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			879 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			879 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
|   | #include <glm/packing.hpp>
 | ||
|  | #include <glm/gtc/packing.hpp>
 | ||
|  | #include <glm/gtc/epsilon.hpp>
 | ||
|  | #include <glm/ext/vector_relational.hpp>
 | ||
|  | #include <cstdio>
 | ||
|  | #include <vector>
 | ||
|  | 
 | ||
|  | void print_bits(float const& s) | ||
|  | { | ||
|  | 	union | ||
|  | 	{ | ||
|  | 		float f; | ||
|  | 		unsigned int i; | ||
|  | 	} uif; | ||
|  | 
 | ||
|  | 	uif.f = s; | ||
|  | 
 | ||
|  | 	std::printf("f32: "); | ||
|  | 	for(std::size_t j = sizeof(s) * 8; j > 0; --j) | ||
|  | 	{ | ||
|  | 		if(j == 23 || j == 31) | ||
|  | 			std::printf(" "); | ||
|  | 		std::printf("%d", (uif.i & (1 << (j - 1))) ? 1 : 0); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | void print_10bits(glm::uint const& s) | ||
|  | { | ||
|  | 	std::printf("10b: "); | ||
|  | 	for(std::size_t j = 10; j > 0; --j) | ||
|  | 	{ | ||
|  | 		if(j == 5) | ||
|  | 			std::printf(" "); | ||
|  | 		std::printf("%d", (s & (1 << (j - 1))) ? 1 : 0); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | void print_11bits(glm::uint const& s) | ||
|  | { | ||
|  | 	std::printf("11b: "); | ||
|  | 	for(std::size_t j = 11; j > 0; --j) | ||
|  | 	{ | ||
|  | 		if(j == 6) | ||
|  | 			std::printf(" "); | ||
|  | 		std::printf("%d", (s & (1 << (j - 1))) ? 1 : 0); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | void print_value(float const& s) | ||
|  | { | ||
|  | 	std::printf("%2.5f, ", static_cast<double>(s)); | ||
|  | 	print_bits(s); | ||
|  | 	std::printf(", "); | ||
|  | //	print_11bits(detail::floatTo11bit(s));
 | ||
|  | //	std::printf(", ");
 | ||
|  | //	print_10bits(detail::floatTo10bit(s));
 | ||
|  | 	std::printf("\n"); | ||
|  | } | ||
|  | 
 | ||
|  | int test_Half1x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<float> Tests; | ||
|  | 	Tests.push_back(0.0f); | ||
|  | 	Tests.push_back(1.0f); | ||
|  | 	Tests.push_back(-1.0f); | ||
|  | 	Tests.push_back(2.0f); | ||
|  | 	Tests.push_back(-2.0f); | ||
|  | 	Tests.push_back(1.9f); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint16 p0 = glm::packHalf1x16(Tests[i]); | ||
|  | 		float v0 = glm::unpackHalf1x16(p0); | ||
|  | 		glm::uint16 p1 = glm::packHalf1x16(v0); | ||
|  | 		float v1 = glm::unpackHalf1x16(p1); | ||
|  | 		Error += glm::epsilonEqual(v0, v1, glm::epsilon<float>()) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_Half4x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec4> Tests; | ||
|  | 	Tests.push_back(glm::vec4(1.0f)); | ||
|  | 	Tests.push_back(glm::vec4(0.0f)); | ||
|  | 	Tests.push_back(glm::vec4(2.0f)); | ||
|  | 	Tests.push_back(glm::vec4(0.1f)); | ||
|  | 	Tests.push_back(glm::vec4(0.5f)); | ||
|  | 	Tests.push_back(glm::vec4(-0.9f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint64 p0 = glm::packHalf4x16(Tests[i]); | ||
|  | 		glm::vec4 v0 = glm::unpackHalf4x16(p0); | ||
|  | 		glm::uint64 p1 = glm::packHalf4x16(v0); | ||
|  | 		glm::vec4 v1 = glm::unpackHalf4x16(p1); | ||
|  | 		glm::u16vec4 p2 = glm::packHalf(v0); | ||
|  | 		glm::vec4 v2 = glm::unpackHalf(p2); | ||
|  | 
 | ||
|  | 		Error += glm::all(glm::equal(v0, v1, glm::epsilon<float>())) ? 0 : 1; | ||
|  | 		Error += glm::all(glm::equal(v0, v2, glm::epsilon<float>())) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_I3x10_1x2() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::ivec4> Tests; | ||
|  | 	Tests.push_back(glm::ivec4(0)); | ||
|  | 	Tests.push_back(glm::ivec4(1)); | ||
|  | 	Tests.push_back(glm::ivec4(-1)); | ||
|  | 	Tests.push_back(glm::ivec4(2)); | ||
|  | 	Tests.push_back(glm::ivec4(-2)); | ||
|  | 	Tests.push_back(glm::ivec4(3)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint32 p0 = glm::packI3x10_1x2(Tests[i]); | ||
