1 
2 /*-------------------------------------------------------------------------
3  * drawElements Quality Program OpenGL ES 3.1 Module
4  * -------------------------------------------------
5  *
6  * Copyright 2014 The Android Open Source Project
7  *
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  *      http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  *
20  *//*!
21  * \file
22  * \brief Drawing stress tests.
23  *//*--------------------------------------------------------------------*/
24 
25 #include "es31sDrawTests.hpp"
26 #include "glsDrawTest.hpp"
27 #include "gluRenderContext.hpp"
28 #include "gluCallLogWrapper.hpp"
29 #include "gluShaderProgram.hpp"
30 #include "glwEnums.hpp"
31 #include "glwFunctions.hpp"
32 #include "deRandom.hpp"
33 #include "deStringUtil.hpp"
34 #include "deUniquePtr.hpp"
35 
36 #include <set>
37 
38 namespace deqp
39 {
40 namespace gles31
41 {
42 namespace Stress
43 {
44 namespace
45 {
46 
47 static const char* s_colorVertexShaderSource =		"#version 310 es\n"
48 													"in highp vec4 a_position;\n"
49 													"in highp vec4 a_color;\n"
50 													"out highp vec4 v_color;\n"
51 													"void main (void)\n"
52 													"{\n"
53 													"	gl_Position = a_position;\n"
54 													"	v_color = a_color;\n"
55 													"}\n";
56 static const char* s_colorFragmentShaderSource	=	"#version 310 es\n"
57 													"layout(location = 0) out highp vec4 fragColor;\n"
58 													"in highp vec4 v_color;\n"
59 													"void main (void)\n"
60 													"{\n"
61 													"	fragColor = v_color;\n"
62 													"}\n";
63 struct DrawElementsCommand
64 {
65 	deUint32 count;
66 	deUint32 primCount;
67 	deUint32 firstIndex;
68 	deInt32  baseVertex;
69 	deUint32 reservedMustBeZero;
70 };
71 DE_STATIC_ASSERT(5 * sizeof(deUint32) == sizeof(DrawElementsCommand)); // tight packing
72 
73 struct DrawArraysCommand
74 {
75 	deUint32 count;
76 	deUint32 primCount;
77 	deUint32 first;
78 	deUint32 reservedMustBeZero;
79 };
80 DE_STATIC_ASSERT(4 * sizeof(deUint32) == sizeof(DrawArraysCommand)); // tight packing
81 
82 class InvalidDrawCase : public TestCase
83 {
84 public:
85 	enum DrawType
86 	{
87 		DRAW_ARRAYS,
88 		DRAW_ELEMENTS,
89 
90 		DRAW_LAST
91 	};
92 	enum InvalidOperation
93 	{
94 		INVALID_DATA_COUNT = 0,
95 		INVALID_DATA_FIRST,
96 		INVALID_DATA_INSTANCED,
97 		INVALID_INDEX_COUNT,
98 		INVALID_INDEX_FIRST,
99 		INVALID_RESERVED,
100 		INVALID_INDEX,
101 
102 		INVALID_LAST
103 	};
104 
105 							InvalidDrawCase		(Context& context, const char* name, const char* desc, DrawType type, InvalidOperation op);
106 							~InvalidDrawCase	(void);
107 
108 	void					init				(void);
109 	void					deinit				(void);
110 	IterateResult			iterate				(void);
111 
112 private:
113 	const DrawType			m_drawType;
114 	const InvalidOperation	m_op;
115 	glw::GLuint				m_dataBufferID;
116 	glw::GLuint				m_indexBufferID;
117 	glw::GLuint				m_cmdBufferID;
118 	glw::GLuint				m_colorBufferID;
119 	glw::GLuint				m_vao;
120 };
121 
