Add more RGBGFX test coverage (#1553)

test/gfx/empty_lines.hex

@@ -1,7 +1,7 @@
 
 5721d9
 
-a9d4fe
+A9D4FE
 
 
-ffffff
+ffFFfF

test/gfx/full_aco.flags

@@ -0,0 +1 @@
+-c aco:full_aco.aco

test/gfx/full_act.flags

@@ -0,0 +1 @@
+-c act:full_act.act

test/gfx/full_gbc.flags

@@ -0,0 +1 @@
+-c gbc:full_gbc.pal

test/gfx/full_psp.flags

@@ -0,0 +1 @@
+-c psp:full_psp.pal

test/gfx/full_psp.pal

@@ -0,0 +1,35 @@
+JASC-PAL
+0100
+32
+0 0 0
+252 252 252
+196 199 238
+154 143 224
+99 93 150
+41 47 101
+27 29 52
+255 227 174
+205 187 171
+166 133 143
+207 93 139
+150 73 104
+255 180 130
+221 134 125
+178 105 111
+246 198 94
+228 144 87
+196 104 51
+176 208 126
+102 170 93
+82 181 171
+42 131 121
+28 86 89
+123 225 246
+88 159 252
+80 105 228
+46 68 174
+128 86 212
+90 59 150
+255 186 225
+230 135 197
+167 89 185

test/gfx/mirror_x.flags

@@ -0,0 +1 @@
+-X

test/gfx/mirror_x.out.2bpp

@@ -0,0 +1 @@
+��耨耨耨耨耨耨����������亖亖亖����亖亖亖����������耨耨耨亖亖亖����亖亖亖弿弿弿����耨耨耨弿弿弿����亖亖亖亖亖亖������������������

test/gfx/mirror_xy.flags

@@ -0,0 +1 @@
+-XY

test/gfx/mirror_xy.out.2bpp

@@ -0,0 +1 @@
+��耨耨耨耨耨耨����������亖亖亖����耨耨耨亖亖亖����耨耨耨弿弿弿����亖亖亖亖亖亖������������������

test/gfx/mirror_y.flags

@@ -0,0 +1 @@
+-Y

test/gfx/mirror_y.out.2bpp

@@ -0,0 +1 @@
+��耨耨耨耨耨耨����弿弿弿弿弿弿����������亖亖亖����耨耨耨亖亖亖����弿弿弿亖亖亖����耨耨耨弿弿弿����亖亖亖亖亖亖������������������

test/gfx/reverse_curve.2bpp

@@ -0,0 +1 @@
+? @L���€�€�€�円G|C<#

test/gfx/reverse_curve.flags

@@ -0,0 +1,4 @@
+-m
+-t reverse_curve.tilemap
+-a reverse_curve.attrmap
+-p reverse_curve.pal

test/gfx/test.sh

@@ -37,11 +37,19 @@ failTest () {
 	echo "${bold}${red}Test ${cmdline} failed!${1:+ (RC=$1)}${rescolors}${resbold}"
 }
 
+tryCmp () {
+	if ! cmp "$1" "$2"; then
+		../../contrib/gbdiff.bash "$1" "$2"
+		echo "${bold}${red}$1 mismatch!${rescolors}${resbold}"
+		false
+	fi
+}
+
 checkOutput () {
 	out_rc=0
 	for ext in 1bpp 2bpp pal tilemap attrmap palmap; do
 		if [[ -e "$1.out.$ext" ]]; then
-			cmp "$1.out.$ext" "result.$ext"
+			tryCmp "$1.out.$ext" "result.$ext"
 			(( out_rc = out_rc || $? ))
 		fi
 	done
@@ -95,10 +103,10 @@ for f in *.[12]bpp; do
 		continue
 	fi
 
-	flags="$([[ -e "${f%.[12]bpp}.flags" ]] && echo "@${f%.[12]bpp}.flags")"
+	flags="$([[ -e "${f%.[12]bpp}.flags" ]] && echo "@${f%.[12]bpp}.flags") $([[ -e "${f%.1bpp}.flags" ]] && echo "-d 1")"
 
 	newTest "$RGBGFX $flags -o $f -r 1 result.png && $RGBGFX $flags -o result.2bpp result.png"
-	runTest && cmp "$f" result.2bpp || failTest $?
+	runTest && tryCmp "$f" result.2bpp || failTest $?
 done
 
 if [[ "$failed" -eq 0 ]]; then