mirror of
https://github.com/libretro/parallel-dc.git
synced 2026-11-07 17:29:58 -10:00
libretroadmin
f62d495d2d
A CHD was read through one decoded hunk and a thread that decoded one hunk ahead. A game that plays CD audio while it streams data reads the two from different places a sector at a time, so each threw out the other's hunk and aimed the thread away from it, and the hunks were decoded on the emulation thread: a stutter a GDI never shows. Each stream (data tracks, audio tracks) now reads through its own libretro-common vfs_prefetch, whose thread decodes the hunks ahead on an image handle of its own, one window per hunk; sectors are lent from the windows in place, and a read command's Prefetch() sets the data stream's thread going before the first sector is asked for. The core defines HAVE_THREADS where it builds threads, so the prefetcher is not compiled to stubs. tools/chd/chd_streams_test, run from tools/chd/run.sh and now in CI, reads audio and data at once and fails when the reading thread does the decoding.
124 lines
3.0 KiB
Makefile
124 lines
3.0 KiB
Makefile
LOCAL_PATH := $(call my-dir)
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platform := android
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CORE_DIR := $(LOCAL_PATH)/..
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ROOT_DIR := $(LOCAL_PATH)/..
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LIBRETRO_DIR := $(ROOT_DIR)/libretro
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SOURCES_C :=
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SOURCES_CXX :=
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SOURCES_ASM :=
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INCFLAGS :=
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CFLAGS :=
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CXXFLAGS :=
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DYNAFLAGS :=
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NO_THREADS := 0
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HAVE_NEON := 0
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WITH_DYNAREC :=
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NO_REC := 0
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HAVE_CHD := 1
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HAVE_GL := 1
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HAVE_OPENGL := 1
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HAVE_VULKAN := 1
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GLES := 1
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ENABLE_MODEM := 1
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HOST_CPU_X86=0x20000001
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HOST_CPU_ARM=0x20000002
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HOST_CPU_MIPS=0x20000003
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HOST_CPU_X64=0x20000004
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HOST_CPU_GENERIC=0x20000005
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HOST_CPU_ARM64=0x20000006
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ifeq ($(TARGET_ARCH_ABI),arm64-v8a)
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WITH_DYNAREC := arm64
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else ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
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WITH_DYNAREC := arm
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HAVE_NEON := 1
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else ifeq ($(TARGET_ARCH_ABI),x86)
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# (the recompiler writes all its own code at run time: the library has
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# no text relocations, which Android 6 on refuses)
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WITH_DYNAREC := x86
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else ifeq ($(TARGET_ARCH_ABI),x86_64)
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WITH_DYNAREC := x86_64
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endif
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CORE_DEFINES :=
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include $(ROOT_DIR)/Makefile.common
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# (no fast-math, and no fused multiply-adds the code does not ask for: the
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# SH4's floating point has to come out the same on every host, see Makefile)
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COREFLAGS := -ffp-contract=off -D__LIBRETRO__ -DHAVE_GLSYM_PRIVATE -DINLINE="inline" -DANDROID -D_ANDROID -DHAVE_OPENGLES -DHAVE_OPENGLES2 $(GLFLAGS) $(INCFLAGS) $(DYNAFLAGS) $(CORE_DEFINES)
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COREFLAGS += -DNDEBUG -DNO_VERIFY
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ifeq ($(NO_THREADS),1)
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COREFLAGS += -DTARGET_NO_THREADS
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else
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COREFLAGS += -DHAVE_THREADS
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endif
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ifeq ($(HAVE_GENERIC_JIT),1)
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COREFLAGS += -DTARGET_NO_JIT -DFEAT_SHREC=0x40000003
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endif
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ifeq ($(NO_REC),1)
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COREFLAGS += -DTARGET_NO_REC
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endif
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ifeq ($(TARGET_ARCH_ABI),x86_64)
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COREFLAGS += -fno-operator-names
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COREFLAGS += -DHOST_CPU=$(HOST_CPU_X64)
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endif
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ifeq ($(TARGET_ARCH_ABI), x86)
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COREFLAGS += -fno-operator-names
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COREFLAGS += -DHOST_CPU=$(HOST_CPU_X86)
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endif
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ifeq ($(TARGET_ARCH_ABI), armeabi-v7a)
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COREFLAGS += -DHOST_CPU=$(HOST_CPU_ARM)
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endif
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ifeq ($(TARGET_ARCH_ABI), arm64-v8a)
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COREFLAGS += -DHOST_CPU=$(HOST_CPU_ARM64)
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endif
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ifeq ($(TARGET_ARCH_ABI), mips)
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COREFLAGS += -DHOST_CPU=$(HOST_CPU_MIPS)
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endif
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GIT_VERSION := " $(shell git rev-parse --short HEAD || echo unknown)"
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ifneq ($(GIT_VERSION)," unknown")
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COREFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
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endif
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COREFLAGS += -DHAVE_MMAP
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ifeq ($(HAVE_CHD),1)
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COREFLAGS += -DHAVE_CHD -DHAVE_RCHD -DHAVE_RCHD_DEFLATE -DHAVE_RCHD_LZMA -DHAVE_RCHD_FLAC -DHAVE_RCHD_ZSTD -DHAVE_RFLAC -DHAVE_RZSTD
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endif
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ifeq ($(HAVE_VULKAN),1)
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COREFLAGS += -DHAVE_VULKAN
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endif
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include $(CLEAR_VARS)
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LOCAL_MODULE := retro
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LOCAL_SRC_FILES := $(SOURCES_CXX) $(SOURCES_C) $(SOURCES_ASM)
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LOCAL_CFLAGS := $(COREFLAGS) $(CFLAGS)
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LOCAL_CXXFLAGS := -std=c++11 $(COREFLAGS) $(CXXFLAGS)
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LOCAL_LDFLAGS := -Wl,-version-script=$(CORE_DIR)/link.T
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LOCAL_LDLIBS := -lGLESv2 -llog $(CORELDLIBS)
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LOCAL_CPP_FEATURES := exceptions
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LOCAL_ARM_NEON := true
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LOCAL_ARM_MODE := arm
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ifeq ($(NO_THREADS),1)
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else
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#LOCAL_LDLIBS += -lpthread
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endif
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include $(BUILD_SHARED_LIBRARY)
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