Make it possible to build SwiftShader for Fuchsia.

src/Common/Socket.cpp

@@ -20,6 +20,7 @@
 	#include <unistd.h>
 	#include <netdb.h>
 	#include <netinet/in.h>
+	#include <sys/select.h>
 #endif
 
 namespace sw

src/OpenGL/compiler/BUILD.gn

@@ -76,7 +76,7 @@ swiftshader_source_set("swiftshader_opengl_compiler") {
     all_dependent_configs = [ ":swiftshader_translator_disable_pool_alloc" ]
   }
 
-  if (is_linux || is_mac) {
+  if (is_linux || is_mac || is_fuchsia) {
     sources += [ "ossource_posix.cpp" ]
   } else if (is_win) {
     sources += [ "ossource_win.cpp" ]

src/OpenGL/compiler/osinclude.h

@@ -26,7 +26,7 @@
       defined(__FreeBSD__) || defined(__OpenBSD__) || \
       defined(__sun) || defined(ANDROID) || \
       defined(__GLIBC__) || defined(__GNU__) || \
-      defined(__QNX__)
+      defined(__QNX__) || defined(__Fuchsia__)
 #define ANGLE_OS_POSIX
 #else
 #error Unsupported platform.

src/OpenGL/libEGL/Display.cpp

@@ -572,6 +572,9 @@ bool Display::isValidWindow(EGLNativeWindowType window)
 		return false;
 	#elif defined(__APPLE__)
 		return sw::OSX::IsValidWindow(window);
+	#elif defined(__Fuchsia__)
+		// TODO(crbug.com/800951): Integrate with Mozart.
+		return true;
 	#else
 		#error "Display::isValidWindow unimplemented for this platform"
 		return false;
@@ -744,6 +747,8 @@ sw::Format Display::getDisplayFormat() const
 		}
 	#elif defined(__APPLE__)
 		return sw::FORMAT_A8B8G8R8;
+	#elif defined(__Fuchsia__)
+		return sw::FORMAT_A8B8G8R8;
 	#else
 		#error "Display::isValidWindow unimplemented for this platform"
 	#endif

src/OpenGL/libEGL/Surface.cpp

@@ -294,6 +294,10 @@ bool WindowSurface::checkForResize()
 		int windowWidth;
 		int windowHeight;
 		sw::OSX::GetNativeWindowSize(window, windowWidth, windowHeight);
+	#elif defined(__Fuchsia__)
+		// TODO(crbug.com/800951): Integrate with Mozart.
+		int windowWidth = 100;
+		int windowHeight = 100;
 	#else
 		#error "WindowSurface::checkForResize unimplemented for this platform"
 	#endif

src/OpenGL/libEGL/libEGL.hpp

@@ -118,6 +118,8 @@ private:
 				#else
 					const char *libEGL_lib[] = {"libEGL_translator.dylib", "libEGL.so", "libEGL.dylib", "libswiftshader_libEGL.dylib"};
 				#endif
+			#elif defined(__Fuchsia__)
+				const char *libEGL_lib[] = {"libEGL.so"};
 			#else
 				#error "libEGL::loadExports unimplemented for this platform"
 			#endif

src/OpenGL/libGLES_CM/libGLES_CM.hpp

@@ -279,6 +279,8 @@ private:
 				#else
 					const char *libGLES_CM_lib[] = {"libGLES_CM_translator.dylib", "libGLES_CM.dylib"};
 				#endif
+			#elif defined(__Fuchsia__)
+				const char *libGLES_CM_lib[] = {"libGLES_CM.so"};
 			#else
 				#error "libGLES_CM::loadExports unimplemented for this platform"
 			#endif

src/OpenGL/libGLESv2/libGLESv2.hpp

@@ -302,6 +302,8 @@ private:
 				#else
 					const char *libGLESv2_lib[] = {"libGLES_V2_translator.dylib", "libGLESv2.dylib", "libswiftshader_libGLESv2.dylib"};
 				#endif
+			#elif defined(__Fuchsia__)
+				const char *libGLESv2_lib[] = {"libGLESv2.so"};
 			#else
 				#error "libGLESv2::loadExports unimplemented for this platform"
 			#endif

third_party/LLVM/BUILD.gn

@@ -463,6 +463,8 @@ swiftshader_source_set("swiftshader_llvm") {
     include_dirs += [ "include-linux" ]
   } else if (is_mac) {
     include_dirs += [ "include-osx" ]
+  } else if (is_fuchsia) {
+    include_dirs += [ "include-fuchsia" ]
   }
 
   include_dirs += [ "include" ]

