glsFboCompletenessTests.cpp revision b5c60b02e542a61a2b658272034c830f92b4c766
1/*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL (ES) 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 Framebuffer completeness tests.
22 *//*--------------------------------------------------------------------*/
23
24#include "glsFboCompletenessTests.hpp"
25
26#include "gluStrUtil.hpp"
27#include "gluObjectWrapper.hpp"
28#include "deStringUtil.hpp"
29
30#include <cctype>
31#include <iterator>
32#include <algorithm>
33
34using namespace glw;
35using glu::RenderContext;
36using glu::getFramebufferStatusName;
37using glu::getPixelFormatName;
38using glu::getTypeName;
39using glu::getErrorName;
40using glu::Framebuffer;
41using tcu::TestCase;
42using tcu::TestCaseGroup;
43using tcu::TestLog;
44using tcu::MessageBuilder;
45using tcu::TestNode;
46using std::string;
47using de::toString;
48using de::toLower;
49using namespace deqp::gls::FboUtil;
50using namespace deqp::gls::FboUtil::config;
51typedef TestCase::IterateResult IterateResult;
52
53namespace deqp
54{
55namespace gls
56{
57namespace fboc
58{
59
60namespace details
61{
62
63// The following extensions are applicable both to ES2 and ES3.
64
65// GL_OES_depth_texture
66static const FormatKey s_oesDepthTextureFormats[] =
67{
68	GLS_UNSIZED_FORMATKEY(GL_DEPTH_COMPONENT,	GL_UNSIGNED_SHORT),
69	GLS_UNSIZED_FORMATKEY(GL_DEPTH_COMPONENT,	GL_UNSIGNED_INT),
70};
71
72// GL_OES_packed_depth_stencil
73static const FormatKey s_oesPackedDepthStencilSizedFormats[] =
74{
75	GL_DEPTH24_STENCIL8,
76};
77
78static const FormatKey s_oesPackedDepthStencilTexFormats[] =
79{
80	GLS_UNSIZED_FORMATKEY(GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8),
81};
82
83// GL_OES_required_internalformat
84static const FormatKey s_oesRequiredInternalFormatColorFormats[] =
85{
86	// Same as ES2 RBO formats, plus RGBA8 (even without OES_rgb8_rgba8)
87	GL_RGB5_A1, GL_RGBA8, GL_RGBA4, GL_RGB565
88};
89
90static const FormatKey s_oesRequiredInternalFormatDepthFormats[] =
91{
92	GL_DEPTH_COMPONENT16,
93};
94
95// GL_EXT_color_buffer_half_float
96static const FormatKey s_extColorBufferHalfFloatFormats[] =
97{
98	GL_RGBA16F, GL_RGB16F, GL_RG16F, GL_R16F,
99};
100
101static const FormatKey s_oesDepth24SizedFormats[] =
102{
103	GL_DEPTH_COMPONENT24
104};
105
106static const FormatKey s_oesDepth32SizedFormats[] =
107{
108	GL_DEPTH_COMPONENT32
109};
110
111static const FormatKey s_oesRgb8Rgba8RboFormats[] =
112{
113	GL_RGB8,
114	GL_RGBA8,
115};
116
117static const FormatKey s_oesRequiredInternalFormatRgb8ColorFormat[] =
118{
119	GL_RGB8,
120};
121
122static const FormatKey s_extTextureType2101010RevFormats[] =
123{
124	GLS_UNSIZED_FORMATKEY(GL_RGBA,	GL_UNSIGNED_INT_2_10_10_10_REV),
125	GLS_UNSIZED_FORMATKEY(GL_RGB,	GL_UNSIGNED_INT_2_10_10_10_REV),
126};
127
128static const FormatKey s_oesRequiredInternalFormat10bitColorFormats[] =
129{
130	GL_RGB10_A2, GL_RGB10,
131};
132
133static const FormatKey s_extTextureRgRboFormats[] =
134{
135	GL_R8, GL_RG8,
136};
137
138static const FormatKey s_extTextureRgTexFormats[] =
139{
140	GLS_UNSIZED_FORMATKEY(GL_RED,	GL_UNSIGNED_BYTE),
141	GLS_UNSIZED_FORMATKEY(GL_RG,	GL_UNSIGNED_BYTE),
142};
143
144static const FormatKey s_extTextureRgFloatTexFormats[] =
145{
146	GLS_UNSIZED_FORMATKEY(GL_RED,	GL_FLOAT),
147	GLS_UNSIZED_FORMATKEY(GL_RG,	GL_FLOAT),
148};
149
150static const FormatKey s_extTextureRgHalfFloatTexFormats[] =
151{
