1/*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.0 Module
3 * -------------------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Draw stress tests
22 *//*--------------------------------------------------------------------*/
23
24#include "es3sDrawTests.hpp"
25#include "tcuVector.hpp"
26#include "tcuTestLog.hpp"
27#include "tcuRenderTarget.hpp"
28#include "tcuSurface.hpp"
29#include "gluCallLogWrapper.hpp"
30#include "gluObjectWrapper.hpp"
31#include "gluPixelTransfer.hpp"
32#include "gluRenderContext.hpp"
33#include "gluShaderProgram.hpp"
34#include "gluStrUtil.hpp"
35#include "glsDrawTest.hpp"
36#include "glwFunctions.hpp"
37#include "glwEnums.hpp"
38#include "deRandom.hpp"
39#include "deStringUtil.hpp"
40#include "deUniquePtr.hpp"
41
42#include <set>
43
44namespace deqp
45{
46namespace gles3
47{
48namespace Stress
49{
50namespace
51{
52
53static const char* const s_vertexSource =		"#version 300 es\n"
54												"in highp vec4 a_position;\n"
55												"void main (void)\n"
56												"{\n"
57												"	gl_Position = a_position;\n"
58												"}\n";
59static const char* const s_fragmentSource =		"#version 300 es\n"
60												"layout(location = 0) out mediump vec4 fragColor;\n"
61												"void main (void)\n"
62												"{\n"
63												"	fragColor = vec4(1.0, 1.0, 1.0, 1.0);\n"
64												"}\n";
65
66class DrawInvalidRangeCase : public TestCase
67{
68public:
69						DrawInvalidRangeCase	(Context& ctx, const char* name, const char* desc, deUint32 min, deUint32 max, bool useLimitMin = false, bool useLimitMax = false);
70						~DrawInvalidRangeCase	(void);
71
72	void				init					(void);
73	void				deinit					(void);
74	IterateResult		iterate					(void);
75
76private:
77	const int			m_min;
78	const int			m_max;
79	const int			m_bufferedElements;
80	const int			m_numIndices;
81	const bool			m_useLimitMin;
82	const bool			m_useLimitMax;
83
84	deUint32			m_buffer;
85	deUint32			m_indexBuffer;
86	glu::ShaderProgram*	m_program;
87};
88
89DrawInvalidRangeCase::DrawInvalidRangeCase (Context& ctx, const char* name, const char* desc, deUint32 min, deUint32 max, bool useLimitMin, bool useLimitMax)
90	: TestCase				(ctx, name, desc)
91	, m_min					(min)
92	, m_max					(max)
93	, m_bufferedElements	(128)
94	, m_numIndices			(64)
95	, m_useLimitMin			(useLimitMin)
96	, m_useLimitMax			(useLimitMax)
97	, m_buffer				(0)
98	, m_indexBuffer			(0)
99	, m_program				(DE_NULL)
100{
101}
102
103DrawInvalidRangeCase::~DrawInvalidRangeCase (void)
104{
105	deinit();
106}
107
108void DrawInvalidRangeCase::init (void)
109{
110	const glw::Functions&	gl		= m_context.getRenderContext().getFunctions();
111	std::vector<tcu::Vec4>	data	(m_bufferedElements); // !< some junk data to make sure buffer is really allocated
112	std::vector<deUint32>	indices	(m_numIndices);
113
114	for (int ndx = 0; ndx < m_numIndices; ++ndx)
115		indices[ndx] = ndx;
116
117	gl.genBuffers(1, &m_buffer);
118	gl.bindBuffer(GL_ARRAY_BUFFER, m_buffer);
119	gl.bufferData(GL_ARRAY_BUFFER, int(m_bufferedElements * sizeof(tcu::Vec4)), &data[0], GL_STATIC_DRAW);
