diff options
| -rw-r--r-- | libs/surfaceflinger/LayerDim.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libs/surfaceflinger/LayerDim.cpp b/libs/surfaceflinger/LayerDim.cpp index 5cb883c..4114a42 100644 --- a/libs/surfaceflinger/LayerDim.cpp +++ b/libs/surfaceflinger/LayerDim.cpp @@ -63,6 +63,12 @@ void LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h) * This burns a full-screen worth of graphic memory. */ + // copybit supports 4x scaling, so we only need to allocate 1/16 of the + // buffer. + // FIXME: we have to add 1px because the mdp fails + w = w/4 + 1; + h = h/4 + 1; + const DisplayHardware& hw(flinger->graphicPlane(0).displayHardware()); uint32_t flags = hw.getFlags(); @@ -93,7 +99,7 @@ void LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h) // initialize the texture with zeros GGLSurface t; buffer->lock(&t, GRALLOC_USAGE_SW_READ_NEVER | GRALLOC_USAGE_SW_WRITE_OFTEN); - memset(t.data, 0, t.width * t.stride * 2); + memset(t.data, 0, t.stride * t.height * 2); buffer->unlock(); sUseTexture = true; } |