152	GLS_UNSIZED_FORMATKEY(GL_RED,	GL_HALF_FLOAT_OES),
153	GLS_UNSIZED_FORMATKEY(GL_RG,	GL_HALF_FLOAT_OES),
154};
155
156static const FormatKey s_nvPackedFloatRboFormats[] =
157{
158	GL_R11F_G11F_B10F,
159};
160
161static const FormatKey s_nvPackedFloatTexFormats[] =
162{
163	GLS_UNSIZED_FORMATKEY(GL_RGB,	GL_UNSIGNED_INT_10F_11F_11F_REV),
164};
165
166static const FormatKey s_extSrgbRboFormats[] =
167{
168	GL_SRGB8_ALPHA8,
169};
170
171static const FormatKey s_extSrgbRenderableTexFormats[] =
172{
173	GLS_UNSIZED_FORMATKEY(GL_SRGB_ALPHA,	GL_UNSIGNED_BYTE),
174};
175
176static const FormatKey s_extSrgbNonRenderableTexFormats[] =
177{
178	GLS_UNSIZED_FORMATKEY(GL_SRGB,			GL_UNSIGNED_BYTE),
179	GL_SRGB8,
180};
181
182static const FormatKey s_nvSrgbFormatsRboFormats[] =
183{
184	GL_SRGB8,
185};
186
187static const FormatKey s_nvSrgbFormatsTextureFormats[] =
188{
189	GL_SRGB8,
190
191	// The extension does not actually require any unsized format
192	// to be renderable. However, the renderablility of unsized
193	// SRGB,UBYTE internalformat-type pair is implied.
194	GLS_UNSIZED_FORMATKEY(GL_SRGB,			GL_UNSIGNED_BYTE),
195};
196
197static const FormatKey s_oesRgb8Rgba8TexFormats[] =
198{
199	GLS_UNSIZED_FORMATKEY(GL_RGB,		GL_UNSIGNED_BYTE),
200	GLS_UNSIZED_FORMATKEY(GL_RGBA,		GL_UNSIGNED_BYTE),
201};
202
203static const FormatKey s_extTextureSRGBR8Formats[] =
204{
205	GL_SR8_EXT,
206};
207
208static const FormatKey s_extTextureSRGBRG8Formats[] =
209{
210	GL_SRG8_EXT,
211};
212
213static const FormatExtEntry s_esExtFormats[] =
214{
215	{
216		"GL_OES_depth_texture",
217		REQUIRED_RENDERABLE | DEPTH_RENDERABLE | TEXTURE_VALID,
218		GLS_ARRAY_RANGE(s_oesDepthTextureFormats),
219	},
220	{
221		"GL_OES_packed_depth_stencil",
222		REQUIRED_RENDERABLE | DEPTH_RENDERABLE | STENCIL_RENDERABLE | RENDERBUFFER_VALID,
223		GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
224	},
225	{
226		"GL_OES_packed_depth_stencil GL_OES_required_internalformat",
227		TEXTURE_VALID,
228		GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
229	},
230	{
231		"GL_OES_packed_depth_stencil",
232		DEPTH_RENDERABLE | STENCIL_RENDERABLE | TEXTURE_VALID,
233		GLS_ARRAY_RANGE(s_oesPackedDepthStencilTexFormats)
234	},
235	// \todo [2013-12-10 lauri] Find out if OES_texture_half_float is really a
236	// requirement on ES3 also. Or is color_buffer_half_float applicatble at
237	// all on ES3, since there's also EXT_color_buffer_float?
238	{
239		"GL_OES_texture_half_float GL_EXT_color_buffer_half_float",
240		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
241		GLS_ARRAY_RANGE(s_extColorBufferHalfFloatFormats)
242	},
243
244	// OES_required_internalformat doesn't actually specify that these are renderable,
245	// since it was written against ES 1.1.
246	{
247		"GL_OES_required_internalformat",
248		 // Allow but don't require RGBA8 to be color-renderable if
249		 // OES_rgb8_rgba8 is not present.
250		COLOR_RENDERABLE | TEXTURE_VALID,
251		GLS_ARRAY_RANGE(s_oesRequiredInternalFormatColorFormats)
252	},
253	{
254		"GL_OES_required_internalformat",
255		DEPTH_RENDERABLE | TEXTURE_VALID,
256		GLS_ARRAY_RANGE(s_oesRequiredInternalFormatDepthFormats)
257	},
258	{
259		"GL_EXT_texture_rg",
260		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
261		GLS_ARRAY_RANGE(s_extTextureRgRboFormats)
262	},
263	// These are not specified to be color-renderable, but the wording is
264	// exactly as ambiguous as the wording in the ES2 spec.