120	GLU_EXPECT_NO_ERROR(gl.getError(), "buffer gen");
121
122	gl.genBuffers(1, &m_indexBuffer);
123	gl.bindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffer);
124	gl.bufferData(GL_ELEMENT_ARRAY_BUFFER, int(m_numIndices * sizeof(deUint32)), &indices[0], GL_STATIC_DRAW);
125	GLU_EXPECT_NO_ERROR(gl.getError(), "buffer gen");
126
127	m_program = new glu::ShaderProgram(m_context.getRenderContext(), glu::ProgramSources() << glu::VertexSource(s_vertexSource) << glu::FragmentSource(s_fragmentSource));
128	if (!m_program->isOk())
129	{
130		m_testCtx.getLog() << *m_program;
131		throw tcu::TestError("could not build program");
132	}
133}
134
135void DrawInvalidRangeCase::deinit (void)
136{
137	if (m_buffer)
138	{
139		m_context.getRenderContext().getFunctions().deleteBuffers(1, &m_buffer);
140		m_buffer = 0;
141	}
142
143	if (m_indexBuffer)
144	{
145		m_context.getRenderContext().getFunctions().deleteBuffers(1, &m_indexBuffer);
146		m_indexBuffer = 0;
147	}
148
149	delete m_program;
150	m_program = DE_NULL;
151}
152
153DrawInvalidRangeCase::IterateResult DrawInvalidRangeCase::iterate (void)
154{
155	glu::CallLogWrapper		gl			(m_context.getRenderContext().getFunctions(), m_testCtx.getLog());
156	const deInt32			positionLoc = gl.glGetAttribLocation(m_program->getProgram(), "a_position");
157	tcu::Surface			dst			(m_context.getRenderTarget().getWidth(), m_context.getRenderTarget().getHeight());
158	glu::VertexArray		vao			(m_context.getRenderContext());
159
160	deInt64					indexLimit	= 0;
161	deUint32				min			= m_min;
162	deUint32				max			= m_max;
163
164	gl.enableLogging(true);
165
166	if (m_useLimitMin || m_useLimitMax)
167	{
168		gl.glGetInteger64v(GL_MAX_ELEMENT_INDEX, &indexLimit);
169		GLU_EXPECT_NO_ERROR(gl.glGetError(), "query limit");
170	}
171
172	if (m_useLimitMin)
173	{
174		if ((deUint64)indexLimit > 0xFFFFFFFFULL)
175			min = 0xFFFFFFF0;
176		else
177			min = (deUint32)(indexLimit - 16);
178	}
179
180	if (m_useLimitMax)
181	{
182		if ((deUint64)indexLimit > 0xFFFFFFFFULL)
183			max = 0xFFFFFFFF;
184		else
185			max = (deUint32)indexLimit;
186	}
187
188	gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
189	gl.glClear(GL_COLOR_BUFFER_BIT);
190	GLU_EXPECT_NO_ERROR(gl.glGetError(), "setup");
191
192	gl.glUseProgram(m_program->getProgram());
193	GLU_EXPECT_NO_ERROR(gl.glGetError(), "use program");
194
195	gl.glBindVertexArray(*vao);
196	gl.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffer);
197
198	gl.glBindBuffer(GL_ARRAY_BUFFER, m_buffer);
199	gl.glEnableVertexAttribArray(positionLoc);
200	gl.glVertexAttribPointer(positionLoc, 4, GL_FLOAT, GL_FALSE, 0, DE_NULL);
201	GLU_EXPECT_NO_ERROR(gl.glGetError(), "set buffer");
202
203	gl.glDrawRangeElements(GL_POINTS, min, max, m_numIndices, GL_UNSIGNED_INT, DE_NULL);
204
205	// Indexing outside range is an error, but it doesnt need to be checked. Causes implementation-dependent behavior.
206	// Even if the indices are in range (m_min = 0), the specification allows partial processing of vertices in the range,
207	// which might cause access over buffer bounds. Causes implementation-dependent behavior.
