70642d69eaebeded2b0552d37e21c3168193cc5a
[platform/upstream/VK-GL-CTS.git] / external / vulkancts / modules / vulkan / query_pool / vktQueryPoolOcclusionTests.cpp
1 /*------------------------------------------------------------------------
2  * Vulkan Conformance Tests
3  * ------------------------
4  *
5  * Copyright (c) 2015 The Khronos Group Inc.
6  * Copyright (c) 2015 Intel Corporation
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 Vulkan Occlusion Query Tests
23  *//*--------------------------------------------------------------------*/
24
25 #include "vktQueryPoolOcclusionTests.hpp"
26
27 #include "vktTestCase.hpp"
28
29 #include "vktDrawImageObjectUtil.hpp"
30 #include "vktDrawBufferObjectUtil.hpp"
31 #include "vktDrawCreateInfoUtil.hpp"
32 #include "vkBuilderUtil.hpp"
33 #include "vkRefUtil.hpp"
34 #include "vkPrograms.hpp"
35 #include "vkTypeUtil.hpp"
36 #include "vkCmdUtil.hpp"
37
38 #include "tcuTestLog.hpp"
39 #include "tcuResource.hpp"
40 #include "tcuImageCompare.hpp"
41 #include "tcuCommandLine.hpp"
42
43 namespace vkt
44 {
45
46 namespace QueryPool
47 {
48
49 using namespace Draw;
50
51 namespace
52 {
53
54 struct StateObjects
55 {
56                         StateObjects    (const vk::DeviceInterface&vk, vkt::Context &context, const int numVertices, vk::VkPrimitiveTopology primitive);
57         void    setVertices             (const vk::DeviceInterface&vk, std::vector<tcu::Vec4> vertices);
58
59         enum
60         {
61                 WIDTH   = 128,
62                 HEIGHT  = 128
63         };
64
65         vkt::Context &m_context;
66
67         vk::Move<vk::VkPipeline>                m_pipeline;
68         vk::Move<vk::VkPipelineLayout>  m_pipelineLayout;
69
70         de::SharedPtr<Image>                    m_colorAttachmentImage, m_DepthImage;
71         vk::Move<vk::VkImageView>               m_attachmentView;
72         vk::Move<vk::VkImageView>               m_depthiew;
73
74         vk::Move<vk::VkRenderPass>              m_renderPass;
75         vk::Move<vk::VkFramebuffer>             m_framebuffer;
76
77         de::SharedPtr<Buffer>                   m_vertexBuffer;
78
79         vk::VkFormat                                    m_colorAttachmentFormat;
80 };
81
82 StateObjects::StateObjects (const vk::DeviceInterface&vk, vkt::Context &context, const int numVertices, vk::VkPrimitiveTopology primitive)
83         : m_context(context)
84         , m_colorAttachmentFormat(vk::VK_FORMAT_R8G8B8A8_UNORM)
85
86 {
87         vk::VkFormat            depthFormat = vk::VK_FORMAT_D16_UNORM;
88         const vk::VkDevice      device          = m_context.getDevice();
89
90         //attachment images and views
91         {
92                 vk::VkExtent3D imageExtent =
93                 {
94                         WIDTH,  // width;
95                         HEIGHT, // height;
96                         1               // depth;
97                 };
98
99                 const ImageCreateInfo colorImageCreateInfo(vk::VK_IMAGE_TYPE_2D, m_colorAttachmentFormat, imageExtent, 1, 1, vk::VK_SAMPLE_COUNT_1_BIT, vk::VK_IMAGE_TILING_OPTIMAL,
100                                                                                                    vk::VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | vk::VK_IMAGE_USAGE_TRANSFER_SRC_BIT);
101
102                 m_colorAttachmentImage  = Image::createAndAlloc(vk, device, colorImageCreateInfo, m_context.getDefaultAllocator(), m_context.getUniversalQueueFamilyIndex());
103
104                 const ImageViewCreateInfo attachmentViewInfo(m_colorAttachmentImage->object(), vk::VK_IMAGE_VIEW_TYPE_2D, m_colorAttachmentFormat);
105                 m_attachmentView                = vk::createImageView(vk, device, &attachmentViewInfo);
106
107                 ImageCreateInfo depthImageCreateInfo(vk::VK_IMAGE_TYPE_2D, depthFormat, imageExtent, 1, 1, vk::VK_SAMPLE_COUNT_1_BIT, vk::VK_IMAGE_TILING_OPTIMAL,
108                         vk::VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);
109
110                 m_DepthImage                    = Image::createAndAlloc(vk, device, depthImageCreateInfo, m_context.getDefaultAllocator(), m_context.getUniversalQueueFamilyIndex());
111
112                 // Construct a depth  view from depth image
113                 const ImageViewCreateInfo depthViewInfo(m_DepthImage->object(), vk::VK_IMAGE_VIEW_TYPE_2D, depthFormat);
114                 m_depthiew                              = vk::createImageView(vk, device, &depthViewInfo);
115         }
116
117         {
118                 // Renderpass and Framebuffer
119
120                 RenderPassCreateInfo renderPassCreateInfo;
121                 renderPassCreateInfo.addAttachment(AttachmentDescription(m_colorAttachmentFormat,                                                                       // format
122                                                                                                                                         vk::VK_SAMPLE_COUNT_1_BIT,                                                              // samples
123                                                                                                                                         vk::VK_ATTACHMENT_LOAD_OP_CLEAR,                                                // loadOp
124                                                                                                                                         vk::VK_ATTACHMENT_STORE_OP_DONT_CARE,                                   // storeOp
125                                                                                                                                         vk::VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                    // stencilLoadOp
126                                                                                                                                         vk::VK_ATTACHMENT_STORE_OP_DONT_CARE,                                   // stencilLoadOp
127                                                                                                                                         vk::VK_IMAGE_LAYOUT_GENERAL,                                                    // initialLauout
128                                                                                                                                         vk::VK_IMAGE_LAYOUT_GENERAL));                                                  // finalLayout
129
130                 renderPassCreateInfo.addAttachment(AttachmentDescription(depthFormat,                                                                                           // format
131                                                                                                                                  vk::VK_SAMPLE_COUNT_1_BIT,                                                                     // samples
132                                                                                                                                  vk::VK_ATTACHMENT_LOAD_OP_CLEAR,                                                       // loadOp
133                                                                                                                                  vk::VK_ATTACHMENT_STORE_OP_DONT_CARE,                                          // storeOp
134                                                                                                                                  vk::VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                           // stencilLoadOp
135                                                                                                                                  vk::VK_ATTACHMENT_STORE_OP_DONT_CARE,                                          // stencilLoadOp
136                                                                                                                                  vk::VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,          // initialLauout
137                                                                                                                                  vk::VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL));        // finalLayout
138
139                 const vk::VkAttachmentReference colorAttachmentReference =
140                 {
141                         0,                                                                                                                      // attachment
142                         vk::VK_IMAGE_LAYOUT_GENERAL                                                                     // layout
143                 };
144
145                 const vk::VkAttachmentReference depthAttachmentReference =
146                 {
147                         1,                                                                                                                      // attachment
148                         vk::VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL            // layout
149                 };
150
151                 renderPassCreateInfo.addSubpass(SubpassDescription(vk::VK_PIPELINE_BIND_POINT_GRAPHICS,                                 // pipelineBindPoint
152                                                                                                                    0,                                                                                                   // flags
153                                                                                                                    0,                                                                                                   // inputCount
154                                                                                                                    DE_NULL,                                                                                             // pInputAttachments
