2 * Copyright © 2019 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
28 #include <vulkan/vulkan.h>
29 #include <vulkan/vk_dispatch_table_helper.h>
30 #include <vulkan/vk_layer.h>
31 #include <vulkan/vk_layer_data.h>
32 #include <vulkan/vk_layer_extension_utils.h>
33 #include <vulkan/vk_loader_platform.h>
34 #include "vk_layer_table.h"
38 #include "overlay_params.h"
40 #include "util/debug.h"
41 #include "util/hash_table.h"
42 #include "util/ralloc.h"
43 #include "util/os_time.h"
44 #include "util/simple_mtx.h"
46 #include "vk_enum_to_str.h"
48 /* Mapped from VkInstace/VkPhysicalDevice */
49 struct instance_data
{
50 VkLayerInstanceDispatchTable vtable
;
53 struct overlay_params params
;
57 uint32_t stats
[OVERLAY_PARAM_ENABLED_MAX
];
60 /* Mapped from VkDevice/VkCommandBuffer */
63 struct instance_data
*instance
;
65 VkLayerDispatchTable vtable
;
66 VkPhysicalDevice physical_device
;
69 VkPhysicalDeviceProperties properties
;
71 struct queue_data
*graphic_queue
;
73 struct queue_data
**queues
;
76 struct frame_stat stats
;
79 /* Mapped from VkQueue */
81 struct device_data
*device
;
85 uint32_t family_index
;
88 /* Mapped from VkSwapchainKHR */
89 struct swapchain_data
{
90 struct device_data
*device
;
92 VkSwapchainKHR swapchain
;
93 unsigned width
, height
;
98 VkImageView
*image_views
;
99 VkFramebuffer
*framebuffers
;
101 VkRenderPass render_pass
;
103 VkDescriptorPool descriptor_pool
;
104 VkDescriptorSetLayout descriptor_layout
;
105 VkDescriptorSet descriptor_set
;
107 VkSampler font_sampler
;
109 VkPipelineLayout pipeline_layout
;
112 VkCommandPool command_pool
;
115 VkCommandBuffer command_buffer
;
117 VkBuffer vertex_buffer
;
118 VkDeviceMemory vertex_buffer_mem
;
119 VkDeviceSize vertex_buffer_size
;
121 VkBuffer index_buffer
;
122 VkDeviceMemory index_buffer_mem
;
123 VkDeviceSize index_buffer_size
;
128 VkImageView font_image_view
;
129 VkDeviceMemory font_mem
;
130 VkBuffer upload_font_buffer
;
131 VkDeviceMemory upload_font_buffer_mem
;
134 VkSemaphore submission_semaphore
;
137 ImGuiContext
* imgui_context
;
142 uint64_t last_present_time
;
144 unsigned n_frames_since_update
;
145 uint64_t last_fps_update
;
148 double frame_times
[200];
150 double acquire_times
[200];
153 enum overlay_param_enabled stat_selector
;
154 struct frame_stat stats_min
, stats_max
;
155 struct frame_stat stats
[200];
158 static struct hash_table
*vk_object_to_data
= NULL
;
159 static simple_mtx_t vk_object_to_data_mutex
= _SIMPLE_MTX_INITIALIZER_NP
;
161 thread_local ImGuiContext
* __MesaImGui
;
163 static inline void ensure_vk_object_map(void)
165 if (!vk_object_to_data
) {
166 vk_object_to_data
= _mesa_hash_table_create(NULL
,
168 _mesa_key_pointer_equal
);
172 #define FIND_SWAPCHAIN_DATA(obj) ((struct swapchain_data *)find_object_data((void *) obj))
173 #define FIND_DEVICE_DATA(obj) ((struct device_data *)find_object_data((void *) obj))
174 #define FIND_QUEUE_DATA(obj) ((struct queue_data *)find_object_data((void *) obj))
175 #define FIND_PHYSICAL_DEVICE_DATA(obj) ((struct instance_data *)find_object_data((void *) obj))
176 #define FIND_INSTANCE_DATA(obj) ((struct instance_data *)find_object_data((void *) obj))
177 static void *find_object_data(void *obj
)
179 simple_mtx_lock(&vk_object_to_data_mutex
);
180 ensure_vk_object_map();
181 struct hash_entry
*entry
= _mesa_hash_table_search(vk_object_to_data
, obj
);
182 void *data
= entry
? entry
->data
: NULL
;
183 simple_mtx_unlock(&vk_object_to_data_mutex
);
187 static void map_object(void *obj
, void *data
)
189 simple_mtx_lock(&vk_object_to_data_mutex
);
190 ensure_vk_object_map();
191 _mesa_hash_table_insert(vk_object_to_data
, obj
, data
);
192 simple_mtx_unlock(&vk_object_to_data_mutex
);
195 static void unmap_object(void *obj
)
197 simple_mtx_lock(&vk_object_to_data_mutex
);
198 struct hash_entry
*entry
= _mesa_hash_table_search(vk_object_to_data
, obj
);
199 _mesa_hash_table_remove(vk_object_to_data
, entry
);
200 simple_mtx_unlock(&vk_object_to_data_mutex
);
204 static struct instance_data
*new_instance_data(VkInstance instance
)
206 struct instance_data
*data
= rzalloc(NULL
, struct instance_data
);
207 data
->instance
= instance
;
208 map_object(data
->instance
, data
);
212 static void destroy_instance_data(struct instance_data
*data
)
214 if (data
->params
.output_file
)
215 fclose(data
->params
.output_file
);
216 unmap_object(data
->instance
);
220 static void instance_data_map_physical_devices(struct instance_data
*instance_data
,
223 uint32_t physicalDeviceCount
= 0;
224 instance_data
->vtable
.EnumeratePhysicalDevices(instance_data
->instance
,
225 &physicalDeviceCount
,
228 VkPhysicalDevice
*physicalDevices
= (VkPhysicalDevice
*) malloc(sizeof(VkPhysicalDevice
) * physicalDeviceCount
);
229 instance_data
->vtable
.EnumeratePhysicalDevices(instance_data
->instance
,
230 &physicalDeviceCount
,
233 for (uint32_t i
= 0; i
< physicalDeviceCount
; i
++) {
235 map_object(physicalDevices
[i
], instance_data
);
237 unmap_object(physicalDevices
[i
]);
240 free(physicalDevices
);
244 static struct device_data
*new_device_data(VkDevice device
, struct instance_data
*instance
)
246 struct device_data
*data
= rzalloc(NULL
, struct device_data
);
247 data
->instance
= instance
;
248 data
->device
= device
;
249 map_object(data
->device
, data
);
253 static struct queue_data
*new_queue_data(VkQueue queue
,
254 const VkQueueFamilyProperties
*family_props
,
255 uint32_t family_index
,
256 struct device_data
*device_data
)
258 struct queue_data
*data
= rzalloc(device_data
, struct queue_data
);
259 data
->device
= device_data
;
261 data
->flags
= family_props
->queueFlags
;
262 data
->family_index
= family_index
;
263 map_object(data
->queue
, data
);
265 if (data
->flags
& VK_QUEUE_GRAPHICS_BIT
)
266 device_data
->graphic_queue
= data
;
271 static void device_map_queues(struct device_data
*data
,
272 const VkDeviceCreateInfo
*pCreateInfo
)
274 for (uint32_t i
= 0; i
< pCreateInfo
->queueCreateInfoCount
; i
++)
275 data
->n_queues
+= pCreateInfo
->pQueueCreateInfos
[i
].queueCount
;
276 data
->queues
= ralloc_array(data
, struct queue_data
*, data
->n_queues
);
278 struct instance_data
*instance_data
= data
->instance
;
279 uint32_t n_family_props
;
280 instance_data
->vtable
.GetPhysicalDeviceQueueFamilyProperties(data
->physical_device
,
283 VkQueueFamilyProperties
*family_props
=
284 (VkQueueFamilyProperties
*)malloc(sizeof(VkQueueFamilyProperties
) * n_family_props
);
285 instance_data
->vtable
.GetPhysicalDeviceQueueFamilyProperties(data
->physical_device
,
289 uint32_t queue_index
= 0;
290 for (uint32_t i
= 0; i
< pCreateInfo
->queueCreateInfoCount
; i
++) {
291 for (uint32_t j
= 0; j
< pCreateInfo
->pQueueCreateInfos
[i
].queueCount
; j
++) {
293 data
->vtable
.GetDeviceQueue(data
->device
,
294 pCreateInfo
->pQueueCreateInfos
[i
].queueFamilyIndex
,
296 data
->queues
[queue_index
++] =
297 new_queue_data(queue
, &family_props
[pCreateInfo
->pQueueCreateInfos
[i
].queueFamilyIndex
],
298 pCreateInfo
->pQueueCreateInfos
[i
].queueFamilyIndex
, data
);
305 static void device_unmap_queues(struct device_data
*data
)
307 for (uint32_t i
= 0; i
< data
->n_queues
; i
++)
308 unmap_object(data
->queues
[i
]->queue
);
311 static void destroy_device_data(struct device_data
*data
)
313 unmap_object(data
->device
);
317 static void check_vk_result(VkResult err
)
319 if (err
!= VK_SUCCESS
)
324 static struct swapchain_data
*new_swapchain_data(VkSwapchainKHR swapchain
,
325 struct device_data
*device_data
)
327 struct swapchain_data
*data
= rzalloc(NULL
, struct swapchain_data
);
328 data
->device
= device_data
;
329 data
->swapchain
= swapchain
;
330 data
->window_size
= ImVec2(300, 300);
331 map_object((void *) data
->swapchain
, data
);
335 static void destroy_swapchain_data(struct swapchain_data
*data
)
337 unmap_object((void *) data
->swapchain
);
341 static void snapshot_swapchain_frame(struct swapchain_data
*data
)
343 struct instance_data
*instance_data
= data
->device
->instance
;
344 uint64_t now
= os_time_get(); /* us */
346 if (data
->last_present_time
) {
347 data
->frame_times
[(data
->n_frames
- 1) % ARRAY_SIZE(data
->frame_times
)] =
348 ((double)now
- (double)data
->last_present_time
) / 1000.0;
351 if (data
->last_fps_update
) {
352 double elapsed
= (double)(now
- data
->last_fps_update
); /* us */
353 if (elapsed
>= instance_data
->params
.fps_sampling_period
) {
354 data
->fps
= 1000000.0f
* data
->n_frames_since_update
/ elapsed
;
355 data
->n_frames_since_update
= 0;
356 data
->last_fps_update
= now
;
357 if (instance_data
->params
.output_file
) {
358 fprintf(instance_data
->params
.output_file
, "%.2f\n", data
->fps
);
359 fflush(instance_data
->params
.output_file
);
363 data
->last_fps_update
= now
;
366 struct device_data
*device_data
= data
->device
;
367 data
->stats
[data
->n_frames
% ARRAY_SIZE(data
->frame_times
)] = device_data
->stats
;
368 memset(&device_data
->stats
, 0, sizeof(device_data
->stats
));
370 data
->last_present_time
= now
;
372 data
->n_frames_since_update
++;
375 static float get_frame_timing(void *_data
, int _idx
)
377 struct swapchain_data
*data
= (struct swapchain_data
*) _data
;
378 if ((ARRAY_SIZE(data
->frame_times
) - _idx
) > (data
->n_frames
- 2))
380 int idx
= ARRAY_SIZE(data
->frame_times
) +
381 (data
->n_frames
- 2) < ARRAY_SIZE(data
->frame_times
) ?
