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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,
207 		contextSupports(ctx.getRenderContext().getType() , glu::ApiType::es(3, 2)) || contextSupports(ctx.getRenderContext().getType() , glu::ApiType::core(4, 5)),
208 		"Test requires a context version 3.2 or higher.");
209 
210 	static const char* const s_tests[] =
211 	{
212 		"int sampleId = gl_SampleID;",
213 		"vec2 samplePos = gl_SamplePosition;",
214 		"int sampleMaskIn0 = gl_SampleMaskIn[0];",
215 		"int sampleMask0 = gl_SampleMask[0];",
216 		"int numSamples = gl_NumSamples;",
217 	};
218 
219 	ctx.beginSection("GL_OES_sample_variables features require enabling the extension in 310 es shaders.");
220 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_tests); ++ndx)
221 	{
222 		std::ostringstream source;
223 		source <<	"#version 310 es\n"
224 					"precision mediump float;\n"
225 					"void main()\n"
226 					"{\n"
227 					"	" << s_tests[ndx] << "\n"
228 					"}\n";
229 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
230 	}
231 	ctx.endSection();
232 }
233 
shader_image_atomic(NegativeTestContext & ctx)234 void shader_image_atomic (NegativeTestContext& ctx)
235 {
236 	static const char* const s_tests[] =
237 	{
238 		"imageAtomicAdd(u_image, ivec2(1, 1), 1u);",
239 		"imageAtomicMin(u_image, ivec2(1, 1), 1u);",
240 		"imageAtomicMax(u_image, ivec2(1, 1), 1u);",
241 		"imageAtomicAnd(u_image, ivec2(1, 1), 1u);",
242 		"imageAtomicOr(u_image, ivec2(1, 1), 1u);",
243 		"imageAtomicXor(u_image, ivec2(1, 1), 1u);",
244 		"imageAtomicExchange(u_image, ivec2(1, 1), 1u);",
245 		"imageAtomicCompSwap(u_image, ivec2(1, 1), 1u, 1u);",
246 	};
247 
248 	ctx.beginSection("GL_OES_shader_image_atomic features require enabling the extension in 310 es shaders.");
249 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_tests); ++ndx)
250 	{
251 		std::ostringstream source;
252 		source <<	"#version 310 es\n"
253 					"layout(binding=0, r32ui) coherent uniform highp uimage2D u_image;\n"
254 					"precision mediump float;\n"
255 					"void main()\n"
256 					"{\n"
257 					"	" << s_tests[ndx] << "\n"
258 					"}\n";
259 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
260 	}
261 	ctx.endSection();
262 }
263 
shader_multisample_interpolation(NegativeTestContext & ctx)264 void shader_multisample_interpolation (NegativeTestContext& ctx)
265 {
266 	static const char* const s_sampleTests[] =
267 	{
268 		"sample in highp float v_var;",
269 		"sample out highp float v_var;"
270 	};
271 
272 	static const char* const s_interpolateAtTests[] =
273 	{
274 		"interpolateAtCentroid(interpolant);",
275 		"interpolateAtSample(interpolant, 1);",
276 		"interpolateAtOffset(interpolant, vec2(1.0, 0.0));"
277 	};
278 
279 	ctx.beginSection("GL_OES_shader_multisample_interpolation features require enabling the extension in 310 es shaders.");
280 	ctx.beginSection("Test sample in/out qualifiers.");
281 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_sampleTests); ++ndx)
282 	{
283 		std::ostringstream source;
284 		source <<	"#version 310 es\n"
285 					"	" << s_sampleTests[ndx] << "\n"
286 					"precision mediump float;\n"
287 					"void main()\n"
288 					"{\n"
289 					"}\n";
290 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
291 	}
292 	ctx.endSection();
293 
294 	ctx.beginSection("Test interpolateAt* functions.");
295 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_sampleTests); ++ndx)
296 	{
