367 lines
10 KiB
C++
367 lines
10 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#define LOG_TAG "SurfaceFlinger"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <math.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <utils/Errors.h>
|
|
#include <utils/Log.h>
|
|
#include <utils/StopWatch.h>
|
|
|
|
#include <ui/PixelFormat.h>
|
|
#include <ui/EGLDisplaySurface.h>
|
|
|
|
#include "LayerBuffer.h"
|
|
#include "SurfaceFlinger.h"
|
|
#include "VRamHeap.h"
|
|
#include "DisplayHardware/DisplayHardware.h"
|
|
|
|
|
|
namespace android {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
const uint32_t LayerBuffer::typeInfo = LayerBaseClient::typeInfo | 0x20;
|
|
const char* const LayerBuffer::typeID = "LayerBuffer";
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
LayerBuffer::LayerBuffer(SurfaceFlinger* flinger, DisplayID display,
|
|
Client* client, int32_t i)
|
|
: LayerBaseClient(flinger, display, client, i),
|
|
mBuffer(0), mTextureName(-1U), mInvalidate(false), mNeedsBlending(false)
|
|
{
|
|
}
|
|
|
|
LayerBuffer::~LayerBuffer()
|
|
{
|
|
sp<SurfaceBuffer> s(getClientSurface());
|
|
if (s != 0) {
|
|
s->disown();
|
|
mClientSurface.clear();
|
|
}
|
|
|
|
// this should always be called from the OpenGL thread
|
|
if (mTextureName != -1U) {
|
|
//glDeleteTextures(1, &mTextureName);
|
|
deletedTextures.add(mTextureName);
|
|
}
|
|
// to help debugging we set those to zero
|
|
mWidth = mHeight = 0;
|
|
}
|
|
|
|
bool LayerBuffer::needsBlending() const
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
return mNeedsBlending;
|
|
}
|
|
|
|
void LayerBuffer::onDraw(const Region& clip) const
|
|
{
|
|
sp<Buffer> buffer(getBuffer());
|
|
if (UNLIKELY(buffer == 0)) {
|
|
// nothing to do, we don't have a buffer
|
|
clearWithOpenGL(clip);
|
|
return;
|
|
}
|
|
|
|
status_t err = NO_ERROR;
|
|
NativeBuffer src(buffer->getBuffer());
|
|
const int can_use_copybit = canUseCopybit();
|
|
|
|
if (can_use_copybit) {
|
|
//StopWatch watch("MDP");
|
|
|
|
const int src_width = src.crop.r - src.crop.l;
|
|
const int src_height = src.crop.b - src.crop.t;
|
|
int W = mTransformedBounds.width();
|
|
int H = mTransformedBounds.height();
|
|
if (getOrientation() & Transform::ROT_90) {
|
|
int t(W); W=H; H=t;
|
|
}
|
|
|
|
/* With LayerBuffer, it is likely that we'll have to rescale the
|
|
* surface, because this is often used for video playback or
|
|
* camera-preview. Since we want these operation as fast as possible
|
|
* we make sure we can use the 2D H/W even if it doesn't support
|
|
* the requested scale factor, in which case we perform the scaling
|
|
* in several passes. */
|
|
|
|
copybit_t* copybit = mFlinger->getBlitEngine();
|
|
const float min = copybit->get(copybit, COPYBIT_MINIFICATION_LIMIT);
|
|
const float mag = copybit->get(copybit, COPYBIT_MAGNIFICATION_LIMIT);
|
|
|
|
float xscale = 1.0f;
|
|
if (src_width > W*min) xscale = 1.0f / min;
|
|
else if (src_width*mag < W) xscale = mag;
|
|
|
|
float yscale = 1.0f;
|
|
if (src_height > H*min) yscale = 1.0f / min;
|
|
else if (src_height*mag < H) yscale = mag;
|
|
|
|
if (UNLIKELY(xscale!=1.0f || yscale!=1.0f)) {
|
|
//LOGD("MDP scaling hack w=%d, h=%d, ww=%d, wh=%d, xs=%f, ys=%f",
|
|
// src_width, src_height, W, H, xscale, yscale);
