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-rw-r--r--src/lib/gamma-wayland.c82
-rw-r--r--src/lib/libgamma-error.h8
-rw-r--r--src/test/update-warnings.h2
3 files changed, 84 insertions, 8 deletions
diff --git a/src/lib/gamma-wayland.c b/src/lib/gamma-wayland.c
index e3e68e7..753a660 100644
--- a/src/lib/gamma-wayland.c
+++ b/src/lib/gamma-wayland.c
@@ -100,7 +100,6 @@ typedef struct libgamma_wayland_crtc_data
/**
* Whether `gamma_size` has been set.
- *
*/
int gamma_size_announced;
@@ -201,8 +200,9 @@ static const struct gamma_control_listener gamma_control_listener =
void libgamma_wayland_method_capabilities(libgamma_method_capabilities_t* restrict this)
{
char* display = getenv("WAYLAND_DISPLAY");
- /* TODO */
- this->crtc_information = 0;
+ this->crtc_information = LIBGAMMA_CRTC_INFO_GAMMA_SIZE
+ | LIBGAMMA_CRTC_INFO_GAMMA_DEPTH
+ | LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT;
/* Wayland supports multiple sites and CRTC:s, but not paritions. */
this->default_site_known = (display && *display) ? 1 : 0;
this->multiple_sites = 1;
@@ -506,6 +506,9 @@ int libgamma_wayland_crtc_initialise(libgamma_crtc_state_t* restrict this,
data = site->crtcs[crtc];
+ if (site->gamma_maybe_supported == 0)
+ return this->data = data, 0;
+
data->gamma_control = gamma_control_manager_get_gamma_control(site->gamma_control_manager, data->output);
if (data->gamma_control)
{
@@ -555,7 +558,6 @@ int libgamma_wayland_crtc_restore(libgamma_crtc_state_t* restrict this)
-# pragma GCC diagnostic ignored "-Wsuggest-attribute=const" /* TODO */
/**
* Read information about a CRTC.
*
@@ -567,7 +569,69 @@ 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)
{
- return 0; (void) this, (void) crtc, (void) fields; /* TODO */
+#define _E(FIELD) ((fields & FIELD) ? LIBGAMMA_CRTC_INFO_NOT_SUPPORTED : 0)
+
+ libgamma_wayland_crtc_data_t* data = crtc->data;
+ int e = 0;
+
+ /* Wipe all error indicators. */
+ 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);
+
+ /*size_t width_mm_edid;*/
+ e |= this->width_mm_edid_error = _E(LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID);
+
+ /*size_t height_mm_edid;*/
+ e |= this->height_mm_edid_error = _E(LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID);
+
+
+ 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;
+
+ 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;*/
+ 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
}
@@ -605,7 +669,13 @@ int libgamma_wayland_crtc_set_gamma_ramps16(libgamma_crtc_state_t* restrict this
struct wl_array green;
struct wl_array blue;
- /* TODO Verify that gamma can be set. */
+ /* Verify that gamma can be set. */
+#ifdef DEBUG
+ if (crtc->gamma_maybe_supported == 0)
+ return LIBGAMMA_GAMMA_RAMPS_NOT_SUPPORTED;
+#endif
+ if (crtc->removed)
+ return 0;
#ifdef DEBUG
/* Gamma ramp sizes are identical but not fixed. */
diff --git a/src/lib/libgamma-error.h b/src/lib/libgamma-error.h
index 456560c..d0b9e61 100644
--- a/src/lib/libgamma-error.h
+++ b/src/lib/libgamma-error.h
@@ -333,6 +333,12 @@ extern const char* libgamma_group_name;
*/
#define LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED (-46)
+/**
+ * Gamma ramps are not supported.
+ * (Only returned in debug mode.)
+ */
+#define LIBGAMMA_GAMMA_RAMPS_NOT_SUPPORTED (-47)
+
/**
@@ -341,7 +347,7 @@ extern const char* libgamma_group_name;
* number your program thinks it should be sould
* update your program for new errors.
*/
-#define LIBGAMMA_ERROR_MIN (-46)
+#define LIBGAMMA_ERROR_MIN (-47)
diff --git a/src/test/update-warnings.h b/src/test/update-warnings.h
index 7a870ed..f1df65c 100644
--- a/src/test/update-warnings.h
+++ b/src/test/update-warnings.h
@@ -46,7 +46,7 @@
#ifdef __GCC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wcpp"
-# if LIBGAMMA_ERROR_MIN < -46
+# if LIBGAMMA_ERROR_MIN < -47
# warning New error codes have been added to libgamma.
# endif
# if LIBGAMMA_METHOD_COUNT > 7