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/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES 3.1 Module
* -------------------------------------------------
*
* Copyright 2016 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 Tessellation tests.
*//*--------------------------------------------------------------------*/
#include "es31fNegativeTessellationTests.hpp"
#include "gluContextInfo.hpp"
#include "gluShaderProgram.hpp"
#include "glwDefs.hpp"
#include "glwEnums.hpp"
#include "tcuStringTemplate.hpp"
namespace deqp
{
using std::string;
using std::map;
namespace gles31
{
namespace Functional
{
namespace NegativeTestShared
{
using tcu::TestLog;
using namespace glw;
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"
"precision mediump float;\n"
"layout(location = 0) out mediump vec4 fragColor;\n"
"\n"
"void main (void)\n"
"{\n"
" fragColor = vec4(1.0);\n"
"}\n";
static const char* tessControlShaderSource = "${GLSL_VERSION_STRING}\n"
"${GLSL_TESS_EXTENSION_STRING}\n"
"layout (vertices=3) out;\n"
"\n"
"void main()\n"
"{\n"
" gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
"}\n";
static const char* tessEvalShaderSource = "${GLSL_VERSION_STRING}\n"
"${GLSL_TESS_EXTENSION_STRING}\n"
"layout(triangles) in;\n"
"\n"
"void main()\n"
"{\n"
" gl_Position = gl_TessCoord[0] * gl_in[0].gl_Position;\n"
"}\n";
static void checkExtensionSupport (NegativeTestContext& ctx, const char* extName)
{
if (!ctx.getContextInfo().isExtensionSupported(extName))
throw tcu::NotSupportedError(string(extName) + " not supported");
}
static void checkTessellationSupport (NegativeTestContext& ctx)
{
checkExtensionSupport(ctx, "GL_EXT_tessellation_shader");
}
// Helper for constructing tessellation pipeline sources.
static glu::ProgramSources makeTessPipelineSources (const std::string& vertexSrc, const std::string& fragmentSrc, const std::string& tessCtrlSrc, const std::string& tessEvalSrc)
{
glu::ProgramSources sources;
sources.sources[glu::SHADERTYPE_VERTEX].push_back(vertexSrc);
sources.sources[glu::SHADERTYPE_FRAGMENT].push_back(fragmentSrc);
if (!tessCtrlSrc.empty())
sources.sources[glu::SHADERTYPE_TESSELLATION_CONTROL].push_back(tessCtrlSrc);
if (!tessEvalSrc.empty())
sources.sources[glu::SHADERTYPE_TESSELLATION_EVALUATION].push_back(tessEvalSrc);
return sources;
}
// Incomplete active tess shaders
void single_tessellation_stage (NegativeTestContext& ctx)
{
const bool isES32 = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
const bool requireTES = !ctx.getContextInfo().isExtensionSupported("GL_NV_gpu_shader5");
map<string, string> args;
args["GLSL_VERSION_STRING"] = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
args["GLSL_TESS_EXTENSION_STRING"] = isES32 ? "" : "#extension GL_EXT_tessellation_shader : require";
checkTessellationSupport(ctx);
{
glu::ShaderProgram program(ctx.getRenderContext(),
makeTessPipelineSources(tcu::StringTemplate(vertexShaderSource).specialize(args),
tcu::StringTemplate(fragmentShaderSource).specialize(args),
tcu::StringTemplate(tessControlShaderSource).specialize(args),
"")); // missing tessEvalShaderSource
tcu::TestLog& log = ctx.getLog();
log << program;
ctx.beginSection("A link error is generated if a non-separable program has a tessellation control shader but no tessellation evaluation shader, unless GL_NV_gpu_shader5 is supported.");
if (requireTES && program.isOk())
ctx.fail("Program was not expected to link");
else if (!requireTES && !program.isOk())
ctx.fail("Program was expected to link");
ctx.endSection();
}
{
glu::ShaderProgram program(ctx.getRenderContext(),
