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Fixed pick_best_mode in both d3d and ddraw cases to manually extract

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refresh information from the device's inline_config, since this is
done before the screen devices are start. Fixes 01491: switchres 
causes Exception at EIP=009413BF: ACCESS VIOLATION.

Also, fixed render_target_get_minimum_size() to return nominal values
if no screens are found.
This commit is contained in:
Aaron Giles 2008-03-17 15:50:12 +00:00
parent 75056eb1b5
commit ec550fa07b
3 changed files with 30 additions and 6 deletions
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15
src/emu/render.c
View File

@ -1405,6 +1405,7 @@ void render_target_compute_visible_area(render_target *target, INT32 target_widt
void render_target_get_minimum_size(render_target *target, INT32 *minwidth, INT32 *minheight)
{
float maxxscale = 1.0f, maxyscale = 1.0f;
int screens_considered = 0;
int layer;
/* scan the current view for all screens */
@ -1450,12 +1451,18 @@ void render_target_get_minimum_size(render_target *target, INT32 *minwidth, INT3
}
/* pick the greater */
if (xscale > maxxscale)
maxxscale = xscale;
if (yscale > maxyscale)
maxyscale = yscale;
maxxscale = MAX(xscale, maxxscale);
maxyscale = MAX(yscale, maxyscale);
screens_considered++;
}
}
/* if there were no screens considered, pick a nominal default */
if (screens_considered == 0)
{
maxxscale = 640.0f;
maxyscale = 480.0f;
}
/* round up */
if (minwidth != NULL)

10
src/osd/windows/drawd3d.c
View File

@ -1238,7 +1238,8 @@ static int get_adapter_for_monitor(d3d_info *d3d, win_monitor_info *monitor)
static void pick_best_mode(win_window_info *window)
{
double target_refresh = ATTOSECONDS_TO_HZ(video_screen_get_frame_period(Machine->primary_screen).attoseconds);
const device_config *primary_screen = video_screen_first(Machine->config);
double target_refresh = 60.0;
INT32 target_width, target_height;
d3d_info *d3d = window->drawdata;
INT32 minwidth, minheight;
@ -1246,6 +1247,13 @@ static void pick_best_mode(win_window_info *window)
int maxmodes;
int modenum;
// determine the refresh rate of the primary screen
if (primary_screen != NULL)
{
const screen_config *config = primary_screen->inline_config;
target_refresh = ATTOSECONDS_TO_HZ(config->refresh);
}
// determine the minimum width/height for the selected target
// note: technically we should not be calling this from an alternate window
// thread; however, it is only done during init time, and the init code on

11
src/osd/windows/drawdd.c
View File

@ -1291,6 +1291,7 @@ static HRESULT WINAPI enum_modes_callback(LPDDSURFACEDESC2 desc, LPVOID context)
static void pick_best_mode(win_window_info *window)
{
const device_config *primary_screen = video_screen_first(Machine->config);
dd_info *dd = window->drawdata;
mode_enum_info einfo;
HRESULT result;
@ -1304,7 +1305,15 @@ static void pick_best_mode(win_window_info *window)
// use those as the target for now
einfo.target_width = einfo.minimum_width * MAX(1, video_config.prescale);
einfo.target_height = einfo.minimum_height * MAX(1, video_config.prescale);
einfo.target_refresh = ATTOSECONDS_TO_HZ(video_screen_get_frame_period(Machine->primary_screen).attoseconds);
// determine the refresh rate of the primary screen
einfo.target_refresh = 60.0;
if (primary_screen != NULL)
{
const screen_config *config = primary_screen->inline_config;
einfo.target_refresh = ATTOSECONDS_TO_HZ(config->refresh);
}
printf("Target refresh = %f\n", einfo.target_refresh);
// if we're not stretching, allow some slop on the minimum since we can handle it
if (!video_config.hwstretch)