| /*------------------------------------------------------------------------- |
| * drawElements Quality Program OpenGL ES 3.0 Module |
| * ------------------------------------------------- |
| * |
| * Copyright 2014 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. |
| * |
| *//*! |
| * \file |
| * \brief Floating-point packing and unpacking function tests. |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "es3fShaderPackingFunctionTests.hpp" |
| #include "glsShaderExecUtil.hpp" |
| #include "tcuTestLog.hpp" |
| #include "tcuFormatUtil.hpp" |
| #include "tcuFloat.hpp" |
| #include "deRandom.hpp" |
| #include "deMath.h" |
| #include "deString.h" |
| |
| namespace deqp |
| { |
| namespace gles3 |
| { |
| namespace Functional |
| { |
| |
| using std::string; |
| using tcu::TestLog; |
| using namespace gls::ShaderExecUtil; |
| |
| namespace |
| { |
| |
| inline uint32_t getUlpDiff(float a, float b) |
| { |
| const uint32_t aBits = tcu::Float32(a).bits(); |
| const uint32_t bBits = tcu::Float32(b).bits(); |
| return aBits > bBits ? aBits - bBits : bBits - aBits; |
| } |
| |
| struct HexFloat |
| { |
| const float value; |
| HexFloat(const float value_) : value(value_) |
| { |
| } |
| }; |
| |
| std::ostream &operator<<(std::ostream &str, const HexFloat &v) |
| { |
| return str << v.value << " / " << tcu::toHex(tcu::Float32(v.value).bits()); |
| } |
| |
| } // namespace |
| |
| // ShaderPackingFunctionCase |
| |
| class ShaderPackingFunctionCase : public TestCase |
| { |
| public: |
| ShaderPackingFunctionCase(Context &context, const char *name, const char *description, glu::ShaderType shaderType); |
| ~ShaderPackingFunctionCase(void); |
| |
| void init(void); |
| void deinit(void); |
| |
| protected: |
| glu::ShaderType m_shaderType; |
| ShaderSpec m_spec; |
| ShaderExecutor *m_executor; |
| |
| private: |
| ShaderPackingFunctionCase(const ShaderPackingFunctionCase &other); |
| ShaderPackingFunctionCase &operator=(const ShaderPackingFunctionCase &other); |
| }; |
| |
| ShaderPackingFunctionCase::ShaderPackingFunctionCase(Context &context, const char *name, const char *description, |
| glu::ShaderType shaderType) |
| : TestCase(context, name, description) |
| , m_shaderType(shaderType) |
| , m_executor(nullptr) |
| { |
| m_spec.version = glu::GLSL_VERSION_300_ES; |
| } |
| |
| ShaderPackingFunctionCase::~ShaderPackingFunctionCase(void) |
| { |
| ShaderPackingFunctionCase::deinit(); |
| } |
| |
| void ShaderPackingFunctionCase::init(void) |
| { |
| DE_ASSERT(!m_executor); |
| |
| m_executor = createExecutor(m_context.getRenderContext(), m_shaderType, m_spec); |
| m_testCtx.getLog() << m_executor; |
| |
| if (!m_executor->isOk()) |
| throw tcu::TestError("Compile failed"); |
| } |
| |
| void ShaderPackingFunctionCase::deinit(void) |
| { |
| delete m_executor; |
| m_executor = nullptr; |
| } |
| |
| // Test cases |
| |
| class PackSnorm2x16Case : public ShaderPackingFunctionCase |
| { |
| public: |
| PackSnorm2x16Case(Context &context, glu::ShaderType shaderType, glu::Precision precision) |
| : ShaderPackingFunctionCase( |
| context, |
| (string("packsnorm2x16") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), |
| "packSnorm2x16", shaderType) |
| , m_precision(precision) |
| { |
| m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC2, precision))); |
| m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| |
| m_spec.source = "out0 = packSnorm2x16(in0);"; |
| } |
| |
| IterateResult iterate(void) |
| { |
| de::Random rnd(deStringHash(getName()) ^ 0x776002); |
| std::vector<tcu::Vec2> inputs; |
| std::vector<uint32_t> outputs; |
