/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES 3.0 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 Texture swizzle tests.
*//*--------------------------------------------------------------------*/
#include "es3fTextureSwizzleTests.hpp"
#include "glsTextureTestUtil.hpp"
#include "gluPixelTransfer.hpp"
#include "gluTexture.hpp"
#include "gluRenderContext.hpp"
#include "tcuTextureUtil.hpp"
#include "tcuRenderTarget.hpp"
#include "deString.h"
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
namespace deqp
{
namespace gles3
{
namespace Functional
{
using std::string;
using std::vector;
using tcu::TestLog;
using namespace deqp::gls;
using namespace deqp::gls::TextureTestUtil;
static int swizzle (const tcu::RGBA& c, deUint32 swz)
{
switch (swz)
{
case GL_RED: return c.getRed();
case GL_GREEN: return c.getGreen();
case GL_BLUE: return c.getBlue();
case GL_ALPHA: return c.getAlpha();
case GL_ZERO: return 0;
case GL_ONE: return (1<<8)-1;
default:
DE_ASSERT(false);
return 0;
}
}
static void swizzle (tcu::Surface& surface, deUint32 swzR, deUint32 swzG, deUint32 swzB, deUint32 swzA)
{
for (int y = 0; y < surface.getHeight(); y++)
{
for (int x = 0; x < surface.getWidth(); x++)
{
tcu::RGBA p = surface.getPixel(x, y);
surface.setPixel(x, y, tcu::RGBA(swizzle(p, swzR), swizzle(p, swzG), swizzle(p, swzB), swizzle(p, swzA)));
}
}
}
class Texture2DSwizzleCase : public TestCase
{
public:
Texture2DSwizzleCase (Context& context, const char* name, const char* description, deUint32 internalFormat, deUint32 format, deUint32 dataType, deUint32 swizzleR, deUint32 swizzleG, deUint32 swizzleB, deUint32 swizzleA);
~Texture2DSwizzleCase (void);
void init (void);
void deinit (void);
IterateResult iterate (void);
private:
Texture2DSwizzleCase (const Texture2DSwizzleCase& other);
Texture2DSwizzleCase& operator= (const Texture2DSwizzleCase& other);
deUint32 m_internalFormat;
deUint32 m_format;
deUint32 m_dataType;
deUint32 m_swizzleR;
deUint32 m_swizzleG;
deUint32 m_swizzleB;
deUint32 m_swizzleA;
glu::Texture2D* m_texture;
TextureRenderer m_renderer;
};
Texture2DSwizzleCase::Texture2DSwizzleCase (Context& context, const char* name, const char* description, deUint32 internalFormat, deUint32 format, deUint32 dataType, deUint32 swizzleR, deUint32 swizzleG, deUint32 swizzleB, deUint32 swizzleA)
: TestCase (context, name, description)
, m_internalFormat (internalFormat)
, m_format (format)
, m_dataType (dataType)
, m_swizzleR (swizzleR)
, m_swizzleG (swizzleG)
, m_swizzleB (swizzleB)
, m_swizzleA (swizzleA)
, m_texture (DE_NULL)
, m_renderer (context.getRenderContext(), context.getTestContext(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
{
}
Texture2DSwizzleCase::~Texture2DSwizzleCase (void)
{
deinit();
}
void Texture2DSwizzleCase::init (void)
{
int width = de::min(128, m_context.getRenderContext().getRenderTarget().getWidth());
int height = de::min(128, m_context.getRenderContext().getRenderTarget().getHeight());
m_texture = (m_internalFormat == m_format) ? new glu::Texture2D(m_context.getRenderContext(), m_format, m_dataType, width, height)
: new glu::Texture2D(m_context.getRenderContext(), m_internalFormat, width, height);
tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(m_texture->getRefTexture().getFormat());
// Fill level 0.