297 		std::ostringstream source;
298 		source <<	"#version 310 es\n"
299 					"in mediump float interpolant;\n"
300 					"precision mediump float;\n"
301 					"void main()\n"
302 					"{\n"
303 					"	" << s_interpolateAtTests[ndx] << "\n"
304 					"}\n";
305 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
306 	}
307 	ctx.endSection();
308 	ctx.endSection();
309 }
310 
texture_storage_multisample_2d_array(NegativeTestContext & ctx)311 void texture_storage_multisample_2d_array (NegativeTestContext& ctx)
312 {
313 	static const char* const s_samplerTypeTests[] =
314 	{
315 		"uniform mediump sampler2DMSArray u_sampler;",
316 		"uniform mediump isampler2DMSArray u_sampler;",
317 		"uniform mediump usampler2DMSArray u_sampler;",
318 	};
319 
320 	ctx.beginSection("GL_OES_texture_storage_multisample_2d_array features require enabling the extension in 310 es shaders.");
321 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_samplerTypeTests); ++ndx)
322 	{
323 		std::ostringstream source;
324 		source <<	"#version 310 es\n"
325 					"	" << s_samplerTypeTests[ndx] << "\n"
326 					"precision mediump float;\n"
327 					"void main()\n"
328 					"{\n"
329 					"}\n";
330 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
331 	}
332 	ctx.endSection();
333 }
334 
geometry_shader(NegativeTestContext & ctx)335 void geometry_shader (NegativeTestContext& ctx)
336 {
337 	if (ctx.isShaderSupported(glu::SHADERTYPE_GEOMETRY))
338 	{
339 		const std::string	simpleVtxFrag	=	"#version 310 es\n"
340 												"void main()\n"
341 												"{\n"
342 												"}\n";
343 		const std::string	geometry		=	"#version 310 es\n"
344 												"layout(points, invocations = 1) in;\n"
345 												"layout(points, max_vertices = 3) out;\n"
346 												"precision mediump float;\n"
347 												"void main()\n"
348 												"{\n"
349 												"	EmitVertex();\n"
350 												"	EndPrimitive();\n"
351 												"}\n";
352 		ctx.beginSection("GL_EXT_geometry_shader features require enabling the extension in 310 es shaders.");
353 		verifyProgram(ctx, glu::ProgramSources() << glu::VertexSource(simpleVtxFrag) << glu::GeometrySource(geometry) << glu::FragmentSource(simpleVtxFrag), EXPECT_RESULT_FAIL);
354 		ctx.endSection();
355 	}
356 }
357 
gpu_shader_5(NegativeTestContext & ctx)358 void gpu_shader_5 (NegativeTestContext& ctx)
359 {
360 	ctx.beginSection("GL_EXT_gpu_shader5 features require enabling the extension in 310 es shaders.");
361 	ctx.beginSection("Testing the precise qualifier.");
362 	{
363 		std::ostringstream source;
364 		source <<	"#version 310 es\n"
365 					"void main()\n"
366 					"{\n"
367 					"	int low = 0;\n"
368 					"	int high = 10;\n"
369 					"	precise int middle = low + ((high - low) / 2);\n"
370 					"}\n";
371 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
372 	}
373 	ctx.endSection();
374 
375 	ctx.beginSection("Testing fused multiply-add.");
376 	{
377 		std::ostringstream source;
378 		source <<	"#version 310 es\n"
379 					"in mediump float v_var;"
380 					"void main()\n"
381 					"{\n"
382 					"	float fmaResult = fma(v_var, v_var, v_var);"
383 					"}\n";
384 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
385 	}
386 	ctx.endSection();
387 
388 	ctx.beginSection("Testing textureGatherOffsets.");
389 	{
390 		std::ostringstream source;
391 		source <<	"#version 310 es\n"
392 					"uniform mediump sampler2D u_tex;\n"
393 					"void main()\n"
394 					"{\n"
395 					"	highp vec2 coords = vec2(0.0, 1.0);\n"
