!*pDirect3D9Interface) {
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SDL_UnloadObject(*pD3DDLL);
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*pD3DDLL = NULL;
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return SDL_FALSE;
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}
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return SDL_TRUE;
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} else {
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*pDirect3D9Interface = NULL;
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return SDL_FALSE;
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}
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return SDL_TRUE;
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} else {
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*pDirect3D9Interface = NULL;
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return SDL_FALSE;
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}
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}
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int
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SDL_Direct3D9GetAdapterIndex( int displayIndex )
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{
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void *pD3DDLL;
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IDirect3D9 *pD3D;
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if (!D3D_LoadDLL(&pD3DDLL, &pD3D)) {
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SDL_SetError("Unable to create Direct3D interface");
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return D3DADAPTER_DEFAULT;
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} else {
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SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
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int adapterIndex = D3DADAPTER_DEFAULT;
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void *pD3DDLL;
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IDirect3D9 *pD3D;
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if (!D3D_LoadDLL(&pD3DDLL, &pD3D)) {
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SDL_SetError("Unable to create Direct3D interface");
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return D3DADAPTER_DEFAULT;
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} else {
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SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
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int adapterIndex = D3DADAPTER_DEFAULT;
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if (!pData) {
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SDL_SetError("Invalid display index");
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adapterIndex = -1; /* make sure we return something invalid */
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} else {
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char *displayName = WIN_StringToUTF8(pData->DeviceName);
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unsigned int count = IDirect3D9_GetAdapterCount(pD3D);
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unsigned int i;
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for (i=0; i<count; i++) {
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D3DADAPTER_IDENTIFIER9 id;
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IDirect3D9_GetAdapterIdentifier(pD3D, i, 0, &id);
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if (!pData) {
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SDL_SetError("Invalid display index");
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adapterIndex = -1; /* make sure we return something invalid */
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} else {
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char *displayName = WIN_StringToUTF8(pData->DeviceName);
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unsigned int count = IDirect3D9_GetAdapterCount(pD3D);
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unsigned int i;
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for (i=0; i<count; i++) {
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D3DADAPTER_IDENTIFIER9 id;
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IDirect3D9_GetAdapterIdentifier(pD3D, i, 0, &id);
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if (SDL_strcmp(id.DeviceName, displayName) == 0) {
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adapterIndex = i;
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break;
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}
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}
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SDL_free(displayName);
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}
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if (SDL_strcmp(id.DeviceName, displayName) == 0) {
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adapterIndex = i;
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break;
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}
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}
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SDL_free(displayName);
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}
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/* free up the D3D stuff we inited */
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IDirect3D9_Release(pD3D);
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SDL_UnloadObject(pD3DDLL);
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/* free up the D3D stuff we inited */
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IDirect3D9_Release(pD3D);
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SDL_UnloadObject(pD3DDLL);
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return adapterIndex;
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}
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return adapterIndex;
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}
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}
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#define CINTERFACE
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@ -250,84 +250,98 @@ SDL_Direct3D9GetAdapterIndex( int displayIndex )
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#include <dxgi.h>
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SDL_bool
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DXGI_LoadDLL( void **pDXGIDLL , IDXGIFactory **pDXGIFactory )
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DXGI_LoadDLL(void **pDXGIDLL, IDXGIFactory **pDXGIFactory)
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{
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*pDXGIDLL = SDL_LoadObject("DXGI.DLL");
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if (*pDXGIDLL ) {
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HRESULT (WINAPI *CreateDXGI)( REFIID riid, void **ppFactory );
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*pDXGIDLL = SDL_LoadObject("DXGI.DLL");
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if (!*pDXGIDLL) {
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HRESULT (WINAPI *CreateDXGI)( REFIID riid, void **ppFactory );
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CreateDXGI =
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(HRESULT (WINAPI *) (REFIID, void**)) SDL_LoadFunction(*pDXGIDLL,
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"CreateDXGIFactory");
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if (CreateDXGI) {
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GUID dxgiGUID = {0x7b7166ec,0x21c7,0x44ae,{0xb2,0x1a,0xc9,0xae,0x32,0x1a,0xe3,0x69}};
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if( !SUCCEEDED( CreateDXGI( &dxgiGUID, (void**)pDXGIFactory ))) {
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*pDXGIFactory = NULL;
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}
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}
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if (!*pDXGIFactory) {
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SDL_UnloadObject(*pDXGIDLL);
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*pDXGIDLL = NULL;
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return SDL_FALSE;
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}
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CreateDXGI =
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(HRESULT (WINAPI *) (REFIID, void**)) SDL_LoadFunction(*pDXGIDLL,
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"CreateDXGIFactory");
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if (CreateDXGI) {
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GUID dxgiGUID = {0x7b7166ec,0x21c7,0x44ae,{0xb2,0x1a,0xc9,0xae,0x32,0x1a,0xe3,0x69}};
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if (!SUCCEEDED(CreateDXGI(&dxgiGUID, (void**)pDXGIFactory))) {
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*pDXGIFactory = NULL;
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}
