diff options
Diffstat (limited to 'libs/surfaceflinger/LayerBuffer.cpp')
-rw-r--r-- | libs/surfaceflinger/LayerBuffer.cpp | 331 |
1 files changed, 163 insertions, 168 deletions
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp index 00fab70..a088b0a 100644 --- a/libs/surfaceflinger/LayerBuffer.cpp +++ b/libs/surfaceflinger/LayerBuffer.cpp @@ -14,8 +14,6 @@ * limitations under the License. */ -#define LOG_TAG "SurfaceFlinger" - #include <stdlib.h> #include <stdint.h> #include <math.h> @@ -25,17 +23,16 @@ #include <utils/Log.h> #include <utils/StopWatch.h> -#include <utils/IPCThreadState.h> -#include <utils/IServiceManager.h> - #include <ui/PixelFormat.h> -#include <ui/EGLDisplaySurface.h> +#include <ui/FramebufferNativeWindow.h> + +#include <hardware/copybit.h> #include "LayerBuffer.h" #include "SurfaceFlinger.h" -#include "VRamHeap.h" #include "DisplayHardware/DisplayHardware.h" +#include "gralloc_priv.h" // needed for msm / copybit namespace android { @@ -47,7 +44,7 @@ const char* const LayerBuffer::typeID = "LayerBuffer"; // --------------------------------------------------------------------------- LayerBuffer::LayerBuffer(SurfaceFlinger* flinger, DisplayID display, - Client* client, int32_t i) + const sp<Client>& client, int32_t i) : LayerBaseClient(flinger, display, client, i), mNeedsBlending(false) { @@ -55,30 +52,24 @@ LayerBuffer::LayerBuffer(SurfaceFlinger* flinger, DisplayID display, LayerBuffer::~LayerBuffer() { - sp<SurfaceBuffer> s(getClientSurface()); - if (s != 0) { - s->disown(); - mClientSurface.clear(); - } } -sp<LayerBuffer::SurfaceBuffer> LayerBuffer::getClientSurface() const +void LayerBuffer::onFirstRef() { - Mutex::Autolock _l(mLock); - return mClientSurface.promote(); + LayerBaseClient::onFirstRef(); + mSurface = new SurfaceBuffer(mFlinger, clientIndex(), + const_cast<LayerBuffer *>(this)); } -sp<LayerBaseClient::Surface> LayerBuffer::getSurface() const +sp<LayerBaseClient::Surface> LayerBuffer::createSurface() 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; + return mSurface; +} + +status_t LayerBuffer::ditch() +{ + mSurface.clear(); + return NO_ERROR; } bool LayerBuffer::needsBlending() const { @@ -192,82 +183,49 @@ sp<LayerBuffer::Source> LayerBuffer::clearSource() { // LayerBuffer::SurfaceBuffer // ============================================================================ -LayerBuffer::SurfaceBuffer::SurfaceBuffer(SurfaceID id, LayerBuffer* owner) -: LayerBaseClient::Surface(id, owner->getIdentity()), mOwner(owner) +LayerBuffer::SurfaceBuffer::SurfaceBuffer(const sp<SurfaceFlinger>& flinger, + SurfaceID id, const sp<LayerBuffer>& owner) + : LayerBaseClient::Surface(flinger, id, owner->getIdentity(), owner) { } LayerBuffer::SurfaceBuffer::~SurfaceBuffer() { unregisterBuffers(); - mOwner = 0; -} - -status_t LayerBuffer::SurfaceBuffer::onTransact( - uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) -{ - switch (code) { - case REGISTER_BUFFERS: - case UNREGISTER_BUFFERS: - case CREATE_OVERLAY: - { - // codes that require permission check - IPCThreadState* ipc = IPCThreadState::self(); - const int pid = ipc->getCallingPid(); - const int self_pid = getpid(); - if (LIKELY(pid != self_pid)) { - // we're called from a different process, do the real check - if (!checkCallingPermission( - String16("android.permission.ACCESS_SURFACE_FLINGER"))) - { - const int uid = ipc->getCallingUid(); - LOGE("Permission Denial: " - "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid); - return PERMISSION_DENIED; - } - } - } - } - return LayerBaseClient::Surface::onTransact(code, data, reply, flags); } -status_t LayerBuffer::SurfaceBuffer::registerBuffers(const ISurface::BufferHeap& buffers) +status_t LayerBuffer::SurfaceBuffer::registerBuffers( + const ISurface::BufferHeap& buffers) { - LayerBuffer* owner(getOwner()); - if (owner) + sp<LayerBuffer> owner(getOwner()); + if (owner != 0) return owner->registerBuffers(buffers); return NO_INIT; } void LayerBuffer::SurfaceBuffer::postBuffer(ssize_t offset) { - LayerBuffer* owner(getOwner()); - if (owner) + sp<LayerBuffer> owner(getOwner()); + if (owner != 0) owner->postBuffer(offset); } void