/*-------------------------------------------------------------------------
* 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 ShaderFramebufferFetch tests.
*//*--------------------------------------------------------------------*/
#include "es31fNegativeShaderFramebufferFetchTests.hpp"
#include "gluContextInfo.hpp"
#include "gluShaderProgram.hpp"
#include "tcuStringTemplate.hpp"
namespace deqp
{
using std::string;
using std::map;
namespace gles31
{
namespace Functional
{
namespace NegativeTestShared
{
namespace
{
static const char* vertexShaderSource = "${GLSL_VERSION_STRING}\n"
"\n"
"void main (void)\n"
"{\n"
" gl_Position = vec4(0.0);\n"
"}\n";
static const char* fragmentShaderSource = "${GLSL_VERSION_STRING}\n"
"layout(location = 0) out mediump vec4 fragColor;\n"
"\n"
"void main (void)\n"
"{\n"
" fragColor = vec4(1.0);\n"
"}\n";
static void checkExtensionSupport (NegativeTestContext& ctx, const char* extName)
{
if (!ctx.getContextInfo().isExtensionSupported(extName))
throw tcu::NotSupportedError(string(extName) + " not supported");
}
static void checkFramebufferFetchSupport (NegativeTestContext& ctx)
{
checkExtensionSupport(ctx, "GL_EXT_shader_framebuffer_fetch");
}
enum ProgramError
{
PROGRAM_ERROR_LINK = 0,
PROGRAM_ERROR_COMPILE,
PROGRAM_ERROR_COMPILE_OR_LINK,
};
void verifyProgramError (NegativeTestContext& ctx, const glu::ShaderProgram& program, ProgramError error, glu::ShaderType shaderType)
{
bool testFailed = false;
string message;
ctx.getLog() << program;
switch (error)
{
case PROGRAM_ERROR_LINK:
{
message = "Program was not expected to link.";
testFailed = (program.getProgramInfo().linkOk);
break;
}
case PROGRAM_ERROR_COMPILE:
{
message = "Program was not expected to compile.";
testFailed = program.getShaderInfo(shaderType).compileOk;
break;
}
case PROGRAM_ERROR_COMPILE_OR_LINK:
{
message = "Program was not expected to compile or link.";
testFailed = (program.getProgramInfo().linkOk) && (program.getShaderInfo(shaderType).compileOk);
break;
}
default:
{
DE_FATAL("Invalid program error type");
break;
}
}
if (testFailed)
{
ctx.getLog() << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
ctx.fail(message);
}
}
void last_frag_data_not_defined (NegativeTestContext& ctx)
{
checkFramebufferFetchSupport(ctx);
const bool isES32 = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
map<string, string> args;
args["GLSL_VERSION_STRING"] = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
const char* const fragShaderSource = "${GLSL_VERSION_STRING}\n"
"#extension GL_EXT_shader_framebuffer_fetch : require\n"
"layout(location = 0) out mediump vec4 fragColor;\n"
"\n"
"void main (void)\n"
"{\n"
" fragColor = gl_LastFragData[0];\n"
"}\n";
glu::ShaderProgram program(ctx.getRenderContext(), glu::ProgramSources()
<< glu::VertexSource(tcu::StringTemplate(vertexShaderSource).specialize(args))
<< glu::FragmentSource(tcu::StringTemplate(fragShaderSource).specialize(args)));
ctx.beginSection("A link error is generated if the built-in fragment outputs of ES 2.0 are used in #version 300 es shaders");
verifyProgramError(ctx, program, PROGRAM_ERROR_LINK, glu::SHADERTYPE_FRAGMENT);
ctx.endSection();
}
void last_frag_data_readonly (NegativeTestContext& ctx)
{
checkFramebufferFetchSupport(ctx);
map<string, string> args;
args["GLSL_VERSION_STRING"] = getGLSLVersionDeclaration(glu::GLSL_VERSION_100_ES);
const char* const fragShaderSource = "${GLSL_VERSION_STRING}\n"
"#extension GL_EXT_shader_framebuffer_fetch : require\n"
"\n"
"void main (void)\n"
"{\n"
" gl_LastFragData[0] = vec4(1.0);\n"
" gl_FragColor = gl_LastFragData[0];\n"
"}\n";
glu::ShaderProgram program(ctx.getRenderContext(), glu::ProgramSources()
<< glu::VertexSource(tcu::StringTemplate(vertexShaderSource).specialize(args))
<< glu::FragmentSource(tcu::StringTemplate(fragShaderSource).specialize(args)));
ctx.beginSection("A compile-time or link error is generated if the built-in fragment outputs of ES 2.0 are written to.");
