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, 56 insertions, 0 deletions

diff --git a/drmencoder.cpp b/drmencoder.cpp
new file mode 100644
index 0000000..39ab88b
--- /dev/null
+++ b/drmencoder.cpp
@@ -0,0 +1,56 @@
+/*
+ * 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.
+ */
+
+#include "drmcrtc.h"
+#include "drmencoder.h"
+#include "drmresources.h"
+
+#include <stdint.h>
+#include <xf86drmMode.h>
+
+namespace android {
+
+DrmEncoder::DrmEncoder(drmModeEncoderPtr e, DrmCrtc *current_crtc,
+                       const std::vector<DrmCrtc *> &possible_crtcs)
+    : id_(e->encoder_id),
+      crtc_(current_crtc),
+      type_(e->encoder_type),
+      possible_crtcs_(possible_crtcs) {
+}
+
+DrmEncoder::~DrmEncoder() {
+}
+
+uint32_t DrmEncoder::id() const {
+  return id_;
+}
+
+DrmCrtc *DrmEncoder::crtc() const {
+  return crtc_;
+}
+
+void DrmEncoder::set_crtc(DrmCrtc *crtc) {
+  crtc_ = crtc;
+}
+
+DrmEncoder::CrtcIter DrmEncoder::begin_possible_crtcs() const {
+  return possible_crtcs_.begin();
+}
+
+DrmEncoder::CrtcIter DrmEncoder::end_possible_crtcs() const {
+  return possible_crtcs_.end();
+}
+}