--- /dev/null
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ gralloc.cpp \
+ Buffer.cpp \
+ BufferAllocator.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libcutils \
+ libutils \
+ libui
+
+LOCAL_MODULE:= test-opengl-gralloc
+
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_EXECUTABLE)
--- /dev/null
+/*
+ * Copyright (C) 2007 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 <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+#include <ui/PixelFormat.h>
+#include <pixelflinger/pixelflinger.h>
+
+#include "Buffer.h"
+#include "BufferAllocator.h"
+
+
+namespace android {
+
+// ===========================================================================
+// Buffer and implementation of android_native_buffer_t
+// ===========================================================================
+
+Buffer::Buffer()
+ : SurfaceBuffer(), mInitCheck(NO_ERROR), mVStride(0)
+{
+}
+
+Buffer::Buffer(uint32_t w, uint32_t h, PixelFormat format,
+ uint32_t reqUsage, uint32_t flags)
+ : SurfaceBuffer(), mInitCheck(NO_INIT), mVStride(0)
+{
+ mInitCheck = initSize(w, h, format, reqUsage, flags);
+}
+
+Buffer::~Buffer()
+{
+ if (handle) {
+ BufferAllocator& allocator(BufferAllocator::get());
+ allocator.free(handle);
+ }
+}
+
+status_t Buffer::initCheck() const {
+ return mInitCheck;
+}
+
+android_native_buffer_t* Buffer::getNativeBuffer() const
+{
+ return static_cast<android_native_buffer_t*>(const_cast<Buffer*>(this));
+}
+
+status_t Buffer::reallocate(uint32_t w, uint32_t h, PixelFormat f,
+ uint32_t reqUsage, uint32_t flags)
+{
+ if (handle) {
+ BufferAllocator& allocator(BufferAllocator::get());
+ allocator.free(handle);
+ handle = 0;
+ }
+ return initSize(w, h, f, reqUsage, flags);
+}
+
+status_t Buffer::initSize(uint32_t w, uint32_t h, PixelFormat format,
+ uint32_t reqUsage, uint32_t flags)
+{
+ status_t err = NO_ERROR;
+ BufferAllocator& allocator = BufferAllocator::get();
+ err = allocator.alloc(w, h, format, reqUsage, &handle, &stride);
+ if (err == NO_ERROR) {
+ this->width = w;
+ this->height = h;
+ this->format = format;
+ mVStride = 0;
+ }
+
+ return err;
+}
+
+status_t Buffer::lock(GGLSurface* sur, uint32_t usage)
+{
+ void* vaddr;
+ status_t res = SurfaceBuffer::lock(usage, &vaddr);
+ if (res == NO_ERROR && sur) {
+ sur->version = sizeof(GGLSurface);
+ sur->width = width;
+ sur->height = height;
+ sur->stride = stride;
+ sur->format = format;
+ sur->vstride = mVStride;
+ sur->data = static_cast<GGLubyte*>(vaddr);
+ }
+ return res;
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
--- /dev/null
+/*
+ * Copyright (C) 2007 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_LAYER_BITMAP_H
+#define ANDROID_LAYER_BITMAP_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <hardware/gralloc.h>
+
+#include <utils/Atomic.h>
+
+#include <private/ui/SurfaceBuffer.h>
+#include <ui/PixelFormat.h>
+#include <ui/Rect.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+struct android_native_buffer_t;
+
+namespace android {
+
+// ===========================================================================
+// Buffer
+// ===========================================================================
+
+class NativeBuffer;
+
+class Buffer : public SurfaceBuffer
+{
+public:
+ enum {
+ DONT_CLEAR = 0x00000001,
+ SECURE = 0x00000004
+ };
+
+ Buffer();
+
+ // creates w * h buffer
+ Buffer(uint32_t w, uint32_t h, PixelFormat format,
+ uint32_t reqUsage, uint32_t flags = 0);
+
+ // return status
+ status_t initCheck() const;
+
+ uint32_t getWidth() const { return width; }
+ uint32_t getHeight() const { return height; }
+ uint32_t getStride() const { return stride; }
+ uint32_t getUsage() const { return usage; }
+ PixelFormat getPixelFormat() const { return format; }
