glsFboCompletenessTests.cpp revision 6f779ff7581b3e5151d7180951b3f7cc8329ce77
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::getTextureFormatName;
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 GL_OES_depth_texture",
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	{
293		"GL_EXT_sRGB",
294		COLOR_RENDERABLE | TEXTURE_VALID,
295		GLS_ARRAY_RANGE(s_extSrgbRenderableTexFormats)
296	},
297	{
298		"GL_EXT_sRGB",
299		TEXTURE_VALID,
300		GLS_ARRAY_RANGE(s_extSrgbNonRenderableTexFormats)
301	},
302	{
303		"GL_EXT_sRGB",
304		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
305		GLS_ARRAY_RANGE(s_extSrgbRboFormats)
306	},
307	{
308		"GL_NV_sRGB_formats",
309		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
310		GLS_ARRAY_RANGE(s_nvSrgbFormatsRboFormats)
311	},
312	{
313		"GL_NV_sRGB_formats",
314		REQUIRED_RENDERABLE | COLOR_RENDERABLE | TEXTURE_VALID,
315		GLS_ARRAY_RANGE(s_nvSrgbFormatsTextureFormats)
316	},
317
318	 // In Khronos bug 7333 discussion, the consensus is that these texture
319	 // formats, at least, should be color-renderable. Still, that cannot be
320	 // found in any extension specs, so only allow it, not require it.
321	{
322		"GL_OES_rgb8_rgba8",
323		COLOR_RENDERABLE | TEXTURE_VALID,
324		GLS_ARRAY_RANGE(s_oesRgb8Rgba8TexFormats)
325	},
326	{
327		"GL_OES_rgb8_rgba8",
328		REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID,
329		GLS_ARRAY_RANGE(s_oesRgb8Rgba8RboFormats)
330	},
331	{
332		"GL_OES_rgb8_rgba8 GL_OES_required_internalformat",
333		TEXTURE_VALID,
334		GLS_ARRAY_RANGE(s_oesRequiredInternalFormatRgb8ColorFormat)
335	},
336
337	// The depth-renderability of the depth RBO formats is not explicitly
338	// spelled out, but all renderbuffer formats are meant to be renderable.
339	{
340		"GL_OES_depth24",
341		REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
342		GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
343	},
344	{
345		"GL_OES_depth24 GL_OES_required_internalformat GL_OES_depth_texture",
346		TEXTURE_VALID,
347		GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
348	},
349
350	{
351		"GL_OES_depth32",
352		REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID,
353		GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
354	},
355	{
356		"GL_OES_depth32 GL_OES_required_internalformat GL_OES_depth_texture",
357		TEXTURE_VALID,
358		GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
359	},
360
361	{
362		"GL_EXT_texture_type_2_10_10_10_REV",
363		TEXTURE_VALID, // explicitly unrenderable
364		GLS_ARRAY_RANGE(s_extTextureType2101010RevFormats)
365	},
366	{
367		"GL_EXT_texture_type_2_10_10_10_REV GL_OES_required_internalformat",
368		TEXTURE_VALID, // explicitly unrenderable
369		GLS_ARRAY_RANGE(s_oesRequiredInternalFormat10bitColorFormats)
370	},
371
372	{
373		"GL_EXT_texture_sRGB_R8",
374		TEXTURE_VALID,
375		GLS_ARRAY_RANGE(s_extTextureSRGBR8Formats)
376	},
377	{
378		"GL_EXT_texture_sRGB_RG8",
379		TEXTURE_VALID,
380		GLS_ARRAY_RANGE(s_extTextureSRGBRG8Formats)
381	},
382};
383
384Context::Context (TestContext& testCtx,
385				  RenderContext& renderCtx,
386				  CheckerFactory& factory)
387	: m_testCtx				(testCtx)
388	, m_renderCtx			(renderCtx)
389	, m_verifier			(m_ctxFormats, factory, renderCtx)
390	, m_haveMultiColorAtts	(false)
391{
392	FormatExtEntries extRange = GLS_ARRAY_RANGE(s_esExtFormats);
393	addExtFormats(extRange);
394}
395
396void Context::addFormats (FormatEntries fmtRange)
397{
398	FboUtil::addFormats(m_coreFormats, fmtRange);
399	FboUtil::addFormats(m_ctxFormats, fmtRange);
400	FboUtil::addFormats(m_allFormats, fmtRange);
401}
402
403void Context::addExtFormats (FormatExtEntries extRange)
404{
405	FboUtil::addExtFormats(m_ctxFormats, extRange, &m_renderCtx);
406	FboUtil::addExtFormats(m_allFormats, extRange, DE_NULL);
