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Add n64texconv and bin2c tools to convert extracted .png and .bin to C arrays during build (#2477)

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* n64texconv and bin2c

* mv tools/n64texconv tools/assets/

* fix

* more light fixes

* Silence -Wshadow for libimagequant

* Add reference counting gc for palette objects in python bindings

* Fix missing alignment in n64texconv_*_to_c functions

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

* Check palette size in n64texconv_image_from_png

* accept memoryview as well as bytes for binary data

* minimal doc on n64texconv_quantize_shared

* fix a buffer size passed to libimagequant

* assert pal count <= 256 on png write

* Disable palette size check for input pngs, ZAPD fails the check

* No OpenMP for clang

* When reading an indexed png into a CI format, requantize if there are too many colors for the target texel size

---------

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
This commit is contained in:
Tharo 2025-02-17 22:09:42 +00:00 • committed by GitHub
parent ec30dcbe4e
commit 3d61fb85ef
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41 changed files with 15634 additions and 9 deletions
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77
tools/assets/n64texconv/Makefile Normal file
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@ -0,0 +1,77 @@
BUILD_DIR := build
# Targets
LIB := libn64texconv.a
SOLIB := libn64texconv.so
APP := n64texconv
INC := -Ilib/spng -Ilib/libimagequant
CC := gcc
WFLAGS := -Wall -Wextra -Wshadow
ifeq ($(shell $(CC) --version | grep clang),)
ARCHFLAGS := -march=native -mtune=native
OMPFLAGS := -fopenmp
else
ARCHFLAGS :=
OMPFLAGS :=
WFLAGS += -Wno-unknown-pragmas
endif
CFLAGS := $(WFLAGS) $(ARCHFLAGS) -MD -MMD -std=gnu11 -fPIC -ffunction-sections -fdata-sections $(INC)
OPTFLAGS := -O3
LDFLAGS :=
LDLIBS := $(OMPFLAGS) -lz -lm
AR := ar
ARFLAGS := rcs
SRC_DIRS := $(shell find src -type d -not -path src/app)
LIB_DIRS := $(shell find lib -type d)
APP_SRC_DIRS := $(shell find src/app -type d)
C_FILES := $(foreach dir,$(SRC_DIRS) $(LIB_DIRS),$(wildcard $(dir)/*.c))
O_FILES := $(foreach f,$(C_FILES:.c=.o),$(BUILD_DIR)/$f)
DEP_FILES := $(foreach f,$(O_FILES:.o=.d),$f)
APP_C_FILES := $(foreach dir,$(APP_SRC_DIRS),$(wildcard $(dir)/*.c))
APP_O_FILES := $(foreach f,$(APP_C_FILES:.c=.o),$(BUILD_DIR)/$f)
APP_DEP_FILES := $(foreach f,$(APP_O_FILES:.o=.d),$f)
FMT_C_FILES := $(foreach dir,$(SRC_DIRS) $(APP_SRC_DIRS),$(wildcard $(dir)/*.c))
FMT_H_FILES := $(foreach dir,$(SRC_DIRS) $(APP_SRC_DIRS),$(wildcard $(dir)/*.h))
FMT_FILES := $(FMT_C_FILES) $(FMT_H_FILES)
CLANG_FORMAT := clang-format-14
FORMAT_ARGS := -i -style=file
$(shell mkdir -p $(BUILD_DIR) $(foreach dir,$(SRC_DIRS) $(LIB_DIRS) $(APP_SRC_DIRS),$(BUILD_DIR)/$(dir)))
$(BUILD_DIR)/lib/libimagequant/%.o: CFLAGS += $(OMPFLAGS) -Wno-sign-compare -Wno-unused-parameter -Wno-shadow
.PHONY: all clean distclean format
all: $(LIB) $(SOLIB) $(APP)
clean:
$(RM) -r $(LIB) $(SOLIB) $(APP) $(BUILD_DIR)
distclean: clean
format:
$(CLANG_FORMAT) $(FORMAT_ARGS) $(FMT_FILES)
$(LIB): $(O_FILES)
$(AR) $(ARFLAGS) $@ $^
$(SOLIB): $(O_FILES)
$(CC) -shared $^ $(LDLIBS) -o $@
$(APP): $(APP_O_FILES) $(LIB)
$(CC) $(LDFLAGS) $^ $(LDLIBS) -o $@
$(BUILD_DIR)/%.o: %.c
$(CC) $(CFLAGS) $(OPTFLAGS) -c $< -o $@
-include $(DEP_FILES) $(APP_DEP_FILES)