CARPLAY版本整理

MXC_A27-PCB4.5-270T/lib/awtk/awtk/3rd/bgfx/.gitignore

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+bgfx
+bimg
+bx

MXC_A27-PCB4.5-270T/lib/awtk/awtk/3rd/bgfx/README.md

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+# bgfx
+
+使用bgfx需要手工去下列软件包：
+
+* bx：https://github.com/bkaradzic/bx.git 
+* bimg：https://github.com/bkaradzic/bimg.git 
+* bgfx: https://github.com/bkaradzic/bgfx.git
+
+```
+git clone https://github.com/bkaradzic/bx.git 
+git clone https://github.com/bkaradzic/bimg.git 
+git clone https://github.com/bkaradzic/bgfx.git
+
+```
+
+已知问题：
+
+bgfx.h中的init函数，在部分编译器上有问题，可以按下列方式修改：
+
+
+```
+-   bool init(const Init& _init = {});
++ bool init(const Init& _init);
+```
+

MXC_A27-PCB4.5-270T/lib/awtk/awtk/3rd/bgfx/SConscript

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+import os   
+import platform
+BgCppPath=[]
+BgSources=[]
+env=DefaultEnvironment().Clone()
+OS_NAME=platform.system()
+LIB_DIR=os.environ['LIB_DIR'];
+CCFLAGS=os.environ['CCFLAGS'];
+
+BgCppPath=['bx/3rdparty',
+                'bx/include',
+                'bimg/include',
+                'bgfx/3rdparty',
+                'bgfx/3rdparty/khronos',
+                'bimg/3rdparty/astc-codec/include',
+                'bimg/3rdparty/astc-codec/',
+                'bgfx/include']
+BgSources=[
+                'bx/src/allocator.cpp',
+                'bx/src/bx.cpp',
+                'bx/src/commandline.cpp',
+                'bx/src/crtnone.cpp',
+                'bx/src/debug.cpp',
+                'bx/src/dtoa.cpp',
+                'bx/src/easing.cpp',
+                'bx/src/file.cpp',
+                'bx/src/filepath.cpp',
+                'bx/src/hash.cpp',
+                'bx/src/math.cpp',
+                'bx/src/mutex.cpp',
+                'bx/src/os.cpp',
+                'bx/src/process.cpp',
+                'bx/src/semaphore.cpp',
+                'bx/src/settings.cpp',
+                'bx/src/string.cpp',
+                'bx/src/sort.cpp',
+                'bx/src/thread.cpp',
+                'bx/src/timer.cpp',
+                'bx/src/url.cpp',
+                'bimg/src/image.cpp',
+                'bimg/src/image_gnf.cpp',
+                'bgfx/src/bgfx.cpp',
+                'bgfx/src/debug_renderdoc.cpp',
+                'bgfx/src/dxgi.cpp',
+                'bgfx/src/glcontext_egl.cpp',
+                'bgfx/src/glcontext_glx.cpp',
+                'bgfx/src/glcontext_wgl.cpp',
+                'bgfx/src/nvapi.cpp',
+                'bgfx/src/renderer_d3d11.cpp',
+                'bgfx/src/renderer_d3d12.cpp',
+                'bgfx/src/renderer_d3d9.cpp',
+                'bgfx/src/renderer_gl.cpp',
+                'bgfx/src/renderer_nvn.cpp',
+                'bgfx/src/renderer_gnm.cpp',
+                'bgfx/src/renderer_noop.cpp',
+                'bgfx/src/renderer_vk.cpp',
+                'bgfx/src/shader.cpp',
+                'bgfx/src/shader_dx9bc.cpp',
+                'bgfx/src/shader_dxbc.cpp',
+                'bgfx/src/shader_spirv.cpp',
+                'bgfx/src/topology.cpp',
+                'bgfx/src/vertexdecl.cpp'
+                ] + Glob("bimg/3rdparty/astc-codec/src/decoder/*.cc")
+
+if OS_NAME == 'Windows':
+  CCFLAGS = CCFLAGS + ' /std:c++14 ';
+  BgCppPath = BgCppPath + ['bx/include/compat/msvc','bgfx/3rdparty/dxsdk/include']
+elif OS_NAME == 'Darwin':
+  CCFLAGS = CCFLAGS + ' -std=c++14 '
+  BgCppPath= BgCppPath + ['bx/include/compat/osx']
+  BgSources= BgSources + ['bgfx/src/renderer_mtl.mm']
+        
+env.Library(os.path.join(LIB_DIR, 'bgfx'), BgSources, CPPPATH = BgCppPath,CCFLAGS = CCFLAGS)
+