android/android_hardware_qcom_display
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display: Fix blending on MDP 3.0

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Assign the correct blending value
for MDP 3.0, earlier it was
incorrectly assigned to zero
for cases where blending was not needed.

Change-Id: Icec6541616c8a9dc6ffc0e99c5b2936389799656
This commit is contained in:
Naseer Ahmed 2012-01-11 12:30:27 +05:30 committed by Andrew Sutherland
parent 90e1eda3a3
commit 25297cbe9b
2 changed files with 2 additions and 2 deletions
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2
libcopybit/copybit.cpp
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@ -285,7 +285,7 @@ static int set_parameter_copybit(
}
break;
case COPYBIT_PLANE_ALPHA:
if (value < 0) value = 0;
if (value < 0) value = MDP_ALPHA_NOP;
if (value >= 256) value = 255;
ctx->mAlpha = value;
break;

2
libhwcomposer/hwcomposer.cpp
View File

@ -1069,7 +1069,7 @@ static int drawLayerUsingCopybit(hwc_composer_device_t *dev, hwc_layer_t *layer,
copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_HEIGHT, renderBuffer->height);
copybit->set_parameter(copybit, COPYBIT_TRANSFORM, layer->transform);
copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA,
(layer->blending == HWC_BLENDING_NONE) ? 0x0 : layer->alpha);
(layer->blending == HWC_BLENDING_NONE) ? -1 : layer->alpha);
copybit->set_parameter(copybit, COPYBIT_PREMULTIPLIED_ALPHA,
(layer->blending == HWC_BLENDING_PREMULT)? COPYBIT_ENABLE : COPYBIT_DISABLE);
err = copybit->stretch(copybit, &dst, &src, &dstRect, &srcRect, &copybitRegion);