/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES 3.1 Module
* -------------------------------------------------
*
* Copyright 2015 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 Negative Atomic Counter Tests
*//*--------------------------------------------------------------------*/
#include "es31fNegativeAtomicCounterTests.hpp"
#include "deUniquePtr.hpp"
#include "glwEnums.hpp"
#include "gluShaderProgram.hpp"
#include "tcuTestLog.hpp"
namespace deqp
{
namespace gles31
{
namespace Functional
{
namespace NegativeTestShared
{
namespace
{
enum TestCase
{
TESTCASE_LAYOUT_LARGE_BINDING = 0,
TESTCASE_LAYOUT_MEDIUMP_PRECISION,
TESTCASE_LAYOUT_LOWP_PRECISION,
TESTCASE_LAYOUT_BINDING_OFFSET_OVERLAP,
TESTCASE_LAYOUT_BINDING_OMITTED,
TESTCASE_STRUCT,
TESTCASE_BODY_WRITE,
TESTCASE_BODY_DECLARE,
TESTCASE_LAST
};
static const glu::ShaderType s_shaders[] =
{
glu::SHADERTYPE_VERTEX,
glu::SHADERTYPE_FRAGMENT,
glu::SHADERTYPE_GEOMETRY,
glu::SHADERTYPE_TESSELLATION_CONTROL,
glu::SHADERTYPE_TESSELLATION_EVALUATION,
glu::SHADERTYPE_COMPUTE
};
std::string genShaderSource (NegativeTestContext& ctx, TestCase test, glu::ShaderType type)
{
DE_ASSERT(test < TESTCASE_LAST && type < glu::SHADERTYPE_LAST);
glw::GLint maxBuffers = -1;
std::ostringstream shader;
ctx.glGetIntegerv(GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS, &maxBuffers);
shader << getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n";
switch (type)
{
case glu::SHADERTYPE_GEOMETRY:
shader << "#extension GL_EXT_geometry_shader : enable\n";
shader << "layout(max_vertices = 3) out;\n";
break;
case glu::SHADERTYPE_TESSELLATION_CONTROL:
case glu::SHADERTYPE_TESSELLATION_EVALUATION:
shader << "#extension GL_EXT_tessellation_shader : enable\n";
break;
default:
break;
}
switch (test)
{
case TESTCASE_LAYOUT_LARGE_BINDING:
shader << "layout (binding = " << maxBuffers << ", offset = 0) uniform atomic_uint counter0;\n";
break;
case TESTCASE_LAYOUT_MEDIUMP_PRECISION:
shader << "layout (binding = 1, offset = 0) " << glu::getPrecisionName(glu::PRECISION_MEDIUMP) << " uniform atomic_uint counter0;\n";
break;
case TESTCASE_LAYOUT_LOWP_PRECISION:
shader << "layout (binding = 1, offset = 0) " << glu::getPrecisionName(glu::PRECISION_LOWP) << " uniform atomic_uint counter0;\n";
break;
case TESTCASE_LAYOUT_BINDING_OFFSET_OVERLAP:
shader << "layout (binding = 1, offset = 0) uniform atomic_uint counter0;\n"
<< "layout (binding = 1, offset = 2) uniform atomic_uint counter1;\n";
break;
case TESTCASE_LAYOUT_BINDING_OMITTED:
shader << "layout (offset = 0) uniform atomic_uint counter0;\n";
break;
case TESTCASE_STRUCT:
shader << "struct\n"
<< "{\n"
<< " int a;\n"
<< " atomic_uint counter;\n"
<< "} S;\n";
break;
case TESTCASE_BODY_WRITE:
shader << "layout (binding = 1) uniform atomic_uint counter;\n";
break;
default:
break;
}
shader << "void main (void)\n"
<< "{\n";
switch (test)
{
case TESTCASE_BODY_WRITE:
shader << "counter = 1;\n";
break;
case TESTCASE_BODY_DECLARE:
shader << "atomic_uint counter;\n";
break;
default:
break;
}
shader << "}\n";
return shader.str();
}
void iterateShaders (NegativeTestContext& ctx, TestCase testCase)
