From: Brett Gordon <beretta42@gmail.com>
Date: Mon, 12 Oct 2015 12:58:28 +0000 (-0400)
Subject: coco3: connect graphic IOCTL to rendering routine.
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=4db94a53e8f749e225c090873ba4f740c97c159a;p=FUZIX.git

coco3: connect graphic IOCTL to rendering routine.
---

diff --git a/Kernel/platform-coco3/devtty.c b/Kernel/platform-coco3/devtty.c
index 61cffb90..c26b8bac 100644
--- a/Kernel/platform-coco3/devtty.c
+++ b/Kernel/platform-coco3/devtty.c
@@ -475,6 +475,15 @@ int gfx_ioctl(uint8_t minor, uarg_t arg, char *ptr)
 		if( minor == curminor ) apply_gime( minor );
 		return 0;
 	}
+	if (arg == GFXIOC_DRAW ){
+		int err;
+		err = gfx_draw_op(arg, ptr);
+		if (err) {
+			udata.u_error = err;
+			err = -1;
+		}
+		return err;
+	}
 	udata.u_error = ENOTTY;
 	return -1;
 
diff --git a/Kernel/platform-coco3/video.c b/Kernel/platform-coco3/video.c
index 1db45563..3c1f1f92 100644
--- a/Kernel/platform-coco3/video.c
+++ b/Kernel/platform-coco3/video.c
@@ -1,7 +1,7 @@
 #include <kernel.h>
 #include <devtty.h>
 
-
+extern video_cmd( char *rlt_data);
 
 /* These are routines stolen from the stock vt.c's VT_SIMPLE code, and modified
    to suite multiple vts
@@ -113,3 +113,55 @@ void video_init( )
 	memset( (char *)0x2000, ' ', 0x4000 );
 	map_for_kernel();
 }
+
+int gfx_draw_op(uarg_t arg, char *ptr)
+{
+	int err=0;
+	int l;
+	int c = 8;	/* 4 x uint16_t */
+	uint16_t *p = (uint16_t *)(char *)0x5e00;
+
+	map_for_video();
+	l = ugetw(ptr);
+	if (l < 6 || l > 512){
+		err = EINVAL;
+		goto ret;
+	}
+	if (arg != GFXIOC_READ)
+		c = l;
+	if (uget((char *)0x5e00, ptr + 2, c)){
+		err = EFAULT;
+		goto ret;
+	}
+	switch(arg) {
+	case GFXIOC_DRAW:
+		/* TODO
+		   if (draw_validate(ptr, l, 256, 192))  - or 128!
+		   return EINVAL */
+		video_cmd( ( char *)0x5e00 );
+		break;
+	case GFXIOC_WRITE:
+	case GFXIOC_READ:
+		err = EFAULT;
+		goto ret;
+		/* Not implemented yet....
+		   if (l < 8)
+		   return EINVAL;
+		   l -= 8;
+		   if (p[0] > 31 || p[1] > 191 || p[2] > 31 || p[3] > 191 ||
+		   p[0] + p[2] > 32 || p[1] + p[3] > 192 ||
+		   (p[2] * p[3]) > l)
+		   return -EFAULT;
+		   if (arg == GFXIOC_READ) {
+		   video_read(buf);
+		   if (uput(buf + 8, ptr, l))
+		   return EFAULT;
+		   return 0;
+		   }
+		   video_write(buf);
+		*/
+	}
+ ret:
+	map_for_kernel();
+	return err;
+}