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LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
BUGREPORT_FONT_CACHE_USAGE := false
# Enables fine-grained GLES error checking
# If set to true, every GLES call is wrapped & error checked
# Has moderate overhead
HWUI_ENABLE_OPENGL_VALIDATION := false
hwui_src_files := \
hwui/Bitmap.cpp \
font/CacheTexture.cpp \
font/Font.cpp \
hwui/Canvas.cpp \
hwui/MinikinSkia.cpp \
hwui/MinikinUtils.cpp \
hwui/PaintImpl.cpp \
hwui/Typeface.cpp \
renderstate/Blend.cpp \
renderstate/MeshState.cpp \
renderstate/OffscreenBufferPool.cpp \
renderstate/PixelBufferState.cpp \
renderstate/RenderState.cpp \
renderstate/Scissor.cpp \
renderstate/Stencil.cpp \
renderstate/TextureState.cpp \
renderthread/CanvasContext.cpp \
renderthread/OpenGLPipeline.cpp \
renderthread/DrawFrameTask.cpp \
renderthread/EglManager.cpp \
renderthread/RenderProxy.cpp \
renderthread/RenderTask.cpp \
renderthread/RenderThread.cpp \
renderthread/TimeLord.cpp \
thread/TaskManager.cpp \
utils/Blur.cpp \
utils/GLUtils.cpp \
utils/LinearAllocator.cpp \
utils/StringUtils.cpp \
utils/TestWindowContext.cpp \
utils/VectorDrawableUtils.cpp \
AmbientShadow.cpp \
AnimationContext.cpp \
Animator.cpp \
AnimatorManager.cpp \
BakedOpDispatcher.cpp \
BakedOpRenderer.cpp \
BakedOpState.cpp \
Caches.cpp \
CanvasState.cpp \
ClipArea.cpp \
DamageAccumulator.cpp \
DeferredLayerUpdater.cpp \
DeviceInfo.cpp \
DisplayList.cpp \
Extensions.cpp \
FboCache.cpp \
FontRenderer.cpp \
FrameBuilder.cpp \
FrameInfo.cpp \
FrameInfoVisualizer.cpp \
GammaFontRenderer.cpp \
GlopBuilder.cpp \
GpuMemoryTracker.cpp \
GradientCache.cpp \
Image.cpp \
Interpolator.cpp \
JankTracker.cpp \
Layer.cpp \
LayerBuilder.cpp \
LayerUpdateQueue.cpp \
Matrix.cpp \
OpDumper.cpp \
Patch.cpp \
PatchCache.cpp \
PathCache.cpp \
PathParser.cpp \
PathTessellator.cpp \
PixelBuffer.cpp \
ProfileRenderer.cpp \
Program.cpp \
ProgramCache.cpp \
Properties.cpp \
PropertyValuesAnimatorSet.cpp \
PropertyValuesHolder.cpp \
Readback.cpp \
RecordingCanvas.cpp \
RenderBufferCache.cpp \
RenderNode.cpp \
RenderProperties.cpp \
ResourceCache.cpp \
ShadowTessellator.cpp \
SkiaCanvas.cpp \
SkiaCanvasProxy.cpp \
SkiaDisplayList.cpp \
SkiaShader.cpp \
Snapshot.cpp \
SpotShadow.cpp \
TessellationCache.cpp \
TextDropShadowCache.cpp \
Texture.cpp \
TextureCache.cpp \
VectorDrawable.cpp \
protos/hwui.proto
hwui_test_common_src_files := \
$(call all-cpp-files-under, tests/common/scenes) \
tests/common/LeakChecker.cpp \
tests/common/TestListViewSceneBase.cpp \
tests/common/TestContext.cpp \
tests/common/TestScene.cpp \
tests/common/TestUtils.cpp
hwui_debug_common_src_files := \
debug/wrap_gles.cpp \
debug/DefaultGlesDriver.cpp \
debug/GlesErrorCheckWrapper.cpp \
debug/GlesDriver.cpp \
debug/FatalBaseDriver.cpp \
debug/NullGlesDriver.cpp
hwui_cflags := \
-DEGL_EGLEXT_PROTOTYPES -DGL_GLEXT_PROTOTYPES \
-DATRACE_TAG=ATRACE_TAG_VIEW -DLOG_TAG=\"OpenGLRenderer\" \
-Wall -Wno-unused-parameter -Wunreachable-code -Werror
ifeq ($(TARGET_USES_HWC2),true)
hwui_cflags += -DUSE_HWC2
endif
Linear blending, step 1 NOTE: Linear blending is currently disabled in this CL as the feature is still a work in progress Android currently performs all blending (any kind of linear math on colors really) on gamma-encoded colors. Since Android assumes that the default color space is sRGB, all bitmaps and colors are encoded with the sRGB Opto-Electronic Conversion Function (OECF, which can be approximated with a power function). Since the power curve is not linear, our linear math is incorrect. The result is that we generate colors that tend to be too dark; this affects blending