2139 lines
		
	
	
	
		
			79 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			2139 lines
		
	
	
	
		
			79 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2015-2016 The Khronos Group Inc.
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|  * Copyright (c) 2015-2016 Valve Corporation
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|  * Copyright (c) 2015-2016 LunarG, Inc.
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
 | |
|  *
 | |
|  *     http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
 | |
|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  *
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|  * Author: Chia-I Wu <olvaffe@gmail.com>
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|  * Author: Cody Northrop <cody@lunarg.com>
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|  * Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
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|  * Author: Ian Elliott <ian@LunarG.com>
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|  * Author: Jon Ashburn <jon@lunarg.com>
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|  * Author: Piers Daniell <pdaniell@nvidia.com>
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|  * Author: Gwan-gyeong Mun <elongbug@gmail.com>
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|  * Porter: Camilla Löwy <elmindreda@glfw.org>
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|  */
 | |
| /*
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|  * Draw a textured triangle with depth testing.  This is written against Intel
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|  * ICD.  It does not do state transition nor object memory binding like it
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|  * should.  It also does no error checking.
 | |
|  */
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| 
 | |
| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #include <stdbool.h>
 | |
| #include <assert.h>
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| #include <signal.h>
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| 
 | |
| #ifdef _WIN32
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| #include <windows.h>
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| #endif
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| 
 | |
| #include <glad/vulkan.h>
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| #define GLFW_INCLUDE_NONE
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| #include <GLFW/glfw3.h>
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| 
 | |
| #define DEMO_TEXTURE_COUNT 1
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| #define VERTEX_BUFFER_BIND_ID 0
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| #define APP_SHORT_NAME "tri"
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| #define APP_LONG_NAME "The Vulkan Triangle Demo Program"
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| 
 | |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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| 
 | |
| #if defined(NDEBUG) && defined(__GNUC__)
 | |
| #define U_ASSERT_ONLY __attribute__((unused))
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| #else
 | |
| #define U_ASSERT_ONLY
 | |
| #endif
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| 
 | |
| #define ERR_EXIT(err_msg, err_class)                                           \
 | |
|     do {                                                                       \
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|         printf(err_msg);                                                       \
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|         fflush(stdout);                                                        \
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|         exit(1);                                                               \
 | |
|     } while (0)
 | |
| 
 | |
| static const uint32_t fragShaderCode[] = {
 | |
|     0x07230203,0x00010000,0x00080007,0x00000014,0x00000000,0x00020011,0x00000001,0x0006000b,
 | |
|     0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
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|     0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x00000011,0x00030010,
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|     0x00000004,0x00000007,0x00030003,0x00000002,0x00000190,0x00090004,0x415f4c47,0x735f4252,
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|     0x72617065,0x5f657461,0x64616873,0x6f5f7265,0x63656a62,0x00007374,0x00090004,0x415f4c47,
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|     0x735f4252,0x69646168,0x6c5f676e,0x75676e61,0x5f656761,0x70303234,0x006b6361,0x00040005,
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|     0x00000004,0x6e69616d,0x00000000,0x00050005,0x00000009,0x61724675,0x6c6f4367,0x0000726f,
 | |
|     0x00030005,0x0000000d,0x00786574,0x00050005,0x00000011,0x63786574,0x64726f6f,0x00000000,
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|     0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x00000022,0x00000000,
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|     0x00040047,0x0000000d,0x00000021,0x00000000,0x00040047,0x00000011,0x0000001e,0x00000000,
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|     0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006,0x00000020,
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|     0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003,0x00000007,
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|     0x0004003b,0x00000008,0x00000009,0x00000003,0x00090019,0x0000000a,0x00000006,0x00000001,
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|     0x00000000,0x00000000,0x00000000,0x00000001,0x00000000,0x0003001b,0x0000000b,0x0000000a,
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|     0x00040020,0x0000000c,0x00000000,0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000000,
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|     0x00040017,0x0000000f,0x00000006,0x00000002,0x00040020,0x00000010,0x00000001,0x0000000f,
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|     0x0004003b,0x00000010,0x00000011,0x00000001,0x00050036,0x00000002,0x00000004,0x00000000,
 | |
|     0x00000003,0x000200f8,0x00000005,0x0004003d,0x0000000b,0x0000000e,0x0000000d,0x0004003d,
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|     0x0000000f,0x00000012,0x00000011,0x00050057,0x00000007,0x00000013,0x0000000e,0x00000012,
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|     0x0003003e,0x00000009,0x00000013,0x000100fd,0x00010038
 | |
| };
 | |
| 
 | |
| static const uint32_t vertShaderCode[] = {
 | |
|     0x07230203,0x00010000,0x00080007,0x00000018,0x00000000,0x00020011,0x00000001,0x0006000b,
 | |
|     0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
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|     0x0009000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000b,0x00000010,
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|     0x00000014,0x00030003,0x00000002,0x00000190,0x00090004,0x415f4c47,0x735f4252,0x72617065,
 | |
|     0x5f657461,0x64616873,0x6f5f7265,0x63656a62,0x00007374,0x00090004,0x415f4c47,0x735f4252,
 | |
|     0x69646168,0x6c5f676e,0x75676e61,0x5f656761,0x70303234,0x006b6361,0x00040005,0x00000004,
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|     0x6e69616d,0x00000000,0x00050005,0x00000009,0x63786574,0x64726f6f,0x00000000,0x00040005,
 | |
|     0x0000000b,0x72747461,0x00000000,0x00060005,0x0000000e,0x505f6c67,0x65567265,0x78657472,
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|     0x00000000,0x00060006,0x0000000e,0x00000000,0x505f6c67,0x7469736f,0x006e6f69,0x00030005,
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|     0x00000010,0x00000000,0x00030005,0x00000014,0x00736f70,0x00040047,0x00000009,0x0000001e,
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|     0x00000000,0x00040047,0x0000000b,0x0000001e,0x00000001,0x00050048,0x0000000e,0x00000000,
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|     0x0000000b,0x00000000,0x00030047,0x0000000e,0x00000002,0x00040047,0x00000014,0x0000001e,
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|     0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006,
 | |
|     0x00000020,0x00040017,0x00000007,0x00000006,0x00000002,0x00040020,0x00000008,0x00000003,
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|     0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040020,0x0000000a,0x00000001,
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|     0x00000007,0x0004003b,0x0000000a,0x0000000b,0x00000001,0x00040017,0x0000000d,0x00000006,
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|     0x00000004,0x0003001e,0x0000000e,0x0000000d,0x00040020,0x0000000f,0x00000003,0x0000000e,
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|     0x0004003b,0x0000000f,0x00000010,0x00000003,0x00040015,0x00000011,0x00000020,0x00000001,
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|     0x0004002b,0x00000011,0x00000012,0x00000000,0x00040020,0x00000013,0x00000001,0x0000000d,
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|     0x0004003b,0x00000013,0x00000014,0x00000001,0x00040020,0x00000016,0x00000003,0x0000000d,
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|     0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8,0x00000005,0x0004003d,
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|     0x00000007,0x0000000c,0x0000000b,0x0003003e,0x00000009,0x0000000c,0x0004003d,0x0000000d,
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|     0x00000015,0x00000014,0x00050041,0x00000016,0x00000017,0x00000010,0x00000012,0x0003003e,
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|     0x00000017,0x00000015,0x000100fd,0x00010038
 | |
| };
 | |
| 
 | |
| struct texture_object {
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|     VkSampler sampler;
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| 
 | |
|     VkImage image;
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|     VkImageLayout imageLayout;
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| 
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|     VkDeviceMemory mem;
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|     VkImageView view;
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|     int32_t tex_width, tex_height;
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| };
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| 
 | |
| static int validation_error = 0;
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| 
 | |
| VKAPI_ATTR VkBool32 VKAPI_CALL
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| BreakCallback(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
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|               uint64_t srcObject, size_t location, int32_t msgCode,
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|               const char *pLayerPrefix, const char *pMsg,
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|               void *pUserData) {
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| #ifdef _WIN32
 | |
|     DebugBreak();
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| #else
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|     raise(SIGTRAP);
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| #endif
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| 
 | |
|     return false;
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| }
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| 
 | |
| typedef struct {
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|     VkImage image;
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|     VkCommandBuffer cmd;
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|     VkImageView view;
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| } SwapchainBuffers;
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| 
 | |
| struct demo {
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|     GLFWwindow* window;
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|     VkSurfaceKHR surface;
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|     bool use_staging_buffer;
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| 
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|     VkInstance inst;
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|     VkPhysicalDevice gpu;
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|     VkDevice device;
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|     VkQueue queue;
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|     VkPhysicalDeviceProperties gpu_props;
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|     VkPhysicalDeviceFeatures gpu_features;
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|     VkQueueFamilyProperties *queue_props;
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|     uint32_t graphics_queue_node_index;
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| 
 | |
|     uint32_t enabled_extension_count;
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|     uint32_t enabled_layer_count;
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|     const char *extension_names[64];
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|     const char *enabled_layers[64];
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| 
 | |
|     int width, height;
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|     VkFormat format;
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|     VkColorSpaceKHR color_space;
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| 
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|     uint32_t swapchainImageCount;
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|     VkSwapchainKHR swapchain;
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|     SwapchainBuffers *buffers;
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| 
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|     VkCommandPool cmd_pool;
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| 
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|     struct {
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|         VkFormat format;
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| 
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|         VkImage image;
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|         VkDeviceMemory mem;
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|         VkImageView view;
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|     } depth;
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| 
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|     struct texture_object textures[DEMO_TEXTURE_COUNT];
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| 
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|     struct {
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|         VkBuffer buf;
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|         VkDeviceMemory mem;
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| 
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|         VkPipelineVertexInputStateCreateInfo vi;
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|         VkVertexInputBindingDescription vi_bindings[1];
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|         VkVertexInputAttributeDescription vi_attrs[2];
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|     } vertices;
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| 
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|     VkCommandBuffer setup_cmd; // Command Buffer for initialization commands
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|     VkCommandBuffer draw_cmd;  // Command Buffer for drawing commands
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|     VkPipelineLayout pipeline_layout;
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|     VkDescriptorSetLayout desc_layout;
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|     VkPipelineCache pipelineCache;
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|     VkRenderPass render_pass;
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|     VkPipeline pipeline;
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| 
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|     VkShaderModule vert_shader_module;
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|     VkShaderModule frag_shader_module;
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| 
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|     VkDescriptorPool desc_pool;
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|     VkDescriptorSet desc_set;
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| 
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|     VkFramebuffer *framebuffers;
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| 
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|     VkPhysicalDeviceMemoryProperties memory_properties;
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| 
 | |
|     int32_t curFrame;
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|     int32_t frameCount;
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|     bool validate;
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|     bool use_break;
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|     VkDebugReportCallbackEXT msg_callback;
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| 
 | |
|     float depthStencil;
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|     float depthIncrement;
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| 
 | |
|     uint32_t current_buffer;
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|     uint32_t queue_count;
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| };
 | |
| 
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| VKAPI_ATTR VkBool32 VKAPI_CALL
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| dbgFunc(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
 | |
|     uint64_t srcObject, size_t location, int32_t msgCode,
 | |
|     const char *pLayerPrefix, const char *pMsg, void *pUserData) {
 | |
|     char *message = (char *)malloc(strlen(pMsg) + 100);
 | |
| 
 | |
|     assert(message);
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| 
 | |
|     validation_error = 1;
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| 
 | |
|     if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
 | |
|         sprintf(message, "ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode,
 | |
|             pMsg);
 | |
|     } else if (msgFlags & VK_DEBUG_REPORT_WARNING_BIT_EXT) {
 | |
|         sprintf(message, "WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode,
 | |
|             pMsg);
 | |
|     } else {
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|         return false;
 | |
|     }
 | |
| 
 | |
|     printf("%s\n", message);
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|     fflush(stdout);
 | |
|     free(message);
 | |
| 
 | |
|     /*
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|     * false indicates that layer should not bail-out of an
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|     * API call that had validation failures. This may mean that the
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|     * app dies inside the driver due to invalid parameter(s).
 | |
|     * That's what would happen without validation layers, so we'll
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|     * keep that behavior here.