makeTessPipelineSources(tcu::StringTemplate(vertexShaderSource).specialize(args),
tcu::StringTemplate(fragmentShaderSource).specialize(args),
tcu::StringTemplate(tessControlShaderSource).specialize(args),
"") // missing tessEvalShaderSource
<< glu::ProgramSeparable(true));
tcu::TestLog& log = ctx.getLog();
log << program;
if (!program.isOk())
TCU_THROW(TestError, "failed to build program");
ctx.glUseProgram(program.getProgram());
ctx.expectError(GL_NO_ERROR);
ctx.beginSection("GL_INVALID_OPERATION is generated if current program state has tessellation control shader but no tessellation evaluation shader, unless GL_NV_gpu_shader5 is supported.");
ctx.glDrawArrays(GL_PATCHES, 0, 3);
ctx.expectError(requireTES ? GL_INVALID_OPERATION : GL_NO_ERROR);
ctx.endSection();
ctx.glUseProgram(0);
}
{
glu::ShaderProgram program(ctx.getRenderContext(),
makeTessPipelineSources(tcu::StringTemplate(vertexShaderSource).specialize(args),
tcu::StringTemplate(fragmentShaderSource).specialize(args),
"", // missing tessControlShaderSource
tcu::StringTemplate(tessEvalShaderSource).specialize(args)));
tcu::TestLog& log = ctx.getLog();
log << program;
ctx.beginSection("A link error is generated if a non-separable program has a tessellation evaluation shader but no tessellation control shader.");
if (program.isOk())
ctx.fail("Program was not expected to link");
ctx.endSection();
}
{
glu::ShaderProgram program(ctx.getRenderContext(),
makeTessPipelineSources(tcu::StringTemplate(vertexShaderSource).specialize(args),
tcu::StringTemplate(fragmentShaderSource).specialize(args),
"", // missing tessControlShaderSource
tcu::StringTemplate(tessEvalShaderSource).specialize(args))
<< glu::ProgramSeparable(true));
tcu::TestLog& log = ctx.getLog();
log << program;
if (!program.isOk())
TCU_THROW(TestError, "failed to build program");
ctx.glUseProgram(program.getProgram());
ctx.expectError(GL_NO_ERROR);
ctx.beginSection("GL_INVALID_OPERATION is generated if current program state has tessellation evaluation shader but no tessellation control shader.");
ctx.glDrawArrays(GL_PATCHES, 0, 3);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.glUseProgram(0);
}
}
// Complete active tess shaders invalid primitive mode
void invalid_primitive_mode (NegativeTestContext& ctx)
{
checkTessellationSupport(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);
args["GLSL_TESS_EXTENSION_STRING"] = isES32 ? "" : "#extension GL_EXT_tessellation_shader : require";
glu::ShaderProgram program(ctx.getRenderContext(),
makeTessPipelineSources(tcu::StringTemplate(vertexShaderSource).specialize(args),
tcu::StringTemplate(fragmentShaderSource).specialize(args),
tcu::StringTemplate(tessControlShaderSource).specialize(args),
tcu::StringTemplate(tessEvalShaderSource).specialize(args)));
tcu::TestLog& log = ctx.getLog();
log << program;
ctx.glUseProgram(program.getProgram());
ctx.expectError(GL_NO_ERROR);
ctx.beginSection("GL_INVALID_OPERATION is generated if tessellation is active and primitive mode is not GL_PATCHES.");
ctx.glDrawArrays(GL_TRIANGLES, 0, 3);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.glUseProgram(0);
}
void tessellation_not_active (NegativeTestContext& ctx)
{
checkTessellationSupport(ctx);
const bool isES32 = glu::contextSupports(ctx.getRenderContext().getType(), glu::ApiType::es(3, 2));
const glw::GLenum tessErr = ctx.getContextInfo().isExtensionSupported("GL_NV_gpu_shader5") ? GL_NO_ERROR : GL_INVALID_OPERATION;
map<string, string> args;
args["GLSL_VERSION_STRING"] = isES32 ? getGLSLVersionDeclaration(glu::GLSL_VERSION_320_ES) : getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES);
