Support 10- and 12-bit Y'CbCr output.

[movit] / test_util.cpp

diff --git a/test_util.cpp b/test_util.cpp
index ada84dca8832f24513c40a05d58fae7f6de97869..fadb2d77f084fb3b246cd491e4aab3b3a94fceda 100644 (file)
--- a/test_util.cpp
+++ b/test_util.cpp
@@ -47,7 +47,12 @@ void vertical_flip(T *data, unsigned width, unsigned height)
 EffectChainTester::EffectChainTester(const float *data, unsigned width, unsigned height,
                                      MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve,
                                      GLenum framebuffer_format)
-       : chain(width, height, get_static_pool()), width(width), height(height), framebuffer_format(framebuffer_format), output_added(false), finalized(false)
+       : chain(width, height, get_static_pool()),
+         width(width),
+         height(height),
+         framebuffer_format(framebuffer_format),
+         output_added(false),
+         finalized(false)
 {
        CHECK(init_movit(".", MOVIT_DEBUG_OFF));
 
@@ -128,6 +133,11 @@ void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, u
        internal_run(out_data, out_data2, out_data3, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
 }
 
+void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+       internal_run<uint32_t>(out_data, NULL, NULL, GL_UNSIGNED_INT_2_10_10_10_REV, format, color_space, gamma_curve, alpha_format);
+}
+
 template<class T>
 void EffectChainTester::internal_run(T *out_data, T *out_data2, T *out_data3, GLenum internal_format, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
 {
@@ -140,6 +150,8 @@ void EffectChainTester::internal_run(T *out_data, T *out_data2, T *out_data3, GL
                type = GL_UNSIGNED_BYTE;
        } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) {
                type = GL_FLOAT;
+       } else if (framebuffer_format == GL_RGB10_A2) {
+               type = GL_UNSIGNED_INT_2_10_10_10_REV;
        } else {
                // Add more here as needed.
                assert(false);
@@ -215,7 +227,7 @@ void EffectChainTester::internal_run(T *out_data, T *out_data2, T *out_data3, GL
                        check_error();
                }
 
-               if (format == GL_RGBA) {
+               if (format == GL_RGBA && sizeof(*ptr) == 1) {
                        vertical_flip(ptr, width * 4, height);
                } else {
                        vertical_flip(ptr, width, height);
@@ -322,6 +334,27 @@ void expect_equal(const unsigned char *ref, const unsigned char *result, unsigne
        delete[] result_float;
 }
 
+void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
+{
+       assert(width > 0);
+       assert(height > 0);
+
+       float *ref_float = new float[width * height];
+       float *result_float = new float[width * height];
+
+       for (unsigned y = 0; y < height; ++y) {
+               for (unsigned x = 0; x < width; ++x) {
+                       ref_float[y * width + x] = ref[y * width + x];
+                       result_float[y * width + x] = result[y * width + x];
+               }
+       }
+
+       expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
+
+       delete[] ref_float;
+       delete[] result_float;
+}
+
 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)
 {
        double squared_difference = 0.0;
@@ -345,4 +378,24 @@ void test_accuracy(const float *expected, const float *result, unsigned num_valu
        EXPECT_LT(rms, rms_limit);
 }
 
+double srgb_to_linear(double x)
+{
+       // From the Wikipedia article on sRGB.
+       if (x < 0.04045) {
+               return x / 12.92;
+       } else {
+               return pow((x + 0.055) / 1.055, 2.4);
+       }
+}
+
+double linear_to_srgb(double x)
+{
+       // From the Wikipedia article on sRGB.
+       if (x < 0.0031308) {
+               return 12.92 * x;
+       } else {
+               return 1.055 * pow(x, 1.0 / 2.4) - 0.055;
+       }
+}
+
 }  // namespace movit