Import dEQP.
Import drawElements Quality Program from an internal repository.
Bug: 17388917
Change-Id: Ic109fe4a57e31b2a816113d90fbdf51a43e7abeb
diff --git a/modules/gles31/functional/es31fShaderPackingFunctionTests.cpp b/modules/gles31/functional/es31fShaderPackingFunctionTests.cpp
new file mode 100644
index 0000000..c8129e5
--- /dev/null
+++ b/modules/gles31/functional/es31fShaderPackingFunctionTests.cpp
@@ -0,0 +1,1252 @@
+/*-------------------------------------------------------------------------
+ * drawElements Quality Program OpenGL ES 3.1 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 "es31fShaderPackingFunctionTests.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 gles31
+{
+namespace Functional
+{
+
+using std::string;
+using tcu::TestLog;
+using namespace gls::ShaderExecUtil;
+
+namespace
+{
+
+inline deUint32 getUlpDiff (float a, float b)
+{
+ const deUint32 aBits = tcu::Float32(a).bits();
+ const deUint32 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());
+}
+
+} // anonymous
+
+// 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 (DE_NULL)
+{
+ m_spec.version = glu::GLSL_VERSION_310_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 = DE_NULL;
+}
+
+// Test cases
+
+static const char* getPrecisionPostfix (glu::Precision precision)
+{
+ static const char* s_postfix[] =
+ {
+ "_lowp",
+ "_mediump",
+ "_highp"
+ };
+ DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(s_postfix) == glu::PRECISION_LAST);
+ DE_ASSERT(de::inBounds<int>(precision, 0, DE_LENGTH_OF_ARRAY(s_postfix)));
+ return s_postfix[precision];
+}
+
+static const char* getShaderTypePostfix (glu::ShaderType shaderType)
+{
+ static const char* s_postfix[] =
+ {
+ "_vertex",
+ "_fragment",
+ "_geometry",
+ "_tess_control",
+ "_tess_eval",
+ "_compute"
+ };
+ DE_ASSERT(de::inBounds<int>(shaderType, 0, DE_LENGTH_OF_ARRAY(s_postfix)));
+ return s_postfix[shaderType];
+}
+
+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<deUint32> 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 deUint16 ref0 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), -1.0f, 1.0f) * 32767.0f), -(1<<15), (1<<15)-1);
+ const deUint16 ref1 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), -1.0f, 1.0f) * 32767.0f), -(1<<15), (1<<15)-1);
+ const deUint32 ref = (ref1 << 16) | ref0;
+ const deUint32 res = outputs[valNdx];
+ const deUint16 res0 = (deUint16)(res & 0xffff);
+ const deUint16 res1 = (deUint16)(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 deUint32 maxDiff = 1; // Rounding error.
+ de::Random rnd (deStringHash(getName()) ^ 0x776002);
+ std::vector<deUint32> 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 deInt16 in0 = (deInt16)(deUint16)(inputs[valNdx] & 0xffff);
+ const deInt16 in1 = (deInt16)(deUint16)(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 deUint32 diff0 = getUlpDiff(ref0, res0);
+ const deUint32 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<deUint32> 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 deUint16 ref0 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), 0.0f, 1.0f) * 65535.0f), 0, (1<<16)-1);
+ const deUint16 ref1 = (deUint16)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), 0.0f, 1.0f) * 65535.0f), 0, (1<<16)-1);
+ const deUint32 ref = (ref1 << 16) | ref0;
+ const deUint32 res = outputs[valNdx];
+ const deUint16 res0 = (deUint16)(res & 0xffff);
+ const deUint16 res1 = (deUint16)(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 deUint32 maxDiff = 1; // Rounding error.