LayerBuffer::SurfaceBuffer::unregisterBuffers() { - LayerBuffer* owner(getOwner()); - if (owner) + sp<LayerBuffer> owner(getOwner()); + if (owner != 0) owner->unregisterBuffers(); } sp<OverlayRef> LayerBuffer::SurfaceBuffer::createOverlay( uint32_t w, uint32_t h, int32_t format) { sp<OverlayRef> result; - LayerBuffer* owner(getOwner()); - if (owner) + sp<LayerBuffer> owner(getOwner()); + if (owner != 0) result = owner->createOverlay(w, h, format); return result; } -void LayerBuffer::SurfaceBuffer::disown() -{ - Mutex::Autolock _l(mLock); - mOwner = 0; -} - // ============================================================================ // LayerBuffer::Buffer // ============================================================================ @@ -276,20 +234,30 @@ LayerBuffer::Buffer::Buffer(const ISurface::BufferHeap& buffers, ssize_t offset) : mBufferHeap(buffers) { NativeBuffer& src(mNativeBuffer); + src.crop.l = 0; src.crop.t = 0; src.crop.r = buffers.w; src.crop.b = buffers.h; - src.img.w = buffers.hor_stride ?: buffers.w; - src.img.h = buffers.ver_stride ?: buffers.h; - src.img.format = buffers.format; - src.img.offset = offset; - src.img.base = buffers.heap->base(); - src.img.fd = buffers.heap->heapID(); + + src.img.w = buffers.hor_stride ?: buffers.w; + src.img.h = buffers.ver_stride ?: buffers.h; + src.img.format = buffers.format; + src.img.base = (void*)(intptr_t(buffers.heap->base()) + offset); + + // FIXME: gross hack, we should never access private_handle_t from here, + // but this is needed by msm drivers + private_handle_t* hnd = new private_handle_t( + buffers.heap->heapID(), buffers.heap->getSize(), 0); + hnd->offset = offset; + src.img.handle = hnd; } LayerBuffer::Buffer::~Buffer() { + NativeBuffer& src(mNativeBuffer); + if (src.img.handle) + delete (private_handle_t*)src.img.handle; } // ============================================================================ @@ -323,8 +291,7 @@ bool LayerBuffer::Source::transformed() const { LayerBuffer::BufferSource::BufferSource(LayerBuffer& layer, const ISurface::BufferHeap& buffers) - : Source(layer), mStatus(NO_ERROR), - mBufferSize(0), mTextureName(-1U) + : Source(layer), mStatus(NO_ERROR), mBufferSize(0) { if (buffers.heap == NULL) { // this is allowed, but in this case, it is illegal to receive @@ -363,13 +330,21 @@ LayerBuffer::BufferSource::BufferSource(LayerBuffer& layer, mLayer.setNeedsBlending((info.h_alpha - info.l_alpha) > 0); mBufferSize = info.getScanlineSize(buffers.hor_stride)*buffers.ver_stride; mLayer.forceVisibilityTransaction(); - + + hw_module_t const* module; + mBlitEngine = NULL; + if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) { + copybit_open(module, &mBlitEngine); + } } LayerBuffer::BufferSource::~BufferSource() { - if (mTextureName != -1U) { - LayerBase::deletedTextures.add(mTextureName); + if (mTexture.name != -1U) { + glDeleteTextures(1, &mTexture.name); + } + if (mBlitEngine) { + copybit_close(mBlitEngine); } } @@ -427,19 +402,19 @@ bool LayerBuffer::BufferSource::transformed() const void LayerBuffer::BufferSource::onDraw(const Region& clip) const { - sp<Buffer> buffer(getBuffer()); - if (UNLIKELY(buffer == 0)) { + sp<Buffer> ourBuffer(getBuffer()); + if (UNLIKELY(ourBuffer == 0)) { // nothing to do, we don't have a buffer mLayer.clearWithOpenGL(clip); return; } status_t err = NO_ERROR; - NativeBuffer src(buffer->getBuffer()); + NativeBuffer src(ourBuffer->getBuffer()); const Rect& transformedBounds = mLayer.getTransformedBounds(); - const int can_use_copybit = mLayer.canUseCopybit(); + copybit_device_t* copybit = mBlitEngine; - if (can_use_copybit) { + if (copybit) { const int src_width = src.crop.r - src.crop.l; const int src_height = src.crop.b - src.crop.t; int W = transformedBounds.width(); @@ -448,89 +423,108 @@ void LayerBuffer::BufferSource::onDraw(const Region& clip) const 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_device_t* copybit = mLayer.