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 std::string;
47 using tcu::TestLog;
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 uint32_t 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(
109 tcu::PixelFormat(8, 8, 8, renderTarget.getPixelFormat().alphaBits ? 8 : 0), renderTarget.getDepthBits(),
110 renderTarget.getStencilBits(), width, height);
111 sglr::ReferenceContext context(sglr::ReferenceContextLimits(renderCtx), buffers.getColorbuffer(),
112 buffers.getDepthbuffer(), buffers.getStencilbuffer());
113
114 setContext(&context);
115 render(reference);
116 setContext(DE_NULL);
117 }
118
119 bool isOk = compare(reference, result);
120 m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL,
121 isOk ? "Pass" : "Image comparison failed");
122 return STOP;
123 }
124
compare(const tcu::Surface & reference,const tcu::Surface & result)125 bool FboTestCase::compare(const tcu::Surface &reference, const tcu::Surface &result)
126 {
127 return tcu::fuzzyCompare(m_testCtx.getLog(), "Result", "Image comparison result", reference, result, 0.05f,
128 tcu::COMPARE_LOG_RESULT);
129 }
130
readPixels(tcu::Surface & dst,int x,int y,int width,int height,const tcu::TextureFormat & format,const tcu::Vec4 & scale,const tcu::Vec4 & bias)131 void FboTestCase::readPixels(tcu::Surface &dst, int x, int y, int width, int height, const tcu::TextureFormat &format,
132 const tcu::Vec4 &scale, const tcu::Vec4 &bias)
133 {
134 FboTestUtil::readPixels(*getCurrentContext(), dst, x, y, width, height, format, scale, bias);
135 }
136
readPixels(tcu::Surface & dst,int x,int y,int width,int height)137 void FboTestCase::readPixels(tcu::Surface &dst, int x, int y, int width, int height)
138 {
139 getCurrentContext()->readPixels(dst, x, y, width, height);
140 }
141
checkFramebufferStatus(uint32_t target)142 void FboTestCase::checkFramebufferStatus(uint32_t target)
143 {
144 uint32_t status = glCheckFramebufferStatus(target);
145 if (status != GL_FRAMEBUFFER_COMPLETE)
146 throw FboTestUtil::FboIncompleteException(status, __FILE__, __LINE__);
147 }
148
checkError(void)149 void FboTestCase::checkError(void)
150 {
151 uint32_t err = glGetError();
152 if (err != GL_NO_ERROR)
153 throw glu::Error((int)err, (string("Got ") + glu::getErrorStr(err).toString()).c_str(), DE_NULL, __FILE__,
154 __LINE__);
155 }
156
isRequiredFormat(uint32_t format,glu::RenderContext & renderContext)157 static bool isRequiredFormat(uint32_t format, glu::RenderContext &renderContext)
158 {
159 switch (format)
160 {
161 // Color-renderable formats
162 case GL_RGBA32I:
163 case GL_RGBA32UI:
164 case GL_RGBA16I:
165 case GL_RGBA16UI:
166 case GL_RGBA8:
167 case GL_RGBA8I:
168 case GL_RGBA8UI:
169 case GL_SRGB8_ALPHA8:
170 case GL_RGB10_A2:
171 case GL_RGB10_A2UI:
172 case GL_RGBA4:
173 case GL_RGB5_A1:
174 case GL_RGB8:
175 case GL_RGB565:
176 case GL_RG32I:
177 case GL_RG32UI:
178 case GL_RG16I:
179 case GL_RG16UI:
180 case GL_RG8:
181 case GL_RG8I:
182 case GL_RG8UI:
183 case GL_R32I:
184 case GL_R32UI:
185 case GL_R16I:
186 case GL_R16UI:
187 case GL_R8:
188 case GL_R8I:
189 case GL_R8UI:
190 return true;
191
192 // Depth formats
193 case GL_DEPTH_COMPONENT32F:
194 case GL_DEPTH_COMPONENT24:
195 case GL_DEPTH_COMPONENT16:
196 return true;
197
198 // Depth+stencil formats
199 case GL_DEPTH32F_STENCIL8:
200 case GL_DEPTH24_STENCIL8:
201 return true;
202
203 // Stencil formats
204 case GL_STENCIL_INDEX8:
205 return true;
206
207 // Float formats
208 case GL_RGBA32F:
209 case GL_RGB32F:
210 case GL_R11F_G11F_B10F:
211 case GL_RG32F:
212 case GL_R32F:
213 return glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
214
215 default:
216 return false;
217 }
218 }
219
getEnablingExtensions(uint32_t format,glu::RenderContext & renderContext)220 static std::vector<std::string> getEnablingExtensions(uint32_t format, glu::RenderContext &renderContext)
221 {
222 const bool isES32 = glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
223 std::vector<std::string> out;
224
225 DE_ASSERT(!isRequiredFormat(format, renderContext));
226
227 switch (format)
228 {
229 case GL_RGB16F:
230 out.push_back("GL_EXT_color_buffer_half_float");
231 break;
232
233 case GL_RGBA16F:
234 case GL_RG16F:
235 case GL_R16F:
236 out.push_back("GL_EXT_color_buffer_half_float");
237 // Fallthrough
238
239 case GL_RGBA32F:
240 case GL_RGB32F:
241 case GL_R11F_G11F_B10F:
242 case GL_RG32F:
243 case GL_R32F:
244 if (!isES32)
245 out.push_back("GL_EXT_color_buffer_float");
246 break;
247
248 default:
249 break;
250 }
251
252 return out;
253 }
254
isAnyExtensionSupported(Context & context,const std::vector<std::string> & requiredExts)255 static bool isAnyExtensionSupported(Context &context, const std::vector<std::string> &requiredExts)
256 {
257 for (std::vector<std::string>::const_iterator iter = requiredExts.begin(); iter != requiredExts.end(); iter++)
258 {
259 const std::string &extension = *iter;
260
261 if (context.getContextInfo().isExtensionSupported(extension.c_str()))
262 return true;
263 }
264
265 return false;
266 }
267
checkFormatSupport(uint32_t sizedFormat)268 void FboTestCase::checkFormatSupport(uint32_t sizedFormat)
269 {
270 const bool isCoreFormat = isRequiredFormat(sizedFormat, m_context.getRenderContext());
271 const std::vector<std::string> requiredExts =
272 (!isCoreFormat) ? getEnablingExtensions(sizedFormat, m_context.getRenderContext()) : std::vector<std::string>();
273
274 // Check that we don't try to use invalid formats.
