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1 /*------------------------------------------------------------------------
2  * Vulkan Conformance Tests
3  * ------------------------
4  *
5  * Copyright (c) 2015 The Khronos Group Inc.
6  * Copyright (c) 2015 Imagination Technologies Ltd.
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 Utilities for vertex buffers.
23  *//*--------------------------------------------------------------------*/
24 
25 #include "vktPipelineVertexUtil.hpp"
26 #include "vkStrUtil.hpp"
27 #include "tcuVectorUtil.hpp"
28 #include "deStringUtil.hpp"
29 
30 namespace vkt
31 {
32 namespace pipeline
33 {
34 
35 using namespace vk;
36 
getVertexFormatSize(VkFormat format)37 deUint32 getVertexFormatSize (VkFormat format)
38 {
39 	switch (format)
40 	{
41 		case VK_FORMAT_R8_UNORM:
42 		case VK_FORMAT_R8_SNORM:
43 		case VK_FORMAT_R8_USCALED:
44 		case VK_FORMAT_R8_SSCALED:
45 		case VK_FORMAT_R8_UINT:
46 		case VK_FORMAT_R8_SINT:
47 		case VK_FORMAT_R8_SRGB:
48 		case VK_FORMAT_R4G4_UNORM_PACK8:
49 			return 1;
50 
51 		case VK_FORMAT_R8G8_UNORM:
52 		case VK_FORMAT_R8G8_SNORM:
53 		case VK_FORMAT_R8G8_USCALED:
54 		case VK_FORMAT_R8G8_SSCALED:
55 		case VK_FORMAT_R8G8_UINT:
56 		case VK_FORMAT_R8G8_SINT:
57 		case VK_FORMAT_R8G8_SRGB:
58 		case VK_FORMAT_R16_UNORM:
59 		case VK_FORMAT_R16_SNORM:
60 		case VK_FORMAT_R16_USCALED:
61 		case VK_FORMAT_R16_SSCALED:
62 		case VK_FORMAT_R16_UINT:
63 		case VK_FORMAT_R16_SINT:
64 		case VK_FORMAT_R16_SFLOAT:
65 		case VK_FORMAT_R5G6B5_UNORM_PACK16:
66 		case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
67 			return 2;
68 
69 		case VK_FORMAT_R8G8B8_UNORM:
70 		case VK_FORMAT_R8G8B8_SNORM:
71 		case VK_FORMAT_R8G8B8_USCALED:
72 		case VK_FORMAT_R8G8B8_SSCALED:
73 		case VK_FORMAT_R8G8B8_UINT:
74 		case VK_FORMAT_R8G8B8_SINT:
75 		case VK_FORMAT_R8G8B8_SRGB:
76 		case VK_FORMAT_B8G8R8_UNORM:
77 		case VK_FORMAT_B8G8R8_SNORM:
78 		case VK_FORMAT_B8G8R8_USCALED:
79 		case VK_FORMAT_B8G8R8_SSCALED:
80 		case VK_FORMAT_B8G8R8_UINT:
81 		case VK_FORMAT_B8G8R8_SINT:
82 		case VK_FORMAT_B8G8R8_SRGB:
83 			return 3;
84 
85 		case VK_FORMAT_R8G8B8A8_UNORM:
86 		case VK_FORMAT_R8G8B8A8_SNORM:
87 		case VK_FORMAT_R8G8B8A8_USCALED:
88 		case VK_FORMAT_R8G8B8A8_SSCALED:
89 		case VK_FORMAT_R8G8B8A8_UINT:
90 		case VK_FORMAT_R8G8B8A8_SINT:
91 		case VK_FORMAT_R8G8B8A8_SRGB:
92 		case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
93 		case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
94 		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
95 		case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
96 		case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
97 		case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
98 		case VK_FORMAT_A2R10G10B10_UINT_PACK32:
99 		case VK_FORMAT_A2R10G10B10_SINT_PACK32:
100 		case VK_FORMAT_R16G16_UNORM:
101 		case VK_FORMAT_R16G16_SNORM:
102 		case VK_FORMAT_R16G16_USCALED:
103 		case VK_FORMAT_R16G16_SSCALED:
104 		case VK_FORMAT_R16G16_UINT:
105 		case VK_FORMAT_R16G16_SINT:
106 		case VK_FORMAT_R16G16_SFLOAT:
107 		case VK_FORMAT_R32_UINT:
108 		case VK_FORMAT_R32_SINT:
109 		case VK_FORMAT_R32_SFLOAT:
110 		case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
111 		case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
112 		case VK_FORMAT_B8G8R8A8_UNORM:
113 		case VK_FORMAT_B8G8R8A8_SNORM:
114 		case VK_FORMAT_B8G8R8A8_USCALED:
115 		case VK_FORMAT_B8G8R8A8_SSCALED:
116 		case VK_FORMAT_B8G8R8A8_UINT:
117 		case VK_FORMAT_B8G8R8A8_SINT:
118 		case VK_FORMAT_B8G8R8A8_SRGB:
119 		case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
120 		case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
121 		case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
122 		case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
123 		case VK_FORMAT_A2B10G10R10_UINT_PACK32:
124 		case VK_FORMAT_A2B10G10R10_SINT_PACK32:
125 			return 4;
126 
127 		case VK_FORMAT_R16G16B16_UNORM:
128 		case VK_FORMAT_R16G16B16_SNORM:
129 		case VK_FORMAT_R16G16B16_USCALED:
130 		case VK_FORMAT_R16G16B16_SSCALED:
131 		case VK_FORMAT_R16G16B16_UINT:
132 		case VK_FORMAT_R16G16B16_SINT:
133 		case VK_FORMAT_R16G16B16_SFLOAT:
134 			return 6;
135 
136 		case VK_FORMAT_R16G16B16A16_UNORM:
137 		case VK_FORMAT_R16G16B16A16_SNORM:
138 		case VK_FORMAT_R16G16B16A16_USCALED:
139 		case VK_FORMAT_R16G16B16A16_SSCALED:
140 		case VK_FORMAT_R16G16B16A16_UINT:
141 		case VK_FORMAT_R16G16B16A16_SINT:
142 		case VK_FORMAT_R16G16B16A16_SFLOAT:
