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1. Added assertion to append_render_primitive() to test for degenerate case

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2.  Added check that seems to occur on screenless systems
This commit is contained in:
Nathan Woods 2007-12-24 07:39:36 +00:00
parent 707e623381
commit f27de85b8e
1 changed files with 12 additions and 6 deletions
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18
src/emu/render.c
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@ -385,6 +385,9 @@ INLINE render_primitive *alloc_render_primitive(int type)
INLINE void append_render_primitive(render_primitive_list *list, render_primitive *prim)
{
assert(prim->bounds.x0 <= prim->bounds.x1);
assert(prim->bounds.y0 <= prim->bounds.y1);
*list->nextptr = prim;
list->nextptr = &prim->next;
}
@ -1531,12 +1534,15 @@ const render_primitive_list *render_target_get_primitives(render_target *target)
prim->flags = PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA);
append_render_primitive(&target->primlist[listnum], prim);
prim = alloc_render_primitive(RENDER_PRIMITIVE_QUAD);
set_render_bounds_xy(&prim->bounds, 1.0f, 1.0f, (float)(target->width - 1), (float)(target->height - 1));
set_render_color(&prim->color, 1.0f, 0.0f, 0.0f, 0.0f);
prim->texture.base = NULL;
prim->flags = PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA);
append_render_primitive(&target->primlist[listnum], prim);
if ((target->width > 1) && (target->height > 1))
{
prim = alloc_render_primitive(RENDER_PRIMITIVE_QUAD);
set_render_bounds_xy(&prim->bounds, 1.0f, 1.0f, (float)(target->width - 1), (float)(target->height - 1));
set_render_color(&prim->color, 1.0f, 0.0f, 0.0f, 0.0f);
prim->texture.base = NULL;
prim->flags = PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA);
append_render_primitive(&target->primlist[listnum], prim);
}
}
/* process the UI if we are the UI target */