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		(deUint32)(REQUIRED_RENDERABLE | DEPTH_RENDERABLE | TEXTURE_VALID),
218		GLS_ARRAY_RANGE(s_oesDepthTextureFormats),
219	},
220	{
221		"GL_OES_packed_depth_stencil",
222		(deUint32)(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		(deUint32)TEXTURE_VALID,
228		GLS_ARRAY_RANGE(s_oesPackedDepthStencilSizedFormats)
229	},
230	{
231		"GL_OES_packed_depth_stencil GL_OES_depth_texture",
232		(deUint32)(DEPTH_RENDERABLE | STENCIL_RENDERABLE | TEXTURE_VALID),
233		GLS_ARRAY_RANGE(s_oesPackedDepthStencilTexFormats)
234	},
235	// The ANGLE extension incorporates GL_OES_depth_texture/GL_OES_packed_depth_stencil.
236	{
237		"GL_ANGLE_depth_texture",
238		(deUint32)(REQUIRED_RENDERABLE | DEPTH_RENDERABLE | TEXTURE_VALID),
239		GLS_ARRAY_RANGE(s_oesDepthTextureFormats),
240	},
241	// \todo [2013-12-10 lauri] Find out if OES_texture_half_float is really a
242	// requirement on ES3 also. Or is color_buffer_half_float applicatble at
243	// all on ES3, since there's also EXT_color_buffer_float?
244	{
245		"GL_OES_texture_half_float GL_EXT_color_buffer_half_float",
246		(deUint32)(REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID),
247		GLS_ARRAY_RANGE(s_extColorBufferHalfFloatFormats)
248	},
249
250	// OES_required_internalformat doesn't actually specify that these are renderable,
251	// since it was written against ES 1.1.
252	{
253		"GL_OES_required_internalformat",
254		 // Allow but don't require RGBA8 to be color-renderable if
255		 // OES_rgb8_rgba8 is not present.
256		(deUint32)(COLOR_RENDERABLE | TEXTURE_VALID),
257		GLS_ARRAY_RANGE(s_oesRequiredInternalFormatColorFormats)
258	},
259	{
260		"GL_OES_required_internalformat",
261		(deUint32)(DEPTH_RENDERABLE | TEXTURE_VALID),
262		GLS_ARRAY_RANGE(s_oesRequiredInternalFormatDepthFormats)
263	},
264	{
265		"GL_EXT_texture_rg",
266		(deUint32)(REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID),
267		GLS_ARRAY_RANGE(s_extTextureRgRboFormats)
268	},
269	// These are not specified to be color-renderable, but the wording is
270	// exactly as ambiguous as the wording in the ES2 spec.
271	{
272		"GL_EXT_texture_rg",
273		(deUint32)(COLOR_RENDERABLE | TEXTURE_VALID),
274		GLS_ARRAY_RANGE(s_extTextureRgTexFormats)
275	},
276	{
277		"GL_EXT_texture_rg GL_OES_texture_float",
278		(deUint32)(COLOR_RENDERABLE | TEXTURE_VALID),
279		GLS_ARRAY_RANGE(s_extTextureRgFloatTexFormats)
280	},
281	{
282		"GL_EXT_texture_rg GL_OES_texture_half_float",
283		(deUint32)(COLOR_RENDERABLE | TEXTURE_VALID),
284		GLS_ARRAY_RANGE(s_extTextureRgHalfFloatTexFormats)
285	},
286
287	{
288		"GL_NV_packed_float",
289		(deUint32)(COLOR_RENDERABLE | TEXTURE_VALID),
290		GLS_ARRAY_RANGE(s_nvPackedFloatTexFormats)
291	},
292	{
293		"GL_NV_packed_float GL_EXT_color_buffer_half_float",
294		(deUint32)(REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID),
295		GLS_ARRAY_RANGE(s_nvPackedFloatRboFormats)
296	},
297
298	{
299		"GL_EXT_sRGB",
300		(deUint32)(COLOR_RENDERABLE | TEXTURE_VALID),
301		GLS_ARRAY_RANGE(s_extSrgbRenderableTexFormats)
302	},
303	{
304		"GL_EXT_sRGB",
305		(deUint32)TEXTURE_VALID,
306		GLS_ARRAY_RANGE(s_extSrgbNonRenderableTexFormats)
307	},
308	{
309		"GL_EXT_sRGB",
310		(deUint32)(REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID),
311		GLS_ARRAY_RANGE(s_extSrgbRboFormats)
312	},
313	{
314		"GL_NV_sRGB_formats",
315		(deUint32)(REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID),
316		GLS_ARRAY_RANGE(s_nvSrgbFormatsRboFormats)
317	},
318	{
319		"GL_NV_sRGB_formats",
320		(deUint32)(REQUIRED_RENDERABLE | COLOR_RENDERABLE | TEXTURE_VALID),
321		GLS_ARRAY_RANGE(s_nvSrgbFormatsTextureFormats)
322	},
323
324	 // In Khronos bug 7333 discussion, the consensus is that these texture
325	 // formats, at least, should be color-renderable. Still, that cannot be
326	 // found in any extension specs, so only allow it, not require it.