|  | 		glm::ivec4 v0 = glm::unpackI3x10_1x2(p0); | ||
|  | 		glm::uint32 p1 = glm::packI3x10_1x2(v0); | ||
|  | 		glm::ivec4 v1 = glm::unpackI3x10_1x2(p1); | ||
|  | 		Error += glm::all(glm::equal(v0, v1)) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_U3x10_1x2() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::uvec4> Tests; | ||
|  | 	Tests.push_back(glm::uvec4(0)); | ||
|  | 	Tests.push_back(glm::uvec4(1)); | ||
|  | 	Tests.push_back(glm::uvec4(2)); | ||
|  | 	Tests.push_back(glm::uvec4(3)); | ||
|  | 	Tests.push_back(glm::uvec4(4)); | ||
|  | 	Tests.push_back(glm::uvec4(5)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint32 p0 = glm::packU3x10_1x2(Tests[i]); | ||
|  | 		glm::uvec4 v0 = glm::unpackU3x10_1x2(p0); | ||
|  | 		glm::uint32 p1 = glm::packU3x10_1x2(v0); | ||
|  | 		glm::uvec4 v1 = glm::unpackU3x10_1x2(p1); | ||
|  | 		Error += glm::all(glm::equal(v0, v1)) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	glm::u8vec4 const v0(0xff, 0x77, 0x0, 0x33); | ||
|  | 	glm::uint32 const p0 = *reinterpret_cast<glm::uint32 const*>(&v0[0]); | ||
|  | 	glm::uint32 const r0 = 0x330077ff; | ||
|  | 
 | ||
|  | 	Error += p0 == r0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::uvec4 const v1(0xff, 0x77, 0x0, 0x33); | ||
|  | 	glm::uint32 const p1 = glm::packU3x10_1x2(v1); | ||
|  | 	glm::uint32 const r1 = 0xc001dcff; | ||
|  | 
 | ||
|  | 	Error += p1 == r1 ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_Snorm3x10_1x2() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec4> Tests; | ||
|  | 	Tests.push_back(glm::vec4(1.0f)); | ||
|  | 	Tests.push_back(glm::vec4(0.0f)); | ||
|  | 	Tests.push_back(glm::vec4(2.0f)); | ||
|  | 	Tests.push_back(glm::vec4(0.1f)); | ||
|  | 	Tests.push_back(glm::vec4(0.5f)); | ||
|  | 	Tests.push_back(glm::vec4(0.9f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint32 p0 = glm::packSnorm3x10_1x2(Tests[i]); | ||
|  | 		glm::vec4 v0 = glm::unpackSnorm3x10_1x2(p0); | ||
|  | 		glm::uint32 p1 = glm::packSnorm3x10_1x2(v0); | ||
|  | 		glm::vec4 v1 = glm::unpackSnorm3x10_1x2(p1); | ||
|  | 
 | ||
|  | 		Error += glm::all(glm::epsilonEqual(v0, v1, 0.01f)) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_Unorm3x10_1x2() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec4> Tests; | ||
|  | 	Tests.push_back(glm::vec4(1.0f)); | ||
|  | 	Tests.push_back(glm::vec4(0.0f)); | ||
|  | 	Tests.push_back(glm::vec4(2.0f)); | ||
|  | 	Tests.push_back(glm::vec4(0.1f)); | ||
|  | 	Tests.push_back(glm::vec4(0.5f)); | ||
|  | 	Tests.push_back(glm::vec4(0.9f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint32 p0 = glm::packUnorm3x10_1x2(Tests[i]); | ||
|  | 		glm::vec4 v0 = glm::unpackUnorm3x10_1x2(p0); | ||
|  | 		glm::uint32 p1 = glm::packUnorm3x10_1x2(v0); | ||
|  | 		glm::vec4 v1 = glm::unpackUnorm3x10_1x2(p1); | ||
|  | 
 | ||
|  | 		Error += glm::all(glm::epsilonEqual(v0, v1, 0.001f)) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_F2x11_1x10() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec3> Tests; | ||
|  | 	Tests.push_back(glm::vec3(1.0f)); | ||
|  | 	Tests.push_back(glm::vec3(0.0f)); | ||
|  | 	Tests.push_back(glm::vec3(2.0f)); | ||
|  | 	Tests.push_back(glm::vec3(0.1f)); | ||
|  | 	Tests.push_back(glm::vec3(0.5f)); | ||
|  | 	Tests.push_back(glm::vec3(0.9f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint32 p0 = glm::packF2x11_1x10(Tests[i]); | ||
|  | 		glm::vec3 v0 = glm::unpackF2x11_1x10(p0); | ||
|  | 		glm::uint32 p1 = glm::packF2x11_1x10(v0); | ||
|  | 		glm::vec3 v1 = glm::unpackF2x11_1x10(p1); | ||
|  | 		Error += glm::all(glm::equal(v0, v1, glm::epsilon<float>())) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_F3x9_E1x5() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec3> Tests; | ||
|  | 	Tests.push_back(glm::vec3(1.0f)); | ||
|  | 	Tests.push_back(glm::vec3(0.0f)); | ||
