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_layer.h>
33 #include "overlay_params.h"
35 #include "util/debug.h"
36 #include "util/hash_table.h"
37 #include "util/ralloc.h"
38 #include "util/os_time.h"
39 #include "util/simple_mtx.h"
41 #include "vk_enum_to_str.h"
44 /* Mapped from VkInstace/VkPhysicalDevice */
45 struct instance_data
{
46 struct vk_instance_dispatch_table vtable
;
49 struct overlay_params params
;
53 uint32_t stats
[OVERLAY_PARAM_ENABLED_MAX
];
56 /* Mapped from VkDevice/VkCommandBuffer */
59 struct instance_data
*instance
;
61 struct vk_device_dispatch_table vtable
;
62 VkPhysicalDevice physical_device
;
65 VkPhysicalDeviceProperties properties
;
67 struct queue_data
*graphic_queue
;
69 struct queue_data
**queues
;
72 struct frame_stat stats
;
75 /* Mapped from VkQueue */
77 struct device_data
*device
;
81 uint32_t family_index
;
84 /* Mapped from VkSwapchainKHR */
85 struct swapchain_data
{
86 struct device_data
*device
;
88 VkSwapchainKHR swapchain
;
89 unsigned width
, height
;
94 VkImageView
*image_views
;
95 VkFramebuffer
*framebuffers
;
97 VkRenderPass render_pass
;
99 VkDescriptorPool descriptor_pool
;
100 VkDescriptorSetLayout descriptor_layout
;
101 VkDescriptorSet descriptor_set
;
103 VkSampler font_sampler
;
105 VkPipelineLayout pipeline_layout
;
108 VkCommandPool command_pool
;
111 VkCommandBuffer command_buffer
;
113 VkBuffer vertex_buffer
;
114 VkDeviceMemory vertex_buffer_mem
;
115 VkDeviceSize vertex_buffer_size
;
117 VkBuffer index_buffer
;
118 VkDeviceMemory index_buffer_mem
;
119 VkDeviceSize index_buffer_size
;
124 VkImageView font_image_view
;
125 VkDeviceMemory font_mem
;
126 VkBuffer upload_font_buffer
;
127 VkDeviceMemory upload_font_buffer_mem
;
130 VkSemaphore submission_semaphore
;
133 ImGuiContext
* imgui_context
;
138 uint64_t last_present_time
;
140 unsigned n_frames_since_update
;
141 uint64_t last_fps_update
;
144 double frame_times
[200];
146 double acquire_times
[200];
149 enum overlay_param_enabled stat_selector
;
150 struct frame_stat stats_min
, stats_max
;
151 struct frame_stat stats
[200];
154 static struct hash_table
*vk_object_to_data
= NULL
;
155 static simple_mtx_t vk_object_to_data_mutex
= _SIMPLE_MTX_INITIALIZER_NP
;
157 thread_local ImGuiContext
* __MesaImGui
;
159 static inline void ensure_vk_object_map(void)
161 if (!vk_object_to_data
) {
162 vk_object_to_data
= _mesa_hash_table_create(NULL
,
164 _mesa_key_pointer_equal
);
168 #define FIND_SWAPCHAIN_DATA(obj) ((struct swapchain_data *)find_object_data((void *) obj))
169 #define FIND_DEVICE_DATA(obj) ((struct device_data *)find_object_data((void *) obj))
170 #define FIND_QUEUE_DATA(obj) ((struct queue_data *)find_object_data((void *) obj))
171 #define FIND_PHYSICAL_DEVICE_DATA(obj) ((struct instance_data *)find_object_data((void *) obj))
172 #define FIND_INSTANCE_DATA(obj) ((struct instance_data *)find_object_data((void *) obj))
173 static void *find_object_data(void *obj
)
175 simple_mtx_lock(&vk_object_to_data_mutex
);
176 ensure_vk_object_map();
177 struct hash_entry
*entry
= _mesa_hash_table_search(vk_object_to_data
, obj
);
178 void *data
= entry
? entry
->data
: NULL
;
179 simple_mtx_unlock(&vk_object_to_data_mutex
);
183 static void map_object(void *obj
, void *data
)
185 simple_mtx_lock(&vk_object_to_data_mutex
);
186 ensure_vk_object_map();
187 _mesa_hash_table_insert(vk_object_to_data
, obj
, data
);
188 simple_mtx_unlock(&vk_object_to_data_mutex
);
191 static void unmap_object(void *obj
)
193 simple_mtx_lock(&vk_object_to_data_mutex
);
194 struct hash_entry
*entry
= _mesa_hash_table_search(vk_object_to_data
, obj
);
195 _mesa_hash_table_remove(vk_object_to_data
, entry
);
196 simple_mtx_unlock(&vk_object_to_data_mutex
);
201 static VkLayerInstanceCreateInfo
*get_instance_chain_info(const VkInstanceCreateInfo
*pCreateInfo
,
202 VkLayerFunction func
)
204 vk_foreach_struct(item
, pCreateInfo
->pNext
) {
205 if (item
->sType
== VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO
&&
206 ((VkLayerInstanceCreateInfo
*) item
)->function
== func
)
207 return (VkLayerInstanceCreateInfo
*) item
;
209 unreachable("instance chain info not found");
213 static VkLayerDeviceCreateInfo
*get_device_chain_info(const VkDeviceCreateInfo
*pCreateInfo
,
214 VkLayerFunction func
)
216 vk_foreach_struct(item
, pCreateInfo
->pNext
) {
217 if (item
->sType
== VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO
&&
218 ((VkLayerDeviceCreateInfo
*) item
)->function
== func
)
219 return (VkLayerDeviceCreateInfo
*)item
;
221 unreachable("device chain info not found");
227 static struct instance_data
*new_instance_data(VkInstance instance
)
229 struct instance_data
*data
= rzalloc(NULL
, struct instance_data
);
230 data
->instance
= instance
;
231 map_object(data
->instance
, data
);
235 static void destroy_instance_data(struct instance_data
*data
)
237 if (data
->params
.output_file
)
238 fclose(data
->params
.output_file
);
239 unmap_object(data
->instance
);
243 static void instance_data_map_physical_devices(struct instance_data
*instance_data
,
246 uint32_t physicalDeviceCount
= 0;
247 instance_data
->vtable
.EnumeratePhysicalDevices(instance_data
->instance
,
248 &physicalDeviceCount
,
251 VkPhysicalDevice
*physicalDevices
= (VkPhysicalDevice
*) malloc(sizeof(VkPhysicalDevice
) * physicalDeviceCount
);
252 instance_data
->vtable
.EnumeratePhysicalDevices(instance_data
->instance
,
253 &physicalDeviceCount
,
256 for (uint32_t i
= 0; i
< physicalDeviceCount
; i
++) {
258 map_object(physicalDevices
[i
], instance_data
);
260 unmap_object(physicalDevices
[i
]);
263 free(physicalDevices
);
267 static struct device_data
*new_device_data(VkDevice device
, struct instance_data
*instance
)
269 struct device_data
*data
= rzalloc(NULL
, struct device_data
);
270 data
->instance
= instance
;
271 data
->device
= device
;
272 map_object(data
->device
, data
);
276 static struct queue_data
*new_queue_data(VkQueue queue
,
277 const VkQueueFamilyProperties
*family_props
,
278 uint32_t family_index
,
279 struct device_data
*device_data
)
281 struct queue_data
*data
= rzalloc(device_data
, struct queue_data
);
282 data
->device
= device_data
;
284 data
->flags
= family_props
->queueFlags
;
285 data
->family_index
= family_index
;
286 map_object(data
->queue
, data
);
288 if (data
->flags
& VK_QUEUE_GRAPHICS_BIT
)
289 device_data
->graphic_queue
= data
;
294 static void device_map_queues(struct device_data
*data
,
295 const VkDeviceCreateInfo
*pCreateInfo
)
297 for (uint32_t i
= 0; i
< pCreateInfo
->queueCreateInfoCount
; i
++)
298 data
->n_queues
+= pCreateInfo
->pQueueCreateInfos
[i
].queueCount
;
299 data
->queues
= ralloc_array(data
, struct queue_data
*, data
->n_queues
);
301 struct instance_data
*instance_data
= data
->instance
;
302 uint32_t n_family_props
;
303 instance_data
->vtable
.GetPhysicalDeviceQueueFamilyProperties(data
->physical_device
,
306 VkQueueFamilyProperties
*family_props
=
307 (VkQueueFamilyProperties
*)malloc(sizeof(VkQueueFamilyProperties
) * n_family_props
);
308 instance_data
->vtable
.GetPhysicalDeviceQueueFamilyProperties(data
->physical_device
,
312 uint32_t queue_index
= 0;
313 for (uint32_t i
= 0; i
< pCreateInfo
->queueCreateInfoCount
; i
++) {
314 for (uint32_t j
= 0; j
< pCreateInfo
->pQueueCreateInfos
[i
].queueCount
; j
++) {
316 data
->vtable
.GetDeviceQueue(data
->device
,
317 pCreateInfo
->pQueueCreateInfos
[i
].queueFamilyIndex
,
319 data
->queues
[queue_index
++] =
320 new_queue_data(queue
, &family_props
[pCreateInfo
->pQueueCreateInfos
[i
].queueFamilyIndex
],
321 pCreateInfo
->pQueueCreateInfos
[i
].queueFamilyIndex
, data
);
328 static void device_unmap_queues(struct device_data
*data
)
330 for (uint32_t i
= 0; i
< data
->n_queues
; i
++)
331 unmap_object(data
->queues
[i
]->queue
);
334 static void destroy_device_data(struct device_data
*data
)
336 unmap_object(data
->device
);
340 static void check_vk_result(VkResult err
)
342 if (err
!= VK_SUCCESS
)
347 static struct swapchain_data
*new_swapchain_data(VkSwapchainKHR swapchain
,
348 struct device_data
*device_data
)
350 struct swapchain_data
*data
= rzalloc(NULL
, struct swapchain_data
);
351 data
->device
= device_data
;
352 data
->swapchain
= swapchain
;
353 data
->window_size
= ImVec2(300, 300);
354 map_object((void *) data
->swapchain
, data
);
358 static void destroy_swapchain_data(struct swapchain_data
*data
)
360 unmap_object((void *) data
->swapchain
);
364 static void snapshot_swapchain_frame(struct swapchain_data
*data
)
366 struct instance_data
*instance_data
= data
->device
->instance
;
367 uint64_t now
= os_time_get(); /* us */
369 if (data
->last_present_time
) {
370 data
->frame_times
[(data
->n_frames
- 1) % ARRAY_SIZE(data
->frame_times
)] =
371 ((double)now
- (double)data
->last_present_time
) / 1000.0;
374 if (data
->last_fps_update
) {
375 double elapsed
= (double)(now
- data
->last_fps_update
); /* us */
376 if (elapsed
>= instance_data
->params
.fps_sampling_period
) {
377 data
->fps
= 1000000.0f
* data
->n_frames_since_update
/ elapsed
;
378 data
->n_frames_since_update
= 0;
379 data
->last_fps_update
= now
;
380 if (instance_data
->params
.output_file
) {
381 fprintf(instance_data
->params
.output_file
, "%.2f\n", data
->fps
);
382 fflush(instance_data
->params
.output_file
);
386 data
->last_fps_update
= now
;
389 struct device_data
*device_data
= data
->device
;
390 data
->stats
[data
->n_frames
% ARRAY_SIZE(data
->frame_times
)] = device_data
->stats
;
391 memset(&device_data
->stats
, 0, sizeof(device_data
->stats
));
393 data
->last_present_time
= now
;
395 data
->n_frames_since_update
++;
398 static float get_frame_timing(void *_data
, int _idx
)
400 struct swapchain_data
*data
= (struct swapchain_data
*) _data
;
401 if ((ARRAY_SIZE(data
->frame_times
) - _idx
) > (data
->n_frames
- 2))
403 int idx
= ARRAY_SIZE(data
->frame_times
) +
404 (data
->n_frames
- 2) < ARRAY_SIZE(data
->frame_times
) ?