208
209	// allow errors
210	{
211		const deUint32 error = gl.glGetError();
212
213		if (error != GL_NO_ERROR)
214			m_testCtx.getLog() << tcu::TestLog::Message << "Got error: " << glu::getErrorStr(error) << ", ignoring..." << tcu::TestLog::EndMessage;
215	}
216
217	// read pixels to wait for rendering
218	gl.glFinish();
219	glu::readPixels(m_context.getRenderContext(), 0, 0, dst.getAccess());
220
221	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
222	return STOP;
223}
224
225static void genBasicSpec (gls::DrawTestSpec& spec, gls::DrawTestSpec::DrawMethod method)
226{
227	spec.apiType				= glu::ApiType::es(3,0);
228	spec.primitive				= gls::DrawTestSpec::PRIMITIVE_TRIANGLES;
229	spec.primitiveCount			= 5;
230	spec.drawMethod				= method;
231	spec.indexType				= gls::DrawTestSpec::INDEXTYPE_LAST;
232	spec.indexPointerOffset		= 0;
233	spec.indexStorage			= gls::DrawTestSpec::STORAGE_LAST;
234	spec.first					= 0;
235	spec.indexMin				= 0;
236	spec.indexMax				= 0;
237	spec.instanceCount			= 1;
238
239	spec.attribs.resize(2);
240
241	spec.attribs[0].inputType				= gls::DrawTestSpec::INPUTTYPE_FLOAT;
242	spec.attribs[0].outputType				= gls::DrawTestSpec::OUTPUTTYPE_VEC2;
243	spec.attribs[0].storage					= gls::DrawTestSpec::STORAGE_BUFFER;
244	spec.attribs[0].usage					= gls::DrawTestSpec::USAGE_STATIC_DRAW;
245	spec.attribs[0].componentCount			= 4;
246	spec.attribs[0].offset					= 0;
247	spec.attribs[0].stride					= 0;
248	spec.attribs[0].normalize				= false;
249	spec.attribs[0].instanceDivisor			= 0;
250	spec.attribs[0].useDefaultAttribute		= false;
251
252	spec.attribs[1].inputType				= gls::DrawTestSpec::INPUTTYPE_FLOAT;
253	spec.attribs[1].outputType				= gls::DrawTestSpec::OUTPUTTYPE_VEC2;
254	spec.attribs[1].storage					= gls::DrawTestSpec::STORAGE_BUFFER;
255	spec.attribs[1].usage					= gls::DrawTestSpec::USAGE_STATIC_DRAW;
256	spec.attribs[1].componentCount			= 2;
257	spec.attribs[1].offset					= 0;
258	spec.attribs[1].stride					= 0;
259	spec.attribs[1].normalize				= false;
260	spec.attribs[1].instanceDivisor			= 0;
261	spec.attribs[1].useDefaultAttribute		= false;
262}
263
264class IndexGroup : public TestCaseGroup
265{
266public:
267									IndexGroup		(Context& context, const char* name, const char* descr, gls::DrawTestSpec::DrawMethod drawMethod);
268									~IndexGroup		(void);
269
270	void							init			(void);
271
272private:
273	gls::DrawTestSpec::DrawMethod	m_method;
274};
275
276IndexGroup::IndexGroup (Context& context, const char* name, const char* descr, gls::DrawTestSpec::DrawMethod drawMethod)
277	: TestCaseGroup		(context, name, descr)
278	, m_method			(drawMethod)
279{
280}
281
282IndexGroup::~IndexGroup (void)
283{
284}
285
286void IndexGroup::init (void)
287{
288	struct IndexTest
289	{
290		gls::DrawTestSpec::Storage		storage;
291		gls::DrawTestSpec::IndexType	type;
292		bool							aligned;
293		int								offsets[3];
294	};
295
296	const IndexTest tests[] =
297	{
298		{ gls::DrawTestSpec::STORAGE_BUFFER,	gls::DrawTestSpec::INDEXTYPE_SHORT,	false,	{ 1, 3, -1 } },
