tests: Add test for cloned textures

tests/clone_materials/Makefile

@@ -0,0 +1,220 @@
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+
+ifeq ($(strip $(DEVKITARM)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
+endif
+
+include $(DEVKITARM)/ds_rules
+
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# INCLUDES is a list of directories containing extra header files
+# DATA is a list of directories containing binary files embedded using bin2o
+# GRAPHICS is a list of directories containing image files to be converted with grit
+# AUDIO is a list of directories containing audio to be converted by maxmod
+# ICON is the image used to create the game icon, leave blank to use default rule
+# NITRO is a directory that will be accessible via NitroFS
+#---------------------------------------------------------------------------------
+TARGET   := $(shell basename $(CURDIR))
+BUILD    := build
+SOURCES  := source
+INCLUDES := include
+DATA     := data
+GRAPHICS :=
+AUDIO    :=
+ICON     :=
+
+# specify a directory which contains the nitro filesystem
+# this is relative to the Makefile
+NITRO    :=
+
+# These set the information text in the nds file
+GAME_TITLE     := Nitro Engine example
+GAME_SUBTITLE1 := built with devkitARM
+GAME_SUBTITLE2 := http://devitpro.org
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH := -marm -mthumb-interwork -march=armv5te -mtune=arm946e-s
+
+CFLAGS   := -g -Wall -O3\
+            $(ARCH) $(INCLUDE) -DARM9
+CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
+ASFLAGS  := -g $(ARCH)
+LDFLAGS   = -specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+
+#---------------------------------------------------------------------------------
+# any extra libraries we wish to link with the project (order is important)
+#---------------------------------------------------------------------------------
+LIBS := -lNE -lfat -lnds9
+
+# automatigically add libraries for NitroFS
+ifneq ($(strip $(NITRO)),)
+LIBS := -lfilesystem -lfat $(LIBS)
+endif
+# automagically add maxmod library
+ifneq ($(strip $(AUDIO)),)
+LIBS := -lmm9 $(LIBS)
+endif
+
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS := $(LIBNDS) $(PORTLIBS) $(DEVKITPRO)/nitro-engine
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT := $(CURDIR)/$(TARGET)
+
+export VPATH := $(CURDIR)/$(subst /,,$(dir $(ICON)))\
+                $(foreach dir,$(SOURCES),$(CURDIR)/$(dir))\
+                $(foreach dir,$(DATA),$(CURDIR)/$(dir))\
+                $(foreach dir,$(GRAPHICS),$(CURDIR)/$(dir))
+
+export DEPSDIR := $(CURDIR)/$(BUILD)
+
+CFILES   := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES   := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+PNGFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.png)))
+BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+# prepare NitroFS directory
+ifneq ($(strip $(NITRO)),)
+  export NITRO_FILES := $(CURDIR)/$(NITRO)
+endif
+
+# get audio list for maxmod
+ifneq ($(strip $(AUDIO)),)
+  export MODFILES	:=	$(foreach dir,$(notdir $(wildcard $(AUDIO)/*.*)),$(CURDIR)/$(AUDIO)/$(dir))
+
+  # place the soundbank file in NitroFS if using it
+  ifneq ($(strip $(NITRO)),)
+    export SOUNDBANK := $(NITRO_FILES)/soundbank.bin
+
+  # otherwise, needs to be loaded from memory
+  else
+    export SOUNDBANK := soundbank.bin
+    BINFILES += $(SOUNDBANK)
+  endif
+endif
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+  export LD := $(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+  export LD := $(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES_BIN   :=	$(addsuffix .o,$(BINFILES))
+
+export OFILES_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+
+export OFILES := $(PNGFILES:.png=.o) $(OFILES_BIN) $(OFILES_SOURCES)
+
+export HFILES := $(PNGFILES:.png=.h) $(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE  := $(foreach dir,$(INCLUDES),-iquote $(CURDIR)/$(dir))\
+                   $(foreach dir,$(LIBDIRS),-I$(dir)/include)\
+                   -I$(CURDIR)/$(BUILD)
+export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+ifeq ($(strip $(ICON)),)
+  icons := $(wildcard *.bmp)
+
+  ifneq (,$(findstring $(TARGET).bmp,$(icons)))
+    export GAME_ICON := $(CURDIR)/$(TARGET).bmp
+  else
+    ifneq (,$(findstring icon.bmp,$(icons)))
+      export GAME_ICON := $(CURDIR)/icon.bmp
+    endif
+  endif
+else
+  ifeq ($(suffix $(ICON)), .grf)
+    export GAME_ICON := $(CURDIR)/$(ICON)
+  else
+    export GAME_ICON := $(CURDIR)/$(BUILD)/$(notdir $(basename $(ICON))).grf
+  endif
+endif
+
+.PHONY: $(BUILD) clean
+
+#---------------------------------------------------------------------------------
+$(BUILD):
+	@mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).elf $(TARGET).nds $(SOUNDBANK)
+
+#---------------------------------------------------------------------------------
+else
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+$(OUTPUT).nds: $(OUTPUT).elf $(GAME_ICON)
+$(OUTPUT).elf: $(OFILES)
+
+# source files depend on generated headers
+$(OFILES_SOURCES) : $(HFILES)
+
+# need to build soundbank first
+$(OFILES): $(SOUNDBANK)
+
+#---------------------------------------------------------------------------------
+# rule to build solution from music files
+#---------------------------------------------------------------------------------
+$(SOUNDBANK) : $(MODFILES)
+#---------------------------------------------------------------------------------
+	mmutil $^ -d -o$@ -hsoundbank.h
+
+#---------------------------------------------------------------------------------
+%.bin.o %_bin.h : %.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+
+#---------------------------------------------------------------------------------
+# This rule creates assembly source files using grit
+# grit takes an image file and a .grit describing how the file is to be processed
+# add additional rules like this for each image extension
+# you use in the graphics folders
+#---------------------------------------------------------------------------------
+%.s %.h: %.png %.grit
+#---------------------------------------------------------------------------------
+	grit $< -fts -o$*
+
+#---------------------------------------------------------------------------------
+# Convert non-GRF game icon to GRF if needed
+#---------------------------------------------------------------------------------
+$(GAME_ICON): $(notdir $(ICON))
+#---------------------------------------------------------------------------------
+	@echo convert $(notdir $<)
+	@grit $< -g -gt -gB4 -gT FF00FF -m! -p -pe 16 -fh! -ftr
+
+-include $(DEPSDIR)/*.d
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