407}
408
409void TestBase::pass (void)
410{
411	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
412}
413
414void TestBase::qualityWarning (const char* msg)
415{
416	m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, msg);
417}
418
419void TestBase::fail (const char* msg)
420{
421	m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, msg);
422}
423
424const glw::Functions& gl (const TestBase& test)
425{
426	return test.getContext().getRenderContext().getFunctions();
427}
428
429static bool isFormatFeatureSupported (const FormatDB& db, const ImageFormat& format, FormatFlags feature)
430{
431	return db.isKnownFormat(format) && ((db.getFormatInfo(format) & feature) == feature);
432}
433
434static void logAffectingExtensions (const char* prefix, const FormatDB& db, const ImageFormat& format, FormatFlags feature, tcu::MessageBuilder& msg)
435{
436	const std::set<std::set<std::string> > rows = db.getFormatFeatureExtensions(format, feature);
437
438	for (std::set<std::set<std::string> >::const_iterator rowIt = rows.begin(); rowIt != rows.end(); ++rowIt)
439	{
440		const std::set<std::string>&			requiredExtensions	= *rowIt;
441		std::set<std::string>::const_iterator	it					= requiredExtensions.begin();
442		std::string								extName;
443
444		msg << prefix;
445
446		extName = *it++;
447		while (it != requiredExtensions.end())
448		{
449			msg << getExtensionDescription(extName);
450			extName = *it++;
451			msg << (it == requiredExtensions.end() ? " and " : ", ");
452		}
453
454		msg << getExtensionDescription(extName) << '\n';
455	}
456}
457
458static void logFormatInfo (const config::Framebuffer& fbo, const FormatDB& ctxFormats, const FormatDB& coreFormats, const FormatDB& allFormats, tcu::TestLog& log)
459{
460	static const struct
461	{
462		const char*			name;
463		const FormatFlags	flag;
464	} s_renderability[] =
465	{
466		{ "color-renderable",	COLOR_RENDERABLE	},
467		{ "depth-renderable",	DEPTH_RENDERABLE	},
468		{ "stencil-renderable",	STENCIL_RENDERABLE	},
469	};
470
471	std::set<ImageFormat> formats;
472
473	for (config::TextureMap::const_iterator it = fbo.textures.begin(); it != fbo.textures.end(); ++it)
474		formats.insert(it->second->internalFormat);
475	for (config::RboMap::const_iterator it = fbo.rbos.begin(); it != fbo.rbos.end(); ++it)
476		formats.insert(it->second->internalFormat);
477
478	if (!formats.empty())
479	{
480		const tcu::ScopedLogSection supersection(log, "Format", "Format info");
481
482		for (std::set<ImageFormat>::const_iterator it = formats.begin(); it != formats.end(); ++it)
483		{
484			const tcu::ScopedLogSection section(log, "FormatInfo", de::toString(*it));
485
486			// texture validity
487			if (isFormatFeatureSupported(ctxFormats, *it, TEXTURE_VALID))
488			{
489				tcu::MessageBuilder msg(&log);
490				msg << "* Valid texture format\n";
491
492				if (isFormatFeatureSupported(coreFormats, *it, TEXTURE_VALID))
493					msg << "\t* core feature";
494				else
495				{
496					msg << "\t* defined in supported extension(s):\n";
497					logAffectingExtensions("\t\t- ", ctxFormats, *it, TEXTURE_VALID, msg);
498				}
499
500				msg << tcu::TestLog::EndMessage;
501			}
502			else
503			{
504				tcu::MessageBuilder msg(&log);
505				msg << "* Unsupported texture format\n";
506
507				if (isFormatFeatureSupported(allFormats, *it, TEXTURE_VALID))
508				{
509					msg << "\t* requires any of the extensions or combinations:\n";
510					logAffectingExtensions("\t\t- ", allFormats, *it, TEXTURE_VALID, msg);
511				}
512				else
513					msg << "\t* no extension can make this format valid";
514
515				msg << tcu::TestLog::EndMessage;
516			}
517
518			// RBO validity
519			if (isFormatFeatureSupported(ctxFormats, *it, RENDERBUFFER_VALID))
520			{