405 _idx
- (data
->n_frames
- 2) :
406 _idx
+ (data
->n_frames
- 2);
407 idx
%= ARRAY_SIZE(data
->frame_times
);
408 return data
->frame_times
[idx
];
411 static float get_acquire_timing(void *_data
, int _idx
)
413 struct swapchain_data
*data
= (struct swapchain_data
*) _data
;
414 if ((ARRAY_SIZE(data
->acquire_times
) - _idx
) > data
->n_acquire
)
416 int idx
= ARRAY_SIZE(data
->acquire_times
) +
417 data
->n_acquire
< ARRAY_SIZE(data
->acquire_times
) ?
418 _idx
- data
->n_acquire
:
419 _idx
+ data
->n_acquire
;
420 idx
%= ARRAY_SIZE(data
->acquire_times
);
421 return data
->acquire_times
[idx
];
424 static float get_stat(void *_data
, int _idx
)
426 struct swapchain_data
*data
= (struct swapchain_data
*) _data
;
427 if ((ARRAY_SIZE(data
->stats
) - _idx
) > data
->n_frames
)
429 int idx
= ARRAY_SIZE(data
->stats
) +
430 data
->n_frames
< ARRAY_SIZE(data
->stats
) ?
431 _idx
- data
->n_frames
:
432 _idx
+ data
->n_frames
;
433 idx
%= ARRAY_SIZE(data
->stats
);
434 return data
->stats
[idx
].stats
[data
->stat_selector
];
437 static void position_layer(struct swapchain_data
*data
)
440 struct device_data
*device_data
= data
->device
;
441 struct instance_data
*instance_data
= device_data
->instance
;
443 ImGui::SetNextWindowBgAlpha(0.5);
444 ImGui::SetNextWindowSize(data
->window_size
, ImGuiCond_Always
);
445 switch (instance_data
->params
.position
) {
446 case LAYER_POSITION_TOP_LEFT
:
447 ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always
);
449 case LAYER_POSITION_TOP_RIGHT
:
450 ImGui::SetNextWindowPos(ImVec2(data
->width
- data
->window_size
.x
, 0),
453 case LAYER_POSITION_BOTTOM_LEFT
:
454 ImGui::SetNextWindowPos(ImVec2(0, data
->height
- data
->window_size
.y
),
457 case LAYER_POSITION_BOTTOM_RIGHT
:
458 ImGui::SetNextWindowPos(ImVec2(data
->width
- data
->window_size
.x
,
459 data
->height
- data
->window_size
.y
),
465 static void compute_swapchain_display(struct swapchain_data
*data
)
467 struct device_data
*device_data
= data
->device
;
468 struct instance_data
*instance_data
= device_data
->instance
;
470 ImGui::SetCurrentContext(data
->imgui_context
);
472 position_layer(data
);
473 ImGui::Begin("Mesa overlay");
474 ImGui::Text("Device: %s", device_data
->properties
.deviceName
);
476 const char *format_name
= vk_Format_to_str(data
->format
);
477 format_name
= format_name
? (format_name
+ strlen("VK_FORMAT_")) : "unknown";
478 ImGui::Text("Swapchain format: %s", format_name
);
479 ImGui::Text("Frames: %" PRIu64
, data
->n_frames
);
480 if (instance_data
->params
.enabled
[OVERLAY_PARAM_ENABLED_fps
])
481 ImGui::Text("FPS: %.2f" , data
->fps
);
483 if (instance_data
->params
.enabled
[OVERLAY_PARAM_ENABLED_frame_timing
]){
484 double min_time
= FLT_MAX
, max_time
= 0.0f
;
485 for (uint32_t i
= 0; i
< MIN2(data
->n_frames
- 2, ARRAY_SIZE(data
->frame_times
)); i
++) {
486 min_time
= MIN2(min_time
, data
->frame_times
[i
]);
487 max_time
= MAX2(max_time
, data
->frame_times
[i
]);
489 ImGui::PlotHistogram("##Frame timings", get_frame_timing
, data
,
490 ARRAY_SIZE(data
->frame_times
), 0,
491 NULL
, min_time
, max_time
,
492 ImVec2(ImGui::GetContentRegionAvailWidth(), 30));
493 ImGui::Text("Frame timing: %.3fms [%.3f, %.3f]",
494 get_frame_timing(data
, ARRAY_SIZE(data
->frame_times
) - 1),
498 if (instance_data
->params
.enabled
[OVERLAY_PARAM_ENABLED_acquire_timing
]) {
499 double min_time
= FLT_MAX
, max_time
= 0.0f
;
500 for (uint32_t i
= 0; i
< MIN2(data
->n_acquire
- 2, ARRAY_SIZE(data
->acquire_times
)); i
++) {
501 min_time
= MIN2(min_time
, data
->acquire_times
[i
]);
502 max_time
= MAX2(max_time
, data
->acquire_times
[i
]);
504 ImGui::PlotHistogram("##Acquire timings", get_acquire_timing
, data
,
505 ARRAY_SIZE(data
->acquire_times
), 0,
506 NULL
, min_time
, max_time
,
507 ImVec2(ImGui::GetContentRegionAvailWidth(), 30));
508 ImGui::Text("Acquire timing: %.3fms [%.3f, %.3f]",
509 get_acquire_timing(data
, ARRAY_SIZE(data
->acquire_times
) - 1),
513 for (uint32_t i
= 0; i
< ARRAY_SIZE(data
->stats_min
.stats
); i
++) {
514 data
->stats_min
.stats
[i
] = UINT32_MAX
;
515 data
->stats_max
.stats
[i
] = 0;
517 for (uint32_t i
= 0; i
< MIN2(data
->n_frames
- 1, ARRAY_SIZE(data
->stats
)); i
++) {
518 for (uint32_t j
= 0; j
< ARRAY_SIZE(data
->stats
[0].stats
); j
++) {
519 data
->stats_min
.stats
[j
] = MIN2(data
->stats
[i
].stats
[j
],
520 data
->stats_min
.stats
[j
]);
521 data
->stats_max
.stats
[j
] = MAX2(data
->stats
[i
].stats
[j
],
522 data
->stats_max
.stats
[j
]);
526 for (uint32_t i
= 0; i
< ARRAY_SIZE(device_data
->stats
.stats
); i
++) {
527 if (!instance_data
->params
.enabled
[i
] ||
528 i
== OVERLAY_PARAM_ENABLED_fps
||
529 i
== OVERLAY_PARAM_ENABLED_frame_timing
||
530 i
== OVERLAY_PARAM_ENABLED_acquire_timing
)
534 snprintf(hash
, sizeof(hash
), "##%s", overlay_param_names
[i
]);
535 data
->stat_selector
= (enum overlay_param_enabled
) i
;
537 ImGui::PlotHistogram(hash
, get_stat
, data
,
538 ARRAY_SIZE(data
->stats
), 0,
540 data
->stats_min
.stats
[i
],
541 data
->stats_max
.stats
[i
],
542 ImVec2(ImGui::GetContentRegionAvailWidth(), 30));
543 ImGui::Text("%s: %.0f [%u, %u]", overlay_param_names
[i
],
544 get_stat(data
, ARRAY_SIZE(data
->stats
) - 1),
545 data
->stats_min
.stats
[i
], data
->stats_max
.stats
[i
]);
547 data
->window_size
= ImVec2(data
->window_size
.x
, ImGui::GetCursorPosY() + 10.0f
);
553 static uint32_t vk_memory_type(struct device_data
*data
,
554 VkMemoryPropertyFlags properties
,
557 VkPhysicalDeviceMemoryProperties prop
;
558 data
->instance
->vtable
.GetPhysicalDeviceMemoryProperties(data
->physical_device
, &prop
);
559 for (uint32_t i
= 0; i
< prop
.memoryTypeCount
; i
++)
560 if ((prop
.memoryTypes
[i
].propertyFlags
& properties
) == properties
&& type_bits
& (1<<i
))
562 return 0xFFFFFFFF; // Unable to find memoryType
565 static void ensure_swapchain_fonts(struct swapchain_data
*data
,
566 VkCommandBuffer command_buffer
)
568 if (data
->font_uploaded
)
571 data
->font_uploaded
= true;
573 struct device_data
*device_data
= data
->device
;
575 ImGuiIO
& io
= ImGui::GetIO();
576 unsigned char* pixels
;
578 io
.Fonts
->GetTexDataAsRGBA32(&pixels
, &width
, &height
);
579 size_t upload_size
= width
* height
* 4 * sizeof(char);
582 VkBufferCreateInfo buffer_info
= {};
583 buffer_info
.sType
= VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO
;
584 buffer_info
.size
= upload_size
;
585 buffer_info
.usage
= VK_BUFFER_USAGE_TRANSFER_SRC_BIT
;
586 buffer_info
.sharingMode
= VK_SHARING_MODE_EXCLUSIVE
;
587 err
= device_data
->vtable
.CreateBuffer(device_data
->device
, &buffer_info
,
588 NULL
, &data
