Color transforms are now color modes.
Rename color transforms to color modes for all interfaces exposed to
surfaceflinger clients. Also split it out to be a separate
configuration value from display modes.
Bug: 29044347
Change-Id: I87e937f7c954a50c946e8e2c606797caa416c5d8
diff --git a/services/surfaceflinger/DisplayHardware/HWC2On1Adapter.cpp b/services/surfaceflinger/DisplayHardware/HWC2On1Adapter.cpp
index e739ef4..8bcee39 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2On1Adapter.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2On1Adapter.cpp
@@ -75,7 +75,7 @@
using namespace HWC2;
-static constexpr Attribute ColorTransform = static_cast<Attribute>(6);
+static constexpr Attribute ColorMode = static_cast<Attribute>(6);
namespace android {
@@ -268,9 +268,7 @@
&Display::setClientTarget, buffer_handle_t, int32_t,
int32_t, hwc_region_t>);
case FunctionDescriptor::SetColorMode:
- return asFP<HWC2_PFN_SET_COLOR_MODE>(
- displayHook<decltype(&Display::setColorMode),
- &Display::setColorMode, int32_t>);
+ return asFP<HWC2_PFN_SET_COLOR_MODE>(setColorModeHook);
case FunctionDescriptor::SetColorTransform:
return asFP<HWC2_PFN_SET_COLOR_TRANSFORM>(setColorTransformHook);
case FunctionDescriptor::SetOutputBuffer:
@@ -894,7 +892,7 @@
return Error::None;
}
-Error HWC2On1Adapter::Display::setColorMode(int32_t mode)
+Error HWC2On1Adapter::Display::setColorMode(android_color_mode_t mode)
{
std::unique_lock<std::recursive_mutex> lock (mStateMutex);
@@ -1198,11 +1196,14 @@
newConfig->setAttribute(Attribute::DpiY,
values[attributeMap[HWC_DISPLAY_DPI_Y]]);
if (hasColor) {
- newConfig->setAttribute(ColorTransform,
+ // In HWC1, color modes are referred to as color transforms. To avoid confusion with
+ // the HWC2 concept of color transforms, we internally refer to them as color modes for
+ // both HWC1 and 2.
+ newConfig->setAttribute(ColorMode,
values[attributeMap[HWC_DISPLAY_COLOR_TRANSFORM]]);
}
- // We can only do this after attempting to read the color transform
+ // We can only do this after attempting to read the color mode
newConfig->setHwc1Id(hwc1ConfigId);
for (auto& existingConfig : mConfigs) {
@@ -1678,8 +1679,8 @@
void HWC2On1Adapter::Display::Config::setHwc1Id(uint32_t id)
{
- int32_t colorTransform = getAttribute(ColorTransform);
- mHwc1Ids.emplace(colorTransform, id);
+ android_color_mode_t colorMode = static_cast<android_color_mode_t>(getAttribute(ColorMode));
+ mHwc1Ids.emplace(colorMode, id);
}
bool HWC2On1Adapter::Display::Config::hasHwc1Id(uint32_t id) const
@@ -1692,18 +1693,20 @@
return false;
}
-int32_t HWC2On1Adapter::Display::Config::getColorModeForHwc1Id(
- uint32_t id) const
+Error HWC2On1Adapter::Display::Config::getColorModeForHwc1Id(
+ uint32_t id, android_color_mode_t* outMode) const
{
for (const auto& idPair : mHwc1Ids) {
if (id == idPair.second) {
- return idPair.first;
+ *outMode = idPair.first;
+ return Error::None;
}
}
- return -1;
+ ALOGE("Unable to find color mode for HWC ID %" PRIu32 " on config %u", id, mId);
+ return Error::BadParameter;
}
-Error HWC2On1Adapter::Display::Config::getHwc1IdForColorMode(int32_t mode,
+Error HWC2On1Adapter::Display::Config::getHwc1IdForColorMode(android_color_mode_t mode,
uint32_t* outId) const
{
for (const auto& idPair : mHwc1Ids) {
@@ -1726,25 +1729,26 @@
return false;
