From 0ea56cc075a9217314be69d1056d9a2abcd921c5 Mon Sep 17 00:00:00 2001
From: Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
Date: Sat, 1 Aug 2015 07:00:22 +0200
Subject: [PATCH] eglfs_kms: Subpixel antialiasing type

[ChangeLog][QPA][eglfs][kms] Provide subpixel antialiasing type.

Change-Id: I1eed487cea675d988a128f63a9d5c2c0ddeae21f
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
---
 .../eglfs_kms/qeglfskmsdevice.cpp              |  1 +
 .../eglfs_kms/qeglfskmsscreen.cpp              | 18 ++++++++++++++++++
 .../eglfs_kms/qeglfskmsscreen.h                |  3 +++
 3 files changed, 22 insertions(+)

diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsdevice.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsdevice.cpp
index f3df1f8445..7528d9fe2e 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsdevice.cpp
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsdevice.cpp
@@ -284,6 +284,7 @@ QEglFSKmsScreen *QEglFSKmsDevice::screenForConnector(drmModeResPtr resources, dr
         false,
         drmModeGetCrtc(m_dri_fd, crtc_id),
         modes,
+        connector->subpixel,
         connectorProperty(connector, QByteArrayLiteral("DPMS"))
     };
 
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.cpp
index 227c8f9a62..d2a86c1e25 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.cpp
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.cpp
@@ -321,6 +321,24 @@ qreal QEglFSKmsScreen::refreshRate() const
     return refresh > 0 ? refresh : 60;
 }
 
+QPlatformScreen::SubpixelAntialiasingType QEglFSKmsScreen::subpixelAntialiasingTypeHint() const
+{
+    switch (m_output.subpixel) {
+    default:
+    case DRM_MODE_SUBPIXEL_UNKNOWN:
+    case DRM_MODE_SUBPIXEL_NONE:
+        return Subpixel_None;
+    case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
+        return Subpixel_RGB;
+    case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
+        return Subpixel_BGR;
+    case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
+        return Subpixel_VRGB;
+    case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
+        return Subpixel_VBGR;
+    }
+}
+
 QPlatformScreen::PowerState QEglFSKmsScreen::powerState() const
 {
     return m_powerState;
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.h b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.h
index 2ce8700478..7fd6ccaa31 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.h
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsscreen.h
@@ -60,6 +60,7 @@ struct QEglFSKmsOutput
     bool mode_set;
     drmModeCrtcPtr saved_crtc;
     QList<drmModeModeInfo> modes;
+    int subpixel;
     drmModePropertyPtr dpms_prop;
 };
 
@@ -104,6 +105,8 @@ public:
     QEglFSKmsOutput &output() { return m_output; }
     void restoreMode();
 
+    SubpixelAntialiasingType subpixelAntialiasingTypeHint() const Q_DECL_OVERRIDE;
+
     QPlatformScreen::PowerState powerState() const Q_DECL_OVERRIDE;
     void setPowerState(QPlatformScreen::PowerState state) Q_DECL_OVERRIDE;