|  | 	Tests.push_back(glm::vec3(2.0f)); | ||
|  | 	Tests.push_back(glm::vec3(0.1f)); | ||
|  | 	Tests.push_back(glm::vec3(0.5f)); | ||
|  | 	Tests.push_back(glm::vec3(0.9f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < Tests.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::uint32 p0 = glm::packF3x9_E1x5(Tests[i]); | ||
|  | 		glm::vec3 v0 = glm::unpackF3x9_E1x5(p0); | ||
|  | 		glm::uint32 p1 = glm::packF3x9_E1x5(v0); | ||
|  | 		glm::vec3 v1 = glm::unpackF3x9_E1x5(p1); | ||
|  | 		Error += glm::all(glm::equal(v0, v1, glm::epsilon<float>())) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_RGBM() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < 1024; ++i) | ||
|  | 	{ | ||
|  | 		glm::vec3 const Color(static_cast<float>(i)); | ||
|  | 		glm::vec4 const RGBM = glm::packRGBM(Color); | ||
|  | 		glm::vec3 const Result= glm::unpackRGBM(RGBM); | ||
|  | 
 | ||
|  | 		Error += glm::all(glm::equal(Color, Result, 0.01f)) ? 0 : 1; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm1x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec1> A; | ||
|  | 	A.push_back(glm::vec1(1.0f)); | ||
|  | 	A.push_back(glm::vec1(0.5f)); | ||
|  | 	A.push_back(glm::vec1(0.1f)); | ||
|  | 	A.push_back(glm::vec1(0.0f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec1 B(A[i]); | ||
|  | 		glm::uint16 C = glm::packUnorm1x16(B.x); | ||
|  | 		glm::vec1 D(glm::unpackUnorm1x16(C)); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 65535.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packSnorm1x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec1> A; | ||
|  | 	A.push_back(glm::vec1( 1.0f)); | ||
|  | 	A.push_back(glm::vec1( 0.0f)); | ||
|  | 	A.push_back(glm::vec1(-0.5f)); | ||
|  | 	A.push_back(glm::vec1(-0.1f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec1 B(A[i]); | ||
|  | 		glm::uint16 C = glm::packSnorm1x16(B.x); | ||
|  | 		glm::vec1 D(glm::unpackSnorm1x16(C)); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 32767.0f * 2.0f)) ? 0 : 1; | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm2x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec2> A; | ||
|  | 	A.push_back(glm::vec2(1.0f, 0.0f)); | ||
|  | 	A.push_back(glm::vec2(0.5f, 0.7f)); | ||
|  | 	A.push_back(glm::vec2(0.1f, 0.2f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec2 B(A[i]); | ||
|  | 		glm::uint32 C = glm::packUnorm2x16(B); | ||
|  | 		glm::vec2 D = glm::unpackUnorm2x16(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 65535.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packSnorm2x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec2> A; | ||
|  | 	A.push_back(glm::vec2( 1.0f, 0.0f)); | ||
|  | 	A.push_back(glm::vec2(-0.5f,-0.7f)); | ||
|  | 	A.push_back(glm::vec2(-0.1f, 0.1f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec2 B(A[i]); | ||
|  | 		glm::uint32 C = glm::packSnorm2x16(B); | ||
|  | 		glm::vec2 D = glm::unpackSnorm2x16(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 32767.0f * 2.0f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm4x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec4> A; | ||
|  | 	A.push_back(glm::vec4(1.0f)); | ||
|  | 	A.push_back(glm::vec4(0.5f)); | ||
|  | 	A.push_back(glm::vec4(0.1f)); | ||
|  | 	A.push_back(glm::vec4(0.0f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec4 B(A[i]); | ||
|  | 		glm::uint64 C = glm::packUnorm4x16(B); | ||
|  | 		glm::vec4 D(glm::unpackUnorm4x16(C)); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 65535.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packSnorm4x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec4> A; | ||
|  | 	A.push_back(glm::vec4( 1.0f, 0.0f, -0.5f, 0.5f)); | ||
|  | 	A.push_back(glm::vec4(-0.3f,-0.7f,  0.3f, 0.7f)); | ||
|  | 	A.push_back(glm::vec4(-0.1f, 0.1f, -0.2f, 0.2f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec4 B(A[i]); | ||