->upload_font_buffer
);
589 check_vk_result(err
);
590 VkMemoryRequirements upload_buffer_req
;
591 device_data
->vtable
.GetBufferMemoryRequirements(device_data
->device
,
592 data
->upload_font_buffer
,
594 VkMemoryAllocateInfo upload_alloc_info
= {};
595 upload_alloc_info
.sType
= VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO
;
596 upload_alloc_info
.allocationSize
= upload_buffer_req
.size
;
597 upload_alloc_info
.memoryTypeIndex
= vk_memory_type(device_data
,
598 VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT
,
599 upload_buffer_req
.memoryTypeBits
);
600 err
= device_data
->vtable
.AllocateMemory(device_data
->device
,
603 &data
->upload_font_buffer_mem
);
604 check_vk_result(err
);
605 err
= device_data
->vtable
.BindBufferMemory(device_data
->device
,
606 data
->upload_font_buffer
,
607 data
->upload_font_buffer_mem
, 0);
608 check_vk_result(err
);
610 /* Upload to Buffer */
612 err
= device_data
->vtable
.MapMemory(device_data
->device
,
613 data
->upload_font_buffer_mem
,
614 0, upload_size
, 0, (void**)(&map
));
615 check_vk_result(err
);
616 memcpy(map
, pixels
, upload_size
);
617 VkMappedMemoryRange range
[1] = {};
618 range
[0].sType
= VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE
;
619 range
[0].memory
= data
->upload_font_buffer_mem
;
620 range
[0].size
= upload_size
;
621 err
= device_data
->vtable
.FlushMappedMemoryRanges(device_data
->device
, 1, range
);
622 check_vk_result(err
);
623 device_data
->vtable
.UnmapMemory(device_data
->device
,
624 data
->upload_font_buffer_mem
);
626 /* Copy buffer to image */
627 VkImageMemoryBarrier copy_barrier
[1] = {};
628 copy_barrier
[0].sType
= VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER
;
629 copy_barrier
[0].dstAccessMask
= VK_ACCESS_TRANSFER_WRITE_BIT
;
630 copy_barrier
[0].oldLayout
= VK_IMAGE_LAYOUT_UNDEFINED
;
631 copy_barrier
[0].newLayout
= VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
;
632 copy_barrier
[0].srcQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
633 copy_barrier
[0].dstQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
634 copy_barrier
[0].image
= data
->font_image
;
635 copy_barrier
[0].subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
636 copy_barrier
[0].subresourceRange
.levelCount
= 1;
637 copy_barrier
[0].subresourceRange
.layerCount
= 1;
638 device_data
->vtable
.CmdPipelineBarrier(command_buffer
,
639 VK_PIPELINE_STAGE_HOST_BIT
,
640 VK_PIPELINE_STAGE_TRANSFER_BIT
,
644 VkBufferImageCopy region
= {};
645 region
.imageSubresource
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
646 region
.imageSubresource
.layerCount
= 1;
647 region
.imageExtent
.width
= width
;
648 region
.imageExtent
.height
= height
;
649 region
.imageExtent
.depth
= 1;
650 device_data
->vtable
.CmdCopyBufferToImage(command_buffer
,
651 data
->upload_font_buffer
,
653 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
,
656 VkImageMemoryBarrier use_barrier
[1] = {};
657 use_barrier
[0].sType
= VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER
;
658 use_barrier
[0].srcAccessMask
= VK_ACCESS_TRANSFER_WRITE_BIT
;
659 use_barrier
[0].dstAccessMask
= VK_ACCESS_SHADER_READ_BIT
;
660 use_barrier
[0].oldLayout
= VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
;
661 use_barrier
[0].newLayout
= VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
;
662 use_barrier
[0].srcQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
663 use_barrier
[0].dstQueueFamilyIndex
= VK_QUEUE_FAMILY_IGNORED
;
664 use_barrier
[0].image
= data
->font_image
;
665 use_barrier
[0].subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
666 use_barrier
[0].subresourceRange
.levelCount
= 1;
667 use_barrier
[0].subresourceRange
.layerCount
= 1;
668 device_data
->vtable
.CmdPipelineBarrier(command_buffer
,
669 VK_PIPELINE_STAGE_TRANSFER_BIT
,
670 VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT
,
676 /* Store our identifier */
677 io
.Fonts
->TexID
= (ImTextureID
)(intptr_t)data
->font_image
;
680 static void CreateOrResizeBuffer(struct device_data
*data
,
682 VkDeviceMemory
*buffer_memory
,
683 VkDeviceSize
*buffer_size
,
684 size_t new_size
, VkBufferUsageFlagBits usage
)
687 if (*buffer
!= VK_NULL_HANDLE
)
688 data
->vtable
.DestroyBuffer(data
->device
, *buffer
, NULL
);
690 data
->vtable
.FreeMemory(data
->device
, *buffer_memory
, NULL
);
692 VkBufferCreateInfo buffer_info
= {};
693 buffer_info
.sType
= VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO
;
694 buffer_info
.size
= new_size
;
695 buffer_info
.usage
= usage
;
696 buffer_info
.sharingMode
= VK_SHARING_MODE_EXCLUSIVE
;
697 err
= data
->vtable
.CreateBuffer(data
->device
, &buffer_info
, NULL
, buffer
);
698 check_vk_result(err
);
700 VkMemoryRequirements req
;
701 data
->vtable
.GetBufferMemoryRequirements(data
->device
, *buffer
, &req
);
702 VkMemoryAllocateInfo alloc_info
= {};
703 alloc_info
.sType
= VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO
;
704 alloc_info
.allocationSize
= req
.size
;
705 alloc_info
.memoryTypeIndex
=
706 vk_memory_type(data
, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT
, req
.memoryTypeBits
);
707 err
= data
->vtable
.AllocateMemory(data
->device
, &alloc_info
, NULL
, buffer_memory
);
708 check_vk_result(err
);
710 err
= data
->vtable
.BindBufferMemory(data
->device
, *buffer
, *buffer_memory
, 0);
711 check_vk_result(err
);
712 *buffer_size
= new_size
;
715 static void render_swapchain_display(struct swapchain_data
*data
, unsigned image_index
)
717 ImDrawData
* draw_data
= ImGui::GetDrawData();
718 if (draw_data
->TotalVtxCount
== 0)
721 struct device_data
*device_data
= data
->device
;
722 uint32_t idx
= data
->n_frames
% ARRAY_SIZE(data
->frame_data
);
723 VkCommandBuffer command_buffer
= data
->frame_data
[idx
].command_buffer
;
726 device_data
->vtable
.ResetCommandBuffer(command_buffer
, 0);
728 VkRenderPassBeginInfo render_pass_info
= {};
729 render_pass_info
.sType
= VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO
;
730 render_pass_info
.renderPass
= data
->render_pass
;
731 render_pass_info
.framebuffer
= data
->framebuffers
[image_index
];
732 render_pass_info
.renderArea
.extent
.width
= data
->width
;
733 render_pass_info
.renderArea
.extent
.height
= data
->height
;
735 VkCommandBufferBeginInfo buffer_begin_info
= {};
736 buffer_begin_info
.sType
= VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO
;
738 device_data
->vtable
.BeginCommandBuffer(command_buffer
, &buffer_begin_info
);
740 ensure_swapchain_fonts(data
, command_buffer
);
742 /* Bounce the image to display back to color attachment layout for
743 * rendering on top of it.