| const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only. |
| m_precision == glu::PRECISION_MEDIUMP ? 33 : // (2^-10) * (2^15) + 1 |
| m_precision == glu::PRECISION_LOWP ? 129 : 0; // (2^-8) * (2^15) + 1 |
| |
| // Special values to check. |
| inputs.push_back(tcu::Vec2(0.0f, 0.0f)); |
| inputs.push_back(tcu::Vec2(-1.0f, 1.0f)); |
| inputs.push_back(tcu::Vec2(0.5f, -0.5f)); |
| inputs.push_back(tcu::Vec2(-1.5f, 1.5f)); |
| inputs.push_back(tcu::Vec2(0.25f, -0.75f)); |
| |
| // Random values, mostly in range. |
| for (int ndx = 0; ndx < 15; ndx++) |
| { |
| const float x = rnd.getFloat() * 2.5f - 1.25f; |
| const float y = rnd.getFloat() * 2.5f - 1.25f; |
| inputs.push_back(tcu::Vec2(x, y)); |
| } |
| |
| // Large random values. |
| for (int ndx = 0; ndx < 80; ndx++) |
| { |
| const float x = rnd.getFloat() * 1e6f - 0.5e6f; |
| const float y = rnd.getFloat() * 1e6f - 0.5e6f; |
| inputs.push_back(tcu::Vec2(x, y)); |
| } |
| |
| outputs.resize(inputs.size()); |
| |
| m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" |
| << tcu::TestLog::EndMessage; |
| |
| { |
| const void *in = &inputs[0]; |
| void *out = &outputs[0]; |
| |
| m_executor->useProgram(); |
| m_executor->execute((int)inputs.size(), &in, &out); |
| } |
| |
| // Verify |
| { |
| const int numValues = (int)inputs.size(); |
| const int maxPrints = 10; |
| int numFailed = 0; |
| |
| for (int valNdx = 0; valNdx < numValues; valNdx++) |
| { |
| const uint16_t ref0 = |
| (uint16_t)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), -1.0f, 1.0f) * 32767.0f), |
| -(1 << 15), (1 << 15) - 1); |
| const uint16_t ref1 = |
| (uint16_t)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), -1.0f, 1.0f) * 32767.0f), |
| -(1 << 15), (1 << 15) - 1); |
| const uint32_t ref = (ref1 << 16) | ref0; |
| const uint32_t res = outputs[valNdx]; |
| const uint16_t res0 = (uint16_t)(res & 0xffff); |
| const uint16_t res1 = (uint16_t)(res >> 16); |
| const int diff0 = de::abs((int)ref0 - (int)res0); |
| const int diff1 = de::abs((int)ref1 - (int)res1); |
| |
| if (diff0 > maxDiff || diff1 > maxDiff) |
| { |
| if (numFailed < maxPrints) |
| { |
| m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| << ", expected packSnorm2x16(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| << ", got " << tcu::toHex(res) << "\n diffs = (" << diff0 << ", " << diff1 |
| << "), max diff = " << maxDiff << TestLog::EndMessage; |
| } |
| else if (numFailed == maxPrints) |
| m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| |
| numFailed += 1; |
| } |
| } |
| |
| m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" |
| << TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| numFailed == 0 ? "Pass" : "Result comparison failed"); |
| } |
| |
| return STOP; |
| } |
| |
| private: |
| glu::Precision m_precision; |
| }; |
| |
| class UnpackSnorm2x16Case : public ShaderPackingFunctionCase |
| { |
| public: |
| UnpackSnorm2x16Case(Context &context, glu::ShaderType shaderType) |
| : ShaderPackingFunctionCase(context, (string("unpacksnorm2x16") + getShaderTypePostfix(shaderType)).c_str(), |
| "unpackSnorm2x16", shaderType) |
| { |
| m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_HIGHP))); |
| |
| m_spec.source = "out0 = unpackSnorm2x16(in0);"; |
| } |
| |
| IterateResult iterate(void) |
| { |
| const uint32_t maxDiff = 1; // Rounding error. |
| de::Random rnd(deStringHash(getName()) ^ 0x776002); |
| std::vector<uint32_t> inputs; |
| std::vector<tcu::Vec2> outputs; |
| |
| inputs.push_back(0x00000000u); |
| inputs.push_back(0x7fff8000u); |
| inputs.push_back(0x80007fffu); |
