From 20c370c6b16282424f3a2fc3166132c1ed82863a Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Sat, 19 Jan 2019 21:26:12 +0000 Subject: [PATCH] vulkan: add an overlay layer MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Just a starting point to display frame timings & drawcalls/submissions per frame. Signed-off-by: Lionel Landwerlin Acked-by: Jason Ekstrand +1-by: Mike Lothian +1-by: Tapani Pälli +1-by: Eric Engestrom +1-by: Yurii Kolesnykov +1-by: myfreeweb +1-by: Kenneth Graunke --- meson_options.txt | 6 + src/vulkan/Makefile.am | 8 + src/vulkan/meson.build | 3 + src/vulkan/overlay-layer/README | 22 + .../VkLayer_MESA_overlay.json.in | 11 + src/vulkan/overlay-layer/meson.build | 62 + src/vulkan/overlay-layer/overlay.cpp | 1843 +++++++++++++++++ src/vulkan/overlay-layer/overlay.frag | 14 + src/vulkan/overlay-layer/overlay.vert | 25 + src/vulkan/overlay-layer/vk_layer_table.cpp | 146 ++ src/vulkan/overlay-layer/vk_layer_table.h | 51 + 11 files changed, 2191 insertions(+) create mode 100644 src/vulkan/overlay-layer/README create mode 100644 src/vulkan/overlay-layer/VkLayer_MESA_overlay.json.in create mode 100644 src/vulkan/overlay-layer/meson.build create mode 100644 src/vulkan/overlay-layer/overlay.cpp create mode 100644 src/vulkan/overlay-layer/overlay.frag create mode 100644 src/vulkan/overlay-layer/overlay.vert create mode 100644 src/vulkan/overlay-layer/vk_layer_table.cpp create mode 100644 src/vulkan/overlay-layer/vk_layer_table.h diff --git a/meson_options.txt b/meson_options.txt index d0ab500fb27..4983cb6386a 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -167,6 +167,12 @@ option( value : '', description : 'Location relative to prefix to put vulkan icds on install. Default: $datadir/vulkan/icd.d' ) +option( + 'vulkan-overlay-layer', + type : 'boolean', + value : false, + description : 'Whether to build the vulkan overlay layer' +) option( 'shared-glapi', type : 'boolean', diff --git a/src/vulkan/Makefile.am b/src/vulkan/Makefile.am index cc738d5c9a5..fbd9e300032 100644 --- a/src/vulkan/Makefile.am +++ b/src/vulkan/Makefile.am @@ -9,6 +9,14 @@ MKDIR_GEN = $(AM_V_at)$(MKDIR_P) $(@D) PYTHON_GEN = $(AM_V_GEN)$(PYTHON) $(PYTHON_FLAGS) EXTRA_DIST = \ + overlay-layer/README \ + overlay-layer/meson.build \ + overlay-layer/overlay.cpp \ + overlay-layer/overlay.frag \ + overlay-layer/overlay.vert \ + overlay-layer/VkLayer_MESA_overlay.json.in \ + overlay-layer/vk_layer_table.cpp \ + overlay-layer/vk_layer_table.h \ util/gen_enum_to_str.py \ util/meson.build \ wsi/meson.build \ diff --git a/src/vulkan/meson.build b/src/vulkan/meson.build index 59e1fd1fabe..35d7e5e61d8 100644 --- a/src/vulkan/meson.build +++ b/src/vulkan/meson.build @@ -25,3 +25,6 @@ inc_vulkan_wsi = include_directories('wsi') subdir('util') subdir('wsi') +if get_option('vulkan-overlay-layer') + subdir('overlay-layer') +endif diff --git a/src/vulkan/overlay-layer/README b/src/vulkan/overlay-layer/README new file mode 100644 index 00000000000..d3fb03a7e94 --- /dev/null +++ b/src/vulkan/overlay-layer/README @@ -0,0 +1,22 @@ +A Vulkan layer to display information about the running application +using an overlay. + +To turn on the layer run : +``` +VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay /path/to/my_vulkan_app +``` + +List the available statistics : +``` +VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_STATS=help /path/to/my_vulkan_app +``` + +Turn on some statistics : +``` +VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_STATS=submit,draw,pipeline-graphics /path/to/my_vulkan_app +``` + +Position the layer : +``` +VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_STATS=submit,draw,pipeline-graphics VK_LAYER_MESA_OVERLAY_POSITION=top-right /path/to/my_vulkan_app +``` diff --git a/src/vulkan/overlay-layer/VkLayer_MESA_overlay.json.in b/src/vulkan/overlay-layer/VkLayer_MESA_overlay.json.in new file mode 100644 index 00000000000..5a9a88a9841 --- /dev/null +++ b/src/vulkan/overlay-layer/VkLayer_MESA_overlay.json.in @@ -0,0 +1,11 @@ +{ + "file_format_version" : "1.0.0", + "layer" : { + "name": "VK_LAYER_MESA_overlay", + "type": "GLOBAL", + "library_path": "@install_dir@/libVkLayer_MESA_overlay.so", + "api_version": "1.1.73", + "implementation_version": "1", + "description": "Mesa Overlay layer" + } +} diff --git a/src/vulkan/overlay-layer/meson.build b/src/vulkan/overlay-layer/meson.build new file mode 100644 index 00000000000..573983e0438 --- /dev/null +++ b/src/vulkan/overlay-layer/meson.build @@ -0,0 +1,62 @@ +# Copyright © 2019 Intel Corporation + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +vklayer_install_dir = join_paths(get_option('prefix'), 'share', 'vulkan', 'explicit_layer.d') + +glslang = find_program('glslangValidator') + +overlay_shaders = [ + 'overlay.frag', + 'overlay.vert', +] +overlay_spv = [] +foreach s : ['overlay.frag', 'overlay.vert'] + overlay_spv += custom_target( + s + '.spv.h', input : s, output : s + '.spv.h', + command : [glslang, '-V', '-x', '-o', '@OUTPUT@', '@INPUT@']) +endforeach + +vklayer_files = files( + 'overlay.cpp', + 'vk_layer_table.cpp', +) + +vklayer_mesa_overlay = shared_library( + 'VkLayer_MESA_overlay', + vklayer_files, overlay_spv, + c_args : [c_vis_args, no_override_init_args], + cpp_args : [cpp_vis_args], + dependencies : [libimgui_core_dep, dep_dl], + include_directories : [inc_common, inc_vulkan_util], + link_args : cc.get_supported_link_arguments(['-Wl,-Bsymbolic-functions', '-Wl,-z,relro']), + link_with : [libmesa_util, libvulkan_util], + install_dir : vklayer_install_dir, +) + +sdata = configuration_data() +sdata.set('install_dir', vklayer_install_dir) + +configure_file( + input : 'VkLayer_MESA_overlay.json.in', + output : '@BASENAME@', + configuration : sdata, + install_dir : vklayer_install_dir, + install : true +) diff --git a/src/vulkan/overlay-layer/overlay.cpp b/src/vulkan/overlay-layer/overlay.cpp new file mode 100644 index 00000000000..f3678198b00 --- /dev/null +++ b/src/vulkan/overlay-layer/overlay.cpp @@ -0,0 +1,1843 @@ +/* + * Copyright © 2019 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include +#include +#include + +#include +#include +#include +#include +#include "vk_layer_data.h" +#include "vk_layer_table.h" +#include "vk_layer_extension_utils.h" + +#include "imgui.h" + +#include "util/debug.h" +#include "util/hash_table.h" +#include "util/ralloc.h" +#include "util/os_time.h" +#include "util/simple_mtx.h" + +#include "vk_enum_to_str.h" + +enum layer_position { + LAYER_POSITION_TOP_LEFT, + LAYER_POSITION_TOP_RIGHT, + LAYER_POSITION_BOTTOM_LEFT, + LAYER_POSITION_BOTTOM_RIGHT, +}; + +static