verifyProgramError(ctx, program, PROGRAM_ERROR_COMPILE_OR_LINK, glu::SHADERTYPE_FRAGMENT);
ctx.endSection();
}
void invalid_inout_version (NegativeTestContext& ctx)
{
checkFramebufferFetchSupport(ctx);
map<string, string> args;
args["GLSL_VERSION_STRING"] = getGLSLVersionDeclaration(glu::GLSL_VERSION_100_ES);
const char* const fragShaderSource = "${GLSL_VERSION_STRING}\n"
"#extension GL_EXT_shader_framebuffer_fetch : require\n"
"inout highp vec4 fragColor;\n"
"\n"
"void main (void)\n"
"{\n"
" highp float product = dot(vec3(0.5), fragColor.rgb);\n"
" gl_FragColor = vec4(product);\n"
"}\n";
glu::ShaderProgram program(ctx.getRenderContext(), glu::ProgramSources()
<< glu::VertexSource(tcu::StringTemplate(vertexShaderSource).specialize(args))
<< glu::FragmentSource(tcu::StringTemplate(fragShaderSource).specialize(args)));
ctx.beginSection("A compile-time or link error is generated if user-defined inout arrays are used in earlier versions of GLSL before ES 3.0");
verifyProgramError(ctx, program, PROGRAM_ERROR_COMPILE_OR_LINK, glu::SHADERTYPE_FRAGMENT);
ctx.endSection();
}
void invalid_redeclaration_inout (NegativeTestContext& ctx)
{
checkFramebufferFetchSupport(ctx);
const bool isES32 = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
map<string, string> args;
args["GLSL_VERSION_STRING"] = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
const char* const fragShaderSource = "${GLSL_VERSION_STRING}\n"
"#extension GL_EXT_shader_framebuffer_fetch : require\n"
"layout(location = 0) out mediump vec4 fragColor;\n"
"inout highp float gl_FragDepth;\n"
"\n"
"void main (void)\n"
"{\n"
" gl_FragDepth += 0.5f;\n"
" fragColor = vec4(1.0f);\n"
"}\n";
glu::ShaderProgram program(ctx.getRenderContext(), glu::ProgramSources()
<< glu::VertexSource(tcu::StringTemplate(vertexShaderSource).specialize(args))
<< glu::FragmentSource(tcu::StringTemplate(fragShaderSource).specialize(args)));
ctx.beginSection("A compile-time or link error is generated if re-declaring an existing fragment output such as gl_FragDepth as inout");
verifyProgramError(ctx, program, PROGRAM_ERROR_COMPILE_OR_LINK, glu::SHADERTYPE_FRAGMENT);
ctx.endSection();
}
void invalid_vertex_inout (NegativeTestContext& ctx)
{
checkFramebufferFetchSupport(ctx);
const bool isES32 = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
map<string, string> args;
args["GLSL_VERSION_STRING"] = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
const char* const vertShaderSource = "${GLSL_VERSION_STRING}\n"
"#extension GL_EXT_shader_framebuffer_fetch : require\n"
"inout mediump vec4 v_color;\n"
"\n"
"void main (void)\n"
"{\n"
"}\n";
glu::ShaderProgram program(ctx.getRenderContext(), glu::ProgramSources()
<< glu::VertexSource(tcu::StringTemplate(vertShaderSource).specialize(args))
<< glu::FragmentSource(tcu::StringTemplate(fragmentShaderSource).specialize(args)));
ctx.beginSection("A compile-time error or link error is generated if inout variables are declared in the vertex shader\n");
verifyProgramError(ctx, program, PROGRAM_ERROR_COMPILE_OR_LINK, glu::SHADERTYPE_VERTEX);
ctx.endSection();
}
} // anonymous
std::vector<FunctionContainer> getNegativeShaderFramebufferFetchTestFunctions (void)
{
const FunctionContainer funcs[] =
{
{ last_frag_data_not_defined, "last_frag_data_not_defined", "The built-in gl_LastFragData not defined in #version 300 es shaders" },
{ last_frag_data_readonly, "last_frag_data_readonly", "Invalid write to readonly builtin in gl_LastFragData" },
{ invalid_inout_version, "invalid_inout_version", "Invalid use of user-defined inout arrays in versions before GLSL #version 300 es." },
{ invalid_redeclaration_inout, "invalid_redeclaration_inout", "Existing fragment shader built-ins cannot be redeclared as inout arrays" },
{ invalid_vertex_inout, "invalid_vertex_inout", "User defined inout arrays are not allowed in the vertex shader" },
};
return std::vector<FunctionContainer>(DE_ARRAY_BEGIN(funcs), DE_ARRAY_END(funcs));
}
} // NegativeTestShared
} // Functional
} // gles31
} // deqp