call into hwcomposer HAL when present
Change-Id: I70f31c69a9436a43860e78977442863ecba6d27b
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
index 2eac0a8..166c528 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
@@ -36,11 +36,11 @@
#include "DisplayHardware/DisplayHardware.h"
-#include <hardware/copybit.h>
#include <hardware/overlay.h>
#include <hardware/gralloc.h>
#include "GLExtensions.h"
+#include "HWComposer.h"
using namespace android;
@@ -76,7 +76,7 @@
const sp<SurfaceFlinger>& flinger,
uint32_t dpy)
: DisplayHardwareBase(flinger, dpy),
- mFlags(0)
+ mFlags(0), mHwc(0)
{
init(dpy);
}
@@ -262,6 +262,17 @@
// Unbind the context from this thread
eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+
+ // initialize the H/W composer
+ mHwc = new HWComposer();
+ if (mHwc->initCheck() == NO_ERROR) {
+ mHwc->setFrameBuffer(mDisplay, mSurface);
+ }
+}
+
+HWComposer& DisplayHardware::getHwComposer() const {
+ return *mHwc;
}
/*
@@ -317,7 +328,12 @@
}
mPageFlipCount++;
- eglSwapBuffers(dpy, surface);
+
+ if (mHwc->initCheck() == NO_ERROR) {
+ mHwc->commit();
+ } else {
+ eglSwapBuffers(dpy, surface);
+ }
checkEGLErrors("eglSwapBuffers");
// for debugging
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardware.h b/services/surfaceflinger/DisplayHardware/DisplayHardware.h
index 66bf521..f2cfd2d 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardware.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardware.h
@@ -34,12 +34,11 @@
#include "DisplayHardware/DisplayHardwareBase.h"
struct overlay_control_device_t;
-struct framebuffer_device_t;
-struct copybit_image_t;
namespace android {
class FramebufferNativeWindow;
+class HWComposer;
class DisplayHardware : public DisplayHardwareBase
{
@@ -80,6 +79,9 @@
uint32_t getPageFlipCount() const;
EGLDisplay getEGLDisplay() const { return mDisplay; }
overlay_control_device_t* getOverlayEngine() const { return mOverlayEngine; }
+
+ // Hardware Composer
+ HWComposer& getHwComposer() const;
status_t compositionComplete() const;
@@ -107,6 +109,8 @@
GLint mMaxViewportDims;
GLint mMaxTextureSize;
+ HWComposer* mHwc;
+
sp<FramebufferNativeWindow> mNativeWindow;
overlay_control_device_t* mOverlayEngine;
};
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
new file mode 100644
index 0000000..518c5fe
--- /dev/null
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2010 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 <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+
+#include <hardware/hardware.h>
+
+#include <cutils/log.h>
+
+#include <EGL/egl.h>
+
+#include "HWComposer.h"
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+HWComposer::HWComposer()
+ : mModule(0), mHwc(0), mList(0),
+ mDpy(EGL_NO_DISPLAY), mSur(EGL_NO_SURFACE)
+{
+ int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
+ LOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
+ if (err == 0) {
+ err = hwc_open(mModule, &mHwc);
+ LOGE_IF(err, "%s device failed to initialize (%s)",
+ HWC_HARDWARE_COMPOSER, strerror(-err));
+ }
+}
+
+HWComposer::~HWComposer() {
+ free(mList);
+ if (mHwc) {
+ hwc_close(mHwc);
+ }
+}
+
+status_t HWComposer::initCheck() const {
+ return mHwc ? NO_ERROR : NO_INIT;
+}
+
+void HWComposer::setFrameBuffer(EGLDisplay dpy, EGLSurface sur) {
+ mDpy = (hwc_display_t)dpy;
+ mSur = (hwc_surface_t)sur;
+}
+
+status_t HWComposer::createWorkList(size_t numLayers) {
+ if (mHwc && (!mList || mList->numHwLayers < numLayers)) {
+ free(mList);
+ size_t size = sizeof(hwc_layer_list) + numLayers*sizeof(hwc_layer_t);
+ mList = (hwc_layer_list_t*)malloc(size);
+ mList->flags = HWC_GEOMETRY_CHANGED;
+ mList->numHwLayers = numLayers;
+ }
+ return NO_ERROR;
+}
+
+status_t HWComposer::prepare() const {
+ int err = mHwc->prepare(mHwc, mList);
+ return (status_t)err;
+}
+
+status_t HWComposer::commit() const {
+ int err = mHwc->set(mHwc, mDpy, mSur, mList);
+ mList->flags &= ~HWC_GEOMETRY_CHANGED;
+ return (status_t)err;
+}
+
+HWComposer::iterator HWComposer::begin() {
+ return mList ? &(mList->hwLayers[0]) : NULL;
+}
+
+HWComposer::iterator HWComposer::end() {
+ return mList ? &(mList->hwLayers[mList->numHwLayers]) : NULL;
+}
+
+// ---------------------------------------------------------------------------
+}; // namespace android
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
new file mode 100644
index 0000000..729f23b
--- /dev/null
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2010 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_SF_HWCOMPOSER_H
+#define ANDROID_SF_HWCOMPOSER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <EGL/egl.h>
+
+#include <hardware/hwcomposer.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+class HWComposer
+{
+public:
+
+ HWComposer();
+ ~HWComposer();
+
+ status_t initCheck() const;
+
+ // tells the HAL what the framebuffer is
+ void setFrameBuffer(EGLDisplay dpy, EGLSurface sur);
+
+ // create a work list for numLayers layer
+ status_t createWorkList(size_t numLayers);
+
+ // Asks the HAL what it can do
+ status_t prepare() const;
+
+ // commits the list
+ status_t commit() const;
+
+
+ typedef hwc_layer_t const * const_iterator;
+ typedef hwc_layer_t* iterator;
+
+ iterator begin();
+ iterator end();
+
+private:
+ hw_module_t const* mModule;
+ hwc_composer_device_t* mHwc;
+ hwc_layer_list_t* mList;
+ hwc_display_t mDpy;
+ hwc_surface_t mSur;
+};
+
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_SF_HWCOMPOSER_H