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187 lines
3.4 KiB
187 lines
3.4 KiB
https://github.com/g-truc/glm/commit/06ce42e72324b32b1f4c37c646e99950c2bd5f6b.patch
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https://bugs.gentoo.org/673972
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Not yet applied upstream because <endian.h> is not available on non-Linux platforms.
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From 06ce42e72324b32b1f4c37c646e99950c2bd5f6b Mon Sep 17 00:00:00 2001
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From: Max Rees <maxcrees@me.com>
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Date: Sun, 15 Mar 2020 15:13:27 -0400
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Subject: [PATCH] Fix test suite on big endian platforms
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---
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glm/gtc/packing.inl | 55 ++++++++++++++++++++++++++++++++++++++++
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test/gtc/gtc_packing.cpp | 3 ++-
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2 files changed, 57 insertions(+), 1 deletion(-)
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diff --git a/glm/gtc/packing.inl b/glm/gtc/packing.inl
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index 8c906e16c..b1c99a507 100644
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--- a/glm/gtc/packing.inl
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+++ b/glm/gtc/packing.inl
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@@ -9,6 +9,9 @@
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#include "../detail/type_half.hpp"
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#include <cstring>
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#include <limits>
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+extern "C" {
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+#include <endian.h>
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+}
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namespace glm{
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namespace detail
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@@ -183,9 +186,15 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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uint x : 3;
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uint y : 3;
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uint z : 2;
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+#else
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+ uint z : 2;
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+ uint y : 3;
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+ uint x : 3;
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+#endif
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} data;
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uint8 pack;
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};
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@@ -194,8 +203,13 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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uint x : 4;
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uint y : 4;
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+#else
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+ uint y : 4;
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+ uint x : 4;
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+#endif
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} data;
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uint8 pack;
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};
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@@ -204,10 +218,17 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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uint x : 4;
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uint y : 4;
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uint z : 4;
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uint w : 4;
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+#else
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+ uint w : 4;
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+ uint z : 4;
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+ uint y : 4;
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+ uint x : 4;
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+#endif
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} data;
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uint16 pack;
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};
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@@ -216,9 +237,15 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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uint x : 5;
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uint y : 6;
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uint z : 5;
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+#else
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+ uint z : 5;
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+ uint y : 6;
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+ uint x : 5;
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+#endif
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} data;
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uint16 pack;
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};
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@@ -227,10 +254,17 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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uint x : 5;
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uint y : 5;
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uint z : 5;
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uint w : 1;
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+#else
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+ uint w : 1;
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+ uint z : 5;
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+ uint y : 5;
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+ uint x : 5;
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+#endif
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} data;
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uint16 pack;
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};
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@@ -239,10 +273,17 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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uint x : 10;
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uint y : 10;
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uint z : 10;
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uint w : 2;
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+#else
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+ uint w : 2;
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+ uint z : 10;
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+ uint y : 10;
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+ uint x : 10;
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+#endif
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} data;
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uint32 pack;
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};
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@@ -251,10 +292,17 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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int x : 10;
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int y : 10;
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int z : 10;
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int w : 2;
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+#else
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+ int w : 2;
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+ int z : 10;
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+ int y : 10;
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+ int x : 10;
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+#endif
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} data;
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uint32 pack;
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};
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@@ -263,10 +311,17 @@ namespace detail
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{
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struct
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{
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+#if BYTE_ORDER == LITTLE_ENDIAN
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uint x : 9;
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uint y : 9;
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uint z : 9;
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uint w : 5;
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+#else
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+ uint w : 5;
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+ uint z : 9;
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+ uint y : 9;
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+ uint x : 9;
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+#endif
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} data;
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uint32 pack;
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};
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diff --git a/test/gtc/gtc_packing.cpp b/test/gtc/gtc_packing.cpp
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index df5b3bb1a..fbaaa5bcc 100644
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--- a/test/gtc/gtc_packing.cpp
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+++ b/test/gtc/gtc_packing.cpp
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@@ -4,6 +4,7 @@
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#include <glm/ext/vector_relational.hpp>
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#include <cstdio>
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#include <vector>
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+#include <arpa/inet.h>
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void print_bits(float const& s)
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{
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@@ -156,7 +157,7 @@ int test_U3x10_1x2()
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glm::u8vec4 const v0(0xff, 0x77, 0x0, 0x33);
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glm::uint32 const p0 = *reinterpret_cast<glm::uint32 const*>(&v0[0]);
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- glm::uint32 const r0 = 0x330077ff;
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+ glm::uint32 const r0 = htonl(0xff770033);
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Error += p0 == r0 ? 0 : 1;
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