521				tcu::MessageBuilder msg(&log);
522				msg << "* Valid renderbuffer format\n";
523
524				if (isFormatFeatureSupported(coreFormats, *it, RENDERBUFFER_VALID))
525					msg << "\t* core feature";
526				else
527				{
528					msg << "\t* defined in supported extension(s):\n";
529					logAffectingExtensions("\t\t- ", ctxFormats, *it, RENDERBUFFER_VALID, msg);
530				}
531
532				msg << tcu::TestLog::EndMessage;
533			}
534			else
535			{
536				tcu::MessageBuilder msg(&log);
537				msg << "* Unsupported renderbuffer format\n";
538
539				if (isFormatFeatureSupported(allFormats, *it, RENDERBUFFER_VALID))
540				{
541					msg << "\t* requires any of the extensions or combinations:\n";
542					logAffectingExtensions("\t\t- ", allFormats, *it, RENDERBUFFER_VALID, msg);
543				}
544				else
545					msg << "\t* no extension can make this format valid";
546
547				msg << tcu::TestLog::EndMessage;
548			}
549
550			// renderability
551			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_renderability); ++ndx)
552			{
553				if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
554				{
555					tcu::MessageBuilder msg(&log);
556					msg << "* Format is " << s_renderability[ndx].name << "\n";
557
558					if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
559						msg << "\t* core feature";
560					else
561					{
562						msg << "\t* defined in supported extension(s):\n";
563						logAffectingExtensions("\t\t- ", ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
564					}
565
566					msg << tcu::TestLog::EndMessage;
567				}
568				else if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag))
569				{
570					tcu::MessageBuilder msg(&log);
571					msg << "* Format is allowed to be " << s_renderability[ndx].name << " but not required\n";
572
573					if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag))
574						msg << "\t* core feature";
575					else if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
576					{
577						msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
578						logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
579					}
580					else
581						msg << "\t* no extension can make this format " << s_renderability[ndx].name;
582
583					msg << tcu::TestLog::EndMessage;
584				}
585				else
586				{
587					tcu::MessageBuilder msg(&log);
588					msg << "* Format is NOT " << s_renderability[ndx].name << "\n";
589
590					if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
591					{
592						if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
593						{
594							msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
595							logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
596						}
597						else
598						{
599							msg << "\t* extensions that are allowed to make format " << s_renderability[ndx].name << ":\n";
600							logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
601						}
602					}
603					else
604						msg << "\t* no extension can make this format " << s_renderability[ndx].name;
605
606					msg << tcu::TestLog::EndMessage;
607				}
608			}
609		}
610	}
611}
612
613IterateResult TestBase::iterate (void)
614{
615	glu::Framebuffer		fbo			(m_ctx.getRenderContext());
616	FboBuilder				builder		(*fbo, GL_FRAMEBUFFER, gl(*this));
617	const IterateResult		ret			= build(builder);
618	const ValidStatusCodes	reference	= m_ctx.getVerifier().validStatusCodes(builder);
619	const GLenum			errorCode	= builder.getError();
620
621	logFramebufferConfig(builder, m_testCtx.getLog());
622	logFormatInfo(builder, m_ctx.getCtxFormats(), m_ctx.getCoreFormats(), m_ctx.getAllFormats(), m_testCtx.getLog());
623	reference.logRules(m_testCtx.getLog());
624	reference.logLegalResults(m_testCtx.getLog());
625
626	// \todo [2013-12-04 lauri] Check if drawing operations succeed.