155                                                                                                                    1,                                                                                                   // colorCount
156                                                                                                                    &colorAttachmentReference,                                                   // pColorAttachments
157                                                                                                                    DE_NULL,                                                                                             // pResolveAttachments
158                                                                                                                    depthAttachmentReference,                                                    // depthStencilAttachment
159                                                                                                                    0,                                                                                                   // preserveCount
160                                                                                                                    DE_NULL));                                                                                   // preserveAttachments
161
162                 m_renderPass = vk::createRenderPass(vk, device, &renderPassCreateInfo);
163
164                 std::vector<vk::VkImageView> attachments(2);
165                 attachments[0] = *m_attachmentView;
166                 attachments[1] = *m_depthiew;
167
168                 FramebufferCreateInfo framebufferCreateInfo(*m_renderPass, attachments, WIDTH, HEIGHT, 1);
169                 m_framebuffer = vk::createFramebuffer(vk, device, &framebufferCreateInfo);
170         }
171
172         {
173                 // Pipeline
174
175                 vk::Unique<vk::VkShaderModule> vs(vk::createShaderModule(vk, device, m_context.getBinaryCollection().get("vert"), 0));
176                 vk::Unique<vk::VkShaderModule> fs(vk::createShaderModule(vk, device, m_context.getBinaryCollection().get("frag"), 0));
177
178                 const PipelineCreateInfo::ColorBlendState::Attachment attachmentState;
179
180                 const PipelineLayoutCreateInfo pipelineLayoutCreateInfo;
181                 m_pipelineLayout = vk::createPipelineLayout(vk, device, &pipelineLayoutCreateInfo);
182
183                 const vk::VkVertexInputBindingDescription vf_binding_desc               =
184                 {
185                         0,                                                                                                                              // binding;
186                         4 * (deUint32)sizeof(float),                                                                    // stride;
187                         vk::VK_VERTEX_INPUT_RATE_VERTEX                                                                 // inputRate
188                 };
189
190                 const vk::VkVertexInputAttributeDescription vf_attribute_desc   =
191                 {
192                         0,                                                                                                                              // location;
193                         0,                                                                                                                              // binding;
194                         vk::VK_FORMAT_R32G32B32A32_SFLOAT,                                                              // format;
195                         0                                                                                                                               // offset;
196                 };
197
198                 const vk::VkPipelineVertexInputStateCreateInfo vf_info                  =
199                 {                                                                                                                                       // sType;
200                         vk::VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,  // pNext;
201                         NULL,                                                                                                                   // flags;
202                         0u,                                                                                                                             // vertexBindingDescriptionCount;
203                         1,                                                                                                                              // pVertexBindingDescriptions;
204                         &vf_binding_desc,                                                                                               // vertexAttributeDescriptionCount;
205                         1,                                                                                                                              // pVertexAttributeDescriptions;
206                         &vf_attribute_desc
207                 };
208
209                 PipelineCreateInfo pipelineCreateInfo(*m_pipelineLayout, *m_renderPass, 0, 0);
210                 pipelineCreateInfo.addShader(PipelineCreateInfo::PipelineShaderStage(*vs, "main", vk::VK_SHADER_STAGE_VERTEX_BIT));
211                 pipelineCreateInfo.addShader(PipelineCreateInfo::PipelineShaderStage(*fs, "main", vk::VK_SHADER_STAGE_FRAGMENT_BIT));
212                 pipelineCreateInfo.addState(PipelineCreateInfo::InputAssemblerState(primitive));
213                 pipelineCreateInfo.addState(PipelineCreateInfo::ColorBlendState(1, &attachmentState));
214                 const vk::VkViewport viewport   = vk::makeViewport(WIDTH, HEIGHT);
215                 const vk::VkRect2D scissor              = vk::makeRect2D(WIDTH, HEIGHT);
216                 pipelineCreateInfo.addState(PipelineCreateInfo::ViewportState(1, std::vector<vk::VkViewport>(1, viewport), std::vector<vk::VkRect2D>(1, scissor)));
217                 pipelineCreateInfo.addState(PipelineCreateInfo::DepthStencilState(true, true, vk::VK_COMPARE_OP_GREATER_OR_EQUAL));
218                 pipelineCreateInfo.addState(PipelineCreateInfo::RasterizerState());
219                 pipelineCreateInfo.addState(PipelineCreateInfo::MultiSampleState());
220                 pipelineCreateInfo.addState(vf_info);
221                 m_pipeline = vk::createGraphicsPipeline(vk, device, DE_NULL, &pipelineCreateInfo);
222         }
223
224         {
225                 // Vertex buffer
226                 const size_t kBufferSize = numVertices * sizeof(tcu::Vec4);
227                 m_vertexBuffer = Buffer::createAndAlloc(vk, device, BufferCreateInfo(kBufferSize, vk::VK_BUFFER_USAGE_VERTEX_BUFFER_BIT), m_context.getDefaultAllocator(), vk::MemoryRequirement::HostVisible);
228         }
229 }
230
231 void StateObjects::setVertices (const vk::DeviceInterface&vk, std::vector<tcu::Vec4> vertices)
232 {
233         const vk::VkDevice device                       = m_context.getDevice();
234
235         tcu::Vec4 *ptr = reinterpret_cast<tcu::Vec4*>(m_vertexBuffer->getBoundMemory().getHostPtr());
236         std::copy(vertices.begin(), vertices.end(), ptr);
237
238         vk::flushAlloc(vk, device,      m_vertexBuffer->getBoundMemory());
239 }
240
241 enum OcclusionQueryResultSize
242 {
243         RESULT_SIZE_64_BIT,
244         RESULT_SIZE_32_BIT,
245 };
246
247 enum OcclusionQueryWait
248 {
249         WAIT_QUEUE,
250         WAIT_QUERY,
251         WAIT_NONE
252 };
253
254 enum OcclusionQueryResultsMode
255 {
256         RESULTS_MODE_GET,
257         RESULTS_MODE_COPY
258 };
259
260 struct OcclusionQueryTestVector
261 {
262         vk::VkQueryControlFlags         queryControlFlags;
263         OcclusionQueryResultSize        queryResultSize;
264         OcclusionQueryWait                      queryWait;
265         OcclusionQueryResultsMode       queryResultsMode;
266         vk::VkDeviceSize                        queryResultsStride;
267         bool                                            queryResultsAvailability;
268         vk::VkPrimitiveTopology         primitiveTopology;
269         bool                                            discardHalf;
270 };
271
272 class BasicOcclusionQueryTestInstance : public vkt::TestInstance
273 {
274 public:
275                                         BasicOcclusionQueryTestInstance         (vkt::Context &context, const OcclusionQueryTestVector&  testVector);
276                                         ~BasicOcclusionQueryTestInstance        (void);
277 private:
278         tcu::TestStatus iterate                                                         (void);
279
280         enum
281         {
282                 NUM_QUERIES_IN_POOL                             = 2,
283                 QUERY_INDEX_CAPTURE_EMPTY               = 0,
284                 QUERY_INDEX_CAPTURE_DRAWCALL    = 1,
285                 NUM_VERTICES_IN_DRAWCALL                = 3
286         };
287
288         OcclusionQueryTestVector        m_testVector;
289         StateObjects*                           m_stateObjects;
290         vk::VkQueryPool                         m_queryPool;
291 };
292
293 BasicOcclusionQueryTestInstance::BasicOcclusionQueryTestInstance (vkt::Context &context, const OcclusionQueryTestVector&  testVector)
294         : TestInstance          (context)
295         , m_testVector          (testVector)
296 {
297         DE_ASSERT(testVector.queryResultSize                    == RESULT_SIZE_64_BIT
298                         && testVector.queryWait                                 == WAIT_QUEUE
299                         && testVector.queryResultsMode                  == RESULTS_MODE_GET