InvalidDrawCase(Context & context,const char * name,const char * desc,DrawType type,InvalidOperation op)122 InvalidDrawCase::InvalidDrawCase (Context& context, const char* name, const char* desc, DrawType type, InvalidOperation op)
123 	: TestCase			(context, name, desc)
124 	, m_drawType		(type)
125 	, m_op				(op)
126 	, m_dataBufferID	(0)
127 	, m_indexBufferID	(0)
128 	, m_cmdBufferID		(0)
129 	, m_colorBufferID	(0)
130 	, m_vao				(0)
131 {
132 	DE_ASSERT(type < DRAW_LAST);
133 	DE_ASSERT(op < INVALID_LAST);
134 }
135 
~InvalidDrawCase(void)136 InvalidDrawCase::~InvalidDrawCase (void)
137 {
138 	deinit();
139 }
140 
init(void)141 void InvalidDrawCase::init (void)
142 {
143 }
144 
deinit(void)145 void InvalidDrawCase::deinit (void)
146 {
147 	if (m_dataBufferID)
148 	{
149 		m_context.getRenderContext().getFunctions().deleteBuffers(1, &m_dataBufferID);
150 		m_dataBufferID = 0;
151 	}
152 	if (m_indexBufferID)
153 	{
154 		m_context.getRenderContext().getFunctions().deleteBuffers(1, &m_indexBufferID);
155 		m_indexBufferID = 0;
156 	}
157 	if (m_cmdBufferID)
158 	{
159 		m_context.getRenderContext().getFunctions().deleteBuffers(1, &m_cmdBufferID);
160 		m_cmdBufferID = 0;
161 	}
162 	if (m_colorBufferID)
163 	{
164 		m_context.getRenderContext().getFunctions().deleteBuffers(1, &m_colorBufferID);
165 		m_colorBufferID = 0;
166 	}
167 	if (m_vao)
168 	{
169 		m_context.getRenderContext().getFunctions().deleteVertexArrays(1, &m_vao);
170 		m_vao = 0;
171 	}
172 }
173 
iterate(void)174 InvalidDrawCase::IterateResult InvalidDrawCase::iterate (void)
175 {
176 	const int drawCount				= 10;		//!< number of elements safe to draw (all buffers have this)
177 	const int overBoundDrawCount	= 10000;	//!< number of elements in all other buffers than our target buffer
178 	const int drawInstances			= 1;
179 	const int overBoundInstances	= 1000;
180 
181 	glu::CallLogWrapper gl				(m_context.getRenderContext().getFunctions(), m_testCtx.getLog());
182 	glu::ShaderProgram	program			(m_context.getRenderContext(), glu::ProgramSources() << glu::VertexSource(s_colorVertexShaderSource) << glu::FragmentSource(s_colorFragmentShaderSource));
183 	const deUint32		programID		= program.getProgram();
184 	const deInt32		posLocation		= gl.glGetAttribLocation(programID, "a_position");
185 	const deInt32		colorLocation	= gl.glGetAttribLocation(programID, "a_color");
186 
187 	gl.enableLogging(true);
188 
189 	gl.glGenVertexArrays(1, &m_vao);
190 	gl.glBindVertexArray(m_vao);
191 	glu::checkError(gl.glGetError(), "gen vao", __FILE__, __LINE__);
192 
193 	// indices
194 	if (m_drawType == DRAW_ELEMENTS)
195 	{
196 		const int				indexBufferSize = (m_op == INVALID_INDEX_COUNT) ? (drawCount) : (overBoundDrawCount);
197 		std::vector<deUint16>	indices			(indexBufferSize);
198 
199 		for (int ndx = 0; ndx < (int)indices.size(); ++ndx)
200 			indices[ndx] = (m_op == INVALID_INDEX) ? (overBoundDrawCount + ndx) : (ndx);
201 
202 		gl.glGenBuffers(1, &m_indexBufferID);
203 		gl.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBufferID);
204 		gl.glBufferData(GL_ELEMENT_ARRAY_BUFFER, (int)(indices.size() * sizeof(deUint16)), &indices[0], GL_STATIC_DRAW);
205 		glu::checkError(gl.glGetError(), "", __FILE__, __LINE__);
