/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES 3.1 Module
* -------------------------------------------------
*
* Copyright 2017 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 Sample Variables Tests
*//*--------------------------------------------------------------------*/
#include "es31fNegativeSampleVariablesTests.hpp"
#include "gluShaderProgram.hpp"
namespace deqp
{
namespace gles31
{
namespace Functional
{
namespace NegativeTestShared
{
namespace
{
enum ExpectResult
{
EXPECT_RESULT_PASS = 0,
EXPECT_RESULT_FAIL,
EXPECT_RESULT_LAST
};
void verifyShader (NegativeTestContext& ctx, glu::ShaderType shaderType, std::string shaderSource, ExpectResult expect)
{
DE_ASSERT(expect >= EXPECT_RESULT_PASS && expect < EXPECT_RESULT_LAST);
tcu::TestLog& log = ctx.getLog();
bool testFailed = false;
const char* const source = shaderSource.c_str();
const int length = (int) shaderSource.size();
glu::Shader shader (ctx.getRenderContext(), shaderType);
std::string message;
shader.setSources(1, &source, &length);
shader.compile();
log << shader;
if (expect == EXPECT_RESULT_PASS)
{
testFailed = !shader.getCompileStatus();
message = "Shader did not compile.";
}
else
{
testFailed = shader.getCompileStatus();
message = "Shader was not expected to compile.";
}
if (testFailed)
{
log << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
ctx.fail(message);
}
}
std::string getVersionAndExtension (NegativeTestContext& ctx)
{
const bool isES32 = contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
const glu::GLSLVersion version = isES32 ? glu::GLSL_VERSION_320_ES : glu::GLSL_VERSION_310_ES;
std::string versionAndExtension = glu::getGLSLVersionDeclaration(version);
versionAndExtension += " \n";
if (!isES32)
versionAndExtension += "#extension GL_OES_sample_variables : require \n";
return versionAndExtension;
}
void checkSupported (NegativeTestContext& ctx)
{
const bool isES32 = contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
if (!isES32 && !ctx.isExtensionSupported("GL_OES_sample_variables"))
TCU_THROW(NotSupportedError, "GL_OES_sample_variables is not supported.");
}
void write_to_read_only_types (NegativeTestContext& ctx)
{
checkSupported(ctx);
std::ostringstream shader;
struct testConfig
{
std::string builtInType;
std::string varyingCheck;
} testConfigs[] =
{
{"gl_SampleID", " lowp int writeValue = 1; \n gl_SampleID = writeValue; \n"},
{"gl_SamplePosition", " mediump vec2 writeValue = vec2(1.0f, 1.0f); \n gl_SamplePosition = writeValue; \n"},
{"gl_SampleMaskIn", " lowp int writeValue = 1; \n gl_SampleMaskIn[0] = writeValue; \n"}
};
for (int idx = 0; idx < DE_LENGTH_OF_ARRAY(testConfigs); idx++)
{
shader.str("");
shader
<< getVersionAndExtension(ctx)
<< "layout (location = 0) out mediump vec4 fs_color; \n"
<< "void main() \n"
<< "{ \n"
<< testConfigs[idx].varyingCheck
<< " fs_color = vec4(1.0f, 0.0f, 0.0f, 1.0f); \n"
<< "} \n";
ctx.beginSection("OES_sample_variables: trying to write to built-in read-only variable" + testConfigs[idx].builtInType);
verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
}
void access_built_in_types_inside_other_shaders (NegativeTestContext& ctx)
{
checkSupported(ctx);
if ((!ctx.isExtensionSupported("GL_EXT_tessellation_shader") && !ctx.isExtensionSupported("GL_OES_tessellation_shader")) ||
(!ctx.isExtensionSupported("GL_EXT_geometry_shader") && !ctx.isExtensionSupported("GL_OES_geometry_shader")))