745 VkImageMemoryBarrier imb
;
746 imb
.sType
= VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER
;
748 imb
.dstAccessMask
= VK_ACCESS_MEMORY_READ_BIT
;
749 imb
.srcAccessMask
= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT
;
750 imb
.oldLayout
= VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
;
751 imb
.newLayout
= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
;
752 imb
.image
= data
->images
[image_index
];
753 imb
.subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
754 imb
.subresourceRange
.baseMipLevel
= 0;
755 imb
.subresourceRange
.levelCount
= 1;
756 imb
.subresourceRange
.baseArrayLayer
= 0;
757 imb
.subresourceRange
.layerCount
= 1;
758 imb
.srcQueueFamilyIndex
= device_data
->graphic_queue
->family_index
;
759 imb
.dstQueueFamilyIndex
= device_data
->graphic_queue
->family_index
;
760 device_data
->vtable
.CmdPipelineBarrier(command_buffer
,
761 VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT
,
762 VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT
,
763 0, /* dependency flags */
764 0, nullptr, /* memory barriers */
765 0, nullptr, /* buffer memory barriers */
766 1, &imb
); /* image memory barriers */
768 device_data
->vtable
.CmdBeginRenderPass(command_buffer
, &render_pass_info
,
769 VK_SUBPASS_CONTENTS_INLINE
);
771 /* Create/Resize vertex & index buffers */
772 size_t vertex_size
= draw_data
->TotalVtxCount
* sizeof(ImDrawVert
);
773 size_t index_size
= draw_data
->TotalIdxCount
* sizeof(ImDrawIdx
);
774 if (data
->frame_data
[idx
].vertex_buffer_size
< vertex_size
) {
775 CreateOrResizeBuffer(device_data
,
776 &data
->frame_data
[idx
].vertex_buffer
,
777 &data
->frame_data
[idx
].vertex_buffer_mem
,
778 &data
->frame_data
[idx
].vertex_buffer_size
,
779 vertex_size
, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT
);
781 if (data
->frame_data
[idx
].index_buffer_size
< index_size
) {
782 CreateOrResizeBuffer(device_data
,
783 &data
->frame_data
[idx
].index_buffer
,
784 &data
->frame_data
[idx
].index_buffer_mem
,
785 &data
->frame_data
[idx
].index_buffer_size
,
786 index_size
, VK_BUFFER_USAGE_INDEX_BUFFER_BIT
);
789 /* Upload vertex & index data */
790 VkBuffer vertex_buffer
= data
->frame_data
[idx
].vertex_buffer
;
791 VkDeviceMemory vertex_mem
= data
->frame_data
[idx
].vertex_buffer_mem
;
792 VkBuffer index_buffer
= data
->frame_data
[idx
].index_buffer
;
793 VkDeviceMemory index_mem
= data
->frame_data
[idx
].index_buffer_mem
;
794 ImDrawVert
* vtx_dst
= NULL
;
795 ImDrawIdx
* idx_dst
= NULL
;
796 err
= device_data
->vtable
.MapMemory(device_data
->device
, vertex_mem
,
797 0, vertex_size
, 0, (void**)(&vtx_dst
));
798 check_vk_result(err
);
799 err
= device_data
->vtable
.MapMemory(device_data
->device
, index_mem
,
800 0, index_size
, 0, (void**)(&idx_dst
));
801 check_vk_result(err
);
802 for (int n
= 0; n
< draw_data
->CmdListsCount
; n
++)
804 const ImDrawList
* cmd_list
= draw_data
->CmdLists
[n
];
805 memcpy(vtx_dst
, cmd_list
->VtxBuffer
.Data
, cmd_list
->VtxBuffer
.Size
* sizeof(ImDrawVert
));
806 memcpy(idx_dst
, cmd_list
->IdxBuffer
.Data
, cmd_list
->IdxBuffer
.Size
* sizeof(ImDrawIdx
));
807 vtx_dst
+= cmd_list
->VtxBuffer
.Size
;
808 idx_dst
+= cmd_list
->IdxBuffer
.Size
;
810 VkMappedMemoryRange range
[2] = {};
811 range
[0].sType
= VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE
;
812 range
[0].memory
= vertex_mem
;
813 range
[0].size
= VK_WHOLE_SIZE
;
814 range
[1].sType
= VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE
;
815 range
[1].memory
= index_mem
;
816 range
[1].size
= VK_WHOLE_SIZE
;
817 err
= device_data
->vtable
.FlushMappedMemoryRanges(device_data
->device
, 2, range
);
818 check_vk_result(err
);
819 device_data
->vtable
.UnmapMemory(device_data
->device
, vertex_mem
);
820 device_data
->vtable
.UnmapMemory(device_data
->device
, index_mem
);
822 /* Bind pipeline and descriptor sets */
823 device_data
->vtable
.CmdBindPipeline(command_buffer
, VK_PIPELINE_BIND_POINT_GRAPHICS
, data
->pipeline
);
824 VkDescriptorSet desc_set
[1] = { data
->descriptor_set
};
825 device_data
->vtable
.CmdBindDescriptorSets(command_buffer
, VK_PIPELINE_BIND_POINT_GRAPHICS
,
826 data
->pipeline_layout
, 0, 1, desc_set
, 0, NULL
);
828 /* Bind vertex & index buffers */
829 VkBuffer vertex_buffers
[1] = { vertex_buffer
};
830 VkDeviceSize vertex_offset
[1] = { 0 };
831 device_data
->vtable
.CmdBindVertexBuffers(command_buffer
, 0, 1, vertex_buffers
, vertex_offset
);
832 device_data
->vtable
.CmdBindIndexBuffer(command_buffer
, index_buffer
, 0, VK_INDEX_TYPE_UINT16
);
838 viewport
.width
= draw_data
->DisplaySize
.x
;
839 viewport
.height
= draw_data
->DisplaySize
.y
;
840 viewport
.minDepth
= 0.0f
;
841 viewport
.maxDepth
= 1.0f
;
842 device_data
->vtable
.CmdSetViewport(command_buffer
, 0, 1, &viewport
);
845 /* Setup scale and translation through push constants :
847 * Our visible imgui space lies from draw_data->DisplayPos (top left) to
848 * draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin
849 * is typically (0,0) for single viewport apps.
852 scale
[0] = 2.0f
/ draw_data
->DisplaySize
.x
;
853 scale
[1] = 2.0f
/ draw_data
->DisplaySize
.y
;
855 translate
[0] = -1.0f
- draw_data
->DisplayPos
.x
* scale
[0];
856 translate
[1] = -1.0f
- draw_data
->DisplayPos
.y
* scale
[1];
857 device_data
->vtable
.CmdPushConstants(command_buffer
, data
->pipeline_layout
,
858 VK_SHADER_STAGE_VERTEX_BIT
,
859 sizeof(float) * 0, sizeof(float) * 2, scale
);
860 device_data
->vtable
.CmdPushConstants(command_buffer
, data
->pipeline_layout
,
861 VK_SHADER_STAGE_VERTEX_BIT
,
862 sizeof(float) * 2, sizeof(float) * 2, translate
);
864 // Render the command lists:
867 ImVec2 display_pos
= draw_data
->DisplayPos
;
868 for (int n
= 0; n
< draw_data
->CmdListsCount
; n
++)
870 const ImDrawList
* cmd_list
= draw_data
->CmdLists
[n
];
871 for (int cmd_i
= 0; cmd_i
< cmd_list
->CmdBuffer
.Size
; cmd_i
++)
873 const ImDrawCmd
* pcmd
= &cmd_list
->CmdBuffer
[cmd_i
];
874 // Apply scissor/clipping rectangle
875 // FIXME: We could clamp width/height based on clamped min/max values.
877 scissor
.offset
.x
= (int32_t)(pcmd
->ClipRect
.x
- display_pos
.x
) > 0 ? (int32_t)(pcmd
->ClipRect
.x
- display_pos
.x
) : 0;
878 scissor
.offset
.y
= (int32_t)(pcmd
->ClipRect
.y
- display_pos
.y
) > 0 ? (int32_t)(pcmd
->ClipRect
.y
- display_pos
.y
) : 0;
879 scissor
.extent
.width
= (uint32_t)(pcmd
->ClipRect
.z
- pcmd
->ClipRect
.x
);
880 scissor
.extent
.height
= (uint32_t)(pcmd
->ClipRect
.w
- pcmd
->ClipRect
.y
+ 1); // FIXME: Why +1 here?
881 device_data
->vtable
.CmdSetScissor(command_buffer
, 0, 1, &scissor
);
884 device_data
->vtable
.CmdDrawIndexed(command_buffer
, pcmd
->ElemCount
, 1, idx_offset
, vtx_offset
, 0);
886 idx_offset
+= pcmd
->ElemCount
;
888 vtx_offset
+= cmd_list
->VtxBuffer
.Size
;
891 device_data
->vtable
.CmdEndRenderPass(command_buffer
);
892 device_data
->vtable
.EndCommandBuffer(command_buffer
);
894 if (data
->submission_semaphore
) {
895 device_data
->vtable
.DestroySemaphore(device_data
->device
,
896 data
->submission_semaphore
,
899 /* Submission semaphore */
900 VkSemaphoreCreateInfo semaphore_info
= {};
901 semaphore_info
.sType
= VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO
;
902 err
= device_data
->vtable
.CreateSemaphore(device_data
->device
, &semaphore_info
,
903 NULL
, &data
->submission_semaphore
);
904 check_vk_result(err
);
906 VkSubmitInfo submit_info
= {};
907 submit_info
.sType
= VK_STRUCTURE_TYPE_SUBMIT_INFO
;
908 submit_info
.commandBufferCount
= 1;
909 submit_info
.pCommandBuffers
= &command_buffer
;
910 submit_info
.signalSemaphoreCount
= 1;
911 submit_info
.pSignalSemaphores
= &data
->submission_semaphore
;
913 device_data
->vtable
.WaitForFences(device_data
->device
, 1, &data
->fence
, VK_TRUE
, UINT64_MAX
);
914 device_data
->vtable
.ResetFences(device_data
->device
, 1, &data
->fence
);
915 device_data
->vtable
.QueueSubmit(device_data
->graphic_queue
->queue
, 1, &submit_info
, data
->fence
);
918 static const uint32_t overlay_vert_spv
[] = {
919 #include "overlay.vert.spv.h"
921 static const uint32_t overlay_frag_spv
[] = {
922 #include "overlay.frag.spv.h"
925 static void setup_swapchain_data_pipeline(struct swapchain_data
*data
)
927 struct device_data
*device_data
= data
->device
;
928 VkShaderModule vert_module
, frag_module
;
931 /* Create shader modules */
932 VkShaderModuleCreateInfo vert_info
= {};
933 vert_info
.sType
= VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO
;
934 vert_info
.codeSize
= sizeof(overlay_vert_spv
);
935 vert_info
.pCode
= overlay_vert_spv
;
936 err
= device_data
->vtable
.CreateShaderModule(device_data
->device
,
937 &vert_info
, NULL
, &vert_module
);
938 check_vk_result(err
);
939 VkShaderModuleCreateInfo frag_info
= {};
940 frag_info
.sType
= VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO
;
941 frag_info
.codeSize
= sizeof(overlay_frag_spv
);
942 frag_info
.pCode
= (uint32_t*)overlay_frag_spv
;
943 err
= device_data
->vtable