m_texture->getRefTexture().allocLevel(0);
tcu::fillWithComponentGradients(m_texture->getRefTexture().getLevel(0), spec.valueMin, spec.valueMax);
}
void Texture2DSwizzleCase::deinit (void)
{
delete m_texture;
m_texture = DE_NULL;
m_renderer.clear();
}
Texture2DSwizzleCase::IterateResult Texture2DSwizzleCase::iterate (void)
{
const glw::Functions& gl = m_context.getRenderContext().getFunctions();
TestLog& log = m_testCtx.getLog();
RandomViewport viewport (m_context.getRenderContext().getRenderTarget(), m_texture->getRefTexture().getWidth(), m_texture->getRefTexture().getHeight(), deStringHash(getName()));
tcu::Surface renderedFrame (viewport.width, viewport.height);
tcu::Surface referenceFrame (viewport.width, viewport.height);
tcu::RGBA threshold = m_context.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
vector<float> texCoord;
ReferenceParams renderParams (TEXTURETYPE_2D);
tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(m_texture->getRefTexture().getFormat());
renderParams.samplerType = getSamplerType(m_texture->getRefTexture().getFormat());
renderParams.sampler = tcu::Sampler(tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::NEAREST, tcu::Sampler::NEAREST);
renderParams.colorScale = spec.lookupScale;
renderParams.colorBias = spec.lookupBias;
computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
// Setup base viewport.
gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
// Upload texture data to GL.
m_texture->upload();
// Bind to unit 0.
gl.activeTexture(GL_TEXTURE0);
gl.bindTexture(GL_TEXTURE_2D, m_texture->getGLTexture());
// Setup nearest neighbor filtering and clamp-to-edge.
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// Setup texture swizzle.
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, m_swizzleR);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, m_swizzleG);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, m_swizzleB);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, m_swizzleA);
GLU_EXPECT_NO_ERROR(gl.getError(), "Set texturing state");
// Draw.
m_renderer.renderQuad(0, &texCoord[0], renderParams);
glu::readPixels(m_context.getRenderContext(), viewport.x, viewport.y, renderedFrame.getAccess());
// Compute reference
{
const tcu::PixelFormat pixelFormat = m_context.getRenderTarget().getPixelFormat();
// Do initial rendering to RGBA8 in order to keep alpha
sampleTexture(SurfaceAccess(referenceFrame, tcu::PixelFormat(8,8,8,8)), m_texture->getRefTexture(), &texCoord[0], renderParams);
// Swizzle channels
swizzle(referenceFrame, m_swizzleR, m_swizzleG, m_swizzleB, m_swizzleA);
// Convert to destination format
if (pixelFormat != tcu::PixelFormat(8,8,8,8))
{
for (int y = 0; y < referenceFrame.getHeight(); y++)
{
for (int x = 0; x < referenceFrame.getWidth(); x++)
{
tcu::RGBA p = referenceFrame.getPixel(x, y);
referenceFrame.setPixel(x, y, pixelFormat.convertColor(p));
}
}
}
}
// Compare and log.
