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1 /*-------------------------------------------------------------------------
2  * drawElements Quality Program OpenGL ES 3.1 Module
3  * -------------------------------------------------
4  *
5  * Copyright 2016 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 Negative Shader Directive Tests
22  *//*--------------------------------------------------------------------*/
23 
24 #include "es31fNegativeShaderDirectiveTests.hpp"
25 
26 #include "gluShaderProgram.hpp"
27 
28 namespace deqp
29 {
30 namespace gles31
31 {
32 namespace Functional
33 {
34 namespace NegativeTestShared
35 {
36 namespace
37 {
38 
39 enum ExpectResult
40 {
41 	EXPECT_RESULT_PASS = 0,
42 	EXPECT_RESULT_FAIL,
43 
44 	EXPECT_RESULT_LAST
45 };
46 
verifyProgram(NegativeTestContext & ctx,glu::ProgramSources sources,ExpectResult expect)47 void verifyProgram(NegativeTestContext& ctx, glu::ProgramSources sources, ExpectResult expect)
48 {
49 	DE_ASSERT(expect >= EXPECT_RESULT_PASS && expect < EXPECT_RESULT_LAST);
50 
51 	tcu::TestLog&				log			= ctx.getLog();
52 	const glu::ShaderProgram	program		(ctx.getRenderContext(), sources);
53 	bool						testFailed	= false;
54 	std::string					message;
55 
56 	log << program;
57 
58 	if (expect == EXPECT_RESULT_PASS)
59 	{
60 		testFailed = !program.getProgramInfo().linkOk;
61 		message = "Program did not link.";
62 	}
63 	else
64 	{
65 		testFailed = program.getProgramInfo().linkOk;
66 		message = "Program was not expected to link.";
67 	}
68 
69 	if (testFailed)
70 	{
71 		log << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
72 		ctx.fail(message);
73 	}
74 }
75 
verifyShader(NegativeTestContext & ctx,glu::ShaderType shaderType,std::string shaderSource,ExpectResult expect)76 void verifyShader(NegativeTestContext& ctx, glu::ShaderType shaderType, std::string shaderSource, ExpectResult expect)
77 {
78 	DE_ASSERT(expect >= EXPECT_RESULT_PASS && expect < EXPECT_RESULT_LAST);
79 
80 	tcu::TestLog&		log			= ctx.getLog();
81 	bool				testFailed	= false;
82 	const char* const	source		= shaderSource.c_str();
83 	const int			length		= (int) shaderSource.size();
84 	glu::Shader			shader		(ctx.getRenderContext(), shaderType);
85 	std::string			message;
86 
87 	shader.setSources(1, &source, &length);
88 	shader.compile();
89 
90 	log << shader;
91 
92 	if (expect == EXPECT_RESULT_PASS)
93 	{
94 		testFailed = !shader.getCompileStatus();
95 		message = "Shader did not compile.";
96 	}
97 	else
98 	{
99 		testFailed = shader.getCompileStatus();
100 		message = "Shader was not expected to compile.";
101 	}
102 
103 	if (testFailed)
104 	{
105 		log << tcu::TestLog::Message << message << tcu::TestLog::EndMessage;
106 		ctx.fail(message);
107 	}
108 }
109 
primitive_bounding_box(NegativeTestContext & ctx)110 void primitive_bounding_box (NegativeTestContext& ctx)
111 {
112 	if (ctx.isShaderSupported(glu::SHADERTYPE_TESSELLATION_CONTROL))
113 	{
114 		ctx.beginSection("GL_EXT_primitive_bounding_box features require enabling the extension in 310 es shaders.");
115 		std::ostringstream source;
116 		source <<	"#version 310 es\n"
117 					"void main()\n"
118 					"{\n"
119 					"	gl_BoundingBoxEXT[0] = vec4(0.0, 0.0, 0.0, 0.0);\n"
120 					"	gl_BoundingBoxEXT[1] = vec4(1.0, 1.0, 1.0, 1.0);\n"
121 					"}\n";
122 		verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_CONTROL, source.str(), EXPECT_RESULT_FAIL);