| inputs.push_back(0xffffffffu); |
| inputs.push_back(0x0001fffeu); |
| |
| // Random values. |
| for (int ndx = 0; ndx < 95; ndx++) |
| inputs.push_back(rnd.getUint32()); |
| |
| outputs.resize(inputs.size()); |
| |
| m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" |
| << tcu::TestLog::EndMessage; |
| |
| { |
| const void *in = &inputs[0]; |
| void *out = &outputs[0]; |
| |
| m_executor->useProgram(); |
| m_executor->execute((int)inputs.size(), &in, &out); |
| } |
| |
| // Verify |
| { |
| const int numValues = (int)inputs.size(); |
| const int maxPrints = 10; |
| int numFailed = 0; |
| |
| for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| { |
| const int16_t in0 = (int16_t)(uint16_t)(inputs[valNdx] & 0xffff); |
| const int16_t in1 = (int16_t)(uint16_t)(inputs[valNdx] >> 16); |
| const float ref0 = de::clamp(float(in0) / 32767.f, -1.0f, 1.0f); |
| const float ref1 = de::clamp(float(in1) / 32767.f, -1.0f, 1.0f); |
| const float res0 = outputs[valNdx].x(); |
| const float res1 = outputs[valNdx].y(); |
| |
| const uint32_t diff0 = getUlpDiff(ref0, res0); |
| const uint32_t diff1 = getUlpDiff(ref1, res1); |
| |
| if (diff0 > maxDiff || diff1 > maxDiff) |
| { |
| if (numFailed < maxPrints) |
| { |
| m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| << " expected unpackSnorm2x16(" << tcu::toHex(inputs[valNdx]) << ") = " |
| << "vec2(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ")" |
| << ", got vec2(" << HexFloat(res0) << ", " << HexFloat(res1) << ")" |
| << "\n ULP diffs = (" << diff0 << ", " << diff1 |
| << "), max diff = " << maxDiff << TestLog::EndMessage; |
| } |
| else if (numFailed == maxPrints) |
| m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| |
| numFailed += 1; |
| } |
| } |
| |
| m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" |
| << TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| numFailed == 0 ? "Pass" : "Result comparison failed"); |
| } |
| |
| return STOP; |
| } |
| }; |
| |
| class PackUnorm2x16Case : public ShaderPackingFunctionCase |
| { |
| public: |
| PackUnorm2x16Case(Context &context, glu::ShaderType shaderType, glu::Precision precision) |
| : ShaderPackingFunctionCase( |
| context, |
| (string("packunorm2x16") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), |
| "packUnorm2x16", shaderType) |
| , m_precision(precision) |
| { |
| m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC2, precision))); |
| m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| |
| m_spec.source = "out0 = packUnorm2x16(in0);"; |
| } |
| |
| IterateResult iterate(void) |
| { |
| de::Random rnd(deStringHash(getName()) ^ 0x776002); |
| std::vector<tcu::Vec2> inputs; |
| std::vector<uint32_t> outputs; |
| const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only. |
| m_precision == glu::PRECISION_MEDIUMP ? 65 : // (2^-10) * (2^16) + 1 |
| m_precision == glu::PRECISION_LOWP ? 257 : 0; // (2^-8) * (2^16) + 1 |
| |
| // Special values to check. |
| inputs.push_back(tcu::Vec2(0.0f, 0.0f)); |
| inputs.push_back(tcu::Vec2(0.5f, 1.0f)); |
| inputs.push_back(tcu::Vec2(1.0f, 0.5f)); |
| inputs.push_back(tcu::Vec2(-0.5f, 1.5f)); |
| inputs.push_back(tcu::Vec2(0.25f, 0.75f)); |
| |
| // Random values, mostly in range. |
| for (int ndx = 0; ndx < 15; ndx++) |
| { |
| const float x = rnd.getFloat() * 1.25f; |
| const float y = rnd.getFloat() * 1.25f; |
| inputs.push_back(tcu::Vec2(x, y)); |
| } |
| |
| // Large random values. |
| for (int ndx = 0; ndx < 80; ndx++) |
| { |
| const float x = rnd.getFloat() * 1e6f - 1e5f; |
| const float y = rnd.getFloat() * 1e6f - 1e5f; |
