raze-gles/source/tools/src/enumdisplay.cpp

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#include "compat.h"
#define NEED_DDRAW_H
#include "windows_inc.h"
#define DEFAULT_OUTPUT_FILE "enumdisplay.txt"
HMODULE hDDrawDLL = NULL;
LPDIRECTDRAW lpDD = NULL;
FILE *output = NULL;
void usage(void)
{
printf(
"enumdisplay by Jonathon Fowler (jf@jonof.id.au)\n"
"Options:\n"
" -h, -?, --help This message\n"
" -o <filename> Use different output file (default: "
DEFAULT_OUTPUT_FILE ", use - for stdout)\n"
);
}
void dumpdevmode(DEVMODE *devmode)
{
fprintf(output, "\tdmFields has");
if (devmode->dmFields & DM_PELSWIDTH) fprintf(output, " DM_PELSWIDTH");
if (devmode->dmFields & DM_PELSHEIGHT) fprintf(output, " DM_PELSHEIGHT");
if (devmode->dmFields & DM_BITSPERPEL) fprintf(output, " DM_BITSPERPEL");
fprintf(output, "\n\tdmPelsWidth = %lu\n", devmode->dmPelsWidth);
fprintf(output, "\tdmPelsHeight = %lu\n", devmode->dmPelsHeight);
fprintf(output, "\tdmBitsPerPel = %lu\n", devmode->dmBitsPerPel);
}
HRESULT WINAPI ddenum(DDSURFACEDESC *ddsd, VOID *udata ATTRIBUTE((unused)))
{
fprintf(output, "\tdwFlags has");
if (ddsd->dwFlags & DDSD_WIDTH) fprintf(output, " DDSD_WIDTH");
if (ddsd->dwFlags & DDSD_HEIGHT) fprintf(output, " DDSD_HEIGHT");
if (ddsd->dwFlags & DDSD_PIXELFORMAT) fprintf(output, " DDSD_PIXELFORMAT");
fprintf(output, "\n\tdwWidth = %lu\n", ddsd->dwWidth);
fprintf(output, "\tdwHeight = %lu\n", ddsd->dwHeight);
fprintf(output, "\tddpfPixelFormat.dwFlags has");
if (ddsd->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED1) fprintf(output, " DDPF_PALETTEINDEXED1");
if (ddsd->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED2) fprintf(output, " DDPF_PALETTEINDEXED2");
if (ddsd->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED4) fprintf(output, " DDPF_PALETTEINDEXED4");
if (ddsd->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) fprintf(output, " DDPF_PALETTEINDEXED8");
if (ddsd->ddpfPixelFormat.dwFlags & DDPF_RGB) fprintf(output, " DDPF_RGB");
fprintf(output, "\n\tddpfPixelFormat.dwRGBBitCount = %lu\n", ddsd->ddpfPixelFormat.dwRGBBitCount);
fprintf(output, "\n");
return(DDENUMRET_OK);
}
typedef HRESULT (WINAPI *aDirectDrawCreateType)(GUID *, LPDIRECTDRAW *, IUnknown *);
typedef HRESULT (WINAPI *aDirectDrawEnumerateType)(LPDDENUMCALLBACK, LPVOID);
int InitDirectDraw(void)
{
HRESULT result;
aDirectDrawCreateType aDirectDrawCreate;
aDirectDrawEnumerateType aDirectDrawEnumerate;
hDDrawDLL = LoadLibrary("DDRAW.DLL");
if (!hDDrawDLL) { fprintf(output, "Failed loading DDRAW.DLL\n"); return -1; }
aDirectDrawEnumerate = (aDirectDrawEnumerateType)GetProcAddress(hDDrawDLL, "DirectDrawEnumerateA");
if (!aDirectDrawEnumerate) { fprintf(output, "Error fetching DirectDrawEnumerate\n"); return -1; }
aDirectDrawCreate = (aDirectDrawCreateType)GetProcAddress(hDDrawDLL, "DirectDrawCreate");
if (!aDirectDrawCreate) { fprintf(output, "Error fetching DirectDrawCreate\n"); return -1; }
result = aDirectDrawCreate(NULL, &lpDD, NULL);
if (result != DD_OK) { fprintf(output, "DirectDrawCreate() failed (%ld)\n", result); return -1; }
return 0;
}
void UninitDirectDraw(void)
{
if (lpDD) IDirectDraw_Release(lpDD);
lpDD = NULL;
if (hDDrawDLL) FreeLibrary(hDDrawDLL);
hDDrawDLL = NULL;
}
int main(int argc, char **argv)
{
char const * outputfile = DEFAULT_OUTPUT_FILE;
int i;
DEVMODE devmode;
HRESULT hresult;
for (i=1; i<argc; i++) {
if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "-?") || !strcmp(argv[i], "--help")) {
usage();
return 0;
} else if (!strcmp(argv[i], "-o")) {
outputfile = argv[++i];
}
}
if (!strcmp(outputfile, "-")) {
output = fdopen(1, "wt");
outputfile = NULL;
} else {
output = fopen(outputfile, "wt");
if (!output) {
fprintf(stderr, "enumdisplay: failed to open %s for output\n", outputfile);
return 1;
}
}
fprintf(output,
"enumdisplay results\n"
"\n"
"Display settings:\n"
);
ZeroMemory(&devmode, sizeof(devmode));
devmode.dmSize = sizeof(DEVMODE);
if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devmode)) {
fprintf(output, "\tEnumDisplaySettings() FAILED!\n");
} else {
dumpdevmode(&devmode);
}
fprintf(output,
"\n"
"All modes from EnumDisplaySettings:\n"
);
ZeroMemory(&devmode, sizeof(devmode));
devmode.dmSize = sizeof(DEVMODE);
i = 0;
while (EnumDisplaySettings(NULL, i, &devmode)) {
dumpdevmode(&devmode);
fprintf(output, "\n");
ZeroMemory(&devmode, sizeof(devmode));
devmode.dmSize = sizeof(DEVMODE);
i++;
}
if (!InitDirectDraw()) {
fprintf(output,
"\n"
"All modes from IDirectDraw::EnumDisplayModes:\n"
);
hresult = IDirectDraw_EnumDisplayModes(lpDD, 0, NULL, (LPVOID)0, ddenum);
if (hresult != DD_OK) {
fprintf(output, "\tIDirectDraw::EnumDisplayModes() FAILED! (%ld)\n", hresult);
}
}
UninitDirectDraw();
if (outputfile) fclose(output);
return 0;
}