299		{ gls::DrawTestSpec::STORAGE_BUFFER,	gls::DrawTestSpec::INDEXTYPE_INT,	false,	{ 2, 3, -1 } },
300	};
301
302	gls::DrawTestSpec spec;
303
304	tcu::TestCaseGroup* const	unalignedBufferGroup	= new tcu::TestCaseGroup(m_testCtx, "unaligned_buffer", "unaligned buffer");
305	const bool					isRangedMethod			= (m_method == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED || m_method == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED_BASEVERTEX);
306
307	genBasicSpec(spec, m_method);
308
309	this->addChild(unalignedBufferGroup);
310
311	for (int testNdx = 0; testNdx < DE_LENGTH_OF_ARRAY(tests); ++testNdx)
312	{
313		const IndexTest&				indexTest	= tests[testNdx];
314
315		DE_ASSERT(indexTest.storage != gls::DrawTestSpec::STORAGE_USER);
316		DE_ASSERT(!indexTest.aligned);
317		tcu::TestCaseGroup*				group		= unalignedBufferGroup;
318
319		const std::string				name		= std::string("index_") + gls::DrawTestSpec::indexTypeToString(indexTest.type);
320		const std::string				desc		= std::string("index ") + gls::DrawTestSpec::indexTypeToString(indexTest.type) + " in " + gls::DrawTestSpec::storageToString(indexTest.storage);
321		de::MovePtr<gls::DrawTest>		test		(new gls::DrawTest(m_testCtx, m_context.getRenderContext(), name.c_str(), desc.c_str()));
322
323		spec.indexType			= indexTest.type;
324		spec.indexStorage		= indexTest.storage;
325
326		if (isRangedMethod)
327		{
328			spec.indexMin = 0;
329			spec.indexMax = 55;
330		}
331
332		for (int iterationNdx = 0; iterationNdx < DE_LENGTH_OF_ARRAY(indexTest.offsets) && indexTest.offsets[iterationNdx] != -1; ++iterationNdx)
333		{
334			const std::string iterationDesc = std::string("offset ") + de::toString(indexTest.offsets[iterationNdx]);
335			spec.indexPointerOffset	= indexTest.offsets[iterationNdx];
336			test->addIteration(spec, iterationDesc.c_str());
337		}
338
339		DE_ASSERT(spec.isCompatibilityTest() == gls::DrawTestSpec::COMPATIBILITY_UNALIGNED_OFFSET ||
340				  spec.isCompatibilityTest() == gls::DrawTestSpec::COMPATIBILITY_UNALIGNED_STRIDE);
341		group->addChild(test.release());
342	}
343}
344
345class MethodGroup : public TestCaseGroup
346{
347public:
348									MethodGroup			(Context& context, const char* name, const char* descr, gls::DrawTestSpec::DrawMethod drawMethod);
349									~MethodGroup		(void);
350
351	void							init				(void);
352
353private:
354	gls::DrawTestSpec::DrawMethod	m_method;
355};
356
357MethodGroup::MethodGroup (Context& context, const char* name, const char* descr, gls::DrawTestSpec::DrawMethod drawMethod)
358	: TestCaseGroup		(context, name, descr)
359	, m_method			(drawMethod)
360{
361}
362
363MethodGroup::~MethodGroup (void)
364{
365}
366
367void MethodGroup::init (void)
368{
369	const bool indexed		= (m_method == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS) || (m_method == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_INSTANCED) || (m_method == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED);
370
371	DE_ASSERT(indexed);
372	DE_UNREF(indexed);
373
