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Merge 06ce42e723 into 2d4c4b4dd3

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Max Rees 2025-02-21 23:47:55 +08:00 • committed by GitHub
commit 07967a0049
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2 changed files with 57 additions and 1 deletions
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55
glm/gtc/packing.inl
View file

@ -10,6 +10,9 @@
#include "type_ptr.hpp"
#include <cstring>
#include <limits>
extern "C" {
#include <endian.h>
}
namespace glm{
namespace detail
@ -191,9 +194,15 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint x : 3;
uint y : 3;
uint z : 2;
#else
uint z : 2;
uint y : 3;
uint x : 3;
#endif
} data;
uint8 pack;
};
@ -202,8 +211,13 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint x : 4;
uint y : 4;
#else
uint y : 4;
uint x : 4;
#endif
} data;
uint8 pack;
};
@ -212,10 +226,17 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint x : 4;
uint y : 4;
uint z : 4;
uint w : 4;
#else
uint w : 4;
uint z : 4;
uint y : 4;
uint x : 4;
#endif
} data;
uint16 pack;
};
@ -224,9 +245,15 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint x : 5;
uint y : 6;
uint z : 5;
#else
uint z : 5;
uint y : 6;
uint x : 5;
#endif
} data;
uint16 pack;
};
@ -235,10 +262,17 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint x : 5;
uint y : 5;
uint z : 5;
uint w : 1;
#else
uint w : 1;
uint z : 5;
uint y : 5;
uint x : 5;
#endif
} data;
uint16 pack;
};
@ -253,10 +287,17 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint x : 10;
uint y : 10;
uint z : 10;
uint w : 2;
#else
uint w : 2;
uint z : 10;
uint y : 10;
uint x : 10;
#endif
} data;
uint32 pack;
};
@ -265,10 +306,17 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
int x : 10;
int y : 10;
int z : 10;
int w : 2;
#else
int w : 2;
int z : 10;
int y : 10;
int x : 10;
#endif
} data;
uint32 pack;
};
@ -277,10 +325,17 @@ namespace detail
{
struct Data
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint x : 9;
uint y : 9;
uint z : 9;
uint w : 5;
#else
uint w : 5;
uint z : 9;
uint y : 9;
uint x : 9;
#endif
} data;
uint32 pack;
};

3
test/gtc/gtc_packing.cpp
View file

@ -4,6 +4,7 @@
#include <glm/ext/vector_relational.hpp>
#include <cstdio>
#include <vector>
#include <arpa/inet.h>
/*
static void print_bits(float const& s)
@ -157,7 +158,7 @@ static int test_U3x10_1x2()
glm::u8vec4 const v0(0xff, 0x77, 0x0, 0x33);
glm::uint32 const p0 = *reinterpret_cast<glm::uint32 const*>(&v0[0]);
glm::uint32 const r0 = 0x330077ff;
glm::uint32 const r0 = htonl(0xff770033);
Error += p0 == r0 ? 0 : 1;