.CreateShaderModule(device_data
->device
,
944 &frag_info
, NULL
, &frag_module
);
945 check_vk_result(err
);
948 VkSamplerCreateInfo sampler_info
= {};
949 sampler_info
.sType
= VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO
;
950 sampler_info
.magFilter
= VK_FILTER_LINEAR
;
951 sampler_info
.minFilter
= VK_FILTER_LINEAR
;
952 sampler_info
.mipmapMode
= VK_SAMPLER_MIPMAP_MODE_LINEAR
;
953 sampler_info
.addressModeU
= VK_SAMPLER_ADDRESS_MODE_REPEAT
;
954 sampler_info
.addressModeV
= VK_SAMPLER_ADDRESS_MODE_REPEAT
;
955 sampler_info
.addressModeW
= VK_SAMPLER_ADDRESS_MODE_REPEAT
;
956 sampler_info
.minLod
= -1000;
957 sampler_info
.maxLod
= 1000;
958 sampler_info
.maxAnisotropy
= 1.0f
;
959 err
= device_data
->vtable
.CreateSampler(device_data
->device
, &sampler_info
,
960 NULL
, &data
->font_sampler
);
961 check_vk_result(err
);
963 /* Descriptor pool */
964 VkDescriptorPoolSize sampler_pool_size
= {};
965 sampler_pool_size
.type
= VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
;
966 sampler_pool_size
.descriptorCount
= 1;
967 VkDescriptorPoolCreateInfo desc_pool_info
= {};
968 desc_pool_info
.sType
= VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO
;
969 desc_pool_info
.maxSets
= 1;
970 desc_pool_info
.poolSizeCount
= 1;
971 desc_pool_info
.pPoolSizes
= &sampler_pool_size
;
972 err
= device_data
->vtable
.CreateDescriptorPool(device_data
->device
,
974 NULL
, &data
->descriptor_pool
);
975 check_vk_result(err
);
977 /* Descriptor layout */
978 VkSampler sampler
[1] = { data
->font_sampler
};
979 VkDescriptorSetLayoutBinding binding
[1] = {};
980 binding
[0].descriptorType
= VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
;
981 binding
[0].descriptorCount
= 1;
982 binding
[0].stageFlags
= VK_SHADER_STAGE_FRAGMENT_BIT
;
983 binding
[0].pImmutableSamplers
= sampler
;
984 VkDescriptorSetLayoutCreateInfo set_layout_info
= {};
985 set_layout_info
.sType
= VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO
;
986 set_layout_info
.bindingCount
= 1;
987 set_layout_info
.pBindings
= binding
;
988 err
= device_data
->vtable
.CreateDescriptorSetLayout(device_data
->device
,
990 NULL
, &data
->descriptor_layout
);
991 check_vk_result(err
);
994 VkDescriptorSetAllocateInfo alloc_info
= {};
995 alloc_info
.sType
= VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO
;
996 alloc_info
.descriptorPool
= data
->descriptor_pool
;
997 alloc_info
.descriptorSetCount
= 1;
998 alloc_info
.pSetLayouts
= &data
->descriptor_layout
;
999 err
= device_data
->vtable
.AllocateDescriptorSets(device_data
->device
,
1001 &data
->descriptor_set
);
1002 check_vk_result(err
);
1004 /* Constants: we are using 'vec2 offset' and 'vec2 scale' instead of a full
1005 * 3d projection matrix
1007 VkPushConstantRange push_constants
[1] = {};
1008 push_constants
[0].stageFlags
= VK_SHADER_STAGE_VERTEX_BIT
;
1009 push_constants
[0].offset
= sizeof(float) * 0;
1010 push_constants
[0].size
= sizeof(float) * 4;
1011 VkPipelineLayoutCreateInfo layout_info
= {};
1012 layout_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO
;
1013 layout_info
.setLayoutCount
= 1;
1014 layout_info
.pSetLayouts
= &data
->descriptor_layout
;
1015 layout_info
.pushConstantRangeCount
= 1;
1016 layout_info
.pPushConstantRanges
= push_constants
;
1017 err
= device_data
->vtable
.CreatePipelineLayout(device_data
->device
,
1019 NULL
, &data
->pipeline_layout
);
1020 check_vk_result(err
);
1023 VkPipelineShaderStageCreateInfo stage
[2] = {};
1024 stage
[0].sType
= VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO
;
1025 stage
[0].stage
= VK_SHADER_STAGE_VERTEX_BIT
;
1026 stage
[0].module
= vert_module
;
1027 stage
[0].pName
= "main";
1028 stage
[1].sType
= VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO
;
1029 stage
[1].stage
= VK_SHADER_STAGE_FRAGMENT_BIT
;
1030 stage
[1].module
= frag_module
;
1031 stage
[1].pName
= "main";
1033 VkVertexInputBindingDescription binding_desc
[1] = {};
1034 binding_desc
[0].stride
= sizeof(ImDrawVert
);
1035 binding_desc
[0].inputRate
= VK_VERTEX_INPUT_RATE_VERTEX
;
1037 VkVertexInputAttributeDescription attribute_desc
[3] = {};
1038 attribute_desc
[0].location
= 0;
1039 attribute_desc
[0].binding
= binding_desc
[0].binding
;
1040 attribute_desc
[0].format
= VK_FORMAT_R32G32_SFLOAT
;
1041 attribute_desc
[0].offset
= IM_OFFSETOF(ImDrawVert
, pos
);
1042 attribute_desc
[1].location
= 1;
1043 attribute_desc
[1].binding
= binding_desc
[0].binding
;
1044 attribute_desc
[1].format
= VK_FORMAT_R32G32_SFLOAT
;
1045 attribute_desc
[1].offset
= IM_OFFSETOF(ImDrawVert
, uv
);
1046 attribute_desc
[2].location
= 2;
1047 attribute_desc
[2].binding
= binding_desc
[0].binding
;
1048 attribute_desc
[2].format
= VK_FORMAT_R8G8B8A8_UNORM
;
1049 attribute_desc
[2].offset
= IM_OFFSETOF(ImDrawVert
, col
);
1051 VkPipelineVertexInputStateCreateInfo vertex_info
= {};
1052 vertex_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO
;
1053 vertex_info
.vertexBindingDescriptionCount
= 1;
1054 vertex_info
.pVertexBindingDescriptions
= binding_desc
;
1055 vertex_info
.vertexAttributeDescriptionCount
= 3;
1056 vertex_info
.pVertexAttributeDescriptions
= attribute_desc
;
1058 VkPipelineInputAssemblyStateCreateInfo ia_info
= {};
1059 ia_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO
;
1060 ia_info
.topology
= VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST
;
1062 VkPipelineViewportStateCreateInfo viewport_info
= {};
1063 viewport_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO
;
1064 viewport_info
.viewportCount
= 1;
1065 viewport_info
.scissorCount
= 1;
1067 VkPipelineRasterizationStateCreateInfo raster_info
= {};
1068 raster_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO
;
1069 raster_info
.polygonMode
= VK_POLYGON_MODE_FILL
;
1070 raster_info
.cullMode
= VK_CULL_MODE_NONE
;
1071 raster_info
.frontFace
= VK_FRONT_FACE_COUNTER_CLOCKWISE
;
1072 raster_info
.lineWidth
= 1.0f
;
1074 VkPipelineMultisampleStateCreateInfo ms_info
= {};
1075 ms_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO
;
1076 ms_info
.rasterizationSamples
= VK_SAMPLE_COUNT_1_BIT
;
1078 VkPipelineColorBlendAttachmentState color_attachment
[1] = {};
1079 color_attachment
[0].blendEnable
= VK_TRUE
;
1080 color_attachment
[0].srcColorBlendFactor
= VK_BLEND_FACTOR_SRC_ALPHA
;
1081 color_attachment
[0].dstColorBlendFactor
= VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA
;
1082 color_attachment
[0].colorBlendOp
= VK_BLEND_OP_ADD
;
1083 color_attachment
[0].srcAlphaBlendFactor
= VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA
;
1084 color_attachment
[0].dstAlphaBlendFactor
= VK_BLEND_FACTOR_ZERO
;
1085 color_attachment
[0].alphaBlendOp
= VK_BLEND_OP_ADD
;
1086 color_attachment
[0].colorWriteMask
= VK_COLOR_COMPONENT_R_BIT
|
1087 VK_COLOR_COMPONENT_G_BIT
| VK_COLOR_COMPONENT_B_BIT
| VK_COLOR_COMPONENT_A_BIT
;
1089 VkPipelineDepthStencilStateCreateInfo depth_info
= {};
1090 depth_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO
;
1092 VkPipelineColorBlendStateCreateInfo blend_info
= {};
1093 blend_info
.sType
= VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO
;
1094 blend_info
.attachmentCount
= 1;
1095 blend_info
.pAttachments
= color_attachment
;
1097 VkDynamicState dynamic_states
[2] = { VK_DYNAMIC_STATE_VIEWPORT
, VK_DYNAMIC_STATE_SCISSOR
};
1098 VkPipelineDynamicStateCreateInfo dynamic_state
= {};
1099 dynamic_state
.sType
= VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO
;
1100 dynamic_state
.dynamicStateCount
= (uint32_t)IM_ARRAYSIZE(dynamic_states
);
1101 dynamic_state
.pDynamicStates
= dynamic_states
;
1103 VkGraphicsPipelineCreateInfo info
= {};
1104 info
.sType
= VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO
;
1106 info
.stageCount
= 2;
1107 info
.pStages
= stage
;
1108 info
.pVertexInputState
= &vertex_info
;
1109 info
.pInputAssemblyState
= &ia_info
;
1110 info
.pViewportState
= &viewport_info
;
1111 info
.pRasterizationState
= &raster_info
;
1112 info
.pMultisampleState
= &ms_info
;
1113 info
.pDepthStencilState
= &depth_info
;
1114 info
.pColorBlendState
= &blend_info
;
1115 info
.pDynamicState
= &dynamic_state
;
1116 info
.layout
= data
->pipeline_layout
;
1117 info
.renderPass
= data
->render_pass
;
1118 err
= device_data
->vtable
.CreateGraphicsPipelines(device_data
->device
, VK_NULL_HANDLE
,
1120 NULL
, &data
->pipeline
);
1121 check_vk_result(err
);
1123 device_data
->vtable
.DestroyShaderModule(device_data
->device
, vert_module
, NULL
);
1124 device_data
->vtable
.DestroyShaderModule(device_data
->device
, frag_module
, NULL
);
1126 ImGuiIO
& io
= ImGui::GetIO();
1127 unsigned char* pixels
;
1129 io
.Fonts
->GetTexDataAsRGBA32(&pixels
, &width
, &height
);
1132 VkImageCreateInfo image_info
= {};
1133 image_info
.sType
= VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO
;
1134 image_info
.imageType
= VK_IMAGE_TYPE_2D
;
1135 image_info
.format
= VK_FORMAT_R8G8B8A8_UNORM
;
1136 image_info
.extent
.width
= width
;
1137 image_info
.extent
.height
= height
;
1138 image_info
.extent
