From c99d13825e915a13d598d923d8a4b9d92ab79d31 Mon Sep 17 00:00:00 2001 From: Naomi Luis Date: Mon, 9 May 2011 14:53:08 -0700 Subject: [PATCH] libhwcomposer: Enable COPYBIT_PREMULTIPLIED_ALPHA if the layer blending is premutliplied Change-Id: Iefe0ddeaa20b4411074079bc77ac17cc0e38c27e --- libhwcomposer/hwcomposer.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libhwcomposer/hwcomposer.cpp b/libhwcomposer/hwcomposer.cpp index c21b210..78c15a6 100755 --- a/libhwcomposer/hwcomposer.cpp +++ b/libhwcomposer/hwcomposer.cpp @@ -321,6 +321,8 @@ static int drawLayerUsingCopybit(hwc_composer_device_t *dev, hwc_layer_t *layer, copybit_device_t *copybit = hwcModule->copybitEngine; copybit->set_parameter(copybit, COPYBIT_TRANSFORM, layer->transform); copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF); + copybit->set_parameter(copybit, COPYBIT_PREMULTIPLIED_ALPHA, + (layer->blending == HWC_BLENDING_PREMULT)? COPYBIT_ENABLE : COPYBIT_DISABLE); int err = copybit->stretch(copybit, &dst, &src, &dstRect, &srcRect, ©bitRegion); if(err < 0)