+ Rect getBounds() const { return Rect(width, height); }
+
+ status_t lock(GGLSurface* surface, uint32_t usage);
+
+ android_native_buffer_t* getNativeBuffer() const;
+
+ status_t reallocate(uint32_t w, uint32_t h, PixelFormat f,
+ uint32_t reqUsage, uint32_t flags);
+
+private:
+ friend class LightRefBase<Buffer>;
+ Buffer(const Buffer& rhs);
+ virtual ~Buffer();
+ Buffer& operator = (const Buffer& rhs);
+ const Buffer& operator = (const Buffer& rhs) const;
+
+ status_t initSize(uint32_t w, uint32_t h, PixelFormat format,
+ uint32_t reqUsage, uint32_t flags);
+
+ ssize_t mInitCheck;
+ uint32_t mVStride;
+};
+
+}; // namespace android
+
+#endif // ANDROID_LAYER_BITMAP_H
--- /dev/null
+/*
+**
+** Copyright 2009, 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 <sys/mman.h>
+#include <cutils/ashmem.h>
+#include <cutils/log.h>
+
+#include <utils/Singleton.h>
+#include <utils/String8.h>
+
+#include "BufferAllocator.h"
+
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE( BufferAllocator )
+
+Mutex BufferAllocator::sLock;
+KeyedVector<buffer_handle_t, BufferAllocator::alloc_rec_t> BufferAllocator::sAllocList;
+
+BufferAllocator::BufferAllocator()
+ : mAllocDev(0)
+{
+ hw_module_t const* module;
+ int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
+ LOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
+ if (err == 0) {
+ gralloc_open(module, &mAllocDev);
+ }
+}
+
+BufferAllocator::~BufferAllocator()
+{
+ gralloc_close(mAllocDev);
+}
+
+void BufferAllocator::dump(String8& result) const
+{
+ Mutex::Autolock _l(sLock);
+ KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+ size_t total = 0;
+ const size_t SIZE = 512;
+ char buffer[SIZE];
+ snprintf(buffer, SIZE, "Allocated buffers:\n");
+ result.append(buffer);
+ const size_t c = list.size();
+ for (size_t i=0 ; i<c ; i++) {
+ const alloc_rec_t& rec(list.valueAt(i));
+ snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u x %4u | %2d | 0x%08x\n",
+ list.keyAt(i), rec.size/1024.0f,
+ rec.w, rec.h, rec.format, rec.usage);
+ result.append(buffer);
+ total += rec.size;
+ }
+ snprintf(buffer, SIZE, "Total allocated: %.2f KB\n", total/1024.0f);
+ result.append(buffer);
+}
+
+static inline uint32_t clamp(uint32_t c) {
+ return c>0 ? c : 1;
+}
+
+status_t BufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
+ int usage, buffer_handle_t* handle, int32_t* stride)
+{
+ Mutex::Autolock _l(mLock);
+
+ // make sure to not allocate a 0 x 0 buffer
+ w = clamp(w);
+ h = clamp(h);
+
+ // we have a h/w allocator and h/w buffer is requested
+ status_t err = mAllocDev->alloc(mAllocDev,
+ w, h, format, usage, handle, stride);
+
+ LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
+ w, h, format, usage, err, strerror(-err));
+
+ if (err == NO_ERROR) {
+ Mutex::Autolock _l(sLock);
+ KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+ alloc_rec_t rec;
+ rec.w = w;
+ rec.h = h;
+ rec.format = format;
+ rec.usage = usage;
+ rec.vaddr = 0;
+ rec.size = h * stride[0] * bytesPerPixel(format);
+ list.add(*handle, rec);
+ } else {
+ String8 s;
+ dump(s);
+ LOGD("%s", s.string());
+ }
+
+ return err;
+}
+
+status_t BufferAllocator::free(buffer_handle_t handle)
+{
+ Mutex::Autolock _l(mLock);
+
+ status_t err = mAllocDev->free(mAllocDev, handle);
+ LOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err));
+
+ if (err == NO_ERROR) {
+ Mutex::Autolock _l(sLock);
+ KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+ list.removeItem(handle);
+ }
+
+ return err;
+}
+
+// ---------------------------------------------------------------------------
+}; // namespace android
--- /dev/null
+/*
+**
+** Copyright 2009, 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_BUFFER_ALLOCATOR_H