265	{
266		"GL_EXT_texture_rg",
267		COLOR_RENDERABLE | TEXTURE_VALID,
268		GLS_ARRAY_RANGE(s_extTextureRgTexFormats)
269	},
270	{
271		"GL_EXT_texture_rg GL_OES_texture_float",
272		COLOR_RENDERABLE | TEXTURE_VALID,
273		GLS_ARRAY_RANGE(s_extTextureRgFloatTexFormats)
274	},
275	{
276		"GL_EXT_texture_rg GL_OES_texture_half_float",
277		COLOR_RENDERABLE | TEXTURE_VALID,
278		GLS_ARRAY_RANGE(s_extTextureRgHalfFloatTexFormats)
279	},
280
281	{
282		"GL_NV_packed_float",
283		COLOR_RENDERABLE | TEXTURE_VALID,
284		GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
285	},
286	{
287		"GL_NV_packed_float GL_EXT_color_buffer_half_float",
288		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
289		GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
290	},
291
292	// Some Tegra drivers report GL_EXT_packed_float even for ES. Treat it as
293	// a synonym for the NV_ version.
294	{
295		"GL_EXT_packed_float",
296		COLOR_RENDERABLE | TEXTURE_VALID,
297		GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
298	},
299	{
300		"GL_EXT_packed_float GL_EXT_color_buffer_half_float",
301		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
302		GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
303	},
304
305	{
306		"GL_EXT_sRGB",
307		COLOR_RENDERABLE | TEXTURE_VALID,
308		GLS_ARRAY_RANGE(s_extSrgbRenderableTexFormats)
309	},
310	{
311		"GL_EXT_sRGB",
312		TEXTURE_VALID,
313		GLS_ARRAY_RANGE(s_extSrgbNonRenderableTexFormats)
314	},
315	{
316		"GL_EXT_sRGB",
317		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
318		GLS_ARRAY_RANGE(s_extSrgbRboFormats)
319	},
320	{
321		"GL_NV_sRGB_formats",
322		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
323		GLS_ARRAY_RANGE(s_nvSrgbFormatsRboFormats)
324	},
325	{
326		"GL_NV_sRGB_formats",
327		REQUIRED_RENDERABLE | COLOR_RENDERABLE | TEXTURE_VALID,
328		GLS_ARRAY_RANGE(s_nvSrgbFormatsTextureFormats)
329	},
330
331	 // In Khronos bug 7333 discussion, the consensus is that these texture
332	 // formats, at least, should be color-renderable. Still, that cannot be
333	 // found in any extension specs, so only allow it, not require it.
334	{
335		"GL_OES_rgb8_rgba8",
336		COLOR_RENDERABLE | TEXTURE_VALID,
337		GLS_ARRAY_RANGE(s_oesRgb8Rgba8TexFormats)
338	},
339	{
340		"GL_OES_rgb8_rgba8",
341		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
342		GLS_ARRAY_RANGE(s_oesRgb8Rgba8RboFormats)
343	},
344	{
345		"GL_OES_rgb8_rgba8 GL_OES_required_internalformat",
346		TEXTURE_VALID,
347		GLS_ARRAY_RANGE(s_oesRequiredInternalFormatRgb8ColorFormat)
348	},
349
350	// The depth-renderability of the depth RBO formats is not explicitly
351	// spelled out, but all renderbuffer formats are meant to be renderable.
352	{
353		"GL_OES_depth24",
354		REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
355		GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
356	},
357	{
358		"GL_OES_depth24 GL_OES_required_internalformat GL_OES_depth_texture",
359		TEXTURE_VALID,
360		GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
361	},
362
363	{
364		"GL_OES_depth32",
365		REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
366		GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
367	},
368	{
369		"GL_OES_depth32 GL_OES_required_internalformat GL_OES_depth_texture",
370		TEXTURE_VALID,
371		GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
372	},
373
374	{
375		"GL_EXT_texture_type_2_10_10_10_REV",
376		TEXTURE_VALID, // explicitly unrenderable
377		GLS_ARRAY_RANGE(s_extTextureType2101010RevFormats)
378	},
379	{
380		"GL_EXT_texture_type_2_10_10_10_REV GL_OES_required_internalformat",
381		TEXTURE_VALID, // explicitly unrenderable
382		GLS_ARRAY_RANGE(s_oesRequiredInternalFormat10bitColorFormats)
383	},
384
385	{
386		"GL_EXT_texture_sRGB_R8",
387		TEXTURE_VALID,
388		GLS_ARRAY_RANGE(s_extTextureSRGBR8Formats)
389	},
390	{
391		"GL_EXT_texture_sRGB_RG8",
392		TEXTURE_VALID,
393		GLS_ARRAY_RANGE(s_extTextureSRGBRG8Formats)
394	},
395};
396
397Context::Context (TestContext& testCtx,
398				  RenderContext& renderCtx,
399				  CheckerFactory& factory)
400	: m_testCtx				(testCtx)
401	, m_renderCtx			(renderCtx)
402	, m_verifier			(m_ctxFormats, factory)
403	, m_haveMultiColorAtts	(false)
404{
405	FormatExtEntries extRange = GLS_ARRAY_RANGE(s_esExtFormats);
406	addExtFormats(extRange);
407}
408
409void Context::addFormats (FormatEntries fmtRange)
410{
411	FboUtil::addFormats(m_coreFormats, fmtRange);
412	FboUtil::addFormats(m_ctxFormats, fmtRange);