206 	}
207 
208 	// data
209 	{
210 		const int dataSize = (m_op == INVALID_DATA_COUNT) ? (drawCount) : (overBoundDrawCount);
211 
212 		// any data is ok
213 		gl.glGenBuffers(1, &m_dataBufferID);
214 		gl.glBindBuffer(GL_ARRAY_BUFFER, m_dataBufferID);
215 		gl.glBufferData(GL_ARRAY_BUFFER, dataSize * sizeof(float[4]), DE_NULL, GL_STATIC_DRAW);
216 		gl.glVertexAttribPointer(posLocation, 4, GL_FLOAT, GL_FALSE, 0, DE_NULL);
217 		gl.glEnableVertexAttribArray(posLocation);
218 		glu::checkError(gl.glGetError(), "", __FILE__, __LINE__);
219 	}
220 
221 	// potentially instanced data
222 	{
223 		const int dataSize = drawInstances;
224 
225 		gl.glGenBuffers(1, &m_colorBufferID);
226 		gl.glBindBuffer(GL_ARRAY_BUFFER, m_colorBufferID);
227 		gl.glBufferData(GL_ARRAY_BUFFER, dataSize * sizeof(float[4]), DE_NULL, GL_STATIC_DRAW);
228 		gl.glVertexAttribPointer(colorLocation, 4, GL_FLOAT, GL_FALSE, 0, DE_NULL);
229 		gl.glEnableVertexAttribArray(colorLocation);
230 		gl.glVertexAttribDivisor(colorLocation, 1);
231 		glu::checkError(gl.glGetError(), "", __FILE__, __LINE__);
232 	}
233 
234 	// command
235 	if (m_drawType == DRAW_ARRAYS)
236 	{
237 		DrawArraysCommand drawCommand;
238 		drawCommand.count				= overBoundDrawCount;
239 		drawCommand.primCount			= (m_op == INVALID_DATA_INSTANCED)	? (overBoundInstances)	: (drawInstances);
240 		drawCommand.first				= (m_op == INVALID_DATA_FIRST)		? (overBoundDrawCount)	: (0);
241 		drawCommand.reservedMustBeZero	= (m_op == INVALID_RESERVED)		? (5)					: (0);
242 
243 		m_testCtx.getLog()
244 			<< tcu::TestLog::Message
245 			<< "drawCommand:"
246 			<< "\n\tcount:\t" << drawCommand.count
247 			<< "\n\tprimCount\t" << drawCommand.primCount
248 			<< "\n\tfirst\t" << drawCommand.first
249 			<< "\n\treservedMustBeZero\t" << drawCommand.reservedMustBeZero
250 			<< tcu::TestLog::EndMessage;
251 
252 		gl.glGenBuffers(1, &m_cmdBufferID);
253 		gl.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, m_cmdBufferID);
254 		gl.glBufferData(GL_DRAW_INDIRECT_BUFFER, sizeof(drawCommand), &drawCommand, GL_STATIC_DRAW);
255 		glu::checkError(gl.glGetError(), "", __FILE__, __LINE__);
256 	}
257 	else if (m_drawType == DRAW_ELEMENTS)
258 	{
259 		DrawElementsCommand drawCommand;
260 		drawCommand.count				= overBoundDrawCount;
261 		drawCommand.primCount			= (m_op == INVALID_DATA_INSTANCED)	? (overBoundInstances)	: (drawInstances);
262 		drawCommand.firstIndex			= (m_op == INVALID_INDEX_FIRST)		? (overBoundDrawCount)	: (0);
263 		drawCommand.baseVertex			= (m_op == INVALID_DATA_FIRST)		? (overBoundDrawCount)	: (0);
264 		drawCommand.reservedMustBeZero	= (m_op == INVALID_RESERVED)		? (5)					: (0);
265 
266 		m_testCtx.getLog()
267 			<< tcu::TestLog::Message
268 			<< "drawCommand:"
269 			<< "\n\tcount:\t" << drawCommand.count
270 			<< "\n\tprimCount\t" << drawCommand.primCount
271 			<< "\n\tfirstIndex\t" << drawCommand.firstIndex
272 			<< "\n\tbaseVertex\t" << drawCommand.baseVertex
273 			<< "\n\treservedMustBeZero\t" << drawCommand.reservedMustBeZero
274 			<< tcu::TestLog::EndMessage;
275 
276 		gl.glGenBuffers(1, &m_cmdBufferID);
