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 Base class for FBO tests.
22 *//*--------------------------------------------------------------------*/
23
24 #include "es3fFboTestCase.hpp"
25 #include "es3fFboTestUtil.hpp"
26 #include "tcuTestLog.hpp"
27 #include "tcuImageCompare.hpp"
28 #include "tcuRenderTarget.hpp"
29 #include "sglrGLContext.hpp"
30 #include "sglrReferenceContext.hpp"
31 #include "gluStrUtil.hpp"
32 #include "gluContextInfo.hpp"
33 #include "deRandom.hpp"
34 #include "glwEnums.hpp"
35 #include "glwFunctions.hpp"
36
37 #include <algorithm>
38
39 namespace deqp
40 {
41 namespace gles3
42 {
43 namespace Functional
44 {
45
46 using tcu::TestLog;
47 using std::string;
48
FboTestCase(Context & context,const char * name,const char * description,bool useScreenSizedViewport)49 FboTestCase::FboTestCase (Context& context, const char* name, const char* description, bool useScreenSizedViewport)
50 : TestCase (context, name, description)
51 , m_viewportWidth (useScreenSizedViewport ? context.getRenderTarget().getWidth() : 128)
52 , m_viewportHeight (useScreenSizedViewport ? context.getRenderTarget().getHeight() : 128)
53 {
54 }
55
~FboTestCase(void)56 FboTestCase::~FboTestCase (void)
57 {
58 }
59
iterate(void)60 FboTestCase::IterateResult FboTestCase::iterate (void)
61 {
62 glu::RenderContext& renderCtx = TestCase::m_context.getRenderContext();
63 const tcu::RenderTarget& renderTarget = renderCtx.getRenderTarget();
64 TestLog& log = m_testCtx.getLog();
65
66 // Viewport.
67 de::Random rnd (deStringHash(getName()));
68 int width = deMin32(renderTarget.getWidth(), m_viewportWidth);
69 int height = deMin32(renderTarget.getHeight(), m_viewportHeight);
70 int x = rnd.getInt(0, renderTarget.getWidth() - width);
71 int y = rnd.getInt(0, renderTarget.getHeight() - height);
72
73 // Surface format and storage is choosen by render().
74 tcu::Surface reference;
75 tcu::Surface result;
76
77 // Call preCheck() that can throw exception if some requirement is not met.
78 preCheck();
79
80 // Render using GLES3.
81 try
82 {
83 sglr::GLContext context(renderCtx, log, sglr::GLCONTEXT_LOG_CALLS, tcu::IVec4(x, y, width, height));
84 setContext(&context);
85 render(result);
86
87 // Check error.
88 deUint32 err = glGetError();
89 if (err != GL_NO_ERROR)
90 throw glu::Error(err, glu::getErrorStr(err).toString().c_str(), DE_NULL, __FILE__, __LINE__);
91
92 setContext(DE_NULL);
93 }
94 catch (const FboTestUtil::FboIncompleteException& e)
95 {
96 if (e.getReason() == GL_FRAMEBUFFER_UNSUPPORTED)
97 {
98 log << e;
99 m_testCtx.setTestResult(QP_TEST_RESULT_NOT_SUPPORTED, "Not supported");
100 return STOP;
101 }
102 else
103 throw;
104 }
105
106 // Render reference.