413	FboUtil::addFormats(m_allFormats, fmtRange);
414}
415
416void Context::addExtFormats (FormatExtEntries extRange)
417{
418	FboUtil::addExtFormats(m_ctxFormats, extRange, &m_renderCtx);
419	FboUtil::addExtFormats(m_allFormats, extRange, DE_NULL);
420}
421
422void TestBase::pass (void)
423{
424	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
425}
426
427void TestBase::qualityWarning (const char* msg)
428{
429	m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, msg);
430}
431
432void TestBase::fail (const char* msg)
433{
434	m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, msg);
435}
436
437const glw::Functions& gl (const TestBase& test)
438{
439	return test.getContext().getRenderContext().getFunctions();
440}
441
442static bool isFormatFeatureSupported (const FormatDB& db, const ImageFormat& format, FormatFlags feature)
443{
444	return db.isKnownFormat(format) && ((db.getFormatInfo(format) & feature) == feature);
445}
446
447static void logAffectingExtensions (const char* prefix, const FormatDB& db, const ImageFormat& format, FormatFlags feature, tcu::MessageBuilder& msg)
448{
449	const std::set<std::set<std::string> > rows = db.getFormatFeatureExtensions(format, feature);
450
451	for (std::set<std::set<std::string> >::const_iterator rowIt = rows.begin(); rowIt != rows.end(); ++rowIt)
452	{
453		const std::set<std::string>&			requiredExtensions	= *rowIt;
454		std::set<std::string>::const_iterator	it					= requiredExtensions.begin();
455		std::string								extName;
456
457		msg << prefix;
458
459		extName = *it++;
460		while (it != requiredExtensions.end())
461		{
462			msg << extName;
463			extName = *it++;
464			msg << (it == requiredExtensions.end() ? " and " : ", ");
465		}
466
467		msg << extName << '\n';
468	}
469}
470
471static void logFormatInfo (const config::Framebuffer& fbo, const FormatDB& ctxFormats, const FormatDB& coreFormats, const FormatDB& allFormats, tcu::TestLog& log)
472{
473	static const struct
474	{
475		const char*			name;
476		const FormatFlags	flag;
477	} s_renderability[] =
478	{
479		{ "color-renderable",	COLOR_RENDERABLE	},
480		{ "depth-renderable",	DEPTH_RENDERABLE	},
481		{ "stencil-renderable",	STENCIL_RENDERABLE	},
482	};
483
484	std::set<ImageFormat> formats;
485
486	for (config::TextureMap::const_iterator it = fbo.textures.begin(); it != fbo.textures.end(); ++it)
487		formats.insert(it->second->internalFormat);
488	for (config::RboMap::const_iterator it = fbo.rbos.begin(); it != fbo.rbos.end(); ++it)
489		formats.insert(it->second->internalFormat);
490
491	if (!formats.empty())
492	{
493		const tcu::ScopedLogSection supersection(log, "Format", "Format info");
494
495		for (std::set<ImageFormat>::const_iterator it = formats.begin(); it != formats.end(); ++it)
496		{
497			const tcu::ScopedLogSection section(log, "FormatInfo", de::toString(*it));
498
499			// texture validity
500			if (isFormatFeatureSupported(ctxFormats, *it, TEXTURE_VALID))
501			{
502				tcu::MessageBuilder msg(&log);
503				msg << "* Valid texture format\n";
504
505				if (isFormatFeatureSupported(coreFormats, *it, TEXTURE_VALID))
506					msg << "\t* core feature";
507				else
508				{
509					msg << "\t* defined in supported extension(s):\n";
510					logAffectingExtensions("\t\t- ", ctxFormats, *it, TEXTURE_VALID, msg);
511				}
512
513				msg << tcu::TestLog::EndMessage;
514			}
515			else
516			{
517				tcu::MessageBuilder msg(&log);
518				msg << "* Unsupported texture format\n";
519
520				if (isFormatFeatureSupported(allFormats, *it, TEXTURE_VALID))
521				{
522					msg << "\t* requires any of the extensions or combinations:\n";
523					logAffectingExtensions("\t\t- ", allFormats, *it, TEXTURE_VALID, msg);
524				}
525				else
526					msg << "\t* no extension can make this format valid";
527
528				msg << tcu::TestLog::EndMessage;
529			}
530
531			// RBO validity
532			if (isFormatFeatureSupported(ctxFormats, *it, RENDERBUFFER_VALID))
533			{
534				tcu::MessageBuilder msg(&log);
535				msg << "* Valid renderbuffer format\n";
536
537				if (isFormatFeatureSupported(coreFormats, *it, RENDERBUFFER_VALID))
538					msg << "\t* core feature";
539				else
540				{
541					msg << "\t* defined in supported extension(s):\n";
542					logAffectingExtensions("\t\t- ", ctxFormats, *it, RENDERBUFFER_VALID, msg);
543				}
544
545				msg << tcu::TestLog::EndMessage;
546			}
547			else
548			{
549				tcu::MessageBuilder msg(&log);