 | |
|     */
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|     return false;
 | |
| }
 | |
| 
 | |
| // Forward declaration:
 | |
| static void demo_resize(struct demo *demo);
 | |
| 
 | |
| static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits,
 | |
|                                         VkFlags requirements_mask,
 | |
|                                         uint32_t *typeIndex) {
 | |
|     uint32_t i;
 | |
|     // Search memtypes to find first index with those properties
 | |
|     for (i = 0; i < VK_MAX_MEMORY_TYPES; i++) {
 | |
|         if ((typeBits & 1) == 1) {
 | |
|             // Type is available, does it match user properties?
 | |
|             if ((demo->memory_properties.memoryTypes[i].propertyFlags &
 | |
|                  requirements_mask) == requirements_mask) {
 | |
|                 *typeIndex = i;
 | |
|                 return true;
 | |
|             }
 | |
|         }
 | |
|         typeBits >>= 1;
 | |
|     }
 | |
|     // No memory types matched, return failure
 | |
|     return false;
 | |
| }
 | |
| 
 | |
| static void demo_flush_init_cmd(struct demo *demo) {
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     if (demo->setup_cmd == VK_NULL_HANDLE)
 | |
|         return;
 | |
| 
 | |
|     err = vkEndCommandBuffer(demo->setup_cmd);
 | |
|     assert(!err);
 | |
| 
 | |
|     const VkCommandBuffer cmd_bufs[] = {demo->setup_cmd};
 | |
|     VkFence nullFence = {VK_NULL_HANDLE};
 | |
|     VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
 | |
|                                 .pNext = NULL,
 | |
|                                 .waitSemaphoreCount = 0,
 | |
|                                 .pWaitSemaphores = NULL,
 | |
|                                 .pWaitDstStageMask = NULL,
 | |
|                                 .commandBufferCount = 1,
 | |
|                                 .pCommandBuffers = cmd_bufs,
 | |
|                                 .signalSemaphoreCount = 0,
 | |
|                                 .pSignalSemaphores = NULL};
 | |
| 
 | |
|     err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence);
 | |
|     assert(!err);
 | |
| 
 | |
|     err = vkQueueWaitIdle(demo->queue);
 | |
|     assert(!err);
 | |
| 
 | |
|     vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, cmd_bufs);
 | |
|     demo->setup_cmd = VK_NULL_HANDLE;
 | |
| }
 | |
| 
 | |
| static void demo_set_image_layout(struct demo *demo, VkImage image,
 | |
|                                   VkImageAspectFlags aspectMask,
 | |
|                                   VkImageLayout old_image_layout,
 | |
|                                   VkImageLayout new_image_layout,
 | |
|                                   VkAccessFlagBits srcAccessMask) {
 | |
| 
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     if (demo->setup_cmd == VK_NULL_HANDLE) {
 | |
|         const VkCommandBufferAllocateInfo cmd = {
 | |
|             .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
 | |
|             .pNext = NULL,
 | |
|             .commandPool = demo->cmd_pool,
 | |
|             .level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
 | |
|             .commandBufferCount = 1,
 | |
|         };
 | |
| 
 | |
|         err = vkAllocateCommandBuffers(demo->device, &cmd, &demo->setup_cmd);
 | |
|         assert(!err);
 | |
| 
 | |
|         VkCommandBufferBeginInfo cmd_buf_info = {
 | |
|             .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
 | |
|             .pNext = NULL,
 | |
|             .flags = 0,
 | |
|             .pInheritanceInfo = NULL,
 | |
|         };
 | |
|         err = vkBeginCommandBuffer(demo->setup_cmd, &cmd_buf_info);
 | |
|         assert(!err);
 | |
|     }
 | |
| 
 | |
|     VkImageMemoryBarrier image_memory_barrier = {
 | |
|         .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
 | |
|         .pNext = NULL,
 | |
|         .srcAccessMask = srcAccessMask,
 | |
|         .dstAccessMask = 0,
 | |
|         .oldLayout = old_image_layout,
 | |
|         .newLayout = new_image_layout,
 | |
|         .image = image,
 | |
|         .subresourceRange = {aspectMask, 0, 1, 0, 1}};
 | |
| 
 | |
|     if (new_image_layout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
 | |
|         /* Make sure anything that was copying from this image has completed */
 | |
|         image_memory_barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
 | |
|     }
 | |
| 
 | |
|     if (new_image_layout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) {
 | |
|         image_memory_barrier.dstAccessMask =
 | |
|             VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
 | |
|     }
 | |
| 
 | |
|     if (new_image_layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
 | |
|         image_memory_barrier.dstAccessMask =
 | |
|             VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
 | |
|     }
 | |
| 
 | |
|     if (new_image_layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
 | |
|         /* Make sure any Copy or CPU writes to image are flushed */
 | |
|         image_memory_barrier.dstAccessMask =
 | |
|             VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
 | |
|     }
 | |
| 
 | |
|     VkImageMemoryBarrier *pmemory_barrier = &image_memory_barrier;
 | |
| 
 | |
|     VkPipelineStageFlags src_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
 | |
|     VkPipelineStageFlags dest_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
 | |
| 
 | |
|     vkCmdPipelineBarrier(demo->setup_cmd, src_stages, dest_stages, 0, 0, NULL,
 | |
|                          0, NULL, 1, pmemory_barrier);
 | |
| }
 | |
| 
 | |
| static void demo_draw_build_cmd(struct demo *demo) {
 | |
|     const VkCommandBufferBeginInfo cmd_buf_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
 | |
|         .pNext = NULL,
 | |
|         .flags = 0,
 | |
|         .pInheritanceInfo = NULL,
 | |
|     };
 | |
|     const VkClearValue clear_values[2] = {
 | |
|             [0] = {.color.float32 = {0.2f, 0.2f, 0.2f, 0.2f}},
 | |
|             [1] = {.depthStencil = {demo->depthStencil, 0}},
 | |
|     };
 | |
|     const VkRenderPassBeginInfo rp_begin = {
 | |
|         .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
 | |
|         .pNext = NULL,
 | |
|         .renderPass = demo->render_pass,
 | |
|         .framebuffer = demo->framebuffers[demo->current_buffer],
 | |
|         .renderArea.offset.x = 0,
 | |
|         .renderArea.offset.y = 0,
 | |
|         .renderArea.extent.width = demo->width,
 | |
|         .renderArea.extent.height = demo->height,
 | |
|         .clearValueCount = 2,
 | |
|         .pClearValues = clear_values,
 | |
|     };
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     err = vkBeginCommandBuffer(demo->draw_cmd, &cmd_buf_info);
 | |
|     assert(!err);
 | |
| 
 | |
|     // We can use LAYOUT_UNDEFINED as a wildcard here because we don't care what
 | |
|     // happens to the previous contents of the image
 | |
|     VkImageMemoryBarrier image_memory_barrier = {
 | |
|         .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
 | |
|         .pNext = NULL,
 | |
|         .srcAccessMask = 0,
 | |
|         .dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
 | |
|         .oldLayout = VK_IMAGE_LAYOUT_UNDEFINED,
 | |
|         .newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
 | |
|         .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 | |
|         .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 | |
|         .image = demo->buffers[demo->current_buffer].image,
 | |
|         .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}};
 | |
| 
 | |
|     vkCmdPipelineBarrier(demo->draw_cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
 | |
|                          VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0,
 | |
|                          NULL, 1, &image_memory_barrier);
 | |
|     vkCmdBeginRenderPass(demo->draw_cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE);
 | |
|     vkCmdBindPipeline(demo->draw_cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
 | |
|                       demo->pipeline);
 | |
|     vkCmdBindDescriptorSets(demo->draw_cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
 | |
|                             demo->pipeline_layout, 0, 1, &demo->desc_set, 0,
 | |
|                             NULL);
 | |
| 
 | |
|     VkViewport viewport;
 | |
|     memset(&viewport, 0, sizeof(viewport));
 | |
|     viewport.height = (float)demo->height;
 | |
|     viewport.width = (float)demo->width;
 | |
|     viewport.minDepth = (float)0.0f;
 | |
|     viewport.maxDepth = (float)1.0f;
 | |
|     vkCmdSetViewport(demo->draw_cmd, 0, 1, &viewport);
 | |
| 
 | |
|     VkRect2D scissor;
 | |
|     memset(&scissor, 0, sizeof(scissor));
 | |
|     scissor.extent.width = demo->width;
 | |
|     scissor.extent.height = demo->height;
 | |
|     scissor.offset.x = 0;
 | |
|     scissor.offset.y = 0;
 | |
|     vkCmdSetScissor(demo->draw_cmd, 0, 1, &scissor);
 | |
| 
 | |
|     VkDeviceSize offsets[1] = {0};
 | |
|     vkCmdBindVertexBuffers(demo->draw_cmd, VERTEX_BUFFER_BIND_ID, 1,
 | |
|                            &demo->vertices.buf, offsets);
 | |
| 
 | |
|     vkCmdDraw(demo->draw_cmd, 3, 1, 0, 0);
 | |
|     vkCmdEndRenderPass(demo->draw_cmd);
 | |
| 
 | |
|     VkImageMemoryBarrier prePresentBarrier = {
 | |
|         .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
 | |
|         .pNext = NULL,
 | |
|         .srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
 | |
|         .dstAccessMask = VK_ACCESS_MEMORY_READ_BIT,
 | |
|         .oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
 | |
|         .newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
 | |
|         .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 | |
|         .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 | |
|         .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}};
 | |
| 
 | |
|     prePresentBarrier.image = demo->buffers[demo->current_buffer].image;
 | |
|     VkImageMemoryBarrier *pmemory_barrier = &prePresentBarrier;
 | |
|     vkCmdPipelineBarrier(demo->draw_cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
 | |
|                          VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0,
 | |
|                          NULL, 1, pmemory_barrier);
 | |
| 
 | |
|     err = vkEndCommandBuffer(demo->draw_cmd);
 | |
|     assert(!err);
 | |
| }
 | |
| 
 | |
| static void demo_draw(struct demo *demo) {
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     VkSemaphore imageAcquiredSemaphore, drawCompleteSemaphore;
 | |
|     VkSemaphoreCreateInfo semaphoreCreateInfo = {
 | |
|         .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .flags = 0,
 | |
|     };
 | |
| 
 | |
|     err = vkCreateSemaphore(demo->device, &semaphoreCreateInfo,
 | |
|                             NULL, &imageAcquiredSemaphore);
 | |
|     assert(!err);
 | |
| 
 | |
|     err = vkCreateSemaphore(demo->device, &semaphoreCreateInfo,
 | |
|                             NULL, &drawCompleteSemaphore);
 | |
|     assert(!err);
 | |
| 
 | |
|     // Get the index of the next available swapchain image:
 | |
|     err = vkAcquireNextImageKHR(demo->device, demo->swapchain, UINT64_MAX,
 | |
|                                 imageAcquiredSemaphore,
 | |
|                                 (VkFence)0, // TODO: Show use of fence
 | |
|                                 &demo->current_buffer);
 | |
|     if (err == VK_ERROR_OUT_OF_DATE_KHR) {
 | |
|         // demo->swapchain is out of date (e.g. the window was resized) and
 | |
|         // must be recreated:
 | |
|         demo_resize(demo);
 | |
|         demo_draw(demo);
 | |
|         vkDestroySemaphore(demo->device, imageAcquiredSemaphore, NULL);
 | |
|         vkDestroySemaphore(demo->device, drawCompleteSemaphore, NULL);
 | |
|         return;
 | |
|     } else if (err == VK_SUBOPTIMAL_KHR) {
 | |
|         // demo->swapchain is not as optimal as it could be, but the platform's
 | |
|         // presentation engine will still present the image correctly.
 | |
|     } else {
 | |
|         assert(!err);
 | |
|     }
 | |
| 
 | |
|     demo_flush_init_cmd(demo);
 | |
| 
 | |
|     // Wait for the present complete semaphore to be signaled to ensure
 | |
|     // that the image won't be rendered to until the presentation
 | |
|     // engine has fully released ownership to the application, and it is
 | |
|     // okay to render to the image.
