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-rw-r--r--src/lib/gamma-wayland.c148
1 files changed, 112 insertions, 36 deletions
diff --git a/src/lib/gamma-wayland.c b/src/lib/gamma-wayland.c
index 753a660..31ea6f1 100644
--- a/src/lib/gamma-wayland.c
+++ b/src/lib/gamma-wayland.c
@@ -76,6 +76,25 @@ static void registry_global_remover(void* site_state, struct wl_registry* regist
*/
static void gamma_control_gamma_size(void* crtc, struct gamma_control* control, uint32_t size);
+/**
+ * This function is called when the display server
+ * tells us about an output's geometry.
+ *
+ * @param info_ The CRTC's information structure to fill
+ * @param output The output
+ * @param x The left position, within the global compositor space, of the output
+ * @param y The top position, within the global compositor space, of the output
+ * @param physical_width Width in millimeters of the monitor's viewport
+ * @param physical_height Weight in millimeters of the monitor's viewport
+ * @param subpixel_ The monitor's subpixel-orientation
+ * @param make Textual description of the monitor's manufacturer
+ * @param model Textual description of the monitor's model
+ * @param transform Output flipping and rotation
+ */
+static void geometry(void* info_, struct wl_output* output, int32_t x, int32_t y,
+ int32_t physical_width, int32_t physical_height, int32_t subpixel_,
+ const char* make, const char* model, int32_t transform);
+
/**
@@ -190,6 +209,17 @@ static const struct gamma_control_listener gamma_control_listener =
gamma_control_gamma_size,
};
+/**
+ * Output event handlers.
+ */
+static const struct wl_output_listener output_listener =
+ {
+ geometry,
+ NULL,
+ NULL,
+ NULL,
+ };
+
/**
@@ -202,7 +232,9 @@ void libgamma_wayland_method_capabilities(libgamma_method_capabilities_t* restri
char* display = getenv("WAYLAND_DISPLAY");
this->crtc_information = LIBGAMMA_CRTC_INFO_GAMMA_SIZE
| LIBGAMMA_CRTC_INFO_GAMMA_DEPTH
- | LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT;
+ | LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT
+ | LIBGAMMA_CRTC_INFO_MACRO_VIEWPORT
+ | LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER;
/* Wayland supports multiple sites and CRTC:s, but not paritions. */
this->default_site_known = (display && *display) ? 1 : 0;
this->multiple_sites = 1;
@@ -559,6 +591,61 @@ int libgamma_wayland_crtc_restore(libgamma_crtc_state_t* restrict this)
/**
+ * This function is called when the display server
+ * tells us about an output's geometry.
+ *
+ * @param info_ The CRTC's information structure to fill
+ * @param output The output
+ * @param x The left position, within the global compositor space, of the output
+ * @param y The top position, within the global compositor space, of the output
+ * @param physical_width Width in millimeters of the monitor's viewport
+ * @param physical_height Weight in millimeters of the monitor's viewport
+ * @param subpixel_ The monitor's subpixel-orientation
+ * @param make Textual description of the monitor's manufacturer
+ * @param model Textual description of the monitor's model
+ * @param transform Output flipping and rotation
+ */
+static void geometry(void* info_, struct wl_output* output, int32_t x, int32_t y,
+ int32_t physical_width, int32_t physical_height, int32_t subpixel_,
+ const char* make, const char* model, int32_t transform)
+{
+ libgamma_crtc_information_t* info = info_;
+ enum wl_output_subpixel subpixel = subpixel_;
+
+ (void) output;
+ (void) x;
+ (void) y;
+ (void) transform;
+ (void) make; /* TODO new field */
+ (void) model; /* TODO new field */
+
+ info->width_mm = (size_t)(physical_width < 0 ? 0 : physical_width);
+ info->height_mm = (size_t)(physical_height < 0 ? 0 : physical_height);
+ info->width_mm_error = 0;
+ info->height_mm_error = 0;
+
+ info->subpixel_order_error = 0;
+ switch (subpixel)
+ {
+#define O(ORDER) \
+ case WL_OUTPUT_SUBPIXEL_##ORDER: \
+ info->subpixel_order = LIBGAMMA_SUBPIXEL_ORDER_##ORDER; \
+ break
+ O(UNKNOWN);
+ O(NONE);
+ O(HORIZONTAL_RGB);
+ O(HORIZONTAL_BGR);
+ O(VERTICAL_RGB);
+ O(VERTICAL_BGR);
+#undef O
+ default:
+ info->subpixel_order_error = LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED;
+ break;
+ }
+}
+
+
+/**
* Read information about a CRTC.
