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diff -x .git -ur usd.orig/cmake/defaults/Packages.cmake external_usd/cmake/defaults/Packages.cmake
--- usd.orig/cmake/defaults/Packages.cmake 2019-10-24 22:39:53.000000000 +0200
+++ external_usd/cmake/defaults/Packages.cmake 2019-11-28 13:00:33.185957483 +0100
@@ -64,7 +64,7 @@
endif()
# --TBB
-find_package(TBB REQUIRED COMPONENTS tbb)
+find_package(TBB)
add_definitions(${TBB_DEFINITIONS})
# --math
diff -Naur external_usd_base/cmake/macros/Public.cmake external_usd/cmake/macros/Public.cmake
--- external_usd_base/cmake/macros/Public.cmake 2019-10-24 14:39:53 -0600
+++ external_usd/cmake/macros/Public.cmake 2020-01-11 13:33:29 -0700
@@ -996,6 +996,12 @@
foreach(lib ${PXR_OBJECT_LIBS})
string(TOUPPER ${lib} uppercaseName)
list(APPEND exports "${uppercaseName}_EXPORTS=1")
+ # When building for blender, we do NOT want to export all symbols on windows.
+ # This is a dirty hack, but USD makes it impossible to do the right thing
+ # with the default options exposed.
+ if (WIN32)
+ list(APPEND exports "PXR_STATIC=1")
+ endif()
endforeach()
foreach(lib ${PXR_OBJECT_LIBS})
set(objects "${objects};\$<TARGET_OBJECTS:${lib}>")
diff -ru USD-20.11/pxr/base/tf/pxrLZ4/lz4.cpp external_usd/pxr/base/tf/pxrLZ4/lz4.cpp
--- USD-20.11/pxr/base/tf/pxrLZ4/lz4.cpp 2020-10-14 19:25:19.000000000 +0100
+++ external_usd/pxr/base/tf/pxrLZ4/lz4.cpp 2021-02-09 09:28:51.496190085 +0000
@@ -614,6 +614,15 @@
/*-************************************
* Internal Definitions used in Tests
**************************************/
+
+/*******************************************************************
+ * Disabled in Blender. The BLOSC library also exposes these
+ * functions, and this causes 'duplicate symbol' linker errors.
+ *
+ * This problem has been reported upstream at
+ * https://github.com/PixarAnimationStudios/USD/issues/1447
+ *
+ *******************************************************************
#if defined (__cplusplus)
extern "C" {
#endif
@@ -627,6 +636,7 @@
#if defined (__cplusplus)
}
#endif
+********************************************************************/
/*-******************************
* Compression functions
From 442d087962f762deeb8b6e49a0955753fcf9aeb9 Mon Sep 17 00:00:00 2001
From: Tsahi Zidenberg <tsahee@amazon.com>
Date: Sun, 15 Nov 2020 15:18:24 +0000
Subject: [PATCH 1/2] stackTrace: support aarch64/linux
stacktrace calls syscall directly via assembler. Create compatible
aarch64 code.
---
pxr/base/arch/stackTrace.cpp | 30 ++++++++++++++++++++++++------
1 file changed, 24 insertions(+), 6 deletions(-)
diff --git a/pxr/base/arch/stackTrace.cpp b/pxr/base/arch/stackTrace.cpp
index dcc1dfd46..c11aabeb1 100644
--- a/pxr/base/arch/stackTrace.cpp
+++ b/pxr/base/arch/stackTrace.cpp
@@ -583,7 +583,6 @@ nonLockingLinux__execve (const char *file,
char *const argv[],
char *const envp[])
{
-#if defined(ARCH_BITS_64)
/*
* We make a direct system call here, because we can't find an
* execve which corresponds with the non-locking fork we call
@@ -594,7 +593,27 @@ nonLockingLinux__execve (const char *file,
* hangs in a threaded app. (We use the non-locking fork to get
* around problems with forking when we have had memory
* corruption.) whew.