327	{
328		"GL_OES_rgb8_rgba8",
329		(deUint32)(COLOR_RENDERABLE | TEXTURE_VALID),
330		GLS_ARRAY_RANGE(s_oesRgb8Rgba8TexFormats)
331	},
332	{
333		"GL_OES_rgb8_rgba8",
334		(deUint32)(REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID),
335		GLS_ARRAY_RANGE(s_oesRgb8Rgba8RboFormats)
336	},
337	{
338		"GL_OES_rgb8_rgba8 GL_OES_required_internalformat",
339		(deUint32)TEXTURE_VALID,
340		GLS_ARRAY_RANGE(s_oesRequiredInternalFormatRgb8ColorFormat)
341	},
342
343	// The depth-renderability of the depth RBO formats is not explicitly
344	// spelled out, but all renderbuffer formats are meant to be renderable.
345	{
346		"GL_OES_depth24",
347		(deUint32)(REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID),
348		GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
349	},
350	{
351		"GL_OES_depth24 GL_OES_required_internalformat GL_OES_depth_texture",
352		(deUint32)TEXTURE_VALID,
353		GLS_ARRAY_RANGE(s_oesDepth24SizedFormats)
354	},
355
356	{
357		"GL_OES_depth32",
358		(deUint32)(REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID),
359		GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
360	},
361	{
362		"GL_OES_depth32 GL_OES_required_internalformat GL_OES_depth_texture",
363		(deUint32)TEXTURE_VALID,
364		GLS_ARRAY_RANGE(s_oesDepth32SizedFormats)
365	},
366
367	{
368		"GL_EXT_texture_type_2_10_10_10_REV",
369		(deUint32)TEXTURE_VALID, // explicitly unrenderable
370		GLS_ARRAY_RANGE(s_extTextureType2101010RevFormats)
371	},
372	{
373		"GL_EXT_texture_type_2_10_10_10_REV GL_OES_required_internalformat",
374		(deUint32)TEXTURE_VALID, // explicitly unrenderable
375		GLS_ARRAY_RANGE(s_oesRequiredInternalFormat10bitColorFormats)
376	},
377
378	{
379		"GL_EXT_texture_sRGB_R8",
380		(deUint32)TEXTURE_VALID,
381		GLS_ARRAY_RANGE(s_extTextureSRGBR8Formats)
382	},
383	{
384		"GL_EXT_texture_sRGB_RG8",
385		(deUint32)TEXTURE_VALID,
386		GLS_ARRAY_RANGE(s_extTextureSRGBRG8Formats)
387	},
388};
389
390Context::Context (TestContext& testCtx,
391				  RenderContext& renderCtx,
392				  CheckerFactory& factory)
393	: m_testCtx				(testCtx)
394	, m_renderCtx			(renderCtx)
395	, m_verifier			(m_ctxFormats, factory, renderCtx)
396	, m_haveMultiColorAtts	(false)
397{
398	FormatExtEntries extRange = GLS_ARRAY_RANGE(s_esExtFormats);
399	addExtFormats(extRange);
400}
401
402void Context::addFormats (FormatEntries fmtRange)
403{
404	FboUtil::addFormats(m_coreFormats, fmtRange);
405	FboUtil::addFormats(m_ctxFormats, fmtRange);
406	FboUtil::addFormats(m_allFormats, fmtRange);
407}
408
409void Context::addExtFormats (FormatExtEntries extRange)
410{
411	FboUtil::addExtFormats(m_ctxFormats, extRange, &m_renderCtx);
412	FboUtil::addExtFormats(m_allFormats, extRange, DE_NULL);
413}
414
415void TestBase::pass (void)
416{
417	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
418}
419
420void TestBase::qualityWarning (const char* msg)
421{
422	m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, msg);
423}
424
425void TestBase::fail (const char* msg)
426{
427	m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, msg);
428}
429
430const glw::Functions& gl (const TestBase& test)
431{
432	return test.getContext().getRenderContext().getFunctions();
433}
434
435static bool isFormatFeatureSupported (const FormatDB& db, const ImageFormat& format, FormatFlags feature)
436{
437	return db.isKnownFormat(format) && ((db.getFormatInfo(format) & feature) == feature);
438}
439