627
628	if (errorCode != GL_NO_ERROR)
629	{
630		m_testCtx.getLog()
631			<< TestLog::Message
632			<< "Received " << glu::getErrorStr(errorCode) << " (during FBO initialization)."
633			<< TestLog::EndMessage;
634
635		if (reference.isErrorCodeValid(errorCode))
636			pass();
637		else if (reference.isErrorCodeRequired(GL_NO_ERROR))
638			fail(("Expected no error but got " + de::toString(glu::getErrorStr(errorCode))).c_str());
639		else
640			fail("Got wrong error code");
641	}
642	else
643	{
644		const GLenum	fboStatus	= gl(*this).checkFramebufferStatus(GL_FRAMEBUFFER);
645		const bool		validStatus	= reference.isFBOStatusValid(fboStatus);
646
647		m_testCtx.getLog()
648			<< TestLog::Message
649			<< "Received " << glu::getFramebufferStatusStr(fboStatus) << "."
650			<< TestLog::EndMessage;
651
652		if (!validStatus)
653		{
654			if (fboStatus == GL_FRAMEBUFFER_COMPLETE)
655				fail("Framebuffer checked as complete, expected incomplete");
656			else if (reference.isFBOStatusRequired(GL_FRAMEBUFFER_COMPLETE))
657				fail("Framebuffer checked is incomplete, expected complete");
658			else
659				// An incomplete status is allowed, but not _this_ incomplete status.
660				fail("Framebuffer checked as incomplete, but with wrong status");
661		}
662		else if (fboStatus != GL_FRAMEBUFFER_COMPLETE && reference.isFBOStatusValid(GL_FRAMEBUFFER_COMPLETE))
663			qualityWarning("Framebuffer object could have checked as complete but did not.");
664		else
665			pass();
666	}
667
668	return ret;
669}
670
671IterateResult TestBase::build (FboBuilder& builder)
672{
673	DE_UNREF(builder);
674	return STOP;
675}
676
677ImageFormat TestBase::getDefaultFormat (GLenum attPoint, GLenum bufType) const
678{
679	if (bufType == GL_NONE)
680	{
681		return ImageFormat::none();
682	}
683
684	// Prefer a standard format, if there is one, but if not, use a format
685	// provided by an extension.
686	Formats formats = m_ctx.getCoreFormats().getFormats(formatFlag(attPoint) |
687														 formatFlag(bufType));
688	Formats::const_iterator it = formats.begin();
689	if (it == formats.end())
690	{
691		formats = m_ctx.getCtxFormats().getFormats(formatFlag(attPoint) |
692													 formatFlag(bufType));
693		it = formats.begin();
694	}
695	if (it == formats.end())
696		throw tcu::NotSupportedError("Unsupported attachment kind for attachment point",
697									 "", __FILE__, __LINE__);
698	return *it;
699};
700
701Image* makeImage (GLenum bufType, ImageFormat format,
702				  GLsizei width, GLsizei height, FboBuilder& builder)
703{
704	Image* image = DE_NULL;
705	switch (bufType)
706	{
707		case GL_NONE:
708			return DE_NULL;
709		case GL_RENDERBUFFER:
710			image = &builder.makeConfig<Renderbuffer>();
711			break;
712		case GL_TEXTURE:
713			image = &builder.makeConfig<Texture2D>();
714			break;
715		default:
716			DE_FATAL("Impossible case");
717	}
718	image->internalFormat = format;
719	image->width = width;
720	image->height = height;
721	return image;
722}
723
724Attachment* makeAttachment (GLenum bufType, ImageFormat format,
725							GLsizei width, GLsizei height, FboBuilder& builder)
726{
727	Image* const imgCfg = makeImage (bufType, format, width, height, builder);
728	Attachment* att = DE_NULL;
729	GLuint img = 0;
730
731	if (Renderbuffer* rboCfg = dynamic_cast<Renderbuffer*>(imgCfg))
732	{
733		img = builder.glCreateRbo(*rboCfg);
734		att = &builder.makeConfig<RenderbufferAttachment>();
735	}
736	else if (Texture2D* texCfg = dynamic_cast<Texture2D*>(imgCfg))
737	{
738		img = builder.glCreateTexture(*texCfg);
739		TextureFlatAttachment& texAtt = builder.makeConfig<TextureFlatAttachment>();