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)) { - if (UNLIKELY(mTemporaryDealer == 0)) { - // allocate a memory-dealer for this the first time - mTemporaryDealer = mLayer.mFlinger->getSurfaceHeapManager() - ->createHeap(ISurfaceComposer::eHardware); - mTempBitmap.init(mTemporaryDealer); +#ifdef EGL_ANDROID_get_render_buffer + EGLDisplay dpy = eglGetCurrentDisplay(); + EGLSurface draw = eglGetCurrentSurface(EGL_DRAW); + EGLClientBuffer clientBuf = eglGetRenderBufferANDROID(dpy, draw); + android_native_buffer_t* nb = (android_native_buffer_t*)clientBuf; + if (nb == 0) { + err = BAD_VALUE; + } else { + copybit_image_t dst; + dst.w = nb->width; + dst.h = nb->height; + dst.format = nb->format; + dst.base = NULL; // unused by copybit on msm7k + dst.handle = (native_handle_t *)nb->handle; + + /* 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. */ + + 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)) { + const int tmp_w = floorf(src_width * xscale); + const int tmp_h = floorf(src_height * yscale); + + if (mTempBitmap==0 || + mTempBitmap->getWidth() < tmp_w || + mTempBitmap->getHeight() < tmp_h) { + mTempBitmap.clear(); + mTempBitmap = new android::Buffer(tmp_w, tmp_h, src.img.format); + err = mTempBitmap->initCheck(); + } + + if (LIKELY(err == NO_ERROR)) { + NativeBuffer tmp; + tmp.img.w = tmp_w; + tmp.img.h = tmp_h; + tmp.img.format = src.img.format; + tmp.img.handle = (native_handle_t*)mTempBitmap->getNativeBuffer()->handle; + 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 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 Rect& transformedBounds = mLayer.getTransformedBounds(); + const copybit_rect_t& drect = + reinterpret_cast<const copybit_rect_t&>(transformedBounds); + const State& s(mLayer.drawingState()); + region_iterator it(clip); + + // pick the right orientation for this buffer + int orientation = mLayer.getOrientation(); + if (UNLIKELY(mBufferHeap.transform)) { + Transform rot90; + GraphicPlane::orientationToTransfrom( + ISurfaceComposer::eOrientation90, 0, 0, &rot90); + const Transform& planeTransform(mLayer.graphicPlane(0).transform()); + const Layer::State& s(mLayer.drawingState()); + Transform tr(planeTransform * s.transform * rot90); + orientation = tr.getOrientation(); } - } - const DisplayHardware& hw(mLayer.graphicPlane(0).displayHardware()); - copybit_image_t dst; - hw.getDisplaySurface(&dst); - const copybit_rect_t& drect - = reinterpret_cast<const copybit_rect_t&>(transformedBounds); - const State& s(mLayer.drawingState()); - region_iterator it(clip); - - // pick the right orientation for this buffer - int orientation = mLayer.getOrientation(); - if (UNLIKELY(mBufferHeap.transform)) { - Transform rot90; - GraphicPlane::orientationToTransfrom( - ISurfaceComposer::eOrientation90, 0, 0, &rot90); - const Transform& planeTransform(mLayer.graphicPlane(0).transform()); - const Layer::State& s(mLayer.drawingState()); - Transform tr(planeTransform * s.transform * rot90); - orientation = tr.getOrientation(); - } - - copybit->set_parameter(copybit, COPYBIT_TRANSFORM, orientation); - copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha); - copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE); - - err = copybit->stretch(copybit, - &dst, &src.img, &drect, &src.crop, &it); - if (err != NO_ERROR) { - LOGE("copybit failed (%s)", strerror(err)); + copybit->set_parameter(copybit, COPYBIT_TRANSFORM, orientation); + copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha); + copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE); + + err = copybit->stretch(copybit, + &dst, &src.img, &drect, &src.crop, &it); + if (err != NO_ERROR) { + LOGE("copybit failed (%s)", strerror(err)); + } } } - - if (!can_use_copybit || err) { - if (UNLIKELY(mTextureName == -1LU)) { - mTextureName = mLayer.createTexture(); +#endif + + if (!copybit || err) + { + // OpenGL fall-back + if (UNLIKELY(mTexture.name == -1LU)) { + mTexture.name = mLayer.createTexture(); } GLuint w = 0; GLuint h = 0; @@ -541,10 +535,11 @@ void LayerBuffer::BufferSource::onDraw(const Region& clip) const 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); + t.data = (GGLubyte*)src.img.base; const Region dirty(Rect(t.width, t.height)); - mLayer.loadTexture(dirty, mTextureName, t, w, h); - mLayer.drawWithOpenGL(clip, mTextureName, t, mBufferHeap.transform); + mLayer.loadTexture(&mTexture, mTexture.name, dirty, t); + mTexture.transform = mBufferHeap.transform; + mLayer.drawWithOpenGL(clip, mTexture); } } |