440static void logAffectingExtensions (const char* prefix, const FormatDB& db, const ImageFormat& format, FormatFlags feature, tcu::MessageBuilder& msg)
441{
442	const std::set<std::set<std::string> > rows = db.getFormatFeatureExtensions(format, feature);
443
444	for (std::set<std::set<std::string> >::const_iterator rowIt = rows.begin(); rowIt != rows.end(); ++rowIt)
445	{
446		const std::set<std::string>&			requiredExtensions	= *rowIt;
447		std::set<std::string>::const_iterator	it					= requiredExtensions.begin();
448		std::string								extName;
449
450		msg << prefix;
451
452		extName = *it++;
453		while (it != requiredExtensions.end())
454		{
455			msg << getExtensionDescription(extName);
456			extName = *it++;
457			msg << (it == requiredExtensions.end() ? " and " : ", ");
458		}
459
460		msg << getExtensionDescription(extName) << '\n';
461	}
462}
463
464static void logFormatInfo (const config::Framebuffer& fbo, const FormatDB& ctxFormats, const FormatDB& coreFormats, const FormatDB& allFormats, tcu::TestLog& log)
465{
466	static const struct
467	{
468		const char*			name;
469		const FormatFlags	flag;
470	} s_renderability[] =
471	{
472		{ "color-renderable",	COLOR_RENDERABLE	},
473		{ "depth-renderable",	DEPTH_RENDERABLE	},
474		{ "stencil-renderable",	STENCIL_RENDERABLE	},
475	};
476
477	std::set<ImageFormat> formats;
478
479	for (config::TextureMap::const_iterator it = fbo.textures.begin(); it != fbo.textures.end(); ++it)
480		formats.insert(it->second->internalFormat);
481	for (config::RboMap::const_iterator it = fbo.rbos.begin(); it != fbo.rbos.end(); ++it)
482		formats.insert(it->second->internalFormat);
483
484	if (!formats.empty())
485	{
486		const tcu::ScopedLogSection supersection(log, "Format", "Format info");
487
488		for (std::set<ImageFormat>::const_iterator it = formats.begin(); it != formats.end(); ++it)
489		{
490			const tcu::ScopedLogSection section(log, "FormatInfo", de::toString(*it));
491
492			// texture validity
493			if (isFormatFeatureSupported(ctxFormats, *it, TEXTURE_VALID))
494			{
495				tcu::MessageBuilder msg(&log);
496				msg << "* Valid texture format\n";
497
498				if (isFormatFeatureSupported(coreFormats, *it, TEXTURE_VALID))
499					msg << "\t* core feature";
500				else
501				{
502					msg << "\t* defined in supported extension(s):\n";
503					logAffectingExtensions("\t\t- ", ctxFormats, *it, TEXTURE_VALID, msg);
504				}
505
506				msg << tcu::TestLog::EndMessage;
507			}
508			else
509			{
510				tcu::MessageBuilder msg(&log);
511				msg << "* Unsupported texture format\n";
512
513				if (isFormatFeatureSupported(allFormats, *it, TEXTURE_VALID))
514				{
515					msg << "\t* requires any of the extensions or combinations:\n";
516					logAffectingExtensions("\t\t- ", allFormats, *it, TEXTURE_VALID, msg);
517				}
518				else
519					msg << "\t* no extension can make this format valid";
520
521				msg << tcu::TestLog::EndMessage;
522			}
523
524			// RBO validity
525			if (isFormatFeatureSupported(ctxFormats, *it, RENDERBUFFER_VALID))
526			{
527				tcu::MessageBuilder msg(&log);
528				msg << "* Valid renderbuffer format\n";
529
530				if (isFormatFeatureSupported(coreFormats, *it, RENDERBUFFER_VALID))
531					msg << "\t* core feature";
532				else
533				{
534					msg << "\t* defined in supported extension(s):\n";
535					logAffectingExtensions("\t\t- ", ctxFormats, *it, RENDERBUFFER_VALID, msg);
536				}
537
538				msg << tcu::TestLog::EndMessage;
539			}
540			else
541			{
542				tcu::MessageBuilder msg(&log);