enum layer_position +parse_layer_position(const char *str) +{ + if (!str || !strcmp(str, "top-left")) + return LAYER_POSITION_TOP_LEFT; + if (!strcmp(str, "top-right")) + return LAYER_POSITION_TOP_RIGHT; + if (!strcmp(str, "bottom-left")) + return LAYER_POSITION_BOTTOM_LEFT; + if (!strcmp(str, "bottom-right")) + return LAYER_POSITION_BOTTOM_RIGHT; + return LAYER_POSITION_TOP_LEFT; +} + +/* Mapped from VkInstace/VkPhysicalDevice */ +struct instance_data { + VkLayerInstanceDispatchTable vtable; + VkInstance instance; + + enum layer_position position; + uint64_t enabled_stats; +}; + +enum frame_stat_type { + FRAME_STAT_SUBMIT, + FRAME_STAT_DRAW, + FRAME_STAT_DRAW_INDEXED, + FRAME_STAT_DRAW_INDIRECT, + FRAME_STAT_DRAW_INDEXED_INDIRECT, + FRAME_STAT_DRAW_INDIRECT_COUNT, + FRAME_STAT_DRAW_INDEXED_INDIRECT_COUNT, + FRAME_STAT_DISPATCH, + FRAME_STAT_DISPATCH_INDIRECT, + FRAME_STAT_PIPELINE_GRAPHICS, + FRAME_STAT_PIPELINE_COMPUTE, + FRAME_STAT_PIPELINE_RAYTRACING, + + FRAME_STAT_COUNT, + + FRAME_STAT_ACQUIRE_TIMING = FRAME_STAT_COUNT, + FRAME_STAT_HELP, +}; + +#define FRAME_STAT_ENABLED(id) (1ULL << (FRAME_STAT_ ## id)) + +static struct debug_control enable_flags[] = { + { "submit", FRAME_STAT_ENABLED(SUBMIT) }, + { "draw", FRAME_STAT_ENABLED(DRAW) }, + { "draw-indexed", FRAME_STAT_ENABLED(DRAW_INDEXED) }, + { "draw-indirect", FRAME_STAT_ENABLED(DRAW_INDIRECT) }, + { "draw-indexed-indirect", FRAME_STAT_ENABLED(DRAW_INDEXED_INDIRECT) }, + { "draw-indirect-count", FRAME_STAT_ENABLED(DRAW_INDIRECT_COUNT) }, + { "draw-indexed-indirect-count", FRAME_STAT_ENABLED(DRAW_INDEXED_INDIRECT_COUNT) }, + { "dispatch", FRAME_STAT_ENABLED(DISPATCH) }, + { "dispatch-indirect", FRAME_STAT_ENABLED(DISPATCH_INDIRECT) }, + { "pipeline-graphics", FRAME_STAT_ENABLED(PIPELINE_GRAPHICS) }, + { "pipeline-compute", FRAME_STAT_ENABLED(PIPELINE_COMPUTE) }, + { "pipeline-raytracing", FRAME_STAT_ENABLED(PIPELINE_RAYTRACING) }, + { "acquire-timing", FRAME_STAT_ENABLED(ACQUIRE_TIMING) }, + { "help", FRAME_STAT_ENABLED(HELP) }, + { NULL, 0 }, +}; + +struct frame_stat { + uint32_t stats[FRAME_STAT_COUNT]; +}; + +/* Mapped from VkDevice/VkCommandBuffer */ +struct queue_data; +struct device_data { + struct instance_data *instance; + + VkLayerDispatchTable vtable; + VkPhysicalDevice physical_device; + VkDevice device; + + VkPhysicalDeviceProperties properties; + + struct queue_data *graphic_queue; + + struct queue_data **queues; + uint32_t n_queues; + + struct frame_stat stats; +}; + +/* Mapped from VkQueue */ +struct queue_data { + struct device_data *device; + + VkQueue queue; + VkQueueFlags flags; + uint32_t family_index; +}; + +/* Mapped from VkSwapchainKHR */ +struct swapchain_data { + struct device_data *device; + + VkSwapchainKHR swapchain; + unsigned width, height; + VkFormat format; + + uint32_t n_images; + VkImage *images; + VkImageView *image_views; + VkFramebuffer *framebuffers; + + VkRenderPass render_pass; + + VkDescriptorPool descriptor_pool; + VkDescriptorSetLayout descriptor_layout; + VkDescriptorSet descriptor_set; + + VkSampler font_sampler; + + VkPipelineLayout pipeline_layout; + VkPipeline pipeline; + + VkCommandPool command_pool; + + struct { + VkCommandBuffer command_buffer; + + VkBuffer vertex_buffer; + VkDeviceMemory vertex_buffer_mem; + VkDeviceSize