382 _idx
- (data
->n_frames
- 2) :
383 _idx
+ (data
->n_frames
- 2);
384 idx
%= ARRAY_SIZE(data
->frame_times
);
385 return data
->frame_times
[idx
];
388 static float get_acquire_timing(void *_data
, int _idx
)
390 struct swapchain_data
*data
= (struct swapchain_data
*) _data
;
391 if ((ARRAY_SIZE(data
->acquire_times
) - _idx
) > data
->n_acquire
)
393 int idx
= ARRAY_SIZE(data
->acquire_times
) +
394 data
->n_acquire
< ARRAY_SIZE(data
->acquire_times
) ?
395 _idx
- data
->n_acquire
:
396 _idx
+ data
->n_acquire
;
397 idx
%= ARRAY_SIZE(data
->acquire_times
);
398 return data
->acquire_times
[idx
];
401 static float get_stat(void *_data
, int _idx
)
403 struct swapchain_data
*data
= (struct swapchain_data
*) _data
;
404 if ((ARRAY_SIZE(data
->stats
) - _idx
) > data
->n_frames
)
406 int idx
= ARRAY_SIZE(data
->stats
) +
407 data
->n_frames
< ARRAY_SIZE(data
->stats
) ?
408 _idx
- data
->n_frames
:
409 _idx
+ data
->n_frames
;
410 idx
%= ARRAY_SIZE(data
->stats
);
411 return data
->stats
[idx
].stats
[data
->stat_selector
];
414 static void position_layer(struct swapchain_data
*data
)
417 struct device_data
*device_data
= data
->device
;
418 struct instance_data
*instance_data
= device_data
->instance
;
420 ImGui::SetNextWindowBgAlpha(0.5);
421 ImGui::SetNextWindowSize(data
->window_size
, ImGuiCond_Always
);
422 switch (instance_data
->params
.position
) {
423 case LAYER_POSITION_TOP_LEFT
:
424 ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always
);
426 case LAYER_POSITION_TOP_RIGHT
:
427 ImGui::SetNextWindowPos(ImVec2(data
->width
- data
->window_size
.x
, 0),
430 case LAYER_POSITION_BOTTOM_LEFT
:
431 ImGui::SetNextWindowPos(ImVec2(0, data
->height
- data
->window_size
.y
),
434 case LAYER_POSITION_BOTTOM_RIGHT
:
435 ImGui::SetNextWindowPos(ImVec2(data
->width
- data
->window_size
.x
,
436 data
->height
- data
->window_size
.y
),
442 static void compute_swapchain_display(struct swapchain_data
*data
)
444 struct device_data
*device_data
= data
->device
;
445 struct instance_data
*instance_data
= device_data
->instance
;
447 ImGui::SetCurrentContext(data
->imgui_context
);
449 position_layer(data
);
450 ImGui::Begin("Mesa overlay");
451 ImGui::Text("Device: %s", device_data
->properties
.deviceName
);
453 const char *format_name
= vk_Format_to_str(data
->format
);
454 format_name
= format_name
? (format_name
+ strlen("VK_FORMAT_")) : "unknown";
455 ImGui::Text("Swapchain format: %s", format_name
);
456 ImGui::Text("Frames: %" PRIu64
, data
->n_frames
);
457 if (instance_data
->params
.enabled
[OVERLAY_PARAM_ENABLED_fps
])
458 ImGui::Text("FPS: %.2f" , data
->fps
);
460 if (instance_data
->params
.enabled
[OVERLAY_PARAM_ENABLED_frame_timing
]){
461 double min_time
= FLT_MAX
, max_time
= 0.0f
;
462 for (uint32_t i
= 0; i
< MIN2(data
->n_frames
- 2, ARRAY_SIZE(data
->frame_times
)); i
++) {
463 min_time
= MIN2(min_time
, data
->frame_times
[i
]);
464 max_time
= MAX2(max_time
, data
->frame_times
[i
]);
466 ImGui::PlotHistogram("##Frame timings", get_frame_timing
, data
,
467 ARRAY_SIZE(data
->frame_times
), 0,
468 NULL
, min_time
, max_time
,
469 ImVec2(ImGui::GetContentRegionAvailWidth(), 30));
470 ImGui::Text("Frame timing: %.3fms [%.3f, %.3f]",
471 get_frame_timing(data
, ARRAY_SIZE(data
->frame_times
) - 1),
475 if (instance_data
->params
.enabled
[OVERLAY_PARAM_ENABLED_acquire_timing
]) {
476 double min_time
= FLT_MAX
, max_time
= 0.0f
;
477 for (uint32_t i
= 0; i
< MIN2(data
->n_acquire
- 2, ARRAY_SIZE(data
->acquire_times
)); i
++) {
478 min_time
= MIN2(min_time
, data
->acquire_times
[i
]);
479 max_time
= MAX2(max_time
, data
->acquire_times
[i
]);
481 ImGui::PlotHistogram("##Acquire timings", get_acquire_timing
, data
,
482 ARRAY_SIZE(data
->acquire_times
), 0,
483 NULL
, min_time
, max_time
,
484 ImVec2(ImGui::GetContentRegionAvailWidth(), 30));
485 ImGui::Text("Acquire timing: %.3fms [%.3f, %.3f]",
486 get_acquire_timing(data
, ARRAY_SIZE(data
->acquire_times
) - 1),
490 for (uint32_t i
= 0; i
< ARRAY_SIZE(data
->stats_min
.stats
); i
++) {
491 data
->stats_min
.stats
[i
] = UINT32_MAX
;
492 data
->stats_max
.stats
[i
] = 0;
494 for (uint32_t i
= 0; i
< MIN2(data
->n_frames
- 1, ARRAY_SIZE(data
->stats
)); i
++) {
495 for (uint32_t j
= 0; j
< ARRAY_SIZE(data
->stats
[0].stats
); j
++) {
496 data
->stats_min
.stats
[j
] = MIN2(data
->stats
[i
].stats
[j
],
497 data
->stats_min
.stats
[j
]);
498 data
->stats_max
.stats
[j
] = MAX2(data
->stats
[i
].stats
[j
],
499 data
->stats_max
.stats
[j
]);
503 for (uint32_t i
= 0; i
< ARRAY_SIZE(device_data
->stats
.stats
); i
++) {
504 if (!instance_data
->params
.enabled
[i
] ||
505 i
== OVERLAY_PARAM_ENABLED_fps
||
506 i
== OVERLAY_PARAM_ENABLED_frame_timing
||
507 i
== OVERLAY_PARAM_ENABLED_acquire_timing
)
511 snprintf(hash
, sizeof(hash
), "##%s", overlay_param_names
[i
]);
512 data
->stat_selector
= (enum overlay_param_enabled
) i
;
514 ImGui::PlotHistogram(hash
, get_stat
, data
,
515 ARRAY_SIZE(data
->stats
), 0,
517 data
->stats_min
.stats
[i
],
518 data
->stats_max
.stats
[i
],
519 ImVec2(ImGui::GetContentRegionAvailWidth(), 30));
520 ImGui::Text("%s: %.0f [%u, %u]", overlay_param_names
[i
],
521 get_stat(data
, ARRAY_SIZE(data
->stats
) - 1),
522 data
->stats_min
.stats
[i
], data
->stats_max
.stats
[i
]);
524 data
->window_size
= ImVec2(data
->window_size
.x
, ImGui::GetCursorPosY() + 10.0f
);
530 static uint32_t vk_memory_type(struct device_data
*data
,
531 VkMemoryPropertyFlags properties
,
534 VkPhysicalDeviceMemoryProperties prop
;
535 data
->instance
->vtable
.GetPhysicalDeviceMemoryProperties(data
->physical_device
, &prop
);
536 for (uint32_t i
= 0; i
< prop
.memoryTypeCount
; i
++)
537 if ((prop
.memoryTypes
[i
].propertyFlags
& properties
) == properties
&& type_bits
& (1<<i
))
539 return 0xFFFFFFFF; // Unable to find memoryType
542 static void ensure_swapchain_fonts(struct swapchain_data
*data
,
543 VkCommandBuffer command_buffer
)
545 if (data
->font_uploaded
)
548 data
->font_uploaded
= true;
550 struct device_data
*device_data
= data
->device
;
552 ImGuiIO
& io
= ImGui::GetIO();
553 unsigned char* pixels
;
555 io
.Fonts
->GetTexDataAsRGBA32(&pixels
, &width
, &height
);
556 size_t upload_size
= width
* height
* 4 * sizeof(char);
559 VkBufferCreateInfo buffer_info
= {};
560 buffer_info
.sType
= VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO
;
561 buffer_info
.size
= upload_size
;
562 buffer_info
.usage
= VK_BUFFER_USAGE_TRANSFER_SRC_BIT
;
563 buffer_info
.sharingMode
= VK_SHARING_MODE_EXCLUSIVE
;
564 err
= device_data
->vtable
.CreateBuffer(device_data
->device
, &buffer_info
,
565 NULL
, &data
->upload_font_buffer
);
566 check_vk_result(err
);
567 VkMemoryRequirements upload_buffer_req
;
568 device_data
->vtable
.GetBufferMemoryRequirements(device_data
->device
,
569 data
->upload_font_buffer
,
571 VkMemoryAllocateInfo upload_alloc_info
= {};
572 upload_alloc_info
.sType
= VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO
;
573 upload_alloc_info
.allocationSize
= upload_buffer_req
.size
;
574 upload_alloc_info
.memoryTypeIndex
= vk_memory_type(device_data
,
575 VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT
,
576 upload_buffer_req
.memoryTypeBits
);
577 err
= device_data
->vtable
.AllocateMemory(device_data
->device
,
580 &data
->upload_font_buffer_mem
);
581 check_vk_result(err
);
582 err
= device_data
->vtable
.BindBufferMemory(device_data
->device
,
583 data
->upload_font_buffer
,
584 data
->upload_font_buffer_mem
, 0);
585 check_vk_result(err
);
587 /* Upload to Buffer */
589 err
= device_data
->vtable
.MapMemory(device_data
->device
,
590 data
->upload_font_buffer_mem
,
591 0, upload_size
, 0, (void**)(&map
));
592 check_vk_result(err
);
593 memcpy(map
, pixels
, upload_size
);
594 VkMappedMemoryRange range
[1] = {};
595 range
[0].sType
= VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE
;
596 range
[0].memory
= data
->upload_font_buffer_mem
;
597 range
[0].size
= upload_size
;
598 err
= device_data
->vtable
.FlushMappedMemoryRanges(device_data
->device
, 1, range
);
599 check_vk_result(err
);
600 device_data
->vtable
.UnmapMemory(device_data
->device
,
601 data
->upload_font_buffer_mem
);
603 /* Copy buffer to image */
604 VkImageMemoryBarrier copy_barrier
[1] = {};
605 copy_barrier
[0].sType
= VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER
;
606 copy_barrier
[0].dstAccessMask
= VK_ACCESS_TRANSFER_WRITE_BIT
;
607 copy_barrier
[0].oldLayout
= VK_IMAGE_LAYOUT_UNDEFINED
;
608 copy_barrier
[0].newLayout
= VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
;
609 copy_barrier
[0].srcQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
610 copy_barrier
[0].dstQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
611 copy_barrier
[0].image
= data
->font_image
;
612 copy_barrier
[0].subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
613 copy_barrier
[0].subresourceRange
.levelCount
= 1;
614 copy_barrier
[0].subresourceRange
.layerCount
= 1;
615 device_data
->vtable
.CmdPipelineBarrier(command_buffer
,
616 VK_PIPELINE_STAGE_HOST_BIT
,
617 VK_PIPELINE_STAGE_TRANSFER_BIT
,
621 VkBufferImageCopy region
= {};
622 region
.imageSubresource
