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Merge pull request #1 from foxtacles/implement-getprimarybitdepth

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implement GetPrimaryBitDepth
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MS 2023-06-17 16:52:30 -04:00 committed by GitHub
commit c4dc66a3ae
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2 changed files with 23 additions and 9 deletions
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26
LEGO1/mxdirectdraw.cpp
View File

@ -2,11 +2,14 @@
#include "mxdirectdraw.h" #include "mxdirectdraw.h"
BOOL g_paletteIndexed8 = 0;
BOOL DAT_10100c70 = 0;
HRESULT MxDirectDraw::SetEntries() HRESULT MxDirectDraw::SetEntries()
{ {
HRESULT ret; HRESULT ret;
if (m_unk848) { if (m_paletteIndexed8) {
if (m_ddpal) { if (m_ddpal) {
ret = m_ddpal->SetEntries(0, 0, 256, m_pal1); ret = m_ddpal->SetEntries(0, 0, 256, m_pal1);
if (ret != DD_OK) { if (ret != DD_OK) {
@ -49,11 +52,24 @@ void MxDirectDraw::FUN_1009e830(char *error_msg, HRESULT ret)
int MxDirectDraw::GetPrimaryBitDepth() int MxDirectDraw::GetPrimaryBitDepth()
{ {
DWORD dwRGBBitCount;
LPDIRECTDRAW pDDraw; LPDIRECTDRAW pDDraw;
DDSURFACEDESC ddsd;
DirectDrawCreate(NULL, &pDDraw, NULL); HRESULT result = DirectDrawCreate(NULL, &pDDraw, NULL);
dwRGBBitCount = 0;
if (!result)
{
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
return 0; pDDraw->GetDisplayMode(&ddsd);
dwRGBBitCount = ddsd.ddpfPixelFormat.dwRGBBitCount;
g_paletteIndexed8 = (ddsd.ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) != 0;
pDDraw->Release();
}
return dwRGBBitCount;
} }
int MxDirectDraw::Pause(int param_1) int MxDirectDraw::Pause(int param_1)
@ -69,7 +85,7 @@ int MxDirectDraw::Pause(int param_1)
return 0; return 0;
} }
if (m_unk84c) { if (m_fullScreen) {
if (!FlipToGDISurface()) { if (!FlipToGDISurface()) {
return 0; return 0;
} }
@ -96,7 +112,7 @@ HRESULT MxDirectDraw::FUN_1009e750()
{ {
HRESULT ret; HRESULT ret;
if (m_unk84c && m_unk848) { if (m_fullScreen && m_paletteIndexed8) {
if (m_ddpal) { if (m_ddpal) {
ret = m_ddpal->SetEntries(0, 0, 256, m_pal0); ret = m_ddpal->SetEntries(0, 0, 256, m_pal0);
if (ret != DD_OK) { if (ret != DD_OK) {

6
LEGO1/mxdirectdraw.h
View File

@ -24,14 +24,12 @@ class MxDirectDraw
PALETTEENTRY m_pal0[256]; // +0x2c PALETTEENTRY m_pal0[256]; // +0x2c
PALETTEENTRY m_pal1[256]; // +0x42c PALETTEENTRY m_pal1[256]; // +0x42c
HWND hWindow; // +0x83c HWND hWindow; // +0x83c
long m_unk848; BOOL m_paletteIndexed8;
long m_unk84c; BOOL m_fullScreen;
void (*m_unk85c)(char *, HRESULT, long); // error handler or logger? void (*m_unk85c)(char *, HRESULT, long); // error handler or logger?
long m_unk864; long m_unk864;
long m_unk86c; long m_unk86c;
}; };
BOOL DAT_10100c70 = 0;
#endif // MXDIRECTDRAW_H #endif // MXDIRECTDRAW_H