374	this->addChild(new IndexGroup(m_context, "indices", "Index tests", m_method));
375}
376
377class RandomGroup : public TestCaseGroup
378{
379public:
380									RandomGroup		(Context& context, const char* name, const char* descr);
381									~RandomGroup	(void);
382
383	void							init			(void);
384};
385
386template <int SIZE>
387struct UniformWeightArray
388{
389	float weights[SIZE];
390
391	UniformWeightArray (void)
392	{
393		for (int i=0; i<SIZE; ++i)
394			weights[i] = 1.0f;
395	}
396};
397
398RandomGroup::RandomGroup (Context& context, const char* name, const char* descr)
399	: TestCaseGroup	(context, name, descr)
400{
401}
402
403RandomGroup::~RandomGroup (void)
404{
405}
406
407void RandomGroup::init (void)
408{
409	const int	numAttempts				= 300;
410
411	const int	attribCounts[]			= { 1, 2, 5 };
412	const float	attribWeights[]			= { 30, 10, 1 };
413	const int	primitiveCounts[]		= { 1, 5, 64 };
414	const float	primitiveCountWeights[]	= { 20, 10, 1 };
415	const int	indexOffsets[]			= { 0, 7, 13 };
416	const float	indexOffsetWeights[]	= { 20, 20, 1 };
417	const int	firsts[]				= { 0, 7, 13 };
418	const float	firstWeights[]			= { 20, 20, 1 };
419	const int	instanceCounts[]		= { 1, 2, 16, 17 };
420	const float	instanceWeights[]		= { 20, 10, 5, 1 };
421	const int	indexMins[]				= { 0, 1, 3, 8 };
422	const int	indexMaxs[]				= { 4, 8, 128, 257 };
423	const float	indexWeights[]			= { 50, 50, 50, 50 };
424	const int	offsets[]				= { 0, 1, 5, 12 };
425	const float	offsetWeights[]			= { 50, 10, 10, 10 };
426	const int	strides[]				= { 0, 7, 16, 17 };
427	const float	strideWeights[]			= { 50, 10, 10, 10 };
428	const int	instanceDivisors[]		= { 0, 1, 3, 129 };
429	const float	instanceDivisorWeights[]= { 70, 30, 10, 10 };
430
431	gls::DrawTestSpec::Primitive primitives[] =
432	{
433		gls::DrawTestSpec::PRIMITIVE_POINTS,
434		gls::DrawTestSpec::PRIMITIVE_TRIANGLES,
435		gls::DrawTestSpec::PRIMITIVE_TRIANGLE_FAN,
436		gls::DrawTestSpec::PRIMITIVE_TRIANGLE_STRIP,
437		gls::DrawTestSpec::PRIMITIVE_LINES,
438		gls::DrawTestSpec::PRIMITIVE_LINE_STRIP,
439		gls::DrawTestSpec::PRIMITIVE_LINE_LOOP
440	};
441	const UniformWeightArray<DE_LENGTH_OF_ARRAY(primitives)> primitiveWeights;
442
443	gls::DrawTestSpec::DrawMethod drawMethods[] =
444	{
445		gls::DrawTestSpec::DRAWMETHOD_DRAWARRAYS,
446		gls::DrawTestSpec::DRAWMETHOD_DRAWARRAYS_INSTANCED,
447		gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS,
448		gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED,
449		gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_INSTANCED
450	};
451	const UniformWeightArray<DE_LENGTH_OF_ARRAY(drawMethods)> drawMethodWeights;
452
453	gls::DrawTestSpec::IndexType indexTypes[] =
454	{
455		gls::DrawTestSpec::INDEXTYPE_BYTE,
456		gls::DrawTestSpec::INDEXTYPE_SHORT,
457		gls::DrawTestSpec::INDEXTYPE_INT,
458	};
459	const UniformWeightArray<DE_LENGTH_OF_ARRAY(indexTypes)> indexTypeWeights;
460
461	gls::DrawTestSpec::Storage storages[] =
462	{
463		gls::DrawTestSpec::STORAGE_USER,
464		gls::DrawTestSpec::STORAGE_BUFFER,