277 		gl.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, m_cmdBufferID);
278 		gl.glBufferData(GL_DRAW_INDIRECT_BUFFER, sizeof(drawCommand), &drawCommand, GL_STATIC_DRAW);
279 		glu::checkError(gl.glGetError(), "", __FILE__, __LINE__);
280 	}
281 	else
282 		DE_ASSERT(DE_FALSE);
283 
284 	gl.glViewport(0, 0, 1, 1);
285 	gl.glUseProgram(programID);
286 
287 	if (m_drawType == DRAW_ELEMENTS)
288 		gl.glDrawElementsIndirect(GL_TRIANGLES, GL_UNSIGNED_SHORT, DE_NULL);
289 	else if (m_drawType == DRAW_ARRAYS)
290 		gl.glDrawArraysIndirect(GL_TRIANGLES, DE_NULL);
291 	else
292 		DE_ASSERT(DE_FALSE);
293 
294 	gl.glUseProgram(0);
295 	gl.glFinish();
296 
297 	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
298 	return STOP;
299 }
300 
301 class RandomGroup : public TestCaseGroup
302 {
303 public:
304 			RandomGroup		(Context& context, const char* name, const char* descr);
305 			~RandomGroup	(void);
306 
307 	void	init			(void);
308 };
309 
310 template <int SIZE>
311 struct UniformWeightArray
312 {
313 	float weights[SIZE];
314 
UniformWeightArraydeqp::gles31::Stress::__anon52ff76040111::UniformWeightArray315 	UniformWeightArray (void)
316 	{
317 		for (int i=0; i<SIZE; ++i)
318 			weights[i] = 1.0f;
319 	}
320 };
321 
RandomGroup(Context & context,const char * name,const char * descr)322 RandomGroup::RandomGroup (Context& context, const char* name, const char* descr)
323 	: TestCaseGroup	(context, name, descr)
324 {
325 }
326 
~RandomGroup(void)327 RandomGroup::~RandomGroup (void)
328 {
329 }
330 
init(void)331 void RandomGroup::init (void)
332 {
333 	const int	numAttempts				= 100;
334 
335 	const int	attribCounts[]			= { 1,   2,   5 };
336 	const float	attribWeights[]			= { 30, 10,   1 };
337 	const int	primitiveCounts[]		= { 1,   5,  64 };
338 	const float	primitiveCountWeights[]	= { 20, 10,   1 };
339 	const int	indexOffsets[]			= { 0,   7,  13 };
340 	const float	indexOffsetWeights[]	= { 20, 20,   1 };
341 	const int	firsts[]				= { 0,   7,  13 };
342 	const float	firstWeights[]			= { 20, 20,   1 };
343 
344 	const int	instanceCounts[]		= { 1,   2,  16,  17 };
345 	const float	instanceWeights[]		= { 20, 10,   5,   1 };
346 	const int	indexMins[]				= { 0,   1,   3,   8 };
347 	const int	indexMaxs[]				= { 4,   8, 128, 257 };
348 	const float	indexWeights[]			= { 50, 50,  50,  50 };
349 	const int	offsets[]				= { 0,   1,   5,  12 };
350 	const float	offsetWeights[]			= { 50, 10,  10,  10 };
351 	const int	strides[]				= { 0,   7,  16,  17 };
352 	const float	strideWeights[]			= { 50, 10,  10,  10 };
353 	const int	instanceDivisors[]		= { 0,   1,   3, 129 };
354 	const float	instanceDivisorWeights[]= { 70, 30,  10,  10 };
355 
356 	const int	indirectOffsets[]		= { 0,   1,   2 };
357 	const float indirectOffsetWeigths[]	= { 2,   1,   1 };
358 	const int	baseVertices[]			= { 0,   1,  -2,   4,  3 };
359 	const float baseVertexWeigths[]		= { 4,   1,   1,   1,  1 };
360 
361 	gls::DrawTestSpec::Primitive primitives[] =
362 	{
363 		gls::DrawTestSpec::PRIMITIVE_POINTS,
364 		gls::DrawTestSpec::PRIMITIVE_TRIANGLES,
365 		gls::DrawTestSpec::PRIMITIVE_TRIANGLE_FAN,
