Added GTC_color_encoding

test/gtc/CMakeLists.txt

@@ -1,4 +1,5 @@
 glmCreateTestGTC(gtc_bitfield)
+glmCreateTestGTC(gtc_color_encoding)
 glmCreateTestGTC(gtc_color_space)
 glmCreateTestGTC(gtc_constants)
 glmCreateTestGTC(gtc_epsilon)

test/gtc/gtc_color_encoding.cpp

@@ -0,0 +1,51 @@
+#include <glm/gtc/color_encoding.hpp>
+#include <glm/gtc/color_space.hpp>
+#include <glm/gtc/epsilon.hpp>
+#include <glm/gtc/constants.hpp>
+
+namespace srgb
+{
+	int test()
+	{
+		int Error(0);
+
+		glm::vec3 const ColorSourceRGB(1.0, 0.5, 0.0);
+
+		{
+			glm::vec3 const ColorSRGB = glm::convertLinearSRGBToD65XYZ(ColorSourceRGB);
+			glm::vec3 const ColorRGB = glm::convertD65XYZToLinearSRGB(ColorSRGB);
+			Error += glm::all(glm::epsilonEqual(ColorSourceRGB, ColorRGB, 0.00001f)) ? 0 : 1;
+		}
+
+		{
+			glm::vec3 const ColorSRGB = glm::convertLinearToSRGB(ColorSourceRGB, 2.8f);
+			glm::vec3 const ColorRGB = glm::convertSRGBToLinear(ColorSRGB, 2.8f);
+			Error += glm::all(glm::epsilonEqual(ColorSourceRGB, ColorRGB, 0.00001f)) ? 0 : 1;
+		}
+
+		glm::vec4 const ColorSourceRGBA(1.0, 0.5, 0.0, 1.0);
+
+		{
+			glm::vec4 const ColorSRGB = glm::convertLinearToSRGB(ColorSourceRGBA);
+			glm::vec4 const ColorRGB = glm::convertSRGBToLinear(ColorSRGB);
+			Error += glm::all(glm::epsilonEqual(ColorSourceRGBA, ColorRGB, 0.00001f)) ? 0 : 1;
+		}
+
+		{
+			glm::vec4 const ColorSRGB = glm::convertLinearToSRGB(ColorSourceRGBA, 2.8f);
+			glm::vec4 const ColorRGB = glm::convertSRGBToLinear(ColorSRGB, 2.8f);
+			Error += glm::all(glm::epsilonEqual(ColorSourceRGBA, ColorRGB, 0.00001f)) ? 0 : 1;
+		}
+
+		return Error;
+	}
+}//namespace srgb
+
+int main()
+{
+	int Error(0);
+
+	Error += srgb::test();
+
+	return Error;
+}