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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 
29 namespace vkt
30 {
31 namespace conditional
32 {
33 
checkConditionalRenderingCapabilities(vkt::Context & context,const ConditionalData & data)34 void checkConditionalRenderingCapabilities (vkt::Context& context, const ConditionalData& data)
35 {
36 	if (!vk::isDeviceExtensionSupported(context.getUsedApiVersion(), context.getDeviceExtensions(), "VK_EXT_conditional_rendering"))
37 		TCU_THROW(NotSupportedError, "Missing extension: VK_EXT_conditional_rendering");
38 
39 	if (data.useSecondaryBuffer)
40 	{
41 		const vk::VkPhysicalDeviceConditionalRenderingFeaturesEXT& conditionalRenderingFeatures = context.getConditionalRenderingFeatures();
42 		if (!conditionalRenderingFeatures.inheritedConditionalRendering)
43 		{
44 			TCU_THROW(NotSupportedError, "Device does not support inherited conditional rendering");
45 		}
46 	}
47 }
48 
createConditionalRenderingBuffer(vkt::Context & context,const ConditionalData & data)49 de::SharedPtr<Draw::Buffer>	createConditionalRenderingBuffer (vkt::Context& context, const ConditionalData& data)
50 {
51 	const vk::DeviceInterface& vk = context.getDeviceInterface();
52 	de::SharedPtr<Draw::Buffer> buffer = Draw::Buffer::createAndAlloc(vk, context.getDevice(),
53 											Draw::BufferCreateInfo(sizeof(deUint32),
54 															 vk::VK_BUFFER_USAGE_CONDITIONAL_RENDERING_BIT_EXT),
55 											context.getDefaultAllocator(),
56 											vk::MemoryRequirement::HostVisible);
57 
58 	deUint8* conditionBufferPtr = reinterpret_cast<deUint8*>(buffer->getBoundMemory().getHostPtr());
59 	*(deUint32*)(conditionBufferPtr) = data.conditionValue;
60 
61 	vk::flushMappedMemoryRange(	vk,
62 								context.getDevice(),
63 								buffer->getBoundMemory().getMemory(),
64 								buffer->getBoundMemory().getOffset(),
65 								VK_WHOLE_SIZE);
66 	return buffer;
67 }
68 
beginConditionalRendering(const vk::DeviceInterface & vk,vk::VkCommandBuffer cmdBuffer,Draw::Buffer & buffer,const ConditionalData & data)69 void beginConditionalRendering (const vk::DeviceInterface& vk, vk::VkCommandBuffer cmdBuffer, Draw::Buffer& buffer, const ConditionalData& data)
70 {
71 	vk::VkConditionalRenderingBeginInfoEXT conditionalRenderingBeginInfo;
72 	conditionalRenderingBeginInfo.sType = vk::VK_STRUCTURE_TYPE_CONDITIONAL_RENDERING_BEGIN_INFO_EXT;
73 	conditionalRenderingBeginInfo.pNext = DE_NULL;
74 	conditionalRenderingBeginInfo.buffer = buffer.object();
75 	conditionalRenderingBeginInfo.offset = 0;
76 	conditionalRenderingBeginInfo.flags = data.conditionInverted ? vk::VK_CONDITIONAL_RENDERING_INVERTED_BIT_EXT : 0;
77 
78 	vk.cmdBeginConditionalRenderingEXT(cmdBuffer, &conditionalRenderingBeginInfo);
79 }
80 
operator <<(std::ostream & str,ConditionalData const & c)81 std::ostream& operator<< (std::ostream& str, ConditionalData const& c)
82 {
83 	str << (c.conditionEnabled ? "condition" : "no_condition");
84 
85 	if (c.useSecondaryBuffer)
86 	{
87 		str << "_secondary_buffer";
88 	}
89 
90 	str << "_" << (c.expectCommandExecution ? "expect_execution" : "expect_noop");
91 
92 	if (c.conditionInverted)
93 	{
94 		str << "_inverted";
95 	}
96 
97 	return str;
98 }
99 
100 }   // conditional
101 }	// vkt