args["GLSL_TESS_EXTENSION_STRING"] = isES32 ? "" : "#extension GL_EXT_tessellation_shader : require";
glu::ShaderProgram program(ctx.getRenderContext(),
makeTessPipelineSources(tcu::StringTemplate(vertexShaderSource).specialize(args),
tcu::StringTemplate(fragmentShaderSource).specialize(args),
"", // missing tessControlShaderSource
"")); // missing tessEvalShaderSource
tcu::TestLog& log = ctx.getLog();
log << program;
ctx.glUseProgram(program.getProgram());
ctx.expectError(GL_NO_ERROR);
ctx.beginSection("GL_INVALID_OPERATION is generated if tessellation is not active and primitive mode is GL_PATCHES, unless GL_NV_gpu_shader5 is supported.");
ctx.glDrawArrays(GL_PATCHES, 0, 3);
ctx.expectError(tessErr);
ctx.endSection();
ctx.glUseProgram(0);
}
void invalid_program_state (NegativeTestContext& ctx)
{
checkTessellationSupport(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);
args["GLSL_TESS_EXTENSION_STRING"] = isES32 ? "" : "#extension GL_EXT_tessellation_shader : require";
glu::FragmentSource frgSource(tcu::StringTemplate(fragmentShaderSource).specialize(args));
glu::TessellationControlSource tessCtrlSource(tcu::StringTemplate(tessControlShaderSource).specialize(args));
glu::TessellationEvaluationSource tessEvalSource(tcu::StringTemplate(tessEvalShaderSource).specialize(args));
glu::ProgramPipeline pipeline(ctx.getRenderContext());
glu::ShaderProgram fragProgram (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << frgSource);
glu::ShaderProgram tessCtrlProgram (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << tessCtrlSource);
glu::ShaderProgram tessEvalProgram (ctx.getRenderContext(), glu::ProgramSources() << glu::ProgramSeparable(true) << tessEvalSource);
tcu::TestLog& log = ctx.getLog();
log << fragProgram << tessCtrlProgram << tessEvalProgram;
if (!fragProgram.isOk() || !tessCtrlProgram.isOk() || !tessEvalProgram.isOk())
throw tcu::TestError("failed to build program");
ctx.glBindProgramPipeline(pipeline.getPipeline());
ctx.expectError(GL_NO_ERROR);
ctx.glUseProgramStages(pipeline.getPipeline(), GL_FRAGMENT_SHADER_BIT, fragProgram.getProgram());
ctx.glUseProgramStages(pipeline.getPipeline(), GL_TESS_CONTROL_SHADER_BIT, tessCtrlProgram.getProgram());
ctx.glUseProgramStages(pipeline.getPipeline(), GL_TESS_EVALUATION_SHADER_BIT, tessEvalProgram.getProgram());
ctx.expectError(GL_NO_ERROR);
ctx.beginSection("GL_INVALID_OPERATION is generated if tessellation is active and vertex shader is missing.");
ctx.glDrawArrays(GL_PATCHES, 0, 3);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.glBindProgramPipeline(0);
ctx.expectError(GL_NO_ERROR);
}
void tessellation_control_invalid_vertex_count (NegativeTestContext& ctx)
{
checkTessellationSupport(ctx);
const char* const tessControlVertLimitSource = "${GLSL_VERSION_STRING}\n"
"${GLSL_TESS_EXTENSION_STRING}\n"
"layout (vertices=${GL_MAX_PATCH_LIMIT}) out;\n"
"void main()\n"
"{\n"
" gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
"}\n";
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);
args["GLSL_TESS_EXTENSION_STRING"] = isES32 ? "" : "#extension GL_EXT_tessellation_shader : require";
int maxPatchVertices= 0;
ctx.beginSection("Output vertex count exceeds GL_MAX_PATCH_VERTICES.");
ctx.glGetIntegerv(GL_MAX_PATCH_VERTICES, &maxPatchVertices);
ctx.expectError(GL_NO_ERROR);
std::ostringstream oss;
oss << (maxPatchVertices + 1);
args["GL_MAX_PATCH_LIMIT"] = oss.str();
glu::ShaderProgram program(ctx.getRenderContext(),
makeTessPipelineSources(tcu::StringTemplate(vertexShaderSource).specialize(args),
tcu::StringTemplate(fragmentShaderSource).specialize(args),
