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Merge "gralloc: Allow UBWC for explicitly defined UBWC HAL pixel format"

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Linux Build Service Account
2015-02-01 14:29:37 -08:00
committed by Gerrit - the friendly Code Review server
parent 642db195d0 81594f6d66
commit 09ca40a8d3
2 changed files with 11 additions and 7 deletions
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15
libgralloc/alloc_controller.cpp
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@@ -774,12 +774,15 @@ static bool isUBwcSupported(int format)
bool isUBwcEnabled(int format, int usage)
{
if (isUBwcFormat(format) ||
((usage & GRALLOC_USAGE_PRIVATE_ALLOC_UBWC) && isUBwcSupported(format)))
{
// Allow UBWC, only if GPU supports it and CPU usage flags are not set
if (AdrenoMemInfo::getInstance().isUBWCSupportedByGPU(format) &&
!(usage & (GRALLOC_USAGE_SW_READ_MASK |
// Allow UBWC, if client is using an explicitly defined UBWC pixel format.
if (isUBwcFormat(format))
return true;
// Allow UBWC, if client sets UBWC gralloc usage flag & GPU supports format.
if ((usage & GRALLOC_USAGE_PRIVATE_ALLOC_UBWC) && isUBwcSupported(format) &&
AdrenoMemInfo::getInstance().isUBWCSupportedByGPU(format)) {
// Allow UBWC, only if CPU usage flags are not set
if (!(usage & (GRALLOC_USAGE_SW_READ_MASK |
GRALLOC_USAGE_SW_WRITE_MASK))) {
return true;
}