matrox/engine/mga_general.c

952 status_t gx00_general_validate_pic_size (display_mode *target, uint32 *bytes_per_row, bool *acc_mode)
969 		switch (target->space)
977 				LOG(8,("INIT: unknown color space: 0x%08x\n", target->space));
985 		switch (target->space)
993 				LOG(8,("INIT: unknown color space: 0x%08x\n", target->space));
1009 		switch (target->space)
1018 				LOG(8,("INIT: unknown color space: 0x%08x\n", target->space));
1024 		switch (target->space)
1032 				LOG(8,("INIT: unknown color space: 0x%08x\n", target->space));
1038 		if (target->flags & DUALHEAD_BITS)
1040 			switch (target->space)
1045 					LOG(8,("INIT: illegal DH color space: 0x%08x\n", target->space));
1062 		if (target->virtual_width > 2048) *acc_mode = false;
1067 		if (target->virtual_width > 4096) *acc_mode = false;
1069 		if ((target->space == B_RGB32_LITTLE) && (target->virtual_width > (4092 & ~acc_mask)))
1074 	if (target->virtual_height > 2048) *acc_mode = false;
1085 		switch(target->space)
1088 			if (target->virtual_width > (16368 & ~crtc_mask))
1089 				target->virtual_width = (16368 & ~crtc_mask);
1093 			if (target->virtual_width > (8184 & ~crtc_mask))
1094 				target->virtual_width = (8184 & ~crtc_mask);
1097 			if (target->virtual_width > (5456 & ~crtc_mask))
1098 				target->virtual_width = (5456 & ~crtc_mask);
1101 			if (target->virtual_width > (4092 & ~crtc_mask))
1102 				target->virtual_width = (4092 & ~crtc_mask);
1109 		if (target->virtual_height > 65535) target->virtual_height = 65535;
1116 		video_pitch = ((target->virtual_width + acc_mask) & ~acc_mask);
1118 		video_pitch = ((target->virtual_width + crtc_mask) & ~crtc_mask);
1121 														video_pitch, target->space));
1122 	if (target->virtual_width != video_pitch)
1124 											(video_pitch - target->virtual_width)));