|  | 		glm::uint64 C = glm::packSnorm4x16(B); | ||
|  | 		glm::vec4 D(glm::unpackSnorm4x16(C)); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 32767.0f * 2.0f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm1x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 	 | ||
|  | 	std::vector<glm::vec1> A; | ||
|  | 	A.push_back(glm::vec1(1.0f)); | ||
|  | 	A.push_back(glm::vec1(0.5f)); | ||
|  | 	A.push_back(glm::vec1(0.0f)); | ||
|  | 	 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec1 B(A[i]); | ||
|  | 		glm::uint8 C = glm::packUnorm1x8(B.x); | ||
|  | 		glm::vec1 D(glm::unpackUnorm1x8(C)); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 255.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packSnorm1x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 	 | ||
|  | 	std::vector<glm::vec1> A; | ||
|  | 	A.push_back(glm::vec1( 1.0f)); | ||
|  | 	A.push_back(glm::vec1(-0.7f)); | ||
|  | 	A.push_back(glm::vec1(-1.0f)); | ||
|  | 	 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec1 B(A[i]); | ||
|  | 		glm::uint8 C = glm::packSnorm1x8(B.x); | ||
|  | 		glm::vec1 D(glm::unpackSnorm1x8(C)); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 127.f)) ? 0 : 1; | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm2x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 	 | ||
|  | 	std::vector<glm::vec2> A; | ||
|  | 	A.push_back(glm::vec2(1.0f, 0.7f)); | ||
|  | 	A.push_back(glm::vec2(0.5f, 0.1f)); | ||
|  | 	 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec2 B(A[i]); | ||
|  | 		glm::uint16 C = glm::packUnorm2x8(B); | ||
|  | 		glm::vec2 D = glm::unpackUnorm2x8(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 255.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packSnorm2x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 	 | ||
|  | 	std::vector<glm::vec2> A; | ||
|  | 	A.push_back(glm::vec2( 1.0f, 0.0f)); | ||
|  | 	A.push_back(glm::vec2(-0.7f,-0.1f)); | ||
|  | 	 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec2 B(A[i]); | ||
|  | 		glm::uint16 C = glm::packSnorm2x8(B); | ||
|  | 		glm::vec2 D = glm::unpackSnorm2x8(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 127.f)) ? 0 : 1; | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm4x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 	 | ||
|  | 	std::vector<glm::vec4> A; | ||
|  | 	A.push_back(glm::vec4(1.0f, 0.7f, 0.3f, 0.0f)); | ||
|  | 	A.push_back(glm::vec4(0.5f, 0.1f, 0.2f, 0.3f)); | ||
|  | 	 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec4 B(A[i]); | ||
|  | 		glm::uint32 C = glm::packUnorm4x8(B); | ||
|  | 		glm::vec4 D = glm::unpackUnorm4x8(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 255.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packSnorm4x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 	 | ||
|  | 	std::vector<glm::vec4> A; | ||
|  | 	A.push_back(glm::vec4( 1.0f, 0.0f,-0.5f,-1.0f)); | ||
|  | 	A.push_back(glm::vec4(-0.7f,-0.1f, 0.1f, 0.7f)); | ||
|  | 	 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec4 B(A[i]); | ||
|  | 		glm::uint32 C = glm::packSnorm4x8(B); | ||
|  | 		glm::vec4 D = glm::unpackSnorm4x8(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 127.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 	 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec2> A; | ||
|  | 	A.push_back(glm::vec2(1.0f, 0.7f)); | ||
|  | 	A.push_back(glm::vec2(0.5f, 0.1f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec2 B(A[i]); | ||
|  | 		glm::u16vec2 C = glm::packUnorm<glm::uint16>(B); | ||
|  | 		glm::vec2 D = glm::unpackUnorm<float>(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 255.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packSnorm() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec2> A; | ||
|  | 	A.push_back(glm::vec2( 1.0f, 0.0f)); | ||
|  | 	A.push_back(glm::vec2(-0.5f,-0.7f)); | ||