366 		gls::DrawTestSpec::PRIMITIVE_TRIANGLE_STRIP,
367 		gls::DrawTestSpec::PRIMITIVE_LINES,
368 		gls::DrawTestSpec::PRIMITIVE_LINE_STRIP,
369 		gls::DrawTestSpec::PRIMITIVE_LINE_LOOP
370 	};
371 	const UniformWeightArray<DE_LENGTH_OF_ARRAY(primitives)> primitiveWeights;
372 
373 	gls::DrawTestSpec::DrawMethod drawMethods[] =
374 	{
375 		gls::DrawTestSpec::DRAWMETHOD_DRAWARRAYS_INDIRECT,
376 		gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_INDIRECT,
377 	};
378 	const UniformWeightArray<DE_LENGTH_OF_ARRAY(drawMethods)> drawMethodWeights;
379 
380 	gls::DrawTestSpec::IndexType indexTypes[] =
381 	{
382 		gls::DrawTestSpec::INDEXTYPE_BYTE,
383 		gls::DrawTestSpec::INDEXTYPE_SHORT,
384 		gls::DrawTestSpec::INDEXTYPE_INT,
385 	};
386 	const UniformWeightArray<DE_LENGTH_OF_ARRAY(indexTypes)> indexTypeWeights;
387 
388 	gls::DrawTestSpec::InputType inputTypes[] =
389 	{
390 		gls::DrawTestSpec::INPUTTYPE_FLOAT,
391 		gls::DrawTestSpec::INPUTTYPE_FIXED,
392 		gls::DrawTestSpec::INPUTTYPE_BYTE,
393 		gls::DrawTestSpec::INPUTTYPE_SHORT,
394 		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_BYTE,
395 		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_SHORT,
396 		gls::DrawTestSpec::INPUTTYPE_INT,
397 		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_INT,
398 		gls::DrawTestSpec::INPUTTYPE_HALF,
399 		gls::DrawTestSpec::INPUTTYPE_UNSIGNED_INT_2_10_10_10,
400 		gls::DrawTestSpec::INPUTTYPE_INT_2_10_10_10,
401 	};
402 	const UniformWeightArray<DE_LENGTH_OF_ARRAY(inputTypes)> inputTypeWeights;
403 
404 	gls::DrawTestSpec::OutputType outputTypes[] =
405 	{
406 		gls::DrawTestSpec::OUTPUTTYPE_FLOAT,
407 		gls::DrawTestSpec::OUTPUTTYPE_VEC2,
408 		gls::DrawTestSpec::OUTPUTTYPE_VEC3,
409 		gls::DrawTestSpec::OUTPUTTYPE_VEC4,
410 		gls::DrawTestSpec::OUTPUTTYPE_INT,
411 		gls::DrawTestSpec::OUTPUTTYPE_UINT,
412 		gls::DrawTestSpec::OUTPUTTYPE_IVEC2,
413 		gls::DrawTestSpec::OUTPUTTYPE_IVEC3,
414 		gls::DrawTestSpec::OUTPUTTYPE_IVEC4,
415 		gls::DrawTestSpec::OUTPUTTYPE_UVEC2,
416 		gls::DrawTestSpec::OUTPUTTYPE_UVEC3,
417 		gls::DrawTestSpec::OUTPUTTYPE_UVEC4,
418 	};
419 	const UniformWeightArray<DE_LENGTH_OF_ARRAY(outputTypes)> outputTypeWeights;
420 
421 	gls::DrawTestSpec::Usage usages[] =
422 	{
423 		gls::DrawTestSpec::USAGE_DYNAMIC_DRAW,
424 		gls::DrawTestSpec::USAGE_STATIC_DRAW,
425 		gls::DrawTestSpec::USAGE_STREAM_DRAW,
426 		gls::DrawTestSpec::USAGE_STREAM_READ,
427 		gls::DrawTestSpec::USAGE_STREAM_COPY,
428 		gls::DrawTestSpec::USAGE_STATIC_READ,
429 		gls::DrawTestSpec::USAGE_STATIC_COPY,
430 		gls::DrawTestSpec::USAGE_DYNAMIC_READ,
431 		gls::DrawTestSpec::USAGE_DYNAMIC_COPY,
432 	};
433 	const UniformWeightArray<DE_LENGTH_OF_ARRAY(usages)> usageWeights;
434 
435 	std::set<deUint32>	insertedHashes;
436 	size_t				insertedCount = 0;
437 
438 	for (int ndx = 0; ndx < numAttempts; ++ndx)
439 	{
440 		de::Random random(0xc551393 + ndx); // random does not depend on previous cases
441 
442 		int					attributeCount = random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(attribCounts), DE_ARRAY_END(attribCounts), attribWeights);
443 		int					drawCommandSize;