123 		ctx.endSection();
124 	}
125 
126 	if (contextSupports(ctx.getRenderContext().getType() , glu::ApiType::es(3, 2)))
127 	{
128 		ctx.beginSection("gl_BoundingBox does not require the OES/EXT suffix in a 320 es shader.");
129 		{
130 			const std::string source =	"#version 320 es\n"
131 										"layout(vertices = 3) out;\n"
132 										"void main()\n"
133 										"{\n"
134 										"	gl_BoundingBox[0] = vec4(0.0, 0.0, 0.0, 0.0);\n"
135 										"	gl_BoundingBox[1] = vec4(0.0, 0.0, 0.0, 0.0);\n"
136 										"}\n";
137 			verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_CONTROL, source, EXPECT_RESULT_PASS);
138 		}
139 		ctx.endSection();
140 
141 		ctx.beginSection("Invalid index used when assigning to gl_BoundingBox in 320 es shader.");
142 		{
143 			const std::string source =	"#version 320 es\n"
144 										"layout(vertices = 3) out;\n"
145 										"void main()\n"
146 										"{\n"
147 										"	gl_BoundingBox[0] = vec4(0.0, 0.0, 0.0, 0.0);\n"
148 										"	gl_BoundingBox[2] = vec4(0.0, 0.0, 0.0, 0.0);\n"
149 										"}\n";
150 			verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_CONTROL, source, EXPECT_RESULT_FAIL);
151 		}
152 		ctx.endSection();
153 
154 		ctx.beginSection("Invalid type assignment to per-patch output array in 320 es shader.");
155 		{
156 			const std::string source =	"#version 320 es\n"
157 										"layout(vertices = 3) out;\n"
158 										"void main()\n"
159 										"{\n"
160 										"	gl_BoundingBox[0] = ivec4(0, 0, 0, 0);\n"
161 										"	gl_BoundingBox[1] = ivec4(0, 0, 0, 0);\n"
162 										"}\n";
163 			verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_CONTROL, source, EXPECT_RESULT_FAIL);
164 		}
165 		ctx.endSection();
166 	}
167 }
168 
blend_equation_advanced(NegativeTestContext & ctx)169 void blend_equation_advanced (NegativeTestContext& ctx)
170 {
171 	static const char* const s_qualifiers[] =
172 	{
173 		"blend_support_multiply",
174 		"blend_support_screen",
175 		"blend_support_overlay",
176 		"blend_support_darken",
177 		"blend_support_lighten",
178 		"blend_support_colordodge",
179 		"blend_support_colorburn",
180 		"blend_support_hardlight",
181 		"blend_support_softlight",
182 		"blend_support_difference",
183 		"blend_support_exclusion",
184 		"blend_support_hsl_hue",
185 		"blend_support_hsl_saturation",
186 		"blend_support_hsl_color",
187 		"blend_support_hsl_luminosity",
188 	};
189 
190 	ctx.beginSection("GL_KHR_blend_equation_advanced features require enabling the extension in 310 es shaders.");
191 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_qualifiers); ++ndx)
192 	{
193 		std::ostringstream source;
194 		source <<	"#version 310 es\n"
195 					"layout(" << s_qualifiers[ndx] << ") out;\n"
196 					"void main()\n"
197 					"{\n"
198 					"}\n";
199 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
200 	}
201 	ctx.endSection();
202 }
203 
sample_variables(NegativeTestContext & ctx)204 void sample_variables (NegativeTestContext& ctx)
205 {
206 	TCU_CHECK_AND_THROW(NotSupportedError, contextSupports(ctx.getRenderContext().getType() , glu::ApiType::es(3, 2)), "Test requires a context version 3.2 or higher.");
207 
208 	static const char* const s_tests[] =
209 	{
210 		"int sampleId = gl_SampleID;",
211 		"vec2 samplePos = gl_SamplePosition;",
212 		"int sampleMaskIn0 = gl_SampleMaskIn[0];",
213 		"int sampleMask0 = gl_SampleMask[0];",
214 		"int numSamples = gl_NumSamples;",
