diff options
Diffstat (limited to 'tests/F16StagesTest.cpp')
-rw-r--r-- | tests/F16StagesTest.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tests/F16StagesTest.cpp b/tests/F16StagesTest.cpp new file mode 100644 index 0000000000..73072e3870 --- /dev/null +++ b/tests/F16StagesTest.cpp @@ -0,0 +1,53 @@ +/* + * Copyright 2017 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SkRasterPipeline.h" +#include "Test.h" + +DEF_TEST(F16Stages, r) { + // Make sure SkRasterPipeline::load_f16 and store_f16 can handle a range of + // ordinary (0<=x<=1) and interesting (x<0, x>1) values. + float floats[16] = { + 0.0f, 0.25f, 0.5f, 1.0f, + -1.25f, -0.5f, 1.25f, 2.0f, + 0,0,0,0, 0,0,0,0, // pad a bit to make sure we qualify for platform-specific code + }; + uint16_t halfs[16] = {0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0}; + + float* f32 = floats; + uint16_t* f16 = halfs; + + { + SkRasterPipeline p; + p.append(SkRasterPipeline:: load_f32, &f32); + p.append(SkRasterPipeline::store_f16, &f16); + p.run(0,16/4); + } + REPORTER_ASSERT(r, f16[0] == 0x0000); + REPORTER_ASSERT(r, f16[1] == 0x3400); + REPORTER_ASSERT(r, f16[2] == 0x3800); + REPORTER_ASSERT(r, f16[3] == 0x3c00); + REPORTER_ASSERT(r, f16[4] == 0xbd00); + REPORTER_ASSERT(r, f16[5] == 0xb800); + REPORTER_ASSERT(r, f16[6] == 0x3d00); + REPORTER_ASSERT(r, f16[7] == 0x4000); + + { + SkRasterPipeline p; + p.append(SkRasterPipeline:: load_f16, &f16); + p.append(SkRasterPipeline::store_f32, &f32); + p.run(0,16/4); + } + REPORTER_ASSERT(r, f32[0] == 0.00f); + REPORTER_ASSERT(r, f32[1] == 0.25f); + REPORTER_ASSERT(r, f32[2] == 0.50f); + REPORTER_ASSERT(r, f32[3] == 1.00f); + REPORTER_ASSERT(r, f32[4] == -1.25f); + REPORTER_ASSERT(r, f32[5] == -0.50f); + REPORTER_ASSERT(r, f32[6] == 1.25f); + REPORTER_ASSERT(r, f32[7] == 2.00f); +} |