|  | 	A.push_back(glm::vec2(-0.1f, 0.1f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec2 B(A[i]); | ||
|  | 		glm::i16vec2 C = glm::packSnorm<glm::int16>(B); | ||
|  | 		glm::vec2 D = glm::unpackSnorm<float>(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 32767.0f * 2.0f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm2x4() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec2> A; | ||
|  | 	A.push_back(glm::vec2(1.0f, 0.7f)); | ||
|  | 	A.push_back(glm::vec2(0.5f, 0.0f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec2 B(A[i]); | ||
|  | 		glm::uint8 C = glm::packUnorm2x4(B); | ||
|  | 		glm::vec2 D = glm::unpackUnorm2x4(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 15.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm4x4() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec4> A; | ||
|  | 	A.push_back(glm::vec4(1.0f, 0.7f, 0.5f, 0.0f)); | ||
|  | 	A.push_back(glm::vec4(0.5f, 0.1f, 0.0f, 1.0f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec4 B(A[i]); | ||
|  | 		glm::uint16 C = glm::packUnorm4x4(B); | ||
|  | 		glm::vec4 D = glm::unpackUnorm4x4(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 15.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm3x5_1x1() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec4> A; | ||
|  | 	A.push_back(glm::vec4(1.0f, 0.7f, 0.5f, 0.0f)); | ||
|  | 	A.push_back(glm::vec4(0.5f, 0.1f, 0.0f, 1.0f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec4 B(A[i]); | ||
|  | 		glm::uint16 C = glm::packUnorm3x5_1x1(B); | ||
|  | 		glm::vec4 D = glm::unpackUnorm3x5_1x1(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 15.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm1x5_1x6_1x5() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec3> A; | ||
|  | 	A.push_back(glm::vec3(1.0f, 0.7f, 0.5f)); | ||
|  | 	A.push_back(glm::vec3(0.5f, 0.1f, 0.0f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec3 B(A[i]); | ||
|  | 		glm::uint16 C = glm::packUnorm1x5_1x6_1x5(B); | ||
|  | 		glm::vec3 D = glm::unpackUnorm1x5_1x6_1x5(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 15.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUnorm2x3_1x2() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	std::vector<glm::vec3> A; | ||
|  | 	A.push_back(glm::vec3(1.0f, 0.7f, 0.5f)); | ||
|  | 	A.push_back(glm::vec3(0.5f, 0.1f, 0.0f)); | ||
|  | 
 | ||
|  | 	for(std::size_t i = 0; i < A.size(); ++i) | ||
|  | 	{ | ||
|  | 		glm::vec3 B(A[i]); | ||
|  | 		glm::uint8 C = glm::packUnorm2x3_1x2(B); | ||
|  | 		glm::vec3 D = glm::unpackUnorm2x3_1x2(C); | ||
|  | 		Error += glm::all(glm::epsilonEqual(B, D, 1.0f / 3.f)) ? 0 : 1; | ||
|  | 		assert(!Error); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUint2x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::u8vec2 const Source(1, 2); | ||
|  | 
 | ||
|  | 	glm::uint16 const Packed = glm::packUint2x8(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::u8vec2 const Unpacked = glm::unpackUint2x8(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUint4x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::u8vec4 const Source(1, 2, 3, 4); | ||
|  | 
 | ||
|  | 	glm::uint32 const Packed = glm::packUint4x8(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::u8vec4 const Unpacked = glm::unpackUint4x8(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUint2x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::u16vec2 const Source(1, 2); | ||
|  | 
 | ||
|  | 	glm::uint32 const Packed = glm::packUint2x16(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::u16vec2 const Unpacked = glm::unpackUint2x16(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUint4x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::u16vec4 const Source(1, 2, 3, 4); | ||
|  | 
 | ||