740		texAtt.texTarget = GL_TEXTURE_2D;
741		att = &texAtt;
742	}
743	else
744	{
745		DE_ASSERT(imgCfg == DE_NULL);
746		return DE_NULL;
747	}
748	att->imageName = img;
749	return att;
750}
751
752void TestBase::attachTargetToNew (GLenum target, GLenum bufType, ImageFormat format,
753								  GLsizei width, GLsizei height, FboBuilder& builder)
754{
755	ImageFormat imgFmt = format;
756	if (imgFmt.format == GL_NONE)
757		imgFmt = getDefaultFormat(target, bufType);
758
759	const Attachment* const att = makeAttachment(bufType, imgFmt, width, height, builder);
760	builder.glAttach(target, att);
761}
762
763static string formatName (ImageFormat format)
764{
765	const string s = getTextureFormatName(format.format);
766	const string fmtStr = toLower(s.substr(3));
767
768	if (format.unsizedType != GL_NONE)
769	{
770		const string typeStr = getTypeName(format.unsizedType);
771		return fmtStr + "_" + toLower(typeStr.substr(3));
772	}
773
774	return fmtStr;
775}
776
777static string formatDesc (ImageFormat format)
778{
779	const string fmtStr = getTextureFormatName(format.format);
780
781	if (format.unsizedType != GL_NONE)
782	{
783		const string typeStr = getTypeName(format.unsizedType);
784		return fmtStr + " with type " + typeStr;
785	}
786
787	return fmtStr;
788}
789
790struct RenderableParams
791{
792	GLenum				attPoint;
793	GLenum				bufType;
794	ImageFormat			format;
795	static string		getName				(const RenderableParams& params)
796	{
797		return formatName(params.format);
798	}
799	static string		getDescription		(const RenderableParams& params)
800	{
801		return formatDesc(params.format);
802	}
803};
804
805class RenderableTest : public ParamTest<RenderableParams>
806{
807public:
808					RenderableTest		(Context& group, const Params& params)
809						: ParamTest<RenderableParams> (group, params) {}
810	IterateResult	build				(FboBuilder& builder);
811};
812
813IterateResult RenderableTest::build (FboBuilder& builder)
814{
815	attachTargetToNew(m_params.attPoint, m_params.bufType, m_params.format, 64, 64, builder);
816	return STOP;
817}
818
819string attTypeName (GLenum bufType)
820{
821	switch (bufType)
822	{
823		case GL_NONE:
824			return "none";
825		case GL_RENDERBUFFER:
826			return "rbo";
827		case GL_TEXTURE:
828			return "tex";
829		default:
830			DE_FATAL("Impossible case");
831	}
832	return ""; // Shut up compiler
833}
834
835struct AttachmentParams
836{
837	GLenum						color0Kind;
838	GLenum						colornKind;
839	GLenum						depthKind;
840	GLenum						stencilKind;
841
842	static string		getName			(const AttachmentParams& params);
843	static string		getDescription	(const AttachmentParams& params)
844	{
845		return getName(params);
846	}
847};
848
849string AttachmentParams::getName (const AttachmentParams& params)
850{
851	return (attTypeName(params.color0Kind) + "_" +
852			attTypeName(params.colornKind) + "_" +
853			attTypeName(params.depthKind) + "_" +
854			attTypeName(params.stencilKind));
855}
856
857//! Test for combinations of different kinds of attachments
858class AttachmentTest : public ParamTest<AttachmentParams>
859{
860public:
861					AttachmentTest		(Context& group, Params& params)
862						: ParamTest<AttachmentParams> (group, params) {}
863
864protected:
865	IterateResult	build				(FboBuilder& builder);
866	void			makeDepthAndStencil	(FboBuilder& builder);
867};
868
869
870void AttachmentTest::makeDepthAndStencil (FboBuilder& builder)
871{
872	if (m_params.stencilKind == m_params.depthKind)
873	{
874		// If there is a common stencil+depth -format, try to use a common
875		// image for both attachments.