*
* @param this Instance of a data structure to fill with the information about the CRTC.
@@ -569,7 +656,8 @@ int libgamma_wayland_crtc_restore(libgamma_crtc_state_t* restrict this)
int libgamma_wayland_get_crtc_information(libgamma_crtc_information_t* restrict this,
libgamma_crtc_state_t* restrict crtc, int32_t fields)
{
-#define _E(FIELD) ((fields & FIELD) ? LIBGAMMA_CRTC_INFO_NOT_SUPPORTED : 0)
+#define _EE(FIELD, ERROR) ((fields & FIELD) ? ERROR : 0)
+#define _E(FIELD) _EE(FIELD, LIBGAMMA_CRTC_INFO_NOT_SUPPORTED)
libgamma_wayland_crtc_data_t* data = crtc->data;
int e = 0;
@@ -578,60 +666,48 @@ int libgamma_wayland_get_crtc_information(libgamma_crtc_information_t* restrict
memset(this, 0, sizeof(libgamma_crtc_information_t));
- /*unsigned char* edid;
- size_t edid_length;*/
- e |= this->edid_error = _E(LIBGAMMA_CRTC_INFO_EDID);
-
-
- /*size_t width_mm;*/
- e |= this->width_mm_error = _E(LIBGAMMA_CRTC_INFO_WIDTH_MM);
-
- /*size_t height_mm;*/
- e |= this->height_mm_error = _E(LIBGAMMA_CRTC_INFO_HEIGHT_MM);
+ /* Get geometry. */
+ this->width_mm_error = _EE(LIBGAMMA_CRTC_INFO_WIDTH_MM, LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED);
+ this->height_mm_error = _EE(LIBGAMMA_CRTC_INFO_HEIGHT_MM, LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED);
+ this->subpixel_order_error = _EE(LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER, LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED);
+ if (this->width_mm_error || this->height_mm_error || this->subpixel_order_error)
+ {
+ /* TODO add listener and wait for events */
+ e |= this->width_mm_error | this->height_mm_error | this->subpixel_order_error;
+ /* TODO remove listener */
+ }
- /*size_t width_mm_edid;*/
- e |= this->width_mm_edid_error = _E(LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID);
- /*size_t height_mm_edid;*/
+ /* There is no support for EDID, or any other way to get the gamma. */
+ e |= this->edid_error = _E(LIBGAMMA_CRTC_INFO_EDID);
+ e |= this->width_mm_edid_error = _E(LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID);
e |= this->height_mm_edid_error = _E(LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID);
+ e |= this->gamma_error = _E(LIBGAMMA_CRTC_INFO_GAMMA);
-
+ /* Store gamma size. */
this->red_gamma_size = (size_t)(data->gamma_size);
this->green_gamma_size = (size_t)(data->gamma_size);
this->blue_gamma_size = (size_t)(data->gamma_size);
e |= this->gamma_size_error = data->gamma_maybe_supported ? 0 :
- (fields & LIBGAMMA_CRTC_INFO_GAMMA_SIZE) ? LIBGAMMA_GAMMA_RAMPS_NOT_SUPPORTED : 0;
+ _EE(LIBGAMMA_CRTC_INFO_GAMMA_SIZE, LIBGAMMA_GAMMA_RAMPS_NOT_SUPPORTED);
+ /* Store gamma depth and gamma support. */
this->gamma_depth = 16;
- this->gamma_depth_error = 0;
-
this->gamma_support = data->gamma_maybe_supported;
- this->gamma_support_error = 0;
-
-
- /*libgamma_subpixel_order_t subpixel_order;*/
- e |= this->subpixel_order_error = _E(LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER);
-
- /*int active;*/
- e |= this->active_error = _E(LIBGAMMA_CRTC_INFO_ACTIVE);
- /*char* connector_name;*/
+ /* Store active. */
+ this->active = data->removed == 0;
+
+ /* There is no connector support. */
e |= this->connector_name_error = _E(LIBGAMMA_CRTC_INFO_CONNECTOR_NAME);
-
- /*libgamma_connector_type_t connector_type;*/
e |= this->connector_type_error = _E(LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE);
- /*float gamma_red;
- float gamma_green;
- float gamma_blue;*/
- e |= this->gamma_error = _E(LIBGAMMA_CRTC_INFO_GAMMA);
-
-
/* There was a failure if and only if unsupport field was requested. */
return e ? -1 : 0;
#undef _E
+#undef _EE
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-01 18:45:05 +0000