static void draw_testpat(screen_device screen, bitmap_rgb32 bitmap, rectangle cliprect)
{
// Test pattern Grey scale
const int stripes = 255;
//auto va(screen.visible_area());
var va = cliprect;
for (int i = 0; i < stripes; i++)
{
int l = va.left() + (i * va.width() / stripes);
int w = (va.left() + (i + 1) * va.width() / stripes) - l;
int v = (255 * i) / stripes;
bitmap.plot_box(l, va.top() + 20, w, va.height() / 2 - 20, new rgb_t(0xff, (uint8_t)v, (uint8_t)v, (uint8_t)v));
}
{
int l = va.left() + va.width() / 4;
int w = va.width() / 4;
int t = va.top() + va.height() / 2;
int h = va.height() / 2;
// 50% Test pattern
for (int i = t; i < t + h; i += 2)
{
bitmap.plot_box(l, i, w, i, new rgb_t(0xff, 0xff, 0xff, 0xff));
bitmap.plot_box(l, i + 1, w, i + 1, new rgb_t(0xff, 0, 0, 0));
}
l += va.width() / 4;
bitmap.plot_box(l, t, w, h, new rgb_t(0xff, 0xc3, 0xc3, 0xc3)); // 195
}
}
protected virtual uint32_t screen_update(screen_device screen, bitmap_rgb32 bitmap, rectangle cliprect)
{
//printf("%f %f\n", m_state.m_fragments[0].y, m_state.m_fragments[m_state.m_fragments.size()-1].y);
bool force_vector = screen.screen_type() == SCREEN_TYPE_VECTOR || (m_vector.op0.read() & 1) != 0;
bool debug_timing = (m_enable.op0.read() & 2) == 2;
bool test_pat = (m_enable.op0.read() & 4) == 4;
rgb_t backcol = debug_timing ? new rgb_t(0xff, 0xff, 0x00, 0x00) : new rgb_t(0xff, 0x00, 0x00, 0x00);
if (!force_vector)
{
screen.set_video_attributes(0);
bitmap.fill(backcol);
foreach (var f in m_state.m_fragments)
{
if (f.y < bitmap.height())
{
bitmap.plot_box((int32_t)f.x, (int32_t)f.y, (int32_t)(f.xr - f.x), 1, f.col);
}
}
if (test_pat)
{
draw_testpat(screen, bitmap, cliprect);
}
}
else
{
screen.set_video_attributes(VIDEO_SELF_RENDER);
uint32_t flags = PRIMFLAG_ANTIALIAS(1)
| PRIMFLAG_BLENDMODE(BLENDMODE_ADD)
| (screen.screen_type() == SCREEN_TYPE_VECTOR ? PRIMFLAG_VECTOR(1) : 0);
rectangle visarea = screen.visible_area();
float xscale = 1.0f / (float)visarea.width();
float yscale = 1.0f / (float)visarea.height();
float xoffs = (float)visarea.min_x;
float yoffs = (float)visarea.min_y;
screen.container().empty();
screen.container().add_rect(0.0f, 0.0f, 1.0f, 1.0f, new rgb_t(0xff, 0x00, 0x00, 0x00),
PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)
| (screen.screen_type() == SCREEN_TYPE_VECTOR ? PRIMFLAG_VECTORBUF(1) : 0));
float last_y = -1e6f;
foreach (var f in m_state.m_fragments)
{
float x0 = (f.x - xoffs) * xscale;
float y0 = (f.y - yoffs) * yscale;
float x1 = (f.xr - xoffs) * xscale;
rgb_t col = (debug_timing && f.y < last_y) ? backcol : new rgb_t(f.col);
// FIXME: Debug check for proper vsync timing
#if false
auto w = m_scanline_height * xscale * 0.5;
screen.container().add_line(
x0 + w, y0, x1 - w, y0, m_scanline_height * yscale,
nom_col(f.col),
// (0xff << 24) | (f.col & 0xffffff),
flags);
#elif true
float y1 = (f.y + m_scanline_height - yoffs) * yscale;
screen.container().add_rect(
x0, y0, x1, y1,
new rgb_t(nom_col(col)),
// (0xaf << 24) | (f.col & 0xffffff),
flags);
#else
const float y1((f.y + m_scanline_height - yoffs) *yscale);
// Crashes with bgfx
screen.container().add_quad(
x0, y0, x1, y1,
rgb_t(nom_col(f.col)),
// (0xaf << 24) | (f.col & 0xffffff),
m_texture,
flags);
#endif
last_y = f.y;
}
}
m_state.m_fragments.clear();
return(0);
}
