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Fixed merge

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This commit is contained in:
Christophe Riccio 2011-09-24 13:09:47 +01:00
commit 1eb86ac921
6 changed files with 794 additions and 776 deletions
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1378
glm/core/_swizzle.hpp
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File diff suppressed because it is too large Load Diff

1
glm/core/func_geometric.inl
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@ -132,6 +132,7 @@ namespace glm
(
genType const & x,
genType const & y
)
{
GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'dot' only accept floating-point inputs");

6
glm/core/type_vec2.hpp
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@ -114,6 +114,12 @@ namespace detail
tvec2(tref2<T> const & r);
template <int E0, int E1>
GLM_FUNC_DECL tvec2(const glm::detail::swizzle<2,T,tvec2<T>,E0,E1,-1,-2>& that)
{
*this = that();
}
//////////////////////////////////////
// Convertion constructors

8
glm/core/type_vec3.hpp
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@ -64,7 +64,7 @@ namespace detail
# if(GLM_COMPONENT == GLM_COMPONENT_ONLY_XYZW)
value_type x, y, z;
# elif(GLM_COMPONENT == GLM_COMPONENT_MS_EXT)
# elif(GLM_COMPONENT == GLM_COMPONENT_MS_EXT || GLM_LANG == GLM_LANG_CXX0X)
union
{
_GLM_SWIZZLE3_2_MEMBERS(value_type,glm::detail::tvec2<value_type>,x,y,z)
@ -116,6 +116,12 @@ namespace detail
GLM_FUNC_DECL tvec3(tref3<T> const & r);
template <int E0, int E1, int E2>
GLM_FUNC_DECL tvec3(const glm::detail::swizzle<3,T,tvec3<T>,E0,E1,E2,-1>& that)
{
*this = that();
}
//////////////////////////////////////
// Convertion scalar constructors

6
glm/core/type_vec4.hpp
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@ -118,6 +118,12 @@ namespace detail
GLM_FUNC_DECL tvec4(tref4<T> const & r);
template <int E0, int E1, int E2, int E3>
GLM_FUNC_DECL tvec4(const glm::detail::swizzle<4,T,tvec4<T>,E0,E1,E2,E3>& that)
{
*this = that();
}
//////////////////////////////////////
// Convertion scalar constructors