300                         && testVector.queryResultsStride                == sizeof(deUint64)
301                         && testVector.queryResultsAvailability  == false
302                         && testVector.primitiveTopology                 == vk::VK_PRIMITIVE_TOPOLOGY_POINT_LIST);
303
304         if ((m_testVector.queryControlFlags & vk::VK_QUERY_CONTROL_PRECISE_BIT) && !m_context.getDeviceFeatures().occlusionQueryPrecise)
305                 throw tcu::NotSupportedError("Precise occlusion queries are not supported");
306
307         m_stateObjects = new StateObjects(m_context.getDeviceInterface(), m_context, NUM_VERTICES_IN_DRAWCALL, m_testVector.primitiveTopology);
308
309         const vk::VkDevice                      device  = m_context.getDevice();
310         const vk::DeviceInterface&      vk              = m_context.getDeviceInterface();
311
312         const vk::VkQueryPoolCreateInfo queryPoolCreateInfo =
313         {
314                 vk::VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO,
315                 DE_NULL,
316                 0u,
317                 vk::VK_QUERY_TYPE_OCCLUSION,
318                 NUM_QUERIES_IN_POOL,
319                 0
320         };
321         VK_CHECK(vk.createQueryPool(device, &queryPoolCreateInfo, /*pAllocator*/ DE_NULL, &m_queryPool));
322
323         std::vector<tcu::Vec4> vertices(NUM_VERTICES_IN_DRAWCALL);
324         vertices[0] = tcu::Vec4(0.5, 0.5, 0.0, 1.0);
325         vertices[1] = tcu::Vec4(0.5, 0.0, 0.0, 1.0);
326         vertices[2] = tcu::Vec4(0.0, 0.5, 0.0, 1.0);
327         m_stateObjects->setVertices(vk, vertices);
328 }
329
330 BasicOcclusionQueryTestInstance::~BasicOcclusionQueryTestInstance (void)
331 {
332         if (m_stateObjects)
333                 delete m_stateObjects;
334
335         if (m_queryPool != DE_NULL)
336         {
337                 const vk::VkDevice device               = m_context.getDevice();
338                 const vk::DeviceInterface& vk   = m_context.getDeviceInterface();
339
340                 vk.destroyQueryPool(device, m_queryPool, /*pAllocator*/ DE_NULL);
341         }
342 }
343
344 tcu::TestStatus BasicOcclusionQueryTestInstance::iterate (void)
345 {
346         tcu::TestLog &log                               = m_context.getTestContext().getLog();
347         const vk::VkDevice device               = m_context.getDevice();
348         const vk::VkQueue queue                 = m_context.getUniversalQueue();
349         const vk::DeviceInterface& vk   = m_context.getDeviceInterface();
350
351         const CmdPoolCreateInfo                 cmdPoolCreateInfo       (m_context.getUniversalQueueFamilyIndex());
352         vk::Move<vk::VkCommandPool>             cmdPool                         = vk::createCommandPool(vk, device, &cmdPoolCreateInfo);
353
354         vk::Unique<vk::VkCommandBuffer> cmdBuffer                       (vk::allocateCommandBuffer(vk, device, *cmdPool, vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY));
355
356         beginCommandBuffer(vk, *cmdBuffer);
357
358         initialTransitionColor2DImage(vk, *cmdBuffer, m_stateObjects->m_colorAttachmentImage->object(), vk::VK_IMAGE_LAYOUT_GENERAL,
359                                                                   vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, vk::VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
360         initialTransitionDepth2DImage(vk, *cmdBuffer, m_stateObjects->m_DepthImage->object(), vk::VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
361                                                                   vk::VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT, vk::VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | vk::VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT);
362
363         std::vector<vk::VkClearValue> renderPassClearValues(2);
364         deMemset(&renderPassClearValues[0], 0, static_cast<int>(renderPassClearValues.size()) * sizeof(vk::VkClearValue));
365
366         vk.cmdResetQueryPool(*cmdBuffer, m_queryPool, 0, NUM_QUERIES_IN_POOL);
367
368         beginRenderPass(vk, *cmdBuffer, *m_stateObjects->m_renderPass, *m_stateObjects->m_framebuffer, vk::makeRect2D(0, 0, StateObjects::WIDTH, StateObjects::HEIGHT), (deUint32)renderPassClearValues.size(), &renderPassClearValues[0]);
369
370         vk.cmdBindPipeline(*cmdBuffer, vk::VK_PIPELINE_BIND_POINT_GRAPHICS, *m_stateObjects->m_pipeline);
371
372         vk::VkBuffer vertexBuffer = m_stateObjects->m_vertexBuffer->object();
373         const vk::VkDeviceSize vertexBufferOffset = 0;
374         vk.cmdBindVertexBuffers(*cmdBuffer, 0, 1, &vertexBuffer, &vertexBufferOffset);
375
376         vk.cmdBeginQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_EMPTY, m_testVector.queryControlFlags);
377         vk.cmdEndQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_EMPTY);
378
379         vk.cmdBeginQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_DRAWCALL, m_testVector.queryControlFlags);
380         vk.cmdDraw(*cmdBuffer, NUM_VERTICES_IN_DRAWCALL, 1, 0, 0);
381         vk.cmdEndQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_DRAWCALL);
382
383         endRenderPass(vk, *cmdBuffer);
384
385         transition2DImage(vk, *cmdBuffer, m_stateObjects->m_colorAttachmentImage->object(), vk::VK_IMAGE_ASPECT_COLOR_BIT,
386                                           vk::VK_IMAGE_LAYOUT_GENERAL, vk::VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
387                                           vk::VK_ACCESS_TRANSFER_READ_BIT, vk::VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, vk::VK_PIPELINE_STAGE_TRANSFER_BIT);
388
389         endCommandBuffer(vk, *cmdBuffer);
390
391         submitCommandsAndWait(vk, device, queue, cmdBuffer.get());
392
393         deUint64 queryResults[NUM_QUERIES_IN_POOL] = { 0 };
394         size_t queryResultsSize         = sizeof(queryResults);
395
396         vk::VkResult queryResult        = vk.getQueryPoolResults(device, m_queryPool, 0, NUM_QUERIES_IN_POOL, queryResultsSize, queryResults, sizeof(queryResults[0]), vk::VK_QUERY_RESULT_64_BIT);
397
398         if (queryResult == vk::VK_NOT_READY)
399         {
400                 TCU_FAIL("Query result not avaliable, but vkWaitIdle() was called.");
401         }
402
403         VK_CHECK(queryResult);
404
405         log << tcu::TestLog::Section("OcclusionQueryResults",
406                 "Occlusion query results");
407         for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(queryResults); ++ndx)
408         {
409                 log << tcu::TestLog::Message << "query[ slot == " << ndx
410                         << "] result == " << queryResults[ndx] << tcu::TestLog::EndMessage;
411         }
412
413         bool passed = true;
414
415         for (int queryNdx = 0; queryNdx < DE_LENGTH_OF_ARRAY(queryResults); ++queryNdx)
416         {
417
418                 deUint64 expectedValue;
419
420                 switch (queryNdx)
421                 {
422                         case QUERY_INDEX_CAPTURE_EMPTY:
423                                 expectedValue = 0;
424                                 break;
425                         case QUERY_INDEX_CAPTURE_DRAWCALL:
426                                 expectedValue = NUM_VERTICES_IN_DRAWCALL;
427                                 break;
428                 }
429
430                 if ((m_testVector.queryControlFlags & vk::VK_QUERY_CONTROL_PRECISE_BIT) || expectedValue == 0)
431                 {
432                         // require precise value
433                         if (queryResults[queryNdx] != expectedValue)
434                         {
435                                 log << tcu::TestLog::Message << "vkGetQueryPoolResults returned "
436                                         "wrong value of query for index "
437                                         << queryNdx << ", expected " << expectedValue << ", got "
438                                         << queryResults[0] << "." << tcu::TestLog::EndMessage;
439                                 passed = false;
440                         }
441                 }
442                 else
443                 {
444                         // require imprecize value > 0
445                         if (queryResults[queryNdx] == 0)
446                         {
447                                 log << tcu::TestLog::Message << "vkGetQueryPoolResults returned "
448                                         "wrong value of query for index "
449                                         << queryNdx << ", expected any non-zero value, got "
450                                         << queryResults[0] << "." << tcu::TestLog::EndMessage;
451                                 passed = false;
452                         }
453                 }
454         }
455         log << tcu::TestLog::EndSection;
456
457         if (passed)
458         {
459                 return tcu::TestStatus(QP_TEST_RESULT_PASS, "Query result verification passed");
460         }
461         return tcu::TestStatus(QP_TEST_RESULT_FAIL, "Query result verification failed");
462 }
463
464 class OcclusionQueryTestInstance : public vkt::TestInstance
465 {
466 public:
467         OcclusionQueryTestInstance              (vkt::Context &context, const OcclusionQueryTestVector& testVector);
468         ~OcclusionQueryTestInstance             (void);
469 private:
470         tcu::TestStatus                                 iterate                                                 (void);
471
472         bool                                                    hasSeparateResetCmdBuf                  (void) const;
473         bool                                                    hasSeparateCopyCmdBuf                   (void) const;
474
475         vk::Move<vk::VkCommandBuffer>   recordQueryPoolReset                    (vk::VkCommandPool commandPool);
