drm_hwcomposer: Wrap libdrm ops (minus modeset/flip) in C++ classes

This allows us to compartmentalize a bunch of code/logic from
hwcomposer.cpp into drm classes.

Signed-off-by: Sean Paul <seanpaul@chromium.org>

Change-Id: Id3f912126f1fdcd44d32c3eb4fba646f77590278

1 files changed, 83 insertions, 0 deletions

diff --git a/drmmode.h b/drmmode.h
new file mode 100644
index 0000000..9e333bd
--- /dev/null
+++ b/drmmode.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_DRM_MODE_H_
+#define ANDROID_DRM_MODE_H_
+
+#include <stdint.h>
+#include <string>
+#include <xf86drmMode.h>
+
+namespace android {
+
+class DrmMode {
+ public:
+  DrmMode(drmModeModeInfoPtr m);
+  DrmMode();
+  ~DrmMode();
+
+  bool operator==(const drmModeModeInfo &m) const;
+  void ToModeModeInfo(drmModeModeInfo *m) const;
+
+  uint32_t id() const;
+  void set_id(uint32_t id);
+
+  uint32_t clock() const;
+
+  uint32_t h_display() const;
+  uint32_t h_sync_start() const;
+  uint32_t h_sync_end() const;
+  uint32_t h_total() const;
+  uint32_t h_skew() const;
+
+  uint32_t v_display() const;
+  uint32_t v_sync_start() const;
+  uint32_t v_sync_end() const;
+  uint32_t v_total() const;
+  uint32_t v_scan() const;
+  uint32_t v_refresh() const;
+
+  uint32_t flags() const;
+  uint32_t type() const;
+
+  std::string name() const;
+
+ private:
+  uint32_t id_;
+
+  uint32_t clock_;
+
+  uint32_t h_display_;
+  uint32_t h_sync_start_;
+  uint32_t h_sync_end_;
+  uint32_t h_total_;
+  uint32_t h_skew_;
+
+  uint32_t v_display_;
+  uint32_t v_sync_start_;
+  uint32_t v_sync_end_;
+  uint32_t v_total_;
+  uint32_t v_scan_;
+  uint32_t v_refresh_;
+
+  uint32_t flags_;
+  uint32_t type_;
+
+  std::string name_;
+};
+}
+
+#endif  // ANDROID_DRM_MODE_H_