444 		gls::DrawTestSpec	spec;
445 
446 		spec.apiType				= glu::ApiType::es(3,1);
447 		spec.primitive				= random.chooseWeighted<gls::DrawTestSpec::Primitive>	(DE_ARRAY_BEGIN(primitives),		DE_ARRAY_END(primitives),		primitiveWeights.weights);
448 		spec.primitiveCount			= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(primitiveCounts),	DE_ARRAY_END(primitiveCounts),	primitiveCountWeights);
449 		spec.drawMethod				= random.chooseWeighted<gls::DrawTestSpec::DrawMethod>	(DE_ARRAY_BEGIN(drawMethods),		DE_ARRAY_END(drawMethods),		drawMethodWeights.weights);
450 
451 		if (spec.drawMethod == gls::DrawTestSpec::DRAWMETHOD_DRAWARRAYS_INDIRECT)
452 			drawCommandSize = sizeof(deUint32[4]);
453 		else if (spec.drawMethod == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_INDIRECT)
454 			drawCommandSize = sizeof(deUint32[5]);
455 		else
456 		{
457 			DE_ASSERT(DE_FALSE);
458 			return;
459 		}
460 
461 		spec.indexType				= random.chooseWeighted<gls::DrawTestSpec::IndexType>	(DE_ARRAY_BEGIN(indexTypes),		DE_ARRAY_END(indexTypes),		indexTypeWeights.weights);
462 		spec.indexPointerOffset		= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(indexOffsets),		DE_ARRAY_END(indexOffsets),		indexOffsetWeights);
463 		spec.indexStorage			= gls::DrawTestSpec::STORAGE_BUFFER;
464 		spec.first					= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(firsts),			DE_ARRAY_END(firsts),			firstWeights);
465 		spec.indexMin				= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(indexMins),			DE_ARRAY_END(indexMins),		indexWeights);
466 		spec.indexMax				= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(indexMaxs),			DE_ARRAY_END(indexMaxs),		indexWeights);
467 		spec.instanceCount			= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(instanceCounts),	DE_ARRAY_END(instanceCounts),	instanceWeights);
468 		spec.indirectOffset			= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(indirectOffsets),	DE_ARRAY_END(indirectOffsets),	indirectOffsetWeigths) * drawCommandSize;
469 		spec.baseVertex				= random.chooseWeighted<int, const int*, const float*>	(DE_ARRAY_BEGIN(baseVertices),		DE_ARRAY_END(baseVertices),		baseVertexWeigths);
470 
471 		// check spec is legal
472 		if (!spec.valid())
473 			continue;
474 
475 		for (int attrNdx = 0; attrNdx < attributeCount;)
476 		{
477 			bool valid;
478 			gls::DrawTestSpec::AttributeSpec attribSpec;
479 
480 			attribSpec.inputType			= random.chooseWeighted<gls::DrawTestSpec::InputType>	(DE_ARRAY_BEGIN(inputTypes),		DE_ARRAY_END(inputTypes),		inputTypeWeights.weights);
481 			attribSpec.outputType			= random.chooseWeighted<gls::DrawTestSpec::OutputType>	(DE_ARRAY_BEGIN(outputTypes),		DE_ARRAY_END(outputTypes),		outputTypeWeights.weights);
482 			attribSpec.storage				= gls::DrawTestSpec::STORAGE_BUFFER;
483 			attribSpec.usage				= random.chooseWeighted<gls::DrawTestSpec::Usage>		(DE_ARRAY_BEGIN(usages),			DE_ARRAY_END(usages),			usageWeights.weights);
484 			attribSpec.componentCount		= random.getInt(1, 4);
485 			attribSpec.offset				= random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(offsets), DE_ARRAY_END(offsets), offsetWeights);
