/*-------------------------------------------------------------------------
* 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 Base class for FBO tests.
*//*--------------------------------------------------------------------*/
#include "es31fFboTestCase.hpp"
#include "es31fFboTestUtil.hpp"
#include "tcuTestLog.hpp"
#include "tcuImageCompare.hpp"
#include "tcuRenderTarget.hpp"
#include "sglrGLContext.hpp"
#include "sglrReferenceContext.hpp"
#include "gluStrUtil.hpp"
#include "gluContextInfo.hpp"
#include "deRandom.hpp"
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
#include <algorithm>
namespace deqp
{
namespace gles31
{
namespace Functional
{
using tcu::TestLog;
using std::string;
FboTestCase::FboTestCase (Context& context, const char* name, const char* description, bool useScreenSizedViewport)
: TestCase (context, name, description)
, m_viewportWidth (useScreenSizedViewport ? context.getRenderTarget().getWidth() : 128)
, m_viewportHeight (useScreenSizedViewport ? context.getRenderTarget().getHeight() : 128)
{
}
FboTestCase::~FboTestCase (void)
{
}
FboTestCase::IterateResult FboTestCase::iterate (void)
{
glu::RenderContext& renderCtx = TestCase::m_context.getRenderContext();
const tcu::RenderTarget& renderTarget = renderCtx.getRenderTarget();
TestLog& log = m_testCtx.getLog();
// Viewport.
de::Random rnd (deStringHash(getName()));
int width = deMin32(renderTarget.getWidth(), m_viewportWidth);
int height = deMin32(renderTarget.getHeight(), m_viewportHeight);
int x = rnd.getInt(0, renderTarget.getWidth() - width);
int y = rnd.getInt(0, renderTarget.getHeight() - height);
// Surface format and storage is choosen by render().
tcu::Surface reference;
tcu::Surface result;
// Call preCheck() that can throw exception if some requirement is not met.
preCheck();
log << TestLog::Message << "Rendering with GL driver" << TestLog::EndMessage;
// Render using GLES3.1
try
{
sglr::GLContext context(renderCtx, log, 0, tcu::IVec4(x, y, width, height));
setContext(&context);
render(result);
// Check error.
deUint32 err = glGetError();
if (err != GL_NO_ERROR)
throw glu::Error(err, glu::getErrorStr(err).toString().c_str(), DE_NULL, __FILE__, __LINE__);
setContext(DE_NULL);
}
catch (const FboTestUtil::FboIncompleteException& e)
{
if (e.getReason() == GL_FRAMEBUFFER_UNSUPPORTED)
{
log << e;
m_testCtx.setTestResult(QP_TEST_RESULT_NOT_SUPPORTED, "Not supported");
return STOP;
}
else
throw;
}
log << TestLog::Message << "Rendering reference image" << TestLog::EndMessage;
// Render reference.
{
sglr::ReferenceContextBuffers buffers (tcu::PixelFormat(8,8,8,renderTarget.getPixelFormat().alphaBits?8:0), renderTarget.getDepthBits(), renderTarget.getStencilBits(), width, height);
sglr::ReferenceContext context (sglr::ReferenceContextLimits(renderCtx), buffers.getColorbuffer(), buffers.getDepthbuffer(), buffers.getStencilbuffer());
setContext(&context);
render(reference);
setContext(DE_NULL);
}
bool isOk = compare(reference, result);
m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL,
isOk ? "Pass" : "Image comparison failed");
return STOP;
}
bool FboTestCase::compare (const tcu::Surface& reference, const tcu::Surface& result)
{
return tcu::fuzzyCompare(m_testCtx.getLog(), "Result", "Image comparison result", reference, result, 0.05f, tcu::COMPARE_LOG_RESULT);
}
void FboTestCase::readPixels (tcu::Surface& dst, int x, int y, int width, int height, const tcu::TextureFormat& format, const tcu::Vec4& scale, const tcu::Vec4& bias)
{
FboTestUtil::readPixels(*getCurrentContext(), dst, x, y, width, height, format, scale, bias);
}
void FboTestCase::readPixels (tcu::Surface& dst, int x, int y, int width, int height)
{
getCurrentContext()->readPixels(dst, x, y, width, height);
}
void FboTestCase::checkFramebufferStatus (deUint32 target)
{
deUint32 status = glCheckFramebufferStatus(target);
if (status != GL_FRAMEBUFFER_COMPLETE)
throw FboTestUtil::FboIncompleteException(status, __FILE__, __LINE__);
}
void FboTestCase::checkError (void)
{
deUint32 err = glGetError();
if (err != GL_NO_ERROR)
throw glu::Error((int)err, (string("Got ") + glu::getErrorStr(err).toString()).c_str(), DE_NULL, __FILE__, __LINE__);
}
static bool isRequiredFormat (deUint32 format, glu::RenderContext& renderContext)
{
const bool supportsES32 = glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
switch (format)
{
// Color-renderable formats
case GL_RGBA32I:
case GL_RGBA32UI:
case GL_RGBA16I:
case GL_RGBA16UI:
case GL_RGBA8:
case GL_RGBA8I:
case GL_RGBA8UI:
case GL_SRGB8_ALPHA8:
case GL_RGB10_A2:
case GL_RGB10_A2UI:
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGB8:
case GL_RGB565:
case GL_RG32I:
case GL_RG32UI:
case GL_RG16I:
case GL_RG16UI:
case GL_RG8:
case GL_RG8I:
case GL_RG8UI:
case GL_R32I:
case GL_R32UI:
case GL_R16I:
case GL_R16UI:
case GL_R8:
case GL_R8I:
case GL_R8UI:
return true;
// Depth formats
case GL_DEPTH_COMPONENT32F:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT16:
return true;
// Depth+stencil formats
case GL_DEPTH32F_STENCIL8:
case GL_DEPTH24_STENCIL8:
return true;
// Stencil formats
case GL_STENCIL_INDEX8:
return true;
// Float format
case GL_RGBA32F:
case GL_R11F_G11F_B10F:
case GL_RG32F:
case GL_R32F:
case GL_RGBA16F:
case GL_RG16F:
case GL_R16F:
return supportsES32;
default:
return false;
}
}
static std::vector<std::string> getEnablingExtensions (deUint32 format, glu::RenderContext& renderContext)
{
const bool supportsES32 = glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
std::vector<std::string> out;
DE_ASSERT(!isRequiredFormat(format, renderContext));
switch (format)
{
case GL_RGB16F:
out.push_back("GL_EXT_color_buffer_half_float");
break;
case GL_RGB32F:
out.push_back("GL_EXT_color_buffer_float");
break;
case GL_RGBA16F:
case GL_RG16F:
case GL_R16F:
if (!supportsES32)
out.push_back("GL_EXT_color_buffer_half_float");
break;
case GL_RGBA32F:
case GL_R11F_G11F_B10F:
case GL_RG32F:
case GL_R32F:
if (!supportsES32)
out.push_back("GL_EXT_color_buffer_float");
break;
default:
break;
}
return out;
}
static bool isAnyExtensionSupported (Context& context, const std::vector<std::string>& requiredExts)
{
for (std::vector<std::string>::const_iterator iter = requiredExts.begin(); iter != requiredExts.end(); iter++)
{
const std::string& extension = *iter;
if (context.getContextInfo().isExtensionSupported(extension.c_str()))
return true;
}
return false;
}
void FboTestCase::checkFormatSupport (deUint32 sizedFormat)
{
const bool isCoreFormat = isRequiredFormat(sizedFormat, m_context.getRenderContext());
const std::vector<std::string> requiredExts = (!isCoreFormat) ? getEnablingExtensions(sizedFormat, m_context.getRenderContext()) : std::vector<std::string>();
// Check that we don't try to use invalid formats.
DE_ASSERT(isCoreFormat || !requiredExts.empty());
if (!requiredExts.empty() && !isAnyExtensionSupported(m_context, requiredExts))
throw tcu::NotSupportedError("Format not supported");
}
static int getMinimumSampleCount (deUint32 format)
{
switch (format)
{
// Core formats
case GL_RGBA32I:
case GL_RGBA32UI:
case GL_RGBA16I:
case GL_RGBA16UI:
case GL_RGBA8:
case GL_RGBA8I:
case GL_RGBA8UI:
case GL_SRGB8_ALPHA8:
case GL_RGB10_A2:
case GL_RGB10_A2UI:
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGB8:
case GL_RGB565:
case GL_RG32I:
case GL_RG32UI:
case GL_RG16I:
case GL_RG16UI:
case GL_RG8:
case GL_RG8I:
case GL_RG8UI:
case GL_R32I:
case GL_R32UI:
case GL_R16I:
case GL_R16UI:
case GL_R8:
case GL_R8I:
case GL_R8UI:
case GL_DEPTH_COMPONENT32F:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT16:
case GL_DEPTH32F_STENCIL8:
case GL_DEPTH24_STENCIL8:
case GL_STENCIL_INDEX8:
return 4;
// GL_EXT_color_buffer_float
case GL_R11F_G11F_B10F:
case GL_RG16F:
case GL_R16F:
return 4;
case GL_RGBA32F:
case GL_RGBA16F:
case GL_RG32F:
case GL_R32F:
return 0;
// GL_EXT_color_buffer_half_float
case GL_RGB16F:
return 0;
default:
DE_FATAL("Unknown format");
return 0;
}
}
static std::vector<int> querySampleCounts (const glw::Functions& gl, deUint32 format)
{
int numSampleCounts = 0;
std::vector<int> sampleCounts;
gl.getInternalformativ(GL_RENDERBUFFER, format, GL_NUM_SAMPLE_COUNTS, 1, &numSampleCounts);
if (numSampleCounts > 0)
{
sampleCounts.resize(numSampleCounts);
gl.getInternalformativ(GL_RENDERBUFFER, format, GL_SAMPLES, (glw::GLsizei)sampleCounts.size(), &sampleCounts[0]);
}
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to query sample counts for format");
return sampleCounts;
}
void FboTestCase::checkSampleCount (deUint32 sizedFormat, int numSamples)
{
const int minSampleCount = getMinimumSampleCount(sizedFormat);
if (numSamples > minSampleCount)
{
// Exceeds spec-mandated minimum - need to check.
const std::vector<int> supportedSampleCounts = querySampleCounts(m_context.getRenderContext().getFunctions(), sizedFormat);
if (std::find(supportedSampleCounts.begin(), supportedSampleCounts.end(), numSamples) == supportedSampleCounts.end())
throw tcu::NotSupportedError("Sample count not supported");
}
}
void FboTestCase::clearColorBuffer (const tcu::TextureFormat& format, const tcu::Vec4& value)
{
FboTestUtil::clearColorBuffer(*getCurrentContext(), format, value);
}
} // Functional
} // gles31
} // deqp