+#define ANDROID_BUFFER_ALLOCATOR_H
+
+#include <stdint.h>
+
+#include <cutils/native_handle.h>
+
+#include <utils/Errors.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/Singleton.h>
+
+#include <ui/PixelFormat.h>
+
+#include <hardware/gralloc.h>
+
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+class String8;
+
+class BufferAllocator : public Singleton<BufferAllocator>
+{
+public:
+ enum {
+ USAGE_SW_READ_NEVER = GRALLOC_USAGE_SW_READ_NEVER,
+ USAGE_SW_READ_RARELY = GRALLOC_USAGE_SW_READ_RARELY,
+ USAGE_SW_READ_OFTEN = GRALLOC_USAGE_SW_READ_OFTEN,
+ USAGE_SW_READ_MASK = GRALLOC_USAGE_SW_READ_MASK,
+
+ USAGE_SW_WRITE_NEVER = GRALLOC_USAGE_SW_WRITE_NEVER,
+ USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY,
+ USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN,
+ USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK,
+
+ USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK,
+
+ USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE,
+ USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER,
+ USAGE_HW_2D = GRALLOC_USAGE_HW_2D,
+ USAGE_HW_MASK = GRALLOC_USAGE_HW_MASK
+ };
+
+ static inline BufferAllocator& get() { return getInstance(); }
+
+
+ status_t alloc(uint32_t w, uint32_t h, PixelFormat format, int usage,
+ buffer_handle_t* handle, int32_t* stride);
+
+ status_t free(buffer_handle_t handle);
+
+ void dump(String8& res) const;
+
+private:
+ struct alloc_rec_t {
+ uint32_t w;
+ uint32_t h;
+ PixelFormat format;
+ uint32_t usage;
+ void* vaddr;
+ size_t size;
+ };
+
+ static Mutex sLock;
+ static KeyedVector<buffer_handle_t, alloc_rec_t> sAllocList;
+
+ friend class Singleton<BufferAllocator>;
+ BufferAllocator();
+ ~BufferAllocator();
+
+ mutable Mutex mLock;
+ alloc_device_t *mAllocDev;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_BUFFER_ALLOCATOR_H
--- /dev/null
+/*
+ **
+ ** Copyright 2009, 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.
+ */
+
+#define LOG_TAG "StopWatch"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <utils/StopWatch.h>
+#include <utils/Log.h>
+
+#include "Buffer.h"
+#include <ui/BufferMapper.h>
+
+using namespace android;
+
+void* lamecpy(void* d, void const* s, size_t size) {
+ char* dst = (char*)d;
+ char const* src = (char const*)s;
+ while (size) {
+ *dst++ = *src++;
+ size--;
+ }
+ return d;
+}
+
+int main(int argc, char** argv)
+{
+ size_t size = 128*256*4;
+ void* temp = malloc(size);
+ void* temp2 = malloc(size);
+ memset(temp, 0, size);
+ memset(temp2, 0, size);
+
+
+ sp<Buffer> buffer = new Buffer(128, 256, HAL_PIXEL_FORMAT_RGBA_8888,
+ GRALLOC_USAGE_SW_READ_OFTEN |
+ GRALLOC_USAGE_SW_WRITE_OFTEN);
+
+ status_t err = buffer->initCheck();
+ if (err != NO_ERROR) {
+ printf("%s\n", strerror(-err));
+ return 0;
+ }
+
+ void* vaddr;
+ buffer->SurfaceBuffer::lock(
+ GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
+ &vaddr);
+
+ {
+ StopWatch watch("memset");
+ for (int i=0 ; i<10 ; i++)
+ memset(vaddr, 0, size);
+ }
+
+ {
+ StopWatch watch("memcpy baseline");
+ for (int i=0 ; i<10 ; i++)
+ memcpy(temp, temp2, size);
+ }
+
+ {
+ StopWatch watch("memcpy from gralloc");
+ for (int i=0 ; i<10 ; i++)
+ memcpy(temp, vaddr, size);
+ }
+
+ {
+ StopWatch watch("memcpy into gralloc");
+ for (int i=0 ; i<10 ; i++)
+ memcpy(vaddr, temp, size);
+ }
+
+
+ {
+ StopWatch watch("lamecpy baseline");
+ for (int i=0 ; i<10 ; i++)
+ lamecpy(temp, temp2, size);
+ }
+
+ {
+ StopWatch watch("lamecpy from gralloc");
+ for (int i=0 ; i<10 ; i++)
+ lamecpy(temp, vaddr, size);
+ }
+
+ {
+ StopWatch watch("lamecpy into gralloc");
+ for (int i=0 ; i<10 ; i++)
+ lamecpy(vaddr, temp, size);
+ }
+
+ buffer->unlock();
+
+ return 0;
+}
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