+ de::Random rnd (deStringHash(getName()) ^ 0x776002);
+ std::vector<deUint32> 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 deUint16 in0 = (deUint16)(inputs[valNdx] & 0xffff);
+ const deUint16 in1 = (deUint16)(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 deUint32 diff0 = getUlpDiff(ref0, res0);
+ const deUint32 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<deUint32> 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 deUint32 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 deUint16 ref0 = (deUint16)tcu::Float16(inputs[valNdx].x()).bits();
+ const deUint16 ref1 = (deUint16)tcu::Float16(inputs[valNdx].y()).bits();
+ const deUint32 ref = (ref1 << 16) | ref0;
+ const deUint32 res = outputs[valNdx];
+ const deUint16 res0 = (deUint16)(res & 0xffff);
+ const deUint16 res1 = (deUint16)(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<deUint32> 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++)
+ {
+ deUint32 inVal = 0;
+ for (int c = 0; c < 2; c++)
+ {
+ const int s = rnd.getBool() ? 1 : -1;
+ const int exp = rnd.getInt(minExp, maxExp);
+ const deUint32 mantissa = rnd.getUint32() & ((1<<mantBits)-1);
+ const deUint16 value = tcu::Float16::construct(s, exp ? exp : 1 /* avoid denorm */, (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 deUint16 in0 = (deUint16)(inputs[valNdx] & 0xffff);
+ const deUint16 in1 = (deUint16)(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 deUint32 refBits0 = tcu::Float32(ref0).bits();
+ const deUint32 refBits1 = tcu::Float32(ref1).bits();
+ const deUint32 resBits0 = tcu::Float32(res0).bits();
+ const deUint32 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;
+ }
+};
+
+class PackSnorm4x8Case : public ShaderPackingFunctionCase
+{
+public:
+ PackSnorm4x8Case (Context& context, glu::ShaderType shaderType, glu::Precision precision)
+ : ShaderPackingFunctionCase (context, (string("packsnorm4x8") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), "packSnorm4x8", shaderType)
+ , m_precision (precision)
+ {
+ m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC4, precision)));
+ m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP)));
+
+ m_spec.source = "out0 = packSnorm4x8(in0);";
+ }
+
+ IterateResult iterate (void)
+ {
+ de::Random rnd (deStringHash(getName()) ^ 0x42f2c0);
+ std::vector<tcu::Vec4> inputs;
+ std::vector<deUint32> outputs;
+ const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only.
+ m_precision == glu::PRECISION_MEDIUMP ? 1 : // (2^-10) * (2^7) + 1
+ m_precision == glu::PRECISION_LOWP ? 2 : 0; // (2^-8) * (2^7) + 1
+
+ // Special values to check.
+ inputs.push_back(tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f));
+ inputs.push_back(tcu::Vec4(-1.0f, 1.0f, -1.0f, 1.0f));
+ inputs.push_back(tcu::Vec4(0.5f, -0.5f, -0.5f, 0.5f));
+ inputs.push_back(tcu::Vec4(-1.5f, 1.5f, -1.5f, 1.5f));
+ inputs.push_back(tcu::Vec4(0.25f, -0.75f, -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;
+ const float z = rnd.getFloat()*2.5f - 1.25f;
+ const float w = rnd.getFloat()*2.5f - 1.25f;
+ inputs.push_back(tcu::Vec4(x, y, z, w));
+ }
+
+ // 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;
+ const float z = rnd.getFloat()*1e6f - 0.5e6f;
+ const float w = rnd.getFloat()*1e6f - 0.5e6f;
+ inputs.push_back(tcu::Vec4(x, y, z, w));
+ }
+
+ 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 deUint16 ref0 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1);
+ const deUint16 ref1 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1);
+ const deUint16 ref2 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].z(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1);
+ const deUint16 ref3 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].w(), -1.0f, 1.0f) * 127.0f), -(1<<7), (1<<7)-1);
+ const deUint32 ref = (deUint32(ref3) << 24) | (deUint32(ref2) << 16) | (deUint32(ref1) << 8) | deUint32(ref0);
+ const deUint32 res = outputs[valNdx];
+ const deUint16 res0 = (deUint8)(res & 0xff);
+ const deUint16 res1 = (deUint8)((res >> 8) & 0xff);
+ const deUint16 res2 = (deUint8)((res >> 16) & 0xff);
+ const deUint16 res3 = (deUint8)((res >> 24) & 0xff);
+ const int diff0 = de::abs((int)ref0 - (int)res0);
+ const int diff1 = de::abs((int)ref1 - (int)res1);
+ const int diff2 = de::abs((int)ref2 - (int)res2);
+ const int diff3 = de::abs((int)ref3 - (int)res3);
+
+ if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff)
+ {
+ if (numFailed < maxPrints)
+ {
+ m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx
+ << ", expected packSnorm4x8(" << inputs[valNdx] << ") = " << tcu::toHex(ref)
+ << ", got " << tcu::toHex(res)
+ << "\n diffs = " << tcu::IVec4(diff0, diff1, diff2, diff3) << ", 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 UnpackSnorm4x8Case : public ShaderPackingFunctionCase
+{
+public:
+ UnpackSnorm4x8Case (Context& context, glu::ShaderType shaderType)
+ : ShaderPackingFunctionCase(context, (string("unpacksnorm4x8") + getShaderTypePostfix(shaderType)).c_str(), "unpackSnorm4x8", 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_VEC4, glu::PRECISION_HIGHP)));
+
+ m_spec.source = "out0 = unpackSnorm4x8(in0);";
+ }
+
+ IterateResult iterate (void)
+ {
+ const deUint32 maxDiff = 1; // Rounding error.