143 		case VK_FORMAT_R32G32_UINT:
144 		case VK_FORMAT_R32G32_SINT:
145 		case VK_FORMAT_R32G32_SFLOAT:
146 		case VK_FORMAT_R64_SFLOAT:
147 			return 8;
148 
149 		case VK_FORMAT_R32G32B32_UINT:
150 		case VK_FORMAT_R32G32B32_SINT:
151 		case VK_FORMAT_R32G32B32_SFLOAT:
152 			return 12;
153 
154 		case VK_FORMAT_R32G32B32A32_UINT:
155 		case VK_FORMAT_R32G32B32A32_SINT:
156 		case VK_FORMAT_R32G32B32A32_SFLOAT:
157 		case VK_FORMAT_R64G64_SFLOAT:
158 			return 16;
159 
160 		case VK_FORMAT_R64G64B64_SFLOAT:
161 			return 24;
162 
163 		case VK_FORMAT_R64G64B64A64_SFLOAT:
164 			return 32;
165 
166 		default:
167 			break;
168 	}
169 
170 	DE_ASSERT(false);
171 	return 0;
172 }
173 
getVertexFormatComponentCount(VkFormat format)174 deUint32 getVertexFormatComponentCount (VkFormat format)
175 {
176 	switch (format)
177 	{
178 		case VK_FORMAT_R8_USCALED:
179 		case VK_FORMAT_R8_UNORM:
180 		case VK_FORMAT_R8_UINT:
181 		case VK_FORMAT_R8_SSCALED:
182 		case VK_FORMAT_R8_SRGB:
183 		case VK_FORMAT_R8_SNORM:
184 		case VK_FORMAT_R8_SINT:
185 		case VK_FORMAT_R16_USCALED:
186 		case VK_FORMAT_R16_UNORM:
187 		case VK_FORMAT_R16_UINT:
188 		case VK_FORMAT_R16_SSCALED:
189 		case VK_FORMAT_R16_SNORM:
190 		case VK_FORMAT_R16_SINT:
191 		case VK_FORMAT_R16_SFLOAT:
192 		case VK_FORMAT_R32_UINT:
193 		case VK_FORMAT_R32_SINT:
194 		case VK_FORMAT_R32_SFLOAT:
195 		case VK_FORMAT_R64_SFLOAT:
196 			return 1;
197 
198 		case VK_FORMAT_R4G4_UNORM_PACK8:
199 		case VK_FORMAT_R8G8_UNORM:
200 		case VK_FORMAT_R8G8_SNORM:
201 		case VK_FORMAT_R8G8_USCALED:
202 		case VK_FORMAT_R8G8_SSCALED:
203 		case VK_FORMAT_R8G8_UINT:
204 		case VK_FORMAT_R8G8_SINT:
205 		case VK_FORMAT_R8G8_SRGB:
206 		case VK_FORMAT_R16G16_UNORM:
207 		case VK_FORMAT_R16G16_SNORM:
208 		case VK_FORMAT_R16G16_USCALED:
209 		case VK_FORMAT_R16G16_SSCALED:
210 		case VK_FORMAT_R16G16_UINT:
211 		case VK_FORMAT_R16G16_SINT:
212 		case VK_FORMAT_R16G16_SFLOAT:
213 		case VK_FORMAT_R32G32_UINT:
214 		case VK_FORMAT_R32G32_SINT:
215 		case VK_FORMAT_R32G32_SFLOAT:
216 		case VK_FORMAT_R64G64_SFLOAT:
217 			return 2;
218 
219 		case VK_FORMAT_R8G8B8_UNORM:
220 		case VK_FORMAT_R8G8B8_SNORM:
221 		case VK_FORMAT_R8G8B8_USCALED:
222 		case VK_FORMAT_R8G8B8_SSCALED:
223 		case VK_FORMAT_R8G8B8_UINT:
224 		case VK_FORMAT_R8G8B8_SINT:
225 		case VK_FORMAT_R8G8B8_SRGB:
226 		case VK_FORMAT_B8G8R8_UNORM:
227 		case VK_FORMAT_B8G8R8_SNORM:
228 		case VK_FORMAT_B8G8R8_USCALED:
229 		case VK_FORMAT_B8G8R8_SSCALED:
230 		case VK_FORMAT_B8G8R8_UINT:
231 		case VK_FORMAT_B8G8R8_SINT:
232 		case VK_FORMAT_B8G8R8_SRGB:
233 		case VK_FORMAT_R16G16B16_UNORM:
234 		case VK_FORMAT_R16G16B16_SNORM:
235 		case VK_FORMAT_R16G16B16_USCALED:
236 		case VK_FORMAT_R16G16B16_SSCALED:
237 		case VK_FORMAT_R16G16B16_UINT:
238 		case VK_FORMAT_R16G16B16_SINT:
239 		case VK_FORMAT_R16G16B16_SFLOAT:
240 		case VK_FORMAT_R32G32B32_UINT:
241 		case VK_FORMAT_R32G32B32_SINT:
242 		case VK_FORMAT_R32G32B32_SFLOAT:
243 		case VK_FORMAT_R64G64B64_SFLOAT:
244 		case VK_FORMAT_R5G6B5_UNORM_PACK16:
245 		case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
246 		case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
247 			return 3;
248 
249 		case VK_FORMAT_R8G8B8A8_UNORM:
250 		case VK_FORMAT_R8G8B8A8_SNORM:
251 		case VK_FORMAT_R8G8B8A8_USCALED:
252 		case VK_FORMAT_R8G8B8A8_SSCALED:
253 		case VK_FORMAT_R8G8B8A8_UINT:
254 		case VK_FORMAT_R8G8B8A8_SINT:
255 		case VK_FORMAT_R8G8B8A8_SRGB:
256 		case VK_FORMAT_B8G8R8A8_UNORM:
257 		case VK_FORMAT_B8G8R8A8_SNORM:
258 		case VK_FORMAT_B8G8R8A8_USCALED:
259 		case VK_FORMAT_B8G8R8A8_SSCALED:
260 		case VK_FORMAT_B8G8R8A8_UINT:
261 		case VK_FORMAT_B8G8R8A8_SINT:
262 		case VK_FORMAT_B8G8R8A8_SRGB:
263 		case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
264 		case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
265 		case VK_FORMAT_R16G16B16A16_UNORM:
266 		case VK_FORMAT_R16G16B16A16_SNORM:
267 		case VK_FORMAT_R16G16B16A16_USCALED:
268 		case VK_FORMAT_R16G16B16A16_SSCALED:
269 		case VK_FORMAT_R16G16B16A16_UINT:
270 		case VK_FORMAT_R16G16B16A16_SINT:
271 		case VK_FORMAT_R16G16B16A16_SFLOAT:
272 		case VK_FORMAT_R32G32B32A32_UINT:
273 		case VK_FORMAT_R32G32B32A32_SINT:
274 		case VK_FORMAT_R32G32B32A32_SFLOAT:
275 		case VK_FORMAT_R64G64B64A64_SFLOAT:
276 		case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
277 		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
278 		case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
279 		case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
