SwiftShader on Fuchsia x64

src/OpenGL/libEGL/libEGL.hpp

@@ -113,7 +113,7 @@ private:
 					const char *libEGL_lib[] = {"libswiftshader_libEGL.dylib", "libEGL_translator.dylib", "libEGL.so", "libEGL.dylib"};
 				#endif
 			#elif defined(__Fuchsia__)
-				const char *libEGL_lib[] = {"libEGL.so"};
+				const char *libEGL_lib[] = {"libswiftshader_libEGL.so", "libEGL.so"};
 			#else
 				#error "libEGL::loadExports unimplemented for this platform"
 			#endif

src/OpenGL/libGLESv2/libGLESv2.hpp

@@ -299,7 +299,7 @@ private:
 					const char *libGLESv2_lib[] = {"libswiftshader_libGLESv2.dylib", "libGLES_V2_translator.dylib", "libGLESv2.dylib"};
 				#endif
 			#elif defined(__Fuchsia__)
-				const char *libGLESv2_lib[] = {"libGLESv2.so"};
+				const char *libGLESv2_lib[] = {"libswiftshader_libGLESv2.so", "libGLESv2.so"};
 			#else
 				#error "libGLESv2::loadExports unimplemented for this platform"
 			#endif

src/Reactor/BUILD.gn

@@ -15,9 +15,7 @@
 import("../swiftshader.gni")
 
 declare_args() {
-  # Currently, Subzero is not used by default
-  # LLVM is still the default backend
-  use_swiftshader_with_subzero = is_win || is_linux || is_mac || is_chromeos
+  use_swiftshader_with_subzero = true
 }
 
 # Need a separate config to ensure the warnings are added to the end.
@@ -59,6 +57,8 @@ config("swiftshader_subzero_common_private_config") {
     include_dirs += [ "../../third_party/llvm-subzero/build/Windows/include/" ]
   } else if (is_linux) {
     include_dirs += [ "../../third_party/llvm-subzero/build/Linux/include/" ]
+  } else if (is_fuchsia) {
+    include_dirs += [ "../../third_party/llvm-subzero/build/Fuchsia/include/" ]
   } else if (is_mac) {
     include_dirs += [ "../../third_party/llvm-subzero/build/MacOS/include/" ]
   }
@@ -95,13 +95,17 @@ config("swiftshader_subzero_private_config") {
         cflags += [ "-Wno-sign-compare" ]
       }
     }
-  } else if (is_linux || is_mac) {
+  } else if (is_linux || is_mac || is_fuchsia) {
     cflags += [ "-Wno-macro-redefined" ]
   }
 
   if (is_clang) {
     cflags += [ "-Wno-header-hygiene" ]
   }
+
+  if (is_fuchsia) {
+    cflags += [ "-Wno-error" ]
+  }
 }
 
 config("swiftshader_reactor_with_subzero_private_config") {
@@ -136,6 +140,10 @@ config("swiftshader_reactor_with_subzero_private_config") {
   if (is_clang) {
     cflags += [ "-Wno-header-hygiene" ]
   }
+
+  if (is_fuchsia) {
+    cflags += [ "-Wno-error" ]
+  }
 }
 
 config("swiftshader_reactor_private_config") {

third_party/LLVM/BUILD.gn

@@ -50,6 +50,10 @@ config("swiftshader_llvm_private_config") {
     }
   }
 
+  if (is_fuchsia) {
+    cflags += [ "-Wno-error" ]
+  }
+
   if (is_clang) {
     cflags += [
       "-msse2",

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

@@ -157,10 +157,10 @@
 #define HAVE_GETPAGESIZE 1
 
 /* Define to 1 if you have the `getrlimit' function. */
-#define HAVE_GETRLIMIT 1
+/* #undef HAVE_GETRLIMIT */
 
 /* Define to 1 if you have the `getrusage' function. */
-#define HAVE_GETRUSAGE 1
+/* #undef HAVE_GETRUSAGE */
 
 /* Define to 1 if you have the `gettimeofday' function. */
 #define HAVE_GETTIMEOFDAY 1
@@ -345,7 +345,7 @@
 #define HAVE_SETJMP_H 1
 
 /* Define to 1 if you have the `setrlimit' function. */
-#define HAVE_SETRLIMIT 1
+/* #undef HAVE_SETRLIMIT */
 
 /* Define if you have the shl_load function. */
 #undef HAVE_SHL_LOAD
@@ -431,7 +431,7 @@
 #define HAVE_SYS_PARAM_H 1
 
 /* Define to 1 if you have the <sys/resource.h> header file. */
-#define HAVE_SYS_RESOURCE_H 1
+/* #undef HAVE_SYS_RESOURCE_H */
 
