diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-11-30 18:13:09 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-09-16 17:27:21 +0300 |
| commit | 36ab5380d94f55a37508c42b96ed01b8269aa35a (patch) | |
| tree | a6f3e49c721eb3cdce3d901f0eef9c6c70750148 /tests/kms_color_helper.c | |
| parent | 096d8c36c455255c166437a22da855458a489cf6 (diff) | |
tests/kms_color: Store r/g/b separately for LUT color tests
Store the r/g/b values separately for each LUT. A lot of hw
has a separate 1D LUT for each channel, so with this we can
potentially do more interesting tests. Also needed for 3D LUTs
(if we should ever support them).
Reviewed-by: Bhanuprakash Modem <Bhanuprakash.modem@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'tests/kms_color_helper.c')
| -rw-r--r-- | tests/kms_color_helper.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/tests/kms_color_helper.c b/tests/kms_color_helper.c index 68fa5f0e..8b08cdae 100644 --- a/tests/kms_color_helper.c +++ b/tests/kms_color_helper.c @@ -103,14 +103,19 @@ void free_lut(gamma_lut_t *gamma) free(gamma); } +static void set_rgb(color_t *coeff, double value) +{ + coeff->r = coeff->g = coeff->b = value; +} + gamma_lut_t *generate_table(int lut_size, double exp) { gamma_lut_t *gamma = alloc_lut(lut_size); int i; - gamma->coeffs[0] = 0.0; + set_rgb(&gamma->coeffs[0], 0.0); for (i = 1; i < lut_size; i++) - gamma->coeffs[i] = pow(i * 1.0 / (lut_size - 1), exp); + set_rgb(&gamma->coeffs[i], pow(i * 1.0 / (lut_size - 1), exp)); return gamma; } @@ -120,9 +125,9 @@ gamma_lut_t *generate_table_max(int lut_size) gamma_lut_t *gamma = alloc_lut(lut_size); int i; - gamma->coeffs[0] = 0.0; + set_rgb(&gamma->coeffs[0], 0.0); for (i = 1; i < lut_size; i++) - gamma->coeffs[i] = 1.0; + set_rgb(&gamma->coeffs[i], 1.0); return gamma; } @@ -133,7 +138,7 @@ gamma_lut_t *generate_table_zero(int lut_size) int i; for (i = 0; i < lut_size; i++) - gamma->coeffs[i] = 0.0; + set_rgb(&gamma->coeffs[i], 0.0); return gamma; } @@ -158,7 +163,9 @@ struct drm_color_lut *coeffs_to_lut(data_t *data, if (IS_CHERRYVIEW(data->devid)) lut_size -= 1; for (i = 0; i < lut_size; i++) { - uint32_t v = (gamma->coeffs[i] * max_value); + uint32_t r = gamma->coeffs[i].r * max_value; + uint32_t g = gamma->coeffs[i].g * max_value; + uint32_t b = gamma->coeffs[i].b * max_value; /* * Hardware might encode colors on a different number of bits @@ -166,11 +173,13 @@ struct drm_color_lut *coeffs_to_lut(data_t *data, * Mask the lower bits not provided by the framebuffer so we * can do CRC comparisons. */ - v &= mask; + r &= mask; + g &= mask; + b &= mask; - lut[i].red = v; - lut[i].green = v; - lut[i].blue = v; + lut[i].red = r; + lut[i].green = g; + lut[i].blue = b; } if (IS_CHERRYVIEW(data->devid)) |