543				msg << "* Unsupported renderbuffer format\n";
544
545				if (isFormatFeatureSupported(allFormats, *it, RENDERBUFFER_VALID))
546				{
547					msg << "\t* requires any of the extensions or combinations:\n";
548					logAffectingExtensions("\t\t- ", allFormats, *it, RENDERBUFFER_VALID, msg);
549				}
550				else
551					msg << "\t* no extension can make this format valid";
552
553				msg << tcu::TestLog::EndMessage;
554			}
555
556			// renderability
557			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_renderability); ++ndx)
558			{
559				if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
560				{
561					tcu::MessageBuilder msg(&log);
562					msg << "* Format is " << s_renderability[ndx].name << "\n";
563
564					if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
565						msg << "\t* core feature";
566					else
567					{
568						msg << "\t* defined in supported extension(s):\n";
569						logAffectingExtensions("\t\t- ", ctxFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
570					}
571
572					msg << tcu::TestLog::EndMessage;
573				}
574				else if (isFormatFeatureSupported(ctxFormats, *it, s_renderability[ndx].flag))
575				{
576					tcu::MessageBuilder msg(&log);
577					msg << "* Format is allowed to be " << s_renderability[ndx].name << " but not required\n";
578
579					if (isFormatFeatureSupported(coreFormats, *it, s_renderability[ndx].flag))
580						msg << "\t* core feature";
581					else if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
582					{
583						msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
584						logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
585					}
586					else
587						msg << "\t* no extension can make this format " << s_renderability[ndx].name;
588
589					msg << tcu::TestLog::EndMessage;
590				}
591				else
592				{
593					tcu::MessageBuilder msg(&log);
594					msg << "* Format is NOT " << s_renderability[ndx].name << "\n";
595
596					if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag))
597					{
598						if (isFormatFeatureSupported(allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE))
599						{
600							msg << "\t* extensions that would make format " << s_renderability[ndx].name << ":\n";
601							logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag | REQUIRED_RENDERABLE, msg);
602						}
603						else
604						{
605							msg << "\t* extensions that are allowed to make format " << s_renderability[ndx].name << ":\n";
606							logAffectingExtensions("\t\t- ", allFormats, *it, s_renderability[ndx].flag, msg);
607						}
608					}
609					else
610						msg << "\t* no extension can make this format " << s_renderability[ndx].name;
611
612					msg << tcu::TestLog::EndMessage;
613				}
614			}
615		}
616	}
617}
618
619IterateResult TestBase::iterate (void)
620{
621	glu::Framebuffer		fbo			(m_ctx.getRenderContext());
622	FboBuilder				builder		(*fbo, GL_FRAMEBUFFER, gl(*this));
623	const IterateResult		ret			= build(builder);
624	const ValidStatusCodes	reference	= m_ctx.getVerifier().validStatusCodes(builder);
625	const GLenum			errorCode	= builder.getError();
626
627	logFramebufferConfig(builder, m_testCtx.getLog());
628	logFormatInfo(builder, m_ctx.getCtxFormats(), m_ctx.getCoreFormats(), m_ctx.getAllFormats(), m_testCtx.getLog());
629	reference.logRules(m_testCtx.getLog());
630	reference.logLegalResults(m_testCtx.getLog());
631
632	// \todo [2013-12-04 lauri] Check if drawing operations succeed.