215 	};
216 
217 	ctx.beginSection("GL_OES_sample_variables features require enabling the extension in 310 es shaders.");
218 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_tests); ++ndx)
219 	{
220 		std::ostringstream source;
221 		source <<	"#version 310 es\n"
222 					"precision mediump float;\n"
223 					"void main()\n"
224 					"{\n"
225 					"	" << s_tests[ndx] << "\n"
226 					"}\n";
227 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
228 	}
229 	ctx.endSection();
230 }
231 
shader_image_atomic(NegativeTestContext & ctx)232 void shader_image_atomic (NegativeTestContext& ctx)
233 {
234 	static const char* const s_tests[] =
235 	{
236 		"imageAtomicAdd(u_image, ivec2(1, 1), 1u);",
237 		"imageAtomicMin(u_image, ivec2(1, 1), 1u);",
238 		"imageAtomicMax(u_image, ivec2(1, 1), 1u);",
239 		"imageAtomicAnd(u_image, ivec2(1, 1), 1u);",
240 		"imageAtomicOr(u_image, ivec2(1, 1), 1u);",
241 		"imageAtomicXor(u_image, ivec2(1, 1), 1u);",
242 		"imageAtomicExchange(u_image, ivec2(1, 1), 1u);",
243 		"imageAtomicCompSwap(u_image, ivec2(1, 1), 1u, 1u);",
244 	};
245 
246 	ctx.beginSection("GL_OES_shader_image_atomic features require enabling the extension in 310 es shaders.");
247 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_tests); ++ndx)
248 	{
249 		std::ostringstream source;
250 		source <<	"#version 310 es\n"
251 					"layout(binding=0, r32ui) coherent uniform highp uimage2D u_image;\n"
252 					"precision mediump float;\n"
253 					"void main()\n"
254 					"{\n"
255 					"	" << s_tests[ndx] << "\n"
256 					"}\n";
257 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
258 	}
259 	ctx.endSection();
260 }
261 
shader_multisample_interpolation(NegativeTestContext & ctx)262 void shader_multisample_interpolation (NegativeTestContext& ctx)
263 {
264 	static const char* const s_sampleTests[] =
265 	{
266 		"sample in highp float v_var;",
267 		"sample out highp float v_var;"
268 	};
269 
270 	static const char* const s_interpolateAtTests[] =
271 	{
272 		"interpolateAtCentroid(interpolant);",
273 		"interpolateAtSample(interpolant, 1);",
274 		"interpolateAtOffset(interpolant, vec2(1.0, 0.0));"
275 	};
276 
277 	ctx.beginSection("GL_OES_shader_multisample_interpolation features require enabling the extension in 310 es shaders.");
278 	ctx.beginSection("Test sample in/out qualifiers.");
279 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_sampleTests); ++ndx)
280 	{
281 		std::ostringstream source;
282 		source <<	"#version 310 es\n"
283 					"	" << s_sampleTests[ndx] << "\n"
284 					"precision mediump float;\n"
285 					"void main()\n"
286 					"{\n"
287 					"}\n";
288 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
289 	}
290 	ctx.endSection();
291 
292 	ctx.beginSection("Test interpolateAt* functions.");
293 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_sampleTests); ++ndx)
294 	{
295 		std::ostringstream source;
296 		source <<	"#version 310 es\n"
297 					"in mediump float interpolant;\n"
298 					"precision mediump float;\n"
299 					"void main()\n"
300 					"{\n"
301 					"	" << s_interpolateAtTests[ndx] << "\n"
302 					"}\n";
303 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
304 	}
305 	ctx.endSection();
306 	ctx.endSection();
307 }
308 
texture_storage_multisample_2d_array(NegativeTestContext & ctx)309 void texture_storage_multisample_2d_array (NegativeTestContext& ctx)
310 {