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}
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if (!*pDXGIFactory) {
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SDL_UnloadObject(*pDXGIDLL);
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*pDXGIDLL = NULL;
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return SDL_FALSE;
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}
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return SDL_TRUE;
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} else {
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*pDXGIFactory = NULL;
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return SDL_FALSE;
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}
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return SDL_TRUE;
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} else {
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*pDXGIFactory = NULL;
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return SDL_FALSE;
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}
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}
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void
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SDL_DXGIGetOutputInfo( int displayIndex, int *adapterIndex, int *outputIndex )
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SDL_bool
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SDL_DXGIGetOutputInfo(int displayIndex, int *adapterIndex, int *outputIndex)
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{
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void *pDXGIDLL;
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IDXGIFactory *pDXGIFactory;
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SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
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void *pDXGIDLL;
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IDXGIFactory *pDXGIFactory;
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IDXGIAdapter *pDXGIAdapter;
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IDXGIOutput* pDXGIOutput;
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int nAdapter = 0, nOutput = 0;
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char *displayName;
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*adapterIndex = -1;
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*outputIndex = -1;
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if (!adapterIndex) {
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SDL_InvalidParamError("adapterIndex");
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return SDL_FALSE;
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}
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if (!DXGI_LoadDLL(&pDXGIDLL, &pDXGIFactory)) {
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SDL_SetError("Unable to create DXGI interface");
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} else {
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SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
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if (!outputIndex) {
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SDL_InvalidParamError("outputIndex");
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return SDL_FALSE;
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}
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if (!pData) {
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SDL_SetError("Invalid display index");
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} else {
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char *displayName = WIN_StringToUTF8(pData->DeviceName);
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int nAdapter = 0, nOutput = 0;
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IDXGIAdapter* pDXGIAdapter;
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while ( *adapterIndex == -1 && IDXGIFactory_EnumAdapters(pDXGIFactory, nAdapter, &pDXGIAdapter) != DXGI_ERROR_NOT_FOUND ) {
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IDXGIOutput* pDXGIOutput;
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while ( *adapterIndex == -1 && IDXGIAdapter_EnumOutputs(pDXGIAdapter, nOutput, &pDXGIOutput) != DXGI_ERROR_NOT_FOUND ) {
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DXGI_OUTPUT_DESC outputDesc;
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if (SUCCEEDED(IDXGIOutput_GetDesc(pDXGIOutput, &outputDesc))) {
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char *outputName = WIN_StringToUTF8(outputDesc.DeviceName);
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*adapterIndex = -1;
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*outputIndex = -1;
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if(!SDL_strcmp(outputName, displayName)) {
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*adapterIndex = nAdapter;
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*outputIndex = nOutput;
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}
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if (!pData) {
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SDL_SetError("Invalid display index");
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return SDL_FALSE;
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}
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SDL_free( outputName );
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}
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if (!DXGI_LoadDLL(&pDXGIDLL, &pDXGIFactory)) {
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SDL_SetError("Unable to create DXGI interface");
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return SDL_FALSE;
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}
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IDXGIOutput_Release( pDXGIOutput );
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nOutput++;
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}
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displayName = WIN_StringToUTF8(pData->DeviceName);
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while (*adapterIndex == -1 && SUCCEEDED(IDXGIFactory_EnumAdapters(pDXGIFactory, nAdapter, &pDXGIAdapter))) {
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while (*adapterIndex == -1 && SUCCEEDED(IDXGIAdapter_EnumOutputs(pDXGIAdapter, nOutput, &pDXGIOutput))) {
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DXGI_OUTPUT_DESC outputDesc;
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if (SUCCEEDED(IDXGIOutput_GetDesc(pDXGIOutput, &outputDesc))) {
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char *outputName = WIN_StringToUTF8(outputDesc.DeviceName);
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if (SDL_strcmp(outputName, displayName) == 0) {
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*adapterIndex = nAdapter;
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*outputIndex = nOutput;
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}
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SDL_free( outputName );
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}
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IDXGIOutput_Release(pDXGIOutput);
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nOutput++;
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}
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IDXGIAdapter_Release(pDXGIAdapter);
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nAdapter++;
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}
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SDL_free(displayName);
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IDXGIAdapter_Release( pDXGIAdapter );
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nAdapter++;
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}
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SDL_free(displayName);
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}
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/* free up the DXGI factory */
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IDXGIFactory_Release(pDXGIFactory);
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SDL_UnloadObject(pDXGIDLL);
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/* free up the D3D stuff we inited */
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IDXGIFactory_AddRef( pDXGIFactory );
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SDL_UnloadObject(pDXGIDLL);
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}
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if (*adapterIndex == -1) {
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return SDL_FALSE;
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} else {
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return SDL_TRUE;
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}
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}
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#endif /* SDL_VIDEO_DRIVER_WINDOWS */
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