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
623 region
.imageSubresource
.layerCount
= 1;
624 region
.imageExtent
.width
= width
;
625 region
.imageExtent
.height
= height
;
626 region
.imageExtent
.depth
= 1;
627 device_data
->vtable
.CmdCopyBufferToImage(command_buffer
,
628 data
->upload_font_buffer
,
630 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
,
633 VkImageMemoryBarrier use_barrier
[1] = {};
634 use_barrier
[0].sType
= VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER
;
635 use_barrier
[0].srcAccessMask
= VK_ACCESS_TRANSFER_WRITE_BIT
;
636 use_barrier
[0].dstAccessMask
= VK_ACCESS_SHADER_READ_BIT
;
637 use_barrier
[0].oldLayout
= VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
;
638 use_barrier
[0].newLayout
= VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
;
639 use_barrier
[0].srcQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
640 use_barrier
[0].dstQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
641 use_barrier
[0].image
= data
->font_image
;
642 use_barrier
[0].subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
643 use_barrier
[0].subresourceRange
.levelCount
= 1;
644 use_barrier
[0].subresourceRange
.layerCount
= 1;
645 device_data
->vtable
.CmdPipelineBarrier(command_buffer
,
646 VK_PIPELINE_STAGE_TRANSFER_BIT
,
647 VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT
,
653 /* Store our identifier */
654 io
.Fonts
->TexID
= (ImTextureID
)(intptr_t)data
->font_image
;
657 static void CreateOrResizeBuffer(struct device_data
*data
,
659 VkDeviceMemory
*buffer_memory
,
660 VkDeviceSize
*buffer_size
,
661 size_t new_size
, VkBufferUsageFlagBits usage
)
664 if (*buffer
!= VK_NULL_HANDLE
)
665 data
->vtable
.DestroyBuffer(data
->device
, *buffer
, NULL
);
667 data
->vtable
.FreeMemory(data
->device
, *buffer_memory
, NULL
);
669 VkBufferCreateInfo buffer_info
= {};
670 buffer_info
.sType
= VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO
;
671 buffer_info
.size
= new_size
;
672 buffer_info
.usage
= usage
;
673 buffer_info
.sharingMode
= VK_SHARING_MODE_EXCLUSIVE
;
674 err
= data
->vtable
.CreateBuffer(data
->device
, &buffer_info
, NULL
, buffer
);
675 check_vk_result(err
);
677 VkMemoryRequirements req
;
678 data
->vtable
.GetBufferMemoryRequirements(data
->device
, *buffer
, &req
);
679 VkMemoryAllocateInfo alloc_info
= {};
680 alloc_info
.sType
= VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO
;
681 alloc_info
.allocationSize
= req
.size
;
682 alloc_info
.memoryTypeIndex
=
683 vk_memory_type(data
, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT
, req
.memoryTypeBits
);
684 err
= data
->vtable
.AllocateMemory(data
->device
, &alloc_info
, NULL
, buffer_memory
);
685 check_vk_result(err
);
687 err
= data
->vtable
.BindBufferMemory(data
->device
, *buffer
, *buffer_memory
, 0);
688 check_vk_result(err
);
689 *buffer_size
= new_size
;
692 static void render_swapchain_display(struct swapchain_data
*data
, unsigned image_index
)
694 ImDrawData
* draw_data
= ImGui::GetDrawData();
695 if (draw_data
->TotalVtxCount
== 0)
698 struct device_data
*device_data
= data
->device
;
699 uint32_t idx
= data
->n_frames
% ARRAY_SIZE(data
->frame_data
);
700 VkCommandBuffer command_buffer
= data
->frame_data
[idx
].command_buffer
;
703 device_data
->vtable
.ResetCommandBuffer(command_buffer
, 0);
705 VkRenderPassBeginInfo render_pass_info
= {};
706 render_pass_info
.sType
= VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO
;
707 render_pass_info
.renderPass
= data
->render_pass
;
708 render_pass_info
.framebuffer
= data
->framebuffers
[image_index
];
709 render_pass_info
.renderArea
.extent
.width
= data
->width
;
710 render_pass_info
.renderArea
.extent
.height
= data
->height
;
712 VkCommandBufferBeginInfo buffer_begin_info
= {};
713 buffer_begin_info
.sType
= VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO
;
715 device_data
->vtable
.BeginCommandBuffer(command_buffer
, &buffer_begin_info
);
717 ensure_swapchain_fonts(data
, command_buffer
);
719 /* Bounce the image to display back to color attachment layout for
720 * rendering on top of it.
722 VkImageMemoryBarrier imb
;
723 imb
.sType
= VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER
;
725 imb
.dstAccessMask
= VK_ACCESS_MEMORY_READ_BIT
;
726 imb
.srcAccessMask
= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT
;
727 imb
.oldLayout
= VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
;
728 imb
.newLayout
= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
;
729 imb
.image
= data
->images
[image_index
];
730 imb
.subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
731 imb
.subresourceRange
.baseMipLevel
= 0;
732 imb
.subresourceRange
.levelCount
= 1;
733 imb
.subresourceRange
.baseArrayLayer
= 0;
734 imb
.subresourceRange
.layerCount
= 1;
735 imb
.srcQueueFamilyIndex
= device_data
->graphic_queue
->family_index
;
736 imb
.dstQueueFamilyIndex
= device_data
->graphic_queue
->family_index
;
737 device_data
->vtable
.CmdPipelineBarrier(command_buffer
,
738 VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT
,
739 VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT
,
740 0, /* dependency flags */
741 0, nullptr, /* memory barriers */
742 0, nullptr, /* buffer memory barriers */
743 1, &imb
); /* image memory barriers */
745 device_data
->vtable
.CmdBeginRenderPass(command_buffer
, &render_pass_info
,
746 VK_SUBPASS_CONTENTS_INLINE
);
748 /* Create/Resize vertex & index buffers */
749 size_t vertex_size
= draw_data
->TotalVtxCount
* sizeof(ImDrawVert
);
750 size_t index_size
= draw_data
->TotalIdxCount
* sizeof(ImDrawIdx
);
751 if (data
->frame_data
[idx
].vertex_buffer_size
< vertex_size
) {
752 CreateOrResizeBuffer(device_data
,
753 &data
->frame_data
[idx
].vertex_buffer
,
754 &data
->frame_data
[idx
].vertex_buffer_mem
,
755 &data
->frame_data
[idx
].vertex_buffer_size
,
756 vertex_size
, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT
);
758 if (data
->frame_data
[idx
].index_buffer_size
< index_size
) {
759 CreateOrResizeBuffer(device_data
,
760 &data
->frame_data
[idx
].index_buffer
,
761 &data
->frame_data
[idx
].index_buffer_mem
,
762 &data
->frame_data
[idx
].index_buffer_size
,
763 index_size
, VK_BUFFER_USAGE_INDEX_BUFFER_BIT
);
766 /* Upload vertex & index data */
767 VkBuffer vertex_buffer
= data
->frame_data
[idx
].vertex_buffer
;
768 VkDeviceMemory vertex_mem
= data
->frame_data
[idx
].vertex_buffer_mem
;
769 VkBuffer index_buffer
= data
->frame_data
[idx
].index_buffer
;
770 VkDeviceMemory index_mem
= data
->frame_data
[idx
].index_buffer_mem
;
771 ImDrawVert
* vtx_dst
= NULL
;
772 ImDrawIdx
* idx_dst
= NULL
;
773 err
= device_data
->vtable
.MapMemory(device_data
->device
, vertex_mem
,
774 0, vertex_size
, 0, (void**)(&vtx_dst
));
775 check_vk_result(err
);
776 err
= device_data
->vtable
.MapMemory(device_data
->device
, index_mem
,
777 0, index_size
, 0, (void**)(&idx_dst
));
778 check_vk_result(err
);
779 for (int n
= 0; n
< draw_data
->CmdListsCount
; n
++)
781 const ImDrawList
* cmd_list
= draw_data
->CmdLists
[n
];
782 memcpy(vtx_dst
, cmd_list
->VtxBuffer
.Data
, cmd_list
->VtxBuffer
.Size
* sizeof(ImDrawVert
));
783 memcpy(idx_dst
, cmd_list
->IdxBuffer
.Data
, cmd_list
->IdxBuffer
.Size
* sizeof(ImDrawIdx
));
784 vtx_dst
+= cmd_list
->VtxBuffer
.Size
;
785 idx_dst
+= cmd_list
->IdxBuffer
.Size
;
787 VkMappedMemoryRange range
[2] = {};
788 range
[0].sType
= VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE
;
789 range
[0].memory
= vertex_mem
;
790 range
[0].size
= VK_WHOLE_SIZE
;
791 range
[1].sType
= VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE
;
792 range
[1].memory
= index_mem
;
793 range
[1].size
= VK_WHOLE_SIZE
;
794 err
= device_data
->vtable
.FlushMappedMemoryRanges(device_data
->device
, 2, range
);
795 check_vk_result(err
);
796 device_data
->vtable
.UnmapMemory(device_data
->device
, vertex_mem
);
797 device_data
->vtable
.UnmapMemory(device_data
->device
, index_mem
);
799 /* Bind pipeline and descriptor sets */
800 device_data
->vtable
.CmdBindPipeline(command_buffer
, VK_PIPELINE_BIND_POINT_GRAPHICS
, data
->pipeline
);
801 VkDescriptorSet desc_set
[1] = { data
->descriptor_set
};
802 device_data
->vtable
.CmdBindDescriptorSets(command_buffer
, VK_PIPELINE_BIND_POINT_GRAPHICS
,
803 data
->pipeline_layout
, 0, 1, desc_set
, 0, NULL
);
805 /* Bind vertex & index buffers */
806 VkBuffer vertex_buffers
[1] = { vertex_buffer
};
807 VkDeviceSize vertex_offset
[1] = { 0 };
808 device_data
->vtable
.CmdBindVertexBuffers(command_buffer
, 0, 1, vertex_buffers
, vertex_offset
);
809 device_data
->vtable
.CmdBindIndexBuffer(command_buffer
, index_buffer
, 0, VK_INDEX_TYPE_UINT16
);
815 viewport
.width
= draw_data
->DisplaySize
.x
;
816 viewport
.height
= draw_data
->DisplaySize
.y
;
817 viewport
.minDepth
= 0.0f
;
818 viewport
.maxDepth
= 1.0f
;
819 device_data
->vtable
.CmdSetViewport(command_buffer
, 0, 1, &viewport
);
822 /* Setup scale and translation through push constants :
824 * Our visible imgui space lies from draw_data->DisplayPos (top left) to
825 * draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin
826 * is typically (0,0) for single viewport apps.
