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1 #ifndef _VKTDRAWUTIL_HPP
2 #define _VKTDRAWUTIL_HPP
3 /*-------------------------------------------------------------------------
4  * Vulkan CTS Framework
5  * --------------------
6  *
7  * Copyright (c) 2016 The Khronos Group Inc.
8  * Copyright (c) 2016 Google Inc.
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License");
11  * you may not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  *      http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS,
18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  *//*!
23  * \file
24  * \brief Utility for generating simple work
25  *//*--------------------------------------------------------------------*/
26 
27 #include "vkDefs.hpp"
28 
29 #include "deUniquePtr.hpp"
30 #include "vkBufferWithMemory.hpp"
31 #include "vkImageWithMemory.hpp"
32 #include "vkImageUtil.hpp"
33 #include "vkPrograms.hpp"
34 #include "vktTestCase.hpp"
35 #include "vkTypeUtil.hpp"
36 #include "rrRenderer.hpp"
37 #include <memory>
38 
39 namespace vkt
40 {
41 namespace drawutil
42 {
43 
44 struct FrameBufferState
45 {
46 	FrameBufferState()										= delete;
47 	FrameBufferState(deUint32 renderWidth_, deUint32 renderHeight_);
48 
49 	vk::VkFormat					colorFormat				= vk::VK_FORMAT_R8G8B8A8_UNORM;
50 	vk::VkFormat					depthFormat				= vk::VK_FORMAT_UNDEFINED;
51 	tcu::UVec2						renderSize;
52 	deUint32						numSamples				= vk::VK_SAMPLE_COUNT_1_BIT;
53 	vk::VkImageView					depthImageView			= 0;
54 };
55 
56 struct PipelineState
57 {
58 	PipelineState()											= delete;
59 	PipelineState(const int subpixelBits);
60 
61 	bool							depthClampEnable		= false;
62 	bool							depthTestEnable			= false;
63 	bool							depthWriteEnable		= false;
64 	rr::TestFunc					compareOp				= rr::TESTFUNC_LESS;
65 	bool							depthBoundsTestEnable	= false;
66 	bool							blendEnable				= false;
67 	float							lineWidth				= 1.0;
68 	deUint32						numPatchControlPoints	= 0;
69 	bool							sampleShadingEnable		= false;
70 	int								subpixelBits;
71 
72 	// VK_EXT_depth_clip_enable
73 	bool							explicitDepthClipEnable	= false;
74 	bool							depthClipEnable			= false;
75 };
76 
77 struct DrawCallData
78 {
79 	DrawCallData()											= delete;
80 	DrawCallData(const vk::VkPrimitiveTopology topology_, const std::vector<tcu::Vec4>&	vertices_);
81 
82 	vk::VkPrimitiveTopology			topology;
83 	const std::vector<tcu::Vec4>&	vertices;
84 };
85 
86 //! Sets up a graphics pipeline and enables simple draw calls to predefined attachments.
87 //! Clip volume uses wc = 1.0, which gives clip coord ranges: x = [-1, 1], y = [-1, 1], z = [0, 1]
88 //! Clip coords (-1,-1) map to viewport coords (0, 0).
