From fdb9a42eff665d848e443386740da8e5dcdf74b1 Mon Sep 17 00:00:00 2001
From: Chris Young <chris@unsatisfactorysoftware.co.uk>
Date: Tue, 1 Sep 2015 19:31:58 +0100
Subject: Don't use P96 on gfx.lib v54+ systems

---
 amiga/libs.c |  6 ++++--
 amiga/rtg.c  | 25 ++++++++++++++++---------
 2 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/amiga/libs.c b/amiga/libs.c
index c20147a88..cac028dba 100644
--- a/amiga/libs.c
+++ b/amiga/libs.c
@@ -27,6 +27,8 @@
 #include <proto/intuition.h>
 #include <proto/utility.h>
 
+#include <graphics/gfxbase.h> /* Needed for v54 version check */
+
 #ifndef __amigaos4__
 /* OS3 needs these for the XXXX_GetClass() functions */
 #include <proto/arexx.h>
@@ -216,7 +218,8 @@ bool ami_libs_open(void)
 	/*\todo This is down here as we need to check the graphics.library version
 	 * before opening.  If it is sufficiently new enough we can avoid using P96
 	 */
-	AMINS_LIB_OPEN("Picasso96API.library",  0, P96,         "main",        1, false)
+	if(GfxBase->LibNode.lib_Version >= 54)
+		AMINS_LIB_OPEN("Picasso96API.library",  0, P96,         "main",        1, false)
 
 	/* NB: timer.device is opened in schedule.c (ultimately by the scheduler process).
 	 * The library base and interface are obtained there, rather than here, due to
@@ -235,7 +238,6 @@ bool ami_libs_open(void)
 	 * NB: the last argument should be "true" only if the class also has
 	 * library functions we use.
 	 */
-
 	AMINS_CLASS_OPEN("arexx.class",                  44, ARexx,         AREXX,         false)
 	AMINS_CLASS_OPEN("images/bevel.image",           44, Bevel,         BEVEL,         false)
 	AMINS_CLASS_OPEN("images/bitmap.image",          44, BitMap,        BITMAP,        false)
diff --git a/amiga/rtg.c b/amiga/rtg.c
index 2f4b9e1d1..3f457890e 100644
--- a/amiga/rtg.c
+++ b/amiga/rtg.c
@@ -47,19 +47,26 @@ void ami_rtg_freebitmap(struct BitMap *bm)
 void ami_rtg_writepixelarray(UBYTE *pixdata, struct BitMap *bm,
 	ULONG width, ULONG height, ULONG bpr, ULONG format)
 {
-	struct RenderInfo ri;
 	struct RastPort trp;
 
-	/* This requires P96 currently */
-	if(P96Base == NULL) return;
-
-	ri.Memory = pixdata;
-	ri.BytesPerRow = bpr;
-	ri.RGBFormat = format;
-
 	InitRastPort(&trp);
 	trp.BitMap = bm;
 
-	p96WritePixelArray((struct RenderInfo *)&ri, 0, 0, &trp, 0, 0, width, height);
+	/* This requires P96 or gfx.lib v54 currently */
+	if(P96Base == NULL) {
+#ifdef __amigaos4__
+		if(GfxBase->LibNode.lib_Version >= 54) {
+			WritePixelArray(pixdata, 0, 0, bpr, format, &trp, 0, 0, width, height);
+		}
+#endif
+	} else {
+		struct RenderInfo ri;
+
+		ri.Memory = pixdata;
+		ri.BytesPerRow = bpr;
+		ri.RGBFormat = format;
+
+		p96WritePixelArray((struct RenderInfo *)&ri, 0, 0, &trp, 0, 0, width, height);
+	}
 }
 
-- 
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