minui: Move graphics_{adf,drm,fbdev} into classes.
This CL defines minui_backend as an interface, and expresses the three
backends (adf, drm and fbdev) as subclasses to the interface.
Test: 'Run graphics test' on N9, Pixel C and N5X.
Change-Id: I0e23951c7b2e2ff918957a8d9fc8b0085b6e5952
diff --git a/minui/graphics_adf.h b/minui/graphics_adf.h
new file mode 100644
index 0000000..2f019ed
--- /dev/null
+++ b/minui/graphics_adf.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 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 _GRAPHICS_ADF_H_
+#define _GRAPHICS_ADF_H_
+
+#include <adf/adf.h>
+
+#include "graphics.h"
+
+class GRSurfaceAdf : public GRSurface {
+ private:
+ int fence_fd;
+ int fd;
+ __u32 offset;
+ __u32 pitch;
+
+ friend class MinuiBackendAdf;
+};
+
+class MinuiBackendAdf : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendAdf() override;
+ MinuiBackendAdf();
+
+ private:
+ int SurfaceInit(const drm_mode_modeinfo* mode, GRSurfaceAdf* surf);
+ int InterfaceInit();
+ int DeviceInit(adf_device* dev);
+ void SurfaceDestroy(GRSurfaceAdf* surf);
+ void Sync(GRSurfaceAdf* surf);
+
+ int intf_fd;
+ adf_id_t eng_id;
+ __u32 format;
+ adf_device dev;
+ unsigned int current_surface;
+ unsigned int n_surfaces;
+ GRSurfaceAdf surfaces[2];
+};
+
+#endif // _GRAPHICS_ADF_H_