107 {
108 sglr::ReferenceContextBuffers buffers (tcu::PixelFormat(8,8,8,renderTarget.getPixelFormat().alphaBits?8:0), renderTarget.getDepthBits(), renderTarget.getStencilBits(), width, height);
109 sglr::ReferenceContext context (sglr::ReferenceContextLimits(renderCtx), buffers.getColorbuffer(), buffers.getDepthbuffer(), buffers.getStencilbuffer());
110
111 setContext(&context);
112 render(reference);
113 setContext(DE_NULL);
114 }
115
116 bool isOk = compare(reference, result);
117 m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL,
118 isOk ? "Pass" : "Image comparison failed");
119 return STOP;
120 }
121
compare(const tcu::Surface & reference,const tcu::Surface & result)122 bool FboTestCase::compare (const tcu::Surface& reference, const tcu::Surface& result)
123 {
124 return tcu::fuzzyCompare(m_testCtx.getLog(), "Result", "Image comparison result", reference, result, 0.05f, tcu::COMPARE_LOG_RESULT);
125 }
126
readPixels(tcu::Surface & dst,int x,int y,int width,int height,const tcu::TextureFormat & format,const tcu::Vec4 & scale,const tcu::Vec4 & bias)127 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)
128 {
129 FboTestUtil::readPixels(*getCurrentContext(), dst, x, y, width, height, format, scale, bias);
130 }
131
readPixels(tcu::Surface & dst,int x,int y,int width,int height)132 void FboTestCase::readPixels (tcu::Surface& dst, int x, int y, int width, int height)
133 {
134 getCurrentContext()->readPixels(dst, x, y, width, height);
135 }
136
checkFramebufferStatus(deUint32 target)137 void FboTestCase::checkFramebufferStatus (deUint32 target)
138 {
139 deUint32 status = glCheckFramebufferStatus(target);
140 if (status != GL_FRAMEBUFFER_COMPLETE)
141 throw FboTestUtil::FboIncompleteException(status, __FILE__, __LINE__);
142 }
143
checkError(void)144 void FboTestCase::checkError (void)
145 {
146 deUint32 err = glGetError();
147 if (err != GL_NO_ERROR)
148 throw glu::Error((int)err, (string("Got ") + glu::getErrorStr(err).toString()).c_str(), DE_NULL, __FILE__, __LINE__);
149 }
150
isRequiredFormat(deUint32 format)151 static bool isRequiredFormat (deUint32 format)
152 {
153 switch (format)
154 {
155 // Color-renderable formats
156 case GL_RGBA32I:
157 case GL_RGBA32UI:
158 case GL_RGBA16I:
159 case GL_RGBA16UI:
160 case GL_RGBA8:
161 case GL_RGBA8I:
162 case GL_RGBA8UI:
163 case GL_SRGB8_ALPHA8:
164 case GL_RGB10_A2:
165 case GL_RGB10_A2UI:
166 case GL_RGBA4:
167 case GL_RGB5_A1:
168 case GL_RGB8:
169 case GL_RGB565:
170 case GL_RG32I:
171 case GL_RG32UI:
172 case GL_RG16I:
173 case GL_RG16UI:
174 case GL_RG8:
175 case GL_RG8I:
176 case GL_RG8UI:
177 case GL_R32I:
178 case GL_R32UI:
179 case GL_R16I:
180 case GL_R16UI:
181 case GL_R8:
182 case GL_R8I:
183 case GL_R8UI:
184 return true;
185
186 // Depth formats
187 case GL_DEPTH_COMPONENT32F:
188 case GL_DEPTH_COMPONENT24:
189 case GL_DEPTH_COMPONENT16:
190 return true;
191
192 // Depth+stencil formats
193 case GL_DEPTH32F_STENCIL8:
194 case GL_DEPTH24_STENCIL8:
195 return true;
196
197 // Stencil formats
198 case GL_STENCIL_INDEX8:
199 return true;
200
201 default:
202 return false;
203 }
204 }
205
getEnablingExtensions(deUint32 format)206 static std::vector<std::string> getEnablingExtensions (deUint32 format)
207 {
208 std::vector<std::string> out;
209
210 DE_ASSERT(!isRequiredFormat(format));
211
212 switch (format)
213 {
214 case GL_RGB16F:
215 out.push_back("GL_EXT_color_buffer_half_float");
216 break;
217
218 case GL_RGBA16F:
219 case GL_RG16F:
220 case GL_R16F:
221 out.push_back("GL_EXT_color_buffer_half_float");
222
223 case GL_RGBA32F:
224 case GL_RGB32F:
225 case GL_R11F_G11F_B10F:
226 case GL_RG32F:
227 case GL_R32F:
228 out.push_back("GL_EXT_color_buffer_float");
229
230 default:
231 break;
232 }
233
234 return out;
235 }
236
isAnyExtensionSupported(Context & context,const std::vector<std::string> & requiredExts)237 static bool isAnyExtensionSupported (Context& context, const std::vector<std::string>& requiredExts)
238 {
239 for (std::vector<std::string>::const_iterator iter = requiredExts.begin(); iter != requiredExts.end(); iter++)
240 {
241 const std::string& extension = *iter;
242
243 if (context.getContextInfo().isExtensionSupported(extension.c_str()))
244 return true;
245 }
246
247 return false;
248 }
249
checkFormatSupport(deUint32 sizedFormat)250 void FboTestCase::checkFormatSupport (deUint32 sizedFormat)
251 {
252 const bool isCoreFormat = isRequiredFormat(sizedFormat);
253 const std::vector<std::string> requiredExts = (!isCoreFormat) ? getEnablingExtensions(sizedFormat) : std::vector<std::string>();
254
255 // Check that we don't try to use invalid formats.