633
634	if (errorCode != GL_NO_ERROR)
635	{
636		m_testCtx.getLog()
637			<< TestLog::Message
638			<< "Received " << glu::getErrorStr(errorCode) << " (during FBO initialization)."
639			<< TestLog::EndMessage;
640
641		if (reference.isErrorCodeValid(errorCode))
642			pass();
643		else if (reference.isErrorCodeRequired(GL_NO_ERROR))
644			fail(("Expected no error but got " + de::toString(glu::getErrorStr(errorCode))).c_str());
645		else
646			fail("Got wrong error code");
647	}
648	else
649	{
650		const GLenum	fboStatus	= gl(*this).checkFramebufferStatus(GL_FRAMEBUFFER);
651		const bool		validStatus	= reference.isFBOStatusValid(fboStatus);
652
653		m_testCtx.getLog()
654			<< TestLog::Message
655			<< "Received " << glu::getFramebufferStatusStr(fboStatus) << "."
656			<< TestLog::EndMessage;
657
658		if (!validStatus)
659		{
660			if (fboStatus == GL_FRAMEBUFFER_COMPLETE)
661				fail("Framebuffer checked as complete, expected incomplete");
662			else if (reference.isFBOStatusRequired(GL_FRAMEBUFFER_COMPLETE))
663				fail("Framebuffer checked is incomplete, expected complete");
664			else
665				// An incomplete status is allowed, but not _this_ incomplete status.
666				fail("Framebuffer checked as incomplete, but with wrong status");
667		}
668		else if (fboStatus != GL_FRAMEBUFFER_COMPLETE && reference.isFBOStatusValid(GL_FRAMEBUFFER_COMPLETE))
669			qualityWarning("Framebuffer object could have checked as complete but did not.");
670		else
671			pass();
672	}
673
674	return ret;
675}
676
677IterateResult TestBase::build (FboBuilder& builder)
678{
679	DE_UNREF(builder);
680	return STOP;
681}
682
683ImageFormat TestBase::getDefaultFormat (GLenum attPoint, GLenum bufType) const
684{
685	if (bufType == GL_NONE)
686	{
687		return ImageFormat::none();
688	}
689
690	// Prefer a standard format, if there is one, but if not, use a format
691	// provided by an extension.
692	Formats formats = m_ctx.getCoreFormats().getFormats(formatFlag(attPoint) |
693														 formatFlag(bufType));
694	Formats::const_iterator it = formats.begin();
695	if (it == formats.end())
696	{
697		formats = m_ctx.getCtxFormats().getFormats(formatFlag(attPoint) |
698													 formatFlag(bufType));
699		it = formats.begin();
700	}
701	if (it == formats.end())
702		throw tcu::NotSupportedError("Unsupported attachment kind for attachment point",
703									 "", __FILE__, __LINE__);
704	return *it;
705};
706
707Image* makeImage (GLenum bufType, ImageFormat format,
708				  GLsizei width, GLsizei height, FboBuilder& builder)
709{
710	Image* image = DE_NULL;
711	switch (bufType)
712	{
713		case GL_NONE:
714			return DE_NULL;
715		case GL_RENDERBUFFER:
716			image = &builder.makeConfig<Renderbuffer>();
717			break;
718		case GL_TEXTURE:
719			image = &builder.makeConfig<Texture2D>();
720			break;
721		default:
722			DE_FATAL("Impossible case");
723	}
724	image->internalFormat = format;
725	image->width = width;
726	image->height = height;
727	return image;
728}
729
730Attachment* makeAttachment (GLenum bufType, ImageFormat format,
731							GLsizei width, GLsizei height, FboBuilder& builder)
732{
733	Image* const imgCfg = makeImage (bufType, format, width, height, builder);
734	Attachment* att = DE_NULL;
735	GLuint img = 0;
736
737	if (Renderbuffer* rboCfg = dynamic_cast<Renderbuffer*>(imgCfg))
738	{
739		img = builder.glCreateRbo(*rboCfg);
740		att = &builder.makeConfig<RenderbufferAttachment>();
741	}
742	else if (Texture2D* texCfg = dynamic_cast<Texture2D*>(imgCfg))
743	{
744		img = builder.glCreateTexture(*texCfg);
745		TextureFlatAttachment& texAtt = builder.makeConfig<TextureFlatAttachment>();