| inputs.push_back(tcu::Vec2(x, y)); |
| } |
| |
| outputs.resize(inputs.size()); |
| |
| m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" |
| << tcu::TestLog::EndMessage; |
| |
| { |
| const void *in = &inputs[0]; |
| void *out = &outputs[0]; |
| |
| m_executor->useProgram(); |
| m_executor->execute((int)inputs.size(), &in, &out); |
| } |
| |
| // Verify |
| { |
| const int numValues = (int)inputs.size(); |
| const int maxPrints = 10; |
| int numFailed = 0; |
| |
| for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| { |
| const uint16_t ref0 = (uint16_t)de::clamp( |
| deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), 0.0f, 1.0f) * 65535.0f), 0, (1 << 16) - 1); |
| const uint16_t ref1 = (uint16_t)de::clamp( |
| deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), 0.0f, 1.0f) * 65535.0f), 0, (1 << 16) - 1); |
| const uint32_t ref = (ref1 << 16) | ref0; |
| const uint32_t res = outputs[valNdx]; |
| const uint16_t res0 = (uint16_t)(res & 0xffff); |
| const uint16_t res1 = (uint16_t)(res >> 16); |
| const int diff0 = de::abs((int)ref0 - (int)res0); |
| const int diff1 = de::abs((int)ref1 - (int)res1); |
| |
| if (diff0 > maxDiff || diff1 > maxDiff) |
| { |
| if (numFailed < maxPrints) |
| { |
| m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| << ", expected packUnorm2x16(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| << ", got " << tcu::toHex(res) << "\n diffs = (" << diff0 << ", " << diff1 |
| << "), max diff = " << maxDiff << TestLog::EndMessage; |
| } |
| else if (numFailed == maxPrints) |
| m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| |
| numFailed += 1; |
| } |
| } |
| |
| m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" |
| << TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| numFailed == 0 ? "Pass" : "Result comparison failed"); |
| } |
| |
| return STOP; |
| } |
| |
| private: |
| glu::Precision m_precision; |
| }; |
| |
| class UnpackUnorm2x16Case : public ShaderPackingFunctionCase |
| { |
| public: |
| UnpackUnorm2x16Case(Context &context, glu::ShaderType shaderType) |
| : ShaderPackingFunctionCase(context, (string("unpackunorm2x16") + getShaderTypePostfix(shaderType)).c_str(), |
| "unpackUnorm2x16", shaderType) |
| { |
| m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_HIGHP))); |
| |
| m_spec.source = "out0 = unpackUnorm2x16(in0);"; |
| } |
| |
| IterateResult iterate(void) |
| { |
| const uint32_t maxDiff = 1; // Rounding error. |
| de::Random rnd(deStringHash(getName()) ^ 0x776002); |
| std::vector<uint32_t> inputs; |
| std::vector<tcu::Vec2> outputs; |
| |
| inputs.push_back(0x00000000u); |
| inputs.push_back(0x7fff8000u); |
| inputs.push_back(0x80007fffu); |
| inputs.push_back(0xffffffffu); |
| inputs.push_back(0x0001fffeu); |
| |
| // Random values. |
| for (int ndx = 0; ndx < 95; ndx++) |
| inputs.push_back(rnd.getUint32()); |
| |
| outputs.resize(inputs.size()); |
| |
| m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" |
| << tcu::TestLog::EndMessage; |
| |
| { |
| const void *in = &inputs[0]; |
| void *out = &outputs[0]; |
| |
| m_executor->useProgram(); |
| m_executor->execute((int)inputs.size(), &in, &out); |
| } |
| |
| // Verify |
| { |
| const int numValues = (int)inputs.size(); |
| const int maxPrints = 10; |
| int numFailed = 0; |
| |
| for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| { |
| const uint16_t in0 = (uint16_t)(inputs[valNdx] & 0xffff); |
| const uint16_t in1 = (uint16_t)(inputs[valNdx] >> 16); |
| const float ref0 = float(in0) / 65535.0f; |
| const float ref1 = float(in1) / 65535.0f; |
| const float res0 = outputs[valNdx].x(); |