tests/clone_materials/assets.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+NITRO_ENGINE=$DEVKITPRO/nitro-engine
+TOOLS=$NITRO_ENGINE/tools
+IMG2DS=$TOOLS/img2ds/img2ds.py
+
+python3 $IMG2DS \
+    --input assets/a3pal32.png \
+    --name a3pal32 \
+    --output data \
+    --format A3PAL32
+
+python3 $IMG2DS \
+    --input assets/pal4.png \
+    --name pal4 \
+    --output data \
+    --format PAL4

tests/clone_materials/source/main.c

@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: CC0-1.0
+//
+// SPDX-FileContributor: Antonio Niño Díaz, 2008-2011, 2019, 2022
+//
+// This file is part of Nitro Engine
+
+#include <NEMain.h>
+
+#include "a3pal32_pal_bin.h"
+#include "a3pal32_tex_bin.h"
+
+#define NUM_CLONES 5
+
+NE_Material *Material[NUM_CLONES];
+NE_Palette *Palette;
+
+int main(void)
+{
+    // This is needed for special screen effects
+    irqEnable(IRQ_HBLANK);
+    irqSet(IRQ_VBLANK, NE_VBLFunc);
+    irqSet(IRQ_VBLANK, NE_HBLFunc);
+
+    // Init console and Nitro Engine
+    NE_Init3D();
+    // Use banks A and B for teapots. libnds uses bank C for the demo text
+    // console.
+    NE_TextureSystemReset(0, 0, NE_VRAM_AB);
+    // This is needed to print text
+    consoleDemoInit();
+
+    for (int i = 0; i < NUM_CLONES; i++)
+        Material[i] = NE_MaterialCreate();
+    Palette = NE_PaletteCreate();
+
+    int total_tex_mem = NE_TextureFreeMem();
+    int total_pal_mem = NE_PaletteFreeMem();
+
+    NE_MaterialTexLoad(Material[0],
+                       NE_A3PAL32, // Texture type
+                       64, 200,    // Width, height (in pixels)
+                       NE_TEXGEN_TEXCOORD, (u8 *)a3pal32_tex_bin);
+    NE_PaletteLoad(Palette, (u16 *)a3pal32_pal_bin, 32, NE_A3PAL32);
+    NE_MaterialSetPalette(Material[0], Palette);
+
+    for (int i = 1; i < NUM_CLONES; i++)
+        NE_MaterialClone(Material[0], Material[i]);
+
+    int remaining_tex_mem = NE_TextureFreeMem();
+    int remaining_pal_mem = NE_PaletteFreeMem();
+
+    printf("Total:     %6d | %6d\n"
+           "Remaining: %6d | %6d\n",
+           total_tex_mem, total_pal_mem,
+           remaining_tex_mem, remaining_pal_mem);
+
+    // Delete all materials but one, so that the texture isn't freed yet
+    for (int i = 0; i < NUM_CLONES - 1; i++)
+        NE_MaterialDelete(Material[i]);
+
+    if (remaining_tex_mem != NE_TextureFreeMem())
+        printf("Texture memory wrongly freed\n");
+
+    if (remaining_pal_mem != NE_PaletteFreeMem())
+        printf("Palette memory wrongly freed\n");
+
+    // Delete the last material so that the texture is freed
+    NE_MaterialDelete(Material[NUM_CLONES - 1]);
+    NE_PaletteDelete(Palette);
+
+    if (total_tex_mem != NE_TextureFreeMem())
+        printf("Texture memory not freed\n");
+
+    if (total_pal_mem != NE_PaletteFreeMem())
+        printf("Palette memory not freed\n");
+
+    printf("Tests finished\n");
+
+    while (1)
+        NE_WaitForVBL(0);
+
+    return 0;
+}