550				msg << "* Unsupported renderbuffer format\n";
551
552				if (isFormatFeatureSupported(allFormats, *it, RENDERBUFFER_VALID))
553				{
554					msg << "\t* requires any of the extensions or combinations:\n";
555					logAffectingExtensions("\t\t- ", allFormats, *it, RENDERBUFFER_VALID, msg);
556				}
557				else
558					msg << "\t* no extension can make this format valid";
559
560				msg << tcu::TestLog::EndMessage;
561			}
562
563			// renderability
564			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_renderability); ++ndx)
565			{
566				if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
567				{
568					tcu::MessageBuilder msg(&log);
569					msg << "* Format is " << s_renderability[ndx].name << "\n";
570
571					if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
572						msg << "\t* core feature";
573					else
574					{
575						msg << "\t* defined in supported extension(s):\n";
576						logAffectingExtensions("\t\t- ", ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
577					}
578
579					msg << tcu::TestLog::EndMessage;
580				}
581				else if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag))
582				{
583					tcu::MessageBuilder msg(&log);
584					msg << "* Format is allowed to be " << s_renderability[ndx].name << " but not required\n";
585
586					if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag))
587						msg << "\t* core feature";
588					else if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
589					{
590						msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
591						logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
592					}
593					else
594						msg << "\t* no extension can make this format " << s_renderability[ndx].name;
595
596					msg << tcu::TestLog::EndMessage;
597				}
598				else
599				{
600					tcu::MessageBuilder msg(&log);
601					msg << "* Format is NOT " << s_renderability[ndx].name << "\n";
602
603					if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
604					{
605						if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
606						{
607							msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
608							logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
609						}
610						else
611						{
612							msg << "\t* extensions that are allowed to make format " << s_renderability[ndx].name << ":\n";
613							logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
614						}
615					}
616					else
617						msg << "\t* no extension can make this format " << s_renderability[ndx].name;
618
619					msg << tcu::TestLog::EndMessage;
620				}
621			}
622		}
623	}
624}
625
626IterateResult TestBase::iterate (void)
627{
628	glu::Framebuffer		fbo			(m_ctx.getRenderContext());
629	FboBuilder				builder		(*fbo, GL_FRAMEBUFFER, gl(*this));
630	const IterateResult		ret			= build(builder);
631	const ValidStatusCodes	reference	= m_ctx.getVerifier().validStatusCodes(builder);
632	const GLenum			errorCode	= builder.getError();
633
634	logFramebufferConfig(builder, m_testCtx.getLog());
635	logFormatInfo(builder, m_ctx.getCtxFormats(), m_ctx.getCoreFormats(), m_ctx.getAllFormats(), m_testCtx.getLog());
636	reference.logRules(m_testCtx.getLog());
637	reference.logLegalResults(m_testCtx.getLog());
638
639	// \todo [2013-12-04 lauri] Check if drawing operations succeed.
640
641	if (errorCode != GL_NO_ERROR)
642	{
643		m_testCtx.getLog()
644			<< TestLog::Message
645			<< "Received " << glu::getErrorStr(errorCode) << " (during FBO initialization)."
646			<< TestLog::EndMessage;
647
648		if (reference.isErrorCodeValid(errorCode))
649			pass();
650		else if (reference.isErrorCodeRequired(GL_NO_ERROR))
651			fail(("Expected no error but got " + de::toString(glu::getErrorStr(errorCode))).c_str());
652		else
653			fail("Got wrong error code");
654	}
655	else
656	{
657		const GLenum	fboStatus	= gl(*this).checkFramebufferStatus(GL_FRAMEBUFFER);
658		const bool		validStatus	= reference.isFBOStatusValid(fboStatus);
659
660		m_testCtx.getLog()
661			<< TestLog::Message
662			<< "Received " << glu::getFramebufferStatusStr(fboStatus) << "."
663			<< TestLog::EndMessage;
664
665		if (!validStatus)
666		{
667			if (fboStatus == GL_FRAMEBUFFER_COMPLETE)
668				fail("Framebuffer checked as complete, expected incomplete");
669			else if (reference.isFBOStatusRequired(GL_FRAMEBUFFER_COMPLETE))
670				fail("Framebuffer checked is incomplete, expected complete");
671			else
672				// An incomplete status is allowed, but not _this_ incomplete status.
