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
diff --git a/drmcrtc.h b/drmcrtc.h
new file mode 100644
index 0000000..cf4ec65
--- /dev/null
+++ b/drmcrtc.h
@@ -0,0 +1,62 @@
+/*
+ * 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_CRTC_H_
+#define ANDROID_DRM_CRTC_H_
+
+#include "drmmode.h"
+
+#include <stdint.h>
+#include <xf86drmMode.h>
+
+namespace android {
+
+class DrmCrtc {
+ public:
+ DrmCrtc(drmModeCrtcPtr c, unsigned pipe);
+ ~DrmCrtc();
+
+ uint32_t id() const;
+ unsigned pipe() const;
+
+ bool requires_modeset() const;
+ void set_requires_modeset(bool requires_modeset);
+
+ int display() const;
+ void set_display(int display);
+
+ bool can_bind(int display) const;
+
+ private:
+ DrmCrtc(const DrmCrtc &);
+
+ uint32_t id_;
+ unsigned pipe_;
+ int display_;
+
+ bool requires_modeset_;
+
+ uint32_t x_;
+ uint32_t y_;
+ uint32_t width_;
+ uint32_t height_;
+
+ DrmMode mode_;
+ bool modeValid_;
+};
+}
+
+#endif // ANDROID_DRM_CRTC_H_