Add m-esr52 at 52.6.0

3 files changed, 418 insertions, 0 deletions

diff --git a/widget/gonk/hwchal/HwcHAL.cpp b/widget/gonk/hwchal/HwcHAL.cpp
new file mode 100644
index 000000000..1793b75e6
--- /dev/null
+++ b/widget/gonk/hwchal/HwcHAL.cpp
@@ -0,0 +1,214 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 sts=4 et: */
+/*
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * 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 "HwcHAL.h"
+#include "libdisplay/GonkDisplay.h"
+#include "mozilla/Assertions.h"
+
+namespace mozilla {
+
+HwcHAL::HwcHAL()
+    : HwcHALBase()
+{
+    // Some HALs don't want to open hwc twice.
+    // If GetDisplay already load hwc module, we don't need to load again
+    mHwc = (HwcDevice*)GetGonkDisplay()->GetHWCDevice();
+    if (!mHwc) {
+        printf_stderr("HwcHAL Error: Cannot load hwcomposer");
+        return;
+    }
+}
+
+HwcHAL::~HwcHAL()
+{
+    mHwc = nullptr;
+}
+
+bool
+HwcHAL::Query(QueryType aType)
+{
+    if (!mHwc || !mHwc->query) {
+        return false;
+    }
+
+    bool value = false;
+    int supported = 0;
+    if (mHwc->query(mHwc, static_cast<int>(aType), &supported) == 0/*android::NO_ERROR*/) {
+        value = !!supported;
+    }
+    return value;
+}
+
+int
+HwcHAL::Set(HwcList *aList,
+            uint32_t aDisp)
+{
+    MOZ_ASSERT(mHwc);
+    if (!mHwc) {
+        return -1;
+    }
+
+    HwcList *displays[HWC_NUM_DISPLAY_TYPES] = { nullptr };
+    displays[aDisp] = aList;
+    return mHwc->set(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
+}
+
+int
+HwcHAL::ResetHwc()
+{
+    return Set(nullptr, HWC_DISPLAY_PRIMARY);
+}
+
+int
+HwcHAL::Prepare(HwcList *aList,
+                uint32_t aDisp,
+                hwc_rect_t aDispRect,
+                buffer_handle_t aHandle,
+                int aFenceFd)
+{
+    MOZ_ASSERT(mHwc);
+    if (!mHwc) {
+        printf_stderr("HwcHAL Error: HwcDevice doesn't exist. A fence might be leaked.");
+        return -1;
+    }
+
+    HwcList *displays[HWC_NUM_DISPLAY_TYPES] = { nullptr };
+    displays[aDisp] = aList;
+#if ANDROID_VERSION >= 18
+    aList->outbufAcquireFenceFd = -1;
+    aList->outbuf = nullptr;
+#endif
+    aList->retireFenceFd = -1;
+
+    const auto idx = aList->numHwLayers - 1;
+    aList->hwLayers[idx].hints = 0;
+    aList->hwLayers[idx].flags = 0;
+    aList->hwLayers[idx].transform = 0;
+    aList->hwLayers[idx].handle = aHandle;
+    aList->hwLayers[idx].blending = HWC_BLENDING_PREMULT;
+    aList->hwLayers[idx].compositionType = HWC_FRAMEBUFFER_TARGET;
+    SetCrop(aList->hwLayers[idx], aDispRect);
+    aList->hwLayers[idx].displayFrame = aDispRect;
+    aList->hwLayers[idx].visibleRegionScreen.numRects = 1;
+    aList->hwLayers[idx].visibleRegionScreen.rects = &aList->hwLayers[idx].displayFrame;
+    aList->hwLayers[idx].acquireFenceFd = aFenceFd;
+    aList->hwLayers[idx].releaseFenceFd = -1;
+#if ANDROID_VERSION >= 18
+    aList->hwLayers[idx].planeAlpha = 0xFF;
+#endif
+    return mHwc->prepare(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
+}
+
+bool
+HwcHAL::SupportTransparency() const
+{
+#if ANDROID_VERSION >= 18
+    return true;
+#endif
+    return false;
+}
+
+uint32_t
+HwcHAL::GetGeometryChangedFlag(bool aGeometryChanged) const
+{
+#if ANDROID_VERSION >= 19
+    return aGeometryChanged ? HWC_GEOMETRY_CHANGED : 0;
+#else
+    return HWC_GEOMETRY_CHANGED;
+#endif
+}
+
+void
+HwcHAL::SetCrop(HwcLayer &aLayer,
+                const hwc_rect_t &aSrcCrop) const
+{
+    if (GetAPIVersion() >= HwcAPIVersion(1, 3)) {
+#if ANDROID_VERSION >= 19
+        aLayer.sourceCropf.left = aSrcCrop.left;
+        aLayer.sourceCropf.top = aSrcCrop.top;
+        aLayer.sourceCropf.right = aSrcCrop.right;
+        aLayer.sourceCropf.bottom = aSrcCrop.bottom;
+#endif
+    } else {
+        aLayer.sourceCrop = aSrcCrop;
+    }
+}
+
+bool
+HwcHAL::EnableVsync(bool aEnable)
+{
+    // Only support hardware vsync on kitkat, L and up due to inaccurate timings
+    // with JellyBean.