 | |
| 
 | |
|     demo_draw_build_cmd(demo);
 | |
|     VkFence nullFence = VK_NULL_HANDLE;
 | |
|     VkPipelineStageFlags pipe_stage_flags =
 | |
|         VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
 | |
|     VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
 | |
|                                 .pNext = NULL,
 | |
|                                 .waitSemaphoreCount = 1,
 | |
|                                 .pWaitSemaphores = &imageAcquiredSemaphore,
 | |
|                                 .pWaitDstStageMask = &pipe_stage_flags,
 | |
|                                 .commandBufferCount = 1,
 | |
|                                 .pCommandBuffers = &demo->draw_cmd,
 | |
|                                 .signalSemaphoreCount = 1,
 | |
|                                 .pSignalSemaphores = &drawCompleteSemaphore};
 | |
| 
 | |
|     err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence);
 | |
|     assert(!err);
 | |
| 
 | |
|     VkPresentInfoKHR present = {
 | |
|         .sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
 | |
|         .pNext = NULL,
 | |
|         .waitSemaphoreCount = 1,
 | |
|         .pWaitSemaphores = &drawCompleteSemaphore,
 | |
|         .swapchainCount = 1,
 | |
|         .pSwapchains = &demo->swapchain,
 | |
|         .pImageIndices = &demo->current_buffer,
 | |
|     };
 | |
| 
 | |
|     err = vkQueuePresentKHR(demo->queue, &present);
 | |
|     if (err == VK_ERROR_OUT_OF_DATE_KHR) {
 | |
|         // demo->swapchain is out of date (e.g. the window was resized) and
 | |
|         // must be recreated:
 | |
|         demo_resize(demo);
 | |
|     } else if (err == VK_SUBOPTIMAL_KHR) {
 | |
|         // demo->swapchain is not as optimal as it could be, but the platform's
 | |
|         // presentation engine will still present the image correctly.
 | |
|     } else {
 | |
|         assert(!err);
 | |
|     }
 | |
| 
 | |
|     err = vkQueueWaitIdle(demo->queue);
 | |
|     assert(err == VK_SUCCESS);
 | |
| 
 | |
|     vkDestroySemaphore(demo->device, imageAcquiredSemaphore, NULL);
 | |
|     vkDestroySemaphore(demo->device, drawCompleteSemaphore, NULL);
 | |
| }
 | |
| 
 | |
| static void demo_prepare_buffers(struct demo *demo) {
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     VkSwapchainKHR oldSwapchain = demo->swapchain;
 | |
| 
 | |
|     // Check the surface capabilities and formats
 | |
|     VkSurfaceCapabilitiesKHR surfCapabilities;
 | |
|     err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
 | |
|         demo->gpu, demo->surface, &surfCapabilities);
 | |
|     assert(!err);
 | |
| 
 | |
|     uint32_t presentModeCount;
 | |
|     err = vkGetPhysicalDeviceSurfacePresentModesKHR(
 | |
|         demo->gpu, demo->surface, &presentModeCount, NULL);
 | |
|     assert(!err);
 | |
|     VkPresentModeKHR *presentModes =
 | |
|         (VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR));
 | |
|     assert(presentModes);
 | |
|     err = vkGetPhysicalDeviceSurfacePresentModesKHR(
 | |
|         demo->gpu, demo->surface, &presentModeCount, presentModes);
 | |
|     assert(!err);
 | |
| 
 | |
|     VkExtent2D swapchainExtent;
 | |
|     // width and height are either both 0xFFFFFFFF, or both not 0xFFFFFFFF.
 | |
|     if (surfCapabilities.currentExtent.width == 0xFFFFFFFF) {
 | |
|         // If the surface size is undefined, the size is set to the size
 | |
|         // of the images requested, which must fit within the minimum and
 | |
|         // maximum values.
 | |
|         swapchainExtent.width = demo->width;
 | |
|         swapchainExtent.height = demo->height;
 | |
| 
 | |
|         if (swapchainExtent.width < surfCapabilities.minImageExtent.width) {
 | |
|             swapchainExtent.width = surfCapabilities.minImageExtent.width;
 | |
|         } else if (swapchainExtent.width > surfCapabilities.maxImageExtent.width) {
 | |
|             swapchainExtent.width = surfCapabilities.maxImageExtent.width;
 | |
|         }
 | |
| 
 | |
|         if (swapchainExtent.height < surfCapabilities.minImageExtent.height) {
 | |
|             swapchainExtent.height = surfCapabilities.minImageExtent.height;
 | |
|         } else if (swapchainExtent.height > surfCapabilities.maxImageExtent.height) {
 | |
|             swapchainExtent.height = surfCapabilities.maxImageExtent.height;
 | |
|         }
 | |
|     } else {
 | |
|         // If the surface size is defined, the swap chain size must match
 | |
|         swapchainExtent = surfCapabilities.currentExtent;
 | |
|         demo->width = surfCapabilities.currentExtent.width;
 | |
|         demo->height = surfCapabilities.currentExtent.height;
 | |
|     }
 | |
| 
 | |
|     VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
 | |
| 
 | |
|     // Determine the number of VkImage's to use in the swap chain.
 | |
|     // Application desires to only acquire 1 image at a time (which is
 | |
|     // "surfCapabilities.minImageCount").
 | |
|     uint32_t desiredNumOfSwapchainImages = surfCapabilities.minImageCount;
 | |
|     // If maxImageCount is 0, we can ask for as many images as we want;
 | |
|     // otherwise we're limited to maxImageCount
 | |
|     if ((surfCapabilities.maxImageCount > 0) &&
 | |
|         (desiredNumOfSwapchainImages > surfCapabilities.maxImageCount)) {
 | |
|         // Application must settle for fewer images than desired:
 | |
|         desiredNumOfSwapchainImages = surfCapabilities.maxImageCount;
 | |
|     }
 | |
| 
 | |
|     VkSurfaceTransformFlagsKHR preTransform;
 | |
|     if (surfCapabilities.supportedTransforms &
 | |
|         VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
 | |
|         preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 | |
|     } else {
 | |
|         preTransform = surfCapabilities.currentTransform;
 | |
|     }
 | |
| 
 | |
|     const VkSwapchainCreateInfoKHR swapchain = {
 | |
|         .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
 | |
|         .pNext = NULL,
 | |
|         .surface = demo->surface,
 | |
|         .minImageCount = desiredNumOfSwapchainImages,
 | |
|         .imageFormat = demo->format,
 | |
|         .imageColorSpace = demo->color_space,
 | |
|         .imageExtent =
 | |
|             {
 | |
|              .width = swapchainExtent.width, .height = swapchainExtent.height,
 | |
|             },
 | |
|         .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
 | |
|         .preTransform = preTransform,
 | |
|         .compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
 | |
|         .imageArrayLayers = 1,
 | |
|         .imageSharingMode = VK_SHARING_MODE_EXCLUSIVE,
 | |
|         .queueFamilyIndexCount = 0,
 | |
|         .pQueueFamilyIndices = NULL,
 | |
|         .presentMode = swapchainPresentMode,
 | |
|         .oldSwapchain = oldSwapchain,
 | |
|         .clipped = true,
 | |
|     };
 | |
|     uint32_t i;
 | |
| 
 | |
|     err = vkCreateSwapchainKHR(demo->device, &swapchain, NULL, &demo->swapchain);
 | |
|     assert(!err);
 | |
| 
 | |
|     // If we just re-created an existing swapchain, we should destroy the old
 | |
|     // swapchain at this point.
 | |
|     // Note: destroying the swapchain also cleans up all its associated
 | |
|     // presentable images once the platform is done with them.
 | |
|     if (oldSwapchain != VK_NULL_HANDLE) {
 | |
|         vkDestroySwapchainKHR(demo->device, oldSwapchain, NULL);
 | |
|     }
 | |
| 
 | |
|     err = vkGetSwapchainImagesKHR(demo->device, demo->swapchain,
 | |
|                                         &demo->swapchainImageCount, NULL);
 | |
|     assert(!err);
 | |
| 
 | |
|     VkImage *swapchainImages =
 | |
|         (VkImage *)malloc(demo->swapchainImageCount * sizeof(VkImage));
 | |
|     assert(swapchainImages);
 | |
|     err = vkGetSwapchainImagesKHR(demo->device, demo->swapchain,
 | |
|                                   &demo->swapchainImageCount,
 | |
|                                   swapchainImages);
 | |
|     assert(!err);
 | |
| 
 | |
|     demo->buffers = (SwapchainBuffers *)malloc(sizeof(SwapchainBuffers) *
 | |
|                                                demo->swapchainImageCount);
 | |
|     assert(demo->buffers);
 | |
| 
 | |
|     for (i = 0; i < demo->swapchainImageCount; i++) {
 | |
|         VkImageViewCreateInfo color_attachment_view = {
 | |
|             .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
 | |
|             .pNext = NULL,
 | |
|             .format = demo->format,
 | |
|             .components =
 | |
|                 {
 | |
|                  .r = VK_COMPONENT_SWIZZLE_R,
 | |
|                  .g = VK_COMPONENT_SWIZZLE_G,
 | |
|                  .b = VK_COMPONENT_SWIZZLE_B,
 | |
|                  .a = VK_COMPONENT_SWIZZLE_A,
 | |
|                 },
 | |
|             .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
 | |
|                                  .baseMipLevel = 0,
 | |
|                                  .levelCount = 1,
 | |
|                                  .baseArrayLayer = 0,
 | |
|                                  .layerCount = 1},
 | |
|             .viewType = VK_IMAGE_VIEW_TYPE_2D,
 | |
|             .flags = 0,
 | |
|         };
 | |
| 
 | |
|         demo->buffers[i].image = swapchainImages[i];
 | |
| 
 | |
|         color_attachment_view.image = demo->buffers[i].image;
 | |
| 
 | |
|         err = vkCreateImageView(demo->device, &color_attachment_view, NULL,
 | |
|                                 &demo->buffers[i].view);
 | |
|         assert(!err);
 | |
|     }
 | |
| 
 | |
|     demo->current_buffer = 0;
 | |
| 
 | |
|     if (NULL != presentModes) {
 | |
|         free(presentModes);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void demo_prepare_depth(struct demo *demo) {
 | |
|     const VkFormat depth_format = VK_FORMAT_D16_UNORM;
 | |
|     const VkImageCreateInfo image = {
 | |
|         .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .imageType = VK_IMAGE_TYPE_2D,
 | |
|         .format = depth_format,
 | |
|         .extent = {demo->width, demo->height, 1},
 | |
|         .mipLevels = 1,
 | |
|         .arrayLayers = 1,
 | |
|         .samples = VK_SAMPLE_COUNT_1_BIT,
 | |
|         .tiling = VK_IMAGE_TILING_OPTIMAL,
 | |
|         .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
 | |
|         .flags = 0,
 | |
|     };
 | |
|     VkMemoryAllocateInfo mem_alloc = {
 | |
|         .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .allocationSize = 0,
 | |
|         .memoryTypeIndex = 0,
 | |
|     };
 | |
|     VkImageViewCreateInfo view = {
 | |
|         .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .image = VK_NULL_HANDLE,
 | |
|         .format = depth_format,
 | |
|         .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
 | |
|                              .baseMipLevel = 0,
 | |
|                              .levelCount = 1,
 | |
|                              .baseArrayLayer = 0,
 | |
|                              .layerCount = 1},
 | |
|         .flags = 0,
 | |
|         .viewType = VK_IMAGE_VIEW_TYPE_2D,
 | |
|     };
 | |
| 
 | |
|     VkMemoryRequirements mem_reqs;