.depth
= 1;
1139 image_info
.mipLevels
= 1;
1140 image_info
.arrayLayers
= 1;
1141 image_info
.samples
= VK_SAMPLE_COUNT_1_BIT
;
1142 image_info
.tiling
= VK_IMAGE_TILING_OPTIMAL
;
1143 image_info
.usage
= VK_IMAGE_USAGE_SAMPLED_BIT
| VK_IMAGE_USAGE_TRANSFER_DST_BIT
;
1144 image_info
.sharingMode
= VK_SHARING_MODE_EXCLUSIVE
;
1145 image_info
.initialLayout
= VK_IMAGE_LAYOUT_UNDEFINED
;
1146 err
= device_data
->vtable
.CreateImage(device_data
->device
, &image_info
,
1147 NULL
, &data
->font_image
);
1148 check_vk_result(err
);
1149 VkMemoryRequirements font_image_req
;
1150 device_data
->vtable
.GetImageMemoryRequirements(device_data
->device
,
1151 data
->font_image
, &font_image_req
);
1152 VkMemoryAllocateInfo image_alloc_info
= {};
1153 image_alloc_info
.sType
= VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO
;
1154 image_alloc_info
.allocationSize
= font_image_req
.size
;
1155 image_alloc_info
.memoryTypeIndex
= vk_memory_type(device_data
,
1156 VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT
,
1157 font_image_req
.memoryTypeBits
);
1158 err
= device_data
->vtable
.AllocateMemory(device_data
->device
, &image_alloc_info
,
1159 NULL
, &data
->font_mem
);
1160 check_vk_result(err
);
1161 err
= device_data
->vtable
.BindImageMemory(device_data
->device
,
1164 check_vk_result(err
);
1166 /* Font image view */
1167 VkImageViewCreateInfo view_info
= {};
1168 view_info
.sType
= VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO
;
1169 view_info
.image
= data
->font_image
;
1170 view_info
.viewType
= VK_IMAGE_VIEW_TYPE_2D
;
1171 view_info
.format
= VK_FORMAT_R8G8B8A8_UNORM
;
1172 view_info
.subresourceRange
.aspectMask
= VK_IMAGE_ASPECT_COLOR_BIT
;
1173 view_info
.subresourceRange
.levelCount
= 1;
1174 view_info
.subresourceRange
.layerCount
= 1;
1175 err
= device_data
->vtable
.CreateImageView(device_data
->device
, &view_info
,
1176 NULL
, &data
->font_image_view
);
1177 check_vk_result(err
);
1179 /* Descriptor set */
1180 VkDescriptorImageInfo desc_image
[1] = {};
1181 desc_image
[0].sampler
= data
->font_sampler
;
1182 desc_image
[0].imageView
= data
->font_image_view
;
1183 desc_image
[0].imageLayout
= VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
;
1184 VkWriteDescriptorSet write_desc
[1] = {};
1185 write_desc
[0].sType
= VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET
;
1186 write_desc
[0].dstSet
= data
->descriptor_set
;
1187 write_desc
[0].descriptorCount
= 1;
1188 write_desc
[0].descriptorType
= VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
;
1189 write_desc
[0].pImageInfo
= desc_image
;
1190 device_data
->vtable
.UpdateDescriptorSets(device_data
->device
, 1, write_desc
, 0, NULL
);
1193 static void setup_swapchain_data(struct swapchain_data
*data
,
1194 const VkSwapchainCreateInfoKHR
*pCreateInfo
)
1196 data
->width
= pCreateInfo
->imageExtent
.width
;
1197 data
->height
= pCreateInfo
->imageExtent
.height
;
1198 data
->format
= pCreateInfo
->imageFormat
;
1200 data
->imgui_context
= ImGui::CreateContext();
1201 ImGui::SetCurrentContext(data
->imgui_context
);
1203 ImGui::GetIO().IniFilename
= NULL
;
1204 ImGui::GetIO().DisplaySize
= ImVec2((float)data
->width
, (float)data
->height
);
1206 struct device_data
*device_data
= data
->device
;
1210 VkAttachmentDescription attachment_desc
= {};
1211 attachment_desc
.format
= pCreateInfo
->imageFormat
;
1212 attachment_desc
.samples
= VK_SAMPLE_COUNT_1_BIT
;
1213 attachment_desc
.loadOp
= VK_ATTACHMENT_LOAD_OP_LOAD
;
1214 attachment_desc
.storeOp
= VK_ATTACHMENT_STORE_OP_STORE
;
1215 attachment_desc
.stencilLoadOp
= VK_ATTACHMENT_LOAD_OP_DONT_CARE
;
1216 attachment_desc
.stencilStoreOp
= VK_ATTACHMENT_STORE_OP_DONT_CARE
;
1217 attachment_desc
.initialLayout
= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
;
1218 attachment_desc
.finalLayout
= VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
;
1219 VkAttachmentReference color_attachment
= {};
1220 color_attachment
.attachment
= 0;
1221 color_attachment
.layout
= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
;
1222 VkSubpassDescription subpass
= {};
1223 subpass
.pipelineBindPoint
= VK_PIPELINE_BIND_POINT_GRAPHICS
;
1224 subpass
.colorAttachmentCount
= 1;
1225 subpass
.pColorAttachments
= &color_attachment
;
1226 VkSubpassDependency dependency
= {};
1227 dependency
.srcSubpass
= VK_SUBPASS_EXTERNAL
;
1228 dependency
.dstSubpass
= 0;
1229 dependency
.srcStageMask
= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT
;
1230 dependency
.dstStageMask
= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT
;
1231 dependency
.srcAccessMask
= 0;
1232 dependency
.dstAccessMask
= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT
;
1233 VkRenderPassCreateInfo render_pass_info
= {};
1234 render_pass_info
.sType
= VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO
;
1235 render_pass_info
.attachmentCount
= 1;
1236 render_pass_info
.pAttachments
= &attachment_desc
;
1237 render_pass_info
.subpassCount
= 1;
1238 render_pass_info
.pSubpasses
= &subpass
;
1239 render_pass_info
.dependencyCount
= 1;
1240 render_pass_info
.pDependencies
= &dependency
;
1241 err
= device_data
->vtable
.CreateRenderPass(device_data
->device
,
1243 NULL
, &data
->render_pass
);
1244 check_vk_result(err
);
1246 setup_swapchain_data_pipeline(data
);
1248 device_data
->vtable
.GetSwapchainImagesKHR(device_data
->device
,
1252 data
->images
= ralloc_array(data
, VkImage
, data
->n_images
);
1253 data
->image_views
= ralloc_array(data
, VkImageView
, data
->n_images
);
1254 data
->framebuffers
= ralloc_array(data
, VkFramebuffer
, data
->n_images
);
1256 device_data
->vtable
.GetSwapchainImagesKHR(device_data
->device
,
1262 VkImageViewCreateInfo view_info
= {};
1263 view_info
.sType
= VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO
;
1264 view_info
.viewType
= VK_IMAGE_VIEW_TYPE_2D
;
1265 view_info
.format
= pCreateInfo
->imageFormat
;
1266 view_info
.components
.r
= VK_COMPONENT_SWIZZLE_R
;
1267 view_info
.components
.g
= VK_COMPONENT_SWIZZLE_G
;
1268 view_info
.components
.b
= VK_COMPONENT_SWIZZLE_B
;
1269 view_info
.components
.a
= VK_COMPONENT_SWIZZLE_A
;
1270 view_info
.subresourceRange
= { VK_IMAGE_ASPECT_COLOR_BIT
, 0, 1, 0, 1 };
1271 for (uint32_t i
= 0; i
< data
->n_images
; i
++) {
1272 view_info
.image
= data
->images
[i
];
1273 err
= device_data
->vtable
.CreateImageView(device_data
->device
, &view_info
,
1274 NULL
, &data
->image_views
[i
]);
1275 check_vk_result(err
);
1279 VkImageView attachment
[1];
1280 VkFramebufferCreateInfo fb_info
= {};
1281 fb_info
.sType
= VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO
;
1282 fb_info
.renderPass
= data
->render_pass
;
1283 fb_info
.attachmentCount
= 1;
1284 fb_info
.pAttachments
= attachment
;
1285 fb_info
.width
= data
->width
;
1286 fb_info
.height
= data
->height
;
1288 for (uint32_t i
= 0; i
< data
->n_images
; i
++) {
1289 attachment
[0] = data
->image_views
[i
];
1290 err
= device_data
->vtable
.CreateFramebuffer(device_data
->device
, &fb_info
,
1291 NULL
, &data
->framebuffers
[i
]);
1292 check_vk_result(err
);
1295 /* Command buffer */
1296 VkCommandPoolCreateInfo cmd_buffer_pool_info
= {};
1297 cmd_buffer_pool_info
.sType
= VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO
;
1298 cmd_buffer_pool_info
.flags
= VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT
;
1299 cmd_buffer_pool_info
.queueFamilyIndex
= device_data
->graphic_queue
->family_index
;
1300 err
= device_data
->vtable
.CreateCommandPool(device_data
->device
,
1301 &cmd_buffer_pool_info
,
1302 NULL
, &data
->command_pool
);
1303 check_vk_result(err
);
1305 VkCommandBuffer cmd_bufs
[ARRAY_SIZE(data
->frame_data
)];
1307 VkCommandBufferAllocateInfo cmd_buffer_info
= {};
1308 cmd_buffer_info
.sType
= VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO
;
1309 cmd_buffer_info
.commandPool
= data
->command_pool
;
1310 cmd_buffer_info
.level
= VK_COMMAND_BUFFER_LEVEL_PRIMARY
;
1311 cmd_buffer_info
.commandBufferCount
= 2;
1312 err
= device_data
->vtable
.AllocateCommandBuffers(device_data
->device
,
1315 check_vk_result(err
);
1317 for (uint32_t i
= 0; i
< ARRAY_SIZE(data
->frame_data
); i
++)
1318 data
->frame_data
[i
].command_buffer
= cmd_bufs
[i
];
1321 /* Submission fence */
1322 VkFenceCreateInfo fence_info
= {};
1323 fence_info
.sType
= VK_STRUCTURE_TYPE_FENCE_CREATE_INFO
;
1324 fence_info
.flags
= VK_FENCE_CREATE_SIGNALED_BIT
;
1325 err
= device_data
->vtable
.CreateFence(device_data
->device
, &fence_info
,
1326 NULL
, &data
->fence
);
1327 check_vk_result(err
);
1331 static void shutdown_swapchain_data(struct swapchain_data
*data
)
1333 struct device_data
*device_data
= data
->device
;
1335 for (uint32_t i
= 0; i
< data
->n_images
; i
++) {
1336 device_data
->vtable
.DestroyImageView(device_data
->device
, data
->image_views
[i
], NULL
);
1337 device_data
->vtable
.DestroyFramebuffer(device_data
->device
, data
->framebuffers
[i
], NULL
);
1340 device_data
->vtable
.DestroyRenderPass(device_data
->device
, data
->render_pass
