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Diffstat (limited to 'system/graphics/tests/gtest/TestQcms.cpp')
| -rw-r--r-- | system/graphics/tests/gtest/TestQcms.cpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/system/graphics/tests/gtest/TestQcms.cpp b/system/graphics/tests/gtest/TestQcms.cpp new file mode 100644 index 000000000..9a0cff019 --- /dev/null +++ b/system/graphics/tests/gtest/TestQcms.cpp @@ -0,0 +1,168 @@ +/* vim:set ts=2 sw=2 sts=2 et: */ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ + */ + +#include "gtest/gtest.h" +#include "gmock/gmock.h" + +#include "mozilla/ArrayUtils.h" +#include "qcms.h" +#include "transform_util.h" + +const size_t allGBSize = 1 * 256 * 256 * 4; +static unsigned char* createAllGB() { + unsigned char* buff = (unsigned char*)malloc(allGBSize); + int pos = 0; + for (int r = 0; r < 1; r++) { // Skip all R values for speed + for (int g = 0; g < 256; g++) { + for (int b = 0; b < 256; b++) { + buff[pos * 4 + 0] = r; + buff[pos * 4 + 1] = g; + buff[pos * 4 + 2] = b; + buff[pos * 4 + 3] = 0x80; + pos++; + } + } + } + + return buff; +} + +TEST(GfxQcms, Identity) { + // XXX: This means that we can't have qcms v2 unit test + // without changing the qcms API. + qcms_enable_iccv4(); + + qcms_profile* input_profile = qcms_profile_sRGB(); + qcms_profile* output_profile = qcms_profile_sRGB(); + + EXPECT_FALSE(qcms_profile_is_bogus(input_profile)); + EXPECT_FALSE(qcms_profile_is_bogus(output_profile)); + + const qcms_intent intent = QCMS_INTENT_DEFAULT; + qcms_data_type input_type = QCMS_DATA_RGBA_8; + qcms_data_type output_type = QCMS_DATA_RGBA_8; + + qcms_transform* transform = qcms_transform_create(input_profile, input_type, + output_profile, output_type, + intent); + + unsigned char *data_in = createAllGB();; + unsigned char *data_out = (unsigned char*)malloc(allGBSize); + qcms_transform_data(transform, data_in, data_out, allGBSize / 4); + + qcms_profile_release(input_profile); + qcms_profile_release(output_profile); + qcms_transform_release(transform); + + free(data_in); + free(data_out); +} + +TEST(GfxQcms, LutInverseCrash) { + uint16_t lutTable1[] = { + 0x0000, 0x0000, 0x0000, 0x8000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + }; + uint16_t lutTable2[] = { + 0xFFF0, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, + }; + + // Crash/Assert test + lut_inverse_interp16((uint16_t)5, lutTable1, (int)mozilla::ArrayLength(lutTable1)); + lut_inverse_interp16((uint16_t)5, lutTable2, (int)mozilla::ArrayLength(lutTable2)); +} + +TEST(GfxQcms, LutInverse) { + // mimic sRGB_v4_ICC mBA Output + // + // XXXX + // X + // X + // XXXX + uint16_t value; + uint16_t lutTable[256]; + + for (int i = 0; i < 20; i++) { + lutTable[i] = 0; + } + + for (int i = 20; i < 200; i++) { + lutTable[i] = (i - 20) * 0xFFFF / (200 - 20); + } + + for (int i = 200; i < (int)mozilla::ArrayLength(lutTable); i++) { + lutTable[i] = 0xFFFF; + } + + for (uint16_t i = 0; i < 65535; i++) { + lut_inverse_interp16(i, lutTable, (int)mozilla::ArrayLength(lutTable)); + } + + // Lookup the interesting points + + value = lut_inverse_interp16(0, lutTable, (int)mozilla::ArrayLength(lutTable)); + EXPECT_LE(value, 20 * 256); + + value = lut_inverse_interp16(1, lutTable, (int)mozilla::ArrayLength(lutTable)); + EXPECT_GT(value, 20 * 256); + + value = lut_inverse_interp16(65535, lutTable, (int)mozilla::ArrayLength(lutTable)); + EXPECT_LT(value, 201 * 256); +} + +TEST(GfxQcms, LutInverseNonMonotonic) { + // Make sure we behave sanely for non monotic functions + // X X X + // X X X + // X X X + uint16_t lutTable[256]; + + for (int i = 0; i < 100; i++) { + lutTable[i] = (i - 0) * 0xFFFF / (100 - 0); + } + + for (int i = 100; i < 200; i++) { + lutTable[i] = (i - 100) * 0xFFFF / (200 - 100); + } + + for (int i = 200; i < 256; i++) { + lutTable[i] = (i - 200) * 0xFFFF / (256 - 200); + } + + for (uint16_t i = 0; i < 65535; i++) { + lut_inverse_interp16(i, lutTable, (int)mozilla::ArrayLength(lutTable)); + } + + // Make sure we don't crash, hang or let sanitizers do their magic +} |