+#if (ANDROID_VERSION == 19 || ANDROID_VERSION >= 21)
+    if (!mHwc) {
+        return false;
+    }
+    return !mHwc->eventControl(mHwc,
+                               HWC_DISPLAY_PRIMARY,
+                               HWC_EVENT_VSYNC,
+                               aEnable);
+#else
+    return false;
+#endif
+}
+
+bool
+HwcHAL::RegisterHwcEventCallback(const HwcHALProcs_t &aProcs)
+{
+    if (!mHwc || !mHwc->registerProcs) {
+        printf_stderr("Failed to get hwc\n");
+        return false;
+    }
+
+    // Disable Vsync first, and then register callback functions.
+    mHwc->eventControl(mHwc,
+                       HWC_DISPLAY_PRIMARY,
+                       HWC_EVENT_VSYNC,
+                       false);
+    static const hwc_procs_t sHwcJBProcs = {aProcs.invalidate,
+                                            aProcs.vsync,
+                                            aProcs.hotplug};
+    mHwc->registerProcs(mHwc, &sHwcJBProcs);
+
+    // Only support hardware vsync on kitkat, L and up due to inaccurate timings
+    // with JellyBean.
+#if (ANDROID_VERSION == 19 || ANDROID_VERSION >= 21)
+    return true;
+#else
+    return false;
+#endif
+}
+
+uint32_t
+HwcHAL::GetAPIVersion() const
+{
+    if (!mHwc) {
+        // default value: HWC_MODULE_API_VERSION_0_1
+        return 1;
+    }
+    return mHwc->common.version;
+}
+
+// Create HwcHAL
+UniquePtr<HwcHALBase>
+HwcHALBase::CreateHwcHAL()
+{
+    return Move(MakeUnique<HwcHAL>());
+}
+
+} // namespace mozilla
diff --git a/widget/gonk/hwchal/HwcHAL.h b/widget/gonk/hwchal/HwcHAL.h
new file mode 100644
index 000000000..05cb6a45f
--- /dev/null
+++ b/widget/gonk/hwchal/HwcHAL.h
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 sts=4 et: */
+/*
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * 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 mozilla_HwcHAL
+#define mozilla_HwcHAL
+
+#include "HwcHALBase.h"
+
+namespace mozilla {
+
+class HwcHAL final : public HwcHALBase {
+public:
+    explicit HwcHAL();
+
+    virtual ~HwcHAL();
+
+    virtual bool HasHwc() const override { return static_cast<bool>(mHwc); }
+
+    virtual void SetEGLInfo(hwc_display_t aDpy,
+                            hwc_surface_t aSur) override { }
+
+    virtual bool Query(QueryType aType) override;
+
+    virtual int Set(HwcList *aList,
+                    uint32_t aDisp) override;
+
+    virtual int ResetHwc() override;
+
+    virtual int Prepare(HwcList *aList,
+                        uint32_t aDisp,
+                        hwc_rect_t aDispRect,
+                        buffer_handle_t aHandle,
+                        int aFenceFd) override;
+
+    virtual bool SupportTransparency() const override;
+
+    virtual uint32_t GetGeometryChangedFlag(bool aGeometryChanged) const override;
+
+    virtual void SetCrop(HwcLayer &aLayer,
+                         const hwc_rect_t &aSrcCrop) const override;
+
+    virtual bool EnableVsync(bool aEnable) override;
+
+    virtual bool RegisterHwcEventCallback(const HwcHALProcs_t &aProcs) override;
+
+private:
+    uint32_t GetAPIVersion() const;
+
+private:
+    HwcDevice  *mHwc = nullptr;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_HwcHAL
diff --git a/widget/gonk/hwchal/HwcHALBase.h b/widget/gonk/hwchal/HwcHALBase.h
new file mode 100644
index 000000000..0ef00a325
--- /dev/null
+++ b/widget/gonk/hwchal/HwcHALBase.h
@@ -0,0 +1,134 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 sts=4 et: */
+/*
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * 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 mozilla_HwcHALBase
