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-rw-r--r--src/gamma-x-randr.c82
1 files changed, 70 insertions, 12 deletions
diff --git a/src/gamma-x-randr.c b/src/gamma-x-randr.c
index 9c862ef..cc30307 100644
--- a/src/gamma-x-randr.c
+++ b/src/gamma-x-randr.c
@@ -374,6 +374,56 @@ static int get_gamma_ramp_size(libgamma_crtc_information_t* restrict out, libgam
/**
+ * Read information from the CRTC's output
+ *
+ * @param out Instance of a data structure to fill with the information about the CRTC
+ * @param output The CRTC's output information
+ * @return Non-zero if at least on error occured
+ */
+static int read_output_data(libgamma_crtc_information_t* restrict out, xcb_randr_get_output_info_reply_t* restrict output)
+{
+ switch (output->connection)
+ {
+ case XCB_RANDR_CONNECTION_CONNECTED:
+ out->active = 1;
+ out->width_mm = output->mm_width;
+ out->height_mm = output->mm_height;
+#define __select(value) \
+ case XCB_RENDER_SUB_PIXEL_##value: out->subpixel_order = LIBGAMMA_SUBPIXEL_ORDER_##value; break
+ switch (output->subpixel_order)
+ {
+ __select (UNKNOWN);
+ __select (HORIZONTAL_RGB);
+ __select (HORIZONTAL_BGR);
+ __select (VERTICAL_RGB);
+ __select (VERTICAL_BGR);
+ __select (NONE);
+ default:
+ out->subpixel_order_error = LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED;
+ break;
+ }
+#undef __select
+ return 0;
+
+ case XCB_RANDR_CONNECTION_DISCONNECTED:
+ out->active = 0;
+ out->width_mm_error = LIBGAMMA_NOT_CONNECTED;
+ out->height_mm_error = LIBGAMMA_NOT_CONNECTED;
+ out->subpixel_order_error = LIBGAMMA_NOT_CONNECTED;
+ return 0;
+
+ default:
+ out->active = 0;
+ out->active_error = LIBGAMMA_STATE_UNKNOWN;
+ out->width_mm_error = LIBGAMMA_NOT_CONNECTED;
+ out->height_mm_error = LIBGAMMA_NOT_CONNECTED;
+ out->subpixel_order_error = LIBGAMMA_NOT_CONNECTED;
+ return -1;
+ }
+}
+
+
+/**
* Read information about a CRTC
*
* @param this Instance of a data structure to fill with the information about the CRTC
@@ -398,22 +448,29 @@ int libgamma_x_randr_get_crtc_information(libgamma_crtc_information_t* restrict
/* Figure out what fields we need to get the data for to get the data for other fields. */
if ((fields & (CRTC_INFO_WIDTH_MM_EDID | CRTC_INFO_HEIGHT_MM_EDID | CRTC_INFO_GAMMA)))
fields |= CRTC_INFO_EDID;
+ if ((fields & CRTC_INFO_CONNECTOR_TYPE))
+ fields |= CRTC_INFO_CONNECTOR_NAME;
+ if ((fields & (CRTC_INFO_WIDTH_MM | CRTC_INFO_HEIGHT_MM | CRTC_INFO_SUBPIXEL_ORDER)))
+ fields |= CRTC_INFO_ACTIVE;
+
+ /* FIXME output */
- /* FIXME */
- e |= this->width_mm_error = -1;
- e |= this->height_mm_error = -1;
- e |= this->connector_type = -1;
- e |= this->subpixel_order_error = -1;
- e |= this->active_error = -1;
- e |= this->connector_name_error = -1;
- e |= this->edid_error = -1;
- e |= this->gamma_error = -1;
- e |= this->width_mm_edid_error = -1;
- e |= this->height_mm_edid_error = -1;
+ e |= this->connector_type = -1; /* FIXME */
+ e |= this->connector_name_error = -1; /* FIXME */
+ e |= read_output_data(this, output);
+ if ((fields & (CRTC_INFO_WIDTH_MM | CRTC_INFO_HEIGHT_MM)))
+ e |= this->width_mm_error | this->height_mm_error;
+ e |= (fields & CRTC_INFO_SUBPIXEL_ORDER) ? this->subpixel_order_error : 0;
if ((fields & CRTC_INFO_EDID) == 0)
goto cont;
- e |= get_edid(crtc, this);
+ if (this->active == 0)
+ {
+ e |= this->edid_error = this->gamma_error = this->width_mm_edid_error
+ = this->height_mm_edid_error = LIBGAMMA_NOT_CONNECTED;
+ goto cont;
+ }
+ e |= get_edid(crtc, this); /* FIXME */
if (this->edid == NULL)
{
this->gamma_error = this->width_mm_edid_error = this->height_mm_edid_error = this->edid_error;
@@ -434,6 +491,7 @@ int libgamma_x_randr_get_crtc_information(libgamma_crtc_information_t* restrict
this->edid = NULL;
}
+ free(output);
return e ? -1 : 0;
#undef _E
}