| const float res1 = outputs[valNdx].y(); |
| |
| const uint32_t diff0 = getUlpDiff(ref0, res0); |
| const uint32_t diff1 = getUlpDiff(ref1, res1); |
| |
| if (diff0 > maxDiff || diff1 > maxDiff) |
| { |
| if (numFailed < maxPrints) |
| { |
| m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| << " expected unpackUnorm2x16(" << tcu::toHex(inputs[valNdx]) << ") = " |
| << "vec2(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ")" |
| << ", got vec2(" << HexFloat(res0) << ", " << HexFloat(res1) << ")" |
| << "\n ULP diffs = (" << diff0 << ", " << diff1 |
| << "), max diff = " << maxDiff << TestLog::EndMessage; |
| } |
| else if (numFailed == maxPrints) |
| m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| |
| numFailed += 1; |
| } |
| } |
| |
| m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" |
| << TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| numFailed == 0 ? "Pass" : "Result comparison failed"); |
| } |
| |
| return STOP; |
| } |
| }; |
| |
| class PackHalf2x16Case : public ShaderPackingFunctionCase |
| { |
| public: |
| PackHalf2x16Case(Context &context, glu::ShaderType shaderType) |
| : ShaderPackingFunctionCase(context, (string("packhalf2x16") + getShaderTypePostfix(shaderType)).c_str(), |
| "packHalf2x16", shaderType) |
| { |
| m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_HIGHP))); |
| m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| |
| m_spec.source = "out0 = packHalf2x16(in0);"; |
| } |
| |
| IterateResult iterate(void) |
| { |
| const int maxDiff = 0; // Values can be represented exactly in mediump. |
| de::Random rnd(deStringHash(getName()) ^ 0x776002); |
| std::vector<tcu::Vec2> inputs; |
| std::vector<uint32_t> outputs; |
| |
| // Special values to check. |
| inputs.push_back(tcu::Vec2(0.0f, 0.0f)); |
| inputs.push_back(tcu::Vec2(0.5f, 1.0f)); |
| inputs.push_back(tcu::Vec2(1.0f, 0.5f)); |
| inputs.push_back(tcu::Vec2(-0.5f, 1.5f)); |
| inputs.push_back(tcu::Vec2(0.25f, 0.75f)); |
| |
| // Random values. |
| { |
| const int minExp = -14; |
| const int maxExp = 15; |
| |
| for (int ndx = 0; ndx < 95; ndx++) |
| { |
| tcu::Vec2 v; |
| for (int c = 0; c < 2; c++) |
| { |
| const int s = rnd.getBool() ? 1 : -1; |
| const int exp = rnd.getInt(minExp, maxExp); |
| const uint32_t mantissa = rnd.getUint32() & ((1 << 23) - 1); |
| |
| v[c] = tcu::Float32::construct(s, exp ? exp : 1 /* avoid denormals */, (1u << 23) | mantissa) |
| .asFloat(); |
| } |
| inputs.push_back(v); |
| } |
| } |
| |
| // Convert input values to fp16 and back to make sure they can be represented exactly in mediump. |
| for (std::vector<tcu::Vec2>::iterator inVal = inputs.begin(); inVal != inputs.end(); ++inVal) |
| *inVal = tcu::Vec2(tcu::Float16(inVal->x()).asFloat(), tcu::Float16(inVal->y()).asFloat()); |
| |
| outputs.resize(inputs.size()); |
| |
| m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" |
| << tcu::TestLog::EndMessage; |
| |
| { |
| const void *in = &inputs[0]; |
| void *out = &outputs[0]; |
| |
| m_executor->useProgram(); |
| m_executor->execute((int)inputs.size(), &in, &out); |
| } |
| |
| // Verify |
| { |
| const int numValues = (int)inputs.size(); |
| const int maxPrints = 10; |
| int numFailed = 0; |
| |
| for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| { |
| const uint16_t ref0 = (uint16_t)tcu::Float16(inputs[valNdx].x()).bits(); |
| const uint16_t ref1 = (uint16_t)tcu::Float16(inputs[valNdx].y()).bits(); |
| const uint32_t ref = (ref1 << 16) | ref0; |
| const uint32_t res = outputs[valNdx]; |
| const uint16_t res0 = (uint16_t)(res & 0xffff); |