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     bool U_ASSERT_ONLY pass;
 | |
| 
 | |
|     demo->depth.format = depth_format;
 | |
| 
 | |
|     /* create image */
 | |
|     err = vkCreateImage(demo->device, &image, NULL, &demo->depth.image);
 | |
|     assert(!err);
 | |
| 
 | |
|     /* get memory requirements for this object */
 | |
|     vkGetImageMemoryRequirements(demo->device, demo->depth.image, &mem_reqs);
 | |
| 
 | |
|     /* select memory size and type */
 | |
|     mem_alloc.allocationSize = mem_reqs.size;
 | |
|     pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
 | |
|                                        0, /* No requirements */
 | |
|                                        &mem_alloc.memoryTypeIndex);
 | |
|     assert(pass);
 | |
| 
 | |
|     /* allocate memory */
 | |
|     err = vkAllocateMemory(demo->device, &mem_alloc, NULL, &demo->depth.mem);
 | |
|     assert(!err);
 | |
| 
 | |
|     /* bind memory */
 | |
|     err =
 | |
|         vkBindImageMemory(demo->device, demo->depth.image, demo->depth.mem, 0);
 | |
|     assert(!err);
 | |
| 
 | |
|     demo_set_image_layout(demo, demo->depth.image, VK_IMAGE_ASPECT_DEPTH_BIT,
 | |
|                           VK_IMAGE_LAYOUT_UNDEFINED,
 | |
|                           VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
 | |
|                           0);
 | |
| 
 | |
|     /* create image view */
 | |
|     view.image = demo->depth.image;
 | |
|     err = vkCreateImageView(demo->device, &view, NULL, &demo->depth.view);
 | |
|     assert(!err);
 | |
| }
 | |
| 
 | |
| static void
 | |
| demo_prepare_texture_image(struct demo *demo, const uint32_t *tex_colors,
 | |
|                            struct texture_object *tex_obj, VkImageTiling tiling,
 | |
|                            VkImageUsageFlags usage, VkFlags required_props) {
 | |
|     const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM;
 | |
|     const int32_t tex_width = 2;
 | |
|     const int32_t tex_height = 2;
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     bool U_ASSERT_ONLY pass;
 | |
| 
 | |
|     tex_obj->tex_width = tex_width;
 | |
|     tex_obj->tex_height = tex_height;
 | |
| 
 | |
|     const VkImageCreateInfo image_create_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .imageType = VK_IMAGE_TYPE_2D,
 | |
|         .format = tex_format,
 | |
|         .extent = {tex_width, tex_height, 1},
 | |
|         .mipLevels = 1,
 | |
|         .arrayLayers = 1,
 | |
|         .samples = VK_SAMPLE_COUNT_1_BIT,
 | |
|         .tiling = tiling,
 | |
|         .usage = usage,
 | |
|         .flags = 0,
 | |
|         .initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED
 | |
|     };
 | |
|     VkMemoryAllocateInfo mem_alloc = {
 | |
|         .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .allocationSize = 0,
 | |
|         .memoryTypeIndex = 0,
 | |
|     };
 | |
| 
 | |
|     VkMemoryRequirements mem_reqs;
 | |
| 
 | |
|     err =
 | |
|         vkCreateImage(demo->device, &image_create_info, NULL, &tex_obj->image);
 | |
|     assert(!err);
 | |
| 
 | |
|     vkGetImageMemoryRequirements(demo->device, tex_obj->image, &mem_reqs);
 | |
| 
 | |
|     mem_alloc.allocationSize = mem_reqs.size;
 | |
|     pass =
 | |
|         memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
 | |
|                                     required_props, &mem_alloc.memoryTypeIndex);
 | |
|     assert(pass);
 | |
| 
 | |
|     /* allocate memory */
 | |
|     err = vkAllocateMemory(demo->device, &mem_alloc, NULL, &tex_obj->mem);
 | |
|     assert(!err);
 | |
| 
 | |
|     /* bind memory */
 | |
|     err = vkBindImageMemory(demo->device, tex_obj->image, tex_obj->mem, 0);
 | |
|     assert(!err);
 | |
| 
 | |
|     if (required_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
 | |
|         const VkImageSubresource subres = {
 | |
|             .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
 | |
|             .mipLevel = 0,
 | |
|             .arrayLayer = 0,
 | |
|         };
 | |
|         VkSubresourceLayout layout;
 | |
|         void *data;
 | |
|         int32_t x, y;
 | |
| 
 | |
|         vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres,
 | |
|                                     &layout);
 | |
| 
 | |
|         err = vkMapMemory(demo->device, tex_obj->mem, 0,
 | |
|                           mem_alloc.allocationSize, 0, &data);
 | |
|         assert(!err);
 | |
| 
 | |
|         for (y = 0; y < tex_height; y++) {
 | |
|             uint32_t *row = (uint32_t *)((char *)data + layout.rowPitch * y);
 | |
|             for (x = 0; x < tex_width; x++)
 | |
|                 row[x] = tex_colors[(x & 1) ^ (y & 1)];
 | |
|         }
 | |
| 
 | |
|         vkUnmapMemory(demo->device, tex_obj->mem);
 | |
|     }
 | |
| 
 | |
|     tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
 | |
|     demo_set_image_layout(demo, tex_obj->image, VK_IMAGE_ASPECT_COLOR_BIT,
 | |
|                           VK_IMAGE_LAYOUT_PREINITIALIZED, tex_obj->imageLayout,
 | |
|                           VK_ACCESS_HOST_WRITE_BIT);
 | |
|     /* setting the image layout does not reference the actual memory so no need
 | |
|      * to add a mem ref */
 | |
| }
 | |
| 
 | |
| static void demo_destroy_texture_image(struct demo *demo,
 | |
|                                        struct texture_object *tex_obj) {
 | |
|     /* clean up staging resources */
 | |
|     vkDestroyImage(demo->device, tex_obj->image, NULL);
 | |
|     vkFreeMemory(demo->device, tex_obj->mem, NULL);
 | |
| }
 | |
| 
 | |
| static void demo_prepare_textures(struct demo *demo) {
 | |
|     const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM;
 | |
|     VkFormatProperties props;
 | |
|     const uint32_t tex_colors[DEMO_TEXTURE_COUNT][2] = {
 | |
|         {0xffff0000, 0xff00ff00},
 | |
|     };
 | |
|     uint32_t i;
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     vkGetPhysicalDeviceFormatProperties(demo->gpu, tex_format, &props);
 | |
| 
 | |
|     for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
 | |
|         if ((props.linearTilingFeatures &
 | |
|              VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
 | |
|             !demo->use_staging_buffer) {
 | |
|             /* Device can texture using linear textures */
 | |
|             demo_prepare_texture_image(
 | |
|                 demo, tex_colors[i], &demo->textures[i], VK_IMAGE_TILING_LINEAR,
 | |
|                 VK_IMAGE_USAGE_SAMPLED_BIT,
 | |
|                 VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 | |
|                     VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
 | |
|         } else if (props.optimalTilingFeatures &
 | |
|                    VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) {
 | |
|             /* Must use staging buffer to copy linear texture to optimized */
 | |
|             struct texture_object staging_texture;
 | |
| 
 | |
|             memset(&staging_texture, 0, sizeof(staging_texture));
 | |
|             demo_prepare_texture_image(
 | |
|                 demo, tex_colors[i], &staging_texture, VK_IMAGE_TILING_LINEAR,
 | |
|                 VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
 | |
|                 VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 | |
|                     VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
 | |
| 
 | |
|             demo_prepare_texture_image(
 | |
|                 demo, tex_colors[i], &demo->textures[i],
 | |
|                 VK_IMAGE_TILING_OPTIMAL,
 | |
|                 (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT),
 | |
|                 VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
 | |
| 
 | |
|             demo_set_image_layout(demo, staging_texture.image,
 | |
|                                   VK_IMAGE_ASPECT_COLOR_BIT,
 | |
|                                   staging_texture.imageLayout,
 | |
|                                   VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
 | |
|                                   0);
 | |
| 
 | |
|             demo_set_image_layout(demo, demo->textures[i].image,
 | |
|                                   VK_IMAGE_ASPECT_COLOR_BIT,
 | |
|                                   demo->textures[i].imageLayout,
 | |
|                                   VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
 | |
|                                   0);
 | |
| 
 | |
|             VkImageCopy copy_region = {
 | |
|                 .srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
 | |
|                 .srcOffset = {0, 0, 0},
 | |
|                 .dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
 | |
|                 .dstOffset = {0, 0, 0},
 | |
|                 .extent = {staging_texture.tex_width,
 | |
|                            staging_texture.tex_height, 1},
 | |
|             };
 | |
|             vkCmdCopyImage(
 | |
|                 demo->setup_cmd, staging_texture.image,
 | |
|                 VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, demo->textures[i].image,
 | |
|                 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ©_region);
 | |
| 
 | |
|             demo_set_image_layout(demo, demo->textures[i].image,
 | |
|                                   VK_IMAGE_ASPECT_COLOR_BIT,
 | |
|                                   VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
 | |
|                                   demo->textures[i].imageLayout,
 | |
|                                   0);
 | |
| 
 | |
|             demo_flush_init_cmd(demo);
 | |
| 
 | |
|             demo_destroy_texture_image(demo, &staging_texture);
 | |
|         } else {
 | |
|             /* Can't support VK_FORMAT_B8G8R8A8_UNORM !? */
 | |
|             assert(!"No support for B8G8R8A8_UNORM as texture image format");
 | |
|         }
 | |
| 
 | |
|         const VkSamplerCreateInfo sampler = {
 | |
|             .sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
 | |
|             .pNext = NULL,
 | |
|             .magFilter = VK_FILTER_NEAREST,
 | |
|             .minFilter = VK_FILTER_NEAREST,
 | |
|             .mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST,
 | |
|             .addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT,
 | |
|             .addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT,
 | |
|             .addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT,
 | |
|             .mipLodBias = 0.0f,
 | |
|             .anisotropyEnable = VK_FALSE,
 | |
|             .maxAnisotropy = 1,
 | |
|             .compareOp = VK_COMPARE_OP_NEVER,
 | |
|             .minLod = 0.0f,
 | |
|             .maxLod = 0.0f,
 | |
|             .borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE,
 | |
|             .unnormalizedCoordinates = VK_FALSE,
 | |
|         };
 | |
|         VkImageViewCreateInfo view = {
 | |
|             .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
 | |
|             .pNext = NULL,
 | |
|             .image = VK_NULL_HANDLE,
 | |
|             .viewType = VK_IMAGE_VIEW_TYPE_2D,
 | |
|             .format = tex_format,
 | |
|             .components =
 | |
