Add debug string functions for graphics.h enums
Test: see dataspace and colormode details when running with debug
Bug: 29940137
Change-Id: I9d3c60b1f9c71c44aba475450c7f867dcd68627e
diff --git a/libs/ui/DebugUtils.cpp b/libs/ui/DebugUtils.cpp
new file mode 100644
index 0000000..882bd7c
--- /dev/null
+++ b/libs/ui/DebugUtils.cpp
@@ -0,0 +1,187 @@
+/*
+ * Copyright 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ui/DebugUtils.h>
+
+#include <android-base/stringprintf.h>
+#include <string>
+
+std::string decodeStandard(android_dataspace dataspace) {
+ const uint32_t dataspaceSelect = (dataspace & HAL_DATASPACE_STANDARD_MASK);
+ switch (dataspaceSelect) {
+ case HAL_DATASPACE_STANDARD_BT709:
+ return std::string("BT709");
+
+ case HAL_DATASPACE_STANDARD_BT601_625:
+ return std::string("BT601_625");
+
+ case HAL_DATASPACE_STANDARD_BT601_625_UNADJUSTED:
+ return std::string("BT601_625_UNADJUSTED");
+
+ case HAL_DATASPACE_STANDARD_BT601_525:
+ return std::string("BT601_525");
+
+ case HAL_DATASPACE_STANDARD_BT601_525_UNADJUSTED:
+ return std::string("BT601_525_UNADJUSTED");
+
+ case HAL_DATASPACE_STANDARD_BT2020:
+ return std::string("BT2020");
+
+ case HAL_DATASPACE_STANDARD_BT2020_CONSTANT_LUMINANCE:
+ return std::string("BT2020 (constant luminance)");
+
+ case HAL_DATASPACE_STANDARD_BT470M:
+ return std::string("BT470M");
+
+ case HAL_DATASPACE_STANDARD_FILM:
+ return std::string("FILM");
+
+ case HAL_DATASPACE_STANDARD_DCI_P3:
+ return std::string("DCI-P3");
+
+ case HAL_DATASPACE_STANDARD_ADOBE_RGB:
+ return std::string("AdobeRGB");
+
+ case 0:
+ switch (dataspace & 0xffff) {
+ case HAL_DATASPACE_JFIF:
+ return std::string("(deprecated) JFIF (BT601_625, SMPTE_170M Full range)");
+
+ case HAL_DATASPACE_BT601_625:
+ return std::string("(deprecated) BT601_625 (BT601_625, SMPTE_170M Limited "
+ "range)");
+
+ case HAL_DATASPACE_BT601_525:
+ return std::string("(deprecated) BT601_525 (BT601_525, SMPTE_170M Limited "
+ "range)");
+
+ case HAL_DATASPACE_SRGB_LINEAR:
+ return std::string("(deprecated) SRGB Linear Full range");
+
+ case HAL_DATASPACE_SRGB:
+ return std::string("(deprecated) sRGB");
+
+ case HAL_DATASPACE_V0_BT709:
+ return std::string("(deprecated) BT709 (BT709, SMPTE_170M Limited range)");
+
+ case HAL_DATASPACE_ARBITRARY:
+ return std::string("ARBITRARY");
+
+ case HAL_DATASPACE_UNKNOWN:
+ // Fallthrough
+ default:
+ return android::base::StringPrintf("Unknown deprecated dataspace code %d",
+ dataspaceSelect);
+ }
+ }
+
+ return android::base::StringPrintf("Unknown dataspace code %d", dataspaceSelect);
+}
+
+std::string decodeTransfer(android_dataspace dataspace) {
+ const uint32_t dataspaceTransfer = (dataspace & HAL_DATASPACE_TRANSFER_MASK);
+ switch (dataspaceTransfer) {
+ case HAL_DATASPACE_TRANSFER_UNSPECIFIED:
+ return std::string("Unspecified");
+
+ case HAL_DATASPACE_TRANSFER_LINEAR:
+ return std::string("Linear");
+
+ case HAL_DATASPACE_TRANSFER_SRGB:
+ return std::string("sRGB");
+
+ case HAL_DATASPACE_TRANSFER_SMPTE_170M:
+ return std::string("SMPTE_170M");
+
+ case HAL_DATASPACE_TRANSFER_GAMMA2_2:
+ return std::string("gamma 2.2");
+
+ case HAL_DATASPACE_TRANSFER_GAMMA2_6:
+ return std::string("gamma 2.6");
+
+ case HAL_DATASPACE_TRANSFER_GAMMA2_8:
+ return std::string("gamma 2.8");
+
+ case HAL_DATASPACE_TRANSFER_ST2084:
+ return std::string("SMPTE 2084");
+
+ case HAL_DATASPACE_TRANSFER_HLG:
+ return std::string("STD-B67");
+ }
+
+ return android::base::StringPrintf("Unknown dataspace transfer %d", dataspaceTransfer);
+}
+
+std::string decodeRange(android_dataspace dataspace) {
+ const uint32_t dataspaceRange = (dataspace & HAL_DATASPACE_RANGE_MASK);
+ switch (dataspaceRange) {
+ case HAL_DATASPACE_RANGE_UNSPECIFIED:
+ return std::string("Range Unspecified");
+
+ case HAL_DATASPACE_RANGE_FULL:
+ return std::string("Full range");
+
+ case HAL_DATASPACE_RANGE_LIMITED:
+ return std::string("Limited range");
+
+ case HAL_DATASPACE_RANGE_EXTENDED:
+ return std::string("Extended range");
+ }
+
+ return android::base::StringPrintf("Unknown dataspace range %d", dataspaceRange);
+}
+
+std::string dataspaceDetails(android_dataspace dataspace) {
+ return android::base::StringPrintf("%s %s %s", decodeStandard(dataspace).c_str(),
+ decodeTransfer(dataspace).c_str(),
+ decodeRange(dataspace).c_str());
+}
+
+std::string decodeColorMode(android_color_mode colorMode) {
+ switch (colorMode) {
+ case HAL_COLOR_MODE_NATIVE:
+ return std::string("HAL_COLOR_MODE_NATIVE");
+
+ case HAL_COLOR_MODE_STANDARD_BT601_625:
+ return std::string("HAL_COLOR_MODE_BT601_625");
+
+ case HAL_COLOR_MODE_STANDARD_BT601_625_UNADJUSTED:
+ return std::string("HAL_COLOR_MODE_BT601_625_UNADJUSTED");
+
+ case HAL_COLOR_MODE_STANDARD_BT601_525:
+ return std::string("HAL_COLOR_MODE_BT601_525");
+
+ case HAL_COLOR_MODE_STANDARD_BT601_525_UNADJUSTED:
+ return std::string("HAL_COLOR_MODE_BT601_525_UNADJUSTED");
+
+ case HAL_COLOR_MODE_STANDARD_BT709:
+ return std::string("HAL_COLOR_MODE_BT709");
+
+ case HAL_COLOR_MODE_DCI_P3:
+ return std::string("HAL_COLOR_MODE_DCI_P3");
+
+ case HAL_COLOR_MODE_SRGB:
+ return std::string("HAL_COLOR_MODE_SRGB");
+
+ case HAL_COLOR_MODE_ADOBE_RGB:
+ return std::string("HAL_COLOR_MODE_ADOBE_RGB");
+
+ case HAL_COLOR_MODE_DISPLAY_P3:
+ return std::string("HAL_COLOR_MODE_DISPLAY_P3");
+ }
+
+ return android::base::StringPrintf("Unknown color mode %d", colorMode);
+}