third_party/LLVM/include-fuchsia/llvm/Config/llvm-config.h

+/*===-- llvm/config/llvm-config.h - llvm configure variable -------*- C -*-===*/
+/*                                                                            */
+/*                     The LLVM Compiler Infrastructure                       */
+/*                                                                            */
+/* This file is distributed under the University of Illinois Open Source      */
+/* License. See LICENSE.TXT for details.                                      */
+/*                                                                            */
+/*===----------------------------------------------------------------------===*/
+
+/* This file enumerates all of the llvm variables from configure so that
+   they can be in exported headers and won't override package specific
+   directives.  This is a C file so we can include it in the llvm-c headers.  */
+
+/* To avoid multiple inclusions of these variables when we include the exported
+   headers and config.h, conditionally include these.  */
+/* TODO: This is a bit of a hack.  */
+#ifndef CONFIG_H
+
+/* Installation directory for binary executables */
+/* #undef LLVM_BINDIR */
+
+/* Time at which LLVM was configured */
+/* #undef LLVM_CONFIGTIME */
+
+/* Installation directory for data files */
+/* #undef LLVM_DATADIR */
+
+/* Installation directory for documentation */
+/* #undef LLVM_DOCSDIR */
+
+/* Installation directory for config files */
+/* #undef LLVM_ETCDIR */
+
+/* Has gcc/MSVC atomic intrinsics */
+#define LLVM_HAS_ATOMICS 1
+
+/* Host triple we were built on */
+#define LLVM_HOSTTRIPLE "i686-pc-linux-gnu"
+
+/* Installation directory for include files */
+/* #undef LLVM_INCLUDEDIR */
+
+/* Installation directory for .info files */
+/* #undef LLVM_INFODIR */
+
+/* Installation directory for libraries */
+/* #undef LLVM_LIBDIR */
+
+/* Installation directory for man pages */
+/* #undef LLVM_MANDIR */
+
+/* LLVM architecture name for the native architecture, if available */
+#define LLVM_NATIVE_ARCH X86
+
+/* LLVM name for the native AsmParser init function, if available */
+/* #undef LLVM_NATIVE_ASMPARSER */
+
+/* LLVM name for the native AsmPrinter init function, if available */
+#define LLVM_NATIVE_ASMPRINTER LLVMInitializeX86AsmPrinter
+
+/* LLVM name for the native Target init function, if available */
+#define LLVM_NATIVE_TARGET LLVMInitializeX86Target
+
+/* LLVM name for the native TargetInfo init function, if available */
+#define LLVM_NATIVE_TARGETINFO LLVMInitializeX86TargetInfo
+
+/* LLVM name for the native target MC init function, if available */
+#define LLVM_NATIVE_TARGETMC LLVMInitializeX86TargetMC
+
+/* Define if this is Unixish platform */
+#define LLVM_ON_UNIX 1
+
+/* Define if this is Win32ish platform */
+/* #undef LLVM_ON_WIN32 */
+
+/* Define to path to circo program if found or 'echo circo' otherwise */
+/* #undef LLVM_PATH_CIRCO */
+
+/* Define to path to dot program if found or 'echo dot' otherwise */
+/* #undef LLVM_PATH_DOT */
+
+/* Define to path to dotty program if found or 'echo dotty' otherwise */
+/* #undef LLVM_PATH_DOTTY */
+
+/* Define to path to fdp program if found or 'echo fdp' otherwise */
+/* #undef LLVM_PATH_FDP */
+
+/* Define to path to Graphviz program if found or 'echo Graphviz' otherwise */
+/* #undef LLVM_PATH_GRAPHVIZ */
+
+/* Define to path to gv program if found or 'echo gv' otherwise */
+/* #undef LLVM_PATH_GV */
+
+/* Define to path to neato program if found or 'echo neato' otherwise */
+/* #undef LLVM_PATH_NEATO */
+
+/* Define to path to twopi program if found or 'echo twopi' otherwise */
+/* #undef LLVM_PATH_TWOPI */
+
+/* Define to path to xdot.py program if found or 'echo xdot.py' otherwise */
+/* #undef LLVM_PATH_XDOT_PY */
+
+/* Installation prefix directory */
+#define LLVM_PREFIX "/usr/local"
+
+#endif
\ No newline at end of file