|                 {
 | |
|                  VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
 | |
|                  VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A,
 | |
|                 },
 | |
|             .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1},
 | |
|             .flags = 0,
 | |
|         };
 | |
| 
 | |
|         /* create sampler */
 | |
|         err = vkCreateSampler(demo->device, &sampler, NULL,
 | |
|                               &demo->textures[i].sampler);
 | |
|         assert(!err);
 | |
| 
 | |
|         /* create image view */
 | |
|         view.image = demo->textures[i].image;
 | |
|         err = vkCreateImageView(demo->device, &view, NULL,
 | |
|                                 &demo->textures[i].view);
 | |
|         assert(!err);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void demo_prepare_vertices(struct demo *demo) {
 | |
|     // clang-format off
 | |
|     const float vb[3][5] = {
 | |
|         /*      position             texcoord */
 | |
|         { -1.0f, -1.0f,  0.25f,     0.0f, 0.0f },
 | |
|         {  1.0f, -1.0f,  0.25f,     1.0f, 0.0f },
 | |
|         {  0.0f,  1.0f,  1.0f,      0.5f, 1.0f },
 | |
|     };
 | |
|     // clang-format on
 | |
|     const VkBufferCreateInfo buf_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .size = sizeof(vb),
 | |
|         .usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
 | |
|         .flags = 0,
 | |
|     };
 | |
|     VkMemoryAllocateInfo mem_alloc = {
 | |
|         .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .allocationSize = 0,
 | |
|         .memoryTypeIndex = 0,
 | |
|     };
 | |
|     VkMemoryRequirements mem_reqs;
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     bool U_ASSERT_ONLY pass;
 | |
|     void *data;
 | |
| 
 | |
|     memset(&demo->vertices, 0, sizeof(demo->vertices));
 | |
| 
 | |
|     err = vkCreateBuffer(demo->device, &buf_info, NULL, &demo->vertices.buf);
 | |
|     assert(!err);
 | |
| 
 | |
|     vkGetBufferMemoryRequirements(demo->device, demo->vertices.buf, &mem_reqs);
 | |
|     assert(!err);
 | |
| 
 | |
|     mem_alloc.allocationSize = mem_reqs.size;
 | |
|     pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
 | |
|                                        VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
 | |
|                                            VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
 | |
|                                        &mem_alloc.memoryTypeIndex);
 | |
|     assert(pass);
 | |
| 
 | |
|     err = vkAllocateMemory(demo->device, &mem_alloc, NULL, &demo->vertices.mem);
 | |
|     assert(!err);
 | |
| 
 | |
|     err = vkMapMemory(demo->device, demo->vertices.mem, 0,
 | |
|                       mem_alloc.allocationSize, 0, &data);
 | |
|     assert(!err);
 | |
| 
 | |
|     memcpy(data, vb, sizeof(vb));
 | |
| 
 | |
|     vkUnmapMemory(demo->device, demo->vertices.mem);
 | |
| 
 | |
|     err = vkBindBufferMemory(demo->device, demo->vertices.buf,
 | |
|                              demo->vertices.mem, 0);
 | |
|     assert(!err);
 | |
| 
 | |
|     demo->vertices.vi.sType =
 | |
|         VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
 | |
|     demo->vertices.vi.pNext = NULL;
 | |
|     demo->vertices.vi.vertexBindingDescriptionCount = 1;
 | |
|     demo->vertices.vi.pVertexBindingDescriptions = demo->vertices.vi_bindings;
 | |
|     demo->vertices.vi.vertexAttributeDescriptionCount = 2;
 | |
|     demo->vertices.vi.pVertexAttributeDescriptions = demo->vertices.vi_attrs;
 | |
| 
 | |
|     demo->vertices.vi_bindings[0].binding = VERTEX_BUFFER_BIND_ID;
 | |
|     demo->vertices.vi_bindings[0].stride = sizeof(vb[0]);
 | |
|     demo->vertices.vi_bindings[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
 | |
| 
 | |
|     demo->vertices.vi_attrs[0].binding = VERTEX_BUFFER_BIND_ID;
 | |
|     demo->vertices.vi_attrs[0].location = 0;
 | |
|     demo->vertices.vi_attrs[0].format = VK_FORMAT_R32G32B32_SFLOAT;
 | |
|     demo->vertices.vi_attrs[0].offset = 0;
 | |
| 
 | |
|     demo->vertices.vi_attrs[1].binding = VERTEX_BUFFER_BIND_ID;
 | |
|     demo->vertices.vi_attrs[1].location = 1;
 | |
|     demo->vertices.vi_attrs[1].format = VK_FORMAT_R32G32_SFLOAT;
 | |
|     demo->vertices.vi_attrs[1].offset = sizeof(float) * 3;
 | |
| }
 | |
| 
 | |
| static void demo_prepare_descriptor_layout(struct demo *demo) {
 | |
|     const VkDescriptorSetLayoutBinding layout_binding = {
 | |
|         .binding = 0,
 | |
|         .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
 | |
|         .descriptorCount = DEMO_TEXTURE_COUNT,
 | |
|         .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
 | |
|         .pImmutableSamplers = NULL,
 | |
|     };
 | |
|     const VkDescriptorSetLayoutCreateInfo descriptor_layout = {
 | |
|         .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .bindingCount = 1,
 | |
|         .pBindings = &layout_binding,
 | |
|     };
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     err = vkCreateDescriptorSetLayout(demo->device, &descriptor_layout, NULL,
 | |
|                                       &demo->desc_layout);
 | |
|     assert(!err);
 | |
| 
 | |
|     const VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {
 | |
|         .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .setLayoutCount = 1,
 | |
|         .pSetLayouts = &demo->desc_layout,
 | |
|     };
 | |
| 
 | |
|     err = vkCreatePipelineLayout(demo->device, &pPipelineLayoutCreateInfo, NULL,
 | |
|                                  &demo->pipeline_layout);
 | |
|     assert(!err);
 | |
| }
 | |
| 
 | |
| static void demo_prepare_render_pass(struct demo *demo) {
 | |
|     const VkAttachmentDescription attachments[2] = {
 | |
|             [0] =
 | |
|                 {
 | |
|                  .format = demo->format,
 | |
|                  .samples = VK_SAMPLE_COUNT_1_BIT,
 | |
|                  .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
 | |
|                  .storeOp = VK_ATTACHMENT_STORE_OP_STORE,
 | |
|                  .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
 | |
|                  .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
 | |
|                  .initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
 | |
|                  .finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
 | |
|                 },
 | |
|             [1] =
 | |
|                 {
 | |
|                  .format = demo->depth.format,
 | |
|                  .samples = VK_SAMPLE_COUNT_1_BIT,
 | |
|                  .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
 | |
|                  .storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
 | |
|                  .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
 | |
|                  .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
 | |
|                  .initialLayout =
 | |
|                      VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
 | |
|                  .finalLayout =
 | |
|                      VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
 | |
|                 },
 | |
|     };
 | |
|     const VkAttachmentReference color_reference = {
 | |
|         .attachment = 0, .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
 | |
|     };
 | |
|     const VkAttachmentReference depth_reference = {
 | |
|         .attachment = 1,
 | |
|         .layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
 | |
|     };
 | |
|     const VkSubpassDescription subpass = {
 | |
|         .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
 | |
|         .flags = 0,
 | |
|         .inputAttachmentCount = 0,
 | |
|         .pInputAttachments = NULL,
 | |
|         .colorAttachmentCount = 1,
 | |
|         .pColorAttachments = &color_reference,
 | |
|         .pResolveAttachments = NULL,
 | |
|         .pDepthStencilAttachment = &depth_reference,
 | |
|         .preserveAttachmentCount = 0,
 | |
|         .pPreserveAttachments = NULL,
 | |
|     };
 | |
|     const VkRenderPassCreateInfo rp_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .attachmentCount = 2,
 | |
|         .pAttachments = attachments,
 | |
|         .subpassCount = 1,
 | |
|         .pSubpasses = &subpass,
 | |
|         .dependencyCount = 0,
 | |
|         .pDependencies = NULL,
 | |
|     };
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     err = vkCreateRenderPass(demo->device, &rp_info, NULL, &demo->render_pass);
 | |
|     assert(!err);
 | |
| }
 | |
| 
 | |
| static VkShaderModule
 | |
| demo_prepare_shader_module(struct demo *demo, const void *code, size_t size) {
 | |
|     VkShaderModuleCreateInfo moduleCreateInfo;
 | |
|     VkShaderModule module;
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     moduleCreateInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
 | |
|     moduleCreateInfo.pNext = NULL;
 | |
| 
 | |
|     moduleCreateInfo.codeSize = size;
 | |
|     moduleCreateInfo.pCode = code;
 | |
|     moduleCreateInfo.flags = 0;
 | |
|     err = vkCreateShaderModule(demo->device, &moduleCreateInfo, NULL, &module);
 | |
|     assert(!err);
 | |
| 
 | |
|     return module;
 | |
| }
 | |
| 
 | |
| static VkShaderModule demo_prepare_vs(struct demo *demo) {
 | |
|     size_t size = sizeof(vertShaderCode);
 | |
| 
 | |
|     demo->vert_shader_module =
 | |
|         demo_prepare_shader_module(demo, vertShaderCode, size);
 | |
| 
 | |
|     return demo->vert_shader_module;
 | |
| }
 | |
| 
 | |
| static VkShaderModule demo_prepare_fs(struct demo *demo) {
 | |
|     size_t size = sizeof(fragShaderCode);
 | |
| 
 | |
|     demo->frag_shader_module =
 | |
|         demo_prepare_shader_module(demo, fragShaderCode, size);
 | |
| 
 | |
|     return demo->frag_shader_module;
 | |
| }
 | |
| 
 | |
| static void demo_prepare_pipeline(struct demo *demo) {
 | |
|     VkGraphicsPipelineCreateInfo pipeline;
 | |
|     VkPipelineCacheCreateInfo pipelineCache;
 | |
| 
 | |
|     VkPipelineVertexInputStateCreateInfo vi;
 | |
|     VkPipelineInputAssemblyStateCreateInfo ia;
 | |
|     VkPipelineRasterizationStateCreateInfo rs;
 | |
|     VkPipelineColorBlendStateCreateInfo cb;
 | |
|     VkPipelineDepthStencilStateCreateInfo ds;
 | |
|     VkPipelineViewportStateCreateInfo vp;
 | |
|     VkPipelineMultisampleStateCreateInfo ms;
 | |
|     VkDynamicState dynamicStateEnables[2];
 | |
|     VkPipelineDynamicStateCreateInfo dynamicState;
 | |
| 
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     memset(dynamicStateEnables, 0, sizeof dynamicStateEnables);
 | |
|     memset(&dynamicState, 0, sizeof dynamicState);
 | |
|     dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
 | |
|     dynamicState.pDynamicStates = dynamicStateEnables;
 | |
| 
 | |
|     memset(&pipeline, 0, sizeof(pipeline));
 | |
|     pipeline.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
 | |
|     pipeline.layout = demo->pipeline_layout;
 | |
| 
 | |
|     vi = demo->vertices.vi;
 | |
| 
 | |
|     memset(&ia, 0, sizeof(ia));
 | |
|     ia.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
 | |
|     ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