but also anti-aliasing, gradients, blurs, etc. The solution is to convert gamma-encoded colors back to linear space before doing any math on them, using the sRGB Electo-Optical Conversion Function (EOCF). This is achieved in different ways in different parts of the pipeline: - Using hardware conversions when sampling from OpenGL textures or writing into OpenGL frame buffers - Using software conversion functions, to translate app-supplied colors to and from sRGB - Using Skia's color spaces Any type of processing on colors must roughly ollow these steps: [sRGB input]->EOCF->[linear data]->[processing]->OECF->[sRGB output] For the sRGB color space, the conversion functions are defined as follows: OECF(linear) := linear <= 0.0031308 ? linear * 12.92 : (pow(linear, 1/2.4) * 1.055) - 0.055 EOCF(srgb) := srgb <= 0.04045 ? srgb / 12.92 : pow((srgb + 0.055) / 1.055, 2.4) The EOCF is simply the reciprocal of the OECF. While it is highly recommended to use the exact sRGB conversion functions everywhere possible, it is sometimes useful or beneficial to rely on approximations: - pow(x,2.2) and pow(x,1/2.2) - x^2 and sqrt(x) The latter is particularly useful in fragment shaders (for instance to apply dithering in sRGB space), especially if the sqrt() can be replaced with an inversesqrt(). Here is a fairly exhaustive list of modifications implemented in this CL: - Set TARGET_ENABLE_LINEAR_BLENDING := false in BoardConfig.mk to disable linear blending. This is only for GLES 2.0 GPUs with no hardware sRGB support. This flag is currently assumed to be false (see note above) - sRGB writes are disabled when entering a functor (WebView). This will need to be fixed at some point - Skia bitmaps are created with the sRGB color space - Bitmaps using a 565 config are expanded to 888 - Linear blending is disabled when entering a functor - External textures are not properly sampled (see below) - Gradients are interpolated in linear space - Texture-based dithering was replaced with analytical dithering - Dithering is done in the quantization color space, which is why we must do EOCF(OECF(color)+dither) - Text is now gamma corrected differently depending on the luminance of the source pixel. The asumption is that a bright pixel will be blended on a dark background and the other way around. The source alpha is gamma corrected to thicken dark on bright and thin bright on dark to match the intended design of fonts. This also matches the behavior of popular design/drawing applications - Removed the asset atlas. It did not contain anything useful and could not be sampled in sRGB without a yet-to-be-defined GL extension - The last column of color matrices is converted to linear space because its value are added to linear colors Missing features: - Resource qualifier? - Regeneration of goldeng images for automated tests - Handle alpha8/grey8 properly - Disable sRGB write for layers with external textures Test: Manual testing while work in progress Bug: 29940137 Change-Id: I6a07b15ab49b554377cd33a36b6d9971a15e9a0b
2016-09-28 17:34:42 -07:00
# TODO: Linear blending should be enabled by default, but we are
# TODO: making it an opt-in while it's a work in progress
# TODO: The final test should be:
# TODO: ifneq ($(TARGET_ENABLE_LINEAR_BLENDING),false)
ifeq ($(TARGET_ENABLE_LINEAR_BLENDING),true)
hwui_cflags += -DANDROID_ENABLE_LINEAR_BLENDING
endif
# GCC false-positives on this warning, and since we -Werror that's
# a problem
hwui_cflags += -Wno-free-nonheap-object
# clang's warning is broken, see: https://llvm.org/bugs/show_bug.cgi?id=21629
hwui_cflags += -Wno-missing-braces
ifeq (true, $(BUGREPORT_FONT_CACHE_USAGE))