465	};
466	const UniformWeightArray<DE_LENGTH_OF_ARRAY(storages)> storageWeights;
467
468	gls::DrawTestSpec::InputType inputTypes[] =
469	{
470		gls::DrawTestSpec::INPUTTYPE_FLOAT,
471		gls::DrawTestSpec::INPUTTYPE_FIXED,
472		gls::DrawTestSpec::INPUTTYPE_BYTE,
473		gls::DrawTestSpec::INPUTTYPE_SHORT,
474		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_BYTE,
475		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_SHORT,
476		gls::DrawTestSpec::INPUTTYPE_INT,
477		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_INT,
478		gls::DrawTestSpec::INPUTTYPE_HALF,
479		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_INT_2_10_10_10,
480		gls::DrawTestSpec::INPUTTYPE_INT_2_10_10_10,
481	};
482	const UniformWeightArray<DE_LENGTH_OF_ARRAY(inputTypes)> inputTypeWeights;
483
484	gls::DrawTestSpec::OutputType outputTypes[] =
485	{
486		gls::DrawTestSpec::OUTPUTTYPE_FLOAT,
487		gls::DrawTestSpec::OUTPUTTYPE_VEC2,
488		gls::DrawTestSpec::OUTPUTTYPE_VEC3,
489		gls::DrawTestSpec::OUTPUTTYPE_VEC4,
490		gls::DrawTestSpec::OUTPUTTYPE_INT,
491		gls::DrawTestSpec::OUTPUTTYPE_UINT,
492		gls::DrawTestSpec::OUTPUTTYPE_IVEC2,
493		gls::DrawTestSpec::OUTPUTTYPE_IVEC3,
494		gls::DrawTestSpec::OUTPUTTYPE_IVEC4,
495		gls::DrawTestSpec::OUTPUTTYPE_UVEC2,
496		gls::DrawTestSpec::OUTPUTTYPE_UVEC3,
497		gls::DrawTestSpec::OUTPUTTYPE_UVEC4,
498	};
499	const UniformWeightArray<DE_LENGTH_OF_ARRAY(outputTypes)> outputTypeWeights;
500
501	gls::DrawTestSpec::Usage usages[] =
502	{
503		gls::DrawTestSpec::USAGE_DYNAMIC_DRAW,
504		gls::DrawTestSpec::USAGE_STATIC_DRAW,
505		gls::DrawTestSpec::USAGE_STREAM_DRAW,
506		gls::DrawTestSpec::USAGE_STREAM_READ,
507		gls::DrawTestSpec::USAGE_STREAM_COPY,
508		gls::DrawTestSpec::USAGE_STATIC_READ,
509		gls::DrawTestSpec::USAGE_STATIC_COPY,
510		gls::DrawTestSpec::USAGE_DYNAMIC_READ,
511		gls::DrawTestSpec::USAGE_DYNAMIC_COPY,
512	};
513	const UniformWeightArray<DE_LENGTH_OF_ARRAY(usages)> usageWeights;
514
515	std::set<deUint32>	insertedHashes;
516	size_t				insertedCount = 0;
517
518	for (int ndx = 0; ndx < numAttempts; ++ndx)
519	{
520		de::Random random(0xc551393 + ndx); // random does not depend on previous cases
521
522		int					attributeCount = random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(attribCounts), DE_ARRAY_END(attribCounts), attribWeights);
523		gls::DrawTestSpec	spec;
524
525		spec.apiType				= glu::ApiType::es(3,0);
526		spec.primitive				= random.chooseWeighted<gls::DrawTestSpec::Primitive>	(DE_ARRAY_BEGIN(primitives),		DE_ARRAY_END(primitives),		primitiveWeights.weights);
527		spec.primitiveCount			= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(primitiveCounts),	DE_ARRAY_END(primitiveCounts),	primitiveCountWeights);
528		spec.drawMethod				= random.chooseWeighted<gls::DrawTestSpec::DrawMethod>	(DE_ARRAY_BEGIN(drawMethods),		DE_ARRAY_END(drawMethods),		drawMethodWeights.weights);
529		spec.indexType				= random.chooseWeighted<gls::DrawTestSpec::IndexType>	(DE_ARRAY_BEGIN(indexTypes),		DE_ARRAY_END(indexTypes),		indexTypeWeights.weights);
