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Fix aspect on rotated games

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This commit is contained in:
Antonio Giner 2016-03-21 01:14:41 +01:00
parent 57b1c6ab77
commit ffb9d33843
1 changed files with 13 additions and 9 deletions
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22
src/emu/render.cpp
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@ -1194,14 +1194,18 @@ void render_target::compute_visible_area(INT32 target_width, INT32 target_height
case SCALE_FRACTIONAL_X: case SCALE_FRACTIONAL_X:
case SCALE_INTEGER: case SCALE_INTEGER:
{ {
// Get source size and aspect
INT32 src_width, src_height; INT32 src_width, src_height;
compute_minimum_size(src_width, src_height); compute_minimum_size(src_width, src_height);
float dest_width, dest_width_asp, dest_height, dest_height_asp;
dest_width = dest_width_asp = (float)target_width;
dest_height = dest_height_asp = (float)target_height;
float src_aspect = m_curview->effective_aspect(m_layerconfig); float src_aspect = m_curview->effective_aspect(m_layerconfig);
// Apply orientation if required
if (target_orientation & ORIENTATION_SWAP_XY)
src_aspect = 1.0 / src_aspect;
// Get destination size and aspect
float dest_width = (float)target_width;
float dest_height = (float)target_height;
float dest_aspect = dest_width / dest_height * target_pixel_aspect; float dest_aspect = dest_width / dest_height * target_pixel_aspect;
// We need to work out which one is the horizontal axis, regardless of the monitor orientation // We need to work out which one is the horizontal axis, regardless of the monitor orientation
@ -1209,17 +1213,17 @@ void render_target::compute_visible_area(INT32 target_width, INT32 target_height
if (dest_aspect > 1.0) if (dest_aspect > 1.0)
{ {
// x-axis matches monitor's horizontal dimension // x-axis matches monitor's horizontal dimension
dest_width_asp *= m_keepaspect? src_aspect / dest_aspect : 1.0; dest_width *= m_keepaspect? src_aspect / dest_aspect : 1.0;
xscale = m_scale_mode == SCALE_INTEGER? xscale = m_scale_mode == SCALE_INTEGER?
MAX(1, render_round_nearest(dest_width_asp / src_width)) : dest_width_asp / src_width; MAX(1, render_round_nearest(dest_width / src_width)) : dest_width / src_width;
yscale = MAX(1, render_round_nearest(dest_height / src_height)); yscale = MAX(1, render_round_nearest(dest_height / src_height));
} }
else else
{ {
// y-axis matches monitor's vertical dimension // y-axis matches monitor's vertical dimension
dest_height_asp *= m_keepaspect? dest_aspect / src_aspect : 1.0; dest_height *= m_keepaspect? dest_aspect / src_aspect : 1.0;
yscale = m_scale_mode == SCALE_INTEGER? yscale = m_scale_mode == SCALE_INTEGER?
MAX(1, render_round_nearest(dest_height_asp / src_height)) : dest_height_asp / src_height; MAX(1, render_round_nearest(dest_height / src_height)) : dest_height / src_height;
xscale = MAX(1, render_round_nearest(dest_width / src_width)); xscale = MAX(1, render_round_nearest(dest_width / src_width));
} }