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
35 namespace deqp
36 {
37 namespace gles3
38 {
39 namespace Functional
40 {
41
42 using std::string;
43 using std::vector;
44 using tcu::TestLog;
45 using namespace deqp::gls;
46 using namespace deqp::gls::TextureTestUtil;
47
swizzle(const tcu::RGBA & c,deUint32 swz)48 static 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
swizzle(tcu::Surface & surface,deUint32 swzR,deUint32 swzG,deUint32 swzB,deUint32 swzA)64 static 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
76 class Texture2DSwizzleCase : public TestCase
77 {
78 public:
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
86 private:
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
Texture2DSwizzleCase(Context & context,const char * name,const char * description,deUint32 internalFormat,deUint32 format,deUint32 dataType,deUint32 swizzleR,deUint32 swizzleG,deUint32 swizzleB,deUint32 swizzleA)102 Texture2DSwizzleCase::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
~Texture2DSwizzleCase(void)116 Texture2DSwizzleCase::~Texture2DSwizzleCase (void)
117 {
118 deinit();
119 }
120
init(void)121 void 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
deinit(void)136 void Texture2DSwizzleCase::deinit (void)
137 {
138 delete m_texture;
139 m_texture = DE_NULL;
140
141 m_renderer.clear();
142 }
143
iterate(void)144 Texture2DSwizzleCase::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
TextureSwizzleTests(Context & context)224 TextureSwizzleTests::TextureSwizzleTests (Context& context)
225 : TestCaseGroup(context, "swizzle", "Texture Swizzle Tests")
226 {
227 }
228
~TextureSwizzleTests(void)229 TextureSwizzleTests::~TextureSwizzleTests (void)
230 {
231 }
232
init(void)233 void 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