diff options
Diffstat (limited to 'services/surfaceflinger/Layer.cpp')
| -rw-r--r-- | services/surfaceflinger/Layer.cpp | 113 |
1 files changed, 109 insertions, 4 deletions
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp index a060d31..7be58c6 100644 --- a/services/surfaceflinger/Layer.cpp +++ b/services/surfaceflinger/Layer.cpp @@ -35,6 +35,7 @@ #include "Layer.h" #include "SurfaceFlinger.h" #include "DisplayHardware/DisplayHardware.h" +#include "DisplayHardware/HWComposer.h" #define DEBUG_RESIZE 0 @@ -170,7 +171,8 @@ status_t Layer::setBuffers( uint32_t w, uint32_t h, mReqHeight = h; mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; - mNeedsBlending = (info.h_alpha - info.l_alpha) > 0; + mNeedsBlending = (info.h_alpha - info.l_alpha) > 0 && + (flags & ISurfaceComposer::eOpaque) == 0; // we use the red index int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); @@ -181,6 +183,62 @@ status_t Layer::setBuffers( uint32_t w, uint32_t h, return NO_ERROR; } +void Layer::setGeometry(hwc_layer_t* hwcl) +{ + hwcl->compositionType = HWC_FRAMEBUFFER; + hwcl->hints = 0; + hwcl->flags = 0; + hwcl->transform = 0; + hwcl->blending = HWC_BLENDING_NONE; + + // we can't do alpha-fade with the hwc HAL + const State& s(drawingState()); + if (s.alpha < 0xFF) { + hwcl->flags = HWC_SKIP_LAYER; + return; + } + + // we can only handle simple transformation + if (mOrientation & Transform::ROT_INVALID) { + hwcl->flags = HWC_SKIP_LAYER; + return; + } + + hwcl->transform = mOrientation; + + if (needsBlending()) { + hwcl->blending = mPremultipliedAlpha ? + HWC_BLENDING_PREMULT : HWC_BLENDING_COVERAGE; + } + + hwcl->displayFrame.left = mTransformedBounds.left; + hwcl->displayFrame.top = mTransformedBounds.top; + hwcl->displayFrame.right = mTransformedBounds.right; + hwcl->displayFrame.bottom = mTransformedBounds.bottom; + + hwcl->visibleRegionScreen.rects = + reinterpret_cast<hwc_rect_t const *>( + visibleRegionScreen.getArray( + &hwcl->visibleRegionScreen.numRects)); +} + +void Layer::setPerFrameData(hwc_layer_t* hwcl) { + sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer()); + if (buffer == NULL) { + // this situation can happen if we ran out of memory for instance. + // not much we can do. continue to use whatever texture was bound + // to this context. + hwcl->handle = NULL; + return; + } + hwcl->handle = const_cast<native_handle_t*>(buffer->handle); + // TODO: set the crop value properly + hwcl->sourceCrop.left = 0; + hwcl->sourceCrop.top = 0; + hwcl->sourceCrop.right = buffer->width; + hwcl->sourceCrop.bottom = buffer->height; +} + void Layer::reloadTexture(const Region& dirty) { sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer()); @@ -282,8 +340,10 @@ status_t Layer::setBufferCount(int bufferCount) // NOTE: lcblk->resize() is protected by an internal lock status_t err = lcblk->resize(bufferCount); - if (err == NO_ERROR) - mBufferManager.resize(bufferCount); + if (err == NO_ERROR) { + EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay()); + mBufferManager.resize(bufferCount, mFlinger, dpy); + } return err; } @@ -321,6 +381,7 @@ sp<GraphicBuffer> Layer::requestBuffer(int index, Mutex::Autolock _l(mLock); // zero means default + const bool fixedSize = reqWidth && reqHeight; if (!reqFormat) reqFormat = mFormat; if (!reqWidth) reqWidth = mWidth; if (!reqHeight) reqHeight = mHeight; @@ -334,6 +395,7 @@ sp<GraphicBuffer> Layer::requestBuffer(int index, mReqWidth = reqWidth; mReqHeight = reqHeight; mReqFormat = reqFormat; + mFixedSize = fixedSize; lcblk->reallocateAllExcept(index); } @@ -714,9 +776,52 @@ Layer::BufferManager::~BufferManager() { } -status_t Layer::BufferManager::resize(size_t size) +status_t Layer::BufferManager::resize(size_t size, + const sp<SurfaceFlinger>& flinger, EGLDisplay dpy) { Mutex::Autolock _l(mLock); + + if (size < mNumBuffers) { + // Move the active texture into slot 0 + BufferData activeBufferData = mBufferData[mActiveBuffer]; + mBufferData[mActiveBuffer] = mBufferData[0]; + mBufferData[0] = activeBufferData; + mActiveBuffer = 0; + + // Free the buffers that are no longer needed. + for (size_t i = size; i < mNumBuffers; i++) { + mBufferData[i].buffer = 0; + + // Create a message to destroy the textures on SurfaceFlinger's GL + // thread. + class MessageDestroyTexture : public MessageBase { + Image mTexture; + EGLDisplay mDpy; + public: + MessageDestroyTexture(const Image& texture, EGLDisplay dpy) + : mTexture(texture), mDpy(dpy) { } + virtual bool handler() { + status_t err = Layer::BufferManager::destroyTexture( + &mTexture, mDpy); + LOGE_IF(err<0, "error destroying texture: %d (%s)", + mTexture.name, strerror(-err)); + return true; // XXX: err == 0; ???? + } + }; + + MessageDestroyTexture *msg = new MessageDestroyTexture( + mBufferData[i].texture, dpy); + + // Don't allow this texture to be cleaned up by + // BufferManager::destroy. + mBufferData[i].texture.name = -1U; + mBufferData[i].texture.image = EGL_NO_IMAGE_KHR; + + // Post the message to the SurfaceFlinger object. + flinger->postMessageAsync(msg); + } + } + mNumBuffers = size; return NO_ERROR; } |