1 /*------------------------------------------------------------------------
2 * Vulkan Conformance Tests
3 * ------------------------
4 *
5 * Copyright (c) 2018 The Khronos Group Inc.
6 * Copyright (c) 2018 Danylo Piliaiev <danylo.piliaiev@gmail.com>
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 Conditional Rendering Test Utils
23 *//*--------------------------------------------------------------------*/
24
25 #include "vktConditionalRenderingTestUtil.hpp"
26 #include "vktDrawCreateInfoUtil.hpp"
27 #include "vkQueryUtil.hpp"
28 #include "vkCmdUtil.hpp"
29 #include "vkTypeUtil.hpp"
30
31 namespace vkt
32 {
33 namespace conditional
34 {
35
checkConditionalRenderingCapabilities(vkt::Context& context, const ConditionalData& data)36 void checkConditionalRenderingCapabilities (vkt::Context& context, const ConditionalData& data)
37 {
38 context.requireDeviceFunctionality("VK_EXT_conditional_rendering");
39
40 const auto& conditionalRenderingFeatures = context.getConditionalRenderingFeaturesEXT();
41
42 if (conditionalRenderingFeatures.conditionalRendering == VK_FALSE)
43 TCU_FAIL("conditionalRendering feature not supported but VK_EXT_conditional_rendering present");
44
45 if (data.conditionInherited && !conditionalRenderingFeatures.inheritedConditionalRendering)
46 TCU_THROW(NotSupportedError, "Device does not support inherited conditional rendering");
47 }
48
createConditionalRenderingBuffer(vkt::Context& context, const ConditionalData& data)49 de::SharedPtr<Draw::Buffer> createConditionalRenderingBuffer (vkt::Context& context, const ConditionalData& data)
50 {
51 const auto& vk = context.getDeviceInterface();
52 const auto device = context.getDevice();
53 const auto queueIndex = context.getUniversalQueueFamilyIndex();
54 const auto queue = context.getUniversalQueue();
55 auto& alloc = context.getDefaultAllocator();
56
57 // When padding the condition value, it will be surounded by two additional values with nonzero bytes in them.
58 // When choosing to apply an offset to the allocation, the offset will be four times the size of the condition variable.
59 const auto bufferSize = static_cast<vk::VkDeviceSize>(sizeof(data.conditionValue)) * (data.padConditionValue ? 3ull : 1ull);
60 const auto dataOffset = static_cast<vk::VkDeviceSize>(data.padConditionValue ? sizeof(data.conditionValue) : 0);
61 const auto allocOffset = static_cast<vk::VkDeviceSize>(sizeof(data.conditionValue) * (data.allocationOffset ? 4u : 0u));
62
63 // Create host-visible buffer. This may be the final buffer or only a staging buffer.
64 const auto hostUsage = ((data.memoryType == HOST) ? vk::VK_BUFFER_USAGE_CONDITIONAL_RENDERING_BIT_EXT : vk::VK_BUFFER_USAGE_TRANSFER_SRC_BIT);
65 de::SharedPtr<Draw::Buffer> hostBuffer = Draw::Buffer::createAndAlloc(vk, device,
66 Draw::BufferCreateInfo(bufferSize, hostUsage),
67 alloc,
68 vk::MemoryRequirement::HostVisible,
69 allocOffset);
70
71 // Copy data to host buffer.
72 deUint8* conditionBufferPtr = reinterpret_cast<deUint8*>(hostBuffer->getHostPtr());
73 deMemset(conditionBufferPtr, 1, static_cast<size_t>(bufferSize));
74 deMemcpy(conditionBufferPtr + dataOffset, &data.conditionValue, sizeof(data.conditionValue));
75 vk::flushAlloc(vk, context.getDevice(), hostBuffer->getBoundMemory());
76
77 // Return host buffer if appropriate.
78 if (data.memoryType == HOST)
79 return hostBuffer;
80
81 // Create and return device-local buffer otherwise, after copying host-visible buffer contents to it.
82 const auto deviceLocalUsage = (vk::VK_BUFFER_USAGE_CONDITIONAL_RENDERING_BIT_EXT | vk::VK_BUFFER_USAGE_TRANSFER_DST_BIT);
83 de::SharedPtr<Draw::Buffer> deviceLocalBuffer = Draw::Buffer::createAndAlloc(vk, device,
84 Draw::BufferCreateInfo(bufferSize, deviceLocalUsage),
85 alloc,
86 vk::MemoryRequirement::Local,
87 allocOffset);
88
89 const auto cmdPool = vk::makeCommandPool(vk, device, queueIndex);
90 const auto cmdBuffer = vk::allocateCommandBuffer (vk, device, cmdPool.get(), vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY);
91 const auto copyInfo = vk::makeBufferCopy(0ull, 0ull, bufferSize);
92
93 vk::beginCommandBuffer(vk, *cmdBuffer);
94 vk.cmdCopyBuffer(*cmdBuffer, hostBuffer->object(), deviceLocalBuffer->object(), 1, ©Info);
95 vk::endCommandBuffer(vk, *cmdBuffer);
96 vk::submitCommandsAndWait(vk, device, queue, *cmdBuffer);
97
98 return deviceLocalBuffer;
99 }
100
beginConditionalRendering(const vk::DeviceInterface& vk, vk::VkCommandBuffer cmdBuffer, Draw::Buffer& buffer, const ConditionalData& data)101 void beginConditionalRendering (const vk::DeviceInterface& vk, vk::VkCommandBuffer cmdBuffer, Draw::Buffer& buffer, const ConditionalData& data)
102 {
103 vk::VkConditionalRenderingBeginInfoEXT conditionalRenderingBeginInfo;
104 conditionalRenderingBeginInfo.sType = vk::VK_STRUCTURE_TYPE_CONDITIONAL_RENDERING_BEGIN_INFO_EXT;
105 conditionalRenderingBeginInfo.pNext = nullptr;
106 conditionalRenderingBeginInfo.buffer = buffer.object();
107 conditionalRenderingBeginInfo.offset = static_cast<vk::VkDeviceSize>(data.padConditionValue ? sizeof(data.conditionValue) : 0u);
108 conditionalRenderingBeginInfo.flags = data.conditionInverted ? vk::VK_CONDITIONAL_RENDERING_INVERTED_BIT_EXT : 0;
109
110 vk.cmdBeginConditionalRenderingEXT(cmdBuffer, &conditionalRenderingBeginInfo);
111 }
112
operator <<(std::ostream& str, ConditionalData const& c)113 std::ostream& operator<< (std::ostream& str, ConditionalData const& c)
114 {
115 const bool conditionEnabled = c.conditionInPrimaryCommandBuffer || c.conditionInSecondaryCommandBuffer;
116 str << (conditionEnabled ? "condition" : "no_condition");
117 str << (c.memoryType ? "_host_memory" : "_local_memory");
118
119
120 if (c.conditionInSecondaryCommandBuffer || !conditionEnabled)
121 {
122 str << "_secondary_buffer";
123 }
124
125 if (c.conditionInherited)
126 {
127 str << "_inherited";
128 }
129
130 str << "_" << (c.expectCommandExecution ? "expect_execution" : "expect_noop");
131
132 if (c.conditionInverted)
133 {
134 str << "_inverted";
135 }
136
137 if (c.padConditionValue)
138 {
139 str << "_padded";
140 }
141
142 if (c.clearInRenderPass)
143 {
144 str << "_rp_clear";
145 }
146
147 return str;
148 }
149
150 } // conditional
151 } // vkt
152