673				fail("Framebuffer checked as incomplete, but with wrong status");
674		}
675		else if (fboStatus != GL_FRAMEBUFFER_COMPLETE && reference.isFBOStatusValid(GL_FRAMEBUFFER_COMPLETE))
676			qualityWarning("Framebuffer object could have checked as complete but did not.");
677		else
678			pass();
679	}
680
681	return ret;
682}
683
684IterateResult TestBase::build (FboBuilder& builder)
685{
686	DE_UNREF(builder);
687	return STOP;
688}
689
690ImageFormat TestBase::getDefaultFormat (GLenum attPoint, GLenum bufType) const
691{
692	if (bufType == GL_NONE)
693	{
694		return ImageFormat::none();
695	}
696
697	// Prefer a standard format, if there is one, but if not, use a format
698	// provided by an extension.
699	Formats formats = m_ctx.getCoreFormats().getFormats(formatFlag(attPoint) |
700														 formatFlag(bufType));
701	Formats::const_iterator it = formats.begin();
702	if (it == formats.end())
703	{
704		formats = m_ctx.getCtxFormats().getFormats(formatFlag(attPoint) |
705													 formatFlag(bufType));
706		it = formats.begin();
707	}
708	if (it == formats.end())
709		throw tcu::NotSupportedError("Unsupported attachment kind for attachment point",
710									 "", __FILE__, __LINE__);
711	return *it;
712};
713
714Image* makeImage (GLenum bufType, ImageFormat format,
715				  GLsizei width, GLsizei height, FboBuilder& builder)
716{
717	Image* image = DE_NULL;
718	switch (bufType)
719	{
720		case GL_NONE:
721			return DE_NULL;
722		case GL_RENDERBUFFER:
723			image = &builder.makeConfig<Renderbuffer>();
724			break;
725		case GL_TEXTURE:
726			image = &builder.makeConfig<Texture2D>();
727			break;
728		default:
729			DE_ASSERT(!"Impossible case");
730	}
731	image->internalFormat = format;
732	image->width = width;
733	image->height = height;
734	return image;
735}
736
737Attachment* makeAttachment (GLenum bufType, ImageFormat format,
738							GLsizei width, GLsizei height, FboBuilder& builder)
739{
740	Image* const imgCfg = makeImage (bufType, format, width, height, builder);
741	Attachment* att = DE_NULL;
742	GLuint img = 0;
743
744	if (Renderbuffer* rboCfg = dynamic_cast<Renderbuffer*>(imgCfg))
745	{
746		img = builder.glCreateRbo(*rboCfg);
747		att = &builder.makeConfig<RenderbufferAttachment>();
748	}
749	else if (Texture2D* texCfg = dynamic_cast<Texture2D*>(imgCfg))
750	{
751		img = builder.glCreateTexture(*texCfg);
752		TextureFlatAttachment& texAtt = builder.makeConfig<TextureFlatAttachment>();
753		texAtt.texTarget = GL_TEXTURE_2D;
754		att = &texAtt;
755	}
756	else
757	{
758		DE_ASSERT(imgCfg == DE_NULL);
759		return DE_NULL;
760	}
761	att->imageName = img;
762	return att;
763}
764
765void TestBase::attachTargetToNew (GLenum target, GLenum bufType, ImageFormat format,
766								  GLsizei width, GLsizei height, FboBuilder& builder)
767{
768	ImageFormat imgFmt = format;
769	if (imgFmt.format == GL_NONE)
770		imgFmt = getDefaultFormat(target, bufType);
771
772	const Attachment* const att = makeAttachment(bufType, imgFmt, width, height, builder);
773	builder.glAttach(target, att);
774}
775
776static string formatName (ImageFormat format)
777{
778	const string s = getPixelFormatName(format.format);
779	const string fmtStr = toLower(s.substr(3));
780
781	if (format.unsizedType != GL_NONE)
782	{
783		const string typeStr = getTypeName(format.unsizedType);
784		return fmtStr + "_" + toLower(typeStr.substr(3));
785	}
786
787	return fmtStr;
788}
789
790static string formatDesc (ImageFormat format)
791{
792	const string fmtStr = getPixelFormatName(format.format);
793
794	if (format.unsizedType != GL_NONE)
795	{
796		const string typeStr = getTypeName(format.unsizedType);
797		return fmtStr + " with type " + typeStr;
798	}
799
800	return fmtStr;
801}
802
803struct RenderableParams
804{
805	GLenum				attPoint;
806	GLenum				bufType;
807	ImageFormat			format;
808	static string		getName				(const RenderableParams& params)
809	{
810		return formatName(params.format);
811	}
812	static string		getDescription		(const RenderableParams& params)
813	{
814		return formatDesc(params.format);
815	}
816};
817
