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Diffstat (limited to 'libs/surfaceflinger/LayerBuffer.cpp')
| -rw-r--r-- | libs/surfaceflinger/LayerBuffer.cpp | 682 |
1 files changed, 0 insertions, 682 deletions
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp deleted file mode 100644 index 5f83636..0000000 --- a/libs/surfaceflinger/LayerBuffer.cpp +++ /dev/null @@ -1,682 +0,0 @@ -/* - * 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 <math.h> -#include <sys/types.h> - -#include <utils/Errors.h> -#include <utils/Log.h> -#include <utils/StopWatch.h> - -#include <ui/GraphicBuffer.h> -#include <ui/PixelFormat.h> -#include <ui/FramebufferNativeWindow.h> -#include <ui/Rect.h> -#include <ui/Region.h> - -#include <hardware/copybit.h> - -#include "LayerBuffer.h" -#include "SurfaceFlinger.h" -#include "DisplayHardware/DisplayHardware.h" - -namespace android { - -// --------------------------------------------------------------------------- - -gralloc_module_t const* LayerBuffer::sGrallocModule = 0; - -// --------------------------------------------------------------------------- - -LayerBuffer::LayerBuffer(SurfaceFlinger* flinger, DisplayID display, - const sp<Client>& client) - : LayerBaseClient(flinger, display, client), - mNeedsBlending(false), mBlitEngine(0) -{ -} - -LayerBuffer::~LayerBuffer() -{ - if (mBlitEngine) { - copybit_close(mBlitEngine); - } -} - -void LayerBuffer::onFirstRef() -{ - LayerBaseClient::onFirstRef(); - mSurface = new SurfaceLayerBuffer(mFlinger, this); - - hw_module_t const* module = (hw_module_t const*)sGrallocModule; - if (!module) { - // NOTE: technically there is a race here, but it shouldn't - // cause any problem since hw_get_module() always returns - // the same value. - if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) == 0) { - sGrallocModule = (gralloc_module_t const *)module; - } - } - - if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) { - copybit_open(module, &mBlitEngine); - } -} - -sp<LayerBaseClient::Surface> LayerBuffer::createSurface() const -{ - return mSurface; -} - -status_t LayerBuffer::ditch() -{ - mSurface.clear(); - return NO_ERROR; -} - -bool LayerBuffer::needsBlending() const { - return mNeedsBlending; -} - -void LayerBuffer::setNeedsBlending(bool blending) { - mNeedsBlending = blending; -} - -void LayerBuffer::postBuffer(ssize_t offset) -{ - sp<Source> source(getSource()); - if (source != 0) - source->postBuffer(offset); -} - -void LayerBuffer::unregisterBuffers() -{ - sp<Source> source(clearSource()); - if (source != 0) - source->unregisterBuffers(); -} - -uint32_t LayerBuffer::doTransaction(uint32_t flags) -{ - sp<Source> source(getSource()); - if (source != 0) - source->onTransaction(flags); - uint32_t res = LayerBase::doTransaction(flags); - // we always want filtering for these surfaces - mNeedsFiltering = !(mFlags & DisplayHardware::SLOW_CONFIG); - return res; -} - -void LayerBuffer::unlockPageFlip(const Transform& planeTransform, - Region& outDirtyRegion) -{ - // this code-path must be as tight as possible, it's called each time - // the screen is composited. - sp<Source> source(getSource()); - if (source != 0) - source->onVisibilityResolved(planeTransform); - LayerBase::unlockPageFlip(planeTransform, outDirtyRegion); -} - -void LayerBuffer::onDraw(const Region& clip) const -{ - sp<Source> source(getSource()); - if (LIKELY(source != 0)) { - source->onDraw(clip); - } else { - clearWithOpenGL(clip); - } -} - -void LayerBuffer::serverDestroy() -{ - sp<Source> source(clearSource()); - if (source != 0) { - source->destroy(); - } -} - -/** - * This creates a "buffer" source for this surface - */ -status_t LayerBuffer::registerBuffers(const