280 		case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
281 		case VK_FORMAT_A2R10G10B10_UINT_PACK32:
282 		case VK_FORMAT_A2R10G10B10_SINT_PACK32:
283 		case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
284 		case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
285 		case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
286 		case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
287 		case VK_FORMAT_A2B10G10R10_UINT_PACK32:
288 		case VK_FORMAT_A2B10G10R10_SINT_PACK32:
289 			return 4;
290 
291 		default:
292 			break;
293 	}
294 
295 	DE_ASSERT(false);
296 	return 0;
297 }
298 
getVertexFormatComponentSize(VkFormat format)299 deUint32 getVertexFormatComponentSize (VkFormat format)
300 {
301 	switch (format)
302 	{
303 		case VK_FORMAT_R8_UNORM:
304 		case VK_FORMAT_R8_SNORM:
305 		case VK_FORMAT_R8_USCALED:
306 		case VK_FORMAT_R8_SSCALED:
307 		case VK_FORMAT_R8_UINT:
308 		case VK_FORMAT_R8_SINT:
309 		case VK_FORMAT_R8_SRGB:
310 		case VK_FORMAT_R8G8_UNORM:
311 		case VK_FORMAT_R8G8_SNORM:
312 		case VK_FORMAT_R8G8_USCALED:
313 		case VK_FORMAT_R8G8_SSCALED:
314 		case VK_FORMAT_R8G8_UINT:
315 		case VK_FORMAT_R8G8_SINT:
316 		case VK_FORMAT_R8G8_SRGB:
317 		case VK_FORMAT_R8G8B8_UNORM:
318 		case VK_FORMAT_R8G8B8_SNORM:
319 		case VK_FORMAT_R8G8B8_USCALED:
320 		case VK_FORMAT_R8G8B8_SSCALED:
321 		case VK_FORMAT_R8G8B8_UINT:
322 		case VK_FORMAT_R8G8B8_SINT:
323 		case VK_FORMAT_R8G8B8_SRGB:
324 		case VK_FORMAT_B8G8R8_UNORM:
325 		case VK_FORMAT_B8G8R8_SNORM:
326 		case VK_FORMAT_B8G8R8_USCALED:
327 		case VK_FORMAT_B8G8R8_SSCALED:
328 		case VK_FORMAT_B8G8R8_UINT:
329 		case VK_FORMAT_B8G8R8_SINT:
330 		case VK_FORMAT_B8G8R8_SRGB:
331 		case VK_FORMAT_R8G8B8A8_UNORM:
332 		case VK_FORMAT_R8G8B8A8_SNORM:
333 		case VK_FORMAT_R8G8B8A8_USCALED:
334 		case VK_FORMAT_R8G8B8A8_SSCALED:
335 		case VK_FORMAT_R8G8B8A8_UINT:
336 		case VK_FORMAT_R8G8B8A8_SINT:
337 		case VK_FORMAT_R8G8B8A8_SRGB:
338 		case VK_FORMAT_B8G8R8A8_UNORM:
339 		case VK_FORMAT_B8G8R8A8_SNORM:
340 		case VK_FORMAT_B8G8R8A8_USCALED:
341 		case VK_FORMAT_B8G8R8A8_SSCALED:
342 		case VK_FORMAT_B8G8R8A8_UINT:
343 		case VK_FORMAT_B8G8R8A8_SINT:
344 		case VK_FORMAT_B8G8R8A8_SRGB:
345 			return 1;
346 
347 		case VK_FORMAT_R16_UNORM:
348 		case VK_FORMAT_R16_SNORM:
349 		case VK_FORMAT_R16_USCALED:
350 		case VK_FORMAT_R16_SSCALED:
351 		case VK_FORMAT_R16_UINT:
352 		case VK_FORMAT_R16_SINT:
353 		case VK_FORMAT_R16_SFLOAT:
354 		case VK_FORMAT_R16G16_UNORM:
355 		case VK_FORMAT_R16G16_SNORM:
356 		case VK_FORMAT_R16G16_USCALED:
357 		case VK_FORMAT_R16G16_SSCALED:
358 		case VK_FORMAT_R16G16_UINT:
359 		case VK_FORMAT_R16G16_SINT:
360 		case VK_FORMAT_R16G16_SFLOAT:
361 		case VK_FORMAT_R16G16B16_UNORM:
362 		case VK_FORMAT_R16G16B16_SNORM:
363 		case VK_FORMAT_R16G16B16_USCALED:
364 		case VK_FORMAT_R16G16B16_SSCALED:
365 		case VK_FORMAT_R16G16B16_UINT:
366 		case VK_FORMAT_R16G16B16_SINT:
367 		case VK_FORMAT_R16G16B16_SFLOAT:
368 		case VK_FORMAT_R16G16B16A16_UNORM:
369 		case VK_FORMAT_R16G16B16A16_SNORM:
370 		case VK_FORMAT_R16G16B16A16_USCALED:
371 		case VK_FORMAT_R16G16B16A16_SSCALED:
372 		case VK_FORMAT_R16G16B16A16_UINT:
373 		case VK_FORMAT_R16G16B16A16_SINT:
374 		case VK_FORMAT_R16G16B16A16_SFLOAT:
375 			return 2;
376 
377 		case VK_FORMAT_R32_UINT:
378 		case VK_FORMAT_R32_SINT:
379 		case VK_FORMAT_R32_SFLOAT:
380 		case VK_FORMAT_R32G32_UINT:
381 		case VK_FORMAT_R32G32_SINT:
382 		case VK_FORMAT_R32G32_SFLOAT:
383 		case VK_FORMAT_R32G32B32_UINT:
384 		case VK_FORMAT_R32G32B32_SINT:
385 		case VK_FORMAT_R32G32B32_SFLOAT:
386 		case VK_FORMAT_R32G32B32A32_UINT:
387 		case VK_FORMAT_R32G32B32A32_SINT:
388 		case VK_FORMAT_R32G32B32A32_SFLOAT:
389 			return 4;
390 
391 		case VK_FORMAT_R64_SFLOAT:
392 		case VK_FORMAT_R64G64_SFLOAT:
393 		case VK_FORMAT_R64G64B64_SFLOAT:
394 		case VK_FORMAT_R64G64B64A64_SFLOAT:
395 			return 8;
396 
397 		default:
398 			break;
399 	}
400 
401 	DE_ASSERT(false);
402 	return 0;
403 }
404 
getPackedVertexFormatComponentWidth(VkFormat format,deUint32 componentNdx)405 deUint32 getPackedVertexFormatComponentWidth(VkFormat format, deUint32 componentNdx)
406 {
407 	switch (format)
408 	{
409 		case VK_FORMAT_R4G4_UNORM_PACK8:
410 		{
411 			DE_ASSERT(componentNdx < 2);
412 			return 4;
413 		}
414 		case VK_FORMAT_R5G6B5_UNORM_PACK16:
415 		case VK_FORMAT_B5G6R5_UNORM_PACK16:
416 		{
417 			deUint32 componentSizes[3] = { 5, 6, 5 };
418 
419 			DE_ASSERT(componentNdx < 3);