311 	static const char* const s_samplerTypeTests[] =
312 	{
313 		"uniform mediump sampler2DMSArray u_sampler;",
314 		"uniform mediump isampler2DMSArray u_sampler;",
315 		"uniform mediump usampler2DMSArray u_sampler;",
316 	};
317 
318 	ctx.beginSection("GL_OES_texture_storage_multisample_2d_array features require enabling the extension in 310 es shaders.");
319 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_samplerTypeTests); ++ndx)
320 	{
321 		std::ostringstream source;
322 		source <<	"#version 310 es\n"
323 					"	" << s_samplerTypeTests[ndx] << "\n"
324 					"precision mediump float;\n"
325 					"void main()\n"
326 					"{\n"
327 					"}\n";
328 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
329 	}
330 	ctx.endSection();
331 }
332 
geometry_shader(NegativeTestContext & ctx)333 void geometry_shader (NegativeTestContext& ctx)
334 {
335 	if (ctx.isShaderSupported(glu::SHADERTYPE_GEOMETRY))
336 	{
337 		const std::string	simpleVtxFrag	=	"#version 310 es\n"
338 												"void main()\n"
339 												"{\n"
340 												"}\n";
341 		const std::string	geometry		=	"#version 310 es\n"
342 												"layout(points, invocations = 1) in;\n"
343 												"layout(points, max_vertices = 3) out;\n"
344 												"precision mediump float;\n"
345 												"void main()\n"
346 												"{\n"
347 												"	EmitVertex();\n"
348 												"	EndPrimitive();\n"
349 												"}\n";
350 		ctx.beginSection("GL_EXT_geometry_shader features require enabling the extension in 310 es shaders.");
351 		verifyProgram(ctx, glu::ProgramSources() << glu::VertexSource(simpleVtxFrag) << glu::GeometrySource(geometry) << glu::FragmentSource(simpleVtxFrag), EXPECT_RESULT_FAIL);
352 		ctx.endSection();
353 	}
354 }
355 
gpu_shader_5(NegativeTestContext & ctx)356 void gpu_shader_5 (NegativeTestContext& ctx)
357 {
358 	ctx.beginSection("GL_EXT_gpu_shader5 features require enabling the extension in 310 es shaders.");
359 	ctx.beginSection("Testing the precise qualifier.");
360 	{
361 		std::ostringstream source;
362 		source <<	"#version 310 es\n"
363 					"void main()\n"
364 					"{\n"
365 					"	int low = 0;\n"
366 					"	int high = 10;\n"
367 					"	precise int middle = low + ((high - low) / 2);\n"
368 					"}\n";
369 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
370 	}
371 	ctx.endSection();
372 
373 	ctx.beginSection("Testing fused multiply-add.");
374 	{
375 		std::ostringstream source;
376 		source <<	"#version 310 es\n"
377 					"in mediump float v_var;"
378 					"void main()\n"
379 					"{\n"
380 					"	float fmaResult = fma(v_var, v_var, v_var);"
381 					"}\n";
382 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
383 	}
384 	ctx.endSection();
385 
386 	ctx.beginSection("Testing textureGatherOffsets.");
387 	{
388 		std::ostringstream source;
389 		source <<	"#version 310 es\n"
390 					"uniform mediump sampler2D u_tex;\n"
391 					"void main()\n"
392 					"{\n"
393 					"	highp vec2 coords = vec2(0.0, 1.0);\n"
394 					"	const ivec2 offsets[4] = ivec2[](ivec2(0,0), ivec2(1, 0), ivec2(0, 1), ivec2(1, 1));\n"
395 					"	textureGatherOffsets(u_tex, coords, offsets);\n"
396 					"}\n";
397 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
398 	}
399 	ctx.endSection();
400 
401 	ctx.endSection();
402 }
403 
shader_io_blocks(NegativeTestContext & ctx)404 void shader_io_blocks (NegativeTestContext& ctx)
405 {
406 	ctx.beginSection("GL_EXT_shader_io_blocks features require enabling the extension in 310 es shaders.");