| const uint16_t res1 = (uint16_t)(res >> 16); |
| const int diff0 = de::abs((int)ref0 - (int)res0); |
| const int diff1 = de::abs((int)ref1 - (int)res1); |
| |
| if (diff0 > maxDiff || diff1 > maxDiff) |
| { |
| if (numFailed < maxPrints) |
| { |
| m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx |
| << ", expected packHalf2x16(" << inputs[valNdx] << ") = " << tcu::toHex(ref) |
| << ", got " << tcu::toHex(res) << "\n diffs = (" << diff0 << ", " << diff1 |
| << "), max diff = " << maxDiff << TestLog::EndMessage; |
| } |
| else if (numFailed == maxPrints) |
| m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| |
| numFailed += 1; |
| } |
| } |
| |
| m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" |
| << TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| numFailed == 0 ? "Pass" : "Result comparison failed"); |
| } |
| |
| return STOP; |
| } |
| }; |
| |
| class UnpackHalf2x16Case : public ShaderPackingFunctionCase |
| { |
| public: |
| UnpackHalf2x16Case(Context &context, glu::ShaderType shaderType) |
| : ShaderPackingFunctionCase(context, (string("unpackhalf2x16") + getShaderTypePostfix(shaderType)).c_str(), |
| "unpackHalf2x16", shaderType) |
| { |
| m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP))); |
| m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_FLOAT_VEC2, glu::PRECISION_MEDIUMP))); |
| |
| m_spec.source = "out0 = unpackHalf2x16(in0);"; |
| } |
| |
| IterateResult iterate(void) |
| { |
| const int maxDiff = 0; // All bits must be accurate. |
| de::Random rnd(deStringHash(getName()) ^ 0x776002); |
| std::vector<uint32_t> inputs; |
| std::vector<tcu::Vec2> outputs; |
| |
| // Special values. |
| inputs.push_back((tcu::Float16(0.0f).bits() << 16) | tcu::Float16(1.0f).bits()); |
| inputs.push_back((tcu::Float16(1.0f).bits() << 16) | tcu::Float16(0.0f).bits()); |
| inputs.push_back((tcu::Float16(-1.0f).bits() << 16) | tcu::Float16(0.5f).bits()); |
| inputs.push_back((tcu::Float16(0.5f).bits() << 16) | tcu::Float16(-0.5f).bits()); |
| |
| // Construct random values. |
| { |
| const int minExp = -14; |
| const int maxExp = 15; |
| const int mantBits = 10; |
| |
| for (int ndx = 0; ndx < 96; ndx++) |
| { |
| uint32_t inVal = 0; |
| for (int c = 0; c < 2; c++) |
| { |
| const int s = rnd.getBool() ? 1 : -1; |
| const int exp = rnd.getInt(minExp, maxExp); |
| const uint32_t mantissa = rnd.getUint32() & ((1 << mantBits) - 1); |
| const uint16_t value = |
| tcu::Float16::construct(s, exp ? exp : 1 /* avoid denorm */, (uint16_t)((1u << 10) | mantissa)) |
| .bits(); |
| |
| inVal |= value << (16 * c); |
| } |
| inputs.push_back(inVal); |
| } |
| } |
| |
| outputs.resize(inputs.size()); |
| |
| m_testCtx.getLog() << TestLog::Message << "Executing shader for " << inputs.size() << " input values" |
| << tcu::TestLog::EndMessage; |
| |
| { |
| const void *in = &inputs[0]; |
| void *out = &outputs[0]; |
| |
| m_executor->useProgram(); |
| m_executor->execute((int)inputs.size(), &in, &out); |
| } |
| |
| // Verify |
| { |
| const int numValues = (int)inputs.size(); |
| const int maxPrints = 10; |
| int numFailed = 0; |
| |
| for (int valNdx = 0; valNdx < (int)inputs.size(); valNdx++) |
| { |
| const uint16_t in0 = (uint16_t)(inputs[valNdx] & 0xffff); |
| const uint16_t in1 = (uint16_t)(inputs[valNdx] >> 16); |
| const float ref0 = tcu::Float16(in0).asFloat(); |
| const float ref1 = tcu::Float16(in1).asFloat(); |
| const float res0 = outputs[valNdx].x(); |
| const float res1 = outputs[valNdx].y(); |
| |
| const uint32_t refBits0 = tcu::Float32(ref0).bits(); |
| const uint32_t refBits1 = tcu::Float32(ref1).bits(); |