171
test/core/core_type_vec3.cpp
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@ -196,139 +196,49 @@ int test_vec3_swizzle_operators()
return Error;
}
#if 0
using namespace glm;
//
// Description : Array and textureless GLSL 2D/3D/4D simplex
// noise functions.
// Author : Ian McEwan, Ashima Arts.
// Maintainer : ijm
// Lastmod : 20110822 (ijm)
// License : Copyright (C) 2011 Ashima Arts. All rights reserved.
// Distributed under the MIT License. See LICENSE file.
// https://github.com/ashima/webgl-noise
//
vec4 mod289(vec4 x) {
return x - floor(x * (1.0 / 289.0)) * 289.0; }
float mod289(float x) {
return x - floor(x * (1.0 / 289.0)) * 289.0; }
vec4 permute(vec4 x) {
return mod289(((x*34.0)+1.0)*x);
}
float permute(float x) {
return mod289(((x*34.0)+1.0)*x);
}
vec4 taylorInvSqrt(vec4 r)
int test_vec3_swizzle_functions()
{
return 1.79284291400159 - 0.85373472095314 * r;
int Error = 0;
//
// NOTE: template functions cannot pick up the implicit conversion from
// a swizzle to the unswizzled type, therefore the operator() must be
// used. E.g.:
//
// glm::dot(u.xy, v.xy); <--- Compile error
// glm::dot(u.xy(), v.xy()); <--- Compiles correctly
//
float r;
// vec2
glm::vec2 a(1, 2);
glm::vec2 b(10, 20);
r = glm::dot(a, b); Error += (int(r) == 50) ? 0 : 1;
r = glm::dot(a.xy(), b.xy()); Error += (int(r) == 50) ? 0 : 1;
r = glm::dot(a.xy(), b.yy()); Error += (int(r) == 60) ? 0 : 1;
// vec3
glm::vec3 q, u, v;
u = glm::vec3(1, 2, 3);
v = glm::vec3(10, 20, 30);
r = glm::dot(u, v); Error += (int(r) == 140) ? 0 : 1;
r = glm::dot(u.xyz(), v.zyz()); Error += (int(r) == 160) ? 0 : 1;
r = glm::dot(u, v.zyx()); Error += (int(r) == 100) ? 0 : 1;
r = glm::dot(u.xyz(), v); Error += (int(r) == 140) ? 0 : 1;
r = glm::dot(u.xy(), v.xy()); Error += (int(r) == 50) ? 0 : 1;
// vec4
glm::vec4 s, t;
s = glm::vec4(1, 2, 3, 4);
t = glm::vec4(10, 20, 30, 40);
r = glm::dot(s, t); Error += (int(r) == 300) ? 0 : 1;
r = glm::dot(s.xyzw(), t.xyzw()); Error += (int(r) == 300) ? 0 : 1;
r = glm::dot(s.xyz(), t.xyz()); Error += (int(r) == 140) ? 0 : 1;
return Error;
}
float taylorInvSqrt(float r)
{
return 1.79284291400159 - 0.85373472095314 * r;
}
vec4 grad4(float j, vec4 ip)
{
const vec4 ones = vec4(1.0, 1.0, 1.0, -1.0);
vec4 p,s;
p.xyz = floor( fract (vec3(j) * ip.xyz) * 7.0) * ip.z - 1.0;
p.w = 1.5 - dot(abs(p.xyz), ones.xyz);
s = vec4(lessThan(p, vec4(0.0)));
p.xyz = p.xyz + (s.xyz*2.0 - 1.0) * s.www;
return p;
}
float snoise(vec4 v)
{
const vec4 C = vec4( 0.138196601125011, // (5 - sqrt(5))/20 G4
0.276393202250021, // 2 * G4
0.414589803375032, // 3 * G4
-0.447213595499958); // -1 + 4 * G4
// (sqrt(5) - 1)/4 = F4, used once below
#define F4 0.309016994374947451
// First corner
vec4 i = floor(v + dot(v, vec4(F4)) );
vec4 x0 = v - i + dot(i, C.xxxx);
// Other corners
// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)
vec4 i0;
vec3 isX = step( x0.yzw, x0.xxx );
vec3 isYZ = step( x0.zww, x0.yyz );
// i0.x = dot( isX, vec3( 1.0 ) );
i0.x = isX.x + isX.y + isX.z;
i0.yzw = 1.0 - isX;
// i0.y += dot( isYZ.xy, vec2( 1.0 ) );
i0.y += isYZ.x + isYZ.y;
i0.zw += 1.0 - isYZ.xy;
i0.z += isYZ.z;
i0.w += 1.0 - isYZ.z;
// i0 now contains the unique values 0,1,2,3 in each channel
vec4 i3 = clamp( i0, 0.0, 1.0 );
vec4 i2 = clamp( i0-1.0, 0.0, 1.0 );
vec4 i1 = clamp( i0-2.0, 0.0, 1.0 );
// x0 = x0 - 0.0 + 0.0 * C.xxxx
// x1 = x0 - i1 + 1.0 * C.xxxx
// x2 = x0 - i2 + 2.0 * C.xxxx
// x3 = x0 - i3 + 3.0 * C.xxxx
// x4 = x0 - 1.0 + 4.0 * C.xxxx
vec4 x1 = x0 - i1 + C.xxxx;
vec4 x2 = x0 - i2 + C.yyyy;
vec4 x3 = x0 - i3 + C.zzzz;
vec4 x4 = x0 + C.wwww;
// Permutations
i = mod289(i);
float j0 = permute( permute( permute( permute(i.w) + i.z) + i.y) + i.x);
vec4 j1 = permute( permute( permute( permute (
i.w + vec4(i1.w, i2.w, i3.w, 1.0 ))
+ i.z + vec4(i1.z, i2.z, i3.z, 1.0 ))
+ i.y + vec4(i1.y, i2.y, i3.y, 1.0 ))
+ i.x + vec4(i1.x, i2.x, i3.x, 1.0 ));
// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope
// 7*7*6 = 294, which is close to the ring size 17*17 = 289.
vec4 ip = vec4(1.0/294.0, 1.0/49.0, 1.0/7.0, 0.0) ;
vec4 p0 = grad4(j0, ip);
vec4 p1 = grad4(j1.x, ip);
vec4 p2 = grad4(j1.y, ip);
vec4 p3 = grad4(j1.z, ip);
vec4 p4 = grad4(j1.w, ip);
// Normalise gradients
vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
p0 *= norm.x;
p1 *= norm.y;
p2 *= norm.z;
p3 *= norm.w;
p4 *= taylorInvSqrt(dot(p4,p4));
// Mix contributions from the five corners
vec3 m0 = max(0.6 - vec3(dot(x0,x0), dot(x1,x1), dot(x2,x2)), 0.0);
vec2 m1 = max(0.6 - vec2(dot(x3,x3), dot(x4,x4) ), 0.0);
m0 = m0 * m0;
m1 = m1 * m1;
return 49.0 * ( dot(m0*m0, vec3( dot( p0, x0 ), dot( p1, x1 ), dot( p2, x2 )))
+ dot(m1*m1, vec2( dot( p3, x3 ), dot( p4, x4 ) ) ) ) ;
}
#endif
int main()
{
int Error = 0;
@ -339,6 +249,7 @@ int main()
Error += test_vec3_swizzle3_3();
Error += test_vec3_swizzle_half();
Error += test_vec3_swizzle_operators();
Error += test_vec3_swizzle_functions();
return Error;
}