396 					"	const ivec2 offsets[4] = ivec2[](ivec2(0,0), ivec2(1, 0), ivec2(0, 1), ivec2(1, 1));\n"
397 					"	textureGatherOffsets(u_tex, coords, offsets);\n"
398 					"}\n";
399 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
400 	}
401 	ctx.endSection();
402 
403 	ctx.endSection();
404 }
405 
shader_io_blocks(NegativeTestContext & ctx)406 void shader_io_blocks (NegativeTestContext& ctx)
407 {
408 	ctx.beginSection("GL_EXT_shader_io_blocks features require enabling the extension in 310 es shaders.");
409 	{
410 		std::ostringstream source;
411 		source <<	"#version 310 es\n"
412 					"in Data\n"
413 					"{\n"
414 					"	mediump vec3 a;\n"
415 					"} data;\n"
416 					"void main()\n"
417 					"{\n"
418 					"}\n";
419 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
420 	}
421 	ctx.endSection();
422 }
423 
tessellation_shader(NegativeTestContext & ctx)424 void tessellation_shader (NegativeTestContext& ctx)
425 {
426 	if (ctx.isShaderSupported(glu::SHADERTYPE_TESSELLATION_CONTROL))
427 	{
428 		const std::string	simpleVtxFrag	=	"#version 310 es\n"
429 												"void main()\n"
430 												"{\n"
431 												"}\n";
432 		const std::string	tessControl		=	"#version 310 es\n"
433 												"layout(vertices = 3) out;\n"
434 												"void main()\n"
435 												"{\n"
436 												"}\n";
437 		const std::string	tessEvaluation	=	"#version 310 es\n"
438 												"layout(triangles, equal_spacing, cw) in;\n"
439 												"void main()\n"
440 												"{\n"
441 												"}\n";
442 		ctx.beginSection("GL_EXT_tessellation_shader features require enabling the extension in 310 es shaders.");
443 		glu::ProgramSources sources;
444 		sources << glu::VertexSource(simpleVtxFrag)
445 				<< glu::TessellationControlSource(tessControl)
446 				<< glu::TessellationEvaluationSource(tessEvaluation)
447 				<< glu::FragmentSource(simpleVtxFrag);
448 		verifyProgram(ctx, sources, EXPECT_RESULT_FAIL);
449 		ctx.endSection();
450 	}
451 }
452 
texture_buffer(NegativeTestContext & ctx)453 void texture_buffer (NegativeTestContext& ctx)
454 {
455 	static const char* const s_samplerBufferTypes[] =
456 	{
457 		"uniform mediump samplerBuffer",
458 	    "uniform mediump isamplerBuffer",
459 	    "uniform mediump usamplerBuffer",
460 	    "layout(rgba32f) uniform mediump writeonly imageBuffer",
461 	    "layout(rgba32i) uniform mediump writeonly iimageBuffer",
462 	    "layout(rgba32ui) uniform mediump writeonly uimageBuffer"
463 	};
464 
465 	ctx.beginSection("GL_EXT_texture_buffer features require enabling the extension in 310 es shaders.");
466 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_samplerBufferTypes); ++ndx)
467 	{
468 		std::ostringstream source;
469 		source <<	"#version 310 es\n"
470 					"" << s_samplerBufferTypes[ndx] << " u_buffer;\n"
471 					"void main()\n"
472 					"{\n"
473 					"}\n";
474 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
475 	}
476 	ctx.endSection();
477 }
478 
479 
texture_cube_map_array(NegativeTestContext & ctx)480 void texture_cube_map_array (NegativeTestContext& ctx)
481 {
482 	static const char* const s_samplerCubeArrayTypes[] =
483 	{
484 	    "uniform mediump samplerCubeArray",
485 	    "uniform mediump isamplerCubeArray",
486 	    "uniform mediump usamplerCubeArray",
487 	    "uniform mediump samplerCubeArrayShadow",
488 	    "layout(rgba32f) uniform mediump writeonly imageCubeArray",
489 	    "layout(rgba32i) uniform mediump writeonly iimageCubeArray",