|
|
|
|
if (UNLIKELY(mTemporaryDealer == 0)) {
|
|
// allocate a memory-dealer for this the first time
|
|
mTemporaryDealer = mFlinger->getSurfaceHeapManager()
|
|
->createHeap(NATIVE_MEMORY_TYPE_PMEM);
|
|
mTempBitmap.init(mTemporaryDealer);
|
|
}
|
|
|
|
const int tmp_w = floorf(src_width * xscale);
|
|
const int tmp_h = floorf(src_height * yscale);
|
|
err = mTempBitmap.setBits(tmp_w, tmp_h, 1, src.img.format);
|
|
|
|
if (LIKELY(err == NO_ERROR)) {
|
|
NativeBuffer tmp;
|
|
mTempBitmap.getBitmapSurface(&tmp.img);
|
|
tmp.crop.l = 0;
|
|
tmp.crop.t = 0;
|
|
tmp.crop.r = tmp.img.w;
|
|
tmp.crop.b = tmp.img.h;
|
|
|
|
region_iterator tmp_it(Region(Rect(tmp.crop.r, tmp.crop.b)));
|
|
copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
|
|
copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF);
|
|
copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE);
|
|
err = copybit->stretch(copybit,
|
|
&tmp.img, &src.img, &tmp.crop, &src.crop, &tmp_it);
|
|
src = tmp;
|
|
}
|
|
}
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
copybit_image_t dst;
|
|
hw.getDisplaySurface(&dst);
|
|
const copybit_rect_t& drect
|
|
= reinterpret_cast<const copybit_rect_t&>(mTransformedBounds);
|
|
const State& s(drawingState());
|
|
region_iterator it(clip);
|
|
copybit->set_parameter(copybit, COPYBIT_TRANSFORM, getOrientation());
|
|
copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha);
|
|
copybit->set_parameter(copybit, COPYBIT_DITHER,
|
|
s.flags & ISurfaceComposer::eLayerDither ?
|
|
COPYBIT_ENABLE : COPYBIT_DISABLE);
|
|
err = copybit->stretch(copybit,
|
|
&dst, &src.img, &drect, &src.crop, &it);
|
|
}
|
|
|
|
if (!can_use_copybit || err) {
|
|
if (UNLIKELY(mTextureName == -1LU)) {
|
|
mTextureName = createTexture();
|
|
}
|
|
GLuint w = 0;
|
|
GLuint h = 0;
|
|
GGLSurface t;
|
|
t.version = sizeof(GGLSurface);
|
|
t.width = src.crop.r;
|
|
t.height = src.crop.b;
|
|
t.stride = src.img.w;
|
|
t.vstride= src.img.h;
|
|
t.format = src.img.format;
|
|
t.data = (GGLubyte*)(intptr_t(src.img.base) + src.img.offset);
|
|
const Region dirty(Rect(t.width, t.height));
|
|
loadTexture(dirty, mTextureName, t, w, h);
|
|
drawWithOpenGL(clip, mTextureName, t);
|
|
}
|
|
}
|
|
|
|
void LayerBuffer::invalidateLocked()
|
|
{
|
|
mInvalidate = true;
|
|
mFlinger->signalEvent();
|
|
}
|
|
|
|
void LayerBuffer::invalidate()
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
invalidateLocked();
|
|
}
|
|
|
|
void LayerBuffer::unlockPageFlip(const Transform& planeTransform,
|
|
Region& outDirtyRegion)
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
if (mInvalidate) {
|
|
mInvalidate = false;
|
|
outDirtyRegion.orSelf(visibleRegionScreen);
|
|
}
|
|
}
|
|
|
|
sp<LayerBuffer::SurfaceBuffer> LayerBuffer::getClientSurface() const
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
return mClientSurface.promote();
|
|
}
|
|
|
|
sp<LayerBaseClient::Surface> LayerBuffer::getSurface() const
|
|
{
|
|
sp<SurfaceBuffer> s;
|
|
Mutex::Autolock _l(mLock);
|
|
s = mClientSurface.promote();
|
|
if (s == 0) {
|
|
s = new SurfaceBuffer(clientIndex(),
|
|
const_cast<LayerBuffer *>(this));
|
|
mClientSurface = s;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
|
|