829 scale
[0] = 2.0f
/ draw_data
->DisplaySize
.x
;
830 scale
[1] = 2.0f
/ draw_data
->DisplaySize
.y
;
832 translate
[0] = -1.0f
- draw_data
->DisplayPos
.x
* scale
[0];
833 translate
[1] = -1.0f
- draw_data
->DisplayPos
.y
* scale
[1];
834 device_data
->vtable
.CmdPushConstants(command_buffer
, data
->pipeline_layout
,
835 VK_SHADER_STAGE_VERTEX_BIT
,
836 sizeof(float) * 0, sizeof(float) * 2, scale
);
837 device_data
->vtable
.CmdPushConstants(command_buffer
, data
->pipeline_layout
,
838 VK_SHADER_STAGE_VERTEX_BIT
,
839 sizeof(float) * 2, sizeof(float) * 2, translate
);
841 // Render the command lists:
844 ImVec2 display_pos
= draw_data
->DisplayPos
;
845 for (int n
= 0; n
< draw_data
->CmdListsCount
; n
++)
847 const ImDrawList
* cmd_list
= draw_data
->CmdLists
[n
];
848 for (int cmd_i
= 0; cmd_i
< cmd_list
->CmdBuffer
.Size
; cmd_i
++)
850 const ImDrawCmd
* pcmd
= &cmd_list
->CmdBuffer
[cmd_i
];
851 // Apply scissor/clipping rectangle
852 // FIXME: We could clamp width/height based on clamped min/max values.
854 scissor
.offset
.x
= (int32_t)(pcmd
->ClipRect
.x
- display_pos
.x
) > 0 ? (int32_t)(pcmd
->ClipRect
.x
- display_pos
.x
) : 0;
855 scissor
.offset
.y
= (int32_t)(pcmd
->ClipRect
.y
- display_pos
.y
) > 0 ? (int32_t)(pcmd
->ClipRect
.y
- display_pos
.y
) : 0;
856 scissor
.extent
.width
= (uint32_t)(pcmd
->ClipRect
.z
- pcmd
->ClipRect
.x
);
857 scissor
.extent
.height
= (uint32_t)(pcmd
->ClipRect
.w
- pcmd
->ClipRect
.y
+ 1); // FIXME: Why +1 here?
858 device_data
->vtable
.CmdSetScissor(command_buffer
, 0, 1, &scissor
);
861 device_data
->vtable
.CmdDrawIndexed(command_buffer
, pcmd
->ElemCount
, 1, idx_offset
, vtx_offset
, 0);
863 idx_offset
+= pcmd
->ElemCount
;
865 vtx_offset
+= cmd_list
->VtxBuffer
.Size
;
868 device_data
->vtable
.CmdEndRenderPass(command_buffer
);
869 device_data
->vtable
.EndCommandBuffer(command_buffer
);
871 if (data
->submission_semaphore
) {
872 device_data
->vtable
.DestroySemaphore(device_data
->device
,
873 data
->submission_semaphore
,
876 /* Submission semaphore */
877 VkSemaphoreCreateInfo semaphore_info
= {};
878 semaphore_info
.sType
= VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO
;
879 err
= device_data
->vtable
.CreateSemaphore(device_data
->device
, &semaphore_info
,
880 NULL
, &data
->submission_semaphore
);
881 check_vk_result(err
);
883 VkSubmitInfo submit_info
= {};
884 submit_info
.sType
= VK_STRUCTURE_TYPE_SUBMIT_INFO
;
885 submit_info
.commandBufferCount
= 1;
886 submit_info
.pCommandBuffers
= &command_buffer
;
887 submit_info
.signalSemaphoreCount
= 1;
888 submit_info
.pSignalSemaphores
= &data
->submission_semaphore
;
890 device_data
->vtable
.WaitForFences(device_data
->device
, 1, &data
->fence
, VK_TRUE
, UINT64_MAX
);
891 device_data
->vtable
.ResetFences(device_data
->device
, 1, &data
->fence
);
892 device_data
->vtable
.QueueSubmit(device_data
->graphic_queue
->queue
, 1, &submit_info
, data
->fence
);
895 static const uint32_t overlay_vert_spv
[] = {
896 #include "overlay.vert.spv.h"
898 static const uint32_t overlay_frag_spv
[] = {
899 #include "overlay.frag.spv.h"
902 static void setup_swapchain_data_pipeline(struct swapchain_data
*data
)
904 struct device_data
*device_data
= data
->device
;
905 VkShaderModule vert_module
, frag_module
;
908 /* Create shader modules */
909 VkShaderModuleCreateInfo vert_info
= {};
910 vert_info
.sType
= VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO
;
911 vert_info
.codeSize
= sizeof(overlay_vert_spv
);
912 vert_info
.pCode
= overlay_vert_spv
;
913 err
= device_data
->vtable
.CreateShaderModule(device_data
->device
,
914 &vert_info
, NULL
, &vert_module
);
915 check_vk_result(err
);
916 VkShaderModuleCreateInfo frag_info
= {};
917 frag_info
.sType
= VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO
;
918 frag_info
.codeSize
= sizeof(overlay_frag_spv
);
919 frag_info
.pCode
= (uint32_t*)overlay_frag_spv
;
920 err
= device_data
->vtable
.CreateShaderModule(device_data
->device
,
921 &frag_info
, NULL
, &frag_module
);
922 check_vk_result(err
);
925 VkSamplerCreateInfo sampler_info
= {};
926 sampler_info
.sType
= VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO
;
927 sampler_info
.magFilter
= VK_FILTER_LINEAR
;
928 sampler_info
.minFilter
= VK_FILTER_LINEAR
;
929 sampler_info
.mipmapMode
= VK_SAMPLER_MIPMAP_MODE_LINEAR
;
930 sampler_info
.addressModeU
= VK_SAMPLER_ADDRESS_MODE_REPEAT
;
931 sampler_info
.addressModeV
= VK_SAMPLER_ADDRESS_MODE_REPEAT
;
932 sampler_info
.addressModeW
= VK_SAMPLER_ADDRESS_MODE_REPEAT
;
933 sampler_info
.minLod
= -1000;
934 sampler_info
.maxLod
= 1000;
935 sampler_info
.maxAnisotropy
= 1.0f
;
936 err
= device_data
->vtable
.CreateSampler(device_data
->device
, &sampler_info
,
937 NULL
, &data
->font_sampler
);
938 check_vk_result(err
);
940 /* Descriptor pool */
941 VkDescriptorPoolSize sampler_pool_size
= {};
942 sampler_pool_size
.type
= VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
;
943 sampler_pool_size
.descriptorCount
= 1;
944 VkDescriptorPoolCreateInfo desc_pool_info
= {};
945 desc_pool_info
.sType
= VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO
;
946 desc_pool_info
.maxSets
= 1;
947 desc_pool_info
.poolSizeCount
= 1;
948 desc_pool_info
.pPoolSizes
= &sampler_pool_size
;
949 err
= device_data
->vtable
.CreateDescriptorPool(device_data
->device
,
951 NULL
, &data
->descriptor_pool
);
952 check_vk_result(err
);
954 /* Descriptor layout */
955 VkSampler sampler
[1] = { data
->font_sampler
};
956 VkDescriptorSetLayoutBinding binding
[1] = {};
957 binding
[0].descriptorType
= VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
;
958 binding
[0].descriptorCount
= 1;
959 binding
[0].stageFlags
= VK_SHADER_STAGE_FRAGMENT_BIT
;
960 binding
[0].pImmutableSamplers
= sampler
;
961 VkDescriptorSetLayoutCreateInfo set_layout_info
= {};
962 set_layout_info
.sType
= VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO
;
963 set_layout_info
.bindingCount
= 1;
964 set_layout_info
.pBindings
= binding
;
965 err
= device_data
->vtable
.CreateDescriptorSetLayout(device_data
->device
,
967 NULL
, &data
->descriptor_layout
);
968 check_vk_result(err
);
971 VkDescriptorSetAllocateInfo alloc_info
= {};
972 alloc_info
.sType
= VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO
;
973 alloc_info
.descriptorPool
= data
->descriptor_pool
;
974 alloc_info
.descriptorSetCount
= 1;
975 alloc_info
.pSetLayouts
= &data
->descriptor_layout
;
976 err
= device_data
->vtable
.AllocateDescriptorSets(device_data
->device
,
978 &data
->descriptor_set
);
979 check_vk_result(err
);
981 /* Constants: we are using 'vec2 offset' and 'vec2 scale' instead of a full
982 * 3d projection matrix
984 VkPushConstantRange push_constants
[1] = {};
985 push_constants
[0].stageFlags
= VK_SHADER_STAGE_VERTEX_BIT
;
986 push_constants
[0].offset
= sizeof(float) * 0;
987 push_constants
[0].size
= sizeof(float) * 4;
988 VkPipelineLayoutCreateInfo layout_info
= {};
989 layout_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO
;
990 layout_info
.setLayoutCount
= 1;
991 layout_info
.pSetLayouts
= &data
->descriptor_layout
;
992 layout_info
.pushConstantRangeCount
= 1;
993 layout_info
.pPushConstantRanges
= push_constants
;
994 err
= device_data
->vtable
.CreatePipelineLayout(device_data
->device
,
996 NULL
, &data
->pipeline_layout
);
997 check_vk_result(err
);
1000 VkPipelineShaderStageCreateInfo stage
[2] = {};
1001 stage
[0].sType
= VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO
;
1002 stage
[0].stage
= VK_SHADER_STAGE_VERTEX_BIT
;
1003 stage
[0].module
= vert_module
;
1004 stage
[0].pName
= "main";
1005 stage
[1].sType
= VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO
;
1006 stage
[1].stage
= VK_SHADER_STAGE_FRAGMENT_BIT
;
1007 stage
[1].module
= frag_module
;
1008 stage
[1].pName
= "main";
1010 VkVertexInputBindingDescription binding_desc
[1] = {};
1011 binding_desc
[0].stride
= sizeof(ImDrawVert
);
1012 binding_desc
[0].inputRate
= VK_VERTEX_INPUT_RATE_VERTEX