490 	    "layout(rgba32ui) uniform mediump writeonly uimageCubeArray"
491 	};
492 
493 	ctx.beginSection("GL_EXT_texture_cube_map_array features require enabling the extension in 310 es shaders.");
494 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(s_samplerCubeArrayTypes); ++ndx)
495 	{
496 		std::ostringstream source;
497 		source <<	"#version 310 es\n"
498 					"" << s_samplerCubeArrayTypes[ndx] << " u_cube;\n"
499 					"void main()\n"
500 					"{\n"
501 					"}\n";
502 		verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, source.str(), EXPECT_RESULT_FAIL);
503 	}
504 	ctx.endSection();
505 }
506 
executeAccessingBoundingBoxType(NegativeTestContext & ctx,const std::string builtInTypeName,glu::GLSLVersion glslVersion)507 void executeAccessingBoundingBoxType (NegativeTestContext& ctx, const std::string builtInTypeName, glu::GLSLVersion glslVersion)
508 {
509 	std::ostringstream	sourceStream;
510 	std::string			version;
511 	std::string			extensionPrim;
512 	std::string			extensionTess;
513 
514 	if (glslVersion == glu::GLSL_VERSION_310_ES)
515 	{
516 		version = "#version 310 es\n";
517 		extensionPrim = "#extension GL_EXT_primitive_bounding_box : require\n";
518 		extensionTess = "#extension GL_EXT_tessellation_shader : require\n";
519 	}
520 	else if (glslVersion >= glu::GLSL_VERSION_320_ES)
521 	{
522 		version = "#version 320 es\n";
523 		extensionPrim = "";
524 		extensionTess = "";
525 	}
526 	else
527 	{
528 		DE_FATAL("error: context below 3.1 and not supported");
529 	}
530 
531 	ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in vertex shader");
532 	sourceStream	<< version
533 					<< extensionPrim
534 					<< "void main()\n"
535 					<< "{\n"
536 					<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
537 					<< "	gl_Position = " + builtInTypeName + "[0];\n"
538 					<< "}\n";
539 	verifyShader(ctx, glu::SHADERTYPE_VERTEX, sourceStream.str(), EXPECT_RESULT_FAIL);
540 	ctx.endSection();
541 
542 	sourceStream.str(std::string());
543 
544 	if (ctx.isShaderSupported(glu::SHADERTYPE_TESSELLATION_EVALUATION))
545 	{
546 		ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in tessellation evaluation shader");
547 		sourceStream	<< version
548 						<< extensionPrim
549 						<< extensionTess
550 						<< "layout (triangles, equal_spacing, ccw) in;\n"
551 						<< "void main()\n"
552 						<< "{\n"
553 						<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
554 						<< "	gl_Position = (	gl_TessCoord.x * " +  builtInTypeName + "[0] +\n"
555 						<< "					gl_TessCoord.y * " +  builtInTypeName + "[0] +\n"
556 						<< "					gl_TessCoord.z * " +  builtInTypeName + "[0]);\n"
557 						<< "}\n";
558 		verifyShader(ctx, glu::SHADERTYPE_TESSELLATION_EVALUATION, sourceStream.str(), EXPECT_RESULT_FAIL);
559 		ctx.endSection();
560 
561 		sourceStream.str(std::string());
562 	}
563 
564 	if (ctx.isShaderSupported(glu::SHADERTYPE_GEOMETRY))
565 	{
566 		ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in geometry shader");
567 		sourceStream	<< version
568 						<< extensionPrim
569 						<< "layout (triangles) in;\n"
570 						<< "layout (triangle_strip, max_vertices = 3) out;\n"
571 						<< "void main()\n"
572 						<< "{\n"
573 						<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
574 						<< "	for (int idx = 0; idx < 3; idx++)\n"
575 						<< "	{\n"
576 						<< "		gl_Position = gl_in[idx].gl_Position * " + builtInTypeName + "[0];\n"
577 						<< "		EmitVertex();\n"