+ de::Random rnd (deStringHash(getName()) ^ 0x776002);
+ std::vector<deUint32> inputs;
+ std::vector<tcu::Vec4> 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 deInt8 in0 = (deInt8)(deUint8)(inputs[valNdx] & 0xff);
+ const deInt8 in1 = (deInt8)(deUint8)((inputs[valNdx] >> 8) & 0xff);
+ const deInt8 in2 = (deInt8)(deUint8)((inputs[valNdx] >> 16) & 0xff);
+ const deInt8 in3 = (deInt8)(deUint8)(inputs[valNdx] >> 24);
+ const float ref0 = de::clamp(float(in0) / 127.f, -1.0f, 1.0f);
+ const float ref1 = de::clamp(float(in1) / 127.f, -1.0f, 1.0f);
+ const float ref2 = de::clamp(float(in2) / 127.f, -1.0f, 1.0f);
+ const float ref3 = de::clamp(float(in3) / 127.f, -1.0f, 1.0f);
+ const float res0 = outputs[valNdx].x();
+ const float res1 = outputs[valNdx].y();
+ const float res2 = outputs[valNdx].z();
+ const float res3 = outputs[valNdx].w();
+
+ const deUint32 diff0 = getUlpDiff(ref0, res0);
+ const deUint32 diff1 = getUlpDiff(ref1, res1);
+ const deUint32 diff2 = getUlpDiff(ref2, res2);
+ const deUint32 diff3 = getUlpDiff(ref3, res3);
+
+ if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff)
+ {
+ if (numFailed < maxPrints)
+ {
+ m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n"
+ << " expected unpackSnorm4x8(" << tcu::toHex(inputs[valNdx]) << ") = "
+ << "vec4(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ", " << HexFloat(ref2) << ", " << HexFloat(ref3) << ")"
+ << ", got vec4(" << HexFloat(res0) << ", " << HexFloat(res1) << ", " << HexFloat(res2) << ", " << HexFloat(res3) << ")"
+ << "\n ULP diffs = (" << diff0 << ", " << diff1 << ", " << diff2 << ", " << diff3 << "), 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 PackUnorm4x8Case : public ShaderPackingFunctionCase
+{
+public:
+ PackUnorm4x8Case (Context& context, glu::ShaderType shaderType, glu::Precision precision)
+ : ShaderPackingFunctionCase (context, (string("packunorm4x8") + getPrecisionPostfix(precision) + getShaderTypePostfix(shaderType)).c_str(), "packUnorm4x8", shaderType)
+ , m_precision (precision)
+ {
+ m_spec.inputs.push_back(Symbol("in0", glu::VarType(glu::TYPE_FLOAT_VEC4, precision)));
+ m_spec.outputs.push_back(Symbol("out0", glu::VarType(glu::TYPE_UINT, glu::PRECISION_HIGHP)));
+
+ m_spec.source = "out0 = packUnorm4x8(in0);";
+ }
+
+ IterateResult iterate (void)
+ {
+ de::Random rnd (deStringHash(getName()) ^ 0x776002);
+ std::vector<tcu::Vec4> inputs;
+ std::vector<deUint32> outputs;
+ const int maxDiff = m_precision == glu::PRECISION_HIGHP ? 1 : // Rounding only.
+ m_precision == glu::PRECISION_MEDIUMP ? 1 : // (2^-10) * (2^8) + 1
+ m_precision == glu::PRECISION_LOWP ? 2 : 0; // (2^-8) * (2^8) + 1
+
+ // Special values to check.