;
1014 VkVertexInputAttributeDescription attribute_desc
[3] = {};
1015 attribute_desc
[0].location
= 0;
1016 attribute_desc
[0].binding
= binding_desc
[0].binding
;
1017 attribute_desc
[0].format
= VK_FORMAT_R32G32_SFLOAT
;
1018 attribute_desc
[0].offset
= IM_OFFSETOF(ImDrawVert
, pos
);
1019 attribute_desc
[1].location
= 1;
1020 attribute_desc
[1].binding
= binding_desc
[0].binding
;
1021 attribute_desc
[1].format
= VK_FORMAT_R32G32_SFLOAT
;
1022 attribute_desc
[1].offset
= IM_OFFSETOF(ImDrawVert
, uv
);
1023 attribute_desc
[2].location
= 2;
1024 attribute_desc
[2].binding
= binding_desc
[0].binding
;
1025 attribute_desc
[2].format
= VK_FORMAT_R8G8B8A8_UNORM
;
1026 attribute_desc
[2].offset
= IM_OFFSETOF(ImDrawVert
, col
);
1028 VkPipelineVertexInputStateCreateInfo vertex_info
= {};
1029 vertex_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO
;
1030 vertex_info
.vertexBindingDescriptionCount
= 1;
1031 vertex_info
.pVertexBindingDescriptions
= binding_desc
;
1032 vertex_info
.vertexAttributeDescriptionCount
= 3;
1033 vertex_info
.pVertexAttributeDescriptions
= attribute_desc
;
1035 VkPipelineInputAssemblyStateCreateInfo ia_info
= {};
1036 ia_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO
;
1037 ia_info
.topology
= VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST
;
1039 VkPipelineViewportStateCreateInfo viewport_info
= {};
1040 viewport_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO
;
1041 viewport_info
.viewportCount
= 1;
1042 viewport_info
.scissorCount
= 1;
1044 VkPipelineRasterizationStateCreateInfo raster_info
= {};
1045 raster_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO
;
1046 raster_info
.polygonMode
= VK_POLYGON_MODE_FILL
;
1047 raster_info
.cullMode
= VK_CULL_MODE_NONE
;
1048 raster_info
.frontFace
= VK_FRONT_FACE_COUNTER_CLOCKWISE
;
1049 raster_info
.lineWidth
= 1.0f
;
1051 VkPipelineMultisampleStateCreateInfo ms_info
= {};
1052 ms_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO
;
1053 ms_info
.rasterizationSamples
= VK_SAMPLE_COUNT_1_BIT
;
1055 VkPipelineColorBlendAttachmentState color_attachment
[1] = {};
1056 color_attachment
[0].blendEnable
= VK_TRUE
;
1057 color_attachment
[0].srcColorBlendFactor
= VK_BLEND_FACTOR_SRC_ALPHA
;
1058 color_attachment
[0].dstColorBlendFactor
= VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA
;
1059 color_attachment
[0].colorBlendOp
= VK_BLEND_OP_ADD
;
1060 color_attachment
[0].srcAlphaBlendFactor
= VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA
;
1061 color_attachment
[0].dstAlphaBlendFactor
= VK_BLEND_FACTOR_ZERO
;
1062 color_attachment
[0].alphaBlendOp
= VK_BLEND_OP_ADD
;
1063 color_attachment
[0].colorWriteMask
= VK_COLOR_COMPONENT_R_BIT
|
1064 VK_COLOR_COMPONENT_G_BIT
| VK_COLOR_COMPONENT_B_BIT
| VK_COLOR_COMPONENT_A_BIT
;
1066 VkPipelineDepthStencilStateCreateInfo depth_info
= {};
1067 depth_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO
;
1069 VkPipelineColorBlendStateCreateInfo blend_info
= {};
1070 blend_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO
;
1071 blend_info
.attachmentCount
= 1;
1072 blend_info
.pAttachments
= color_attachment
;
1074 VkDynamicState dynamic_states
[2] = { VK_DYNAMIC_STATE_VIEWPORT
, VK_DYNAMIC_STATE_SCISSOR
};
1075 VkPipelineDynamicStateCreateInfo dynamic_state
= {};
1076 dynamic_state
.sType
= VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO
;
1077 dynamic_state
.dynamicStateCount
= (uint32_t)IM_ARRAYSIZE(dynamic_states
);
1078 dynamic_state
.pDynamicStates
= dynamic_states
;
1080 VkGraphicsPipelineCreateInfo info
= {};
1081 info
.sType
= VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO
;
1083 info
.stageCount
= 2;
1084 info
.pStages
= stage
;
1085 info
.pVertexInputState
= &vertex_info
;
1086 info
.pInputAssemblyState
= &ia_info
;
1087 info
.pViewportState
= &viewport_info
;
1088 info
.pRasterizationState
= &raster_info
;
1089 info
.pMultisampleState
= &ms_info
;
1090 info
.pDepthStencilState
= &depth_info
;
1091 info
.pColorBlendState
= &blend_info
;
1092 info
.pDynamicState
= &dynamic_state
;
1093 info
.layout
= data
->pipeline_layout
;
1094 info
.renderPass
= data
->render_pass
;
1095 err
= device_data
->vtable
.CreateGraphicsPipelines(device_data
->device
, VK_NULL_HANDLE
,
1097 NULL
, &data
->pipeline
);
1098 check_vk_result(err
);
1100 device_data
->vtable
.DestroyShaderModule(device_data
->device
, vert_module
, NULL
);
1101 device_data
->vtable
.DestroyShaderModule(device_data
->device
, frag_module
, NULL
);
1103 ImGuiIO
& io
= ImGui::GetIO();
1104 unsigned char* pixels
;
1106 io
.Fonts
->GetTexDataAsRGBA32(&pixels
, &width
, &height
);
1109 VkImageCreateInfo image_info
= {};
1110 image_info
.sType
= VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO
;
1111 image_info
.imageType
= VK_IMAGE_TYPE_2D
;
1112 image_info
.format
= VK_FORMAT_R8G8B8A8_UNORM
;
1113 image_info
.extent
.width
= width
;
1114 image_info
.extent
.height
= height
;
1115 image_info
.extent
.depth
= 1;
1116 image_info
.mipLevels
= 1;
1117 image_info
.arrayLayers
= 1;
1118 image_info
.samples
= VK_SAMPLE_COUNT_1_BIT
;
1119 image_info
.tiling
= VK_IMAGE_TILING_OPTIMAL
;
1120 image_info
.usage
= VK_IMAGE_USAGE_SAMPLED_BIT
| VK_IMAGE_USAGE_TRANSFER_DST_BIT
;
1121 image_info
.sharingMode
= VK_SHARING_MODE_EXCLUSIVE
;
1122 image_info
.initialLayout
= VK_IMAGE_LAYOUT_UNDEFINED
;
1123 err
= device_data
->vtable
.CreateImage(device_data
->device
, &image_info
,
1124 NULL
, &data
->font_image
);
1125 check_vk_result(err
);
1126 VkMemoryRequirements font_image_req
;
1127 device_data
->vtable
.GetImageMemoryRequirements(device_data
->device
,
1128 data
->font_image
, &font_image_req
);
1129 VkMemoryAllocateInfo image_alloc_info
= {};
1130 image_alloc_info
.sType
= VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO
;
1131 image_alloc_info
.allocationSize
= font_image_req
.size
;
1132 image_alloc_info
.memoryTypeIndex
= vk_memory_type(device_data
,
1133 VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT
,
1134 font_image_req
.memoryTypeBits
);
1135 err
= device_data
->vtable
.AllocateMemory(device_data
->device
, &image_alloc_info
,
1136 NULL
, &data
->font_mem
);
1137 check_vk_result(err
);
1138 err
= device_data
->vtable
.BindImageMemory(device_data
->device
,
1141 check_vk_result(err
);
1143 /* Font image view */
1144 VkImageViewCreateInfo view_info
= {};
1145 view_info
.sType
= VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO
;
1146 view_info
.image
= data
->font_image
;
1147 view_info
.viewType
= VK_IMAGE_VIEW_TYPE_2D
;
1148 view_info
.format
= VK_FORMAT_R8G8B8A8_UNORM
;
1149 view_info
.subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
1150 view_info
.subresourceRange
.levelCount
= 1;
1151 view_info
.subresourceRange
.layerCount
= 1;
1152 err
= device_data
->vtable
.CreateImageView(device_data
->device
, &view_info
,
1153 NULL
, &data
->font_image_view
);
1154 check_vk_result(err
);
1156 /* Descriptor set */
1157 VkDescriptorImageInfo desc_image
[1] = {};
1158 desc_image
[0].sampler
= data
->font_sampler
;
1159 desc_image
[0].imageView
= data
->font_image_view
;
1160 desc_image
[0].imageLayout
= VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
;
1161 VkWriteDescriptorSet write_desc
[1] = {};
1162 write_desc
[0].sType
= VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET
;
1163 write_desc
[0].dstSet
= data
->descriptor_set
;
1164 write_desc
[0].descriptorCount
= 1;
1165 write_desc
[0].descriptorType
= VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
;
1166 write_desc
[0].pImageInfo
= desc_image
;
1167 device_data
->vtable
.UpdateDescriptorSets(device_data
->device
, 1, write_desc
, 0, NULL
);
1170 static void setup_swapchain_data(struct swapchain_data
*data
,
1171 const VkSwapchainCreateInfoKHR
*pCreateInfo
)
1173 data
->width
= pCreateInfo
->imageExtent
.width
;
1174 data
->height
= pCreateInfo
->imageExtent
.height
;
1175 data
->format
= pCreateInfo
->imageFormat
;
1177 data
->imgui_context
= ImGui::CreateContext();
1178 ImGui::SetCurrentContext(data