| const uint32_t resBits0 = tcu::Float32(res0).bits(); |
| const uint32_t resBits1 = tcu::Float32(res1).bits(); |
| |
| const int diff0 = de::abs((int)refBits0 - (int)resBits0); |
| const int diff1 = de::abs((int)refBits1 - (int)resBits1); |
| |
| if (diff0 > maxDiff || diff1 > maxDiff) |
| { |
| if (numFailed < maxPrints) |
| { |
| m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n" |
| << " expected unpackHalf2x16(" << tcu::toHex(inputs[valNdx]) << ") = " |
| << "vec2(" << ref0 << " / " << tcu::toHex(refBits0) << ", " << ref1 << " / " |
| << tcu::toHex(refBits1) << ")" |
| << ", got vec2(" << res0 << " / " << tcu::toHex(resBits0) << ", " << res1 |
| << " / " << tcu::toHex(resBits1) << ")" |
| << "\n ULP diffs = (" << diff0 << ", " << diff1 |
| << "), max diff = " << maxDiff << TestLog::EndMessage; |
| } |
| else if (numFailed == maxPrints) |
| m_testCtx.getLog() << TestLog::Message << "..." << TestLog::EndMessage; |
| |
| numFailed += 1; |
| } |
| } |
| |
| m_testCtx.getLog() << TestLog::Message << (numValues - numFailed) << " / " << numValues << " values passed" |
| << TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(numFailed == 0 ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| numFailed == 0 ? "Pass" : "Result comparison failed"); |
| } |
| |
| return STOP; |
| } |
| }; |
| |
| ShaderPackingFunctionTests::ShaderPackingFunctionTests(Context &context) |
| : TestCaseGroup(context, "pack_unpack", "Floating-point pack and unpack function tests") |
| { |
| } |
| |
| ShaderPackingFunctionTests::~ShaderPackingFunctionTests(void) |
| { |
| } |
| |
| void ShaderPackingFunctionTests::init(void) |
| { |
| addChild(new PackSnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX, glu::PRECISION_LOWP)); |
| addChild(new PackSnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT, glu::PRECISION_LOWP)); |
| addChild(new PackSnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX, glu::PRECISION_MEDIUMP)); |
| addChild(new PackSnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT, glu::PRECISION_MEDIUMP)); |
| addChild(new PackSnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX, glu::PRECISION_HIGHP)); |
| addChild(new PackSnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT, glu::PRECISION_HIGHP)); |
| |
| addChild(new UnpackSnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX)); |
| addChild(new UnpackSnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT)); |
| |
| addChild(new PackUnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX, glu::PRECISION_LOWP)); |
| addChild(new PackUnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT, glu::PRECISION_LOWP)); |
| addChild(new PackUnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX, glu::PRECISION_MEDIUMP)); |
| addChild(new PackUnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT, glu::PRECISION_MEDIUMP)); |
| addChild(new PackUnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX, glu::PRECISION_HIGHP)); |
| addChild(new PackUnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT, glu::PRECISION_HIGHP)); |
| |
| addChild(new UnpackUnorm2x16Case(m_context, glu::SHADERTYPE_VERTEX)); |
| addChild(new UnpackUnorm2x16Case(m_context, glu::SHADERTYPE_FRAGMENT)); |
| |
| addChild(new PackHalf2x16Case(m_context, glu::SHADERTYPE_VERTEX)); |
| addChild(new PackHalf2x16Case(m_context, glu::SHADERTYPE_FRAGMENT)); |
| |
| addChild(new UnpackHalf2x16Case(m_context, glu::SHADERTYPE_VERTEX)); |
| addChild(new UnpackHalf2x16Case(m_context, glu::SHADERTYPE_FRAGMENT)); |
| } |
| |
| } // namespace Functional |
| } // namespace gles3 |
| } // namespace deqp |