275 DE_ASSERT(isCoreFormat || !requiredExts.empty());
276
277 if (!requiredExts.empty() && !isAnyExtensionSupported(m_context, requiredExts))
278 throw tcu::NotSupportedError("Format not supported");
279 }
280
getMinimumSampleCount(uint32_t format)281 static int getMinimumSampleCount(uint32_t format)
282 {
283 switch (format)
284 {
285 // Core formats
286 case GL_RGBA32I:
287 case GL_RGBA32UI:
288 case GL_RGBA16I:
289 case GL_RGBA16UI:
290 case GL_RGBA8:
291 case GL_RGBA8I:
292 case GL_RGBA8UI:
293 case GL_SRGB8_ALPHA8:
294 case GL_RGB10_A2:
295 case GL_RGB10_A2UI:
296 case GL_RGBA4:
297 case GL_RGB5_A1:
298 case GL_RGB8:
299 case GL_RGB565:
300 case GL_RG32I:
301 case GL_RG32UI:
302 case GL_RG16I:
303 case GL_RG16UI:
304 case GL_RG8:
305 case GL_RG8I:
306 case GL_RG8UI:
307 case GL_R32I:
308 case GL_R32UI:
309 case GL_R16I:
310 case GL_R16UI:
311 case GL_R8:
312 case GL_R8I:
313 case GL_R8UI:
314 case GL_DEPTH_COMPONENT32F:
315 case GL_DEPTH_COMPONENT24:
316 case GL_DEPTH_COMPONENT16:
317 case GL_DEPTH32F_STENCIL8:
318 case GL_DEPTH24_STENCIL8:
319 case GL_STENCIL_INDEX8:
320 return 4;
321
322 // GL_EXT_color_buffer_float
323 case GL_R11F_G11F_B10F:
324 case GL_RG16F:
325 case GL_R16F:
326 return 4;
327
328 case GL_RGBA32F:
329 case GL_RGBA16F:
330 case GL_RG32F:
331 case GL_R32F:
332 return 0;
333
334 // GL_EXT_color_buffer_half_float
335 case GL_RGB16F:
336 return 0;
337
338 default:
339 DE_FATAL("Unknown format");
340 return 0;
341 }
342 }
343
querySampleCounts(const glw::Functions & gl,uint32_t format)344 static std::vector<int> querySampleCounts(const glw::Functions &gl, uint32_t format)
345 {
346 int numSampleCounts = 0;
347 std::vector<int> sampleCounts;
348
349 gl.getInternalformativ(GL_RENDERBUFFER, format, GL_NUM_SAMPLE_COUNTS, 1, &numSampleCounts);
350
351 if (numSampleCounts > 0)
352 {
353 sampleCounts.resize(numSampleCounts);
354 gl.getInternalformativ(GL_RENDERBUFFER, format, GL_SAMPLES, (glw::GLsizei)sampleCounts.size(),
355 &sampleCounts[0]);
356 }
357
358 GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to query sample counts for format");
359
360 return sampleCounts;
361 }
362
checkSampleCount(uint32_t sizedFormat,int numSamples)363 void FboTestCase::checkSampleCount(uint32_t sizedFormat, int numSamples)
364 {
365 const int minSampleCount = getMinimumSampleCount(sizedFormat);
366
367 if (numSamples > minSampleCount)
368 {
369 // Exceeds spec-mandated minimum - need to check.
370 const std::vector<int> supportedSampleCounts =
371 querySampleCounts(m_context.getRenderContext().getFunctions(), sizedFormat);
372
373 if (std::find(supportedSampleCounts.begin(), supportedSampleCounts.end(), numSamples) ==
374 supportedSampleCounts.end())
375 throw tcu::NotSupportedError("Sample count not supported");
376 }
377 }
378
clearColorBuffer(const tcu::TextureFormat & format,const tcu::Vec4 & value)379 void FboTestCase::clearColorBuffer(const tcu::TextureFormat &format, const tcu::Vec4 &value)
380 {
381 FboTestUtil::clearColorBuffer(*getCurrentContext(), format, value);
382 }
383
384 } // namespace Functional
385 } // namespace gles3
386 } // namespace deqp
387