+#define mozilla_HwcHALBase
+
+#include "mozilla/UniquePtr.h"
+#include "nsRect.h"
+
+#include <hardware/hwcomposer.h>
+
+#ifndef HWC_BLIT
+#if ANDROID_VERSION >= 21
+#define HWC_BLIT 0xFF
+#elif ANDROID_VERSION >= 17
+#define HWC_BLIT (HWC_FRAMEBUFFER_TARGET + 1)
+#else
+// ICS didn't support this. However, we define this
+// for passing compilation
+#define HWC_BLIT 0xFF
+#endif // #if ANDROID_VERSION
+#endif // #ifndef HWC_BLIT
+
+namespace mozilla {
+
+#if ANDROID_VERSION >= 17
+using HwcDevice = hwc_composer_device_1_t;
+using HwcList   = hwc_display_contents_1_t;
+using HwcLayer  = hwc_layer_1_t;
+#else
+using HwcDevice = hwc_composer_device_t;
+using HwcList   = hwc_layer_list_t;
+using HwcLayer  = hwc_layer_t;
+#endif
+
+// HwcHAL definition for HwcEvent callback types
+// Note: hwc_procs is different between ICS and later,
+//       and the signature of invalidate is also different.
+//       Use this wrap struct to hide the detail. BTW,
+//       we don't have to register callback functions on ICS, so
+//       there is no callbacks for ICS in HwcHALProcs.
+typedef struct HwcHALProcs {
+    void (*invalidate)(const struct hwc_procs* procs);
+    void (*vsync)(const struct hwc_procs* procs, int disp, int64_t timestamp);
+    void (*hotplug)(const struct hwc_procs* procs, int disp, int connected);
+} HwcHALProcs_t;
+
+// HwcHAL class
+// This class handle all the HAL related work
+// The purpose of HwcHAL is to make HwcComposer2D simpler.
+class HwcHALBase {
+
+public:
+    // Query Types. We can add more types easily in the future
+    enum class QueryType {
+        COLOR_FILL = 0x8,
+        RB_SWAP = 0x40
+    };
+
+public:
+    explicit HwcHALBase() = default;
+
+    virtual ~HwcHALBase() {}
+
+    // Create HwcHAL module, Only HwcComposer2D calls this.
+    // If other modules want to use HwcHAL, please use APIs in
+    // HwcComposer2D
+    static UniquePtr<HwcHALBase> CreateHwcHAL();
+
+    // Check if mHwc exists
+    virtual bool HasHwc() const = 0;
+
+    // Set EGL info (only ICS need this info)
+    virtual void SetEGLInfo(hwc_display_t aEGLDisplay,
+                            hwc_surface_t aEGLSurface) = 0;
+
+    // HwcDevice query properties
+    virtual bool Query(QueryType aType) = 0;
+
+    // HwcDevice set
+    virtual int Set(HwcList *aList,
+                    uint32_t aDisp) = 0;
+
+    // Reset HwcDevice
+    virtual int ResetHwc() = 0;
+
+    // HwcDevice prepare
+    virtual int Prepare(HwcList *aList,
+                        uint32_t aDisp,
+                        hwc_rect_t aDispRect,
+                        buffer_handle_t aHandle,
+                        int aFenceFd) = 0;
+
+    // Check transparency support
+    virtual bool SupportTransparency() const = 0;
+
+    // Get a geometry change flag
+    virtual uint32_t GetGeometryChangedFlag(bool aGeometryChanged) const = 0;
+
+    // Set crop help
+    virtual void SetCrop(HwcLayer &aLayer,
+                         const hwc_rect_t &aSrcCrop) const = 0;
+
+    // Enable HW Vsync
+    virtual bool EnableVsync(bool aEnable) = 0;
+
+    // Register HW event callback functions
+    virtual bool RegisterHwcEventCallback(const HwcHALProcs_t &aProcs) = 0;
+
+protected:
+    constexpr static uint32_t HwcAPIVersion(uint32_t aMaj, uint32_t aMin) {
+        // HARDWARE_MAKE_API_VERSION_2, from Android hardware.h
+        return (((aMaj & 0xff) << 24) | ((aMin & 0xff) << 16) | (1 & 0xffff));
+    }
+};
+
+} // namespace mozilla
+
+#endif // mozilla_HwcHALBase