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authorTao Bao <tbao@google.com>2017-02-13 19:36:46 +0100
committerandroid-build-merger <android-build-merger@google.com>2017-02-13 19:36:46 +0100
commit1cb8964aac8e54137328b1e5b6a0b062d2b98b2a (patch)
tree9842f950b9bd3a8100fccaec5b3a2bce10350e06 /minui/graphics_drm.h
parentMerge "minui: Save errno before calling close()." am: df464dbe79 am: 8075089ca1 (diff)
parentMerge "minui: Move graphics_{adf,drm,fbdev} into classes." am: 0d14cc279c (diff)
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Diffstat (limited to 'minui/graphics_drm.h')
-rw-r--r--minui/graphics_drm.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/minui/graphics_drm.h b/minui/graphics_drm.h
new file mode 100644
index 000000000..de9621205
--- /dev/null
+++ b/minui/graphics_drm.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_DRM_H_
+#define _GRAPHICS_DRM_H_
+
+#include <stdint.h>
+
+#include <xf86drmMode.h>
+
+#include "graphics.h"
+#include "minui/minui.h"
+
+class GRSurfaceDrm : public GRSurface {
+ private:
+ uint32_t fb_id;
+ uint32_t handle;
+
+ friend class MinuiBackendDrm;
+};
+
+class MinuiBackendDrm : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendDrm() override;
+ MinuiBackendDrm();
+
+ private:
+ void DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc);
+ void DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, GRSurfaceDrm* surface);
+ GRSurfaceDrm* DrmCreateSurface(int width, int height);
+ void DrmDestroySurface(GRSurfaceDrm* surface);
+ void DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc);
+ drmModeConnector* FindMainMonitor(int fd, drmModeRes* resources, uint32_t* mode_index);
+
+ GRSurfaceDrm* GRSurfaceDrms[2];
+ int current_buffer;
+ drmModeCrtc* main_monitor_crtc;
+ drmModeConnector* main_monitor_connector;
+ int drm_fd;
+};
+
+#endif // _GRAPHICS_DRM_H_