ISurface::BufferHeap& buffers) -{ - Mutex::Autolock _l(mLock); - if (mSource != 0) - return INVALID_OPERATION; - - sp<BufferSource> source = new BufferSource(*this, buffers); - - status_t result = source->getStatus(); - if (result == NO_ERROR) { - mSource = source; - } - return result; -} - -/** - * This creates an "overlay" source for this surface - */ -sp<OverlayRef> LayerBuffer::createOverlay(uint32_t w, uint32_t h, int32_t f, - int32_t orientation) -{ - sp<OverlayRef> result; - Mutex::Autolock _l(mLock); - if (mSource != 0) - return result; - - sp<OverlaySource> source = new OverlaySource(*this, &result, w, h, f, orientation); - if (result != 0) { - mSource = source; - } - return result; -} - -sp<LayerBuffer::Source> LayerBuffer::getSource() const { - Mutex::Autolock _l(mLock); - return mSource; -} - -sp<LayerBuffer::Source> LayerBuffer::clearSource() { - sp<Source> source; - Mutex::Autolock _l(mLock); - source = mSource; - mSource.clear(); - return source; -} - -// ============================================================================ -// LayerBuffer::SurfaceLayerBuffer -// ============================================================================ - -LayerBuffer::SurfaceLayerBuffer::SurfaceLayerBuffer( - const sp<SurfaceFlinger>& flinger, const sp<LayerBuffer>& owner) - : LayerBaseClient::Surface(flinger, owner->getIdentity(), owner) -{ -} - -LayerBuffer::SurfaceLayerBuffer::~SurfaceLayerBuffer() -{ - unregisterBuffers(); -} - -status_t LayerBuffer::SurfaceLayerBuffer::registerBuffers( - const ISurface::BufferHeap& buffers) -{ - sp<LayerBuffer> owner(getOwner()); - if (owner != 0) - return owner->registerBuffers(buffers); - return NO_INIT; -} - -void LayerBuffer::SurfaceLayerBuffer::postBuffer(ssize_t offset) -{ - sp<LayerBuffer> owner(getOwner()); - if (owner != 0) - owner->postBuffer(offset); -} - -void LayerBuffer::SurfaceLayerBuffer::unregisterBuffers() -{ - sp<LayerBuffer> owner(getOwner()); - if (owner != 0) - owner->unregisterBuffers(); -} - -sp<OverlayRef> LayerBuffer::SurfaceLayerBuffer::createOverlay( - uint32_t w, uint32_t h, int32_t format, int32_t orientation) { - sp<OverlayRef> result; - sp<LayerBuffer> owner(getOwner()); - if (owner != 0) - result = owner->createOverlay(w, h, format, orientation); - return result; -} - -// ============================================================================ -// LayerBuffer::Buffer -// ============================================================================ - -LayerBuffer::Buffer::Buffer(const ISurface::BufferHeap& buffers, - ssize_t offset, size_t bufferSize) - : mBufferHeap(buffers), mSupportsCopybit(false) -{ - 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.base = (void*)(intptr_t(buffers.heap->base()) + offset); - src.img.handle = 0; - - gralloc_module_t const * module = LayerBuffer::getGrallocModule(); - if (module && module->perform) { - int err = module->perform(module, - GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER, - buffers.heap->heapID(), bufferSize, - offset, buffers.heap->base(), - &src.img.handle); - - // we can fail here is the passed buffer is purely software - mSupportsCopybit = (err == NO_ERROR); - } - } - -LayerBuffer::Buffer::~Buffer() -{ - NativeBuffer& src(mNativeBuffer); - if (src.img.handle) { - native_handle_delete(src.img.handle); - } -} - -// ============================================================================ -// LayerBuffer::Source -// LayerBuffer::BufferSource -// LayerBuffer::OverlaySource -// ============================================================================ - -LayerBuffer::Source::Source(LayerBuffer& layer) - : mLayer(layer) -{ -} -LayerBuffer::Source::~Source() { -} -void