third_party/LLVM/include-fuchsia/llvm/Support/DataTypes.h

+/*===-- include/Support/DataTypes.h - Define fixed size types -----*- C -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file contains definitions to figure out the size of _HOST_ data types.*|
+|* This file is important because different host OS's define different macros,*|
+|* which makes portability tough.  This file exports the following            *|
+|* definitions:                                                               *|
+|*                                                                            *|
+|*   [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*|
+|*   [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values.     *|
+|*                                                                            *|
+|* No library is required when using these functions.                         *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*/
+
+/* Please leave this file C-compatible. */
+
+/* Please keep this file in sync with DataTypes.h.in */
+
+#ifndef SUPPORT_DATATYPES_H
+#define SUPPORT_DATATYPES_H
+
+#define HAVE_SYS_TYPES_H 1
+#define HAVE_INTTYPES_H 1
+#define HAVE_STDINT_H 1
+#define HAVE_UINT64_T 1
+#define HAVE_U_INT64_T 1
+
+#ifdef __cplusplus
+#include <cmath>
+#else
+#include <math.h>
+#endif
+
+#ifndef _MSC_VER
+
+/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
+   being defined.  We would define it here, but in order to prevent Bad Things
+   happening when system headers or C++ STL headers include stdint.h before we
+   define it here, we define it on the g++ command line (in Makefile.rules). */
+#if !defined(__STDC_LIMIT_MACROS)
+# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
+#endif
+
+#if !defined(__STDC_CONSTANT_MACROS)
+# error "Must #define __STDC_CONSTANT_MACROS before " \
+        "#including Support/DataTypes.h"
+#endif
+
+/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#ifdef _AIX
+#include "llvm/Support/AIXDataTypesFix.h"
+#endif
+
+/* Handle incorrect definition of uint64_t as u_int64_t */
+#ifndef HAVE_UINT64_T
+#ifdef HAVE_U_INT64_T
+typedef u_int64_t uint64_t;
+#else
+# error "Don't have a definition for uint64_t on this platform"
+#endif
+#endif
+
+#ifdef _OpenBSD_
+#define INT8_MAX 127
+#define INT8_MIN -128
+#define UINT8_MAX 255
+#define INT16_MAX 32767
+#define INT16_MIN -32768
+#define UINT16_MAX 65535
+#define INT32_MAX 2147483647
+#define INT32_MIN -2147483648
+#define UINT32_MAX 4294967295U
+#endif
+
+#else /* _MSC_VER */
+/* Visual C++ doesn't provide standard integer headers, but it does provide
+   built-in data types. */
+#include <stdlib.h>
+#include <stddef.h>
+#include <sys/types.h>
+#ifdef __cplusplus
+#include <cmath>
+#else
+#include <math.h>
+#endif
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+typedef signed int int32_t;
+typedef unsigned int uint32_t;
+typedef short int16_t;
+typedef unsigned short uint16_t;
+typedef signed char int8_t;
+typedef unsigned char uint8_t;
+typedef signed int ssize_t;
+#ifndef INT8_MAX
+# define INT8_MAX 127
+#endif
+#ifndef INT8_MIN
+# define INT8_MIN -128
+#endif
+#ifndef UINT8_MAX
+# define UINT8_MAX 255
+#endif
+#ifndef INT16_MAX
+# define INT16_MAX 32767
+#endif
+#ifndef INT16_MIN
+# define INT16_MIN -32768
+#endif
+#ifndef UINT16_MAX
+# define UINT16_MAX 65535
+#endif
+#ifndef INT32_MAX
+# define INT32_MAX 2147483647
+#endif
+#ifndef INT32_MIN
+/* MSC treats -2147483648 as -(2147483648U). */
+# define INT32_MIN (-INT32_MAX - 1)
+#endif
+#ifndef UINT32_MAX
+# define UINT32_MAX 4294967295U
+#endif
+/* Certain compatibility updates to VC++ introduce the `cstdint'
+ * header, which defines the INT*_C macros. On default installs they
+ * are absent. */
+#ifndef INT8_C
+# define INT8_C(C)   C##i8
+#endif
+#ifndef UINT8_C
+# define UINT8_C(C)  C##ui8
+#endif
+#ifndef INT16_C
+# define INT16_C(C)  C##i16
+#endif
+#ifndef UINT16_C
+# define UINT16_C(C) C##ui16
+#endif
+#ifndef INT32_C
+# define INT32_C(C)  C##i32
+#endif
+#ifndef UINT32_C
+# define UINT32_C(C) C##ui32
+#endif
+#ifndef INT64_C
+# define INT64_C(C)  C##i64
+#endif
+#ifndef UINT64_C
+# define UINT64_C(C) C##ui64
+#endif
+
+#ifndef PRIx64
+# define PRIx64 "I64x"
+#endif
+
+#endif /* _MSC_VER */
+
+/* Set defaults for constants which we cannot find. */
+#if !defined(INT64_MAX)
+# define INT64_MAX 9223372036854775807LL
+#endif
+#if !defined(INT64_MIN)
+# define INT64_MIN ((-INT64_MAX)-1)
+#endif
+#if !defined(UINT64_MAX)
+# define UINT64_MAX 0xffffffffffffffffULL
+#endif
+
+#if __GNUC__ > 3
+#define END_WITH_NULL __attribute__((sentinel))
+#else
+#define END_WITH_NULL
+#endif
+
+#ifndef HUGE_VALF
+#define HUGE_VALF (float)HUGE_VAL
+#endif
+
+#endif  /* SUPPORT_DATATYPES_H */
\ No newline at end of file

third_party/LLVM/lib/Support/Mutex.cpp

@@ -75,7 +75,7 @@ MutexImpl::MutexImpl( bool recursive)
     errorcode = pthread_mutexattr_settype(&attr, kind);
     assert(errorcode == 0);
 
-#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__)
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__Fuchsia__)
     // Make it a process local mutex
     errorcode = pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE);
     assert(errorcode == 0);

third_party/LLVM/lib/Support/Unix/Process.inc

@@ -77,6 +77,8 @@ size_t Process::GetMallocUsage() {
     return EndOfMemory - StartOfMemory;
   else
     return 0;
+#elif defined(__Fuchsia__)
+  return 0;
 #else
 #warning Cannot get malloc info on this platform
   return 0;