->imgui_context
);
1180 ImGui::GetIO().IniFilename
= NULL
;
1181 ImGui::GetIO().DisplaySize
= ImVec2((float)data
->width
, (float)data
->height
);
1183 struct device_data
*device_data
= data
->device
;
1187 VkAttachmentDescription attachment_desc
= {};
1188 attachment_desc
.format
= pCreateInfo
->imageFormat
;
1189 attachment_desc
.samples
= VK_SAMPLE_COUNT_1_BIT
;
1190 attachment_desc
.loadOp
= VK_ATTACHMENT_LOAD_OP_LOAD
;
1191 attachment_desc
.storeOp
= VK_ATTACHMENT_STORE_OP_STORE
;
1192 attachment_desc
.stencilLoadOp
= VK_ATTACHMENT_LOAD_OP_DONT_CARE
;
1193 attachment_desc
.stencilStoreOp
= VK_ATTACHMENT_STORE_OP_DONT_CARE
;
1194 attachment_desc
.initialLayout
= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
;
1195 attachment_desc
.finalLayout
= VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
;
1196 VkAttachmentReference color_attachment
= {};
1197 color_attachment
.attachment
= 0;
1198 color_attachment
.layout
= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
;
1199 VkSubpassDescription subpass
= {};
1200 subpass
.pipelineBindPoint
= VK_PIPELINE_BIND_POINT_GRAPHICS
;
1201 subpass
.colorAttachmentCount
= 1;
1202 subpass
.pColorAttachments
= &color_attachment
;
1203 VkSubpassDependency dependency
= {};
1204 dependency
.srcSubpass
= VK_SUBPASS_EXTERNAL
;
1205 dependency
.dstSubpass
= 0;
1206 dependency
.srcStageMask
= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT
;
1207 dependency
.dstStageMask
= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT
;
1208 dependency
.srcAccessMask
= 0;
1209 dependency
.dstAccessMask
= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT
;
1210 VkRenderPassCreateInfo render_pass_info
= {};
1211 render_pass_info
.sType
= VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO
;
1212 render_pass_info
.attachmentCount
= 1;
1213 render_pass_info
.pAttachments
= &attachment_desc
;
1214 render_pass_info
.subpassCount
= 1;
1215 render_pass_info
.pSubpasses
= &subpass
;
1216 render_pass_info
.dependencyCount
= 1;
1217 render_pass_info
.pDependencies
= &dependency
;
1218 err
= device_data
->vtable
.CreateRenderPass(device_data
->device
,
1220 NULL
, &data
->render_pass
);
1221 check_vk_result(err
);
1223 setup_swapchain_data_pipeline(data
);
1225 device_data
->vtable
.GetSwapchainImagesKHR(device_data
->device
,
1229 data
->images
= ralloc_array(data
, VkImage
, data
->n_images
);
1230 data
->image_views
= ralloc_array(data
, VkImageView
, data
->n_images
);
1231 data
->framebuffers
= ralloc_array(data
, VkFramebuffer
, data
->n_images
);
1233 device_data
->vtable
.GetSwapchainImagesKHR(device_data
->device
,
1239 VkImageViewCreateInfo view_info
= {};
1240 view_info
.sType
= VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO
;
1241 view_info
.viewType
= VK_IMAGE_VIEW_TYPE_2D
;
1242 view_info
.format
= pCreateInfo
->imageFormat
;
1243 view_info
.components
.r
= VK_COMPONENT_SWIZZLE_R
;
1244 view_info
.components
.g
= VK_COMPONENT_SWIZZLE_G
;
1245 view_info
.components
.b
= VK_COMPONENT_SWIZZLE_B
;
1246 view_info
.components
.a
= VK_COMPONENT_SWIZZLE_A
;
1247 view_info
.subresourceRange
= { VK_IMAGE_ASPECT_COLOR_BIT
, 0, 1, 0, 1 };
1248 for (uint32_t i
= 0; i
< data
->n_images
; i
++) {
1249 view_info
.image
= data
->images
[i
];
1250 err
= device_data
->vtable
.CreateImageView(device_data
->device
, &view_info
,
1251 NULL
, &data
->image_views
[i
]);
1252 check_vk_result(err
);
1256 VkImageView attachment
[1];
1257 VkFramebufferCreateInfo fb_info
= {};
1258 fb_info
.sType
= VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO
;
1259 fb_info
.renderPass
= data
->render_pass
;
1260 fb_info
.attachmentCount
= 1;
1261 fb_info
.pAttachments
= attachment
;
1262 fb_info
.width
= data
->width
;
1263 fb_info
.height
= data
->height
;
1265 for (uint32_t i
= 0; i
< data
->n_images
; i
++) {
1266 attachment
[0] = data
->image_views
[i
];
1267 err
= device_data
->vtable
.CreateFramebuffer(device_data
->device
, &fb_info
,
1268 NULL
, &data
->framebuffers
[i
]);
1269 check_vk_result(err
);
1272 /* Command buffer */
1273 VkCommandPoolCreateInfo cmd_buffer_pool_info
= {};
1274 cmd_buffer_pool_info
.sType
= VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO
;
1275 cmd_buffer_pool_info
.flags
= VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT
;
1276 cmd_buffer_pool_info
.queueFamilyIndex
= device_data
->graphic_queue
->family_index
;
1277 err
= device_data
->vtable
.CreateCommandPool(device_data
->device
,
1278 &cmd_buffer_pool_info
,
1279 NULL
, &data
->command_pool
);
1280 check_vk_result(err
);
1282 VkCommandBuffer cmd_bufs
[ARRAY_SIZE(data
->frame_data
)];
1284 VkCommandBufferAllocateInfo cmd_buffer_info
= {};
1285 cmd_buffer_info
.sType
= VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO
;
1286 cmd_buffer_info
.commandPool
= data
->command_pool
;
1287 cmd_buffer_info
.level
= VK_COMMAND_BUFFER_LEVEL_PRIMARY
;
1288 cmd_buffer_info
.commandBufferCount
= 2;
1289 err
= device_data
->vtable
.AllocateCommandBuffers(device_data
->device
,
1292 check_vk_result(err
);
1294 for (uint32_t i
= 0; i
< ARRAY_SIZE(data
->frame_data
); i
++)
1295 data
->frame_data
[i
].command_buffer
= cmd_bufs
[i
];
1298 /* Submission fence */
1299 VkFenceCreateInfo fence_info
= {};
1300 fence_info
.sType
= VK_STRUCTURE_TYPE_FENCE_CREATE_INFO
;
1301 fence_info
.flags
= VK_FENCE_CREATE_SIGNALED_BIT
;
1302 err
= device_data
->vtable
.CreateFence(device_data
->device
, &fence_info
,
1303 NULL
, &data
->fence
);
1304 check_vk_result(err
);
1308 static void shutdown_swapchain_data(struct swapchain_data
*data
)
1310 struct device_data
*device_data
= data
->device
;
1312 for (uint32_t i
= 0; i
< data
->n_images
; i
++) {
1313 device_data
->vtable
.DestroyImageView(device_data
->device
, data
->image_views
[i
], NULL
);
1314 device_data
->vtable
.DestroyFramebuffer(device_data
->device
, data
->framebuffers
[i
], NULL
);
1317 device_data
->vtable
.DestroyRenderPass(device_data
->device
, data
->render_pass
, NULL
);
1319 for (uint32_t i
= 0; i
< ARRAY_SIZE(data
->frame_data
); i
++) {
1320 device_data
->vtable
.FreeCommandBuffers(device_data
->device
,
1322 1, &data
->frame_data
[i
].command_buffer
);
1323 if (data
->frame_data
[i
].vertex_buffer
)
1324 device_data
->vtable
.DestroyBuffer(device_data
->device
, data
->frame_data
[i
].vertex_buffer
, NULL
);
1325 if (data
->frame_data
[i
].index_buffer
)
1326 device_data
->vtable
.DestroyBuffer(device_data
->device
, data
->frame_data
[i
].index_buffer
, NULL
);
1327 if (data
->frame_data
[i
].vertex_buffer_mem
)
1328 device_data
->vtable
.FreeMemory(device_data
->device
, data
->frame_data
[i
].vertex_buffer_mem
, NULL
);
1329 if (data
->frame_data
[i
].index_buffer_mem
)
1330 device_data
->vtable
.FreeMemory(device_data
->device
, data
->frame_data
[i
].index_buffer_mem
, NULL
);
1332 device_data
->vtable
.DestroyCommandPool(device_data
->device
, data
->command_pool
, NULL
);
1334 device_data
->vtable
.DestroyFence(device_data
->device
, data
->fence
, NULL
);
1335 if (data
->submission_semaphore
)
1336 device_data
->vtable
.DestroySemaphore(device_data
->device
, data
->submission_semaphore
, NULL
);
1338 device_data
->vtable
.DestroyPipeline(device_data
->device
, data
->pipeline
, NULL
);
1339 device_data
->vtable
.DestroyPipelineLayout(device_data
->device
, data
->pipeline_layout
, NULL
);
1341 device_data
->vtable
.FreeDescriptorSets(device_data
->device
, data
->descriptor_pool
,
1342 1, &data
->descriptor_set
);
1343 device_data
->vtable
.DestroyDescriptorPool(device_data
->device
,
1344 data
->descriptor_pool
, NULL
);
1345 device_data
->vtable
.DestroyDescriptorSetLayout(device_data
->device
,
1346 data
->descriptor_layout
, NULL
);
1348 device_data
->vtable
.DestroySampler(device_data
->device
, data
->font_sampler
, NULL
);
1349 device_data
->vtable
.DestroyImageView(device_data
->device
, data
->font_image_view
, NULL
);
1350 device_data
->vtable
.DestroyImage(device_data
->device
, data
->font_image
, NULL
);