- *
+ */
+
+ unsigned long result;
+
+#if defined (__aarch64__)
+ {
+ register long __file_result asm ("x0") = (long)file;
+ register char* const* __argv asm ("x1") = argv;
+ register char* const* __envp asm ("x2") = envp;
+ register long __num_execve asm ("x8") = 221;
+ __asm__ __volatile__ (
+ "svc 0"
+ : "=r" (__file_result)
+ : "r"(__num_execve), "r" (__file_result), "r" (__argv), "r" (__envp)
+ : "memory"
+ );
+ result = __file_result;
+ }
+#elif defined(ARCH_CPU_INTEL) && defined(ARCH_BITS_64)
+
+ /*
* %rdi, %rsi, %rdx, %rcx, %r8, %r9 are args 0-5
* syscall clobbers %rcx and %r11
*
@@ -603,7 +622,6 @@ nonLockingLinux__execve (const char *file,
* constraints to gcc.
*/
- unsigned long result;
__asm__ __volatile__ (
"mov %0, %%rdi \n\t"
"mov %%rcx, %%rsi \n\t"
@@ -614,6 +632,9 @@ nonLockingLinux__execve (const char *file,
: "0" (file), "c" (argv), "d" (envp)
: "memory", "cc", "r11"
);
+#else
+#error Unknown architecture
+#endif
if (result >= 0xfffffffffffff000) {
errno = -result;
@@ -621,9 +642,6 @@ nonLockingLinux__execve (const char *file,
}
return result;
-#else
-#error Unknown architecture
-#endif
}
#endif
From a1dffe02519bb3c6ccbbe8c6c58304da5db98995 Mon Sep 17 00:00:00 2001
From: Tsahi Zidenberg <tsahee@amazon.com>
Date: Sun, 15 Nov 2020 15:22:52 +0000
Subject: [PATCH 2/2] timing: support aarch64/linux
The aarch64 arch-timer is directly accessible to userspace via two
registers:
CNTVCT_EL0 - holds the current counter value
CNTFRQ_EL0 - holds the counter frequency (in Hz)
---
pxr/base/arch/timing.cpp | 6 ++++++
pxr/base/arch/timing.h | 6 +++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/pxr/base/arch/timing.cpp b/pxr/base/arch/timing.cpp
index 27ad58fed..9022950c1 100644
--- a/pxr/base/arch/timing.cpp
+++ b/pxr/base/arch/timing.cpp
@@ -59,6 +59,11 @@ ARCH_HIDDEN
void
Arch_InitTickTimer()
{
+#ifdef __aarch64__
+ uint64_t counter_hz;
+ __asm __volatile("mrs %0, CNTFRQ_EL0" : "=&r" (counter_hz));
+ Arch_NanosecondsPerTick = double(1e9) / double(counter_hz);
+#else
// NOTE: Normally ifstream would be cleaner, but it causes crashes when
// used in conjunction with DSOs and the Intel Compiler.
FILE *in;
@@ -135,6 +140,7 @@ Arch_InitTickTimer()
}
Arch_NanosecondsPerTick = double(1e9) / double(cpuHz);
+#endif
}
#elif defined(ARCH_OS_WINDOWS)
diff --git a/pxr/base/arch/timing.h b/pxr/base/arch/timing.h
index 67ec0d15f..6dc3e85a0 100644
--- a/pxr/base/arch/timing.h
+++ b/pxr/base/arch/timing.h
@@ -36,7 +36,7 @@
/// \addtogroup group_arch_SystemFunctions
///@{
-#if defined(ARCH_OS_LINUX)
+#if defined(ARCH_OS_LINUX) && defined(ARCH_CPU_INTEL)
#include <x86intrin.h>
#elif defined(ARCH_OS_DARWIN)
#include <mach/mach_time.h>
@@ -69,6 +69,10 @@ ArchGetTickTime()
#elif defined(ARCH_CPU_INTEL)
// On Intel we'll use the rdtsc instruction.
return __rdtsc();
+#elif defined (__aarch64__)
+ uint64_t result;
+ __asm __volatile("mrs %0, CNTVCT_EL0" : "=&r" (result));
+ return result;
#else
#error Unknown architecture.
#endif
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