X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=bigscreen%2Fsplitscreen.cpp;h=9d569b1665eff783ff1012f232caa65db904f011;hp=a322fecd4eeb87951dbd80d660c8c140c0e6f418;hb=9c22e166f4d25f2d80766de9baab56efd9d952b0;hpb=ef3e9f27177227a0f412e6f9995212b36bf27f19

diff --git a/bigscreen/splitscreen.cpp b/bigscreen/splitscreen.cpp
index a322fec..9d569b1 100644
--- a/bigscreen/splitscreen.cpp
+++ b/bigscreen/splitscreen.cpp
@@ -9,10 +9,10 @@ SplitScreen::SplitScreen(GenericScreen *s1, GenericScreen *s2, GenericScreen *s3
 	subscreens[2] = s3;
 	subscreens[3] = s4;
 
-	memset(subbufs[0], 0, 800*600*4);
-	memset(subbufs[1], 0, 800*600*4);
-	memset(subbufs[2], 0, 800*600*4);
-	memset(subbufs[3], 0, 800*600*4);
+	memset(subbufs[0], 0, SCREEN_WIDTH*SCREEN_HEIGHT*4);
+	memset(subbufs[1], 0, SCREEN_WIDTH*SCREEN_HEIGHT*4);
+	memset(subbufs[2], 0, SCREEN_WIDTH*SCREEN_HEIGHT*4);
+	memset(subbufs[3], 0, SCREEN_WIDTH*SCREEN_HEIGHT*4);
 }
 
 SplitScreen::~SplitScreen()
@@ -41,22 +41,41 @@ void SplitScreen::draw(unsigned char *buf)
 	}
 	
 	downscale_2x2(buf, subbufs[0]);
-	downscale_2x2(buf + 400 * 4, subbufs[1]);
-	downscale_2x2(buf + 800 * 300 * 4, subbufs[2]);
-	downscale_2x2(buf + 800 * 300 * 4 + 400 * 4, subbufs[3]); 
+	downscale_2x2(buf + (SCREEN_WIDTH/2) * 4, subbufs[1]);
+	downscale_2x2(buf + SCREEN_WIDTH * (SCREEN_HEIGHT/2) * 4, subbufs[2]);
+	downscale_2x2(buf + SCREEN_WIDTH * (SCREEN_HEIGHT/2) * 4 + (SCREEN_WIDTH/2) * 4, subbufs[3]); 
 
+	// make divider lines
+	unsigned char *ptr = buf + (SCREEN_HEIGHT/2) * SCREEN_WIDTH * 4;
+	for (unsigned x = 0; x < SCREEN_WIDTH; ++x) {
+		*ptr++ = 255;
+		*ptr++ = 255;
+		*ptr++ = 255;
+		*ptr++ = 0;
+	}
+	
+	ptr = buf + (SCREEN_WIDTH/2) * 4;
+	for (unsigned y = 0; y < SCREEN_HEIGHT; ++y) {
+		ptr[0] = 255;
+		ptr[1] = 255;
+		ptr[2] = 255;
+		ptr[3] = 0;
+
+		ptr += SCREEN_WIDTH * 4;
+	}
+	
 	valid = true;
 }
 	
 // simple box filter (blah)
 void SplitScreen::downscale_2x2(unsigned char *dst, unsigned char *src)
 {
-	for (unsigned y = 0; y < 300; ++y) {
-		unsigned char *sptr1 = src + (y*2) * 800 * 4;
-		unsigned char *sptr2 = src + (y*2+1) * 800 * 4;
-		unsigned char *dptr = dst + y * 800 * 4;
+	for (unsigned y = 0; y < (SCREEN_HEIGHT/2); ++y) {
+		unsigned char *sptr1 = src + (y*2) * SCREEN_WIDTH * 4;
+		unsigned char *sptr2 = src + (y*2+1) * SCREEN_WIDTH * 4;
+		unsigned char *dptr = dst + y * SCREEN_WIDTH * 4;
 		
-		for (unsigned x = 0; x < 400; ++x) {
+		for (unsigned x = 0; x < (SCREEN_WIDTH/2); ++x) {
 			*dptr++ = (sptr1[0] + sptr1[4] + sptr2[0] + sptr2[4]) >> 2;  // red
 			*dptr++ = (sptr1[1] + sptr1[5] + sptr2[1] + sptr2[5]) >> 2;  // green
 			*dptr++ = (sptr1[2] + sptr1[6] + sptr2[2] + sptr2[6]) >> 2;  // blue