X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=test_util.h;h=728f84b6d53c3920e836d6feb9a2283cd31123ca;hb=bb578b403deef87c90b330f860ad35d80433b702;hp=69efe358b10d60b0e0556751b7d1d6ea313cee1f;hpb=9c6b86affb570a2e2d18c6da795c359da393f9a3;p=movit

diff --git a/test_util.h b/test_util.h
index 69efe35..728f84b 100644
--- a/test_util.h
+++ b/test_util.h
@@ -15,8 +15,7 @@ public:
 	                  MovitPixelFormat pixel_format = FORMAT_GRAYSCALE,
 	                  Colorspace color_space = COLORSPACE_sRGB,
 	                  GammaCurve gamma_curve = GAMMA_LINEAR,
-	                  GLenum framebuffer_format = GL_RGBA16F_ARB,
-	                  GLenum intermediate_format = GL_RGBA16F_ARB);
+	                  GLenum framebuffer_format = GL_RGBA16F_ARB);
 	~EffectChainTester();
 	
 	EffectChain *get_chain() { return &chain; }
@@ -48,6 +47,14 @@ void expect_equal(const float *ref, const float *result, unsigned width, unsigne
 void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit = 1, float rms_limit = 0.2);
 void test_accuracy(const float *expected, const float *result, unsigned num_values, double absolute_error_limit, double relative_error_limit, double local_relative_error_limit, double rms_limit);
 
+// Convert an sRGB encoded value (0.0 to 1.0, inclusive) to linear light.
+// Undefined for values outside 0.0..1.0.
+double srgb_to_linear(double x);
+
+// Convert a value in linear light (0.0 to 1.0, inclusive) to sRGB.
+// Undefined for values outside 0.0..1.0.
+double linear_to_srgb(double x);
+
 }  // namespace movit
 
 #endif  // !defined(_MOVIT_TEST_UTIL_H)