407 	{
408 		std::ostringstream source;
409 		source <<	"#version 310 es\n"
410 					"in Data\n"
411 					"{\n"
412 					"	mediump vec3 a;\n"
413 					"} data;\n"
414 					"void main()\n"
415 					"{\n"
416 					"}\n";
417 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
418 	}
419 	ctx.endSection();
420 }
421 
tessellation_shader(NegativeTestContext & ctx)422 void tessellation_shader (NegativeTestContext& ctx)
423 {
424 	if (ctx.isShaderSupported(glu::SHADERTYPE_TESSELLATION_CONTROL))
425 	{
426 		const std::string	simpleVtxFrag	=	"#version 310 es\n"
427 												"void main()\n"
428 												"{\n"
429 												"}\n";
430 		const std::string	tessControl		=	"#version 310 es\n"
431 												"layout(vertices = 3) out;\n"
432 												"void main()\n"
433 												"{\n"
434 												"}\n";
435 		const std::string	tessEvaluation	=	"#version 310 es\n"
436 												"layout(triangles, equal_spacing, cw) in;\n"
437 												"void main()\n"
438 												"{\n"
439 												"}\n";
440 		ctx.beginSection("GL_EXT_tessellation_shader features require enabling the extension in 310 es shaders.");
441 		glu::ProgramSources sources;
442 		sources << glu::VertexSource(simpleVtxFrag)
443 				<< glu::TessellationControlSource(tessControl)
444 				<< glu::TessellationEvaluationSource(tessEvaluation)
445 				<< glu::FragmentSource(simpleVtxFrag);
446 		verifyProgram(ctx, sources, EXPECT_RESULT_FAIL);
447 		ctx.endSection();
448 	}
449 }
450 
texture_buffer(NegativeTestContext & ctx)451 void texture_buffer (NegativeTestContext& ctx)
452 {
453 	static const char* const s_samplerBufferTypes[] =
454 	{
455 		"uniform mediump samplerBuffer",
456 	    "uniform mediump isamplerBuffer",
457 	    "uniform mediump usamplerBuffer",
458 	    "layout(rgba32f) uniform mediump writeonly imageBuffer",
459 	    "layout(rgba32i) uniform mediump writeonly iimageBuffer",
460 	    "layout(rgba32ui) uniform mediump writeonly uimageBuffer"
461 	};
462 
463 	ctx.beginSection("GL_EXT_texture_buffer features require enabling the extension in 310 es shaders.");
464 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_samplerBufferTypes); ++ndx)
465 	{
466 		std::ostringstream source;
467 		source <<	"#version 310 es\n"
468 					"" << s_samplerBufferTypes[ndx] << " u_buffer;\n"
469 					"void main()\n"
470 					"{\n"
471 					"}\n";
472 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
473 	}
474 	ctx.endSection();
475 }
476 
477 
texture_cube_map_array(NegativeTestContext & ctx)478 void texture_cube_map_array (NegativeTestContext& ctx)
479 {
480 	static const char* const s_samplerCubeArrayTypes[] =
481 	{
482 	    "uniform mediump samplerCubeArray",
483 	    "uniform mediump isamplerCubeArray",
484 	    "uniform mediump usamplerCubeArray",
485 	    "uniform mediump samplerCubeArrayShadow",
486 	    "layout(rgba32f) uniform mediump writeonly imageCubeArray",
487 	    "layout(rgba32i) uniform mediump writeonly iimageCubeArray",
488 	    "layout(rgba32ui) uniform mediump writeonly uimageCubeArray"
489 	};
490 
491 	ctx.beginSection("GL_EXT_texture_cube_map_array features require enabling the extension in 310 es shaders.");
492 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_samplerCubeArrayTypes); ++ndx)
493 	{
494 		std::ostringstream source;
495 		source <<	"#version 310 es\n"
496 					"" << s_samplerCubeArrayTypes[ndx] << " u_cube;\n"