876		const FormatFlags flags =
877			DEPTH_RENDERABLE | STENCIL_RENDERABLE | formatFlag(m_params.stencilKind);
878		const Formats& formats = m_ctx.getCoreFormats().getFormats(flags);
879		Formats::const_iterator it = formats.begin();
880		if (it != formats.end())
881		{
882			const ImageFormat format = *it;
883			Attachment* att = makeAttachment(m_params.depthKind, format, 64, 64, builder);
884			builder.glAttach(GL_DEPTH_ATTACHMENT, att);
885			builder.glAttach(GL_STENCIL_ATTACHMENT, att);
886			return;
887		}
888	}
889	// Either the kinds were separate, or a suitable format was not found.
890	// Create separate images.
891	attachTargetToNew(GL_STENCIL_ATTACHMENT, m_params.stencilKind, ImageFormat::none(),
892					  64, 64, builder);
893	attachTargetToNew(GL_DEPTH_ATTACHMENT, m_params.depthKind, ImageFormat::none(),
894					  64, 64, builder);
895}
896
897IterateResult AttachmentTest::build (FboBuilder& builder)
898{
899	attachTargetToNew(GL_COLOR_ATTACHMENT0, m_params.color0Kind, ImageFormat::none(),
900					  64, 64, builder);
901
902	if (m_params.colornKind != GL_NONE)
903	{
904		TCU_CHECK_AND_THROW(NotSupportedError, m_ctx.haveMultiColorAtts(),
905							"Multiple attachments not supported");
906		GLint maxAttachments = 1;
907		gl(*this).getIntegerv(GL_MAX_COLOR_ATTACHMENTS, &maxAttachments);
908		GLU_EXPECT_NO_ERROR(
909			gl(*this).getError(), "Couldn't read GL_MAX_COLOR_ATTACHMENTS");
910
911		for (int i = 1; i < maxAttachments; i++)
912		{
913			attachTargetToNew(GL_COLOR_ATTACHMENT0 + i, m_params.colornKind,
914							  ImageFormat::none(), 64, 64, builder);
915		}
916	}
917
918	makeDepthAndStencil(builder);
919
920	return STOP;
921}
922
923class EmptyImageTest : public TestBase
924{
925public:
926					EmptyImageTest	(Context& group,
927									 const char* name, const char* desc)
928						: TestBase	(group, name, desc) {}
929
930	IterateResult	build			(FboBuilder& builder);
931};
932
933IterateResult EmptyImageTest::build (FboBuilder& builder)
934{
935	attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
936					  0, 0, builder);
937	return STOP;
938}
939
940
941class DistinctSizeTest : public TestBase
942{
943public:
944					DistinctSizeTest	(Context& group,
945										 const char* name, const char* desc)
946						: TestBase		(group, name, desc) {}
947
948	IterateResult	build				(FboBuilder& builder);
949};
950
951IterateResult DistinctSizeTest::build (FboBuilder& builder)
952{
953	attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
954					  64, 64, builder);
955	attachTargetToNew(GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, ImageFormat::none(),
956					  128, 128, builder);
957	return STOP;
958}
959
960TestCaseGroup* Context::createRenderableTests (void)
961{
962	TestCaseGroup* const renderableTests = new TestCaseGroup(
963		m_testCtx, "renderable", "Tests for support of renderable image formats");
964
965	TestCaseGroup* const rbRenderableTests = new TestCaseGroup(
966		m_testCtx, "renderbuffer", "Tests for renderbuffer formats");
967
968	TestCaseGroup* const texRenderableTests = new TestCaseGroup(
969		m_testCtx, "texture", "Tests for texture formats");
970
971	static const struct AttPoint {
972		GLenum			attPoint;
973		const char*		name;
974		const char*		desc;
975	} attPoints[] =
976	{
977		{ GL_COLOR_ATTACHMENT0,		"color0",	"Tests for color attachments"	},
978		{ GL_STENCIL_ATTACHMENT,	"stencil",	"Tests for stencil attachments" },
979		{ GL_DEPTH_ATTACHMENT,		"depth",	"Tests for depth attachments"	},
980	};
981
982	// At each attachment point, iterate through all the possible formats to
983	// detect both false positives and false negatives.
