servers/app/Screen.cpp

27 get_mode_frequency(const display_mode& mode)
30 	float timing = float(mode.timing.h_total * mode.timing.v_total);
34 	return rint(10 * float(mode.timing.pixel_clock * 1000)
64 /*! Finds the mode in the mode list that is closest to the mode specified.
65 	As long as the mode list is not empty, this method will always succeed.
90 Screen::SetMode(const display_mode& mode)
94 	if (!memcmp(&mode, &current, sizeof(display_mode)))
99 	status_t status = fHWInterface->SetMode(mode);
112 	display_mode mode;
113 	mode.timing = timing;
114 	mode.space = colorSpace;
115 	mode.virtual_width = width;
116 	mode.virtual_height = height;
117 	mode.h_display_start = 0;
118 	mode.v_display_start = 0;
119 	mode.flags = 0;
121 	return SetMode(mode);
129 	// search for a matching mode
141 		debug_printf("app_server: Finding best mode for %ux%u (%" B_PRIu32
150 			// Just use the first mode in the list
156 	display_mode mode = modes[index];
159 	float modeFrequency = get_mode_frequency(mode);
160 	display_mode originalMode = mode;
166 		mode.timing.pixel_clock = ((uint32)mode.timing.h_total
167 			* mode.timing.v_total / 10 * int32(frequency * 10)) / 1000;
170 	status = SetMode(mode);
172 		// try again with the unchanged mode
183 	display_mode mode;
184 	status_t status = fHWInterface->GetPreferredMode(&mode);
188 	return SetMode(mode);
193 Screen::GetMode(display_mode& mode) const
195 	fHWInterface->GetMode(&mode);
203 	display_mode mode;
204 	fHWInterface->GetMode(&mode);
206 	width = mode.virtual_width;
207 	height = mode.virtual_height;
208 	colorspace = mode.space;
209 	frequency = get_mode_frequency(mode);
230 	display_mode mode;
231 	fHWInterface->GetMode(&mode);
233 	return BRect(0, 0, mode.virtual_width - 1, mode.virtual_height - 1);
240 	display_mode mode;
241 	fHWInterface->GetMode(&mode);
243 	return (color_space)mode.space;
247 /*!	\brief Returns the mode that matches the given criteria best.
258 		const display_mode& mode = modes[i];
259 		if (mode.virtual_width != width)
264 		int32 diff = 1000 * abs(mode.timing.v_display - height)
265 			+ int32(fabs(get_mode_frequency(mode) - frequency) * 10)
266 			+ 100 * abs((int)(mode.space - colorSpace));