LayerBuffer::Source::onDraw(const Region& clip) const { -} -void LayerBuffer::Source::onTransaction(uint32_t flags) { -} -void LayerBuffer::Source::onVisibilityResolved( - const Transform& planeTransform) { -} -void LayerBuffer::Source::postBuffer(ssize_t offset) { -} -void LayerBuffer::Source::unregisterBuffers() { -} - -// --------------------------------------------------------------------------- - -LayerBuffer::BufferSource::BufferSource(LayerBuffer& layer, - const ISurface::BufferHeap& buffers) - : Source(layer), mStatus(NO_ERROR), mBufferSize(0) -{ - if (buffers.heap == NULL) { - // this is allowed, but in this case, it is illegal to receive - // postBuffer(). The surface just erases the framebuffer with - // fully transparent pixels. - mBufferHeap = buffers; - mLayer.setNeedsBlending(false); - return; - } - - status_t err = (buffers.heap->heapID() >= 0) ? NO_ERROR : NO_INIT; - if (err != NO_ERROR) { - LOGE("LayerBuffer::BufferSource: invalid heap (%s)", strerror(err)); - mStatus = err; - return; - } - - PixelFormatInfo info; - err = getPixelFormatInfo(buffers.format, &info); - if (err != NO_ERROR) { - LOGE("LayerBuffer::BufferSource: invalid format %d (%s)", - buffers.format, strerror(err)); - mStatus = err; - return; - } - - if (buffers.hor_stride<0 || buffers.ver_stride<0) { - LOGE("LayerBuffer::BufferSource: invalid parameters " - "(w=%d, h=%d, xs=%d, ys=%d)", - buffers.w, buffers.h, buffers.hor_stride, buffers.ver_stride); - mStatus = BAD_VALUE; - return; - } - - mBufferHeap = buffers; - mLayer.setNeedsBlending((info.h_alpha - info.l_alpha) > 0); - mBufferSize = info.getScanlineSize(buffers.hor_stride)*buffers.ver_stride; - mLayer.forceVisibilityTransaction(); -} - -LayerBuffer::BufferSource::~BufferSource() -{ - class MessageDestroyTexture : public MessageBase { - SurfaceFlinger* flinger; - GLuint name; - public: - MessageDestroyTexture( - SurfaceFlinger* flinger, GLuint name) - : flinger(flinger), name(name) { } - virtual bool handler() { - glDeleteTextures(1, &name); - return true; - } - }; - - if (mTexture.name != -1U) { - // GL textures can only be destroyed from the GL thread - getFlinger()->mEventQueue.postMessage( - new MessageDestroyTexture(getFlinger(), mTexture.name) ); - } - if (mTexture.image != EGL_NO_IMAGE_KHR) { - EGLDisplay dpy(getFlinger()->graphicPlane(0).getEGLDisplay()); - eglDestroyImageKHR(dpy, mTexture.image); - } -} - -void LayerBuffer::BufferSource::postBuffer(ssize_t offset) -{ - ISurface::BufferHeap buffers; - { // scope for the lock - Mutex::Autolock _l(mBufferSourceLock); - buffers = mBufferHeap; - if (buffers.heap != 0) { - const size_t memorySize = buffers.heap->getSize(); - if ((size_t(offset) + mBufferSize) > memorySize) { - LOGE("LayerBuffer::BufferSource::postBuffer() " - "invalid buffer (offset=%d, size=%d, heap-size=%d", - int(offset), int(mBufferSize), int(memorySize)); - return; - } - } - } - - sp<Buffer> buffer; - if (buffers.heap != 0) { - buffer = new LayerBuffer::Buffer(buffers, offset, mBufferSize); - if (buffer->getStatus() != NO_ERROR) - buffer.clear(); - setBuffer(buffer); - mLayer.invalidate(); - } -} - -void LayerBuffer::BufferSource::unregisterBuffers() -{ - Mutex::Autolock _l(mBufferSourceLock); - mBufferHeap.heap.clear(); - mBuffer.clear(); - mLayer.invalidate(); -} - -sp<LayerBuffer::Buffer> LayerBuffer::BufferSource::getBuffer() const -{ - Mutex::Autolock _l(mBufferSourceLock); - return mBuffer; -} - -void LayerBuffer::BufferSource::setBuffer(const sp<LayerBuffer::Buffer>& buffer) -{ - Mutex::Autolock _l(mBufferSourceLock); - mBuffer = buffer; -} - -void LayerBuffer::BufferSource::onDraw(const Region& clip) const -{ - 