, NULL
);
1342 for (uint32_t i
= 0; i
< ARRAY_SIZE(data
->frame_data
); i
++) {
1343 device_data
->vtable
.FreeCommandBuffers(device_data
->device
,
1345 1, &data
->frame_data
[i
].command_buffer
);
1346 if (data
->frame_data
[i
].vertex_buffer
)
1347 device_data
->vtable
.DestroyBuffer(device_data
->device
, data
->frame_data
[i
].vertex_buffer
, NULL
);
1348 if (data
->frame_data
[i
].index_buffer
)
1349 device_data
->vtable
.DestroyBuffer(device_data
->device
, data
->frame_data
[i
].index_buffer
, NULL
);
1350 if (data
->frame_data
[i
].vertex_buffer_mem
)
1351 device_data
->vtable
.FreeMemory(device_data
->device
, data
->frame_data
[i
].vertex_buffer_mem
, NULL
);
1352 if (data
->frame_data
[i
].index_buffer_mem
)
1353 device_data
->vtable
.FreeMemory(device_data
->device
, data
->frame_data
[i
].index_buffer_mem
, NULL
);
1355 device_data
->vtable
.DestroyCommandPool(device_data
->device
, data
->command_pool
, NULL
);
1357 device_data
->vtable
.DestroyFence(device_data
->device
, data
->fence
, NULL
);
1358 if (data
->submission_semaphore
)
1359 device_data
->vtable
.DestroySemaphore(device_data
->device
, data
->submission_semaphore
, NULL
);
1361 device_data
->vtable
.DestroyPipeline(device_data
->device
, data
->pipeline
, NULL
);
1362 device_data
->vtable
.DestroyPipelineLayout(device_data
->device
, data
->pipeline_layout
, NULL
);
1364 device_data
->vtable
.FreeDescriptorSets(device_data
->device
, data
->descriptor_pool
,
1365 1, &data
->descriptor_set
);
1366 device_data
->vtable
.DestroyDescriptorPool(device_data
->device
,
1367 data
->descriptor_pool
, NULL
);
1368 device_data
->vtable
.DestroyDescriptorSetLayout(device_data
->device
,
1369 data
->descriptor_layout
, NULL
);
1371 device_data
->vtable
.DestroySampler(device_data
->device
, data
->font_sampler
, NULL
);
1372 device_data
->vtable
.DestroyImageView(device_data
->device
, data
->font_image_view
, NULL
);
1373 device_data
->vtable
.DestroyImage(device_data
->device
, data
->font_image
, NULL
);
1374 device_data
->vtable
.FreeMemory(device_data
->device
, data
->font_mem
, NULL
);
1376 device_data
->vtable
.DestroyBuffer(device_data
->device
, data
->upload_font_buffer
, NULL
);
1377 device_data
->vtable
.FreeMemory(device_data
->device
, data
->upload_font_buffer_mem
, NULL
);
1379 ImGui::DestroyContext(data
->imgui_context
);
1382 static void before_present(struct swapchain_data
*swapchain_data
,
1383 unsigned imageIndex
)
1385 snapshot_swapchain_frame(swapchain_data
);
1387 compute_swapchain_display(swapchain_data
);
1388 render_swapchain_display(swapchain_data
, imageIndex
);
1391 VKAPI_ATTR VkResult VKAPI_CALL
overlay_CreateSwapchainKHR(
1393 const VkSwapchainCreateInfoKHR
* pCreateInfo
,
1394 const VkAllocationCallbacks
* pAllocator
,
1395 VkSwapchainKHR
* pSwapchain
)
1397 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1398 VkResult result
= device_data
->vtable
.CreateSwapchainKHR(device
, pCreateInfo
, pAllocator
, pSwapchain
);
1399 if (result
!= VK_SUCCESS
) return result
;
1401 struct swapchain_data
*swapchain_data
= new_swapchain_data(*pSwapchain
, device_data
);
1402 setup_swapchain_data(swapchain_data
, pCreateInfo
);
1406 VKAPI_ATTR
void VKAPI_CALL
overlay_DestroySwapchainKHR(
1408 VkSwapchainKHR swapchain
,
1409 const VkAllocationCallbacks
* pAllocator
)
1411 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(swapchain
);
1413 shutdown_swapchain_data(swapchain_data
);
1414 swapchain_data
->device
->vtable
.DestroySwapchainKHR(device
, swapchain
, pAllocator
);
1415 destroy_swapchain_data(swapchain_data
);
1418 VKAPI_ATTR VkResult VKAPI_CALL
overlay_QueuePresentKHR(
1420 const VkPresentInfoKHR
* pPresentInfo
)
1422 struct queue_data
*queue_data
= FIND_QUEUE_DATA(queue
);
1423 struct device_data
*device_data
= queue_data
->device
;
1425 /* If we present on the graphic queue this layer is using to draw an
1426 * overlay, we don't need more than submitting the overlay draw prior to
1429 if (queue_data
== device_data
->graphic_queue
) {
1430 for (uint32_t i
= 0; i
< pPresentInfo
->swapchainCount
; i
++) {
1431 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(pPresentInfo
->pSwapchains
[i
]);
1432 before_present(swapchain_data
, pPresentInfo
->pImageIndices
[i
]);
1434 return queue_data
->device
->vtable
.QueuePresentKHR(queue
, pPresentInfo
);
1437 /* Otherwise we need to do cross queue synchronization to tie the overlay
1438 * draw into the present queue.
1440 VkPresentInfoKHR present_info
= *pPresentInfo
;
1441 VkSemaphore
*semaphores
=
1442 (VkSemaphore
*)malloc(sizeof(VkSemaphore
) * (pPresentInfo
->waitSemaphoreCount
+ pPresentInfo
->swapchainCount
));
1443 for (uint32_t i
= 0; i
< pPresentInfo
->waitSemaphoreCount
; i
++)
1444 semaphores
[i
] = pPresentInfo
->pWaitSemaphores
[i
];
1445 for (uint32_t i
= 0; i
< pPresentInfo
->swapchainCount
; i
++) {
1446 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(pPresentInfo
->pSwapchains
[i
]);
1447 before_present(swapchain_data
, pPresentInfo
->pImageIndices
[i
]);
1448 semaphores
[pPresentInfo
->waitSemaphoreCount
+ i
] = swapchain_data
->submission_semaphore
;
1450 present_info
.pWaitSemaphores
= semaphores
;
1451 present_info
.waitSemaphoreCount
= pPresentInfo
->waitSemaphoreCount
+ pPresentInfo
->swapchainCount
;
1452 VkResult result
= queue_data
->device
->vtable
.QueuePresentKHR(queue
, &present_info
);
1457 VKAPI_ATTR VkResult VKAPI_CALL
overlay_AcquireNextImageKHR(
1459 VkSwapchainKHR swapchain
,
1461 VkSemaphore semaphore
,
1463 uint32_t* pImageIndex
)
1465 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(swapchain
);
1466 struct device_data
*device_data
= swapchain_data
->device
;
1468 uint64_t ts0
= os_time_get();
1469 VkResult result
= device_data
->vtable
.AcquireNextImageKHR(device
, swapchain
, timeout
,
1470 semaphore
, fence
, pImageIndex
);
1471 uint64_t ts1
= os_time_get();
1473 swapchain_data
->acquire_times
[swapchain_data
->n_acquire
%
1474 ARRAY_SIZE(swapchain_data
->acquire_times
)] =
1475 ((double)ts1
- (double)ts0
) / 1000.0;
1476 swapchain_data
->n_acquire
++;
1481 VKAPI_ATTR VkResult VKAPI_CALL
overlay_AcquireNextImage2KHR(
1483 const VkAcquireNextImageInfoKHR
* pAcquireInfo
,
1484 uint32_t* pImageIndex
)
1486 struct swapchain_data
*swapchain_data
= FIND_SWAPCHAIN_DATA(pAcquireInfo
->swapchain
);
1487 struct device_data
*device_data
= swapchain_data
->device
;
1489 uint64_t ts0
= os_time_get();
1490 VkResult result
= device_data
->vtable
.AcquireNextImage2KHR(device
, pAcquireInfo
, pImageIndex
);
1491 uint64_t ts1
= os_time_get();
1493 swapchain_data
->acquire_times
[swapchain_data
->n_acquire
%
1494 ARRAY_SIZE(swapchain_data
->acquire_times
)] =
1495 ((double)ts1
- (double)ts0
) / 1000.0;
1496 swapchain_data
->n_acquire
++;
1501 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDraw(
1502 VkCommandBuffer commandBuffer
,
1503 uint32_t vertexCount
,
1504 uint32_t instanceCount
,
1505 uint32_t firstVertex
,
1506 uint32_t firstInstance
)
1508 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1509 device_data
->vtable
.CmdDraw(commandBuffer
, vertexCount
, instanceCount
,
1510 firstVertex
, firstInstance
);
1511 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw
]++;
1514 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndexed(
1515 VkCommandBuffer commandBuffer
,
1516 uint32_t indexCount
,
1517 uint32_t instanceCount
,
1518 uint32_t firstIndex
,
1519 int32_t vertexOffset
,
1520 uint32_t firstInstance
)
1522 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1523 device_data
->vtable
.CmdDrawIndexed(commandBuffer
, indexCount
, instanceCount
,
1524 firstIndex
, vertexOffset
, firstInstance
);
1525 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indexed
]++;
1528 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndirect(
1529 VkCommandBuffer commandBuffer
,
1531 VkDeviceSize offset
,
1535 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1536 device_data
->vtable
.CmdDrawIndirect(commandBuffer
, buffer
, offset
, drawCount
, stride
);
1537 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indirect
]++;
1540 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndexedIndirect(
1541 VkCommandBuffer commandBuffer
,
1543 VkDeviceSize offset
,
1547 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1548 device_data
->vtable
.CmdDrawIndexedIndirect(commandBuffer
, buffer
, offset
, drawCount
, stride
);
1549 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indexed_indirect
]++;
1552 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndirectCountKHR(
1553 VkCommandBuffer commandBuffer
,
1555 VkDeviceSize offset
,
1556 VkBuffer countBuffer
,
1557 VkDeviceSize countBufferOffset
,
1558 uint32_t maxDrawCount
,
1561 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1562 device_data
->vtable
.CmdDrawIndirectCountKHR(commandBuffer
, buffer
, offset
,
1563 countBuffer
, countBufferOffset
,
1564 maxDrawCount
, stride
);
1565 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indirect_count
]++;