tcu::StringTemplate(tessControlVertLimitSource).specialize(args),
tcu::StringTemplate(tessEvalShaderSource).specialize(args)));
tcu::TestLog& log = ctx.getLog();
log << program;
bool testFailed = program.getProgramInfo().linkOk;
if (testFailed)
ctx.fail("Program was not expected to link");
ctx.endSection();
}
void invalid_get_programiv (NegativeTestContext& ctx)
{
checkTessellationSupport(ctx);
GLuint program = ctx.glCreateProgram();
GLint params[1] = { 0 };
ctx.beginSection("GL_INVALID_OPERATION is generated if GL_TESS_CONTROL_OUTPUT_VERTICES is queried for a program which has not been linked properly.");
ctx.glGetProgramiv(program, GL_TESS_CONTROL_OUTPUT_VERTICES, &params[0]);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.beginSection("GL_INVALID_OPERATION is generated if GL_TESS_GEN_MODE is queried for a program which has not been linked properly.");
ctx.glGetProgramiv(program, GL_TESS_GEN_MODE, &params[0]);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.beginSection("GL_INVALID_OPERATION is generated if GL_TESS_GEN_SPACING is queried for a program which has not been linked properly.");
ctx.glGetProgramiv(program, GL_TESS_GEN_SPACING, &params[0]);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.beginSection("GL_INVALID_OPERATION is generated if GL_TESS_GEN_VERTEX_ORDER is queried for a program which has not been linked properly.");
ctx.glGetProgramiv(program, GL_TESS_GEN_VERTEX_ORDER, &params[0]);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.beginSection("GL_INVALID_OPERATION is generated if GL_TESS_GEN_POINT_MODE is queried for a program which has not been linked properly.");
ctx.glGetProgramiv(program, GL_TESS_GEN_POINT_MODE, &params[0]);
ctx.expectError(GL_INVALID_OPERATION);
ctx.endSection();
ctx.glDeleteProgram(program);
}
void invalid_patch_parameteri (NegativeTestContext& ctx)
{
checkTessellationSupport(ctx);
ctx.beginSection("GL_INVALID_ENUM is generated if pname is not GL_PATCH_VERTICES.");
ctx.glPatchParameteri(-1, 1);
ctx.expectError(GL_INVALID_ENUM);
ctx.endSection();
ctx.beginSection("GL_INVALID_VALUE is generated if value is less than or equal to zero.");
ctx.glPatchParameteri(GL_PATCH_VERTICES, 0);
ctx.expectError(GL_INVALID_VALUE);
ctx.endSection();
int maxPatchVertices= 0;
ctx.glGetIntegerv(GL_MAX_PATCH_VERTICES, &maxPatchVertices);
ctx.expectError(GL_NO_ERROR);
ctx.beginSection("GL_INVALID_VALUE is generated if value is greater than GL_MAX_PATCH_VERTICES.");
ctx.glPatchParameteri(GL_PATCH_VERTICES, maxPatchVertices + 1);
ctx.expectError(GL_INVALID_VALUE);
ctx.endSection();
}
std::vector<FunctionContainer> getNegativeTessellationTestFunctions (void)
{
const FunctionContainer funcs[] =
{
{ single_tessellation_stage, "single_tessellation_stage", "Invalid program state with single tessellation stage" },
{ invalid_primitive_mode, "invalid_primitive_mode", "Invalid primitive mode when tessellation is active" },
{ tessellation_not_active, "tessellation_not_active", "Use of GL_PATCHES when tessellation is not active" },
{ invalid_program_state, "invalid_program_state", "Invalid program state when tessellation active but no vertex shader present" },
{ invalid_get_programiv, "get_programiv", "Invalid glGetProgramiv() usage" },
{ invalid_patch_parameteri, "invalid_program_queries", "Invalid glPatchParameteri() usage" },
{ tessellation_control_invalid_vertex_count, "tessellation_control_invalid_vertex_count", "Exceed vertex count limit in tessellation control shader" },
};
return std::vector<FunctionContainer>(DE_ARRAY_BEGIN(funcs), DE_ARRAY_END(funcs));
}
} // NegativeTestShared
} // Functional
} // gles31
} // deqp