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(ourBuffer->getBuffer()); - const Rect transformedBounds(mLayer.getTransformedBounds()); - -#if defined(EGL_ANDROID_image_native_buffer) - if (GLExtensions::getInstance().haveDirectTexture()) { - err = INVALID_OPERATION; - if (ourBuffer->supportsCopybit()) { - copybit_device_t* copybit = mLayer.mBlitEngine; - if (copybit && err != NO_ERROR) { - // create our EGLImageKHR the first time - err = initTempBuffer(); - if (err == NO_ERROR) { - // NOTE: Assume the buffer is allocated with the proper USAGE flags - const NativeBuffer& dst(mTempBuffer); - region_iterator clip(Region(Rect(dst.crop.r, dst.crop.b))); - copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0); - copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF); - copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE); - err = copybit->stretch(copybit, &dst.img, &src.img, - &dst.crop, &src.crop, &clip); - if (err != NO_ERROR) { - clearTempBufferImage(); - } - } - } - } - } -#endif - else { - err = INVALID_OPERATION; - } - - if (err != NO_ERROR) { - // slower fallback - 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*)src.img.base; - const Region dirty(Rect(t.width, t.height)); - mTextureManager.loadTexture(&mTexture, dirty, t); - } - - mTexture.transform = mBufferHeap.transform; - mLayer.drawWithOpenGL(clip, mTexture); -} - -status_t LayerBuffer::BufferSource::initTempBuffer() const -{ - // figure out the size we need now - const ISurface::BufferHeap& buffers(mBufferHeap); - uint32_t w = mLayer.mTransformedBounds.width(); - uint32_t h = mLayer.mTransformedBounds.height(); - if (buffers.w * h != buffers.h * w) { - int t = w; w = h; h = t; - } - - // we're in the copybit case, so make sure we can handle this blit - // we don't have to keep the aspect ratio here - copybit_device_t* copybit = mLayer.mBlitEngine; - const int down = copybit->get(copybit, COPYBIT_MINIFICATION_LIMIT); - const int up = copybit->get(copybit, COPYBIT_MAGNIFICATION_LIMIT); - if (buffers.w > w*down) w = buffers.w / down; - else if (w > buffers.w*up) w = buffers.w*up; - if (buffers.h > h*down) h = buffers.h / down; - else if (h > buffers.h*up) h = buffers.h*up; - - if (mTexture.image != EGL_NO_IMAGE_KHR) { - // we have an EGLImage, make sure the needed size didn't change - if (w!=mTexture.width || h!= mTexture.height) { - // delete the EGLImage and texture - clearTempBufferImage(); - } else { - // we're good, we have an EGLImageKHR and it's (still) the - // right size - return NO_ERROR; - } - } - - // figure out if we need linear filtering - if (buffers.w * h == buffers.h * w) { - // same pixel area, don't use filtering - mLayer.mNeedsFiltering = false; - } - - // Allocate a temporary buffer and create the corresponding EGLImageKHR - // once the EGLImage has been created we don't need the - // graphic buffer reference anymore. - sp<GraphicBuffer> buffer = new GraphicBuffer( - w, h, HAL_PIXEL_FORMAT_RGB_565, - GraphicBuffer::USAGE_HW_TEXTURE | - GraphicBuffer::USAGE_HW_2D); - - status_t err = buffer->initCheck(); - if (err == NO_ERROR) { - NativeBuffer& dst(mTempBuffer); - dst.img.w = buffer->getStride(); - dst.img.h = h; - dst.img.format = buffer->getPixelFormat(); - dst.img.handle = (native_handle_t *)buffer->handle; - dst.img.base = 0; - dst.crop.l = 0; - dst.crop.t = 0; - dst.crop.r = w; - dst.crop.b = h; - - EGLDisplay dpy(getFlinger()->graphicPlane(0).getEGLDisplay()); - err = mTextureManager.initEglImage(&mTexture, dpy, buffer); - } - - return err; -} - -void LayerBuffer::BufferSource::clearTempBufferImage() const -{ - // delete the image - EGLDisplay dpy(getFlinger()->graphicPlane(0).getEGLDisplay()); - eglDestroyImageKHR(dpy, mTexture.image); - - // and