 | |
| 
 | |
|     memset(&rs, 0, sizeof(rs));
 | |
|     rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
 | |
|     rs.polygonMode = VK_POLYGON_MODE_FILL;
 | |
|     rs.cullMode = VK_CULL_MODE_BACK_BIT;
 | |
|     rs.frontFace = VK_FRONT_FACE_CLOCKWISE;
 | |
|     rs.depthClampEnable = VK_FALSE;
 | |
|     rs.rasterizerDiscardEnable = VK_FALSE;
 | |
|     rs.depthBiasEnable = VK_FALSE;
 | |
|     rs.lineWidth = 1.0f;
 | |
| 
 | |
|     memset(&cb, 0, sizeof(cb));
 | |
|     cb.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
 | |
|     VkPipelineColorBlendAttachmentState att_state[1];
 | |
|     memset(att_state, 0, sizeof(att_state));
 | |
|     att_state[0].colorWriteMask = 0xf;
 | |
|     att_state[0].blendEnable = VK_FALSE;
 | |
|     cb.attachmentCount = 1;
 | |
|     cb.pAttachments = att_state;
 | |
| 
 | |
|     memset(&vp, 0, sizeof(vp));
 | |
|     vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
 | |
|     vp.viewportCount = 1;
 | |
|     dynamicStateEnables[dynamicState.dynamicStateCount++] =
 | |
|         VK_DYNAMIC_STATE_VIEWPORT;
 | |
|     vp.scissorCount = 1;
 | |
|     dynamicStateEnables[dynamicState.dynamicStateCount++] =
 | |
|         VK_DYNAMIC_STATE_SCISSOR;
 | |
| 
 | |
|     memset(&ds, 0, sizeof(ds));
 | |
|     ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
 | |
|     ds.depthTestEnable = VK_TRUE;
 | |
|     ds.depthWriteEnable = VK_TRUE;
 | |
|     ds.depthCompareOp = VK_COMPARE_OP_LESS_OR_EQUAL;
 | |
|     ds.depthBoundsTestEnable = VK_FALSE;
 | |
|     ds.back.failOp = VK_STENCIL_OP_KEEP;
 | |
|     ds.back.passOp = VK_STENCIL_OP_KEEP;
 | |
|     ds.back.compareOp = VK_COMPARE_OP_ALWAYS;
 | |
|     ds.stencilTestEnable = VK_FALSE;
 | |
|     ds.front = ds.back;
 | |
| 
 | |
|     memset(&ms, 0, sizeof(ms));
 | |
|     ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
 | |
|     ms.pSampleMask = NULL;
 | |
|     ms.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
 | |
| 
 | |
|     // Two stages: vs and fs
 | |
|     pipeline.stageCount = 2;
 | |
|     VkPipelineShaderStageCreateInfo shaderStages[2];
 | |
|     memset(&shaderStages, 0, 2 * sizeof(VkPipelineShaderStageCreateInfo));
 | |
| 
 | |
|     shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
 | |
|     shaderStages[0].stage = VK_SHADER_STAGE_VERTEX_BIT;
 | |
|     shaderStages[0].module = demo_prepare_vs(demo);
 | |
|     shaderStages[0].pName = "main";
 | |
| 
 | |
|     shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
 | |
|     shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT;
 | |
|     shaderStages[1].module = demo_prepare_fs(demo);
 | |
|     shaderStages[1].pName = "main";
 | |
| 
 | |
|     pipeline.pVertexInputState = &vi;
 | |
|     pipeline.pInputAssemblyState = &ia;
 | |
|     pipeline.pRasterizationState = &rs;
 | |
|     pipeline.pColorBlendState = &cb;
 | |
|     pipeline.pMultisampleState = &ms;
 | |
|     pipeline.pViewportState = &vp;
 | |
|     pipeline.pDepthStencilState = &ds;
 | |
|     pipeline.pStages = shaderStages;
 | |
|     pipeline.renderPass = demo->render_pass;
 | |
|     pipeline.pDynamicState = &dynamicState;
 | |
| 
 | |
|     memset(&pipelineCache, 0, sizeof(pipelineCache));
 | |
|     pipelineCache.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
 | |
| 
 | |
|     err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL,
 | |
|                                 &demo->pipelineCache);
 | |
|     assert(!err);
 | |
|     err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache, 1,
 | |
|                                     &pipeline, NULL, &demo->pipeline);
 | |
|     assert(!err);
 | |
| 
 | |
|     vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL);
 | |
| 
 | |
|     vkDestroyShaderModule(demo->device, demo->frag_shader_module, NULL);
 | |
|     vkDestroyShaderModule(demo->device, demo->vert_shader_module, NULL);
 | |
| }
 | |
| 
 | |
| static void demo_prepare_descriptor_pool(struct demo *demo) {
 | |
|     const VkDescriptorPoolSize type_count = {
 | |
|         .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
 | |
|         .descriptorCount = DEMO_TEXTURE_COUNT,
 | |
|     };
 | |
|     const VkDescriptorPoolCreateInfo descriptor_pool = {
 | |
|         .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .maxSets = 1,
 | |
|         .poolSizeCount = 1,
 | |
|         .pPoolSizes = &type_count,
 | |
|     };
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     err = vkCreateDescriptorPool(demo->device, &descriptor_pool, NULL,
 | |
|                                  &demo->desc_pool);
 | |
|     assert(!err);
 | |
| }
 | |
| 
 | |
| static void demo_prepare_descriptor_set(struct demo *demo) {
 | |
|     VkDescriptorImageInfo tex_descs[DEMO_TEXTURE_COUNT];
 | |
|     VkWriteDescriptorSet write;
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     uint32_t i;
 | |
| 
 | |
|     VkDescriptorSetAllocateInfo alloc_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .descriptorPool = demo->desc_pool,
 | |
|         .descriptorSetCount = 1,
 | |
|         .pSetLayouts = &demo->desc_layout};
 | |
|     err = vkAllocateDescriptorSets(demo->device, &alloc_info, &demo->desc_set);
 | |
|     assert(!err);
 | |
| 
 | |
|     memset(&tex_descs, 0, sizeof(tex_descs));
 | |
|     for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
 | |
|         tex_descs[i].sampler = demo->textures[i].sampler;
 | |
|         tex_descs[i].imageView = demo->textures[i].view;
 | |
|         tex_descs[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
 | |
|     }
 | |
| 
 | |
|     memset(&write, 0, sizeof(write));
 | |
|     write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
 | |
|     write.dstSet = demo->desc_set;
 | |
|     write.descriptorCount = DEMO_TEXTURE_COUNT;
 | |
|     write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
 | |
|     write.pImageInfo = tex_descs;
 | |
| 
 | |
|     vkUpdateDescriptorSets(demo->device, 1, &write, 0, NULL);
 | |
| }
 | |
| 
 | |
| static void demo_prepare_framebuffers(struct demo *demo) {
 | |
|     VkImageView attachments[2];
 | |
|     attachments[1] = demo->depth.view;
 | |
| 
 | |
|     const VkFramebufferCreateInfo fb_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .renderPass = demo->render_pass,
 | |
|         .attachmentCount = 2,
 | |
|         .pAttachments = attachments,
 | |
|         .width = demo->width,
 | |
|         .height = demo->height,
 | |
|         .layers = 1,
 | |
|     };
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     uint32_t i;
 | |
| 
 | |
|     demo->framebuffers = (VkFramebuffer *)malloc(demo->swapchainImageCount *
 | |
|                                                  sizeof(VkFramebuffer));
 | |
|     assert(demo->framebuffers);
 | |
| 
 | |
|     for (i = 0; i < demo->swapchainImageCount; i++) {
 | |
|         attachments[0] = demo->buffers[i].view;
 | |
|         err = vkCreateFramebuffer(demo->device, &fb_info, NULL,
 | |
|                                   &demo->framebuffers[i]);
 | |
|         assert(!err);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void demo_prepare(struct demo *demo) {
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     const VkCommandPoolCreateInfo cmd_pool_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .queueFamilyIndex = demo->graphics_queue_node_index,
 | |
|         .flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
 | |
|     };
 | |
|     err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL,
 | |
|                               &demo->cmd_pool);
 | |
|     assert(!err);
 | |
| 
 | |
|     const VkCommandBufferAllocateInfo cmd = {
 | |
|         .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .commandPool = demo->cmd_pool,
 | |
|         .level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
 | |
|         .commandBufferCount = 1,
 | |
|     };
 | |
|     err = vkAllocateCommandBuffers(demo->device, &cmd, &demo->draw_cmd);
 | |
|     assert(!err);
 | |
| 
 | |
|     demo_prepare_buffers(demo);
 | |
|     demo_prepare_depth(demo);
 | |
|     demo_prepare_textures(demo);
 | |
|     demo_prepare_vertices(demo);
 | |
|     demo_prepare_descriptor_layout(demo);
 | |
|     demo_prepare_render_pass(demo);
 | |
|     demo_prepare_pipeline(demo);
 | |
| 
 | |
|     demo_prepare_descriptor_pool(demo);
 | |
|     demo_prepare_descriptor_set(demo);
 | |
| 
 | |
|     demo_prepare_framebuffers(demo);
 | |
| }
 | |
| 
 | |
| static void demo_error_callback(int error, const char* description) {
 | |
|     printf("GLFW error: %s\n", description);
 | |
|     fflush(stdout);
 | |
| }
 | |
| 
 | |
| static void demo_key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) {
 | |
|     if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE)
 | |
|         glfwSetWindowShouldClose(window, GLFW_TRUE);
 | |
| }
 | |
| 
 | |
| static void demo_refresh_callback(GLFWwindow* window) {
 | |
|     struct demo* demo = glfwGetWindowUserPointer(window);
 | |
|     demo_draw(demo);
 | |
| }
 | |
| 
 | |
| static void demo_resize_callback(GLFWwindow* window, int width, int height) {
 | |
|     struct demo* demo = glfwGetWindowUserPointer(window);
 | |
|     demo->width = width;
 | |
|     demo->height = height;
 | |
|     demo_resize(demo);
 | |
| }
 | |
| 
 | |
| static void demo_run(struct demo *demo) {
 | |
|     while (!glfwWindowShouldClose(demo->window)) {
 | |
|         glfwPollEvents();
 | |
| 
 | |
|         demo_draw(demo);
 | |
| 
 | |
|         if (demo->depthStencil > 0.99f)
 | |
|             demo->depthIncrement = -0.001f;
 | |
|         if (demo->depthStencil < 0.8f)
 | |
|             demo->depthIncrement = 0.001f;
 | |
| 
 | |
|         demo->depthStencil += demo->depthIncrement;
 | |
| 
 | |
|         // Wait for work to finish before updating MVP.
 | |
|         vkDeviceWaitIdle(demo->device);
 | |
|         demo->curFrame++;
 | |
|         if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount)
 | |
|             glfwSetWindowShouldClose(demo->window, GLFW_TRUE);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void demo_create_window(struct demo *demo) {
 | |
|     glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
 | |
| 
 | |
|     demo->window = glfwCreateWindow(demo->width,
 | |
|                                     demo->height,
 | |
|                                     APP_LONG_NAME,
 | |
|                                     NULL,
 | |
|                                     NULL);
 | |
|     if (!demo->window) {
 | |
|         // It didn't work, so try to give a useful error:
 | |
|         printf("Cannot create a window in which to draw!\n");
 | |
|         fflush(stdout);
 | |
|         exit(1);
 | |
|     }
 | |
| 
 | |
|     glfwSetWindowUserPointer(demo->window, demo);
 | |
|     glfwSetWindowRefreshCallback(demo->window, demo_refresh_callback);
 | |
|     glfwSetFramebufferSizeCallback(demo->window, demo_resize_callback);
 | |
|     glfwSetKeyCallback(demo->window, demo_key_callback);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Return 1 (true) if all layer names specified in check_names
 | |
|  * can be found in given layer properties.