420 			return componentSizes[componentNdx];
421 		}
422 		case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
423 		case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
424 		{
425 			DE_ASSERT(componentNdx < 4);
426 			return 4;
427 		}
428 		case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
429 		case VK_FORMAT_B5G5R5A1_UNORM_PACK16:
430 		{
431 			deUint32 componentSizes[4] = { 5, 5, 5, 1 };
432 
433 			DE_ASSERT(componentNdx < 4);
434 			return componentSizes[componentNdx];
435 		}
436 		case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
437 		{
438 			deUint32 componentSizes[4] = { 1, 5, 5, 5 };
439 
440 			DE_ASSERT(componentNdx < 4);
441 			return componentSizes[componentNdx];
442 		}
443 		case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
444 		case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
445 		case VK_FORMAT_A8B8G8R8_USCALED_PACK32:
446 		case VK_FORMAT_A8B8G8R8_SSCALED_PACK32:
447 		case VK_FORMAT_A8B8G8R8_UINT_PACK32:
448 		case VK_FORMAT_A8B8G8R8_SINT_PACK32:
449 		case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
450 		{
451 			DE_ASSERT(componentNdx < 4);
452 			return 8;
453 		}
454 		case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
455 		{
456 			deUint32 componentSizes[3] = { 10, 11, 11 };
457 
458 			DE_ASSERT(componentNdx < 3);
459 			return componentSizes[componentNdx];
460 		}
461 		case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
462 		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
463 		case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
464 		case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
465 		case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
466 		case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
467 		case VK_FORMAT_A2R10G10B10_UINT_PACK32:
468 		case VK_FORMAT_A2R10G10B10_SINT_PACK32:
469 		case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
470 		case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
471 		case VK_FORMAT_A2B10G10R10_UINT_PACK32:
472 		case VK_FORMAT_A2B10G10R10_SINT_PACK32:
473 		{
474 			deUint32 componentSizes[4] = {2, 10, 10, 10};
475 
476 			DE_ASSERT(componentNdx < 4);
477 			return componentSizes[componentNdx];
478 		}
479 		case VK_FORMAT_X8_D24_UNORM_PACK32:
480 		{
481 			deUint32 componentSizes[2] = { 8, 24 };
482 
483 			DE_ASSERT(componentNdx < 2);
484 			return componentSizes[componentNdx];
485 		}
486 		case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
487 		{
488 			deUint32 componentSizes[4] = { 5, 9, 9, 9 };
489 
490 			DE_ASSERT(componentNdx < 4);
491 			return componentSizes[componentNdx];
492 		}
493 		default:
494 			break;
495 	}
496 	DE_ASSERT(false);
497 	return 0;
498 }
499 
isVertexFormatComponentOrderBGR(VkFormat format)500 bool isVertexFormatComponentOrderBGR (VkFormat format)
501 {
502 	switch (format)
503 	{
504 		case VK_FORMAT_B8G8R8_UNORM:
505 		case VK_FORMAT_B8G8R8_SNORM:
506 		case VK_FORMAT_B8G8R8_USCALED:
507 		case VK_FORMAT_B8G8R8_SSCALED:
508 		case VK_FORMAT_B8G8R8_UINT:
509 		case VK_FORMAT_B8G8R8_SINT:
510 		case VK_FORMAT_B8G8R8_SRGB:
511 		case VK_FORMAT_B8G8R8A8_UNORM:
512 		case VK_FORMAT_B8G8R8A8_SNORM:
513 		case VK_FORMAT_B8G8R8A8_USCALED:
514 		case VK_FORMAT_B8G8R8A8_SSCALED:
515 		case VK_FORMAT_B8G8R8A8_UINT:
516 		case VK_FORMAT_B8G8R8A8_SINT:
517 		case VK_FORMAT_B8G8R8A8_SRGB:
518 		case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
519 		case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
520 		case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
521 		case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
522 		case VK_FORMAT_A2B10G10R10_UINT_PACK32:
523 		case VK_FORMAT_A2B10G10R10_SINT_PACK32:
524 			return true;
525 
526 		default:
527 			break;
528 	}
529 	return false;
530 }
531 
isVertexFormatComponentOrderABGR(VkFormat format)532 bool isVertexFormatComponentOrderABGR(VkFormat format)
533 {
534 	switch (format)
535 	{
536 		case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
537 		case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
538 		case VK_FORMAT_A8B8G8R8_USCALED_PACK32:
539 		case VK_FORMAT_A8B8G8R8_SSCALED_PACK32:
540 		case VK_FORMAT_A8B8G8R8_UINT_PACK32:
541 		case VK_FORMAT_A8B8G8R8_SINT_PACK32:
542 		case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
543 		case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
544 		case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
545 		case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
546 		case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