476         vk::Move<vk::VkCommandBuffer>   recordRender                                    (vk::VkCommandPool commandPool);
477         vk::Move<vk::VkCommandBuffer>   recordCopyResults                               (vk::VkCommandPool commandPool);
478
479         void                                                    captureResults                                  (deUint64*                      retResults,     deUint64*               retAvailability,        bool    allowNotReady);
480         void                                                    logResults                                              (const deUint64*        results,        const deUint64* availability);
481         bool                                                    validateResults                                 (const deUint64*        results,        const deUint64* availability,           bool    allowUnavailable,       vk::VkPrimitiveTopology primitiveTopology);
482
483         enum
484         {
485                 NUM_QUERIES_IN_POOL                                                     = 3,
486                 QUERY_INDEX_CAPTURE_ALL                                         = 0,
487                 QUERY_INDEX_CAPTURE_PARTIALLY_OCCLUDED          = 1,
488                 QUERY_INDEX_CAPTURE_OCCLUDED                            = 2
489         };
490         enum
491         {
492                 NUM_VERTICES_IN_DRAWCALL                                        = 3,
493                 NUM_VERTICES_IN_PARTIALLY_OCCLUDED_DRAWCALL     = 3,
494                 NUM_VERTICES_IN_OCCLUDER_DRAWCALL                       = 3,
495                 NUM_VERTICES                                                            = NUM_VERTICES_IN_DRAWCALL + NUM_VERTICES_IN_PARTIALLY_OCCLUDED_DRAWCALL + NUM_VERTICES_IN_OCCLUDER_DRAWCALL
496         };
497         enum
498         {
499                 START_VERTEX                                                            = 0,
500                 START_VERTEX_PARTIALLY_OCCLUDED                         = START_VERTEX + NUM_VERTICES_IN_DRAWCALL,
501                 START_VERTEX_OCCLUDER                                           = START_VERTEX_PARTIALLY_OCCLUDED + NUM_VERTICES_IN_PARTIALLY_OCCLUDED_DRAWCALL
502         };
503
504         OcclusionQueryTestVector                m_testVector;
505
506         const vk::VkQueryResultFlags    m_queryResultFlags;
507
508         StateObjects*                                   m_stateObjects;
509         vk::VkQueryPool                                 m_queryPool;
510         de::SharedPtr<Buffer>                   m_queryPoolResultsBuffer;
511
512         vk::Move<vk::VkCommandPool>             m_commandPool;
513         vk::Move<vk::VkCommandBuffer>   m_queryPoolResetCommandBuffer;
514         vk::Move<vk::VkCommandBuffer>   m_renderCommandBuffer;
515         vk::Move<vk::VkCommandBuffer>   m_copyResultsCommandBuffer;
516 };
517
518 OcclusionQueryTestInstance::OcclusionQueryTestInstance (vkt::Context &context, const OcclusionQueryTestVector& testVector)
519         : vkt::TestInstance             (context)
520         , m_testVector                  (testVector)
521         , m_queryResultFlags    ((m_testVector.queryWait == WAIT_QUERY                                  ? vk::VK_QUERY_RESULT_WAIT_BIT                          : 0)
522                                                         | (m_testVector.queryResultSize == RESULT_SIZE_64_BIT   ? vk::VK_QUERY_RESULT_64_BIT                            : 0)
523                                                         | (m_testVector.queryResultsAvailability                                ? vk::VK_QUERY_RESULT_WITH_AVAILABILITY_BIT     : 0))
524 {
525         const vk::VkDevice                      device                          = m_context.getDevice();
526         const vk::DeviceInterface&      vk                                      = m_context.getDeviceInterface();
527
528         if ((m_testVector.queryControlFlags & vk::VK_QUERY_CONTROL_PRECISE_BIT) && !m_context.getDeviceFeatures().occlusionQueryPrecise)
529                 throw tcu::NotSupportedError("Precise occlusion queries are not supported");
530
531         m_stateObjects  = new StateObjects(m_context.getDeviceInterface(), m_context, NUM_VERTICES_IN_DRAWCALL + NUM_VERTICES_IN_PARTIALLY_OCCLUDED_DRAWCALL + NUM_VERTICES_IN_OCCLUDER_DRAWCALL, m_testVector.primitiveTopology);
532
533         const vk::VkQueryPoolCreateInfo queryPoolCreateInfo     =
534         {
535                 vk::VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO,
536                 DE_NULL,
537                 0u,
538                 vk::VK_QUERY_TYPE_OCCLUSION,
539                 NUM_QUERIES_IN_POOL,
540                 0
541         };
542
543         VK_CHECK(vk.createQueryPool(device, &queryPoolCreateInfo, /*pAllocator*/ DE_NULL, &m_queryPool));
544
545         if (m_testVector.queryResultsMode == RESULTS_MODE_COPY)
546         {
547                 const vk::VkDeviceSize  resultsBufferSize                       = m_testVector.queryResultsStride * NUM_QUERIES_IN_POOL;
548                                                                 m_queryPoolResultsBuffer        = Buffer::createAndAlloc(vk, device, BufferCreateInfo(resultsBufferSize, vk::VK_BUFFER_USAGE_TRANSFER_DST_BIT), m_context.getDefaultAllocator(), vk::MemoryRequirement::HostVisible);
549         }
550
551         const CmdPoolCreateInfo cmdPoolCreateInfo               (m_context.getUniversalQueueFamilyIndex());
552                                                         m_commandPool                   = vk::createCommandPool(vk, device, &cmdPoolCreateInfo);
553                                                         m_renderCommandBuffer   = recordRender(*m_commandPool);
554
555         if (hasSeparateResetCmdBuf())
556         {
557                 m_queryPoolResetCommandBuffer   = recordQueryPoolReset(*m_commandPool);
558         }
559
560         if (hasSeparateCopyCmdBuf())
561         {
562                 m_copyResultsCommandBuffer = recordCopyResults(*m_commandPool);
563         }
564 }
565
566 OcclusionQueryTestInstance::~OcclusionQueryTestInstance (void)
567 {
568         const vk::VkDevice device = m_context.getDevice();
569
570         if (m_stateObjects)
571                 delete m_stateObjects;
572
573         if (m_queryPool != DE_NULL)
574         {
575                 const vk::DeviceInterface& vk = m_context.getDeviceInterface();
576                 vk.destroyQueryPool(device, m_queryPool, /*pAllocator*/ DE_NULL);
577         }
578 }
579
580 tcu::TestStatus OcclusionQueryTestInstance::iterate (void)
581 {
582         const vk::VkQueue                       queue           = m_context.getUniversalQueue();
583         const vk::DeviceInterface&      vk                      = m_context.getDeviceInterface();
584         tcu::TestLog&                           log                     = m_context.getTestContext().getLog();
585         std::vector<tcu::Vec4>          vertices        (NUM_VERTICES);
586
587         // 1st triangle
588         vertices[START_VERTEX + 0] = tcu::Vec4( 0.5,  0.5, 0.5, 1.0);
589         vertices[START_VERTEX + 1] = tcu::Vec4( 0.5, -0.5, 0.5, 1.0);
590         vertices[START_VERTEX + 2] = tcu::Vec4(-0.5,  0.5, 0.5, 1.0);
591         // 2nd triangle - partially occluding the scene
592         vertices[START_VERTEX_PARTIALLY_OCCLUDED + 0] = tcu::Vec4(-0.5, -0.5, 1.0, 1.0);
593         vertices[START_VERTEX_PARTIALLY_OCCLUDED + 1] = tcu::Vec4( 0.5, -0.5, 1.0, 1.0);
594         vertices[START_VERTEX_PARTIALLY_OCCLUDED + 2] = tcu::Vec4(-0.5,  0.5, 1.0, 1.0);
595         // 3nd triangle - fully occluding the scene
596         vertices[START_VERTEX_OCCLUDER + 0] = tcu::Vec4( 0.5,  0.5, 1.0, 1.0);
597         vertices[START_VERTEX_OCCLUDER + 1] = tcu::Vec4( 0.5, -0.5, 1.0, 1.0);
598         vertices[START_VERTEX_OCCLUDER + 2] = tcu::Vec4(-0.5,  0.5, 1.0, 1.0);
599
600         m_stateObjects->setVertices(vk, vertices);
601
602         if (hasSeparateResetCmdBuf())
603         {
604                 const vk::VkSubmitInfo          submitInfoReset =
605                 {
606                         vk::VK_STRUCTURE_TYPE_SUBMIT_INFO,                      // VkStructureType                      sType;
607                         DE_NULL,                                                                        // const void*                          pNext;
608                         0u,                                                                                     // deUint32                                     waitSemaphoreCount;
609                         DE_NULL,                                                                        // const VkSemaphore*           pWaitSemaphores;
610                         (const vk::VkPipelineStageFlags*)DE_NULL,
611                         1u,                                                                                     // deUint32                                     commandBufferCount;
612                         &m_queryPoolResetCommandBuffer.get(),           // const VkCommandBuffer*       pCommandBuffers;
613                         0u,                                                                                     // deUint32                                     signalSemaphoreCount;
614                         DE_NULL                                                                         // const VkSemaphore*           pSignalSemaphores;
615                 };
616
617                 vk.queueSubmit(queue, 1, &submitInfoReset, DE_NULL);
618
619                 // Trivially wait for reset to complete. This is to ensure the query pool is in reset state before
620                 // host accesses, so as to not insert any synchronization before capturing the results needed for WAIT_NONE
621                 // variant of test.