486 			attribSpec.stride				= random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(strides), DE_ARRAY_END(strides), strideWeights);
487 			attribSpec.normalize			= random.getBool();
488 			attribSpec.instanceDivisor		= random.chooseWeighted<int, const int*, const float*>(DE_ARRAY_BEGIN(instanceDivisors), DE_ARRAY_END(instanceDivisors), instanceDivisorWeights);
489 			attribSpec.useDefaultAttribute	= random.getBool();
490 
491 			// check spec is legal
492 			valid = attribSpec.valid(spec.apiType);
493 
494 			// we do not want interleaved elements. (Might result in some weird floating point values)
495 			if (attribSpec.stride && attribSpec.componentCount * gls::DrawTestSpec::inputTypeSize(attribSpec.inputType) > attribSpec.stride)
496 				valid = false;
497 
498 			// try again if not valid
499 			if (valid)
500 			{
501 				spec.attribs.push_back(attribSpec);
502 				++attrNdx;
503 			}
504 		}
505 
506 		// Do not collapse all vertex positions to a single positions
507 		if (spec.primitive != gls::DrawTestSpec::PRIMITIVE_POINTS)
508 			spec.attribs[0].instanceDivisor = 0;
509 
510 		// Is render result meaningful?
511 		{
512 			// Only one vertex
513 			if (spec.drawMethod == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED && spec.indexMin == spec.indexMax && spec.primitive != gls::DrawTestSpec::PRIMITIVE_POINTS)
514 				continue;
515 			if (spec.attribs[0].useDefaultAttribute && spec.primitive != gls::DrawTestSpec::PRIMITIVE_POINTS)
516 				continue;
517 
518 			// Triangle only on one axis
519 			if (spec.primitive == gls::DrawTestSpec::PRIMITIVE_TRIANGLES || spec.primitive == gls::DrawTestSpec::PRIMITIVE_TRIANGLE_FAN || spec.primitive == gls::DrawTestSpec::PRIMITIVE_TRIANGLE_STRIP)
520 			{
521 				if (spec.attribs[0].componentCount == 1)
522 					continue;
523 				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)
524 					continue;
525 				if (spec.drawMethod == gls::DrawTestSpec::DRAWMETHOD_DRAWELEMENTS_RANGED && (spec.indexMax - spec.indexMin) < 2)
526 					continue;
527 			}
528 		}
529 
530 		// Add case
531 		{
532 			deUint32 hash = spec.hash();
533 			for (int attrNdx = 0; attrNdx < attributeCount; ++attrNdx)
534 				hash = (hash << 2) ^ (deUint32)spec.attribs[attrNdx].hash();
535 
536 			if (insertedHashes.find(hash) == insertedHashes.end())
537 			{
538 				// Only unaligned cases
539 				if (spec.isCompatibilityTest() == gls::DrawTestSpec::COMPATIBILITY_UNALIGNED_OFFSET ||
540 					spec.isCompatibilityTest() == gls::DrawTestSpec::COMPATIBILITY_UNALIGNED_STRIDE)
541 					this->addChild(new gls::DrawTest(m_testCtx, m_context.getRenderContext(), spec, de::toString(insertedCount).c_str(), spec.getDesc().c_str()));
542 				insertedHashes.insert(hash);
543 
544 				++insertedCount;
545 			}
546 		}
547 	}
548 }
549 
550 } // anonymous
551 
DrawTests(Context & context)552 DrawTests::DrawTests (Context& context)
553 	: TestCaseGroup(context, "draw_indirect", "Indirect drawing tests")
554 {
555 }
556 
~DrawTests(void)557 DrawTests::~DrawTests (void)
558 {
559 }
560 
init(void)561 void DrawTests::init (void)
562 {