+ inputs.push_back(tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f));
+ inputs.push_back(tcu::Vec4(-1.0f, 1.0f, -1.0f, 1.0f));
+ inputs.push_back(tcu::Vec4(0.5f, -0.5f, -0.5f, 0.5f));
+ inputs.push_back(tcu::Vec4(-1.5f, 1.5f, -1.5f, 1.5f));
+ inputs.push_back(tcu::Vec4(0.25f, -0.75f, -0.25f, 0.75f));
+
+ // Random values, mostly in range.
+ for (int ndx = 0; ndx < 15; ndx++)
+ {
+ const float x = rnd.getFloat()*1.25f - 0.125f;
+ const float y = rnd.getFloat()*1.25f - 0.125f;
+ const float z = rnd.getFloat()*1.25f - 0.125f;
+ const float w = rnd.getFloat()*1.25f - 0.125f;
+ inputs.push_back(tcu::Vec4(x, y, z, w));
+ }
+
+ // Large random values.
+ for (int ndx = 0; ndx < 80; ndx++)
+ {
+ const float x = rnd.getFloat()*1e6f - 1e5f;
+ const float y = rnd.getFloat()*1e6f - 1e5f;
+ const float z = rnd.getFloat()*1e6f - 1e5f;
+ const float w = rnd.getFloat()*1e6f - 1e5f;
+ inputs.push_back(tcu::Vec4(x, y, z, w));
+ }
+
+ 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 deUint16 ref0 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].x(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1);
+ const deUint16 ref1 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].y(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1);
+ const deUint16 ref2 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].z(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1);
+ const deUint16 ref3 = (deUint8)de::clamp(deRoundFloatToInt32(de::clamp(inputs[valNdx].w(), 0.0f, 1.0f) * 255.0f), 0, (1<<8)-1);
+ const deUint32 ref = (deUint32(ref3) << 24) | (deUint32(ref2) << 16) | (deUint32(ref1) << 8) | deUint32(ref0);
+ const deUint32 res = outputs[valNdx];
+ const deUint16 res0 = (deUint8)(res & 0xff);
+ const deUint16 res1 = (deUint8)((res >> 8) & 0xff);
+ const deUint16 res2 = (deUint8)((res >> 16) & 0xff);
+ const deUint16 res3 = (deUint8)((res >> 24) & 0xff);
+ const int diff0 = de::abs((int)ref0 - (int)res0);
+ const int diff1 = de::abs((int)ref1 - (int)res1);
+ const int diff2 = de::abs((int)ref2 - (int)res2);
+ const int diff3 = de::abs((int)ref3 - (int)res3);
+
+ if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff)
+ {
+ if (numFailed < maxPrints)
+ {
+ m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx
+ << ", expected packUnorm4x8(" << inputs[valNdx] << ") = " << tcu::toHex(ref)
+ << ", got " << tcu::toHex(res)
+ << "\n diffs = " << tcu::IVec4(diff0, diff1, diff2, diff3) << ", 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 UnpackUnorm4x8Case : public ShaderPackingFunctionCase
+{
+public:
+ UnpackUnorm4x8Case (Context& context, glu::ShaderType shaderType)
+ : ShaderPackingFunctionCase(context, (string("unpackunorm4x8") + getShaderTypePostfix(shaderType)).c_str(), "unpackUnorm4x8", 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_VEC4, glu::PRECISION_HIGHP)));
+
+ m_spec.source = "out0 = unpackUnorm4x8(in0);";
+ }
+
+ IterateResult iterate (void)
+ {
+ const deUint32 maxDiff = 1; // Rounding error.