497 					"void main()\n"
498 					"{\n"
499 					"}\n";
500 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
501 	}
502 	ctx.endSection();
503 }
504 
executeAccessingBoundingBoxType(NegativeTestContext & ctx,const std::string builtInTypeName,glu::GLSLVersion glslVersion)505 void executeAccessingBoundingBoxType (NegativeTestContext& ctx, const std::string builtInTypeName, glu::GLSLVersion glslVersion)
506 {
507 	std::ostringstream	sourceStream;
508 	std::string			version;
509 	std::string			extensionPrim;
510 	std::string			extensionTess;
511 
512 	if (glslVersion == glu::GLSL_VERSION_310_ES)
513 	{
514 		version = "#version 310 es\n";
515 		extensionPrim = "#extension GL_EXT_primitive_bounding_box : require\n";
516 		extensionTess = "#extension GL_EXT_tessellation_shader : require\n";
517 	}
518 	else if (glslVersion >= glu::GLSL_VERSION_320_ES)
519 	{
520 		version = "#version 320 es\n";
521 		extensionPrim = "";
522 		extensionTess = "";
523 	}
524 	else
525 	{
526 		DE_FATAL("error: context below 3.1 and not supported");
527 	}
528 
529 	ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in vertex shader");
530 	sourceStream	<< version
531 					<< extensionPrim
532 					<< "void main()\n"
533 					<< "{\n"
534 					<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
535 					<< "	gl_Position = " + builtInTypeName + "[0];\n"
536 					<< "}\n";
537 	verifyShader(ctx, glu::SHADERTYPE_VERTEX, sourceStream.str(), EXPECT_RESULT_FAIL);
538 	ctx.endSection();
539 
540 	sourceStream.str(std::string());
541 
542 	if (ctx.isShaderSupported(glu::SHADERTYPE_TESSELLATION_EVALUATION))
543 	{
544 		ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in tessellation evaluation shader");
545 		sourceStream	<< version
546 						<< extensionPrim
547 						<< extensionTess
548 						<< "layout (triangles, equal_spacing, ccw) in;\n"
549 						<< "void main()\n"
550 						<< "{\n"
551 						<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
552 						<< "	gl_Position = (	gl_TessCoord.x * " +  builtInTypeName + "[0] +\n"
553 						<< "					gl_TessCoord.y * " +  builtInTypeName + "[0] +\n"
554 						<< "					gl_TessCoord.z * " +  builtInTypeName + "[0]);\n"
555 						<< "}\n";
556 		verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_EVALUATION, sourceStream.str(), EXPECT_RESULT_FAIL);
557 		ctx.endSection();
558 
559 		sourceStream.str(std::string());
560 	}
561 
562 	if (ctx.isShaderSupported(glu::SHADERTYPE_GEOMETRY))
563 	{
564 		ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in geometry shader");
565 		sourceStream	<< version
566 						<< extensionPrim
567 						<< "layout (triangles) in;\n"
568 						<< "layout (triangle_strip, max_vertices = 3) out;\n"
569 						<< "void main()\n"
570 						<< "{\n"
571 						<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
572 						<< "	for (int idx = 0; idx < 3; idx++)\n"
573 						<< "	{\n"
574 						<< "		gl_Position = gl_in[idx].gl_Position * " + builtInTypeName + "[0];\n"
575 						<< "		EmitVertex();\n"
576 						<< "	}\n"
577 						<< "	EndPrimitive();\n"
578 						<< "}\n";
579 		verifyShader(ctx, glu::SHADERTYPE_GEOMETRY, sourceStream.str(), EXPECT_RESULT_FAIL);
580 		ctx.endSection();
581 
582 		sourceStream.str(std::string());
583 	}
584 
585 	ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in fragment shader");
586 	sourceStream	<< version
587 					<< extensionPrim