746		texAtt.texTarget = GL_TEXTURE_2D;
747		att = &texAtt;
748	}
749	else
750	{
751		DE_ASSERT(imgCfg == DE_NULL);
752		return DE_NULL;
753	}
754	att->imageName = img;
755	return att;
756}
757
758void TestBase::attachTargetToNew (GLenum target, GLenum bufType, ImageFormat format,
759								  GLsizei width, GLsizei height, FboBuilder& builder)
760{
761	ImageFormat imgFmt = format;
762	if (imgFmt.format == GL_NONE)
763		imgFmt = getDefaultFormat(target, bufType);
764
765	const Attachment* const att = makeAttachment(bufType, imgFmt, width, height, builder);
766	builder.glAttach(target, att);
767}
768
769static string formatName (ImageFormat format)
770{
771	const string s = getTextureFormatName(format.format);
772	const string fmtStr = toLower(s.substr(3));
773
774	if (format.unsizedType != GL_NONE)
775	{
776		const string typeStr = getTypeName(format.unsizedType);
777		return fmtStr + "_" + toLower(typeStr.substr(3));
778	}
779
780	return fmtStr;
781}
782
783static string formatDesc (ImageFormat format)
784{
785	const string fmtStr = getTextureFormatName(format.format);
786
787	if (format.unsizedType != GL_NONE)
788	{
789		const string typeStr = getTypeName(format.unsizedType);
790		return fmtStr + " with type " + typeStr;
791	}
792
793	return fmtStr;
794}
795
796struct RenderableParams
797{
798	GLenum				attPoint;
799	GLenum				bufType;
800	ImageFormat			format;
801	static string		getName				(const RenderableParams& params)
802	{
803		return formatName(params.format);
804	}
805	static string		getDescription		(const RenderableParams& params)
806	{
807		return formatDesc(params.format);
808	}
809};
810
811class RenderableTest : public ParamTest<RenderableParams>
812{
813public:
814					RenderableTest		(Context& group, const Params& params)
815						: ParamTest<RenderableParams> (group, params) {}
816	IterateResult	build				(FboBuilder& builder);
817};
818
819IterateResult RenderableTest::build (FboBuilder& builder)
820{
821	attachTargetToNew(m_params.attPoint, m_params.bufType, m_params.format, 64, 64, builder);
822	return STOP;
823}
824
825string attTypeName (GLenum bufType)
826{
827	switch (bufType)
828	{
829		case GL_NONE:
830			return "none";
831		case GL_RENDERBUFFER:
832			return "rbo";
833		case GL_TEXTURE:
834			return "tex";
835		default:
836			DE_FATAL("Impossible case");
837	}
838	return ""; // Shut up compiler
839}
840
841struct AttachmentParams
842{
843	GLenum						color0Kind;
844	GLenum						colornKind;
845	GLenum						depthKind;
846	GLenum						stencilKind;
847
848	static string		getName			(const AttachmentParams& params);
849	static string		getDescription	(const AttachmentParams& params)
850	{
851		return getName(params);
852	}
853};
854
855string AttachmentParams::getName (const AttachmentParams& params)
856{
857	return (attTypeName(params.color0Kind) + "_" +
858			attTypeName(params.colornKind) + "_" +
859			attTypeName(params.depthKind) + "_" +
860			attTypeName(params.stencilKind));
861}
862
863//! Test for combinations of different kinds of attachments
864class AttachmentTest : public ParamTest<AttachmentParams>
865{
866public:
867					AttachmentTest		(Context& group, Params& params)
868						: ParamTest<AttachmentParams> (group, params) {}
869
870protected:
871	IterateResult	build				(FboBuilder& builder);
872	void			makeDepthAndStencil	(FboBuilder& builder);
873};
874
875
876void AttachmentTest::makeDepthAndStencil (FboBuilder& builder)
877{
878	if (m_params.stencilKind == m_params.depthKind)
879	{
880		// If there is a common stencil+depth -format, try to use a common
881		// image for both attachments.
