1/*------------------------------------------------------------------------- 2 * drawElements Quality Program OpenGL ES 3.0 Module 3 * ------------------------------------------------- 4 * 5 * Copyright 2014 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 * 19 *//*! 20 * \file 21 * \brief Texture swizzle tests. 22 *//*--------------------------------------------------------------------*/ 23 24#include "es3fTextureSwizzleTests.hpp" 25#include "glsTextureTestUtil.hpp" 26#include "gluPixelTransfer.hpp" 27#include "gluTexture.hpp" 28#include "gluRenderContext.hpp" 29#include "tcuTextureUtil.hpp" 30#include "tcuRenderTarget.hpp" 31#include "deString.h" 32#include "glwEnums.hpp" 33#include "glwFunctions.hpp" 34 35namespace deqp 36{ 37namespace gles3 38{ 39namespace Functional 40{ 41 42using std::string; 43using std::vector; 44using tcu::TestLog; 45using namespace deqp::gls; 46using namespace deqp::gls::TextureTestUtil; 47 48static int swizzle (const tcu::RGBA& c, deUint32 swz) 49{ 50 switch (swz) 51 { 52 case GL_RED: return c.getRed(); 53 case GL_GREEN: return c.getGreen(); 54 case GL_BLUE: return c.getBlue(); 55 case GL_ALPHA: return c.getAlpha(); 56 case GL_ZERO: return 0; 57 case GL_ONE: return (1<<8)-1; 58 default: 59 DE_ASSERT(false); 60 return 0; 61 } 62} 63 64static void swizzle (tcu::Surface& surface, deUint32 swzR, deUint32 swzG, deUint32 swzB, deUint32 swzA) 65{ 66 for (int y = 0; y < surface.getHeight(); y++) 67 { 68 for (int x = 0; x < surface.getWidth(); x++) 69 { 70 tcu::RGBA p = surface.getPixel(x, y); 71 surface.setPixel(x, y, tcu::RGBA(swizzle(p, swzR), swizzle(p, swzG), swizzle(p, swzB), swizzle(p, swzA))); 72 } 73 } 74} 75 76class Texture2DSwizzleCase : public TestCase 77{ 78public: 79 Texture2DSwizzleCase (Context& context, const char* name, const char* description, deUint32 internalFormat, deUint32 format, deUint32 dataType, deUint32 swizzleR, deUint32 swizzleG, deUint32 swizzleB, deUint32 swizzleA); 80 ~Texture2DSwizzleCase (void); 81 82 void init (void); 83 void deinit (void); 84 IterateResult iterate (void); 85 86private: 87 Texture2DSwizzleCase (const Texture2DSwizzleCase& other); 88 Texture2DSwizzleCase& operator= (const Texture2DSwizzleCase& other); 89 90 deUint32 m_internalFormat; 91 deUint32 m_format; 92 deUint32 m_dataType; 93 deUint32 m_swizzleR; 94 deUint32 m_swizzleG; 95 deUint32 m_swizzleB; 96 deUint32 m_swizzleA; 97 98 glu::Texture2D* m_texture; 99 TextureRenderer m_renderer; 100}; 101 102Texture2DSwizzleCase::Texture2DSwizzleCase (Context& context, const char* name, const char* description, deUint32 internalFormat, deUint32 format, deUint32 dataType, deUint32 swizzleR, deUint32 swizzleG, deUint32 swizzleB, deUint32 swizzleA) 103 : TestCase (context, name, description) 104 , m_internalFormat (internalFormat) 105 , m_format (format) 106 , m_dataType (dataType) 107 , m_swizzleR (swizzleR) 108 , m_swizzleG (swizzleG) 109 , m_swizzleB (swizzleB) 110 , m_swizzleA (swizzleA) 111 , m_texture (DE_NULL) 112 , m_renderer (context.getRenderContext(), context.getTestContext().getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP) 113{ 114} 115 116Texture2DSwizzleCase::~Texture2DSwizzleCase (void) 117{ 118 deinit(); 119} 120 121void Texture2DSwizzleCase::init (void) 122{ 123 int width = de::min(128, m_context.getRenderContext().getRenderTarget().getWidth()); 124 int height = de::min(128, m_context.getRenderContext().getRenderTarget().getHeight()); 125 126 m_texture = (m_internalFormat == m_format) ? new glu::Texture2D(m_context.getRenderContext(), m_format, m_dataType, width, height) 127 : new glu::Texture2D(m_context.getRenderContext(), m_internalFormat, width, height); 128 129 tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(m_texture->getRefTexture().getFormat()); 130 131 // Fill level 0. 