547 		case VK_FORMAT_A2B10G10R10_UINT_PACK32:
548 		case VK_FORMAT_A2B10G10R10_SINT_PACK32:
549 			return true;
550 
551 		default:
552 			break;
553 	}
554 	return false;
555 }
556 
isVertexFormatComponentOrderARGB(VkFormat format)557 bool isVertexFormatComponentOrderARGB(VkFormat format)
558 {
559 	switch (format)
560 	{
561 		case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
562 		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
563 		case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
564 		case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
565 		case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
566 		case VK_FORMAT_A2R10G10B10_UINT_PACK32:
567 		case VK_FORMAT_A2R10G10B10_SINT_PACK32:
568 		return true;
569 
570 	default:
571 		break;
572 	}
573 	return false;
574 }
575 
isVertexFormatSint(VkFormat format)576 bool isVertexFormatSint (VkFormat format)
577 {
578 	switch (format)
579 	{
580 		case VK_FORMAT_R8_SINT:
581 		case VK_FORMAT_R8G8_SINT:
582 		case VK_FORMAT_R16_SINT:
583 		case VK_FORMAT_R8G8B8_SINT:
584 		case VK_FORMAT_B8G8R8_SINT:
585 		case VK_FORMAT_R8G8B8A8_SINT:
586 		case VK_FORMAT_A8B8G8R8_SINT_PACK32:
587 		case VK_FORMAT_R16G16_SINT:
588 		case VK_FORMAT_R32_SINT:
589 		case VK_FORMAT_B8G8R8A8_SINT:
590 		case VK_FORMAT_A2R10G10B10_SINT_PACK32:
591 		case VK_FORMAT_A2B10G10R10_SINT_PACK32:
592 		case VK_FORMAT_R16G16B16_SINT:
593 		case VK_FORMAT_R16G16B16A16_SINT:
594 		case VK_FORMAT_R32G32_SINT:
595 		case VK_FORMAT_R32G32B32_SINT:
596 		case VK_FORMAT_R32G32B32A32_SINT:
597 			return true;
598 
599 		default:
600 			break;
601 	}
602 
603 	return false;
604 }
605 
isVertexFormatUint(VkFormat format)606 bool isVertexFormatUint (VkFormat format)
607 {
608 	switch (format)
609 	{
610 		case VK_FORMAT_R8_UINT:
611 		case VK_FORMAT_R8G8_UINT:
612 		case VK_FORMAT_R16_UINT:
613 		case VK_FORMAT_R8G8B8_UINT:
614 		case VK_FORMAT_B8G8R8_UINT:
615 		case VK_FORMAT_R8G8B8A8_UINT:
616 		case VK_FORMAT_A8B8G8R8_UINT_PACK32:
617 		case VK_FORMAT_A2R10G10B10_UINT_PACK32:
618 		case VK_FORMAT_A2B10G10R10_UINT_PACK32:
619 		case VK_FORMAT_R16G16_UINT:
620 		case VK_FORMAT_R32_UINT:
621 		case VK_FORMAT_B8G8R8A8_UINT:
622 		case VK_FORMAT_R16G16B16_UINT:
623 		case VK_FORMAT_R16G16B16A16_UINT:
624 		case VK_FORMAT_R32G32_UINT:
625 		case VK_FORMAT_R32G32B32_UINT:
626 		case VK_FORMAT_R32G32B32A32_UINT:
627 			return true;
628 
629 		default:
630 			break;
631 	}
632 
633 	return false;
634 
635 }
636 
isVertexFormatSfloat(VkFormat format)637 bool isVertexFormatSfloat (VkFormat format)
638 {
639 	switch (format)
640 	{
641 		case VK_FORMAT_R16_SFLOAT:
642 		case VK_FORMAT_R16G16_SFLOAT:
643 		case VK_FORMAT_R32_SFLOAT:
644 		case VK_FORMAT_R16G16B16_SFLOAT:
645 		case VK_FORMAT_R16G16B16A16_SFLOAT:
646 		case VK_FORMAT_R32G32_SFLOAT:
647 		case VK_FORMAT_R64_SFLOAT:
648 		case VK_FORMAT_R32G32B32_SFLOAT:
649 		case VK_FORMAT_R32G32B32A32_SFLOAT:
650 		case VK_FORMAT_R64G64_SFLOAT:
651 		case VK_FORMAT_R64G64B64_SFLOAT:
652 		case VK_FORMAT_R64G64B64A64_SFLOAT:
653 			return true;
654 
655 		default:
656 			break;
657 	}
658 
659 	return false;
660 
661 }
662 
isVertexFormatUfloat(VkFormat format)663 bool isVertexFormatUfloat (VkFormat format)
664 {
665 	switch (format)
666 	{
667 		case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
668 		case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
669 			return true;
670 
671 		default:
672 			break;
673 	}
674 
675 	return false;
676 
677 }
678 
isVertexFormatUnorm(VkFormat format)679 bool isVertexFormatUnorm (VkFormat format)
680 {
681 	switch (format)
682 	{
683 		case VK_FORMAT_R8_UNORM:
684 		case VK_FORMAT_R4G4_UNORM_PACK8:
685 		case VK_FORMAT_R8G8_UNORM:
686 		case VK_FORMAT_R16_UNORM:
687 		case VK_FORMAT_R5G6B5_UNORM_PACK16:
688 		case VK_FORMAT_B5G6R5_UNORM_PACK16:
689 		case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
690 		case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
691 		case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
692 		case VK_FORMAT_B5G5R5A1_UNORM_PACK16:
693 		case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
694 		case VK_FORMAT_R8G8B8_UNORM:
695 		case VK_FORMAT_B8G8R8_UNORM:
696 		case VK_FORMAT_R8G8B8A8_UNORM:
697 		case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
698 		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
699 		case VK_FORMAT_R16G16_UNORM:
700 		case VK_FORMAT_B8G8R8A8_UNORM:
701 		case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