bool isOk = compareImages(log, referenceFrame, renderedFrame, threshold);
m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL,
isOk ? "Pass" : "Image comparison failed");
return STOP;
}
TextureSwizzleTests::TextureSwizzleTests (Context& context)
: TestCaseGroup(context, "swizzle", "Texture Swizzle Tests")
{
}
TextureSwizzleTests::~TextureSwizzleTests (void)
{
}
void TextureSwizzleTests::init (void)
{
static const struct
{
const char* name;
deUint32 internalFormat;
deUint32 format;
deUint32 dataType;
} formats[] =
{
{ "alpha", GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE },
{ "luminance", GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE },
{ "luminance_alpha", GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE },
{ "red", GL_R8, GL_RED, GL_UNSIGNED_BYTE },
{ "rg", GL_RG8, GL_RG, GL_UNSIGNED_BYTE },
{ "rgb", GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE },
{ "rgba", GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE }
};
static const struct
{
const char* name;
deUint32 channel;
} channels[] =
{
{ "r", GL_TEXTURE_SWIZZLE_R },
{ "g", GL_TEXTURE_SWIZZLE_G },
{ "b", GL_TEXTURE_SWIZZLE_B },
{ "a", GL_TEXTURE_SWIZZLE_A }
};
static const struct
{
const char* name;
deUint32 swizzle;
} swizzles[] =
{
{ "red", GL_RED },
{ "green", GL_GREEN },
{ "blue", GL_BLUE },
{ "alpha", GL_ALPHA },
{ "zero", GL_ZERO },
{ "one", GL_ONE }
};
static const struct
{
const char* name;
deUint32 swzR;
deUint32 swzG;
deUint32 swzB;
deUint32 swzA;
} swizzleCases[] =
{
{ "all_red", GL_RED, GL_RED, GL_RED, GL_RED },
{ "all_green", GL_GREEN, GL_GREEN, GL_GREEN, GL_GREEN },
{ "all_blue", GL_BLUE, GL_BLUE, GL_BLUE, GL_BLUE },
{ "all_alpha", GL_ALPHA, GL_ALPHA, GL_ALPHA, GL_ALPHA },
{ "all_zero", GL_ZERO, GL_ZERO, GL_ZERO, GL_ZERO },
{ "all_one", GL_ONE, GL_ONE, GL_ONE, GL_ONE },
{ "bgra", GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA },
{ "abgr", GL_ALPHA, GL_BLUE, GL_GREEN, GL_RED },
{ "one_one_red_green", GL_ONE, GL_ONE, GL_RED, GL_GREEN }
};
static const deUint32 defaultSwizzles[] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
// All swizzles applied to each channel.
tcu::TestCaseGroup* singleChannelGroup = new tcu::TestCaseGroup(m_testCtx, "single_channel", "Single-channel swizzle");
addChild(singleChannelGroup);
for (int chanNdx = 0; chanNdx < DE_LENGTH_OF_ARRAY(channels); chanNdx++)
{
for (int swzNdx = 0; swzNdx < DE_LENGTH_OF_ARRAY(swizzles); swzNdx++)
{
if (swizzles[swzNdx].swizzle == defaultSwizzles[chanNdx])
continue; // No need to test default case.
string name = string(channels[chanNdx].name) + "_" + swizzles[swzNdx].name;
deUint32 swz = swizzles[swzNdx].swizzle;
deUint32 swzR = (chanNdx == 0) ? swz : defaultSwizzles[0];
deUint32 swzG = (chanNdx == 1) ? swz : defaultSwizzles[1];
deUint32 swzB = (chanNdx == 2) ? swz : defaultSwizzles[2];
deUint32 swzA = (chanNdx == 3) ? swz : defaultSwizzles[3];
singleChannelGroup->addChild(new Texture2DSwizzleCase(m_context, name.c_str(), "Single-channel swizzle", GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, swzR, swzG, swzB, swzA));
}
}
// Swizzles for all formats.
tcu::TestCaseGroup* multiChannelGroup = new tcu::TestCaseGroup(m_testCtx, "multi_channel", "Multi-channel swizzle");
addChild(multiChannelGroup);
for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(formats); fmtNdx++)
{
for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(swizzleCases); caseNdx++)
{
string name = string(formats[fmtNdx].name) + "_" + swizzleCases[caseNdx].name;
deUint32 swzR = swizzleCases[caseNdx].swzR;
deUint32 swzG = swizzleCases[caseNdx].swzG;
deUint32 swzB = swizzleCases[caseNdx].swzB;
deUint32 swzA = swizzleCases[caseNdx].swzA;
deUint32 intFormat = formats[fmtNdx].internalFormat;
deUint32 format = formats[fmtNdx].format;
deUint32 dataType = formats[fmtNdx].dataType;
multiChannelGroup->addChild(new Texture2DSwizzleCase(m_context, name.c_str(), "Multi-channel swizzle", intFormat, format, dataType, swzR, swzG, swzB, swzA));
}
}
}
} // Functional
} // gles3
} // deqp