hwui_src_files += \
font/FontCacheHistoryTracker.cpp
hwui_cflags += -DBUGREPORT_FONT_CACHE_USAGE
endif
ifndef HWUI_COMPILE_SYMBOLS
hwui_cflags += -fvisibility=hidden
endif
ifdef HWUI_COMPILE_FOR_PERF
# TODO: Non-arm?
hwui_cflags += -fno-omit-frame-pointer -marm -mapcs
endif
# This has to be lazy-resolved because it depends on the LOCAL_MODULE_CLASS
# which varies depending on what is being built
define hwui_proto_include
$(call local-generated-sources-dir)/proto/$(LOCAL_PATH)
endef
hwui_c_includes += \
external/skia/include/private \
external/skia/src/core \
external/harfbuzz_ng/src \
external/freetype/include
ifneq (false,$(ANDROID_ENABLE_RENDERSCRIPT))
hwui_cflags += -DANDROID_ENABLE_RENDERSCRIPT
hwui_c_includes += \
$(call intermediates-dir-for,STATIC_LIBRARIES,libRS,TARGET,) \
frameworks/rs/cpp \
frameworks/rs
endif
# ------------------------
# static library
# ------------------------
include $(CLEAR_VARS)
LOCAL_MODULE_CLASS := STATIC_LIBRARIES
LOCAL_MODULE := libhwui_static
LOCAL_CFLAGS := $(hwui_cflags)
LOCAL_SRC_FILES := $(hwui_src_files)
ifeq (true, $(HWUI_ENABLE_OPENGL_VALIDATION))
LOCAL_CFLAGS += -include debug/wrap_gles.h
LOCAL_CFLAGS += -DDEBUG_OPENGL=3
LOCAL_SRC_FILES += $(hwui_debug_common_src_files)
endif
LOCAL_C_INCLUDES := $(hwui_c_includes) $(call hwui_proto_include)
LOCAL_EXPORT_C_INCLUDE_DIRS := \
$(LOCAL_PATH) \
$(call hwui_proto_include)
include $(LOCAL_PATH)/hwui_static_deps.mk
include $(BUILD_STATIC_LIBRARY)
# ------------------------
# static library null gpu
# ------------------------
include $(CLEAR_VARS)
LOCAL_MODULE_CLASS := STATIC_LIBRARIES
LOCAL_MODULE := libhwui_static_debug
LOCAL_CFLAGS := \
$(hwui_cflags) \
-include debug/wrap_gles.h \
-DHWUI_NULL_GPU
LOCAL_SRC_FILES := \
$(hwui_src_files) \
$(hwui_debug_common_src_files) \
debug/nullegl.cpp
LOCAL_C_INCLUDES := $(hwui_c_includes) $(call hwui_proto_include)
LOCAL_EXPORT_C_INCLUDE_DIRS := \
$(LOCAL_PATH) \
$(call hwui_proto_include)
include $(LOCAL_PATH)/hwui_static_deps.mk
include $(BUILD_STATIC_LIBRARY)
# ------------------------
# shared library
# ------------------------
include $(CLEAR_VARS)
LOCAL_MODULE_CLASS := SHARED_LIBRARIES
LOCAL_MODULE := libhwui
LOCAL_WHOLE_STATIC_LIBRARIES := libhwui_static
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
include $(LOCAL_PATH)/hwui_static_deps.mk
include $(BUILD_SHARED_LIBRARY)
# ------------------------
# unit tests
# ------------------------
include $(CLEAR_VARS)
LOCAL_MODULE := hwui_unit_tests
LOCAL_MODULE_TAGS := tests
LOCAL_STATIC_LIBRARIES := libgmock libhwui_static_debug
LOCAL_SHARED_LIBRARIES := libmemunreachable
LOCAL_CFLAGS := \
$(hwui_cflags) \
-include debug/wrap_gles.h \
-DHWUI_NULL_GPU
LOCAL_C_INCLUDES := $(hwui_c_includes)
LOCAL_SRC_FILES += \