{
tcu::TestLog& log = ctx.getLog();
for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_shaders); ndx++)
{
if (ctx.isShaderSupported(s_shaders[ndx]))
{
ctx.beginSection(std::string("Verify shader: ") + glu::getShaderTypeName(s_shaders[ndx]));
const glu::ShaderProgram program(ctx.getRenderContext(), glu::ProgramSources() << glu::ShaderSource(s_shaders[ndx], genShaderSource(ctx, testCase, s_shaders[ndx])));
if (program.getShaderInfo(s_shaders[ndx]).compileOk)
{
log << program;
log << tcu::TestLog::Message << "Expected program to fail, but compilation passed." << tcu::TestLog::EndMessage;
ctx.fail("Shader was not expected to compile.");
}
ctx.endSection();
}
}
}
void atomic_max_counter_bindings (NegativeTestContext& ctx)
{
ctx.beginSection("It is a compile-time error to bind an atomic counter with a binding value greater than or equal to gl_MaxAtomicCounterBindings.");
iterateShaders(ctx, TESTCASE_LAYOUT_LARGE_BINDING);
ctx.endSection();
}
void atomic_precision (NegativeTestContext& ctx)
{
ctx.beginSection("It is an error to declare an atomic type with a lowp or mediump precision.");
iterateShaders(ctx, TESTCASE_LAYOUT_MEDIUMP_PRECISION);
iterateShaders(ctx, TESTCASE_LAYOUT_LOWP_PRECISION);
ctx.endSection();
}
void atomic_binding_offset_overlap (NegativeTestContext& ctx)
{
ctx.beginSection("Atomic counters may not have overlapping offsets in the same binding.");
iterateShaders(ctx, TESTCASE_LAYOUT_BINDING_OFFSET_OVERLAP);
ctx.endSection();
}
void atomic_binding_omitted (NegativeTestContext& ctx)
{
ctx.beginSection("Atomic counters must specify a binding point");
iterateShaders(ctx, TESTCASE_LAYOUT_BINDING_OMITTED);
ctx.endSection();
}
void atomic_struct (NegativeTestContext& ctx)
{
ctx.beginSection("Structures may not have an atomic_uint variable.");
iterateShaders(ctx, TESTCASE_STRUCT);
ctx.endSection();
}
void atomic_body_write (NegativeTestContext& ctx)
{
ctx.beginSection("An atomic_uint variable cannot be directly written to.");
iterateShaders(ctx, TESTCASE_BODY_WRITE);
ctx.endSection();
}
void atomic_body_declare (NegativeTestContext& ctx)
{
ctx.beginSection("An atomic_uint variable cannot be declared in local scope");
iterateShaders(ctx, TESTCASE_BODY_DECLARE);
ctx.endSection();
}
} // anonymous
std::vector<FunctionContainer> getNegativeAtomicCounterTestFunctions ()
{
const FunctionContainer funcs[] =
{
{atomic_max_counter_bindings, "atomic_max_counter_bindings", "Invalid atomic counter buffer binding." },
{atomic_precision, "atomic_precision", "Invalid precision qualifier." },
{atomic_binding_offset_overlap, "atomic_binding_offset_overlap", "Invalid offset." },
{atomic_binding_omitted, "atomic_binding_omitted", "Binding not specified." },
{atomic_struct, "atomic_struct", "Invalid atomic_uint usage in struct." },
{atomic_body_write, "atomic_body_write", "Invalid write access to atomic_uint." },
{atomic_body_declare, "atomic_body_declare", "Invalid precision qualifier." },
};
return std::vector<FunctionContainer>(DE_ARRAY_BEGIN(funcs), DE_ARRAY_END(funcs));
}
} // NegativeTestShared
} // Functional
} // gles31
} // deqp