{
TCU_THROW(NotSupportedError, "tessellation and geometry shader extensions not supported");
}
std::ostringstream shader;
struct testConfig
{
std::string builtInType;
std::string varyingCheck;
} testConfigs[] =
{
{"gl_SampleID", " lowp int writeValue = 1; \n gl_SampleID = writeValue; \n"},
{"gl_SamplePosition", " mediump vec2 writeValue = vec2(1.0f, 1.0f); \n gl_SamplePosition = writeValue; \n"},
{"gl_SampleMaskIn", " lowp int writeValue = 1; \n gl_SampleMaskIn[0] = writeValue; \n"},
{"gl_SampleMask", " highp int readValue = gl_SampleMask[0]; \n"},
};
for (int idx = 0; idx < DE_LENGTH_OF_ARRAY(testConfigs); idx++)
{
shader.str("");
shader
<< getVersionAndExtension(ctx)
<< "void main () \n"
<< "{ \n"
<< testConfigs[idx].varyingCheck
<< " gl_Position = vec4(1.0f, 0.0f, 0.0f , 1.0f); \n"
<< "} \n";
ctx.beginSection("OES_sample_variables: trying to use fragment shader built-in sampler variable " + testConfigs[idx].builtInType + " inside vertex shader");
verifyShader(ctx, glu::SHADERTYPE_VERTEX, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
for (int idx = 0; idx < DE_LENGTH_OF_ARRAY(testConfigs); idx++)
{
shader.str("");
shader
<< getVersionAndExtension(ctx)
<< "layout (vertices = 3) out; \n"
<< "void main () \n"
<< "{ \n"
<< testConfigs[idx].varyingCheck
<< "} \n";
ctx.beginSection("OES_sample_variables: trying to use fragment shader built-in sampler variable " + testConfigs[idx].builtInType + " inside tessellation control shader");
verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_CONTROL, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
for (int idx = 0; idx < DE_LENGTH_OF_ARRAY(testConfigs); idx++)
{
shader.str("");
shader
<< getVersionAndExtension(ctx)
<< "layout (triangles, equal_spacing, ccw) in; \n"
<< "void main () \n"
<< "{ \n"
<< testConfigs[idx].varyingCheck
<< "} \n";
ctx.beginSection("OES_sample_variables: trying to use fragment shader built-in sampler variable " + testConfigs[idx].builtInType + " inside tessellation evaluation shader");
verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_EVALUATION, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
for (int idx = 0; idx < DE_LENGTH_OF_ARRAY(testConfigs); idx++)
{
shader.str("");
shader
<< getVersionAndExtension(ctx)
<< "layout (triangles) in; \n"
<< "layout (triangle_strip, max_vertices = 32) out; \n"
<< "void main () \n"
<< "{ \n"
<< testConfigs[idx].varyingCheck
<< "} \n";
ctx.beginSection("OES_sample_variables: trying to use fragment shader built-in sampler variable " + testConfigs[idx].builtInType + " inside geometry shader");
verifyShader(ctx, glu::SHADERTYPE_GEOMETRY, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
}
void index_outside_sample_mask_range (NegativeTestContext& ctx)
{
checkSupported(ctx);
std::ostringstream shader;
const int MAX_TYPES = 2;
const int MAX_INDEXES = 2;
struct testConfig
{
std::string builtInType[MAX_TYPES];
std::string invalidIndex[MAX_INDEXES];
} testConfigs =
{
{
"gl_SampleMask",
"gl_SampleMaskIn"
},
{
" const highp int invalidIndex = (gl_MaxSamples + 31) / 32; \n",
" const highp int invalidIndex = -1; \n"
}
};
for (int typeIdx = 0; typeIdx < MAX_TYPES; typeIdx++)
{
for (int invalidIdx = 0; invalidIdx < MAX_INDEXES; invalidIdx++)
{
shader.str("");
shader
<< getVersionAndExtension(ctx)
<< "layout (location = 0) out mediump vec4 fs_color; \n"
<< "void main() \n"
<< "{ \n"