882		const FormatFlags flags =
883			DEPTH_RENDERABLE | STENCIL_RENDERABLE | formatFlag(m_params.stencilKind);
884		const Formats& formats = m_ctx.getCoreFormats().getFormats(flags);
885		Formats::const_iterator it = formats.begin();
886		if (it != formats.end())
887		{
888			const ImageFormat format = *it;
889			Attachment* att = makeAttachment(m_params.depthKind, format, 64, 64, builder);
890			builder.glAttach(GL_DEPTH_ATTACHMENT, att);
891			builder.glAttach(GL_STENCIL_ATTACHMENT, att);
892			return;
893		}
894	}
895	// Either the kinds were separate, or a suitable format was not found.
896	// Create separate images.
897	attachTargetToNew(GL_STENCIL_ATTACHMENT, m_params.stencilKind, ImageFormat::none(),
898					  64, 64, builder);
899	attachTargetToNew(GL_DEPTH_ATTACHMENT, m_params.depthKind, ImageFormat::none(),
900					  64, 64, builder);
901}
902
903IterateResult AttachmentTest::build (FboBuilder& builder)
904{
905	attachTargetToNew(GL_COLOR_ATTACHMENT0, m_params.color0Kind, ImageFormat::none(),
906					  64, 64, builder);
907
908	if (m_params.colornKind != GL_NONE)
909	{
910		TCU_CHECK_AND_THROW(NotSupportedError, m_ctx.haveMultiColorAtts(),
911							"Multiple attachments not supported");
912		GLint maxAttachments = 1;
913		gl(*this).getIntegerv(GL_MAX_COLOR_ATTACHMENTS, &maxAttachments);
914		GLU_EXPECT_NO_ERROR(
915			gl(*this).getError(), "Couldn't read GL_MAX_COLOR_ATTACHMENTS");
916
917		for (int i = 1; i < maxAttachments; i++)
918		{
919			attachTargetToNew(GL_COLOR_ATTACHMENT0 + i, m_params.colornKind,
920							  ImageFormat::none(), 64, 64, builder);
921		}
922	}
923
924	makeDepthAndStencil(builder);
925
926	return STOP;
927}
928
929class EmptyImageTest : public TestBase
930{
931public:
932					EmptyImageTest	(Context& group,
933									 const char* name, const char* desc)
934						: TestBase	(group, name, desc) {}
935
936	IterateResult	build			(FboBuilder& builder);
937};
938
939IterateResult EmptyImageTest::build (FboBuilder& builder)
940{
941	attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
942					  0, 0, builder);
943	return STOP;
944}
945
946
947class DistinctSizeTest : public TestBase
948{
949public:
950					DistinctSizeTest	(Context& group,
951										 const char* name, const char* desc)
952						: TestBase		(group, name, desc) {}
953
954	IterateResult	build				(FboBuilder& builder);
955};
956
957IterateResult DistinctSizeTest::build (FboBuilder& builder)
958{
959	attachTargetToNew(GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ImageFormat::none(),
960					  64, 64, builder);
961	attachTargetToNew(GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, ImageFormat::none(),
962					  128, 128, builder);
963	return STOP;
964}
965
966TestCaseGroup* Context::createRenderableTests (void)
967{
968	TestCaseGroup* const renderableTests = new TestCaseGroup(
969		m_testCtx, "renderable", "Tests for support of renderable image formats");
970
971	TestCaseGroup* const rbRenderableTests = new TestCaseGroup(
972		m_testCtx, "renderbuffer", "Tests for renderbuffer formats");
973
974	TestCaseGroup* const texRenderableTests = new TestCaseGroup(
975		m_testCtx, "texture", "Tests for texture formats");
976
977	static const struct AttPoint {
978		GLenum			attPoint;
979		const char*		name;
980		const char*		desc;
981	} attPoints[] =
982	{
983		{ GL_COLOR_ATTACHMENT0,		"color0",	"Tests for color attachments"	},
984		{ GL_STENCIL_ATTACHMENT,	"stencil",	"Tests for stencil attachments" },
985		{ GL_DEPTH_ATTACHMENT,		"depth",	"Tests for depth attachments"	},
986	};
987
988	// At each attachment point, iterate through all the possible formats to
989	// detect both false positives and false negatives.