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #define HAVE_SYS_STAT_H 1

third_party/llvm-subzero/build/Fuchsia/include/llvm/Config/abi-breaking.h

+/*===------- llvm/Config/abi-breaking.h - llvm configuration -------*- C -*-===*/
+/*                                                                            */
+/*                     The LLVM Compiler Infrastructure                       */
+/*                                                                            */
+/* This file is distributed under the University of Illinois Open Source      */
+/* License. See LICENSE.TXT for details.                                      */
+/*                                                                            */
+/*===----------------------------------------------------------------------===*/
+
+/* This file controls the C++ ABI break introduced in LLVM public header. */
+
+#ifndef LLVM_ABI_BREAKING_CHECKS_H
+#define LLVM_ABI_BREAKING_CHECKS_H
+
+/* Define to enable checks that alter the LLVM C++ ABI */
+#define LLVM_ENABLE_ABI_BREAKING_CHECKS 1
+
+/* Define to disable the link-time checking of mismatch for
+   LLVM_ENABLE_ABI_BREAKING_CHECKS */
+#define LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING 1
+#if !LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
+
+// ABI_BREAKING_CHECKS protection: provides link-time failure when clients build
+// mismatch with LLVM
+#if defined(_MSC_VER)
+// Use pragma with MSVC
+#define LLVM_XSTR(s) LLVM_STR(s)
+#define LLVM_STR(s) #s
+#pragma detect_mismatch("LLVM_ENABLE_ABI_BREAKING_CHECKS", LLVM_XSTR(LLVM_ENABLE_ABI_BREAKING_CHECKS))
+#undef LLVM_XSTR
+#undef LLVM_STR
+#elif defined(_WIN32) || defined(__CYGWIN__) // Win32 w/o #pragma detect_mismatch
+// FIXME: Implement checks without weak.
+#elif defined(__cplusplus)
+namespace llvm {
+#if LLVM_ENABLE_ABI_BREAKING_CHECKS
+extern int EnableABIBreakingChecks;
+__attribute__((weak, visibility ("hidden"))) int *VerifyEnableABIBreakingChecks = &EnableABIBreakingChecks;
+#else
+extern int DisableABIBreakingChecks;
+__attribute__((weak, visibility ("hidden"))) int *VerifyDisableABIBreakingChecks = &DisableABIBreakingChecks;
+#endif
+}
+#endif // _MSC_VER
+
+#endif // LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
+
+#endif

third_party/llvm-subzero/build/Fuchsia/include/llvm/Config/llvm-config.h

+/*===------- llvm/Config/llvm-config.h - llvm configuration -------*- 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 variables from the LLVM configuration so that they
+   can be in exported headers and won't override package specific directives.
+   This is a C header that can be included in the llvm-c headers. */
+
+#ifndef LLVM_CONFIG_H
+#define LLVM_CONFIG_H
+
+/* Define if we link Polly to the tools */
+/* #undef LINK_POLLY_INTO_TOOLS */
+
+/* Target triple LLVM will generate code for by default */
+#define LLVM_DEFAULT_TARGET_TRIPLE "x86_64-unknown-linux-gnu"
+
+/* Define if threads enabled */
+#define LLVM_ENABLE_THREADS 1
+
+/* Has gcc/MSVC atomic intrinsics */
+#define LLVM_HAS_ATOMICS 1
+
+/* Host triple LLVM will be executed on */
+#define LLVM_HOST_TRIPLE "x86_64-unknown-linux-gnu"
+
+/* LLVM architecture name for the native architecture, if available */
+#define LLVM_NATIVE_ARCH X86
+
+/* LLVM name for the native AsmParser init function, if available */
+#define LLVM_NATIVE_ASMPARSER LLVMInitializeX86AsmParser
+
+/* LLVM name for the native AsmPrinter init function, if available */
+#define LLVM_NATIVE_ASMPRINTER LLVMInitializeX86AsmPrinter
+
+/* LLVM name for the native Disassembler init function, if available */
+#define LLVM_NATIVE_DISASSEMBLER LLVMInitializeX86Disassembler
+
+/* 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 */
+
+/* Installation prefix directory */
+#define LLVM_PREFIX "/usr/local"
+
+/* Define if we have the Intel JIT API runtime support library */
+#define LLVM_USE_INTEL_JITEVENTS 0
+
+/* Define if we have the oprofile JIT-support library */
+#define LLVM_USE_OPROFILE 0
+
+/* Major version of the LLVM API */
+#define LLVM_VERSION_MAJOR 4
+
+/* Minor version of the LLVM API */
+#define LLVM_VERSION_MINOR 0
+
+/* Patch version of the LLVM API */
+#define LLVM_VERSION_PATCH 0
+
+/* LLVM version string */
+#define LLVM_VERSION_STRING "4.0.0svn"
+
+#endif

third_party/llvm-subzero/build/Fuchsia/include/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. */
+
+#ifndef SUPPORT_DATATYPES_H
+#define SUPPORT_DATATYPES_H
+
+#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
+
+#ifdef __cplusplus
+#include <cinttypes>
+#else
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+#endif
+
+#ifdef __cplusplus
+#include <cstdint>
+#else
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#else
+#error "Compiler must provide an implementation of stdint.h"
+#endif
+#endif
+
+#ifndef _MSC_VER
+
+#if !defined(UINT32_MAX)
+# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
+        "__STDC_LIMIT_MACROS before #including Support/DataTypes.h"
+#endif
+
+#if !defined(UINT32_C)
+# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
+        "__STDC_CONSTANT_MACROS before #including Support/DataTypes.h"
+#endif
+
+/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
+#include <sys/types.h>
+
+#ifdef _AIX
+// GCC is strict about defining large constants: they must have LL modifier.
+#undef INT64_MAX
+#undef INT64_MIN
+#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
+
+#else /* _MSC_VER */
+#ifdef __cplusplus
+#include <cstdlib>
+#include <cstddef>
+#else
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#include <sys/types.h>
+
+#if defined(_WIN64)
+typedef signed __int64 ssize_t;
+#else
+typedef signed int ssize_t;
+#endif /* _WIN64 */
+
+#ifndef HAVE_INTTYPES_H
+#define PRId64 "I64d"
+#define PRIi64 "I64i"
+#define PRIo64 "I64o"
+#define PRIu64 "I64u"
+#define PRIx64 "I64x"
+#define PRIX64 "I64X"
+
+#define PRId32 "d"
+#define PRIi32 "i"
+#define PRIo32 "o"
+#define PRIu32 "u"
+#define PRIx32 "x"
+#define PRIX32 "X"
+#endif /* HAVE_INTTYPES_H */
+
+#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
+
+#ifndef HUGE_VALF
+#define HUGE_VALF (float)HUGE_VAL
+#endif
+
+#endif /* SUPPORT_DATATYPES_H */