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optional D3DCREATE_FPU_PRESERVE for dune2000 and other games that might need it

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FunkyFr3sh 2021-12-18 04:59:25 +01:00
parent d654beab46
commit c6a5603294
3 changed files with 20 additions and 6 deletions
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1
inc/dd.h
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@ -137,6 +137,7 @@ typedef struct CNCDDRAW
HCURSOR old_cursor; HCURSOR old_cursor;
int show_cursor_count; int show_cursor_count;
BOOL novidmem; BOOL novidmem;
BOOL fpupreserve;
BOOL accurate_timers; BOOL accurate_timers;
BOOL resizable; BOOL resizable;
BOOL nonexclusive; BOOL nonexclusive;

13
src/config.c
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@ -45,6 +45,7 @@ void cfg_load()
g_ddraw->d3d9linear = cfg_get_bool("d3d9linear", TRUE); g_ddraw->d3d9linear = cfg_get_bool("d3d9linear", TRUE);
g_ddraw->gdilinear = cfg_get_bool("gdilinear", FALSE); g_ddraw->gdilinear = cfg_get_bool("gdilinear", FALSE);
g_ddraw->resolutions = cfg_get_int("resolutions", RESLIST_NORMAL); g_ddraw->resolutions = cfg_get_int("resolutions", RESLIST_NORMAL);
g_ddraw->fpupreserve = cfg_get_bool("fpupreserve", FALSE);
cfg_get_string("screenshotdir", ".\\Screenshots\\", g_ddraw->screenshot_dir, sizeof(g_ddraw->screenshot_dir)); cfg_get_string("screenshotdir", ".\\Screenshots\\", g_ddraw->screenshot_dir, sizeof(g_ddraw->screenshot_dir));
if (g_ddraw->locktopleft) if (g_ddraw->locktopleft)
@ -337,6 +338,10 @@ static void cfg_create_ini()
"; Note: Disables upscaling if a child window was detected\n" "; Note: Disables upscaling if a child window was detected\n"
"fixchilds=2\n" "fixchilds=2\n"
"\n" "\n"
"; Set the precision for Direct3D9 floating-point calculations to the precision used by the calling thread\n"
"; Note: Enable this if there are desyncs in online games\n"
"fpupreserve=false\n"
"\n"
"\n" "\n"
"\n" "\n"
"; ### Hotkeys ###\n" "; ### Hotkeys ###\n"
@ -648,6 +653,14 @@ static void cfg_create_ini()
"renderer=gdi\n" "renderer=gdi\n"
"hook=2\n" "hook=2\n"
"\n" "\n"
"; Dune 2000\n"
"[dune2000]\n"
"fpupreserve=false\n"
"\n"
"; Dune 2000 - CnCNet\n"
"[dune2000-spawn]\n"
"fpupreserve=false\n"
"\n"
"; Dragon Throne: Battle of Red Cliffs\n" "; Dragon Throne: Battle of Red Cliffs\n"
"[AdSanguo]\n" "[AdSanguo]\n"
"maxgameticks=60\n" "maxgameticks=60\n"

12
src/render_d3d9.c
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@ -71,11 +71,11 @@ BOOL d3d9_create()
g_d3d9.params.BackBufferCount = 1; g_d3d9.params.BackBufferCount = 1;
DWORD behavior_flags[] = { DWORD behavior_flags[] = {
D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE, D3DCREATE_MULTITHREADED | D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE,
D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE, D3DCREATE_MULTITHREADED | D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE,
D3DCREATE_HARDWARE_VERTEXPROCESSING, D3DCREATE_MULTITHREADED | D3DCREATE_HARDWARE_VERTEXPROCESSING,
D3DCREATE_MIXED_VERTEXPROCESSING, D3DCREATE_MULTITHREADED | D3DCREATE_MIXED_VERTEXPROCESSING,
D3DCREATE_SOFTWARE_VERTEXPROCESSING, D3DCREATE_MULTITHREADED | D3DCREATE_SOFTWARE_VERTEXPROCESSING,
}; };
for (int i = 0; i < sizeof(behavior_flags) / sizeof(behavior_flags[0]); i++) for (int i = 0; i < sizeof(behavior_flags) / sizeof(behavior_flags[0]); i++)
@ -86,7 +86,7 @@ BOOL d3d9_create()
D3DADAPTER_DEFAULT, D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL, D3DDEVTYPE_HAL,
g_ddraw->hwnd, g_ddraw->hwnd,
D3DCREATE_MULTITHREADED | behavior_flags[i], behavior_flags[i] | (g_ddraw->fpupreserve ? D3DCREATE_FPU_PRESERVE : 0),
&g_d3d9.params, &g_d3d9.params,
&g_d3d9.device))) &g_d3d9.device)))
return g_d3d9.device && d3d9_create_resouces() && d3d9_set_states(); return g_d3d9.device && d3d9_create_resouces() && d3d9_set_states();