622                 VK_CHECK(vk.queueWaitIdle(queue));
623         }
624
625         {
626                 const vk::VkSubmitInfo submitInfoRender =
627                 {
628                         vk::VK_STRUCTURE_TYPE_SUBMIT_INFO,      // VkStructureType                      sType;
629                         DE_NULL,                                                        // const void*                          pNext;
630                         0,                                                                      // deUint32                                     waitSemaphoreCount;
631                         DE_NULL,                                                        // const VkSemaphore*           pWaitSemaphores;
632                         (const vk::VkPipelineStageFlags*)DE_NULL,
633                         1,                                                                      // deUint32                                     commandBufferCount;
634                         &m_renderCommandBuffer.get(),           // const VkCommandBuffer*       pCommandBuffers;
635                         0,                                                                      // deUint32                                     signalSemaphoreCount;
636                         DE_NULL                                                         // const VkSemaphore*           pSignalSemaphores;
637                 };
638                 vk.queueSubmit(queue, 1, &submitInfoRender, DE_NULL);
639         }
640
641         if (m_testVector.queryWait == WAIT_QUEUE)
642         {
643                 VK_CHECK(vk.queueWaitIdle(queue));
644         }
645
646         if (hasSeparateCopyCmdBuf())
647         {
648                 // In case of WAIT_QUEUE test variant, the previously submitted m_renderCommandBuffer did not
649                 // contain vkCmdCopyQueryResults, so additional cmd buffer is needed.
650
651                 // In the case of WAIT_NONE or WAIT_QUERY, vkCmdCopyQueryResults is stored in m_renderCommandBuffer.
652
653                 const vk::VkSubmitInfo submitInfo =
654                 {
655                         vk::VK_STRUCTURE_TYPE_SUBMIT_INFO,      // VkStructureType                      sType;
656                         DE_NULL,                                                        // const void*                          pNext;
657                         0,                                                                      // deUint32                                     waitSemaphoreCount;
658                         DE_NULL,                                                        // const VkSemaphore*           pWaitSemaphores;
659                         (const vk::VkPipelineStageFlags*)DE_NULL,
660                         1,                                                                      // deUint32                                     commandBufferCount;
661                         &m_copyResultsCommandBuffer.get(),      // const VkCommandBuffer*       pCommandBuffers;
662                         0,                                                                      // deUint32                                     signalSemaphoreCount;
663                         DE_NULL                                                         // const VkSemaphore*           pSignalSemaphores;
664                 };
665                 vk.queueSubmit(queue, 1, &submitInfo, DE_NULL);
666         }
667
668         if (m_testVector.queryResultsMode == RESULTS_MODE_COPY)
669         {
670                 // In case of vkCmdCopyQueryResults is used, test must always wait for it
671                 // to complete before we can read the result buffer.
672
673                 VK_CHECK(vk.queueWaitIdle(queue));
674         }
675
676         deUint64        queryResults            [NUM_QUERIES_IN_POOL];
677         deUint64        queryAvailability       [NUM_QUERIES_IN_POOL];
678
679         // Allow not ready results only if nobody waited before getting the query results
680         const bool      allowNotReady           = (m_testVector.queryWait == WAIT_NONE);
681
682         captureResults(queryResults, queryAvailability, allowNotReady);
683
684         log << tcu::TestLog::Section("OcclusionQueryResults", "Occlusion query results");
685
686         logResults(queryResults, queryAvailability);
687         bool passed = validateResults(queryResults, queryAvailability, allowNotReady, m_testVector.primitiveTopology);
688
689         log << tcu::TestLog::EndSection;
690
691         if (m_testVector.queryResultsMode != RESULTS_MODE_COPY)
692         {
693                 VK_CHECK(vk.queueWaitIdle(queue));
694         }
695
696                 if (passed)
697         {
698                 return tcu::TestStatus(QP_TEST_RESULT_PASS, "Query result verification passed");
699         }
700         return tcu::TestStatus(QP_TEST_RESULT_FAIL, "Query result verification failed");
701 }
702
703 bool OcclusionQueryTestInstance::hasSeparateResetCmdBuf (void) const
704 {
705         // Determine if resetting query pool should be performed in separate command buffer
706         // to avoid race condition between host query access and device query reset.
707
708         if (m_testVector.queryResultsMode == RESULTS_MODE_COPY)
709         {
710                 // We copy query results on device, so there is no race condition between
711                 // host and device
712                 return false;
713         }
714         if (m_testVector.queryWait == WAIT_QUEUE)
715         {
716                 // We wait for queue to be complete before accessing query results
717                 return false;
718         }
719
720         // Separate command buffer with reset must be submitted & completed before
721         // host accesses the query results
722         return true;
723 }
724
725 bool OcclusionQueryTestInstance::hasSeparateCopyCmdBuf (void) const
726 {
727         // Copy query results must go into separate command buffer, if we want to wait on queue before that
728         return (m_testVector.queryResultsMode == RESULTS_MODE_COPY && m_testVector.queryWait == WAIT_QUEUE);
729 }
730
731 vk::Move<vk::VkCommandBuffer> OcclusionQueryTestInstance::recordQueryPoolReset (vk::VkCommandPool cmdPool)
732 {
733         const vk::VkDevice                              device          = m_context.getDevice();
734         const vk::DeviceInterface&              vk                      = m_context.getDeviceInterface();
735
736         DE_ASSERT(hasSeparateResetCmdBuf());
737
738         vk::Move<vk::VkCommandBuffer>   cmdBuffer       (vk::allocateCommandBuffer(vk, device, cmdPool, vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY));
739
740         beginCommandBuffer(vk, *cmdBuffer);
741         vk.cmdResetQueryPool(*cmdBuffer, m_queryPool, 0, NUM_QUERIES_IN_POOL);
742         endCommandBuffer(vk, *cmdBuffer);
743
744         return cmdBuffer;
745 }
746
747 vk::Move<vk::VkCommandBuffer> OcclusionQueryTestInstance::recordRender (vk::VkCommandPool cmdPool)
748 {
749         const vk::VkDevice                              device          = m_context.getDevice();
750         const vk::DeviceInterface&              vk                      = m_context.getDeviceInterface();
751
752         vk::Move<vk::VkCommandBuffer>   cmdBuffer       (vk::allocateCommandBuffer(vk, device, cmdPool, vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY));
753
754         beginCommandBuffer(vk, *cmdBuffer);
755
756         initialTransitionColor2DImage(vk, *cmdBuffer, m_stateObjects->m_colorAttachmentImage->object(), vk::VK_IMAGE_LAYOUT_GENERAL,
757                                                                   vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, vk::VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
758         initialTransitionDepth2DImage(vk, *cmdBuffer, m_stateObjects->m_DepthImage->object(), vk::VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
759                                                                   vk::VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT, vk::VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | vk::VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT);
760
761         std::vector<vk::VkClearValue>   renderPassClearValues(2);
762         deMemset(&renderPassClearValues[0], 0, static_cast<int>(renderPassClearValues.size()) * sizeof(vk::VkClearValue));
763
764         if (!hasSeparateResetCmdBuf())
765         {
766                 vk.cmdResetQueryPool(*cmdBuffer, m_queryPool, 0, NUM_QUERIES_IN_POOL);
767         }
768
769         beginRenderPass(vk, *cmdBuffer, *m_stateObjects->m_renderPass, *m_stateObjects->m_framebuffer, vk::makeRect2D(0, 0, StateObjects::WIDTH, StateObjects::HEIGHT), (deUint32)renderPassClearValues.size(), &renderPassClearValues[0]);
770
771         vk.cmdBindPipeline(*cmdBuffer, vk::VK_PIPELINE_BIND_POINT_GRAPHICS,     *m_stateObjects->m_pipeline);
772
773         vk::VkBuffer vertexBuffer = m_stateObjects->m_vertexBuffer->object();
774         const vk::VkDeviceSize vertexBufferOffset = 0;
775         vk.cmdBindVertexBuffers(*cmdBuffer, 0, 1, &vertexBuffer, &vertexBufferOffset);
776
777         // Draw un-occluded geometry
778         vk.cmdBeginQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_ALL, m_testVector.queryControlFlags);
779         vk.cmdDraw(*cmdBuffer, NUM_VERTICES_IN_DRAWCALL, 1, START_VERTEX, 0);
780         vk.cmdEndQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_ALL);
781
782         // Partially occlude geometry
783         vk.cmdDraw(*cmdBuffer, NUM_VERTICES_IN_PARTIALLY_OCCLUDED_DRAWCALL, 1, START_VERTEX_PARTIALLY_OCCLUDED, 0);
784
785         // Draw partially-occluded geometry
786         vk.cmdBeginQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_PARTIALLY_OCCLUDED, m_testVector.queryControlFlags);
787         vk.cmdDraw(*cmdBuffer, NUM_VERTICES_IN_DRAWCALL, 1, START_VERTEX, 0);
788         vk.cmdEndQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_PARTIALLY_OCCLUDED);
789
790         // Occlude geometry
791         vk.cmdDraw(*cmdBuffer, NUM_VERTICES_IN_OCCLUDER_DRAWCALL, 1, START_VERTEX_OCCLUDER, 0);
792
793         // Draw occluded geometry