132 m_texture->getRefTexture().allocLevel(0); 133 tcu::fillWithComponentGradients(m_texture->getRefTexture().getLevel(0), spec.valueMin, spec.valueMax); 134} 135 136void Texture2DSwizzleCase::deinit (void) 137{ 138 delete m_texture; 139 m_texture = DE_NULL; 140 141 m_renderer.clear(); 142} 143 144Texture2DSwizzleCase::IterateResult Texture2DSwizzleCase::iterate (void) 145{ 146 const glw::Functions& gl = m_context.getRenderContext().getFunctions(); 147 TestLog& log = m_testCtx.getLog(); 148 RandomViewport viewport (m_context.getRenderContext().getRenderTarget(), m_texture->getRefTexture().getWidth(), m_texture->getRefTexture().getHeight(), deStringHash(getName())); 149 tcu::Surface renderedFrame (viewport.width, viewport.height); 150 tcu::Surface referenceFrame (viewport.width, viewport.height); 151 tcu::RGBA threshold = m_context.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1); 152 vector<float> texCoord; 153 ReferenceParams renderParams (TEXTURETYPE_2D); 154 tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(m_texture->getRefTexture().getFormat()); 155 156 renderParams.samplerType = getSamplerType(m_texture->getRefTexture().getFormat()); 157 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); 158 renderParams.colorScale = spec.lookupScale; 159 renderParams.colorBias = spec.lookupBias; 160 161 computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f)); 162 163 // Setup base viewport. 164 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height); 165 166 // Upload texture data to GL. 167 m_texture->upload(); 168 169 // Bind to unit 0. 170 gl.activeTexture(GL_TEXTURE0); 171 gl.bindTexture(GL_TEXTURE_2D, m_texture->getGLTexture()); 172 173 // Setup nearest neighbor filtering and clamp-to-edge. 174 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 175 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 176 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 177 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 178 179 // Setup texture swizzle. 180 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, m_swizzleR); 181 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, m_swizzleG); 182 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, m_swizzleB); 183 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, m_swizzleA); 184 185 GLU_EXPECT_NO_ERROR(gl.getError(), "Set texturing state"); 186 187 // Draw. 188 m_renderer.renderQuad(0, &texCoord[0], renderParams); 189 glu::readPixels(m_context.getRenderContext(), viewport.x, viewport.y, renderedFrame.getAccess()); 190 191 // Compute reference 192 { 193 const tcu::PixelFormat pixelFormat = m_context.getRenderTarget().getPixelFormat(); 194 195 // Do initial rendering to RGBA8 in order to keep alpha 196 sampleTexture(SurfaceAccess(referenceFrame, tcu::PixelFormat(8,8,8,8)), m_texture->getRefTexture(), &texCoord[0], renderParams); 197 198 // Swizzle channels 199 swizzle(referenceFrame, m_swizzleR, m_swizzleG, m_swizzleB, m_swizzleA); 200 201 // Convert to destination format 202 if (pixelFormat != tcu::PixelFormat(8,8,8,8)) 203 { 204 for (int y = 0; y < referenceFrame.getHeight(); y++) 205 { 206 for (int x = 0; x < referenceFrame.getWidth(); x++) 207 { 208 tcu::RGBA p = referenceFrame.getPixel(x, y); 209 referenceFrame.setPixel(x, y, pixelFormat.convertColor(p)); 210 } 211 } 212 } 213 } 214 215 // Compare and log. 216 bool isOk = compareImages(log, referenceFrame, renderedFrame, threshold); 217 218 m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 219 isOk ? "Pass" : "Image comparison failed"); 220 221 return STOP; 222} 223 224TextureSwizzleTests::TextureSwizzleTests (Context& context) 225 : TestCaseGroup(context, "swizzle", "Texture Swizzle Tests") 226{ 227} 228 229TextureSwizzleTests::~TextureSwizzleTests (void) 230{ 231} 232 233void TextureSwizzleTests::init (void) 234{ 235 static const struct 236 { 237 const char* name; 238 deUint32 internalFormat; 239 deUint32 format; 240 deUint32 dataType; 241 } formats[] = 242 { 