<< testConfigs.invalidIndex[invalidIdx]
<< " highp int invalidValue = " << testConfigs.builtInType[typeIdx] << "[invalidIndex]; \n"
<< " fs_color = vec4(1.0f, 0.0f, 0.0f, 1.0f); \n"
<< "} \n";
ctx.beginSection("OES_sample_variables: using constant integral expression outside of " + testConfigs.builtInType[typeIdx] + " bounds");
verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
}
}
void access_built_in_types_without_extension (NegativeTestContext& ctx)
{
checkSupported(ctx);
std::ostringstream shader;
struct testConfig
{
std::string builtInType;
std::string varyingCheck;
} testConfigs[] =
{
{"gl_SampleID", " lowp int writeValue = 1; \n gl_SampleID = writeValue; \n"},
{"gl_SamplePosition", " mediump vec2 writeValue = vec2(1.0f, 1.0f); \n gl_SamplePosition = writeValue; \n"},
{"gl_SampleMaskIn", " lowp int writeValue = 1; \n gl_SampleMaskIn[0] = writeValue; \n"},
{"gl_SampleMask", " highp int readValue = gl_SampleMask[0]; \n"},
};
for (int idx = 0; idx < DE_LENGTH_OF_ARRAY(testConfigs); idx++)
{
shader.str("");
shader
<< "#version 310 es \n"
<< "layout (location = 0) out mediump vec4 fs_color; \n"
<< "void main() \n"
<< "{ \n"
<< testConfigs[idx].varyingCheck
<< " fs_color = vec4(1.0f, 0.0f, 0.0f, 1.0f); \n"
<< "} \n";
ctx.beginSection("OES_sample_variables: accessing built-in type " + testConfigs[idx].builtInType + " in shader version 310 ES without required extension");
verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
}
void redeclare_built_in_types (NegativeTestContext& ctx)
{
checkSupported(ctx);
std::ostringstream shader;
std::ostringstream testName;
const char* const testConfigs[] =
{
"gl_SampleID",
"gl_SamplePosition",
"gl_SampleMaskIn",
"gl_SampleMask",
};
for (int idx = 0; idx < DE_LENGTH_OF_ARRAY(testConfigs); idx++)
{
shader.str("");
shader
<< getVersionAndExtension(ctx)
<< "layout (location = 0) out mediump vec4 fs_color; \n"
<< "uniform lowp int " << testConfigs[idx] << "; \n"
<< "void main() \n"
<< "{ \n"
<< " if (" << testConfigs[idx] << " == 0) \n"
<< " fs_color = vec4(1.0f, 0.0f, 0.0f, 1.0f); \n"
<< " else \n"
<< " fs_color = vec4(0.0f, 1.0f, 0.0f, 1.0f); \n"
<< "} \n";
testName.str("");
testName << "OES_sample_variables: redeclare built-in type " << testConfigs[idx];
ctx.beginSection(testName.str());
verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, shader.str(), EXPECT_RESULT_FAIL);
ctx.endSection();
}
}
} // anonymous
std::vector<FunctionContainer> getNegativeSampleVariablesTestFunctions (void)
{
const FunctionContainer funcs[] =
{
{write_to_read_only_types, "write_to_read_only_types", "tests trying writing to read-only built-in sample variables"},
{access_built_in_types_inside_other_shaders, "access_built_in_types_inside_other_shaders", "Tests try to access fragment shader sample variables in other shaders"},
{index_outside_sample_mask_range, "index_outside_sample_mask_range", "tests try to index into built-in sample array types out of bounds"},
{access_built_in_types_without_extension, "access_built_in_types_without_extension", "tests try to access built-in sample types without the correct extension using version 310 es"},
{redeclare_built_in_types, "redeclare_built_in_types", "Tests try to redeclare built-in sample types"},
};
return std::vector<FunctionContainer>(DE_ARRAY_BEGIN(funcs), DE_ARRAY_END(funcs));
}
} // NegativeTestShared
} // Functional
} // gles31
} // deqp