794         vk.cmdBeginQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_OCCLUDED, m_testVector.queryControlFlags);
795         vk.cmdDraw(*cmdBuffer, NUM_VERTICES_IN_DRAWCALL, 1, START_VERTEX, 0);
796         vk.cmdEndQuery(*cmdBuffer, m_queryPool, QUERY_INDEX_CAPTURE_OCCLUDED);
797
798         endRenderPass(vk, *cmdBuffer);
799
800         if (m_testVector.queryResultsMode == RESULTS_MODE_COPY && !hasSeparateCopyCmdBuf())
801         {
802                 vk.cmdCopyQueryPoolResults(*cmdBuffer, m_queryPool, 0, NUM_QUERIES_IN_POOL, m_queryPoolResultsBuffer->object(), /*dstOffset*/ 0, m_testVector.queryResultsStride, m_queryResultFlags);
803         }
804
805         transition2DImage(vk, *cmdBuffer, m_stateObjects->m_colorAttachmentImage->object(), vk::VK_IMAGE_ASPECT_COLOR_BIT, vk::VK_IMAGE_LAYOUT_GENERAL,
806                                           vk::VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, vk::VK_ACCESS_TRANSFER_READ_BIT,
807                                           vk::VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, vk::VK_PIPELINE_STAGE_TRANSFER_BIT);
808
809         endCommandBuffer(vk, *cmdBuffer);
810
811         return cmdBuffer;
812 }
813
814 vk::Move<vk::VkCommandBuffer> OcclusionQueryTestInstance::recordCopyResults (vk::VkCommandPool cmdPool)
815 {
816         const vk::VkDevice                              device          = m_context.getDevice();
817         const vk::DeviceInterface&              vk                      = m_context.getDeviceInterface();
818
819         vk::Move<vk::VkCommandBuffer>   cmdBuffer       (vk::allocateCommandBuffer(vk, device, cmdPool, vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY));
820
821         beginCommandBuffer(vk, *cmdBuffer);
822         vk.cmdCopyQueryPoolResults(*cmdBuffer, m_queryPool, 0, NUM_QUERIES_IN_POOL, m_queryPoolResultsBuffer->object(), /*dstOffset*/ 0, m_testVector.queryResultsStride, m_queryResultFlags);
823         endCommandBuffer(vk, *cmdBuffer);
824
825         return cmdBuffer;
826 }
827
828 void OcclusionQueryTestInstance::captureResults (deUint64* retResults, deUint64* retAvailAbility, bool allowNotReady)
829 {
830
831         const vk::VkDevice                      device                  = m_context.getDevice();
832         const vk::DeviceInterface&      vk                              = m_context.getDeviceInterface();
833         std::vector<deUint8>            resultsBuffer   (static_cast<size_t>(m_testVector.queryResultsStride) * NUM_QUERIES_IN_POOL);
834
835         if (m_testVector.queryResultsMode == RESULTS_MODE_GET)
836         {
837                 const vk::VkResult queryResult = vk.getQueryPoolResults(device, m_queryPool, 0, NUM_QUERIES_IN_POOL, resultsBuffer.size(), &resultsBuffer[0], m_testVector.queryResultsStride, m_queryResultFlags);
838                 if (queryResult == vk::VK_NOT_READY && !allowNotReady)
839                 {
840                         TCU_FAIL("getQueryPoolResults returned VK_NOT_READY, but results should be already available.");
841                 }
842                 else
843                 {
844                         VK_CHECK(queryResult);
845                 }
846         }
847         else if (m_testVector.queryResultsMode == RESULTS_MODE_COPY)
848         {
849                 const vk::Allocation& allocation = m_queryPoolResultsBuffer->getBoundMemory();
850                 const void* allocationData = allocation.getHostPtr();
851
852                 vk::invalidateAlloc(vk, device, allocation);
853
854                 deMemcpy(&resultsBuffer[0], allocationData, resultsBuffer.size());
855         }
856
857         for (int queryNdx = 0; queryNdx < NUM_QUERIES_IN_POOL; queryNdx++)
858         {
859                 const void* srcPtr = &resultsBuffer[queryNdx * static_cast<size_t>(m_testVector.queryResultsStride)];
860                 if (m_testVector.queryResultSize == RESULT_SIZE_32_BIT)
861                 {
862                         const deUint32* srcPtrTyped = static_cast<const deUint32*>(srcPtr);
863                         retResults[queryNdx]            = *srcPtrTyped;
864                         if (m_testVector.queryResultsAvailability)
865                         {
866                                 retAvailAbility[queryNdx] = *(srcPtrTyped + 1);
867                         }
868                 }
869                 else if (m_testVector.queryResultSize == RESULT_SIZE_64_BIT)
870                 {
871                         const deUint64* srcPtrTyped = static_cast<const deUint64*>(srcPtr);
872                         retResults[queryNdx]            = *srcPtrTyped;
873
874                         if (m_testVector.queryResultsAvailability)
875                         {
876                                 if (m_testVector.queryResultsAvailability)
877                                 {
878                                         retAvailAbility[queryNdx] = *(srcPtrTyped + 1);
879                                 }
880                         }
881                 }
882                 else
883                 {
884                         TCU_FAIL("Wrong m_testVector.queryResultSize");
885                 }
886         }
887 }
888
889 void OcclusionQueryTestInstance::logResults (const deUint64* results, const deUint64* availability)
890 {
891         tcu::TestLog& log = m_context.getTestContext().getLog();
892
893         for (int ndx = 0; ndx < NUM_QUERIES_IN_POOL; ++ndx)
894         {
895                 if (!m_testVector.queryResultsAvailability)
896                 {
897                         log << tcu::TestLog::Message << "query[ slot == " << ndx << "] result == " << results[ndx] << tcu::TestLog::EndMessage;
898                 }
899                 else
900                 {
901                         log << tcu::TestLog::Message << "query[ slot == " << ndx << "] result == " << results[ndx] << ", availability   == " << availability[ndx] << tcu::TestLog::EndMessage;
902                 }
903         }
904 }
905
906 bool OcclusionQueryTestInstance::validateResults (const deUint64* results , const deUint64* availability, bool allowUnavailable, vk::VkPrimitiveTopology primitiveTopology)
907 {
908         bool passed                     = true;
909         tcu::TestLog& log       = m_context.getTestContext().getLog();
910
911         for (int queryNdx = 0; queryNdx < NUM_QUERIES_IN_POOL; ++queryNdx)
912         {
913                 deUint64 expectedValueMin = 0;
914                 deUint64 expectedValueMax = 0;
915
916                 if (m_testVector.queryResultsAvailability && availability[queryNdx] == 0)
917                 {
918                         // query result was not available
919                         if (!allowUnavailable)
920                         {
921                                 log << tcu::TestLog::Message << "query results availability was 0 for index "
922                                         << queryNdx << ", expected any value greater than 0." << tcu::TestLog::EndMessage;
923                                 passed = false;
924                                 continue;
925                         }
926                 }
927                 else
928                 {
929                         // query is available, so expect proper result values
930                         if (primitiveTopology == vk::VK_PRIMITIVE_TOPOLOGY_POINT_LIST)
931                         {
932                                 switch (queryNdx)
933                                 {
934                                         case QUERY_INDEX_CAPTURE_OCCLUDED:
935                                                 expectedValueMin = 0;
936                                                 expectedValueMax = 0;
937                                                 break;
938                                         case QUERY_INDEX_CAPTURE_PARTIALLY_OCCLUDED:
939                                                 expectedValueMin = 1;
940                                                 expectedValueMax = 1;
941                                                 break;
942                                         case QUERY_INDEX_CAPTURE_ALL:
943                                                 expectedValueMin = NUM_VERTICES_IN_DRAWCALL;
944                                                 expectedValueMax = NUM_VERTICES_IN_DRAWCALL;
945                                                 break;
946                                 }
947                         }
948                         else if (primitiveTopology == vk::VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST)
949                         {
950                                 switch (queryNdx)
951                                 {
952                                         case QUERY_INDEX_CAPTURE_OCCLUDED:
953                                                 expectedValueMin = 0;
954                                                 expectedValueMax = 0;
955                                                 break;
956                                         case QUERY_INDEX_CAPTURE_PARTIALLY_OCCLUDED:
957                                         case QUERY_INDEX_CAPTURE_ALL:
958                                                 {
959                                                         const int primWidth             = StateObjects::WIDTH  / 2;
960                                                         const int primHeight    = StateObjects::HEIGHT / 2;
961                                                         const int primArea              = primWidth * primHeight / 2;
962
963                                                         if (m_testVector.discardHalf)
964                                                         {
965                                                                 expectedValueMin        = (int)(0.95f * primArea * 0.5f);
966                                                                 expectedValueMax        = (int)(1.05f * primArea * 0.5f);
967                                                         }
968                                                         else
969                                                         {
970                                                                 expectedValueMin        = (int)(0.97f * primArea);
