diff options
Diffstat (limited to 'src/backends/native/meta-crtc-kms.c')
| -rw-r--r-- | src/backends/native/meta-crtc-kms.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/backends/native/meta-crtc-kms.c b/src/backends/native/meta-crtc-kms.c index ad72dba64..35207caab 100644 --- a/src/backends/native/meta-crtc-kms.c +++ b/src/backends/native/meta-crtc-kms.c @@ -56,6 +56,17 @@ static GQuark kms_crtc_crtc_kms_quark; G_DEFINE_TYPE (MetaCrtcKms, meta_crtc_kms, META_TYPE_CRTC_NATIVE) +static MetaMonitorManagerNative * +monitor_manager_from_crtc (MetaCrtc *crtc) +{ + MetaGpu *gpu = meta_crtc_get_gpu (crtc); + MetaBackend *backend = meta_gpu_get_backend (gpu); + MetaMonitorManager *monitor_manager = + meta_backend_get_monitor_manager (backend); + + return META_MONITOR_MANAGER_NATIVE (monitor_manager); +} + gpointer meta_crtc_kms_get_cursor_renderer_private (MetaCrtcKms *crtc_kms) { @@ -74,6 +85,155 @@ meta_crtc_kms_set_cursor_renderer_private (MetaCrtcKms *crtc_kms, crtc_kms->cursor_renderer_private_destroy_notify = destroy_notify; } +static void +meta_crtc_kms_get_gamma_lut (MetaCrtc *crtc, + size_t *size, + unsigned short **red, + unsigned short **green, + unsigned short **blue) +{ + MetaCrtcKms *crtc_kms = META_CRTC_KMS (crtc); + MetaKmsCrtc *kms_crtc = meta_crtc_kms_get_kms_crtc (crtc_kms); + MetaMonitorManagerNative *monitor_manager_native = + monitor_manager_from_crtc (crtc); + const MetaKmsCrtcState *crtc_state; + MetaKmsCrtcGamma *crtc_gamma; + + crtc_gamma = + meta_monitor_manager_native_get_cached_crtc_gamma (monitor_manager_native, + crtc_kms); + if (crtc_gamma) + { + if (size) + *size = crtc_gamma->size; + if (red) + *red = g_memdup2 (crtc_gamma->red, *size * sizeof **red); + if (green) + *green = g_memdup2 (crtc_gamma->green, *size * sizeof **green); + if (blue) + *blue = g_memdup2 (crtc_gamma->blue, *size * sizeof **blue); + return; + } + + crtc_state = meta_kms_crtc_get_current_state (kms_crtc); + + if (size) + *size = crtc_state->gamma.size; + if (red) + *red = g_memdup2 (crtc_state->gamma.red, *size * sizeof **red); + if (green) + *green = g_memdup2 (crtc_state->gamma.green, *size * sizeof **green); + if (blue) + *blue = g_memdup2 (crtc_state->gamma.blue, *size * sizeof **blue); +} + +static char * +generate_gamma_ramp_string (size_t size, + unsigned short *red, + unsigned short *green, + unsigned short *blue) +{ + GString *string; + int color; + + string = g_string_new ("["); + for (color = 0; color < 3; color++) + { + unsigned short **color_ptr = NULL; + char color_char; + size_t i; + + switch (color) + { + case 0: + color_ptr = &red; + color_char = 'r'; + break; + case 1: + color_ptr = &green; + color_char = 'g'; + break; + case 2: + color_ptr = &blue; + color_char = 'b'; + break; + } + + g_assert (color_ptr); + g_string_append_printf (string, " %c: ", color_char); + for (i = 0; i < MIN (4, size); i++) + { + int j; + + if (size > 4) + { + if (i == 2) + g_string_append (string, ",..."); + + if (i >= 2) + j = i + (size - 4); + else + j = i; + } + else + { + j = i; + } + g_string_append_printf (string, "%s%hu", + j == 0 ? "" : ",", + (*color_ptr)[i]); + } + } + + g_string_append (string, " ]"); + + return g_string_free (string, FALSE); +} + +static void +meta_crtc_kms_set_gamma_lut (MetaCrtc *crtc, + size_t size, + unsigned short *red, + unsigned short *green, + unsigned short *blue) +{ + MetaCrtcKms *crtc_kms = META_CRTC_KMS (crtc); + MetaKmsCrtc *kms_crtc = meta_crtc_kms_get_kms_crtc (crtc_kms); + MetaBackend *backend = meta_gpu_get_backend (meta_crtc_get_gpu (crtc)); + MetaMonitorManagerNative *monitor_manager_native = + monitor_manager_from_crtc (crtc); + ClutterActor *stage = meta_backend_get_stage (backend); + const MetaKmsCrtcState *crtc_state; + g_autofree char *gamma_ramp_string = NULL; + MetaKmsCrtcGamma *crtc_gamma; + + crtc_state = meta_kms_crtc_get_current_state (kms_crtc); + + if (size != crtc_state->gamma.size) + { + MetaKmsDevice *kms_device = meta_kms_crtc_get_device (kms_crtc); + + g_warning ("Tried to set a different gamma LUT size on %u (%s)", + meta_kms_crtc_get_id (kms_crtc), + meta_kms_device_get_path (kms_device)); + return; + } + + gamma_ramp_string = generate_gamma_ramp_string (size, red, green, blue); + meta_topic (META_DEBUG_COLOR, + "Setting CRTC (%" G_GUINT64_FORMAT ") gamma to %s", + meta_crtc_get_id (crtc), gamma_ramp_string); + + crtc_gamma = meta_kms_crtc_gamma_new (kms_crtc, size, + red, green, blue); + meta_monitor_manager_native_update_cached_crtc_gamma (monitor_manager_native, + crtc_kms, + crtc_gamma); + + meta_crtc_kms_invalidate_gamma (crtc_kms); + clutter_stage_schedule_update (CLUTTER_STAGE (stage)); +} + static gboolean is_transform_handled (MetaCrtcKms *crtc_kms, MetaMonitorTransform transform) @@ -394,10 +554,14 @@ static void meta_crtc_kms_class_init (MetaCrtcKmsClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); + MetaCrtcClass *crtc_class = META_CRTC_CLASS (klass); MetaCrtcNativeClass *crtc_native_class = META_CRTC_NATIVE_CLASS (klass); object_class->dispose = meta_crtc_kms_dispose; + crtc_class->get_gamma_lut = meta_crtc_kms_get_gamma_lut; + crtc_class->set_gamma_lut = meta_crtc_kms_set_gamma_lut; + crtc_native_class->is_transform_handled = meta_crtc_kms_is_transform_handled; crtc_native_class->is_hw_cursor_supported = meta_crtc_kms_is_hw_cursor_supported; } |