To verify Plane degamma, draw 3 gradient rectangles in red, green and blue, with a maxed out degamma LUT and verify we have the same frame dump as drawing solid color rectangles with linear gamma LUT.
Cc: Harry Wentland harry.wentland@amd.com Cc: Ville Syrjälä ville.syrjala@linux.intel.com Cc: Juha-Pekka Heikkila juhapekka.heikkila@gmail.com Cc: Uma Shankar uma.shankar@intel.com Cc: Kunal Joshi kunal1.joshi@intel.com Signed-off-by: Bhanuprakash Modem bhanuprakash.modem@intel.com --- tests/kms_color_chamelium.c | 131 ++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+)
diff --git a/tests/kms_color_chamelium.c b/tests/kms_color_chamelium.c index b506109271..3bcb3ac043 100644 --- a/tests/kms_color_chamelium.c +++ b/tests/kms_color_chamelium.c @@ -874,6 +874,132 @@ static bool plane_gamma_test(data_t *data, igt_plane_t *plane) return ret; }
+static bool plane_degamma_test(data_t *data, igt_plane_t *plane) +{ + igt_output_t *output; + igt_display_t *display = &data->display; + drmModeModeInfo *mode; + drmModePropertyPtr degamma_mode; + struct igt_fb fb, fbref; + struct chamelium_port *port; + uint32_t i; + bool ret = true; + color_t red_green_blue[] = { + { 1.0, 0.0, 0.0 }, + { 0.0, 1.0, 0.0 }, + { 0.0, 0.0, 1.0 } + }; + + igt_info("Plane degamma test is running on pipe-%s plane-%s(%s)\n", + kmstest_pipe_name(plane->pipe->pipe), + kmstest_plane_type_name(plane->type), + is_hdr_plane(plane) ? "hdr":"sdr"); + + igt_require(igt_plane_has_prop(plane, IGT_PLANE_DEGAMMA_MODE)); + igt_require(igt_plane_has_prop(plane, IGT_PLANE_DEGAMMA_LUT)); + + for_each_valid_output_on_pipe(display, plane->pipe->pipe, output) { + for (i = 0; i < data->port_count; i++) + if (strcmp(output->name, chamelium_port_get_name(data->ports[i])) == 0) { + port = data->ports[i]; + break; + } + + if (port) + break; + } + igt_require(port); + igt_assert(output); + + igt_output_set_pipe(output, plane->pipe->pipe); + mode = igt_output_get_mode(output); + + /* Create a framebuffer at the size of the output. */ + igt_assert(igt_create_fb(data->drm_fd, + mode->hdisplay, + mode->vdisplay, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_MOD_LINEAR, + &fb)); + + igt_assert(igt_create_fb(data->drm_fd, + mode->hdisplay, + mode->vdisplay, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_MOD_LINEAR, + &fbref)); + + disable_degamma(plane->pipe); + disable_ctm(plane->pipe); + disable_gamma(plane->pipe); + + disable_plane_degamma(plane); + disable_plane_ctm(plane); + disable_plane_gamma(plane); + + igt_plane_set_fb(plane, &fbref); + igt_display_commit2(display, display->is_atomic ? + COMMIT_ATOMIC : COMMIT_LEGACY); + + /* Draw solid colors with no degamma. */ + paint_rectangles(data, mode, red_green_blue, &fbref); + + degamma_mode = get_plane_gamma_degamma_mode(plane, IGT_PLANE_DEGAMMA_MODE); + /* Iterate all supported degamma modes. */ + for (i = 0; i < degamma_mode->count_enums; i++) { + struct chamelium_frame_dump *frame_fullcolors; + segment_data_t *degamma_segment_info = NULL; + struct drm_color_lut_ext *degamma_lut = NULL; + uint32_t degamma_lut_size = 0; + + /* Ignore 'no degamma' from enum list. */ + if (!strcmp(degamma_mode->enums[i].name, "no degamma")) + continue; + + degamma_segment_info = get_segment_data(data, degamma_mode->enums[i].value, + degamma_mode->enums[i].name); + degamma_lut_size = sizeof(struct drm_color_lut_ext) * degamma_segment_info->entries_count; + degamma_lut = create_max_lut(degamma_segment_info); + + igt_info("Trying to use degamma mode: '%s'\n", degamma_mode->enums[i].name); + + /* Draw a gradient with degamma LUT to remap all + * values to max red/green/blue. + */ + paint_gradient_rectangles(data, mode, red_green_blue, &fb); + igt_plane_set_fb(plane, &fb); + set_plane_degamma(plane, degamma_mode->enums[i].name, + degamma_lut, degamma_lut_size); + igt_display_commit2(display, display->is_atomic ? + COMMIT_ATOMIC : COMMIT_LEGACY); + + chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 1); + frame_fullcolors = + chamelium_read_captured_frame(data->chamelium, 0); + + /* Verify that the framebuffer reference of the software computed + * output is equal to the frame dump of the gamma LUT + * transformation output. + */ + ret &= chamelium_frame_match_or_dump(data->chamelium, port, + frame_fullcolors, &fbref, + CHAMELIUM_CHECK_ANALOG); + + free(degamma_lut); + clear_segment_data(degamma_segment_info); + } + + disable_plane_degamma(plane); + igt_plane_set_fb(plane, NULL); + igt_output_set_pipe(output, PIPE_NONE); + igt_display_commit2(display, display->is_atomic ? + COMMIT_ATOMIC : COMMIT_LEGACY); + + drmModeFreeProperty(degamma_mode); + + return ret; +} + static void run_plane_color_test(data_t *data, enum pipe pipe, test_t test) { igt_plane_t *plane; @@ -903,6 +1029,11 @@ static void run_tests_for_plane(data_t *data, enum pipe pipe) igt_subtest_f("pipe-%s-plane-gamma", kmstest_pipe_name(pipe)) run_plane_color_test(data, pipe, plane_gamma_test); + + igt_describe("Compare maxed out plane degamma LUT and solid color linear LUT"); + igt_subtest_f("pipe-%s-plane-degamma", + kmstest_pipe_name(pipe)) + run_plane_color_test(data, pipe, plane_degamma_test); }
igt_main