1568 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDrawIndexedIndirectCountKHR(
1569 VkCommandBuffer commandBuffer
,
1571 VkDeviceSize offset
,
1572 VkBuffer countBuffer
,
1573 VkDeviceSize countBufferOffset
,
1574 uint32_t maxDrawCount
,
1577 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1578 device_data
->vtable
.CmdDrawIndexedIndirectCountKHR(commandBuffer
, buffer
, offset
,
1579 countBuffer
, countBufferOffset
,
1580 maxDrawCount
, stride
);
1581 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_draw_indexed_indirect_count
]++;
1584 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDispatch(
1585 VkCommandBuffer commandBuffer
,
1586 uint32_t groupCountX
,
1587 uint32_t groupCountY
,
1588 uint32_t groupCountZ
)
1590 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1591 device_data
->vtable
.CmdDispatch(commandBuffer
, groupCountX
, groupCountY
, groupCountZ
);
1592 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_dispatch
]++;
1595 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdDispatchIndirect(
1596 VkCommandBuffer commandBuffer
,
1598 VkDeviceSize offset
)
1600 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1601 device_data
->vtable
.CmdDispatchIndirect(commandBuffer
, buffer
, offset
);
1602 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_dispatch_indirect
]++;
1605 VKAPI_ATTR
void VKAPI_CALL
overlay_CmdBindPipeline(
1606 VkCommandBuffer commandBuffer
,
1607 VkPipelineBindPoint pipelineBindPoint
,
1608 VkPipeline pipeline
)
1610 struct device_data
*device_data
= FIND_DEVICE_DATA(commandBuffer
);
1611 device_data
->vtable
.CmdBindPipeline(commandBuffer
, pipelineBindPoint
, pipeline
);
1612 switch (pipelineBindPoint
) {
1613 case VK_PIPELINE_BIND_POINT_GRAPHICS
: device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_pipeline_graphics
]++; break;
1614 case VK_PIPELINE_BIND_POINT_COMPUTE
: device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_pipeline_compute
]++; break;
1615 case VK_PIPELINE_BIND_POINT_RAY_TRACING_NV
: device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_pipeline_raytracing
]++; break;
1620 VKAPI_ATTR VkResult VKAPI_CALL
overlay_AllocateCommandBuffers(VkDevice device
,
1621 const VkCommandBufferAllocateInfo
* pAllocateInfo
,
1622 VkCommandBuffer
* pCommandBuffers
)
1624 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1627 device_data
->vtable
.AllocateCommandBuffers(device
, pAllocateInfo
, pCommandBuffers
);
1628 if (result
!= VK_SUCCESS
) return result
;
1630 for (uint32_t i
= 0; i
< pAllocateInfo
->commandBufferCount
; i
++)
1631 map_object(pCommandBuffers
[i
], device_data
);
1636 VKAPI_ATTR
void VKAPI_CALL
overlay_FreeCommandBuffers(VkDevice device
,
1637 VkCommandPool commandPool
,
1638 uint32_t commandBufferCount
,
1639 const VkCommandBuffer
* pCommandBuffers
)
1641 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1643 for (uint32_t i
= 0; i
< commandBufferCount
; i
++)
1644 unmap_object(pCommandBuffers
[i
]);
1646 device_data
->vtable
.FreeCommandBuffers(device
, commandPool
,
1647 commandBufferCount
, pCommandBuffers
);
1650 VKAPI_ATTR VkResult VKAPI_CALL
overlay_QueueSubmit(
1652 uint32_t submitCount
,
1653 const VkSubmitInfo
* pSubmits
,
1656 struct queue_data
*queue_data
= FIND_QUEUE_DATA(queue
);
1657 struct device_data
*device_data
= queue_data
->device
;
1659 device_data
->stats
.stats
[OVERLAY_PARAM_ENABLED_submit
]++;
1661 return device_data
->vtable
.QueueSubmit(queue
, submitCount
, pSubmits
, fence
);
1664 VKAPI_ATTR VkResult VKAPI_CALL
overlay_CreateDevice(
1665 VkPhysicalDevice physicalDevice
,
1666 const VkDeviceCreateInfo
* pCreateInfo
,
1667 const VkAllocationCallbacks
* pAllocator
,
1670 struct instance_data
*instance_data
= FIND_PHYSICAL_DEVICE_DATA(physicalDevice
);
1671 VkLayerDeviceCreateInfo
*chain_info
=
1672 get_device_chain_info(pCreateInfo
, VK_LAYER_LINK_INFO
);
1674 assert(chain_info
->u
.pLayerInfo
);
1675 PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr
= chain_info
->u
.pLayerInfo
->pfnNextGetInstanceProcAddr
;
1676 PFN_vkGetDeviceProcAddr fpGetDeviceProcAddr
= chain_info
->u
.pLayerInfo
->pfnNextGetDeviceProcAddr
;
1677 PFN_vkCreateDevice fpCreateDevice
= (PFN_vkCreateDevice
)fpGetInstanceProcAddr(NULL
, "vkCreateDevice");
1678 if (fpCreateDevice
== NULL
) {
1679 return VK_ERROR_INITIALIZATION_FAILED
;
1682 // Advance the link info for the next element on the chain
1683 chain_info
->u
.pLayerInfo
= chain_info
->u
.pLayerInfo
->pNext
;
1685 VkResult result
= fpCreateDevice(physicalDevice
, pCreateInfo
, pAllocator
, pDevice
);
1686 if (result
!= VK_SUCCESS
) return result
;
1688 struct device_data
*device_data
= new_device_data(*pDevice
, instance_data
);
1689 device_data
->physical_device
= physicalDevice
;
1690 vk_load_device_commands(*pDevice
, fpGetDeviceProcAddr
, &device_data
->vtable
);
1692 instance_data
->vtable
.GetPhysicalDeviceProperties(device_data
->physical_device
,
1693 &device_data
->properties
);
1695 device_map_queues(device_data
, pCreateInfo
);
1700 VKAPI_ATTR
void VKAPI_CALL
overlay_DestroyDevice(
1702 const VkAllocationCallbacks
* pAllocator
)
1704 struct device_data
*device_data
= FIND_DEVICE_DATA(device
);
1705 device_unmap_queues(device_data
);
1706 device_data
->vtable
.DestroyDevice(device
, pAllocator
);
1707 destroy_device_data(device_data
);
1710 VKAPI_ATTR VkResult VKAPI_CALL
overlay_CreateInstance(
1711 const VkInstanceCreateInfo
* pCreateInfo
,
1712 const VkAllocationCallbacks
* pAllocator
,
1713 VkInstance
* pInstance
)
1715 VkLayerInstanceCreateInfo
*chain_info
=
1716 get_instance_chain_info(pCreateInfo
, VK_LAYER_LINK_INFO
);
1718 assert(chain_info
->u
.pLayerInfo
);
1719 PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr
=
1720 chain_info
->u
.pLayerInfo
->pfnNextGetInstanceProcAddr
;
1721 PFN_vkCreateInstance fpCreateInstance
=
1722 (PFN_vkCreateInstance
)fpGetInstanceProcAddr(NULL
, "vkCreateInstance");
1723 if (fpCreateInstance
== NULL
) {
1724 return VK_ERROR_INITIALIZATION_FAILED
;
1727 // Advance the link info for the next element on the chain
1728 chain_info
->u
.pLayerInfo
= chain_info
->u
.pLayerInfo
->pNext
;
1730 VkResult result
= fpCreateInstance(pCreateInfo
, pAllocator
, pInstance
);
1731 if (result
!= VK_SUCCESS
) return result
;
1733 struct instance_data
*instance_data
= new_instance_data(*pInstance
);
1734 vk_load_instance_commands(instance_data
->instance
,
1735 fpGetInstanceProcAddr
,
1736 &instance_data
->vtable
);
1737 instance_data_map_physical_devices(instance_data
, true);
1739 parse_overlay_env(&instance_data
->params
, getenv("VK_LAYER_MESA_OVERLAY_CONFIG"));
1744 VKAPI_ATTR
void VKAPI_CALL
overlay_DestroyInstance(
1745 VkInstance instance
,
1746 const VkAllocationCallbacks
* pAllocator
)
1748 struct instance_data
*instance_data
= FIND_INSTANCE_DATA(instance
);
1749 instance_data_map_physical_devices(instance_data
, false);
1750 instance_data
->vtable
.DestroyInstance(instance
, pAllocator
);
1751 destroy_instance_data(instance_data
);
1754 static const struct {
1757 } name_to_funcptr_map
[] = {
1758 { "vkGetDeviceProcAddr", (void *) vkGetDeviceProcAddr
},
1759 #define ADD_HOOK(fn) { "vk" # fn, (void *) overlay_ ## fn }
1760 ADD_HOOK(AllocateCommandBuffers
),
1763 ADD_HOOK(CmdDrawIndexed
),
1764 ADD_HOOK(CmdDrawIndexedIndirect
),
1765 ADD_HOOK(CmdDispatch
),
1766 ADD_HOOK(CmdDispatchIndirect
),
1767 ADD_HOOK(CmdDrawIndirectCountKHR
),
1768 ADD_HOOK(CmdDrawIndexedIndirectCountKHR
),
1770 ADD_HOOK(CmdBindPipeline
),
1772 ADD_HOOK(CreateSwapchainKHR
),
1773 ADD_HOOK(QueuePresentKHR
),
1774 ADD_HOOK(DestroySwapchainKHR
),
1775 ADD_HOOK(AcquireNextImageKHR
),
1776 ADD_HOOK(AcquireNextImage2KHR
),
1778 ADD_HOOK(QueueSubmit
),
1779 ADD_HOOK(CreateInstance
),
1780 ADD_HOOK(DestroyInstance
),
1781 ADD_HOOK(CreateDevice
),
1782 ADD_HOOK(DestroyDevice
),
1786 static void *find_ptr(const char *name
)
1788 for (uint32_t i
= 0; i
< ARRAY_SIZE(name_to_funcptr_map
); i
++) {
1789 if (strcmp(name
, name_to_funcptr_map
[i
].name
) == 0)
1790 return name_to_funcptr_map
[i
].ptr
;
1796 VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
vkGetDeviceProcAddr(VkDevice dev
,
1797 const char *funcName
)
1799 void *ptr
= find_ptr(funcName
);
1800 if (ptr
) return reinterpret_cast<PFN_vkVoidFunction
>(ptr
);
1802 if (dev
== NULL
) return NULL
;
1804 struct device_data
*device_data
= FIND_DEVICE_DATA(dev
);
1805 if (device_data
->vtable
.GetDeviceProcAddr
== NULL
) return NULL
;
1806 return device_data
->vtable
.GetDeviceProcAddr(dev
, funcName
);
1809 VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
vkGetInstanceProcAddr(VkInstance instance
,
1810 const char *funcName
)
1812 void *ptr
= find_ptr(funcName
);
1813 if (ptr
) return reinterpret_cast<PFN_vkVoidFunction
>(ptr
);
1815 if (instance
== NULL
) return NULL
;
1817 struct instance_data
*instance_data
= FIND_INSTANCE_DATA(instance
);
1818 if (instance_data
->vtable
.GetInstanceProcAddr
== NULL
) return NULL
;
1819 return instance_data
->vtable
.GetInstanceProcAddr(instance
, funcName
);