$(hwui_test_common_src_files) \
tests/unit/main.cpp \
tests/unit/BakedOpDispatcherTests.cpp \
tests/unit/BakedOpRendererTests.cpp \
tests/unit/BakedOpStateTests.cpp \
tests/unit/CanvasContextTests.cpp \
tests/unit/CanvasStateTests.cpp \
tests/unit/ClipAreaTests.cpp \
tests/unit/DamageAccumulatorTests.cpp \
tests/unit/DeferredLayerUpdaterTests.cpp \
tests/unit/DeviceInfoTests.cpp \
tests/unit/FatVectorTests.cpp \
tests/unit/FontRendererTests.cpp \
tests/unit/FrameBuilderTests.cpp \
tests/unit/GlopBuilderTests.cpp \
tests/unit/GpuMemoryTrackerTests.cpp \
tests/unit/GradientCacheTests.cpp \
tests/unit/LayerUpdateQueueTests.cpp \
tests/unit/LeakCheckTests.cpp \
tests/unit/LinearAllocatorTests.cpp \
tests/unit/MatrixTests.cpp \
tests/unit/MeshStateTests.cpp \
tests/unit/OffscreenBufferPoolTests.cpp \
tests/unit/OpDumperTests.cpp \
tests/unit/RecordingCanvasTests.cpp \
tests/unit/RenderNodeTests.cpp \
tests/unit/RenderPropertiesTests.cpp \
tests/unit/SkiaBehaviorTests.cpp \
tests/unit/SkiaDisplayListTests.cpp \
tests/unit/SkiaCanvasTests.cpp \
tests/unit/SnapshotTests.cpp \
tests/unit/StringUtilsTests.cpp \
tests/unit/TestUtilsTests.cpp \
tests/unit/TextDropShadowCacheTests.cpp \
tests/unit/VectorDrawableTests.cpp \
include $(LOCAL_PATH)/hwui_static_deps.mk
include $(BUILD_NATIVE_TEST)
# ------------------------
# Macro-bench app
# ------------------------
include $(CLEAR_VARS)
LOCAL_MODULE_PATH := $(TARGET_OUT_DATA)/local/tmp
LOCAL_MODULE:= hwuimacro
LOCAL_MODULE_TAGS := tests
LOCAL_MULTILIB := both
LOCAL_CFLAGS := $(hwui_cflags)
LOCAL_C_INCLUDES := $(hwui_c_includes)
# set to libhwui_static_debug to skip actual GL commands
LOCAL_WHOLE_STATIC_LIBRARIES := libhwui_static
LOCAL_SHARED_LIBRARIES := libmemunreachable
LOCAL_SRC_FILES += \
$(hwui_test_common_src_files) \
tests/macrobench/TestSceneRunner.cpp \
tests/macrobench/main.cpp
include $(LOCAL_PATH)/hwui_static_deps.mk
include $(BUILD_NATIVE_BENCHMARK)
# ------------------------
# Micro-bench app
# ---------------------
include $(CLEAR_VARS)
LOCAL_MODULE:= hwuimicro
LOCAL_MODULE_TAGS := tests
LOCAL_CFLAGS := \
$(hwui_cflags) \
-include debug/wrap_gles.h \
-DHWUI_NULL_GPU
LOCAL_C_INCLUDES := $(hwui_c_includes)
LOCAL_WHOLE_STATIC_LIBRARIES := libhwui_static_debug
LOCAL_SHARED_LIBRARIES := libmemunreachable
LOCAL_SRC_FILES += \
$(hwui_test_common_src_files) \
tests/microbench/main.cpp \
tests/microbench/DisplayListCanvasBench.cpp \
tests/microbench/FontBench.cpp \
tests/microbench/FrameBuilderBench.cpp \
tests/microbench/LinearAllocatorBench.cpp \
tests/microbench/PathParserBench.cpp \
tests/microbench/ShadowBench.cpp \
tests/microbench/TaskManagerBench.cpp
include $(LOCAL_PATH)/hwui_static_deps.mk
include $(BUILD_NATIVE_BENCHMARK)