588 					<< "layout (location = 0) out mediump vec4 fs_colour;\n"
589 					<< "void main()\n"
590 					<< "{\n"
591 					<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
592 					<< "	fs_colour = " + builtInTypeName + "[0];\n"
593 					<< "}\n";
594 	verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, sourceStream.str(), EXPECT_RESULT_FAIL);
595 	ctx.endSection();
596 }
597 
accessing_bounding_box_type(NegativeTestContext & ctx)598 void accessing_bounding_box_type (NegativeTestContext& ctx)
599 {
600 	// Extension requirements and name differences depending on the context
601 	if ((ctx.getRenderContext().getType().getMajorVersion() == 3) && (ctx.getRenderContext().getType().getMinorVersion() == 1))
602 	{
603 		executeAccessingBoundingBoxType(ctx, "gl_BoundingBoxEXT", glu::GLSL_VERSION_310_ES);
604 	}
605 	else
606 	{
607 		executeAccessingBoundingBoxType(ctx, "gl_BoundingBox", glu::GLSL_VERSION_320_ES);
608 	}
609 
610 }
611 
612 } // anonymous
613 
getNegativeShaderDirectiveTestFunctions(void)614 std::vector<FunctionContainer> getNegativeShaderDirectiveTestFunctions (void)
615 {
616 	const FunctionContainer funcs[] =
617 	{
618 		{primitive_bounding_box,				"primitive_bounding_box",				"GL_EXT_primitive_bounding_box required in 310 es shaders to use AEP features. Version 320 es shaders do not require suffixes."	},
619 		{blend_equation_advanced,				"blend_equation_advanced",				"GL_KHR_blend_equation_advanced is required in 310 es shaders to use AEP features"												},
620 		{sample_variables,						"sample_variables",						"GL_OES_sample_variables is required in 310 es shaders to use AEP features"														},
621 		{shader_image_atomic,					"shader_image_atomic",					"GL_OES_shader_image_atomic is required in 310 es shaders to use AEP features"													},
622 		{shader_multisample_interpolation,		"shader_multisample_interpolation",		"GL_OES_shader_multisample_interpolation is required in 310 es shaders to use AEP features"										},
623 		{texture_storage_multisample_2d_array,	"texture_storage_multisample_2d_array",	"GL_OES_texture_storage_multisample_2d_array is required in 310 es shaders to use AEP features"									},
624 		{geometry_shader,						"geometry_shader",						"GL_EXT_geometry_shader is required in 310 es shaders to use AEP features"														},
625 		{gpu_shader_5,							"gpu_shader_5",							"GL_EXT_gpu_shader5 is required in 310 es shaders to use AEP features"															},
626 		{shader_io_blocks,						"shader_io_blocks",						"GL_EXT_shader_io_blocks is required in 310 es shaders to use AEP features"														},
627 		{tessellation_shader,					"tessellation_shader",					"GL_EXT_tessellation_shader is required in 310 es shaders to use AEP features"													},
628 		{texture_buffer,						"texture_buffer",						"GL_EXT_texture_buffer is required in 310 es shaders to use AEP features"														},
629 		{texture_cube_map_array,				"texture_cube_map_array",				"GL_EXT_texture_cube_map_array is required in 310 es shaders to use AEP features"												},
630 		{accessing_bounding_box_type,			"accessing_bounding_box_type",			"Should not be able to access gl_BoundingBoxEXT[] and gl_BoundingBox[] in shaders other than tess control and evaluation"		},
631 	};
632 
633 	return std::vector<FunctionContainer>(DE_ARRAY_BEGIN(funcs), DE_ARRAY_END(funcs));
634 }
635 
636 } // NegativeTestShared
637 } // Functional
638 } // gles31
639 } // deqp
640