status_t LayerBuffer::registerBuffers(int w, int h, int hstride, int vstride,
|
|
PixelFormat format, const sp<IMemoryHeap>& memoryHeap)
|
|
{
|
|
status_t err = (memoryHeap!=0 && memoryHeap->heapID() >= 0) ? NO_ERROR : NO_INIT;
|
|
if (err != NO_ERROR)
|
|
return err;
|
|
|
|
// TODO: validate format/parameters
|
|
|
|
Mutex::Autolock _l(mLock);
|
|
mHeap = memoryHeap;
|
|
mWidth = w;
|
|
mHeight = h;
|
|
mHStride = hstride;
|
|
mVStride = vstride;
|
|
mFormat = format;
|
|
PixelFormatInfo info;
|
|
getPixelFormatInfo(format, &info);
|
|
mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
void LayerBuffer::postBuffer(ssize_t offset)
|
|
{
|
|
sp<IMemoryHeap> heap;
|
|
int w, h, hs, vs, f;
|
|
{ // scope for the lock
|
|
Mutex::Autolock _l(mLock);
|
|
w = mWidth;
|
|
h = mHeight;
|
|
hs= mHStride;
|
|
vs= mVStride;
|
|
f = mFormat;
|
|
heap = mHeap;
|
|
}
|
|
|
|
sp<Buffer> buffer;
|
|
if (heap != 0) {
|
|
buffer = new Buffer(heap, offset, w, h, hs, vs, f);
|
|
if (buffer->getStatus() != NO_ERROR)
|
|
buffer.clear();
|
|
setBuffer(buffer);
|
|
invalidate();
|
|
}
|
|
}
|
|
|
|
void LayerBuffer::unregisterBuffers()
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
mHeap.clear();
|
|
mBuffer.clear();
|
|
invalidateLocked();
|
|
}
|
|
|
|
sp<LayerBuffer::Buffer> LayerBuffer::getBuffer() const
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
return mBuffer;
|
|
}
|
|
|
|
void LayerBuffer::setBuffer(const sp<LayerBuffer::Buffer>& buffer)
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
mBuffer = buffer;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
LayerBuffer::SurfaceBuffer::SurfaceBuffer(SurfaceID id, LayerBuffer* owner)
|
|
: LayerBaseClient::Surface(id, owner->getIdentity()), mOwner(owner)
|
|
{
|
|
}
|
|
|
|
LayerBuffer::SurfaceBuffer::~SurfaceBuffer()
|
|
{
|
|
unregisterBuffers();
|
|
mOwner = 0;
|
|
}
|
|
|
|
status_t LayerBuffer::SurfaceBuffer::registerBuffers(
|
|
int w, int h, int hs, int vs,
|
|
PixelFormat format, const sp<IMemoryHeap>& heap)
|
|
{
|
|
LayerBuffer* owner(getOwner());
|
|
if (owner)
|
|
return owner->registerBuffers(w, h, hs, vs, format, heap);
|
|
return NO_INIT;
|
|
}
|
|
|
|
void LayerBuffer::SurfaceBuffer::postBuffer(ssize_t offset)
|
|
{
|
|
LayerBuffer* owner(getOwner());
|
|
if (owner)
|
|
owner->postBuffer(offset);
|
|
}
|
|
|
|
void LayerBuffer::SurfaceBuffer::unregisterBuffers()
|
|
{
|
|
LayerBuffer* owner(getOwner());
|
|
if (owner)
|
|
owner->unregisterBuffers();
|
|
}
|
|
|
|
void LayerBuffer::SurfaceBuffer::disown()
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
mOwner = 0;
|
|
}
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
LayerBuffer::Buffer::Buffer(const sp<IMemoryHeap>& heap, ssize_t offset,
|
|
int w, int h, int hs, int vs, int f)
|
|
: mCount(0), mHeap(heap)
|
|
{
|
|
NativeBuffer& src(mNativeBuffer);
|
|
src.crop.l = 0;
|
|
src.crop.t = 0;
|
|
src.crop.r = w;
|
|
src.crop.b = h;
|
|
src.img.w = hs ?: w;
|
|
src.img.h = vs ?: h;
|
|
src.img.format = f;
|
|
src.img.offset = offset;
|
|
src.img.base = heap->base();
|
|
src.img.fd = heap->heapID();
|
|
// FIXME: make sure this buffer lies within the heap, in which case, set
|
|
// mHeap to null
|
|
}
|
|
|
|
LayerBuffer::Buffer::~Buffer()
|
|
{
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|