the associated texture (recreate a name) - glDeleteTextures(1, &mTexture.name); - Texture defaultTexture; - mTexture = defaultTexture; -} - -// --------------------------------------------------------------------------- - -LayerBuffer::OverlaySource::OverlaySource(LayerBuffer& layer, - sp<OverlayRef>* overlayRef, - uint32_t w, uint32_t h, int32_t format, int32_t orientation) - : Source(layer), mVisibilityChanged(false), - mOverlay(0), mOverlayHandle(0), mOverlayDevice(0), mOrientation(orientation) -{ - overlay_control_device_t* overlay_dev = getFlinger()->getOverlayEngine(); - if (overlay_dev == NULL) { - // overlays not supported - return; - } - - mOverlayDevice = overlay_dev; - overlay_t* overlay = overlay_dev->createOverlay(overlay_dev, w, h, format); - if (overlay == NULL) { - // couldn't create the overlay (no memory? no more overlays?) - return; - } - - // enable dithering... - overlay_dev->setParameter(overlay_dev, overlay, - OVERLAY_DITHER, OVERLAY_ENABLE); - - mOverlay = overlay; - mWidth = overlay->w; - mHeight = overlay->h; - mFormat = overlay->format; - mWidthStride = overlay->w_stride; - mHeightStride = overlay->h_stride; - mInitialized = false; - - mOverlayHandle = overlay->getHandleRef(overlay); - - sp<OverlayChannel> channel = new OverlayChannel( &layer ); - - *overlayRef = new OverlayRef(mOverlayHandle, channel, - mWidth, mHeight, mFormat, mWidthStride, mHeightStride); - getFlinger()->signalEvent(); -} - -LayerBuffer::OverlaySource::~OverlaySource() -{ - if (mOverlay && mOverlayDevice) { - overlay_control_device_t* overlay_dev = mOverlayDevice; - overlay_dev->destroyOverlay(overlay_dev, mOverlay); - } -} - -void LayerBuffer::OverlaySource::onDraw(const Region& clip) const -{ - // this would be where the color-key would be set, should we need it. - GLclampf red = 0; - GLclampf green = 0; - GLclampf blue = 0; - mLayer.clearWithOpenGL(clip, red, green, blue, 0); -} - -void LayerBuffer::OverlaySource::onTransaction(uint32_t flags) -{ - const Layer::State& front(mLayer.drawingState()); - const Layer::State& temp(mLayer.currentState()); - if (temp.sequence != front.sequence) { - mVisibilityChanged = true; - } -} - -void LayerBuffer::OverlaySource::onVisibilityResolved( - const Transform& planeTransform) -{ - // this code-path must be as tight as possible, it's called each time - // the screen is composited. - if (UNLIKELY(mOverlay != 0)) { - if (mVisibilityChanged || !mInitialized) { - mVisibilityChanged = false; - mInitialized = true; - const Rect bounds(mLayer.getTransformedBounds()); - int x = bounds.left; - int y = bounds.top; - int w = bounds.width(); - int h = bounds.height(); - - // we need a lock here to protect "destroy" - Mutex::Autolock _l(mOverlaySourceLock); - if (mOverlay) { - overlay_control_device_t* overlay_dev = mOverlayDevice; - overlay_dev->setPosition(overlay_dev, mOverlay, x,y,w,h); - // we need to combine the layer orientation and the - // user-requested orientation. - Transform finalTransform = Transform(mOrientation) * - Transform(mLayer.getOrientation()); - overlay_dev->setParameter(overlay_dev, mOverlay, - OVERLAY_TRANSFORM, finalTransform.getOrientation()); - overlay_dev->commit(overlay_dev, mOverlay); - } - } - } -} - -void LayerBuffer::OverlaySource::destroy() -{ - // we need a lock here to protect "onVisibilityResolved" - Mutex::Autolock _l(mOverlaySourceLock); - if (mOverlay && mOverlayDevice) { - overlay_control_device_t* overlay_dev = mOverlayDevice; - overlay_dev->destroyOverlay(overlay_dev, mOverlay); - mOverlay = 0; - } -} - -// --------------------------------------------------------------------------- -}; // namespace android |