 | |
|  */
 | |
| static VkBool32 demo_check_layers(uint32_t check_count, const char **check_names,
 | |
|                                   uint32_t layer_count,
 | |
|                                   VkLayerProperties *layers) {
 | |
|     uint32_t i, j;
 | |
|     for (i = 0; i < check_count; i++) {
 | |
|         VkBool32 found = 0;
 | |
|         for (j = 0; j < layer_count; j++) {
 | |
|             if (!strcmp(check_names[i], layers[j].layerName)) {
 | |
|                 found = 1;
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|         if (!found) {
 | |
|             fprintf(stderr, "Cannot find layer: %s\n", check_names[i]);
 | |
|             return 0;
 | |
|         }
 | |
|     }
 | |
|     return 1;
 | |
| }
 | |
| 
 | |
| static void demo_init_vk(struct demo *demo) {
 | |
|     VkResult err;
 | |
|     VkBool32 portability_enumeration = VK_FALSE;
 | |
|     uint32_t i = 0;
 | |
|     uint32_t required_extension_count = 0;
 | |
|     uint32_t instance_extension_count = 0;
 | |
|     uint32_t instance_layer_count = 0;
 | |
|     uint32_t validation_layer_count = 0;
 | |
|     const char **required_extensions = NULL;
 | |
|     const char **instance_validation_layers = NULL;
 | |
|     demo->enabled_extension_count = 0;
 | |
|     demo->enabled_layer_count = 0;
 | |
| 
 | |
|     char *instance_validation_layers_alt1[] = {
 | |
|         "VK_LAYER_LUNARG_standard_validation"
 | |
|     };
 | |
| 
 | |
|     char *instance_validation_layers_alt2[] = {
 | |
|         "VK_LAYER_GOOGLE_threading",       "VK_LAYER_LUNARG_parameter_validation",
 | |
|         "VK_LAYER_LUNARG_object_tracker",  "VK_LAYER_LUNARG_image",
 | |
|         "VK_LAYER_LUNARG_core_validation", "VK_LAYER_LUNARG_swapchain",
 | |
|         "VK_LAYER_GOOGLE_unique_objects"
 | |
|     };
 | |
| 
 | |
|     /* Look for validation layers */
 | |
|     VkBool32 validation_found = 0;
 | |
|     if (demo->validate) {
 | |
| 
 | |
|         err = vkEnumerateInstanceLayerProperties(&instance_layer_count, NULL);
 | |
|         assert(!err);
 | |
| 
 | |
|         instance_validation_layers = (const char**) instance_validation_layers_alt1;
 | |
|         if (instance_layer_count > 0) {
 | |
|             VkLayerProperties *instance_layers =
 | |
|                     malloc(sizeof (VkLayerProperties) * instance_layer_count);
 | |
|             err = vkEnumerateInstanceLayerProperties(&instance_layer_count,
 | |
|                     instance_layers);
 | |
|             assert(!err);
 | |
| 
 | |
| 
 | |
|             validation_found = demo_check_layers(
 | |
|                     ARRAY_SIZE(instance_validation_layers_alt1),
 | |
|                     instance_validation_layers, instance_layer_count,
 | |
|                     instance_layers);
 | |
|             if (validation_found) {
 | |
|                 demo->enabled_layer_count = ARRAY_SIZE(instance_validation_layers_alt1);
 | |
|                 demo->enabled_layers[0] = "VK_LAYER_LUNARG_standard_validation";
 | |
|                 validation_layer_count = 1;
 | |
|             } else {
 | |
|                 // use alternative set of validation layers
 | |
|                 instance_validation_layers =
 | |
|                     (const char**) instance_validation_layers_alt2;
 | |
|                 demo->enabled_layer_count = ARRAY_SIZE(instance_validation_layers_alt2);
 | |
|                 validation_found = demo_check_layers(
 | |
|                     ARRAY_SIZE(instance_validation_layers_alt2),
 | |
|                     instance_validation_layers, instance_layer_count,
 | |
|                     instance_layers);
 | |
|                 validation_layer_count =
 | |
|                     ARRAY_SIZE(instance_validation_layers_alt2);
 | |
|                 for (i = 0; i < validation_layer_count; i++) {
 | |
|                     demo->enabled_layers[i] = instance_validation_layers[i];
 | |
|                 }
 | |
|             }
 | |
|             free(instance_layers);
 | |
|         }
 | |
| 
 | |
|         if (!validation_found) {
 | |
|             ERR_EXIT("vkEnumerateInstanceLayerProperties failed to find "
 | |
|                     "required validation layer.\n\n"
 | |
|                     "Please look at the Getting Started guide for additional "
 | |
|                     "information.\n",
 | |
|                     "vkCreateInstance Failure");
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /* Look for instance extensions */
 | |
|     required_extensions = glfwGetRequiredInstanceExtensions(&required_extension_count);
 | |
|     if (!required_extensions) {
 | |
|         ERR_EXIT("glfwGetRequiredInstanceExtensions failed to find the "
 | |
|                  "platform surface extensions.\n\nDo you have a compatible "
 | |
|                  "Vulkan installable client driver (ICD) installed?\nPlease "
 | |
|                  "look at the Getting Started guide for additional "
 | |
|                  "information.\n",
 | |
|                  "vkCreateInstance Failure");
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < required_extension_count; i++) {
 | |
|         demo->extension_names[demo->enabled_extension_count++] = required_extensions[i];
 | |
|         assert(demo->enabled_extension_count < 64);
 | |
|     }
 | |
| 
 | |
|     err = vkEnumerateInstanceExtensionProperties(
 | |
|         NULL, &instance_extension_count, NULL);
 | |
|     assert(!err);
 | |
| 
 | |
|     if (instance_extension_count > 0) {
 | |
|         VkExtensionProperties *instance_extensions =
 | |
|             malloc(sizeof(VkExtensionProperties) * instance_extension_count);
 | |
|         err = vkEnumerateInstanceExtensionProperties(
 | |
|             NULL, &instance_extension_count, instance_extensions);
 | |
|         assert(!err);
 | |
|         for (i = 0; i < instance_extension_count; i++) {
 | |
|             if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
 | |
|                         instance_extensions[i].extensionName)) {
 | |
|                 if (demo->validate) {
 | |
|                     demo->extension_names[demo->enabled_extension_count++] =
 | |
|                         VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
 | |
|                 }
 | |
|             }
 | |
|             assert(demo->enabled_extension_count < 64);
 | |
|             if (!strcmp(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME,
 | |
|                         instance_extensions[i].extensionName)) {
 | |
|                 demo->extension_names[demo->enabled_extension_count++] =
 | |
|                     VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME;
 | |
|                 portability_enumeration = VK_TRUE;
 | |
|             }
 | |
|             assert(demo->enabled_extension_count < 64);
 | |
|         }
 | |
| 
 | |
|         free(instance_extensions);
 | |
|     }
 | |
| 
 | |
|     const VkApplicationInfo app = {
 | |
|         .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
 | |
|         .pNext = NULL,
 | |
|         .pApplicationName = APP_SHORT_NAME,
 | |
|         .applicationVersion = 0,
 | |
|         .pEngineName = APP_SHORT_NAME,
 | |
|         .engineVersion = 0,
 | |
|         .apiVersion = VK_API_VERSION_1_0,
 | |
|     };
 | |
|     VkInstanceCreateInfo inst_info = {
 | |
|         .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .pApplicationInfo = &app,
 | |
|         .enabledLayerCount = demo->enabled_layer_count,
 | |
|         .ppEnabledLayerNames = (const char *const *)instance_validation_layers,
 | |
|         .enabledExtensionCount = demo->enabled_extension_count,
 | |
|         .ppEnabledExtensionNames = (const char *const *)demo->extension_names,
 | |
|     };
 | |
| 
 | |
|     if (portability_enumeration)
 | |
|         inst_info.flags |= VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
 | |
| 
 | |
|     uint32_t gpu_count;
 | |
| 
 | |
|     err = vkCreateInstance(&inst_info, NULL, &demo->inst);
 | |
|     if (err == VK_ERROR_INCOMPATIBLE_DRIVER) {
 | |
|         ERR_EXIT("Cannot find a compatible Vulkan installable client driver "
 | |
|                  "(ICD).\n\nPlease look at the Getting Started guide for "
 | |
|                  "additional information.\n",
 | |
|                  "vkCreateInstance Failure");
 | |
|     } else if (err == VK_ERROR_EXTENSION_NOT_PRESENT) {
 | |
|         ERR_EXIT("Cannot find a specified extension library"
 | |
|                  ".\nMake sure your layers path is set appropriately\n",
 | |
|                  "vkCreateInstance Failure");
 | |
|     } else if (err) {
 | |
|         ERR_EXIT("vkCreateInstance failed.\n\nDo you have a compatible Vulkan "
 | |
|                  "installable client driver (ICD) installed?\nPlease look at "
 | |
|                  "the Getting Started guide for additional information.\n",
 | |
|                  "vkCreateInstance Failure");
 | |
|     }
 | |
| 
 | |
|     gladLoadVulkanUserPtr(NULL, (GLADuserptrloadfunc) glfwGetInstanceProcAddress, demo->inst);
 | |
| 
 | |
|     /* Make initial call to query gpu_count, then second call for gpu info*/
 | |
|     err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, NULL);
 | |
|     assert(!err && gpu_count > 0);
 | |
| 
 | |
|     if (gpu_count > 0) {
 | |
|         VkPhysicalDevice *physical_devices =
 | |
|             malloc(sizeof(VkPhysicalDevice) * gpu_count);
 | |
|         err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count,
 | |
|                                          physical_devices);
 | |
|         assert(!err);
 | |
|         /* For tri demo we just grab the first physical device */
 | |
|         demo->gpu = physical_devices[0];
 | |
|         free(physical_devices);
 | |
|     } else {
 | |
|         ERR_EXIT("vkEnumeratePhysicalDevices reported zero accessible devices."
 | |
|                  "\n\nDo you have a compatible Vulkan installable client"
 | |
|                  " driver (ICD) installed?\nPlease look at the Getting Started"
 | |
|                  " guide for additional information.\n",
 | |
|                  "vkEnumeratePhysicalDevices Failure");
 | |
|     }
 | |
| 
 | |
|     gladLoadVulkanUserPtr(demo->gpu, (GLADuserptrloadfunc) glfwGetInstanceProcAddress, demo->inst);
 | |
| 
 | |
|     /* Look for device extensions */
 | |
|     uint32_t device_extension_count = 0;
 | |
|     VkBool32 swapchainExtFound = 0;
 | |
|     demo->enabled_extension_count = 0;
 | |
| 
 | |
|     err = vkEnumerateDeviceExtensionProperties(demo->gpu, NULL,
 | |
|                                                &device_extension_count, NULL);
 | |
|     assert(!err);
 | |
| 
 | |
|     if (device_extension_count > 0) {
 | |
|         VkExtensionProperties *device_extensions =
 | |
|                 malloc(sizeof(VkExtensionProperties) * device_extension_count);
 | |
|         err = vkEnumerateDeviceExtensionProperties(
 | |
|             demo->gpu, NULL, &device_extension_count, device_extensions);
 | |
|         assert(!err);
 | |
| 
 | |
|         for (i = 0; i < device_extension_count; i++) {
 | |
|             if (!strcmp(VK_KHR_SWAPCHAIN_EXTENSION_NAME,
 | |
|                         device_extensions[i].extensionName)) {
 | |
|                 swapchainExtFound = 1;
 | |
|                 demo->extension_names[demo->enabled_extension_count++] =
 | |
|                     VK_KHR_SWAPCHAIN_EXTENSION_NAME;
 | |
|             }
 | |
|             assert(demo->enabled_extension_count < 64);
 | |
|         }
 | |
| 
 | |
|         free(device_extensions);
 | |
|     }
 | |
| 
 | |
|     if (!swapchainExtFound) {
 | |
|         ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find "
 | |
|                  "the " VK_KHR_SWAPCHAIN_EXTENSION_NAME
 | |
|                  " extension.\n\nDo you have a compatible "
 | |
|                  "Vulkan installable client driver (ICD) installed?\nPlease "
 | |
|                  "look at the Getting Started guide for additional "
 | |
|                  "information.\n",
 | |
|                  "vkCreateInstance Failure");
 | |
|     }
 | |
| 
 | |
|     if (demo->validate) {
 | |
|         VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
 | |
|         dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
 | |
|         dbgCreateInfo.flags =
 | |
|             VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT;
 | |
|         dbgCreateInfo.pfnCallback = demo->use_break ? BreakCallback : dbgFunc;
 | |
|         dbgCreateInfo.pUserData = demo;
 | |
|         dbgCreateInfo.pNext = NULL;
 | |
|         err = vkCreateDebugReportCallbackEXT(demo->inst, &dbgCreateInfo, NULL,
 | |
|                                              &demo->msg_callback);
 | |
|         switch (err) {
 | |
|         case VK_SUCCESS:
 | |
|             break;
 | |
|         case VK_ERROR_OUT_OF_HOST_MEMORY:
 | |
|             ERR_EXIT("CreateDebugReportCallback: out of host memory\n",
 | |
|                      "CreateDebugReportCallback Failure");
 | |
|             break;
 | |
|         default:
 | |
|             ERR_EXIT("CreateDebugReportCallback: unknown failure\n",
 | |
|                      "CreateDebugReportCallback Failure");
 | |
|             break;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     vkGetPhysicalDeviceProperties(demo->gpu, &demo->gpu_props);
 | |
| 
 | |
|     // Query with NULL data to get count
 | |
|     vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
 | |
|                                              NULL);
 | |
| 
 | |
|     demo->queue_props = (VkQueueFamilyProperties *)malloc(
 | |
|         demo->queue_count * sizeof(VkQueueFamilyProperties));
 | |
|     vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
 | |
|                                              demo->queue_props);
 | |
|     assert(demo->queue_count >= 1);
 | |
| 
 | |
|     vkGetPhysicalDeviceFeatures(demo->gpu, &demo->gpu_features);
 | |
| 
 | |
|     // Graphics queue and MemMgr queue can be separate.