89 class DrawContext
90 {
91 public:
DrawContext(const FrameBufferState & framebufferState)92 											DrawContext				(const FrameBufferState&		framebufferState)
93 		: m_framebufferState					(framebufferState)
94 	{
95 	}
~DrawContext(void)96 	virtual									~DrawContext			(void)
97 	{
98 	}
99 
100 	virtual void							draw					(void) = 0;
101 	virtual tcu::ConstPixelBufferAccess		getColorPixels			(void) const = 0;
102 protected:
103 	const FrameBufferState&					m_framebufferState;
104 	std::vector<PipelineState>				m_pipelineStates;
105 	std::vector<DrawCallData>				m_drawCallData;
106 };
107 
108 class ReferenceDrawContext : public DrawContext
109 {
110 public:
111 	ReferenceDrawContext											(const FrameBufferState&		framebufferState );
112 	virtual									~ReferenceDrawContext	(void);
113 
114 	void									registerDrawObject		(const PipelineState&					pipelineState,
115 																	 std::shared_ptr<rr::VertexShader>&		vertexShader,
116 																	 std::shared_ptr<rr::FragmentShader>&	fragmentShader,
117 																	 const DrawCallData&					drawCallData);
118 	virtual void							draw					(void);
119 	virtual tcu::ConstPixelBufferAccess		getColorPixels			(void) const;
120 private:
121 	std::vector<std::shared_ptr<rr::VertexShader>>		m_vertexShaders;
122 	std::vector< std::shared_ptr<rr::FragmentShader>>	m_fragmentShaders;
123 	tcu::TextureLevel									m_refImage;
124 };
125 
126 struct VulkanShader
127 {
128 	VulkanShader	() = delete;
129 	VulkanShader	(const vk::VkShaderStageFlagBits stage_, const vk::ProgramBinary& binary_);
130 
131 	vk::VkShaderStageFlagBits	stage;
132 	const vk::ProgramBinary*	binary;
133 };
134 
135 struct VulkanProgram
136 {
137 	VulkanProgram	(const std::vector<VulkanShader>& shaders_);
138 
139 	std::vector<VulkanShader>	shaders;
140 	vk::VkDescriptorSetLayout	descriptorSetLayout	= 0;
141 	vk::VkDescriptorSet			descriptorSet		= 0;
142 };
143 
144 struct RenderObject
145 {
146 	enum VulkanContants
147 	{
148 		MAX_NUM_SHADER_MODULES = 5,
149 	};
150 
151 	vk::refdetails::Move<vk::VkPipelineLayout>	pipelineLayout;
152 	vk::refdetails::Move<vk::VkPipeline>		pipeline;
153 	vk::refdetails::Move<vk::VkShaderModule>	shaderModules[MAX_NUM_SHADER_MODULES];
154 	de::MovePtr<vk::BufferWithMemory>			vertexBuffer;
155 	deUint32									vertexCount;
156 	vk::VkDescriptorSetLayout					descriptorSetLayout = 0;
157 	vk::VkDescriptorSet							descriptorSet = 0;
158 
159 };
160 
161 class VulkanDrawContext : public DrawContext
162 {
163 public:
164 	VulkanDrawContext											(Context&					context,
165 																 const FrameBufferState&	frameBufferState);
166 	virtual									~VulkanDrawContext	(void);
167 
168 	void									registerDrawObject	(const PipelineState&		pipelineState,
169 																 const VulkanProgram&		vulkanProgram,
170 																 const DrawCallData&		drawCallData);
171 
172 	virtual void							draw				(void);
173 	virtual tcu::ConstPixelBufferAccess		getColorPixels		(void) const;
174 private:
175 	Context&									m_context;
176 	de::MovePtr<vk::ImageWithMemory>			m_colorImage;
177 	de::MovePtr<vk::ImageWithMemory>			m_resolveImage;
178 	de::MovePtr<vk::ImageWithMemory>			m_depthImage;
179 	de::MovePtr<vk::BufferWithMemory>			m_colorAttachmentBuffer;
180 	vk::refdetails::Move<vk::VkImageView>		m_colorImageView;
181 	vk::refdetails::Move<vk::VkImageView>		m_depthImageView;
182 	vk::refdetails::Move<vk::VkRenderPass>		m_renderPass;
183 	vk::refdetails::Move<vk::VkFramebuffer>		m_framebuffer;
184 	vk::refdetails::Move<vk::VkCommandPool>		m_cmdPool;
185 	vk::refdetails::Move<vk::VkCommandBuffer>	m_cmdBuffer;
186 
187 	std::vector<std::shared_ptr<RenderObject>>	m_renderObjects;
188 };
189 
190 std::string getPrimitiveTopologyShortName (const vk::VkPrimitiveTopology topology);
191 
192 } // drawutil
193 } // vkt
194 
195 #endif // _VKTDRAWUTIL_HPP
196