Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-21 07:52:35 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

only calculate m_aspect and m_srcaspect in layout_view::recompute() when they are actually used (nw)

Browse Source
This commit is contained in:
Oliver Stöneberg 2014-10-21 15:09:27 +02:00
parent 1f06e19970
commit 76c5f4713a
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/emu/rendlay.c
View File

@ -2190,14 +2190,13 @@ void layout_view::recompute(render_layer_config layerconfig)
if (m_expbounds.x1 > m_expbounds.x0)
m_bounds = m_expbounds;
// compute the aspect ratio of the view
m_aspect = (m_bounds.x1 - m_bounds.x0) / (m_bounds.y1 - m_bounds.y0);
m_scraspect = (m_scrbounds.x1 - m_scrbounds.x0) / (m_scrbounds.y1 - m_scrbounds.y0);
// if we're handling things normally, the target bounds are (0,0)-(1,1)
render_bounds target_bounds;
if (!layerconfig.zoom_to_screen() || m_screens.count() == 0)
{
// compute the aspect ratio of the view
m_aspect = (m_bounds.x1 - m_bounds.x0) / (m_bounds.y1 - m_bounds.y0);
target_bounds.x0 = target_bounds.y0 = 0.0f;
target_bounds.x1 = target_bounds.y1 = 1.0f;
}
@ -2205,6 +2204,9 @@ void layout_view::recompute(render_layer_config layerconfig)
// if we're cropping, we want the screen area to fill (0,0)-(1,1)
else
{
// compute the aspect ratio of the screen
m_scraspect = (m_scrbounds.x1 - m_scrbounds.x0) / (m_scrbounds.y1 - m_scrbounds.y0);
float targwidth = (m_bounds.x1 - m_bounds.x0) / (m_scrbounds.x1 - m_scrbounds.x0);
float targheight = (m_bounds.y1 - m_bounds.y0) / (m_scrbounds.y1 - m_scrbounds.y0);
target_bounds.x0 = (m_bounds.x0 - m_scrbounds.x0) / (m_bounds.x1 - m_bounds.x0) * targwidth;