243 { "alpha", GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE }, 244 { "luminance", GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE }, 245 { "luminance_alpha", GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE }, 246 { "red", GL_R8, GL_RED, GL_UNSIGNED_BYTE }, 247 { "rg", GL_RG8, GL_RG, GL_UNSIGNED_BYTE }, 248 { "rgb", GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE }, 249 { "rgba", GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE } 250 }; 251 252 static const struct 253 { 254 const char* name; 255 deUint32 channel; 256 } channels[] = 257 { 258 { "r", GL_TEXTURE_SWIZZLE_R }, 259 { "g", GL_TEXTURE_SWIZZLE_G }, 260 { "b", GL_TEXTURE_SWIZZLE_B }, 261 { "a", GL_TEXTURE_SWIZZLE_A } 262 }; 263 264 static const struct 265 { 266 const char* name; 267 deUint32 swizzle; 268 } swizzles[] = 269 { 270 { "red", GL_RED }, 271 { "green", GL_GREEN }, 272 { "blue", GL_BLUE }, 273 { "alpha", GL_ALPHA }, 274 { "zero", GL_ZERO }, 275 { "one", GL_ONE } 276 }; 277 278 static const struct 279 { 280 const char* name; 281 deUint32 swzR; 282 deUint32 swzG; 283 deUint32 swzB; 284 deUint32 swzA; 285 } swizzleCases[] = 286 { 287 { "all_red", GL_RED, GL_RED, GL_RED, GL_RED }, 288 { "all_green", GL_GREEN, GL_GREEN, GL_GREEN, GL_GREEN }, 289 { "all_blue", GL_BLUE, GL_BLUE, GL_BLUE, GL_BLUE }, 290 { "all_alpha", GL_ALPHA, GL_ALPHA, GL_ALPHA, GL_ALPHA }, 291 { "all_zero", GL_ZERO, GL_ZERO, GL_ZERO, GL_ZERO }, 292 { "all_one", GL_ONE, GL_ONE, GL_ONE, GL_ONE }, 293 { "bgra", GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA }, 294 { "abgr", GL_ALPHA, GL_BLUE, GL_GREEN, GL_RED }, 295 { "one_one_red_green", GL_ONE, GL_ONE, GL_RED, GL_GREEN } 296 }; 297 298 static const deUint32 defaultSwizzles[] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA }; 299 300 // All swizzles applied to each channel. 301 tcu::TestCaseGroup* singleChannelGroup = new tcu::TestCaseGroup(m_testCtx, "single_channel", "Single-channel swizzle"); 302 addChild(singleChannelGroup); 303 for (int chanNdx = 0; chanNdx < DE_LENGTH_OF_ARRAY(channels); chanNdx++) 304 { 305 for (int swzNdx = 0; swzNdx < DE_LENGTH_OF_ARRAY(swizzles); swzNdx++) 306 { 307 if (swizzles[swzNdx].swizzle == defaultSwizzles[chanNdx]) 308 continue; // No need to test default case. 309 310 string name = string(channels[chanNdx].name) + "_" + swizzles[swzNdx].name; 311 deUint32 swz = swizzles[swzNdx].swizzle; 312 deUint32 swzR = (chanNdx == 0) ? swz : defaultSwizzles[0]; 313 deUint32 swzG = (chanNdx == 1) ? swz : defaultSwizzles[1]; 314 deUint32 swzB = (chanNdx == 2) ? swz : defaultSwizzles[2]; 315 deUint32 swzA = (chanNdx == 3) ? swz : defaultSwizzles[3]; 316 317 singleChannelGroup->addChild(new Texture2DSwizzleCase(m_context, name.c_str(), "Single-channel swizzle", GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, swzR, swzG, swzB, swzA)); 318 } 319 } 320 321 // Swizzles for all formats. 322 tcu::TestCaseGroup* multiChannelGroup = new tcu::TestCaseGroup(m_testCtx, "multi_channel", "Multi-channel swizzle"); 323 addChild(multiChannelGroup); 324 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(formats); fmtNdx++) 325 { 326 for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(swizzleCases); caseNdx++) 327 { 328 string name = string(formats[fmtNdx].name) + "_" + swizzleCases[caseNdx].name; 329 deUint32 swzR = swizzleCases[caseNdx].swzR; 330 deUint32 swzG = swizzleCases[caseNdx].swzG; 331 deUint32 swzB = swizzleCases[caseNdx].swzB; 332 deUint32 swzA = swizzleCases[caseNdx].swzA; 333 deUint32 intFormat = formats[fmtNdx].internalFormat; 334 deUint32 format = formats[fmtNdx].format; 335 deUint32 dataType = formats[fmtNdx].dataType; 336 337 multiChannelGroup->addChild(new Texture2DSwizzleCase(m_context, name.c_str(), "Multi-channel swizzle", intFormat, format, dataType, swzR, swzG, swzB, swzA)); 338 } 339 } 340} 341 342} // Functional 343} // gles3 344} // deqp 345