530		spec.indexPointerOffset		= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(indexOffsets),		DE_ARRAY_END(indexOffsets),		indexOffsetWeights);
531		spec.indexStorage			= random.chooseWeighted<gls::DrawTestSpec::Storage>		(DE_ARRAY_BEGIN(storages),			DE_ARRAY_END(storages),			storageWeights.weights);
532		spec.first					= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(firsts),			DE_ARRAY_END(firsts),			firstWeights);
533		spec.indexMin				= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(indexMins),			DE_ARRAY_END(indexMins),		indexWeights);
534		spec.indexMax				= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(indexMaxs),			DE_ARRAY_END(indexMaxs),		indexWeights);
535		spec.instanceCount			= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(instanceCounts),	DE_ARRAY_END(instanceCounts),	instanceWeights);
536
537		// check spec is legal
538		if (!spec.valid())
539			continue;
540
541		for (int attrNdx = 0; attrNdx < attributeCount;)
542		{
543			bool valid;
544			gls::DrawTestSpec::AttributeSpec attribSpec;
545
546			attribSpec.inputType			= random.chooseWeighted<gls::DrawTestSpec::InputType>	(DE_ARRAY_BEGIN(inputTypes),		DE_ARRAY_END(inputTypes),		inputTypeWeights.weights);
547			attribSpec.outputType			= random.chooseWeighted<gls::DrawTestSpec::OutputType>	(DE_ARRAY_BEGIN(outputTypes),		DE_ARRAY_END(outputTypes),		outputTypeWeights.weights);
548			attribSpec.storage				= random.chooseWeighted<gls::DrawTestSpec::Storage>		(DE_ARRAY_BEGIN(storages),			DE_ARRAY_END(storages),			storageWeights.weights);
549			attribSpec.usage				= random.chooseWeighted<gls::DrawTestSpec::Usage>		(DE_ARRAY_BEGIN(usages),			DE_ARRAY_END(usages),			usageWeights.weights);
550			attribSpec.componentCount		= random.getInt(1, 4);
551			attribSpec.offset				= random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(offsets), DE_ARRAY_END(offsets), offsetWeights);
552			attribSpec.stride				= random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(strides), DE_ARRAY_END(strides), strideWeights);
553			attribSpec.normalize			= random.getBool();
554			attribSpec.instanceDivisor		= random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(instanceDivisors), DE_ARRAY_END(instanceDivisors), instanceDivisorWeights);
555			attribSpec.useDefaultAttribute	= random.getBool();
556
557			// check spec is legal
558			valid = attribSpec.valid(spec.apiType);
559
560			// we do not want interleaved elements. (Might result in some weird floating point values)
561			if (attribSpec.stride && attribSpec.componentCount * gls::DrawTestSpec::inputTypeSize(attribSpec.inputType) > attribSpec.stride)
562				valid = false;
563
564			// try again if not valid
565			if (valid)
566			{
567				spec.attribs.push_back(attribSpec);
568				++attrNdx;
569			}
570		}
571
572		// Do not collapse all vertex positions to a single positions
573		if (spec.primitive != gls::DrawTestSpec::PRIMITIVE_POINTS)
574			spec.attribs[0].instanceDivisor = 0;
575
576		// Is render result meaningful?