971                                                                 expectedValueMax        = (int)(1.03f * primArea);
972                                                         }
973                                                 }
974                                 }
975                         }
976                         else
977                         {
978                                 TCU_FAIL("Unsupported primitive topology");
979                         }
980                 }
981
982                 if ((m_testVector.queryControlFlags & vk::VK_QUERY_CONTROL_PRECISE_BIT) || (expectedValueMin == 0 && expectedValueMax == 0))
983                 {
984                         // require precise value
985                         if (results[queryNdx] < expectedValueMin || results[queryNdx] > expectedValueMax)
986                         {
987                                 log << tcu::TestLog::Message << "wrong value of query for index "
988                                         << queryNdx << ", expected the value minimum of " << expectedValueMin << ", maximum of " << expectedValueMax << " got "
989                                         << results[queryNdx] << "." << tcu::TestLog::EndMessage;
990                                 passed = false;
991                         }
992                 }
993                 else
994                 {
995                         // require imprecise value greater than 0
996                         if (results[queryNdx] == 0)
997                         {
998                                 log << tcu::TestLog::Message << "wrong value of query for index "
999                                         << queryNdx << ", expected any non-zero value, got "
1000                                         << results[queryNdx] << "." << tcu::TestLog::EndMessage;
1001                                 passed = false;
1002                         }
1003                 }
1004         }
1005         return passed;
1006 }
1007
1008 template<class Instance>
1009 class QueryPoolOcclusionTest : public vkt::TestCase
1010 {
1011 public:
1012         QueryPoolOcclusionTest (tcu::TestContext &context, const char *name, const char *description, const OcclusionQueryTestVector& testVector)
1013                 : TestCase                      (context, name, description)
1014                 , m_testVector          (testVector)
1015         {
1016         }
1017 private:
1018         vkt::TestInstance* createInstance (vkt::Context& context) const
1019         {
1020                 return new Instance(context, m_testVector);
1021         }
1022
1023         void initPrograms(vk::SourceCollections& programCollection) const
1024         {
1025                 const char* const discard =
1026                         "       if ((int(gl_FragCoord.x) % 2) == (int(gl_FragCoord.y) % 2))\n"
1027                         "               discard;\n";
1028
1029                 const std::string fragSrc = std::string(
1030                         "#version 400\n"
1031                         "layout(location = 0) out vec4 out_FragColor;\n"
1032                         "void main()\n"
1033                         "{\n"
1034                         "       out_FragColor = vec4(0.07, 0.48, 0.75, 1.0);\n")
1035                         + std::string(m_testVector.discardHalf ? discard : "")
1036                         + "}\n";
1037
1038                 programCollection.glslSources.add("frag") << glu::FragmentSource(fragSrc.c_str());
1039
1040                 programCollection.glslSources.add("vert") << glu::VertexSource("#version 430\n"
1041                                                                                                                                                  "layout(location = 0) in vec4 in_Position;\n"
1042                                                                                                                                                  "out gl_PerVertex { vec4 gl_Position; float gl_PointSize; };\n"
1043                                                                                                                                                  "void main() {\n"
1044                                                                                                                                                  "      gl_Position  = in_Position;\n"
1045                                                                                                                                                  "      gl_PointSize = 1.0;\n"
1046                                                                                                                                                  "}\n");
1047         }
1048
1049         OcclusionQueryTestVector m_testVector;
1050 };
1051
1052 } //anonymous
1053
1054 QueryPoolOcclusionTests::QueryPoolOcclusionTests (tcu::TestContext &testCtx)
1055         : TestCaseGroup(testCtx, "occlusion_query", "Tests for occlusion queries")
1056 {
1057         /* Left blank on purpose */
1058 }
1059
1060 QueryPoolOcclusionTests::~QueryPoolOcclusionTests (void)
1061 {
1062         /* Left blank on purpose */
1063 }
1064
1065 void QueryPoolOcclusionTests::init (void)
1066 {
1067         OcclusionQueryTestVector baseTestVector;
1068         baseTestVector.queryControlFlags                = 0;
1069         baseTestVector.queryResultSize                  = RESULT_SIZE_64_BIT;
1070         baseTestVector.queryWait                                = WAIT_QUEUE;
1071         baseTestVector.queryResultsMode                 = RESULTS_MODE_GET;
1072         baseTestVector.queryResultsStride               = sizeof(deUint64);
1073         baseTestVector.queryResultsAvailability = false;
1074         baseTestVector.primitiveTopology                = vk::VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
1075         baseTestVector.discardHalf                              = false;
1076
1077         //Basic tests
1078         {
1079                 OcclusionQueryTestVector testVector = baseTestVector;
1080                 testVector.queryControlFlags = 0;
1081                 addChild(new QueryPoolOcclusionTest<BasicOcclusionQueryTestInstance>(m_testCtx, "basic_conservative",   "draw with conservative occlusion query",       testVector));
1082                 testVector.queryControlFlags = vk::VK_QUERY_CONTROL_PRECISE_BIT;
1083                 addChild(new QueryPoolOcclusionTest<BasicOcclusionQueryTestInstance>(m_testCtx, "basic_precise",                "draw with precise occlusion query",            testVector));
1084         }
1085
1086         // Functional test
1087         {
1088                 const vk::VkQueryControlFlags   controlFlags[]          = { 0,                                  vk::VK_QUERY_CONTROL_PRECISE_BIT        };
1089                 const char* const                               controlFlagsStr[]       = { "conservative",             "precise"                                                       };
1090
1091                 for (int controlFlagIdx = 0; controlFlagIdx < DE_LENGTH_OF_ARRAY(controlFlags); ++controlFlagIdx)
1092                 {
1093
1094                         const vk::VkPrimitiveTopology   primitiveTopology[]             = { vk::VK_PRIMITIVE_TOPOLOGY_POINT_LIST, vk::VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST };
1095                         const char* const                               primitiveTopologyStr[]  = { "points", "triangles" };
1096                         for (int primitiveTopologyIdx = 0; primitiveTopologyIdx < DE_LENGTH_OF_ARRAY(primitiveTopology); ++primitiveTopologyIdx)
1097                         {
1098
1099                                 const OcclusionQueryResultSize  resultSize[]    = { RESULT_SIZE_32_BIT, RESULT_SIZE_64_BIT };
1100                                 const char* const                               resultSizeStr[] = { "32",                               "64" };
1101
1102                                 for (int resultSizeIdx = 0; resultSizeIdx < DE_LENGTH_OF_ARRAY(resultSize); ++resultSizeIdx)
1103                                 {
1104
1105                                         const OcclusionQueryWait        wait[]          = { WAIT_QUEUE, WAIT_QUERY };
1106                                         const char* const                       waitStr[]       = { "queue",    "query" };
1107
1108                                         for (int waitIdx = 0; waitIdx < DE_LENGTH_OF_ARRAY(wait); ++waitIdx)
1109                                         {
1110                                                 const OcclusionQueryResultsMode resultsMode[]           = { RESULTS_MODE_GET,   RESULTS_MODE_COPY };
1111                                                 const char* const                               resultsModeStr[]        = { "get",                              "copy" };
1112
1113                                                 for (int resultsModeIdx = 0; resultsModeIdx < DE_LENGTH_OF_ARRAY(resultsMode); ++resultsModeIdx)
1114                                                 {
1115
1116                                                         const bool                      testAvailability[]              = { false, true };
1117                                                         const char* const       testAvailabilityStr[]   = { "without", "with"};
1118
1119                                                         for (int testAvailabilityIdx = 0; testAvailabilityIdx < DE_LENGTH_OF_ARRAY(testAvailability); ++testAvailabilityIdx)
1120                                                         {
1121                                                                 const bool                      discardHalf[]           = { false, true };
1122                                                                 const char* const       discardHalfStr[]        = { "", "_discard" };
1123
1124                                                                 for (int discardHalfIdx = 0; discardHalfIdx < DE_LENGTH_OF_ARRAY(discardHalf); ++discardHalfIdx)
1125                                                                 {