}
}
- int32_t otherColorTransform = other.getAttribute(ColorTransform);
- if (mHwc1Ids.count(otherColorTransform) != 0) {
+ android_color_mode_t otherColorMode =
+ static_cast<android_color_mode_t>(other.getAttribute(ColorMode));
+ if (mHwc1Ids.count(otherColorMode) != 0) {
ALOGE("Attempted to merge two configs (%u and %u) which appear to be "
- "identical", mHwc1Ids.at(otherColorTransform),
- other.mHwc1Ids.at(otherColorTransform));
+ "identical", mHwc1Ids.at(otherColorMode),
+ other.mHwc1Ids.at(otherColorMode));
return false;
}
- mHwc1Ids.emplace(otherColorTransform,
- other.mHwc1Ids.at(otherColorTransform));
+ mHwc1Ids.emplace(otherColorMode,
+ other.mHwc1Ids.at(otherColorMode));
return true;
}
-std::set<int32_t> HWC2On1Adapter::Display::Config::getColorTransforms() const
+std::set<android_color_mode_t> HWC2On1Adapter::Display::Config::getColorModes() const
{
- std::set<int32_t> colorTransforms;
+ std::set<android_color_mode_t> colorModes;
for (const auto& idPair : mHwc1Ids) {
- colorTransforms.emplace(idPair.first);
+ colorModes.emplace(idPair.first);
}
- return colorTransforms;
+ return colorModes;
}
std::string HWC2On1Adapter::Display::Config::toString(bool splitLine) const
@@ -1787,15 +1791,15 @@
for (const auto& id : mHwc1Ids) {
- int32_t colorTransform = id.first;
+ android_color_mode_t colorMode = id.first;
uint32_t hwc1Id = id.second;
std::memset(buffer, 0, BUFFER_SIZE);
- if (colorTransform == mDisplay.mActiveColorMode) {
+ if (colorMode == mDisplay.mActiveColorMode) {
writtenBytes = snprintf(buffer, BUFFER_SIZE, " [%u/%d]", hwc1Id,
- colorTransform);
+ colorMode);
} else {
writtenBytes = snprintf(buffer, BUFFER_SIZE, " %u/%d", hwc1Id,
- colorTransform);
+ colorMode);
}
output.append(buffer, writtenBytes);
}
@@ -1814,10 +1818,10 @@
void HWC2On1Adapter::Display::populateColorModes()
{
- mColorModes = mConfigs[0]->getColorTransforms();
+ mColorModes = mConfigs[0]->getColorModes();
for (const auto& config : mConfigs) {
- std::set<int32_t> intersection;
- auto configModes = config->getColorTransforms();
+ std::set<android_color_mode_t> intersection;
+ auto configModes = config->getColorModes();
std::set_intersection(mColorModes.cbegin(), mColorModes.cend(),
configModes.cbegin(), configModes.cend(),
std::inserter(intersection, intersection.begin()));
@@ -1830,7 +1834,7 @@
if (mDevice.mHwc1Device->getActiveConfig == nullptr) {
ALOGV("getActiveConfig is null, choosing config 0");
mActiveConfig = mConfigs[0];
- mActiveColorMode = -1;
+ mActiveColorMode = HAL_COLOR_MODE_NATIVE;
return;
}
@@ -1842,7 +1846,13 @@
ALOGV("Setting active config to %d for HWC1 config %u",
config->getId(), activeConfig);
mActiveConfig = config;
- mActiveColorMode = config->getColorModeForHwc1Id(activeConfig);
+ if (config->getColorModeForHwc1Id(activeConfig, &mActiveColorMode) != Error::None) {
+ // This should never happen since we checked for the config's presence before
+ // setting it as active.
+ ALOGE("Unable to find color mode for active HWC1 config %d",
+ config->getId());
+ mActiveColorMode = HAL_COLOR_MODE_NATIVE;
+ }
break;
}
}
@@ -1850,7 +1860,7 @@
ALOGV("Unable to find active HWC1 config %u, defaulting to "
"config 0", activeConfig);
mActiveConfig = mConfigs[0];
- mActiveColorMode = -1;
+ mActiveColorMode = HAL_COLOR_MODE_NATIVE;
}
}
}