|  | 	glm::uint64 const Packed = glm::packUint4x16(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::u16vec4 const Unpacked = glm::unpackUint4x16(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packUint2x32() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::u32vec2 const Source(1, 2); | ||
|  | 
 | ||
|  | 	glm::uint64 const Packed = glm::packUint2x32(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::u32vec2 const Unpacked = glm::unpackUint2x32(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packInt2x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::i8vec2 const Source(1, 2); | ||
|  | 
 | ||
|  | 	glm::int16 const Packed = glm::packInt2x8(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::i8vec2 const Unpacked = glm::unpackInt2x8(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packInt4x8() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::i8vec4 const Source(1, 2, 3, 4); | ||
|  | 
 | ||
|  | 	glm::int32 const Packed = glm::packInt4x8(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::i8vec4 const Unpacked = glm::unpackInt4x8(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packInt2x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::i16vec2 const Source(1, 2); | ||
|  | 
 | ||
|  | 	glm::int32 const Packed = glm::packInt2x16(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::i16vec2 const Unpacked = glm::unpackInt2x16(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packInt4x16() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::i16vec4 const Source(1, 2, 3, 4); | ||
|  | 
 | ||
|  | 	glm::int64 const Packed = glm::packInt4x16(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::i16vec4 const Unpacked = glm::unpackInt4x16(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int test_packInt2x32() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	glm::i32vec2 const Source(1, 2); | ||
|  | 
 | ||
|  | 	glm::int64 const Packed = glm::packInt2x32(Source); | ||
|  | 	Error += Packed != 0 ? 0 : 1; | ||
|  | 
 | ||
|  | 	glm::i32vec2 const Unpacked = glm::unpackInt2x32(Packed); | ||
|  | 	Error += Source == Unpacked ? 0 : 1; | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } | ||
|  | 
 | ||
|  | int main() | ||
|  | { | ||
|  | 	int Error = 0; | ||
|  | 
 | ||
|  | 	Error += test_packUnorm(); | ||
|  | 	Error += test_packSnorm(); | ||
|  | 
 | ||
|  | 	Error += test_packSnorm1x16(); | ||
|  | 	Error += test_packSnorm2x16(); | ||
|  | 	Error += test_packSnorm4x16(); | ||
|  | 
 | ||
|  | 	Error += test_packSnorm1x8(); | ||
|  | 	Error += test_packSnorm2x8(); | ||
|  | 	Error += test_packSnorm4x8(); | ||
|  | 
 | ||
|  | 	Error += test_packUnorm1x16(); | ||
|  | 	Error += test_packUnorm2x16(); | ||
|  | 	Error += test_packUnorm4x16(); | ||
|  | 
 | ||
|  | 	Error += test_packUnorm1x8(); | ||
|  | 	Error += test_packUnorm2x8(); | ||
|  | 	Error += test_packUnorm4x8(); | ||
|  | 
 | ||
|  | 	Error += test_packUnorm2x4(); | ||
|  | 	Error += test_packUnorm4x4(); | ||
|  | 	Error += test_packUnorm3x5_1x1(); | ||
|  | 	Error += test_packUnorm1x5_1x6_1x5(); | ||
|  | 	Error += test_packUnorm2x3_1x2(); | ||
|  | 
 | ||
|  | 	Error += test_packUint2x8(); | ||
|  | 	Error += test_packUint4x8(); | ||
|  | 	Error += test_packUint2x16(); | ||
|  | 	Error += test_packUint4x16(); | ||
|  | 	Error += test_packUint2x32(); | ||
|  | 
 | ||
|  | 	Error += test_packInt2x8(); | ||
|  | 	Error += test_packInt4x8(); | ||
|  | 	Error += test_packInt2x16(); | ||
|  | 	Error += test_packInt4x16(); | ||
|  | 	Error += test_packInt2x32(); | ||
|  | 
 | ||
|  | 	Error += test_F2x11_1x10(); | ||
|  | 	Error += test_F3x9_E1x5(); | ||
|  | 	Error += test_RGBM(); | ||
|  | 	Error += test_Unorm3x10_1x2(); | ||
|  | 	Error += test_Snorm3x10_1x2(); | ||
|  | 
 | ||
|  | 	Error += test_I3x10_1x2(); | ||
|  | 	Error += test_U3x10_1x2(); | ||
|  | 	Error += test_Half1x16(); | ||
|  | 	Error += test_Half4x16(); | ||
|  | 
 | ||
|  | 	return Error; | ||
|  | } |