702 		case VK_FORMAT_X8_D24_UNORM_PACK32:
703 		case VK_FORMAT_R16G16B16_UNORM:
704 		case VK_FORMAT_R16G16B16A16_UNORM:
705 			return true;
706 
707 		default:
708 			break;
709 	}
710 
711 	return false;
712 
713 }
714 
isVertexFormatSnorm(VkFormat format)715 bool isVertexFormatSnorm (VkFormat format)
716 {
717 	switch (format)
718 	{
719 		case VK_FORMAT_R8_SNORM:
720 		case VK_FORMAT_R8G8_SNORM:
721 		case VK_FORMAT_R16_SNORM:
722 		case VK_FORMAT_R8G8B8_SNORM:
723 		case VK_FORMAT_B8G8R8_SNORM:
724 		case VK_FORMAT_R8G8B8A8_SNORM:
725 		case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
726 		case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
727 		case VK_FORMAT_R16G16_SNORM:
728 		case VK_FORMAT_B8G8R8A8_SNORM:
729 		case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
730 		case VK_FORMAT_R16G16B16_SNORM:
731 		case VK_FORMAT_R16G16B16A16_SNORM:
732 			return true;
733 
734 		default:
735 			break;
736 	}
737 
738 	return false;
739 
740 }
741 
isVertexFormatSRGB(VkFormat format)742 bool isVertexFormatSRGB (VkFormat format)
743 {
744 	switch (format)
745 	{
746 		case VK_FORMAT_R8_SRGB:
747 		case VK_FORMAT_R8G8_SRGB:
748 		case VK_FORMAT_R8G8B8_SRGB:
749 		case VK_FORMAT_B8G8R8_SRGB:
750 		case VK_FORMAT_R8G8B8A8_SRGB:
751 		case VK_FORMAT_B8G8R8A8_SRGB:
752 		case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
753 			return true;
754 
755 		default:
756 			break;
757 	}
758 
759 	return false;
760 
761 }
762 
isVertexFormatSscaled(VkFormat format)763 bool isVertexFormatSscaled (VkFormat format)
764 {
765 	switch (format)
766 	{
767 		case VK_FORMAT_R8_SSCALED:
768 		case VK_FORMAT_R8G8_SSCALED:
769 		case VK_FORMAT_R16_SSCALED:
770 		case VK_FORMAT_R8G8B8_SSCALED:
771 		case VK_FORMAT_B8G8R8_SSCALED:
772 		case VK_FORMAT_R8G8B8A8_SSCALED:
773 		case VK_FORMAT_A8B8G8R8_SSCALED_PACK32:
774 		case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
775 		case VK_FORMAT_R16G16_SSCALED:
776 		case VK_FORMAT_B8G8R8A8_SSCALED:
777 		case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
778 		case VK_FORMAT_R16G16B16_SSCALED:
779 		case VK_FORMAT_R16G16B16A16_SSCALED:
780 			return true;
781 
782 		default:
783 			break;
784 	}
785 
786 	return false;
787 
788 }
789 
isVertexFormatUscaled(VkFormat format)790 bool isVertexFormatUscaled (VkFormat format)
791 {
792 	switch (format)
793 	{
794 		case VK_FORMAT_R8_USCALED:
795 		case VK_FORMAT_R8G8_USCALED:
796 		case VK_FORMAT_R16_USCALED:
797 		case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
798 		case VK_FORMAT_R8G8B8_USCALED:
799 		case VK_FORMAT_B8G8R8_USCALED:
800 		case VK_FORMAT_R8G8B8A8_USCALED:
801 		case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
802 		case VK_FORMAT_R16G16_USCALED:
803 		case VK_FORMAT_B8G8R8A8_USCALED:
804 		case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
805 		case VK_FORMAT_R16G16B16_USCALED:
806 		case VK_FORMAT_R16G16B16A16_USCALED:
807 			return true;
808 
809 		default:
810 			break;
811 	}
812 
813 	return false;
814 
815 }
816 
isVertexFormatDouble(VkFormat format)817 bool isVertexFormatDouble (VkFormat format)
818 {
819 	switch (format)
820 	{
821 		case VK_FORMAT_R64_UINT:
822 		case VK_FORMAT_R64_SINT:
823 		case VK_FORMAT_R64_SFLOAT:
824 		case VK_FORMAT_R64G64_UINT:
825 		case VK_FORMAT_R64G64_SINT:
826 		case VK_FORMAT_R64G64_SFLOAT:
827 		case VK_FORMAT_R64G64B64_UINT:
828 		case VK_FORMAT_R64G64B64_SINT:
829 		case VK_FORMAT_R64G64B64_SFLOAT:
830 		case VK_FORMAT_R64G64B64A64_UINT:
831 		case VK_FORMAT_R64G64B64A64_SINT:
832 		case VK_FORMAT_R64G64B64A64_SFLOAT:
833 			return true;
834 
835 		default:
836 			break;
837 	}
838 	return false;
839 }
840 
isVertexFormatPacked(VkFormat format)841 bool isVertexFormatPacked(VkFormat format)
842 {
843 	switch (format)
844 	{
845 		case VK_FORMAT_R4G4_UNORM_PACK8:
846 		case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
847 		case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
848 		case VK_FORMAT_R5G6B5_UNORM_PACK16:
849 		case VK_FORMAT_B5G6R5_UNORM_PACK16:
850 		case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
851 		case VK_FORMAT_B5G5R5A1_UNORM_PACK16:
852 		case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
853 		case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
854 		case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
855 		case VK_FORMAT_A8B8G8R8_USCALED_PACK32:
856 		case VK_FORMAT_A8B8G8R8_SSCALED_PACK32:
857 		case VK_FORMAT_A8B8G8R8_UINT_PACK32:
858 		case VK_FORMAT_A8B8G8R8_SINT_PACK32:
859 		case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
