Attempt to fix incorrect hdr colors on kde plasma 6.2

1 files changed, 28 insertions, 0 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 97b8742..6a8d0c4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3006,6 +3006,33 @@ static AudioDeviceData create_application_audio_audio_input(const MergedAudioInp
 }
 #endif
 
+static bool is_kde_plasma_version_greater_than_6_1_90() {
+    FILE *f = popen("plasmashell -v 2> /dev/null", "r");
+    if(!f)
+        return false;
+
+    char output[512];
+    const ssize_t bytes_read = fread(output, 1, sizeof(output) - 1, f);
+    if(bytes_read < 0 || ferror(f)) {
+        pclose(f);
+        return false;
+    }
+    output[bytes_read] = '\0';
+
+    bool is_above = false;
+    const char *version_start = strstr(output, "plasmashell ");
+    if(version_start) {
+        version_start += 12;
+        int major = 0;
+        int minor = 0;
+        int patch = 0;
+        is_above = sscanf(version_start, "%d.%d.%d", &major, &minor, &patch) == 3 && version_greater_than(major, minor, patch, 6, 1, 90);
+    }
+
+    pclose(f);
+    return is_above;
+}
+
 static bool arg_get_boolean_value(std::map<std::string, Arg> &args, const char *arg_name, bool default_value) {
     auto it = args.find(arg_name);
     if(it == args.end() || !it->second.value()) {
@@ -3734,6 +3761,7 @@ int main(int argc, char **argv) {
     color_conversion_params.color_range = color_range;
     color_conversion_params.egl = &egl;
     color_conversion_params.load_external_image_shader = gsr_capture_uses_external_image(capture);
+    color_conversion_params.kde_gamma_correction = hdr && is_monitor_capture && window->is_compositor_kwin && window->is_compositor_kwin(window) && is_kde_plasma_version_greater_than_6_1_90();
     gsr_video_encoder_get_textures(video_encoder, color_conversion_params.destination_textures, &color_conversion_params.num_destination_textures, &color_conversion_params.destination_color);
 
     gsr_color_conversion color_conversion;