984	const Formats rboFmts = m_allFormats.getFormats(ANY_FORMAT);
985	const Formats texFmts = m_allFormats.getFormats(ANY_FORMAT);
986
987	for (const AttPoint* it = DE_ARRAY_BEGIN(attPoints); it != DE_ARRAY_END(attPoints); it++)
988	{
989		TestCaseGroup* const rbAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
990		TestCaseGroup* const texAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
991
992		for (Formats::const_iterator it2 = rboFmts.begin(); it2 != rboFmts.end(); it2++)
993		{
994			const RenderableParams params = { it->attPoint, GL_RENDERBUFFER, *it2 };
995			rbAttTests->addChild(new RenderableTest(*this, params));
996		}
997		rbRenderableTests->addChild(rbAttTests);
998
999		for (Formats::const_iterator it2 = texFmts.begin(); it2 != texFmts.end(); it2++)
1000		{
1001			const RenderableParams params = { it->attPoint, GL_TEXTURE, *it2 };
1002			texAttTests->addChild(new RenderableTest(*this, params));
1003		}
1004		texRenderableTests->addChild(texAttTests);
1005	}
1006	renderableTests->addChild(rbRenderableTests);
1007	renderableTests->addChild(texRenderableTests);
1008
1009	return renderableTests;
1010}
1011
1012TestCaseGroup* Context::createAttachmentTests (void)
1013{
1014	TestCaseGroup* const attCombTests = new TestCaseGroup(
1015		m_testCtx, "attachment_combinations", "Tests for attachment combinations");
1016
1017	static const GLenum s_bufTypes[] = { GL_NONE, GL_RENDERBUFFER, GL_TEXTURE };
1018	static const Range<GLenum> s_kinds = GLS_ARRAY_RANGE(s_bufTypes);
1019
1020	for (const GLenum* col0 = s_kinds.begin(); col0 != s_kinds.end(); ++col0)
1021		for (const GLenum* coln = s_kinds.begin(); coln != s_kinds.end(); ++coln)
1022			for (const GLenum* dep = s_kinds.begin(); dep != s_kinds.end(); ++dep)
1023				for (const GLenum* stc = s_kinds.begin(); stc != s_kinds.end(); ++stc)
1024				{
1025					AttachmentParams params = { *col0, *coln, *dep, *stc };
1026					attCombTests->addChild(new AttachmentTest(*this, params));
1027				}
1028
1029	return attCombTests;
1030}
1031
1032TestCaseGroup* Context::createSizeTests (void)
1033{
1034	TestCaseGroup* const sizeTests = new TestCaseGroup(
1035		m_testCtx, "size", "Tests for attachment sizes");
1036	sizeTests->addChild(new EmptyImageTest(
1037							*this, "zero",
1038							"Test for zero-sized image attachment"));
1039	sizeTests->addChild(new DistinctSizeTest(
1040							*this, "distinct",
1041							"Test for attachments with different sizes"));
1042
1043	return sizeTests;
1044}
1045
1046} // details
1047
1048} // fboc
1049} // gls
1050} // deqp
1051