 | |
|     // TODO: Add support for separate queues, including synchronization,
 | |
|     //       and appropriate tracking for QueueSubmit
 | |
| }
 | |
| 
 | |
| static void demo_init_device(struct demo *demo) {
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
| 
 | |
|     float queue_priorities[1] = {0.0};
 | |
|     const VkDeviceQueueCreateInfo queue = {
 | |
|         .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .queueFamilyIndex = demo->graphics_queue_node_index,
 | |
|         .queueCount = 1,
 | |
|         .pQueuePriorities = queue_priorities};
 | |
| 
 | |
| 
 | |
|     VkPhysicalDeviceFeatures features;
 | |
|     memset(&features, 0, sizeof(features));
 | |
|     if (demo->gpu_features.shaderClipDistance) {
 | |
|         features.shaderClipDistance = VK_TRUE;
 | |
|     }
 | |
| 
 | |
|     VkDeviceCreateInfo device = {
 | |
|         .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
 | |
|         .pNext = NULL,
 | |
|         .queueCreateInfoCount = 1,
 | |
|         .pQueueCreateInfos = &queue,
 | |
|         .enabledLayerCount = 0,
 | |
|         .ppEnabledLayerNames = NULL,
 | |
|         .enabledExtensionCount = demo->enabled_extension_count,
 | |
|         .ppEnabledExtensionNames = (const char *const *)demo->extension_names,
 | |
|         .pEnabledFeatures = &features,
 | |
|     };
 | |
| 
 | |
|     err = vkCreateDevice(demo->gpu, &device, NULL, &demo->device);
 | |
|     assert(!err);
 | |
| }
 | |
| 
 | |
| static void demo_init_vk_swapchain(struct demo *demo) {
 | |
|     VkResult U_ASSERT_ONLY err;
 | |
|     uint32_t i;
 | |
| 
 | |
|     // Create a WSI surface for the window:
 | |
|     glfwCreateWindowSurface(demo->inst, demo->window, NULL, &demo->surface);
 | |
| 
 | |
|     // Iterate over each queue to learn whether it supports presenting:
 | |
|     VkBool32 *supportsPresent =
 | |
|         (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32));
 | |
|     for (i = 0; i < demo->queue_count; i++) {
 | |
|         vkGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i, demo->surface,
 | |
|                                              &supportsPresent[i]);
 | |
|     }
 | |
| 
 | |
|     // Search for a graphics and a present queue in the array of queue
 | |
|     // families, try to find one that supports both
 | |
|     uint32_t graphicsQueueNodeIndex = UINT32_MAX;
 | |
|     uint32_t presentQueueNodeIndex = UINT32_MAX;
 | |
|     for (i = 0; i < demo->queue_count; i++) {
 | |
|         if ((demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
 | |
|             if (graphicsQueueNodeIndex == UINT32_MAX) {
 | |
|                 graphicsQueueNodeIndex = i;
 | |
|             }
 | |
| 
 | |
|             if (supportsPresent[i] == VK_TRUE) {
 | |
|                 graphicsQueueNodeIndex = i;
 | |
|                 presentQueueNodeIndex = i;
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     if (presentQueueNodeIndex == UINT32_MAX) {
 | |
|         // If didn't find a queue that supports both graphics and present, then
 | |
|         // find a separate present queue.
 | |
|         for (i = 0; i < demo->queue_count; ++i) {
 | |
|             if (supportsPresent[i] == VK_TRUE) {
 | |
|                 presentQueueNodeIndex = i;
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     free(supportsPresent);
 | |
| 
 | |
|     // Generate error if could not find both a graphics and a present queue
 | |
|     if (graphicsQueueNodeIndex == UINT32_MAX ||
 | |
|         presentQueueNodeIndex == UINT32_MAX) {
 | |
|         ERR_EXIT("Could not find a graphics and a present queue\n",
 | |
|                  "Swapchain Initialization Failure");
 | |
|     }
 | |
| 
 | |
|     // TODO: Add support for separate queues, including presentation,
 | |
|     //       synchronization, and appropriate tracking for QueueSubmit.
 | |
|     // NOTE: While it is possible for an application to use a separate graphics
 | |
|     //       and a present queues, this demo program assumes it is only using
 | |
|     //       one:
 | |
|     if (graphicsQueueNodeIndex != presentQueueNodeIndex) {
 | |
|         ERR_EXIT("Could not find a common graphics and a present queue\n",
 | |
|                  "Swapchain Initialization Failure");
 | |
|     }
 | |
| 
 | |
|     demo->graphics_queue_node_index = graphicsQueueNodeIndex;
 | |
| 
 | |
|     demo_init_device(demo);
 | |
| 
 | |
|     vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index, 0,
 | |
|                      &demo->queue);
 | |
| 
 | |
|     // Get the list of VkFormat's that are supported:
 | |
|     uint32_t formatCount;
 | |
|     err = vkGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
 | |
|                                                &formatCount, NULL);
 | |
|     assert(!err);
 | |
|     VkSurfaceFormatKHR *surfFormats =
 | |
|         (VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR));
 | |
|     err = vkGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
 | |
|                                                &formatCount, surfFormats);
 | |
|     assert(!err);
 | |
|     // If the format list includes just one entry of VK_FORMAT_UNDEFINED,
 | |
|     // the surface has no preferred format.  Otherwise, at least one
 | |
|     // supported format will be returned.
 | |
|     if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) {
 | |
|         demo->format = VK_FORMAT_B8G8R8A8_UNORM;
 | |
|     } else {
 | |
|         assert(formatCount >= 1);
 | |
|         demo->format = surfFormats[0].format;
 | |
|     }
 | |
|     demo->color_space = surfFormats[0].colorSpace;
 | |
| 
 | |
|     demo->curFrame = 0;
 | |
| 
 | |
|     // Get Memory information and properties
 | |
|     vkGetPhysicalDeviceMemoryProperties(demo->gpu, &demo->memory_properties);
 | |
| }
 | |
| 
 | |
| static void demo_init_connection(struct demo *demo) {
 | |
|     glfwSetErrorCallback(demo_error_callback);
 | |
| 
 | |
|     if (!glfwInit()) {
 | |
|         printf("Cannot initialize GLFW.\nExiting ...\n");
 | |
|         fflush(stdout);
 | |
|         exit(1);
 | |
|     }
 | |
| 
 | |
|     if (!glfwVulkanSupported()) {
 | |
|         printf("GLFW failed to find the Vulkan loader.\nExiting ...\n");
 | |
|         fflush(stdout);
 | |
|         exit(1);
 | |
|     }
 | |
| 
 | |
|     gladLoadVulkanUserPtr(NULL, (GLADuserptrloadfunc) glfwGetInstanceProcAddress, NULL);
 | |
| }
 | |
| 
 | |
| static void demo_init(struct demo *demo, const int argc, const char *argv[])
 | |
| {
 | |
|     int i;
 | |
|     memset(demo, 0, sizeof(*demo));
 | |
|     demo->frameCount = INT32_MAX;
 | |
| 
 | |
|     for (i = 1; i < argc; i++) {
 | |
|         if (strcmp(argv[i], "--use_staging") == 0) {
 | |
|             demo->use_staging_buffer = true;
 | |
|             continue;
 | |
|         }
 | |
|         if (strcmp(argv[i], "--break") == 0) {
 | |
|             demo->use_break = true;
 | |
|             continue;
 | |
|         }
 | |
|         if (strcmp(argv[i], "--validate") == 0) {
 | |
|             demo->validate = true;
 | |
|             continue;
 | |
|         }
 | |
|         if (strcmp(argv[i], "--c") == 0 && demo->frameCount == INT32_MAX &&
 | |
|             i < argc - 1 && sscanf(argv[i + 1], "%d", &demo->frameCount) == 1 &&
 | |
|             demo->frameCount >= 0) {
 | |
|             i++;
 | |
|             continue;
 | |
|         }
 | |
| 
 | |
|         fprintf(stderr, "Usage:\n  %s [--use_staging] [--validate] [--break] "
 | |
|                         "[--c <framecount>]\n",
 | |
|                 APP_SHORT_NAME);
 | |
|         fflush(stderr);
 | |
|         exit(1);
 | |
|     }
 | |
| 
 | |
|     demo_init_connection(demo);
 | |
|     demo_init_vk(demo);
 | |
| 
 | |
|     demo->width = 300;
 | |
|     demo->height = 300;
 | |
|     demo->depthStencil = 1.0;
 | |
|     demo->depthIncrement = -0.01f;
 | |
| }
 | |
| 
 | |
| static void demo_cleanup(struct demo *demo) {
 | |
|     uint32_t i;
 | |
| 
 | |
|     for (i = 0; i < demo->swapchainImageCount; i++) {
 | |
|         vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL);
 | |
|     }
 | |
|     free(demo->framebuffers);
 | |
|     vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL);
 | |
| 
 | |
|     if (demo->setup_cmd) {
 | |
|         vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->setup_cmd);
 | |
|     }
 | |
|     vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->draw_cmd);
 | |
|     vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL);
 | |
| 
 | |
|     vkDestroyPipeline(demo->device, demo->pipeline, NULL);
 | |
|     vkDestroyRenderPass(demo->device, demo->render_pass, NULL);
 | |
|     vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL);
 | |
|     vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL);
 | |
| 
 | |
|     vkDestroyBuffer(demo->device, demo->vertices.buf, NULL);
 | |
|     vkFreeMemory(demo->device, demo->vertices.mem, NULL);
 | |
| 
 | |
|     for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
 | |
|         vkDestroyImageView(demo->device, demo->textures[i].view, NULL);
 | |
|         vkDestroyImage(demo->device, demo->textures[i].image, NULL);
 | |
|         vkFreeMemory(demo->device, demo->textures[i].mem, NULL);
 | |
|         vkDestroySampler(demo->device, demo->textures[i].sampler, NULL);
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < demo->swapchainImageCount; i++) {
 | |
|         vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
 | |
|     }
 | |
| 
 | |
|     vkDestroyImageView(demo->device, demo->depth.view, NULL);
 | |
|     vkDestroyImage(demo->device, demo->depth.image, NULL);
 | |
|     vkFreeMemory(demo->device, demo->depth.mem, NULL);
 | |
| 
 | |
|     vkDestroySwapchainKHR(demo->device, demo->swapchain, NULL);
 | |
|     free(demo->buffers);
 | |
| 
 | |
|     vkDestroyDevice(demo->device, NULL);
 | |
|     if (demo->validate) {
 | |
|         vkDestroyDebugReportCallbackEXT(demo->inst, demo->msg_callback, NULL);
 | |
|     }
 | |
|     vkDestroySurfaceKHR(demo->inst, demo->surface, NULL);
 | |
|     vkDestroyInstance(demo->inst, NULL);
 | |
| 
 | |
|     free(demo->queue_props);
 | |
| 
 | |
|     glfwDestroyWindow(demo->window);
 | |
|     glfwTerminate();
 | |
| }
 | |
| 
 | |
| static void demo_resize(struct demo *demo) {
 | |
|     uint32_t i;
 | |
| 
 | |
|     // In order to properly resize the window, we must re-create the swapchain
 | |
|     // AND redo the command buffers, etc.
 | |
|     //
 | |
|     // First, perform part of the demo_cleanup() function:
 | |
| 
 | |
|     for (i = 0; i < demo->swapchainImageCount; i++) {
 | |
|         vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL);
 | |
|     }
 | |
|     free(demo->framebuffers);
 | |
|     vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL);
 | |
| 
 | |
|     if (demo->setup_cmd) {
 | |
|         vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->setup_cmd);
 | |
|         demo->setup_cmd = VK_NULL_HANDLE;
 | |
|     }
 | |
|     vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->draw_cmd);
 | |
|     vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL);
 | |
| 
 | |
|     vkDestroyPipeline(demo->device, demo->pipeline, NULL);
 | |
|     vkDestroyRenderPass(demo->device, demo->render_pass, NULL);
 | |
|     vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL);
 | |
|     vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL);
 | |
| 
 | |
|     vkDestroyBuffer(demo->device, demo->vertices.buf, NULL);
 | |
|     vkFreeMemory(demo->device, demo->vertices.mem, NULL);
 | |
| 
 | |
|     for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
 | |
|         vkDestroyImageView(demo->device, demo->textures[i].view, NULL);
 | |
|         vkDestroyImage(demo->device, demo->textures[i].image, NULL);
 | |
|         vkFreeMemory(demo->device, demo->textures[i].mem, NULL);
 | |
|         vkDestroySampler(demo->device, demo->textures[i].sampler, NULL);
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < demo->swapchainImageCount; i++) {
 | |
|         vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
 | |
|     }
 | |
| 
 | |
|     vkDestroyImageView(demo->device, demo->depth.view, NULL);
 | |
|     vkDestroyImage(demo->device, demo->depth.image, NULL);
 | |
|     vkFreeMemory(demo->device, demo->depth.mem, NULL);
 | |
| 
 | |
|     free(demo->buffers);
 | |
| 
 | |
|     // Second, re-perform the demo_prepare() function, which will re-create the
 | |
|     // swapchain:
 | |
|     demo_prepare(demo);
 | |
| }
 | |
| 
 | |
| int main(const int argc, const char *argv[]) {
 | |
|     struct demo demo;
 | |
| 
 | |
|     demo_init(&demo, argc, argv);
 | |
|     demo_create_window(&demo);
 | |
|     demo_init_vk_swapchain(&demo);
 | |
| 
 | |
|     demo_prepare(&demo);
 | |
|     demo_run(&demo);
 | |
| 
 | |
|     demo_cleanup(&demo);
 | |
| 
 | |
|     return validation_error;
 | |
| }
 | |
| 
 |