860 		case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
861 		case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
862 		case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
863 		case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
864 		case VK_FORMAT_A2R10G10B10_UINT_PACK32:
865 		case VK_FORMAT_A2R10G10B10_SINT_PACK32:
866 		case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
867 		case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
868 		case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
869 		case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
870 		case VK_FORMAT_A2B10G10R10_UINT_PACK32:
871 		case VK_FORMAT_A2B10G10R10_SINT_PACK32:
872 		case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
873 		case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
874 		case VK_FORMAT_X8_D24_UNORM_PACK32:
875 			return true;
876 
877 		default:
878 			break;
879 	}
880 	return false;
881 }
882 
createOverlappingQuads(void)883 std::vector<Vertex4RGBA> createOverlappingQuads (void)
884 {
885 	using tcu::Vec2;
886 	using tcu::Vec4;
887 
888 	std::vector<Vertex4RGBA> vertices;
889 
890 	const Vec2 translations[4] =
891 	{
892 		Vec2(-0.25f, -0.25f),
893 		Vec2(-1.0f, -0.25f),
894 		Vec2(-1.0f, -1.0f),
895 		Vec2(-0.25f, -1.0f)
896 	};
897 
898 	const Vec4 quadColors[4] =
899 	{
900 		Vec4(1.0f, 0.0f, 0.0f, 1.0),
901 		Vec4(0.0f, 1.0f, 0.0f, 1.0),
902 		Vec4(0.0f, 0.0f, 1.0f, 1.0),
903 		Vec4(1.0f, 0.0f, 1.0f, 1.0)
904 	};
905 
906 	const float quadSize = 1.25f;
907 
908 	for (int quadNdx = 0; quadNdx < 4; quadNdx++)
909 	{
910 		const Vec2&	translation	= translations[quadNdx];
911 		const Vec4&	color		= quadColors[quadNdx];
912 
913 		const Vertex4RGBA lowerLeftVertex =
914 		{
915 			Vec4(translation.x(), translation.y(), 0.0f, 1.0f),
916 			color
917 		};
918 		const Vertex4RGBA upperLeftVertex =
919 		{
920 			Vec4(translation.x(), translation.y() + quadSize, 0.0f, 1.0f),
921 			color
922 		};
923 		const Vertex4RGBA lowerRightVertex =
924 		{
925 			Vec4(translation.x() + quadSize, translation.y(), 0.0f, 1.0f),
926 			color
927 		};
928 		const Vertex4RGBA upperRightVertex =
929 		{
930 			Vec4(translation.x() + quadSize, translation.y() + quadSize, 0.0f, 1.0f),
931 			color
932 		};
933 
934 		// Triangle 1, CCW
935 		vertices.push_back(lowerLeftVertex);
936 		vertices.push_back(lowerRightVertex);
937 		vertices.push_back(upperLeftVertex);
938 
939 		// Triangle 2, CW
940 		vertices.push_back(lowerRightVertex);
941 		vertices.push_back(upperLeftVertex);
942 		vertices.push_back(upperRightVertex);
943 	}
944 
945 	return vertices;
946 }
947 
createFullscreenQuad(void)948 std::vector<Vertex4Tex4> createFullscreenQuad (void)
949 {
950 	using tcu::Vec4;
951 
952 	const Vertex4Tex4 lowerLeftVertex =
953 	{
954 		Vec4(-1.0f, -1.0f, 0.0f, 1.0f),
955 		Vec4(0.0f, 0.0f, 0.0f, 0.0f)
956 	};
957 	const Vertex4Tex4 upperLeftVertex =
958 	{
959 		Vec4(-1.0f, 1.0f, 0.0f, 1.0f),
960 		Vec4(0.0f, 1.0f, 0.0f, 0.0f)
961 	};
962 	const Vertex4Tex4 lowerRightVertex =
963 	{
964 		Vec4(1.0f, -1.0f, 0.0f, 1.0f),
965 		Vec4(1.0f, 0.0f, 0.0f, 0.0f)
966 	};
967 	const Vertex4Tex4 upperRightVertex =
968 	{
969 		Vec4(1.0f, 1.0f, 0.0f, 1.0f),
970 		Vec4(1.0f, 1.0f, 0.0f, 0.0f)
971 	};
972 
973 	const Vertex4Tex4 vertices[6] =
974 	{
975 		lowerLeftVertex,
976 		lowerRightVertex,
977 		upperLeftVertex,
978 
979 		upperLeftVertex,
980 		lowerRightVertex,
981 		upperRightVertex
982 	};
983 
984 	return std::vector<Vertex4Tex4>(vertices, vertices + DE_LENGTH_OF_ARRAY(vertices));
985 }
986 
createQuadMosaic(int rows,int columns)987 std::vector<Vertex4Tex4> createQuadMosaic (int rows, int columns)
988 {
989 	using tcu::Vec4;
990 
991 	DE_ASSERT(rows >= 1);
992 	DE_ASSERT(columns >= 1);
993 
994 	std::vector<Vertex4Tex4>	vertices;
995 	const float					rowSize		= 2.0f / (float)rows;
996 	const float					columnSize	= 2.0f / (float)columns;
997 	int							arrayIndex	= 0;
998 
999 	for (int rowNdx = 0; rowNdx < rows; rowNdx++)
1000 	{
1001 		for (int columnNdx = 0; columnNdx < columns; columnNdx++)
1002 		{
1003 			const Vertex4Tex4 lowerLeftVertex =
1004 			{
1005 				Vec4(-1.0f + (float)columnNdx * columnSize, -1.0f + (float)rowNdx * rowSize, 0.0f, 1.0f),
1006 				Vec4(0.0f, 0.0f, (float)arrayIndex, 0.0f)
1007 			};
1008 			const Vertex4Tex4 upperLeftVertex =
1009 			{
1010 				Vec4(lowerLeftVertex.position.x(), lowerLeftVertex.position.y() + rowSize, 0.0f, 1.0f),
1011 				Vec4(0.0f, 1.0f, (float)arrayIndex, 0.0f)