818class RenderableTest : public ParamTest<RenderableParams>
819{
820public:
821					RenderableTest		(Context& group, const Params& params)
822						: ParamTest<RenderableParams> (group, params) {}
823	IterateResult	build				(FboBuilder& builder);
824};
825
826IterateResult RenderableTest::build (FboBuilder& builder)
827{
828	attachTargetToNew(m_params.attPoint, m_params.bufType, m_params.format, 64, 64, builder);
829	return STOP;
830}
831
832string attTypeName (GLenum bufType)
833{
834	switch (bufType)
835	{
836		case GL_NONE:
837			return "none";
838		case GL_RENDERBUFFER:
839			return "rbo";
840		case GL_TEXTURE:
841			return "tex";
842		default:
843			DE_ASSERT(!"Impossible case");
844	}
845	return ""; // Shut up compiler
846}
847
848struct AttachmentParams
849{
850	GLenum						color0Kind;
851	GLenum						colornKind;
852	GLenum						depthKind;
853	GLenum						stencilKind;
854
855	static string		getName			(const AttachmentParams& params);
856	static string		getDescription	(const AttachmentParams& params)
857	{
858		return getName(params);
859	}
860};
861
862string AttachmentParams::getName (const AttachmentParams& params)
863{
864	return (attTypeName(params.color0Kind) + "_" +
865			attTypeName(params.colornKind) + "_" +
866			attTypeName(params.depthKind) + "_" +
867			attTypeName(params.stencilKind));
868}
869
870//! Test for combinations of different kinds of attachments
871class AttachmentTest : public ParamTest<AttachmentParams>
872{
873public:
874					AttachmentTest		(Context& group, Params& params)
875						: ParamTest<AttachmentParams> (group, params) {}
876
877protected:
878	IterateResult	build				(FboBuilder& builder);
879	void			makeDepthAndStencil	(FboBuilder& builder);
880};
881
882
883void AttachmentTest::makeDepthAndStencil (FboBuilder& builder)
884{
885	if (m_params.stencilKind == m_params.depthKind)
886	{
887		// If there is a common stencil+depth -format, try to use a common
888		// image for both attachments.
889		const FormatFlags flags =
890			DEPTH_RENDERABLE | STENCIL_RENDERABLE | formatFlag(m_params.stencilKind);
891		const Formats& formats = m_ctx.getCoreFormats().getFormats(flags);
892		Formats::const_iterator it = formats.begin();
893		if (it != formats.end())
894		{
895			const ImageFormat format = *it;
896			Attachment* att = makeAttachment(m_params.depthKind, format, 64, 64, builder);
897			builder.glAttach(GL_DEPTH_ATTACHMENT, att);
898			builder.glAttach(GL_STENCIL_ATTACHMENT, att);
899			return;
900		}
901	}
902	// Either the kinds were separate, or a suitable format was not found.
903	// Create separate images.
904	attachTargetToNew(GL_STENCIL_ATTACHMENT, m_params.stencilKind, ImageFormat::none(),
905					  64, 64, builder);
906	attachTargetToNew(GL_DEPTH_ATTACHMENT, m_params.depthKind, ImageFormat::none(),
907					  64, 64, builder);
908}
909
910IterateResult AttachmentTest::build (FboBuilder& builder)
911{
912	attachTargetToNew(GL_COLOR_ATTACHMENT0, m_params.color0Kind, ImageFormat::none(),
913					  64, 64, builder);
914
915	if (m_params.colornKind != GL_NONE)
916	{
917		TCU_CHECK_AND_THROW(NotSupportedError, m_ctx.haveMultiColorAtts(),
918							"Multiple attachments not supported");
919		GLint maxAttachments = 1;
920		gl(*this).getIntegerv(GL_MAX_COLOR_ATTACHMENTS, &maxAttachments);
921		GLU_EXPECT_NO_ERROR(
922			gl(*this).getError(), "Couldn't read GL_MAX_COLOR_ATTACHMENTS");
923
924		for (int i = 1; i < maxAttachments; i++)
925		{
926			attachTargetToNew(GL_COLOR_ATTACHMENT0 + i, m_params.colornKind,
927							  ImageFormat::none(), 64, 64, builder);
928		}
929	}
930
931	makeDepthAndStencil(builder);
932
933	return STOP;
934}
935
936class EmptyImageTest : public TestBase
937{
938public:
939					EmptyImageTest	(Context& group,
940									 const char* name, const char* desc)
941						: TestBase	(group, name, desc) {}
942
943	IterateResult	build			(FboBuilder& builder);
944};
945
946IterateResult EmptyImageTest::build (FboBuilder& builder)
947{
948	attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
949					  0, 0, builder);
950	return STOP;
951}
952
953