1126                                                                         OcclusionQueryTestVector testVector                     = baseTestVector;
1127                                                                         testVector.queryControlFlags                            = controlFlags[controlFlagIdx];
1128                                                                         testVector.queryResultSize                                      = resultSize[resultSizeIdx];
1129                                                                         testVector.queryWait                                            = wait[waitIdx];
1130                                                                         testVector.queryResultsMode                                     = resultsMode[resultsModeIdx];
1131                                                                         testVector.queryResultsStride                           = (testVector.queryResultSize == RESULT_SIZE_32_BIT ? sizeof(deUint32) : sizeof(deUint64));
1132                                                                         testVector.queryResultsAvailability                     = testAvailability[testAvailabilityIdx];
1133                                                                         testVector.primitiveTopology                            = primitiveTopology[primitiveTopologyIdx];
1134                                                                         testVector.discardHalf                                          = discardHalf[discardHalfIdx];
1135
1136                                                                         if (testVector.discardHalf && testVector.primitiveTopology == vk::VK_PRIMITIVE_TOPOLOGY_POINT_LIST)
1137                                                                                 continue; // Discarding half of the pixels in fragment shader doesn't make sense with one-pixel-sized points.
1138
1139                                                                         if (testVector.queryResultsAvailability)
1140                                                                         {
1141                                                                                 testVector.queryResultsStride *= 2;
1142                                                                         }
1143
1144                                                                         std::ostringstream testName;
1145                                                                         std::ostringstream testDescr;
1146
1147                                                                         testName << resultsModeStr[resultsModeIdx] << "_results"
1148                                                                                          << "_" << controlFlagsStr[controlFlagIdx]
1149                                                                                          << "_size_" << resultSizeStr[resultSizeIdx]
1150                                                                                          << "_wait_" << waitStr[waitIdx]
1151                                                                                          << "_" << testAvailabilityStr[testAvailabilityIdx] << "_availability"
1152                                                                                          << "_draw_" <<  primitiveTopologyStr[primitiveTopologyIdx]
1153                                                                                          << discardHalfStr[discardHalfIdx];
1154
1155                                                                         testDescr << "draw occluded " << primitiveTopologyStr[primitiveTopologyIdx]
1156                                                                                           << "with " << controlFlagsStr[controlFlagIdx] << ", "
1157                                                                                           << resultsModeStr[resultsModeIdx] << " results "
1158                                                                                           << testAvailabilityStr[testAvailabilityIdx] << " availability bit as "
1159                                                                                           << resultSizeStr[resultSizeIdx] << "bit variables,"
1160                                                                                           << (testVector.discardHalf ? " discarding half of the fragments," : "")
1161                                                                                           << "wait for results on" << waitStr[waitIdx];
1162
1163                                                                         addChild(new QueryPoolOcclusionTest<OcclusionQueryTestInstance>(m_testCtx, testName.str().c_str(), testDescr.str().c_str(), testVector));
1164                                                                 }
1165                                                         }
1166                                                 }
1167                                         }
1168                                 }
1169                         }
1170                 }
1171         }
1172         // Test different strides
1173         {
1174                 const OcclusionQueryResultsMode resultsMode[]           = { RESULTS_MODE_GET,   RESULTS_MODE_COPY       };
1175                 const char* const                               resultsModeStr[]        = { "get",                              "copy"                          };
1176
1177                 for (int resultsModeIdx = 0; resultsModeIdx < DE_LENGTH_OF_ARRAY(resultsMode); ++resultsModeIdx)
1178                 {
1179                         const OcclusionQueryResultSize  resultSizes[]   = { RESULT_SIZE_32_BIT, RESULT_SIZE_64_BIT };
1180                         const char* const                               resultSizeStr[] = { "32", "64" };
1181
1182                         const bool                      testAvailability[]              = { false,              true    };
1183                         const char* const       testAvailabilityStr[]   = { "without",  "with"  };
1184
1185                         for (int testAvailabilityIdx = 0; testAvailabilityIdx < DE_LENGTH_OF_ARRAY(testAvailability); ++testAvailabilityIdx)
1186                         {
1187                                 for (int resultSizeIdx = 0; resultSizeIdx < DE_LENGTH_OF_ARRAY(resultSizes); ++resultSizeIdx)
1188                                 {
1189                                         const vk::VkDeviceSize resultSize       = (resultSizes[resultSizeIdx] == RESULT_SIZE_32_BIT ? sizeof(deUint32) : sizeof(deUint64));
1190
1191                                         // \todo [2015-12-18 scygan] Ensure only stride values aligned to resultSize are allowed. Otherwise test should be extended.
1192                                         const vk::VkDeviceSize strides[]        =
1193                                         {
1194                                                 1 * resultSize,
1195                                                 2 * resultSize,
1196                                                 3 * resultSize,
1197                                                 4 * resultSize,
1198                                                 5 * resultSize,
1199                                                 13 * resultSize,
1200                                                 1024 * resultSize
1201                                         };
1202
1203                                         for (int strideIdx = 0; strideIdx < DE_LENGTH_OF_ARRAY(strides); strideIdx++)
1204                                         {
1205                                                 OcclusionQueryTestVector testVector             = baseTestVector;
1206                                                 testVector.queryResultsMode                             = resultsMode[resultsModeIdx];
1207                                                 testVector.queryResultSize                              = resultSizes[resultSizeIdx];
1208                                                 testVector.queryResultsAvailability             = testAvailability[testAvailabilityIdx];
1209                                                 testVector.queryResultsStride                   = strides[strideIdx];
1210
1211                                                 const vk::VkDeviceSize elementSize              = (testVector.queryResultsAvailability ? resultSize * 2 : resultSize);
1212
1213                                                 if (elementSize > testVector.queryResultsStride)
1214                                                 {
1215                                                         continue;
1216                                                 }
1217
1218                                                 std::ostringstream testName;
1219                                                 std::ostringstream testDescr;
1220
1221                                                 testName << resultsModeStr[resultsModeIdx]
1222                                                                  << "_results_size_" << resultSizeStr[resultSizeIdx]
1223                                                                  << "_stride_" << strides[strideIdx]
1224                                                                  << "_" << testAvailabilityStr[testAvailabilityIdx] << "_availability";
1225
1226                                                 testDescr << resultsModeStr[resultsModeIdx] << " results "
1227                                                                   << testAvailabilityStr[testAvailabilityIdx] << " availability bit as "
1228                                                                   << resultSizeStr[resultSizeIdx] << "bit variables, with stride" << strides[strideIdx];
1229
1230                                                 addChild(new QueryPoolOcclusionTest<OcclusionQueryTestInstance>(m_testCtx, testName.str().c_str(), testDescr.str().c_str(), testVector));
1231                                         }
1232                                 }
1233                         }
1234                 }
1235
1236         }
1237 }
1238
1239 } //QueryPool
1240 } //vkt
1241