+ de::Random rnd (deStringHash(getName()) ^ 0x776002);
+ std::vector<deUint32> inputs;
+ std::vector<tcu::Vec4> 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 deUint8 in0 = (deUint8)(inputs[valNdx] & 0xff);
+ const deUint8 in1 = (deUint8)((inputs[valNdx] >> 8) & 0xff);
+ const deUint8 in2 = (deUint8)((inputs[valNdx] >> 16) & 0xff);
+ const deUint8 in3 = (deUint8)(inputs[valNdx] >> 24);
+ const float ref0 = de::clamp(float(in0) / 255.f, 0.0f, 1.0f);
+ const float ref1 = de::clamp(float(in1) / 255.f, 0.0f, 1.0f);
+ const float ref2 = de::clamp(float(in2) / 255.f, 0.0f, 1.0f);
+ const float ref3 = de::clamp(float(in3) / 255.f, 0.0f, 1.0f);
+ const float res0 = outputs[valNdx].x();
+ const float res1 = outputs[valNdx].y();
+ const float res2 = outputs[valNdx].z();
+ const float res3 = outputs[valNdx].w();
+
+ const deUint32 diff0 = getUlpDiff(ref0, res0);
+ const deUint32 diff1 = getUlpDiff(ref1, res1);
+ const deUint32 diff2 = getUlpDiff(ref2, res2);
+ const deUint32 diff3 = getUlpDiff(ref3, res3);
+
+ if (diff0 > maxDiff || diff1 > maxDiff || diff2 > maxDiff || diff3 > maxDiff)
+ {
+ if (numFailed < maxPrints)
+ {
+ m_testCtx.getLog() << TestLog::Message << "ERROR: Mismatch in value " << valNdx << ",\n"
+ << " expected unpackUnorm4x8(" << tcu::toHex(inputs[valNdx]) << ") = "
+ << "vec4(" << HexFloat(ref0) << ", " << HexFloat(ref1) << ", " << HexFloat(ref2) << ", " << HexFloat(ref3) << ")"
+ << ", got vec4(" << HexFloat(res0) << ", " << HexFloat(res1) << ", " << HexFloat(res2) << ", " << HexFloat(res3) << ")"
+ << "\n ULP diffs = (" << diff0 << ", " << diff1 << ", " << diff2 << ", " << diff3 << "), 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)
+{
+ // New built-in functions in GLES 3.1
+ {
+ const glu::ShaderType allShaderTypes[] =
+ {
+ glu::SHADERTYPE_VERTEX,
+ glu::SHADERTYPE_TESSELLATION_CONTROL,
+ glu::SHADERTYPE_TESSELLATION_EVALUATION,
+ glu::SHADERTYPE_GEOMETRY,
+ glu::SHADERTYPE_FRAGMENT,
+ glu::SHADERTYPE_COMPUTE
+ };
+
+ // packSnorm4x8
+ for (int prec = 0; prec < glu::PRECISION_LAST; prec++)
+ {
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++)
+ addChild(new PackSnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx], glu::Precision(prec)));
+ }
+
+ // unpackSnorm4x8
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++)
+ addChild(new UnpackSnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx]));
+
+ // packUnorm4x8
+ for (int prec = 0; prec < glu::PRECISION_LAST; prec++)
+ {
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++)
+ addChild(new PackUnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx], glu::Precision(prec)));
+ }
+
+ // unpackUnorm4x8
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(allShaderTypes); shaderTypeNdx++)
+ addChild(new UnpackUnorm4x8Case(m_context, allShaderTypes[shaderTypeNdx]));
+ }
+
+ // GLES 3 functions in new shader types.
+ {
+ const glu::ShaderType newShaderTypes[] =
+ {
+ glu::SHADERTYPE_GEOMETRY,
+ glu::SHADERTYPE_COMPUTE
+ };
+
+ // packSnorm2x16
+ for (int prec = 0; prec < glu::PRECISION_LAST; prec++)
+ {
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++)
+ addChild(new PackSnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx], glu::Precision(prec)));
+ }
+
+ // unpackSnorm2x16
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++)
+ addChild(new UnpackSnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx]));
+
+ // packUnorm2x16
+ for (int prec = 0; prec < glu::PRECISION_LAST; prec++)
+ {
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++)
+ addChild(new PackUnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx], glu::Precision(prec)));
+ }
+
+ // unpackUnorm2x16
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++)
+ addChild(new UnpackUnorm2x16Case(m_context, newShaderTypes[shaderTypeNdx]));
+
+ // packHalf2x16
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++)
+ addChild(new PackHalf2x16Case(m_context, newShaderTypes[shaderTypeNdx]));
+
+ // unpackHalf2x16
+ for (int shaderTypeNdx = 0; shaderTypeNdx < DE_LENGTH_OF_ARRAY(newShaderTypes); shaderTypeNdx++)
+ addChild(new UnpackHalf2x16Case(m_context, newShaderTypes[shaderTypeNdx]));
+ }
+}
+
+} // Functional
+} // gles31
+} // deqp