954class DistinctSizeTest : public TestBase
955{
956public:
957					DistinctSizeTest	(Context& group,
958										 const char* name, const char* desc)
959						: TestBase		(group, name, desc) {}
960
961	IterateResult	build				(FboBuilder& builder);
962};
963
964IterateResult DistinctSizeTest::build (FboBuilder& builder)
965{
966	attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
967					  64, 64, builder);
968	attachTargetToNew(GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, ImageFormat::none(),
969					  128, 128, builder);
970	return STOP;
971}
972
973TestCaseGroup* Context::createRenderableTests (void)
974{
975	TestCaseGroup* const renderableTests = new TestCaseGroup(
976		m_testCtx, "renderable", "Tests for support of renderable image formats");
977
978	TestCaseGroup* const rbRenderableTests = new TestCaseGroup(
979		m_testCtx, "renderbuffer", "Tests for renderbuffer formats");
980
981	TestCaseGroup* const texRenderableTests = new TestCaseGroup(
982		m_testCtx, "texture", "Tests for texture formats");
983
984	static const struct AttPoint {
985		GLenum			attPoint;
986		const char*		name;
987		const char*		desc;
988	} attPoints[] =
989	{
990		{ GL_COLOR_ATTACHMENT0,		"color0",	"Tests for color attachments"	},
991		{ GL_STENCIL_ATTACHMENT,	"stencil",	"Tests for stencil attachments" },
992		{ GL_DEPTH_ATTACHMENT,		"depth",	"Tests for depth attachments"	},
993	};
994
995	// At each attachment point, iterate through all the possible formats to
996	// detect both false positives and false negatives.
997	const Formats rboFmts = m_allFormats.getFormats(ANY_FORMAT);
998	const Formats texFmts = m_allFormats.getFormats(ANY_FORMAT);
999
1000	for (const AttPoint* it = DE_ARRAY_BEGIN(attPoints); it != DE_ARRAY_END(attPoints); it++)
1001	{
1002		TestCaseGroup* const rbAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
1003		TestCaseGroup* const texAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
1004
1005		for (Formats::const_iterator it2 = rboFmts.begin(); it2 != rboFmts.end(); it2++)
1006		{
1007			const RenderableParams params = { it->attPoint, GL_RENDERBUFFER, *it2 };
1008			rbAttTests->addChild(new RenderableTest(*this, params));
1009		}
1010		rbRenderableTests->addChild(rbAttTests);
1011
1012		for (Formats::const_iterator it2 = texFmts.begin(); it2 != texFmts.end(); it2++)
1013		{
1014			const RenderableParams params = { it->attPoint, GL_TEXTURE, *it2 };
1015			texAttTests->addChild(new RenderableTest(*this, params));
1016		}
1017		texRenderableTests->addChild(texAttTests);
1018	}
1019	renderableTests->addChild(rbRenderableTests);
1020	renderableTests->addChild(texRenderableTests);
1021
1022	return renderableTests;
1023}
1024
1025TestCaseGroup* Context::createAttachmentTests (void)
1026{
1027	TestCaseGroup* const attCombTests = new TestCaseGroup(
1028		m_testCtx, "attachment_combinations", "Tests for attachment combinations");
1029
1030	static const GLenum s_bufTypes[] = { GL_NONE, GL_RENDERBUFFER, GL_TEXTURE };
1031	static const Range<GLenum> s_kinds = GLS_ARRAY_RANGE(s_bufTypes);
1032
1033	for (const GLenum* col0 = s_kinds.begin(); col0 != s_kinds.end(); ++col0)
1034		for (const GLenum* coln = s_kinds.begin(); coln != s_kinds.end(); ++coln)
1035			for (const GLenum* dep = s_kinds.begin(); dep != s_kinds.end(); ++dep)
1036				for (const GLenum* stc = s_kinds.begin(); stc != s_kinds.end(); ++stc)
1037				{
1038					AttachmentParams params = { *col0, *coln, *dep, *stc };
1039					attCombTests->addChild(new AttachmentTest(*this, params));
1040				}
1041
1042	return attCombTests;
1043}
1044
1045TestCaseGroup* Context::createSizeTests (void)
1046{
1047	TestCaseGroup* const sizeTests = new TestCaseGroup(
1048		m_testCtx, "size", "Tests for attachment sizes");
1049	sizeTests->addChild(new EmptyImageTest(
1050							*this, "zero",
1051							"Test for zero-sized image attachment"));
1052	sizeTests->addChild(new DistinctSizeTest(
1053							*this, "distinct",
1054							"Test for attachments with different sizes"));
1055
1056	return sizeTests;
1057}
1058
1059} // details
1060
1061} // fboc
1062} // gls
1063} // deqp
1064