577		{
578			// Only one vertex
579			if (spec.drawMethod == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED && spec.indexMin == spec.indexMax && spec.primitive != gls::DrawTestSpec::PRIMITIVE_POINTS)
580				continue;
581			if (spec.attribs[0].useDefaultAttribute && spec.primitive != gls::DrawTestSpec::PRIMITIVE_POINTS)
582				continue;
583
584			// Triangle only on one axis
585			if (spec.primitive == gls::DrawTestSpec::PRIMITIVE_TRIANGLES || spec.primitive == gls::DrawTestSpec::PRIMITIVE_TRIANGLE_FAN || spec.primitive == gls::DrawTestSpec::PRIMITIVE_TRIANGLE_STRIP)
586			{
587				if (spec.attribs[0].componentCount == 1)
588					continue;
589				if (spec.attribs[0].outputType == gls::DrawTestSpec::OUTPUTTYPE_FLOAT || spec.attribs[0].outputType == gls::DrawTestSpec::OUTPUTTYPE_INT || spec.attribs[0].outputType == gls::DrawTestSpec::OUTPUTTYPE_UINT)
590					continue;
591				if (spec.drawMethod == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED && (spec.indexMax - spec.indexMin) < 2)
592					continue;
593			}
594		}
595
596		// Add case
597		{
598			deUint32 hash = spec.hash();
599			for (int attrNdx = 0; attrNdx < attributeCount; ++attrNdx)
600				hash = (hash << 2) ^ (deUint32)spec.attribs[attrNdx].hash();
601
602			if (insertedHashes.find(hash) == insertedHashes.end())
603			{
604				// Only unaligned cases
605				if (spec.isCompatibilityTest() == gls::DrawTestSpec::COMPATIBILITY_UNALIGNED_OFFSET ||
606					spec.isCompatibilityTest() == gls::DrawTestSpec::COMPATIBILITY_UNALIGNED_STRIDE)
607					this->addChild(new gls::DrawTest(m_testCtx, m_context.getRenderContext(), spec, de::toString(insertedCount).c_str(), spec.getDesc().c_str()));
608				insertedHashes.insert(hash);
609
610				++insertedCount;
611			}
612		}
613	}
614}
615
616} // anonymous
617
618DrawTests::DrawTests (Context& context)
619	: TestCaseGroup(context, "draw", "Draw stress tests")
620{
621}
622
623DrawTests::~DrawTests (void)
624{
625}
626
627void DrawTests::init (void)
628{
629	tcu::TestCaseGroup* const unalignedGroup	= new tcu::TestCaseGroup(m_testCtx, "unaligned_data", "Test with unaligned data");
630	tcu::TestCaseGroup* const drawRangeGroup	= new tcu::TestCaseGroup(m_testCtx, "draw_range_elements", "Test drawRangeElements");
631
632	addChild(unalignedGroup);
633	addChild(drawRangeGroup);
634
635	// .unaligned_data
636	{
637		const gls::DrawTestSpec::DrawMethod basicMethods[] =
638		{
639			// gls::DrawTestSpec::DRAWMETHOD_DRAWARRAYS,
640			gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS,
641			// gls::DrawTestSpec::DRAWMETHOD_DRAWARRAYS_INSTANCED,
642			gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_INSTANCED,
643			gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED,
644		};
645
646		for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(basicMethods); ++ndx)
647		{
648			const std::string name = gls::DrawTestSpec::drawMethodToString(basicMethods[ndx]);
649			const std::string desc = gls::DrawTestSpec::drawMethodToString(basicMethods[ndx]);
650
651			unalignedGroup->addChild(new MethodGroup(m_context, name.c_str(), desc.c_str(), basicMethods[ndx]));
652		}
653
654		// Random
655
656		unalignedGroup->addChild(new RandomGroup(m_context, "random", "random draw commands."));
657	}
658
659	// .draw_range_elements
660	{
661		// use a larger range than the buffer size is
662		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_max_over_bounds",							"Range over buffer bounds",	0x00000000,	0x00210000));
663		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_max_over_bounds_near_signed_wrap",			"Range over buffer bounds",	0x00000000,	0x7FFFFFFF));
664		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_max_over_bounds_near_unsigned_wrap",		"Range over buffer bounds",	0x00000000,	0xFFFFFFFF));
665		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_max_over_bounds_near_max",					"Range over buffer bounds",	0x00000000, 0x00000000, false, true));
666
667		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_min_max_over_bounds",						"Range over buffer bounds",	0x00200000,	0x00210000));
668		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_min_max_over_bounds_near_signed_wrap",		"Range over buffer bounds",	0x7FFFFFF0,	0x7FFFFFFF));
669		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_min_max_over_bounds_near_unsigned_wrap",	"Range over buffer bounds",	0xFFFFFFF0,	0xFFFFFFFF));
670		drawRangeGroup->addChild(new DrawInvalidRangeCase(m_context, "range_min_max_over_bounds_near_max",				"Range over buffer bounds",	0x00000000, 0x00000000, true, true));
671	}
672}
673
674} // Stress
675} // gles3
676} // deqp
677