From 66cd7e8220e0f7dbb0e43f44f6aab60194548ad0 Mon Sep 17 00:00:00 2001
From: Joshua Wise <joshua@rebirth.joshuawise.com>
Date: Sat, 13 Dec 2008 20:02:58 -0500
Subject: [PATCH] Link text into copy_pixels.

---
 aseg-paging/Makefile                |  2 +-
 include/fb.h                        |  2 ++
 include/text.h                      |  2 +-
 video/{checksumrect.c => generic.c} | 13 +++++++++++++
 video/{checksumrect.h => generic.h} |  1 +
 video/text.c                        |  3 ++-
 video/tnt2.c                        |  9 ++++++---
 7 files changed, 26 insertions(+), 6 deletions(-)
 rename video/{checksumrect.c => generic.c} (63%)
 rename video/{checksumrect.h => generic.h} (63%)

diff --git a/aseg-paging/Makefile b/aseg-paging/Makefile
index 1eeee83..6c0cd76 100644
--- a/aseg-paging/Makefile
+++ b/aseg-paging/Makefile
@@ -46,7 +46,7 @@ OBJS =	../ich2/smi.o \
 	../net/rfb.o \
 	../video/tnt2.o \
 	../video/fb.o \
-	../video/checksumrect.o \
+	../video/generic.o \
 	../video/text.o \
 	drivers.o \
 	../lib/minilib.o \
diff --git a/include/fb.h b/include/fb.h
index dd86894..79f05b5 100644
--- a/include/fb.h
+++ b/include/fb.h
@@ -12,6 +12,7 @@ typedef enum {
 
 typedef void (*getvmode_t)(void *);
 typedef uint32_t (*checksum_rect_t)(int x, int y, int width, int height);
+typedef void (*copy_pixels_t)(char *buf, int x, int y, int width, int height);
 
 struct vmode {
 	int text:1;
@@ -25,6 +26,7 @@ struct fbdevice {
 	void *priv;
 	getvmode_t getvmode;
 	checksum_rect_t checksum_rect;
+	copy_pixels_t copy_pixels;
 	struct vmode curmode;
 };
 
diff --git a/include/text.h b/include/text.h
index 9506d40..474e123 100644
--- a/include/text.h
+++ b/include/text.h
@@ -3,7 +3,7 @@
 #include <stdint.h>
 
 extern void text_init();
-extern void text_render(unsigned char *buf, unsigned int x, unsigned int y, unsigned int w, unsigned int h);
+extern void text_render(char *buf, int x, int y, int w, int h);
 extern uint32_t text_checksum(int x, int y, int w, int h);
 
 #endif
diff --git a/video/checksumrect.c b/video/generic.c
similarity index 63%
rename from video/checksumrect.c
rename to video/generic.c
index f96c033..6168df2 100644
--- a/video/checksumrect.c
+++ b/video/generic.c
@@ -24,3 +24,16 @@ uint32_t checksum_rect_generic32(int x, int y, int width, int height) {
         return sum;
 }
 
+void copy_pixels_generic32(char *buf, int x, int y, int width, int height)
+{
+	int cx, cy;
+	unsigned int *ibuf = (unsigned int *)buf;
+	unsigned int *fbuf;
+	for (cy = y; cy < (y + height); cy++)
+	{
+		fbuf = (unsigned int *)fb->fbaddr;
+		fbuf += y * (fb->curmode.xres) + x;
+		for (cx = x; cx < (x + width); cx++)
+			*(ibuf++) = *(fbuf++);
+	}
+}
diff --git a/video/checksumrect.h b/video/generic.h
similarity index 63%
rename from video/checksumrect.h
rename to video/generic.h
index 8dd2a6d..64f2b5f 100644
--- a/video/checksumrect.h
+++ b/video/generic.h
@@ -2,5 +2,6 @@
 #define _CHECKSUM_RECT_H
 
 uint32_t checksum_rect_generic32(int x, int y, int width, int height);
+void copy_pixels_generic32(char *buf, int x, int y, int width, int height);
 
 #endif
diff --git a/video/text.c b/video/text.c
index c9068b9..7197bad 100644
--- a/video/text.c
+++ b/video/text.c
@@ -20,7 +20,7 @@ void text_init()
 	outb(0x3CF, oldread);
 }
 
-void text_render(unsigned char *buf, unsigned int x, unsigned int y, unsigned int w, unsigned int h)
+void text_render(char *buf, int x, int y, int w, int h)
 {
 	unsigned char *video = p2v(0xB8000);
 	unsigned int textx = x / 9;
@@ -58,6 +58,7 @@ void text_render(unsigned char *buf, unsigned int x, unsigned int y, unsigned in
 				*(buf++) = (at & 0x20) ? 0xFF : 0x00;
 				*(buf++) = (at & 0x40) ? 0xFF : 0x00;
 			}
+			*(buf++) = 0;
 		}
 	}
 }
diff --git a/video/tnt2.c b/video/tnt2.c
index f23a9d7..3827393 100644
--- a/video/tnt2.c
+++ b/video/tnt2.c
@@ -6,7 +6,7 @@
 #include <paging.h>
 #include <text.h>
 
-#include "checksumrect.h"
+#include "generic.h"
 
 static void tnt2_getvmode(void *priv);
 
@@ -31,14 +31,17 @@ static void tnt2_getvmode(void *priv)
 		tnt2_fb.curmode.bytestride = 4;
 		tnt2_fb.curmode.text = 0;
 		tnt2_fb.checksum_rect = checksum_rect_generic32;
+		tnt2_fb.copy_pixels = copy_pixels_generic32;
 		break;
 	case 0:
 		tnt2_fb.curmode.text = 1;
-		tnt2_fb.checksum_rect = (checksum_rect_t) text_checksum;
+		tnt2_fb.checksum_rect = text_checksum;
+		tnt2_fb.copy_pixels = text_render;
 		break;
 	default:
 		tnt2_fb.curmode.text = 1;
-		tnt2_fb.checksum_rect = (checksum_rect_t) text_checksum;
+		tnt2_fb.checksum_rect = text_checksum;
+		tnt2_fb.copy_pixels = text_render;
 		outputf("Unknown TNT2 format %x", vgard(0x28));
 		break;
 	}
-- 
2.39.2