990	const Formats rboFmts = m_allFormats.getFormats(ANY_FORMAT);
991	const Formats texFmts = m_allFormats.getFormats(ANY_FORMAT);
992
993	for (const AttPoint* it = DE_ARRAY_BEGIN(attPoints); it != DE_ARRAY_END(attPoints); it++)
994	{
995		TestCaseGroup* const rbAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
996		TestCaseGroup* const texAttTests = new TestCaseGroup(m_testCtx, it->name, it->desc);
997
998		for (Formats::const_iterator it2 = rboFmts.begin(); it2 != rboFmts.end(); it2++)
999		{
1000			const RenderableParams params = { it->attPoint, GL_RENDERBUFFER, *it2 };
1001			rbAttTests->addChild(new RenderableTest(*this, params));
1002		}
1003		rbRenderableTests->addChild(rbAttTests);
1004
1005		for (Formats::const_iterator it2 = texFmts.begin(); it2 != texFmts.end(); it2++)
1006		{
1007			const RenderableParams params = { it->attPoint, GL_TEXTURE, *it2 };
1008			texAttTests->addChild(new RenderableTest(*this, params));
1009		}
1010		texRenderableTests->addChild(texAttTests);
1011	}
1012	renderableTests->addChild(rbRenderableTests);
1013	renderableTests->addChild(texRenderableTests);
1014
1015	return renderableTests;
1016}
1017
1018TestCaseGroup* Context::createAttachmentTests (void)
1019{
1020	TestCaseGroup* const attCombTests = new TestCaseGroup(
1021		m_testCtx, "attachment_combinations", "Tests for attachment combinations");
1022
1023	static const GLenum s_bufTypes[] = { GL_NONE, GL_RENDERBUFFER, GL_TEXTURE };
1024	static const Range<GLenum> s_kinds = GLS_ARRAY_RANGE(s_bufTypes);
1025
1026	for (const GLenum* col0 = s_kinds.begin(); col0 != s_kinds.end(); ++col0)
1027		for (const GLenum* coln = s_kinds.begin(); coln != s_kinds.end(); ++coln)
1028			for (const GLenum* dep = s_kinds.begin(); dep != s_kinds.end(); ++dep)
1029				for (const GLenum* stc = s_kinds.begin(); stc != s_kinds.end(); ++stc)
1030				{
1031					AttachmentParams params = { *col0, *coln, *dep, *stc };
1032					attCombTests->addChild(new AttachmentTest(*this, params));
1033				}
1034
1035	return attCombTests;
1036}
1037
1038TestCaseGroup* Context::createSizeTests (void)
1039{
1040	TestCaseGroup* const sizeTests = new TestCaseGroup(
1041		m_testCtx, "size", "Tests for attachment sizes");
1042	sizeTests->addChild(new EmptyImageTest(
1043							*this, "zero",
1044							"Test for zero-sized image attachment"));
1045	sizeTests->addChild(new DistinctSizeTest(
1046							*this, "distinct",
1047							"Test for attachments with different sizes"));
1048
1049	return sizeTests;
1050}
1051
1052} // details
1053
1054} // fboc
1055} // gls
1056} // deqp
1057