563 	tcu::TestCaseGroup* const unalignedGroup	= new tcu::TestCaseGroup(m_testCtx, "unaligned_data", "Test with unaligned data");
564 	tcu::TestCaseGroup* const drawArraysGroup	= new tcu::TestCaseGroup(m_testCtx, "drawarrays", "draw arrays");
565 	tcu::TestCaseGroup* const drawElementsGroup	= new tcu::TestCaseGroup(m_testCtx, "drawelements", "draw elements");
566 
567 	addChild(unalignedGroup);
568 	addChild(drawArraysGroup);
569 	addChild(drawElementsGroup);
570 
571 	// .unaligned_data
572 	{
573 		unalignedGroup->addChild(new RandomGroup(m_context, "random", "random draw commands."));
574 	}
575 
576 	// .drawarrays
577 	{
578 		drawArraysGroup->addChild(new InvalidDrawCase(m_context, "data_over_bounds_with_count",			"Draw arrays vertex elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ARRAYS,	InvalidDrawCase::INVALID_DATA_COUNT));
579 		drawArraysGroup->addChild(new InvalidDrawCase(m_context, "data_over_bounds_with_first",			"Draw arrays vertex elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ARRAYS,	InvalidDrawCase::INVALID_DATA_FIRST));
580 		drawArraysGroup->addChild(new InvalidDrawCase(m_context, "data_over_bounds_with_primcount",		"Draw arrays vertex elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ARRAYS,	InvalidDrawCase::INVALID_DATA_INSTANCED));
581 		drawArraysGroup->addChild(new InvalidDrawCase(m_context, "reserved_non_zero",					"reservedMustBeZero is set to non-zero value",						InvalidDrawCase::DRAW_ARRAYS,	InvalidDrawCase::INVALID_RESERVED));
582 	}
583 
584 	// .drawelements
585 	{
586 		drawElementsGroup->addChild(new InvalidDrawCase(m_context, "data_over_bounds_with_count",		"Draw elements vertex elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ELEMENTS, InvalidDrawCase::INVALID_DATA_COUNT));
587 		drawElementsGroup->addChild(new InvalidDrawCase(m_context, "data_over_bounds_with_basevertex",	"Draw elements vertex elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ELEMENTS,	InvalidDrawCase::INVALID_DATA_FIRST));
588 		drawElementsGroup->addChild(new InvalidDrawCase(m_context, "data_over_bounds_with_indices",		"Draw elements vertex elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ELEMENTS,	InvalidDrawCase::INVALID_INDEX));
589 		drawElementsGroup->addChild(new InvalidDrawCase(m_context, "data_over_bounds_with_primcount",	"Draw elements vertex elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ELEMENTS,	InvalidDrawCase::INVALID_DATA_INSTANCED));
590 		drawElementsGroup->addChild(new InvalidDrawCase(m_context, "index_over_bounds_with_count",		"Draw elements index elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ELEMENTS,	InvalidDrawCase::INVALID_INDEX_COUNT));
591 		drawElementsGroup->addChild(new InvalidDrawCase(m_context, "index_over_bounds_with_firstindex",	"Draw elements index elements beyond the array end are accessed",	InvalidDrawCase::DRAW_ELEMENTS,	InvalidDrawCase::INVALID_INDEX_FIRST));
592 		drawElementsGroup->addChild(new InvalidDrawCase(m_context, "reserved_non_zero",					"reservedMustBeZero is set to non-zero value",						InvalidDrawCase::DRAW_ELEMENTS,	InvalidDrawCase::INVALID_RESERVED));
593 	}
594 }
595 
596 } // Stress
597 } // gles31
598 } // deqp