1351 device_data
->vtable
.FreeMemory(device_data
->device
, data
->font_mem
, NULL
);
1353 device_data
->vtable
.DestroyBuffer(device_data
->device
, data
->upload_font_buffer
, NULL
);
1354 device_data
->vtable
.FreeMemory(device_data
->device
, data
->upload_font_buffer_mem
, NULL
);
1356 ImGui::DestroyContext(data
->imgui_context
);
1359 static void before_present(struct swapchain_data
*swapchain_data
,
1360 unsigned imageIndex
)
1362 snapshot_swapchain_frame(swapchain_data
);
1364 compute_swapchain_display(swapchain_data
);
1365 render_swapchain_display(swapchain_data
, imageIndex
);
1368 VKAPI_ATTR VkResult VKAPI_CALL
overlay_CreateSwapchainKHR(
1370 const VkSwapchainCreateInfoKHR
* pCreateInfo
,
1371 const VkAllocationCallbacks
* pAllocator
,
1372 VkSwapchainKHR
* pSwapchain
)
1374 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1375 VkResult result
= device_data
->vtable
.CreateSwapchainKHR(device
, pCreateInfo
, pAllocator
, pSwapchain
);
1376 if (result
!= VK_SUCCESS
) return result
;
1378 struct swapchain_data
*swapchain_data
= new_swapchain_data(*pSwapchain
, device_data
);
1379 setup_swapchain_data(swapchain_data
, pCreateInfo
);
1383 VKAPI_ATTR
void VKAPI_CALL
overlay_DestroySwapchainKHR(
1385 VkSwapchainKHR swapchain
,
1386 const VkAllocationCallbacks
* pAllocator
)
1388 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(swapchain
);
1390 shutdown_swapchain_data(swapchain_data
);
1391 swapchain_data
->device
->vtable
.DestroySwapchainKHR(device
, swapchain
, pAllocator
);
1392 destroy_swapchain_data(swapchain_data
);
1395 VKAPI_ATTR VkResult VKAPI_CALL
overlay_QueuePresentKHR(
1397 const VkPresentInfoKHR
* pPresentInfo
)
1399 struct queue_data
*queue_data
= FIND_QUEUE_DATA(queue
);
1400 struct device_data
*device_data
= queue_data
->device
;
1402 /* If we present on the graphic queue this layer is using to draw an
1403 * overlay, we don't need more than submitting the overlay draw prior to
1406 if (queue_data
== device_data
->graphic_queue
) {
1407 for (uint32_t i
= 0; i
< pPresentInfo
->swapchainCount
; i
++) {
1408 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(pPresentInfo
->pSwapchains
[i
]);
1409 before_present(swapchain_data
, pPresentInfo
->pImageIndices
[i
]);
1411 return queue_data
->device
->vtable
.QueuePresentKHR(queue
, pPresentInfo
);
1414 /* Otherwise we need to do cross queue synchronization to tie the overlay
1415 * draw into the present queue.
1417 VkPresentInfoKHR present_info
= *pPresentInfo
;
1418 VkSemaphore
*semaphores
=
1419 (VkSemaphore
*)malloc(sizeof(VkSemaphore
) * (pPresentInfo
->waitSemaphoreCount
+ pPresentInfo
->swapchainCount
));
1420 for (uint32_t i
= 0; i
< pPresentInfo
->waitSemaphoreCount
; i
++)
1421 semaphores
[i
] = pPresentInfo
->pWaitSemaphores
[i
];
1422 for (uint32_t i
= 0; i
< pPresentInfo
->swapchainCount
; i
++) {
1423 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(pPresentInfo
->pSwapchains
[i
]);
1424 before_present(swapchain_data
, pPresentInfo
->pImageIndices
[i
]);
1425 semaphores
[pPresentInfo
->waitSemaphoreCount
+ i
] = swapchain_data
->submission_semaphore
;
1427 present_info
.pWaitSemaphores
= semaphores
;
1428 present_info
.waitSemaphoreCount
= pPresentInfo
->waitSemaphoreCount
+ pPresentInfo
->swapchainCount
;
1429 VkResult result
= queue_data
->device
->vtable
.QueuePresentKHR(queue
, &present_info
);
1434 VKAPI_ATTR VkResult VKAPI_CALL
overlay_AcquireNextImageKHR(
1436 VkSwapchainKHR swapchain
,
1438 VkSemaphore semaphore
,
1440 uint32_t* pImageIndex
)
1442 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(swapchain
);
1443 struct device_data
*device_data
= swapchain_data
->device
;
1445 uint64_t ts0
= os_time_get();
1446 VkResult result
= device_data
->vtable
.AcquireNextImageKHR(device
, swapchain
, timeout
,
1447 semaphore
, fence
, pImageIndex
);
1448 uint64_t ts1
= os_time_get();
1450 swapchain_data
->acquire_times
[swapchain_data
->n_acquire
%
1451 ARRAY_SIZE(swapchain_data
->acquire_times
)] =
1452 ((double)ts1
- (double)ts0
) / 1000.0;
1453 swapchain_data
->n_acquire
++;
1458 VKAPI_ATTR VkResult VKAPI_CALL
overlay_AcquireNextImage2KHR(
1460 const VkAcquireNextImageInfoKHR
* pAcquireInfo
,
1461 uint32_t* pImageIndex
)
1463 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(pAcquireInfo
->swapchain
);
1464 struct device_data
*device_data
= swapchain_data
->device
;
1466 uint64_t ts0
= os_time_get();
1467 VkResult result
= device_data
->vtable
.AcquireNextImage2KHR(device
, pAcquireInfo
, pImageIndex
);
1468 uint64_t ts1
= os_time_get();
1470 swapchain_data
->acquire_times
[swapchain_data
->n_acquire
%
1471 ARRAY_SIZE(swapchain_data
->acquire_times
)] =
1472 ((double)ts1
- (double)ts0
) / 1000.0;
1473 swapchain_data
->n_acquire
++;
1478 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDraw(
1479 VkCommandBuffer commandBuffer
,
1480 uint32_t vertexCount
,
1481 uint32_t instanceCount
,
1482 uint32_t firstVertex
,
1483 uint32_t firstInstance
)
1485 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1486 device_data
->vtable
.CmdDraw(commandBuffer
, vertexCount
, instanceCount
,
1487 firstVertex
, firstInstance
);
1488 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw
]++;
1491 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndexed(
1492 VkCommandBuffer commandBuffer
,
1493 uint32_t indexCount
,
1494 uint32_t instanceCount
,
1495 uint32_t firstIndex
,
1496 int32_t vertexOffset
,
1497 uint32_t firstInstance
)
1499 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1500 device_data
->vtable
.CmdDrawIndexed(commandBuffer
, indexCount
, instanceCount
,
1501 firstIndex
, vertexOffset
, firstInstance
);
1502 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indexed
]++;
1505 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndirect(
1506 VkCommandBuffer commandBuffer
,
1508 VkDeviceSize offset
,
1512 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1513 device_data
->vtable
.CmdDrawIndirect(commandBuffer
, buffer
, offset
, drawCount
, stride
);
1514 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indirect
]++;
1517 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndexedIndirect(
1518 VkCommandBuffer commandBuffer
,
1520 VkDeviceSize offset
,
1524 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1525 device_data
->vtable
.CmdDrawIndexedIndirect(commandBuffer
, buffer
, offset
, drawCount
, stride
);
1526 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indexed_indirect
]++;
1529 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndirectCountKHR(
1530 VkCommandBuffer commandBuffer
,
1532 VkDeviceSize offset
,
1533 VkBuffer countBuffer
,
1534 VkDeviceSize countBufferOffset
,
1535 uint32_t maxDrawCount
,
1538 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1539 device_data
->vtable
.CmdDrawIndirectCountKHR(commandBuffer
, buffer
, offset
,
1540 countBuffer
, countBufferOffset
,
1541 maxDrawCount
, stride
);
1542 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indirect_count
]++;
1545 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndexedIndirectCountKHR(
1546 VkCommandBuffer commandBuffer
,
1548 VkDeviceSize offset
,
1549 VkBuffer countBuffer
,
1550 VkDeviceSize countBufferOffset
,
1551 uint32_t maxDrawCount
,
1554 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1555 device_data
->vtable
.CmdDrawIndexedIndirectCountKHR(commandBuffer
, buffer
, offset
,
1556 countBuffer
, countBufferOffset
,
1557 maxDrawCount
, stride
);
1558 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indexed_indirect_count
]++;
1561 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDispatch(
1562 VkCommandBuffer commandBuffer
,
1563 uint32_t groupCountX
,
1564 uint32_t groupCountY
,
1565 uint32_t groupCountZ
)
1567 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1568 device_data
->vtable
.CmdDispatch(commandBuffer
, groupCountX
, groupCountY
, groupCountZ
);
1569 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_dispatch
]++;
1572 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDispatchIndirect(