578 						<< "	}\n"
579 						<< "	EndPrimitive();\n"
580 						<< "}\n";
581 		verifyShader(ctx, glu::SHADERTYPE_GEOMETRY, sourceStream.str(), EXPECT_RESULT_FAIL);
582 		ctx.endSection();
583 
584 		sourceStream.str(std::string());
585 	}
586 
587 	ctx.beginSection("cannot access built-in type " + builtInTypeName + "[]" + " in fragment shader");
588 	sourceStream	<< version
589 					<< extensionPrim
590 					<< "layout (location = 0) out mediump vec4 fs_colour;\n"
591 					<< "void main()\n"
592 					<< "{\n"
593 					<< "	" + builtInTypeName + "[0] = vec4(1.0, 1.0, 1.0, 1.0);\n"
594 					<< "	fs_colour = " + builtInTypeName + "[0];\n"
595 					<< "}\n";
596 	verifyShader(ctx, glu::SHADERTYPE_FRAGMENT, sourceStream.str(), EXPECT_RESULT_FAIL);
597 	ctx.endSection();
598 }
599 
accessing_bounding_box_type(NegativeTestContext & ctx)600 void accessing_bounding_box_type (NegativeTestContext& ctx)
601 {
602 	// Extension requirements and name differences depending on the context
603 	if ((ctx.getRenderContext().getType().getMajorVersion() == 3) && (ctx.getRenderContext().getType().getMinorVersion() == 1))
604 	{
605 		executeAccessingBoundingBoxType(ctx, "gl_BoundingBoxEXT", glu::GLSL_VERSION_310_ES);
606 	}
607 	else
608 	{
609 		executeAccessingBoundingBoxType(ctx, "gl_BoundingBox", glu::GLSL_VERSION_320_ES);
610 	}
611 
612 }
613 
614 } // anonymous
615 
getNegativeShaderDirectiveTestFunctions(void)616 std::vector<FunctionContainer> getNegativeShaderDirectiveTestFunctions (void)
617 {
618 	const FunctionContainer funcs[] =
619 	{
620 		{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."	},
621 		{blend_equation_advanced,				"blend_equation_advanced",				"GL_KHR_blend_equation_advanced is required in 310 es shaders to use AEP features"												},
622 		{sample_variables,						"sample_variables",						"GL_OES_sample_variables is required in 310 es shaders to use AEP features"														},
623 		{shader_image_atomic,					"shader_image_atomic",					"GL_OES_shader_image_atomic is required in 310 es shaders to use AEP features"													},
624 		{shader_multisample_interpolation,		"shader_multisample_interpolation",		"GL_OES_shader_multisample_interpolation is required in 310 es shaders to use AEP features"										},
625 		{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"									},
626 		{geometry_shader,						"geometry_shader",						"GL_EXT_geometry_shader is required in 310 es shaders to use AEP features"														},
627 		{gpu_shader_5,							"gpu_shader_5",							"GL_EXT_gpu_shader5 is required in 310 es shaders to use AEP features"															},
628 		{shader_io_blocks,						"shader_io_blocks",						"GL_EXT_shader_io_blocks is required in 310 es shaders to use AEP features"														},
629 		{tessellation_shader,					"tessellation_shader",					"GL_EXT_tessellation_shader is required in 310 es shaders to use AEP features"													},
630 		{texture_buffer,						"texture_buffer",						"GL_EXT_texture_buffer is required in 310 es shaders to use AEP features"														},
631 		{texture_cube_map_array,				"texture_cube_map_array",				"GL_EXT_texture_cube_map_array is required in 310 es shaders to use AEP features"												},
632 		{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"		},
633 	};
634 
635 	return std::vector<FunctionContainer>(DE_ARRAY_BEGIN(funcs), DE_ARRAY_END(funcs));
636 }
637 
638 } // NegativeTestShared
639 } // Functional
640 } // gles31
641 } // deqp
642