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Unified Diff: ui/ozone/platform/drm/common/drm_util.cc

Issue 1182063002: Add support for more advanced color correction (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@qcms-fixed-point-gamma
Patch Set: Refactor for glevin@ and load VCGT always Created 5 years, 1 month ago
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Index: ui/ozone/platform/drm/common/drm_util.cc
diff --git a/ui/ozone/platform/drm/common/drm_util.cc b/ui/ozone/platform/drm/common/drm_util.cc
index eb98ea0044ccb972fab9e9357dda4bf1c2f93137..86807f645ea29d03f68de7c3290c22edadf1887b 100644
--- a/ui/ozone/platform/drm/common/drm_util.cc
+++ b/ui/ozone/platform/drm/common/drm_util.cc
@@ -156,6 +156,19 @@ int ConnectorIndex(int device_index, int display_index) {
return ((device_index << 4) + display_index) & 0xFF;
}
+bool HasColorCorrectionMatrix(int fd, drmModeCrtc* crtc) {
+ ScopedDrmObjectPropertyPtr crtc_props(
+ drmModeObjectGetProperties(fd, crtc->crtc_id, DRM_MODE_OBJECT_CRTC));
+
+ for (uint32_t i = 0; i < crtc_props->count_props; ++i) {
+ ScopedDrmPropertyPtr property(drmModeGetProperty(fd, crtc_props->props[i]));
+ if (property && !strcmp(property->name, "CTM")) {
+ return true;
+ }
+ }
+ return false;
+}
+
} // namespace
HardwareDisplayControllerInfo::HardwareDisplayControllerInfo(
@@ -226,6 +239,8 @@ DisplaySnapshot_Params CreateDisplaySnapshotParams(
params.type = GetDisplayType(info->connector());
params.is_aspect_preserving_scaling =
IsAspectPreserving(fd, info->connector());
+ params.has_color_correction_matrix =
+ HasColorCorrectionMatrix(fd, info->crtc());
ScopedDrmPropertyBlobPtr edid_blob(
GetDrmPropertyBlob(fd, info->connector(), "EDID"));

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