1573 VkCommandBuffer commandBuffer
,
1575 VkDeviceSize offset
)
1577 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1578 device_data
->vtable
.CmdDispatchIndirect(commandBuffer
, buffer
, offset
);
1579 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_dispatch_indirect
]++;
1582 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdBindPipeline(
1583 VkCommandBuffer commandBuffer
,
1584 VkPipelineBindPoint pipelineBindPoint
,
1585 VkPipeline pipeline
)
1587 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1588 device_data
->vtable
.CmdBindPipeline(commandBuffer
, pipelineBindPoint
, pipeline
);
1589 switch (pipelineBindPoint
) {
1590 case VK_PIPELINE_BIND_POINT_GRAPHICS
: device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_pipeline_graphics
]++; break;
1591 case VK_PIPELINE_BIND_POINT_COMPUTE
: device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_pipeline_compute
]++; break;
1592 case VK_PIPELINE_BIND_POINT_RAY_TRACING_NV
: device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_pipeline_raytracing
]++; break;
1597 VKAPI_ATTR VkResult VKAPI_CALL
overlay_AllocateCommandBuffers(VkDevice device
,
1598 const VkCommandBufferAllocateInfo
* pAllocateInfo
,
1599 VkCommandBuffer
* pCommandBuffers
)
1601 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1604 device_data
->vtable
.AllocateCommandBuffers(device
, pAllocateInfo
, pCommandBuffers
);
1605 if (result
!= VK_SUCCESS
) return result
;
1607 for (uint32_t i
= 0; i
< pAllocateInfo
->commandBufferCount
; i
++)
1608 map_object(pCommandBuffers
[i
], device_data
);
1613 VKAPI_ATTR
void VKAPI_CALL
overlay_FreeCommandBuffers(VkDevice device
,
1614 VkCommandPool commandPool
,
1615 uint32_t commandBufferCount
,
1616 const VkCommandBuffer
* pCommandBuffers
)
1618 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1620 for (uint32_t i
= 0; i
< commandBufferCount
; i
++)
1621 unmap_object(pCommandBuffers
[i
]);
1623 device_data
->vtable
.FreeCommandBuffers(device
, commandPool
,
1624 commandBufferCount
, pCommandBuffers
);
1627 VKAPI_ATTR VkResult VKAPI_CALL
overlay_QueueSubmit(
1629 uint32_t submitCount
,
1630 const VkSubmitInfo
* pSubmits
,
1633 struct queue_data
*queue_data
= FIND_QUEUE_DATA(queue
);
1634 struct device_data
*device_data
= queue_data
->device
;
1636 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_submit
]++;
1638 return device_data
->vtable
.QueueSubmit(queue
, submitCount
, pSubmits
, fence
);
1641 VKAPI_ATTR VkResult VKAPI_CALL
overlay_CreateDevice(
1642 VkPhysicalDevice physicalDevice
,
1643 const VkDeviceCreateInfo
* pCreateInfo
,
1644 const VkAllocationCallbacks
* pAllocator
,
1647 struct instance_data
*instance_data
= FIND_PHYSICAL_DEVICE_DATA(physicalDevice
);
1648 VkLayerDeviceCreateInfo
*chain_info
= get_chain_info(pCreateInfo
, VK_LAYER_LINK_INFO
);
1650 assert(chain_info
->u
.pLayerInfo
);
1651 PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr
= chain_info
->u
.pLayerInfo
->pfnNextGetInstanceProcAddr
;
1652 PFN_vkGetDeviceProcAddr fpGetDeviceProcAddr
= chain_info
->u
.pLayerInfo
->pfnNextGetDeviceProcAddr
;
1653 PFN_vkCreateDevice fpCreateDevice
= (PFN_vkCreateDevice
)fpGetInstanceProcAddr(NULL
, "vkCreateDevice");
1654 if (fpCreateDevice
== NULL
) {
1655 return VK_ERROR_INITIALIZATION_FAILED
;
1658 // Advance the link info for the next element on the chain
1659 chain_info
->u
.pLayerInfo
= chain_info
->u
.pLayerInfo
->pNext
;
1661 VkResult result
= fpCreateDevice(physicalDevice
, pCreateInfo
, pAllocator
, pDevice
);
1662 if (result
!= VK_SUCCESS
) return result
;
1664 struct device_data
*device_data
= new_device_data(*pDevice
, instance_data
);
1665 device_data
->physical_device
= physicalDevice
;
1666 layer_init_device_dispatch_table(*pDevice
, &device_data
->vtable
, fpGetDeviceProcAddr
);
1668 instance_data
->vtable
.GetPhysicalDeviceProperties(device_data
->physical_device
,
1669 &device_data
->properties
);
1671 device_map_queues(device_data
, pCreateInfo
);
1676 VKAPI_ATTR
void VKAPI_CALL
overlay_DestroyDevice(
1678 const VkAllocationCallbacks
* pAllocator
)
1680 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1681 device_unmap_queues(device_data
);
1682 device_data
->vtable
.DestroyDevice(device
, pAllocator
);
1683 destroy_device_data(device_data
);
1686 VKAPI_ATTR VkResult VKAPI_CALL
overlay_CreateInstance(
1687 const VkInstanceCreateInfo
* pCreateInfo
,
1688 const VkAllocationCallbacks
* pAllocator
,
1689 VkInstance
* pInstance
)
1691 VkLayerInstanceCreateInfo
*chain_info
= get_chain_info(pCreateInfo
, VK_LAYER_LINK_INFO
);
1693 assert(chain_info
->u
.pLayerInfo
);
1694 PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr
=
1695 chain_info
->u
.pLayerInfo
->pfnNextGetInstanceProcAddr
;
1696 PFN_vkCreateInstance fpCreateInstance
=
1697 (PFN_vkCreateInstance
)fpGetInstanceProcAddr(NULL
, "vkCreateInstance");
1698 if (fpCreateInstance
== NULL
) {
1699 return VK_ERROR_INITIALIZATION_FAILED
;
1702 // Advance the link info for the next element on the chain
1703 chain_info
->u
.pLayerInfo
= chain_info
->u
.pLayerInfo
->pNext
;
1705 VkResult result
= fpCreateInstance(pCreateInfo
, pAllocator
, pInstance
);
1706 if (result
!= VK_SUCCESS
) return result
;
1708 struct instance_data
*instance_data
= new_instance_data(*pInstance
);
1709 layer_init_instance_dispatch_table(instance_data
->instance
,
1710 &instance_data
->vtable
,
1711 fpGetInstanceProcAddr
);
1712 instance_data_map_physical_devices(instance_data
, true);
1714 parse_overlay_env(&instance_data
->params
, getenv("VK_LAYER_MESA_OVERLAY_CONFIG"));
1719 VKAPI_ATTR
void VKAPI_CALL
overlay_DestroyInstance(
1720 VkInstance instance
,
1721 const VkAllocationCallbacks
* pAllocator
)
1723 struct instance_data
*instance_data
= FIND_INSTANCE_DATA(instance
);
1724 instance_data_map_physical_devices(instance_data
, false);
1725 instance_data
->vtable
.DestroyInstance(instance
, pAllocator
);
1726 destroy_instance_data(instance_data
);
1729 static const struct {
1732 } name_to_funcptr_map
[] = {
1733 { "vkGetDeviceProcAddr", (void *) vkGetDeviceProcAddr
},
1734 #define ADD_HOOK(fn) { "vk" # fn, (void *) overlay_ ## fn }
1735 ADD_HOOK(AllocateCommandBuffers
),
1738 ADD_HOOK(CmdDrawIndexed
),
1739 ADD_HOOK(CmdDrawIndexedIndirect
),
1740 ADD_HOOK(CmdDispatch
),
1741 ADD_HOOK(CmdDispatchIndirect
),
1742 ADD_HOOK(CmdDrawIndirectCountKHR
),
1743 ADD_HOOK(CmdDrawIndexedIndirectCountKHR
),
1745 ADD_HOOK(CmdBindPipeline
),
1747 ADD_HOOK(CreateSwapchainKHR
),
1748 ADD_HOOK(QueuePresentKHR
),
1749 ADD_HOOK(DestroySwapchainKHR
),
1750 ADD_HOOK(AcquireNextImageKHR
),
1751 ADD_HOOK(AcquireNextImage2KHR
),
1753 ADD_HOOK(QueueSubmit
),
1754 ADD_HOOK(CreateInstance
),
1755 ADD_HOOK(DestroyInstance
),
1756 ADD_HOOK(CreateDevice
),
1757 ADD_HOOK(DestroyDevice
),
1761 static void *find_ptr(const char *name
)
1763 for (uint32_t i
= 0; i
< ARRAY_SIZE(name_to_funcptr_map
); i
++) {
1764 if (strcmp(name
, name_to_funcptr_map
[i
].name
) == 0)
1765 return name_to_funcptr_map
[i
].ptr
;
1771 VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
vkGetDeviceProcAddr(VkDevice dev
,
1772 const char *funcName
)
1774 void *ptr
= find_ptr(funcName
);
1775 if (ptr
) return reinterpret_cast<PFN_vkVoidFunction
>(ptr
);
1777 if (dev
== NULL
) return NULL
;
1779 struct device_data
*device_data
= FIND_DEVICE_DATA(dev
);
1780 if (device_data
->vtable
.GetDeviceProcAddr
== NULL
) return NULL
;
1781 return device_data
->vtable
.GetDeviceProcAddr(dev
, funcName
);
1784 VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
vkGetInstanceProcAddr(VkInstance instance
,
1785 const char *funcName
)
1787 void *ptr
= find_ptr(funcName
);
1788 if (ptr
) return reinterpret_cast<PFN_vkVoidFunction
>(ptr
);
1790 if (instance
== NULL
) return NULL
;
1792 struct instance_data
*instance_data
= FIND_INSTANCE_DATA(instance
);
1793 if (instance_data
->vtable
.GetInstanceProcAddr
== NULL
) return NULL
;
1794 return instance_data
->vtable
.GetInstanceProcAddr(instance
, funcName
);