Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-22 16:31:49 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

-svg_renderer: Flag when output contents have not changed. [Ryan Holtz] (#8791)

Browse Source
This commit is contained in:
MooglyGuy 2021-11-06 13:46:10 +01:00 committed by GitHub
parent 2b025ea08d
commit b0ac175b49
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/emu/screen.cpp
View File

@ -79,6 +79,7 @@ private:
int m_sx, m_sy;
double m_scale;
std::vector<u32> m_background;
bool m_has_changed_since_last_update;
std::vector<cached_bitmap> m_cache;
@ -197,6 +198,10 @@ int screen_device::svg_renderer::render(screen_device &screen, bitmap_rgb32 &bit
rebuild_cache();
}
if (!m_has_changed_since_last_update)
return UPDATE_HAS_NOT_CHANGED;
m_has_changed_since_last_update = false;
for(unsigned int y = 0; y < m_sy; y++)
memcpy(bitmap.raw_pixptr(y, 0), &m_background[y * m_sx], m_sx * 4);
@ -227,6 +232,10 @@ void screen_device::svg_renderer::output_change(const char *outname, s32 value)
auto l = m_key_ids.find(outname);
if (l == m_key_ids.end())
return;
if (m_key_state[l->second] != value)
m_has_changed_since_last_update = true;
m_key_state[l->second] = value;
}
@ -515,6 +524,8 @@ void screen_device::svg_renderer::rebuild_cache()
spos = epos;
epos = ckey;
}
m_has_changed_since_last_update = true;
}
//**************************************************************************