1012 			};
1013 			const Vertex4Tex4 lowerRightVertex =
1014 			{
1015 				Vec4(lowerLeftVertex.position.x() + columnSize, lowerLeftVertex.position.y(), 0.0f, 1.0f),
1016 				Vec4(1.0f, 0.0f, (float)arrayIndex, 0.0f)
1017 			};
1018 			const Vertex4Tex4 upperRightVertex =
1019 			{
1020 				Vec4(lowerLeftVertex.position.x() + columnSize, lowerLeftVertex.position.y() + rowSize, 0.0f, 1.0f),
1021 				Vec4(1.0f, 1.0f, (float)arrayIndex, 0.0f)
1022 			};
1023 
1024 			vertices.push_back(lowerLeftVertex);
1025 			vertices.push_back(lowerRightVertex);
1026 			vertices.push_back(upperLeftVertex);
1027 			vertices.push_back(upperLeftVertex);
1028 			vertices.push_back(lowerRightVertex);
1029 			vertices.push_back(upperRightVertex);
1030 
1031 			arrayIndex++;
1032 		}
1033 	}
1034 
1035 	return vertices;
1036 }
1037 
createQuadMosaicCube(void)1038 std::vector<Vertex4Tex4> createQuadMosaicCube (void)
1039 {
1040 	using tcu::Vec3;
1041 
1042 	static const Vec3 texCoordsCube[8] =
1043 	{
1044 		Vec3(-1.0f, -1.0f, -1.0f),	// 0: -X, -Y, -Z
1045 		Vec3(1.0f, -1.0f, -1.0f),	// 1:  X, -Y, -Z
1046 		Vec3(1.0f, -1.0f, 1.0f),	// 2:  X, -Y,  Z
1047 		Vec3(-1.0f, -1.0f, 1.0f),	// 3: -X, -Y,  Z
1048 
1049 		Vec3(-1.0f, 1.0f, -1.0f),	// 4: -X,  Y, -Z
1050 		Vec3(1.0f, 1.0f, -1.0f),	// 5:  X,  Y, -Z
1051 		Vec3(1.0f, 1.0f, 1.0f),		// 6:  X,  Y,  Z
1052 		Vec3(-1.0f, 1.0f, 1.0f),	// 7: -X,  Y,  Z
1053 	};
1054 
1055 	static const int texCoordCubeIndices[6][6] =
1056 	{
1057 		{ 6, 5, 2, 2, 5, 1 },		// +X face
1058 		{ 3, 0, 7, 7, 0, 4 },		// -X face
1059 		{ 4, 5, 7, 7, 5, 6 },		// +Y face
1060 		{ 3, 2, 0, 0, 2, 1 },		// -Y face
1061 		{ 2, 3, 6, 6, 3, 7 },		// +Z face
1062 		{ 0, 1, 4, 4, 1, 5 }		// -Z face
1063 	};
1064 
1065 	// Create 6 quads and set appropriate texture coordinates for cube mapping
1066 
1067 	std::vector<Vertex4Tex4>			vertices	= createQuadMosaic(2, 3);
1068 	std::vector<Vertex4Tex4>::iterator	vertexItr	= vertices.begin();
1069 
1070 	for (int quadNdx = 0; quadNdx < 6; quadNdx++)
1071 	{
1072 		for (int vertexNdx = 0; vertexNdx < 6; vertexNdx++)
1073 		{
1074 			vertexItr->texCoord.xyz() = texCoordsCube[texCoordCubeIndices[quadNdx][vertexNdx]];
1075 			vertexItr++;
1076 		}
1077 	}
1078 
1079 	return vertices;
1080 }
1081 
createQuadMosaicCubeArray(int faceArrayIndices[6])1082 std::vector<Vertex4Tex4> createQuadMosaicCubeArray (int faceArrayIndices[6])
1083 {
1084 	std::vector<Vertex4Tex4>			vertices	= createQuadMosaicCube();
1085 	std::vector<Vertex4Tex4>::iterator	vertexItr	= vertices.begin();
1086 
1087 	for (int quadNdx = 0; quadNdx < 6; quadNdx++)
1088 	{
1089 		for (int vertexNdx = 0; vertexNdx < 6; vertexNdx++)
1090 		{
1091 			vertexItr->texCoord.w() = (float)faceArrayIndices[quadNdx];
1092 			vertexItr++;
1093 		}
1094 	}
1095 
1096 	return vertices;
1097 }
1098 
createTestQuadMosaic(vk::VkImageViewType viewType)1099 std::vector<Vertex4Tex4> createTestQuadMosaic (vk::VkImageViewType viewType)
1100 {
1101 	std::vector<Vertex4Tex4> vertices;
1102 
1103 	switch (viewType)
1104 	{
1105 		case vk::VK_IMAGE_VIEW_TYPE_1D:
1106 		case vk::VK_IMAGE_VIEW_TYPE_2D:
1107 			vertices = createFullscreenQuad();
1108 			break;
1109 
1110 		case vk::VK_IMAGE_VIEW_TYPE_1D_ARRAY:
1111 			vertices = createQuadMosaic(2, 3);
1112 
1113 			// Set up array indices
1114 			for (size_t quadNdx = 0; quadNdx < 6; quadNdx++)
1115 				for (size_t vertexNdx = 0; vertexNdx < 6; vertexNdx++)
1116 					vertices[quadNdx * 6 + vertexNdx].texCoord.y() = (float)quadNdx;
1117 
1118 			break;
1119 
1120 		case vk::VK_IMAGE_VIEW_TYPE_2D_ARRAY:
1121 			vertices = createQuadMosaic(2, 3);
1122 			break;
1123 
1124 		case vk::VK_IMAGE_VIEW_TYPE_3D:
1125 			vertices = createQuadMosaic(2, 3);
1126 
1127 			// Use z between 0.0 and 1.0.
1128 			for (size_t vertexNdx = 0; vertexNdx < vertices.size(); vertexNdx++)
1129 			{
1130 				vertices[vertexNdx].texCoord.z() /= 5.0f;
1131 				vertices[vertexNdx].texCoord.z() -= 0.001f; // Substract small value to correct floating-point errors at the boundaries between slices
1132 			}
1133 
1134 			break;
1135 
1136 		case vk::VK_IMAGE_VIEW_TYPE_CUBE:
1137 			vertices = createQuadMosaicCube();
1138 			break;
1139 
1140 		case vk::VK_IMAGE_VIEW_TYPE_CUBE_ARRAY:
1141 			{
1142 				int faceArrayIndices[6] = { 0, 1, 2, 3, 4, 5 };
1143 				vertices = createQuadMosaicCubeArray(faceArrayIndices);
1144 			}
1145 			break;
1146 
1147 		default:
1148 			DE_ASSERT(false);
1149 			break;
1150 	}
1151 
1152 	return vertices;
1153 }
1154 
1155 } // pipeline
1156 } // vkt
1157