256 DE_ASSERT(isCoreFormat || !requiredExts.empty());
257
258 if (!requiredExts.empty() && !isAnyExtensionSupported(m_context, requiredExts))
259 throw tcu::NotSupportedError("Format not supported");
260 }
261
getMinimumSampleCount(deUint32 format)262 static int getMinimumSampleCount (deUint32 format)
263 {
264 switch (format)
265 {
266 // Core formats
267 case GL_RGBA32I:
268 case GL_RGBA32UI:
269 case GL_RGBA16I:
270 case GL_RGBA16UI:
271 case GL_RGBA8:
272 case GL_RGBA8I:
273 case GL_RGBA8UI:
274 case GL_SRGB8_ALPHA8:
275 case GL_RGB10_A2:
276 case GL_RGB10_A2UI:
277 case GL_RGBA4:
278 case GL_RGB5_A1:
279 case GL_RGB8:
280 case GL_RGB565:
281 case GL_RG32I:
282 case GL_RG32UI:
283 case GL_RG16I:
284 case GL_RG16UI:
285 case GL_RG8:
286 case GL_RG8I:
287 case GL_RG8UI:
288 case GL_R32I:
289 case GL_R32UI:
290 case GL_R16I:
291 case GL_R16UI:
292 case GL_R8:
293 case GL_R8I:
294 case GL_R8UI:
295 case GL_DEPTH_COMPONENT32F:
296 case GL_DEPTH_COMPONENT24:
297 case GL_DEPTH_COMPONENT16:
298 case GL_DEPTH32F_STENCIL8:
299 case GL_DEPTH24_STENCIL8:
300 case GL_STENCIL_INDEX8:
301 return 4;
302
303 // GL_EXT_color_buffer_float
304 case GL_R11F_G11F_B10F:
305 case GL_RG16F:
306 case GL_R16F:
307 return 4;
308
309 case GL_RGBA32F:
310 case GL_RGBA16F:
311 case GL_RG32F:
312 case GL_R32F:
313 return 0;
314
315 // GL_EXT_color_buffer_half_float
316 case GL_RGB16F:
317 return 0;
318
319 default:
320 DE_ASSERT(!"Unknown format");
321 return 0;
322 }
323 }
324
querySampleCounts(const glw::Functions & gl,deUint32 format)325 static std::vector<int> querySampleCounts (const glw::Functions& gl, deUint32 format)
326 {
327 int numSampleCounts = 0;
328 std::vector<int> sampleCounts;
329
330 gl.getInternalformativ(GL_RENDERBUFFER, format, GL_NUM_SAMPLE_COUNTS, 1, &numSampleCounts);
331
332 if (numSampleCounts > 0)
333 {
334 sampleCounts.resize(numSampleCounts);
335 gl.getInternalformativ(GL_RENDERBUFFER, format, GL_SAMPLES, (glw::GLsizei)sampleCounts.size(), &sampleCounts[0]);
336 }
337
338 GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to query sample counts for format");
339
340 return sampleCounts;
341 }
342
checkSampleCount(deUint32 sizedFormat,int numSamples)343 void FboTestCase::checkSampleCount (deUint32 sizedFormat, int numSamples)
344 {
345 const int minSampleCount = getMinimumSampleCount(sizedFormat);
346
347 if (numSamples > minSampleCount)
348 {
349 // Exceeds spec-mandated minimum - need to check.
350 const std::vector<int> supportedSampleCounts = querySampleCounts(m_context.getRenderContext().getFunctions(), sizedFormat);
351
352 if (std::find(supportedSampleCounts.begin(), supportedSampleCounts.end(), numSamples) == supportedSampleCounts.end())
353 throw tcu::NotSupportedError("Sample count not supported");
354 }
355 }
356
clearColorBuffer(const tcu::TextureFormat & format,const tcu::Vec4 & value)357 void FboTestCase::clearColorBuffer (const tcu::TextureFormat& format, const tcu::Vec4& value)
358 {
359 FboTestUtil::clearColorBuffer(*getCurrentContext(), format, value);
360 }
361
362 } // Functional
363 } // gles3
364 } // deqp
365