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MT04633 - permit visarea to exceed width/height, and allocate

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screen bitmaps based on the larger of the two.
This commit is contained in:
Aaron Giles 2012-01-25 08:11:36 +00:00
parent 490caec751
commit 25babce0fb
1 changed files with 8 additions and 1 deletions
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9
src/emu/screen.c
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@ -430,6 +430,8 @@ void screen_device::configure(int width, int height, const rectangle &visarea, a
assert(height > 0);
assert(visarea.min_x >= 0);
assert(visarea.min_y >= 0);
// assert(visarea.max_x < width);
// assert(visarea.max_y < height);
assert(m_type == SCREEN_TYPE_VECTOR || visarea.min_x < width);
assert(m_type == SCREEN_TYPE_VECTOR || visarea.min_y < height);
assert(frame_period > 0);
@ -504,12 +506,17 @@ void screen_device::reset_origin(int beamy, int beamx)
void screen_device::realloc_screen_bitmaps()
{
// doesn't apply for vector games
if (m_type == SCREEN_TYPE_VECTOR)
return;
// determine effective size to allocate
INT32 effwidth = MAX(m_width, m_visarea.max_x + 1);
INT32 effheight = MAX(m_height, m_visarea.max_y + 1);
// reize all registered screen bitmaps
for (auto_bitmap_item *item = m_auto_bitmap_list.first(); item != NULL; item = item->next())
item->m_bitmap.resize(m_width, m_height);
item->m_bitmap.resize(effwidth, effheight);
// re-set up textures
m_texture[0]->set_bitmap(m_bitmap[0], m_visarea, m_bitmap[0].texformat());