vertex_buffer_size; + + VkBuffer index_buffer; + VkDeviceMemory index_buffer_mem; + VkDeviceSize index_buffer_size; + } frame_data[2]; + + bool font_uploaded; + VkImage font_image; + VkImageView font_image_view; + VkDeviceMemory font_mem; + VkBuffer upload_font_buffer; + VkDeviceMemory upload_font_buffer_mem; + + VkFence fence; + VkSemaphore submission_semaphore; + + /**/ + ImGuiContext* imgui_context; + ImVec2 window_size; + + /**/ + uint64_t n_frames; + uint64_t last_present_time; + + double frame_times[200]; + + double acquire_times[200]; + uint64_t n_acquire; + + enum frame_stat_type stat_selector; + struct frame_stat stats_min, stats_max; + struct frame_stat stats[200]; +}; + +static struct hash_table *vk_object_to_data = NULL; +static simple_mtx_t vk_object_to_data_mutex = _SIMPLE_MTX_INITIALIZER_NP; + +thread_local ImGuiContext* __MesaImGui; + +static inline void ensure_vk_object_map(void) +{ + if (!vk_object_to_data) { + vk_object_to_data = _mesa_hash_table_create(NULL, + _mesa_hash_pointer, + _mesa_key_pointer_equal); + } +} + +#define FIND_SWAPCHAIN_DATA(obj) ((struct swapchain_data *)find_object_data((void *) obj)) +#define FIND_DEVICE_DATA(obj) ((struct device_data *)find_object_data((void *) obj)) +#define FIND_QUEUE_DATA(obj) ((struct queue_data *)find_object_data((void *) obj)) +#define FIND_PHYSICAL_DEVICE_DATA(obj) ((struct instance_data *)find_object_data((void *) obj)) +#define FIND_INSTANCE_DATA(obj) ((struct instance_data *)find_object_data((void *) obj)) +static void *find_object_data(void *obj) +{ + simple_mtx_lock(&vk_object_to_data_mutex); + ensure_vk_object_map(); + struct hash_entry *entry = _mesa_hash_table_search(vk_object_to_data, obj); + void *data = entry ? entry->data : NULL; + simple_mtx_unlock(&vk_object_to_data_mutex); + return data; +} + +static void map_object(void *obj, void *data) +{ + simple_mtx_lock(&vk_object_to_data_mutex); + ensure_vk_object_map(); + _mesa_hash_table_insert(vk_object_to_data, obj, data); + simple_mtx_unlock(&vk_object_to_data_mutex); +} + +static void unmap_object(void *obj) +{ + simple_mtx_lock(&vk_object_to_data_mutex); + struct hash_entry *entry = _mesa_hash_table_search(vk_object_to_data, obj); + _mesa_hash_table_remove(vk_object_to_data, entry); + simple_mtx_unlock(&vk_object_to_data_mutex); +} + +/**/ +static struct instance_data *new_instance_data(VkInstance instance) +{ + struct instance_data *data = rzalloc(NULL, struct instance_data); + data->instance = instance; + map_object(data->instance, data); + return data; +} + +static void destroy_instance_data(struct instance_data *data) +{ + unmap_object(data->instance); + ralloc_free(data); +} + +static void instance_data_map_physical_devices(struct instance_data *instance_data, + bool map) +{ + uint32_t physicalDeviceCount = 0; + instance_data->vtable.EnumeratePhysicalDevices(instance_data->instance, + &physicalDeviceCount, + NULL); + + VkPhysicalDevice *physicalDevices = (VkPhysicalDevice *) malloc(sizeof(VkPhysicalDevice) * physicalDeviceCount); + instance_data->vtable.EnumeratePhysicalDevices(instance_data->instance, + &physicalDeviceCount, + physicalDevices); + + for (uint32_t i = 0; i < physicalDeviceCount; i++) { + if (map) + map_object(physicalDevices[i], instance_data); + else + unmap_object(physicalDevices[i]); + } + + free(physicalDevices); +} + +/**/ +static struct device_data *new_device_data(VkDevice device, struct instance_data *instance) +{ + struct device_data *data = rzalloc(NULL, struct device_data); + data->instance = instance; + data->device = device; + map_object(data->device, data); + return data; +} + +static struct queue_data *new_queue_data(VkQueue queue, + const VkQueueFamilyProperties *family_props, + uint32_t family_index, + struct device_data *device_data) +{ + struct queue_data *data = rzalloc(device_data, struct queue_data); + data->device = device_data; + data->queue = queue; + data->flags = family_props->queueFlags; + data->family_index = family_index; + map_object(data->queue, data); + + if (data->flags & VK_QUEUE_GRAPHICS_BIT) + device_data->graphic_queue = data; + + return data; +} + +static void device_map_queues(struct device_data *data, + const VkDeviceCreateInfo *pCreateInfo) +{ + for (uint32_t i = 0; i < pCreateInfo->queueCreateInfoCount; i++) + data->n_queues += pCreateInfo->pQueueCreateInfos[i].queueCount; + data->queues = ralloc_array(data, struct queue_data *, data->n_queues); + + struct instance_data *instance_data = data->instance; + uint32_t n_family_props; + instance_data->vtable.GetPhysicalDeviceQueueFamilyProperties(data->physical_device, + &n_family_props, + NULL); + VkQueueFamilyProperties *family_props = + (VkQueueFamilyProperties *)malloc(sizeof(VkQueueFamilyProperties) * n_family_props); + instance_data->vtable.GetPhysicalDeviceQueueFamilyProperties(data->physical_device, + &n_family_props, + family_props); + + uint32_t queue_index = 0; + for (uint32_t i = 0; i < pCreateInfo->queueCreateInfoCount; i++) { + for (uint32_t j = 0; j < pCreateInfo->pQueueCreateInfos[i].queueCount; j++) { + VkQueue queue; + data->vtable.GetDeviceQueue(data->device, + pCreateInfo->pQueueCreateInfos[i].queueFamilyIndex, + j, &queue); + data->queues[queue_index++] = + new_queue_data(queue, &family_props[pCreateInfo->pQueueCreateInfos[i].queueFamilyIndex], + pCreateInfo->pQueueCreateInfos[i].queueFamilyIndex, data); + } + } + + free(family_props); +} + +static void device_unmap_queues(struct device_data *data) +{ + for (uint32_t i = 0; i < data->n_queues; i++) + unmap_object(data->queues[i]->queue); +} + +static void destroy_device_data(struct device_data *data) +{ + unmap_object(data->device); + ralloc_free(data); +} + +static void check_vk_result(VkResult err) +{ + if (err != VK_SUCCESS) + printf("ERROR!\n"); +} + +/**/ +static struct swapchain_data *new_swapchain_data(VkSwapchainKHR swapchain, + struct device_data *device_data) +{ + struct swapchain_data *data = rzalloc(NULL, struct swapchain_data); + data->device = device_data; + data->swapchain = swapchain; + data->window_size = ImVec2(300, 300); + map_object(data->swapchain, data); + return data; +} + +static void destroy_swapchain_data(struct swapchain_data *data) +{ + unmap_object(data->swapchain); + ralloc_free(data); +} + +static void snapshot_swapchain_frame(struct swapchain_data *data) +{ + uint64_t now = os_time_get(); + + if (data->last_present_time) { + data->frame_times[(data->n_frames - 1) % ARRAY_SIZE(data->frame_times)] = + ((double)now - (double)data->last_present_time) / 1000.0; + } + + struct device_data *device_data = data->device; + data->stats[data->n_frames % ARRAY_SIZE(data->frame_times)] = device_data->stats; + memset(&device_data->stats, 0, sizeof(device_data->stats)); + + data->last_present_time = now; + data->n_frames++; +} + +static float get_frame_timing(void *_data, int _idx) +{ + struct swapchain_data *data = (struct swapchain_data *) _data; + if ((ARRAY_SIZE(data->frame_times) - _idx) > (data->n_frames - 2)) + return 0.0f; + int idx = ARRAY_SIZE(data->frame_times) + + (data->n_frames - 2) < ARRAY_SIZE(data->frame_times) ? + _idx - (data->n_frames - 2) : + _idx + (data->n_frames - 2); + idx %= ARRAY_SIZE(data->frame_times); + return data->frame_times[idx]; +} + +static float get_acquire_timing(void *_data, int _idx) +{ + struct swapchain_data *data = (struct swapchain_data *) _data; + if ((ARRAY_SIZE(data->acquire_times) - _idx) > data->n_acquire) + return 0.0f; + int idx = ARRAY_SIZE(data->acquire_times) + + data->n_acquire < ARRAY_SIZE(data->acquire_times) ? + _idx - data->n_acquire : + _idx + data->n_acquire; + idx %= ARRAY_SIZE(data->acquire_times); + return data->acquire_times[idx]; +} + +static float get_stat(void *_data, int _idx) +{ + struct swapchain_data *data = (struct swapchain_data *) _data; + if ((ARRAY_SIZE(data->stats) - _idx) > data->n_frames) + return 0.0f; + int idx = ARRAY_SIZE(data->stats) + + data->n_frames < ARRAY_SIZE(data->stats) ? + _idx - data->n_frames : + _idx + data->n_frames; + idx %= ARRAY_SIZE(data->stats); + return data->stats[idx].stats[data->stat_selector]; +} + +static void position_layer(struct swapchain_data *data) + +{ + struct device_data *device_data = data->device; + struct instance_data *instance_data = device_data->instance; + + ImGui::SetNextWindowBgAlpha(0.5); + ImGui::SetNextWindowSize(data->window_size, ImGuiCond_Always); + switch (instance_data->position) { + case LAYER_POSITION_TOP_LEFT: + ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always); + break; + case LAYER_POSITION_TOP_RIGHT: + ImGui::SetNextWindowPos(ImVec2(data->width - data->window_size.x, 0), + ImGuiCond_Always); + break; + case LAYER_POSITION_BOTTOM_LEFT: + ImGui::SetNextWindowPos(ImVec2(0, data->height - data->window_size.y), + ImGuiCond_Always); + break; + case LAYER_POSITION_BOTTOM_RIGHT: + ImGui::SetNextWindowPos(ImVec2(data->width - data->window_size.x, + data->height - data->window_size.y), + ImGuiCond_Always); + break; + } +} + +static void compute_swapchain_display(struct swapchain_data *data) +{ + struct device_data *device_data = data->device; + struct instance_data *instance_data = device_data->instance; + + ImGui::SetCurrentContext(data->imgui_context); + ImGui::NewFrame(); + position_layer(data); + ImGui::Begin("Mesa overlay"); + ImGui::Text("Device: %s", device_data->properties.deviceName); + + const char *format_name = vk_Format_to_str(data->format); + format_name = format_name ? (format_name + strlen("VK_FORMAT_")) : "unknown"; + ImGui::Text("Swapchain format: %s", format_name); + ImGui::Text("Frames: %lu", data->n_frames); + + { + double min_time = FLT_MAX, max_time = 0.0f; + for (uint32_t i = 0; i < MIN2(data->n_frames - 2, ARRAY_SIZE(data->frame_times)); i++) { + min_time = MIN2(min_time, data->frame_times[i]); + max_time = MAX2(max_time, data->frame_times[i]); + } + ImGui::PlotHistogram("##Frame timings", get_frame_timing, data, + ARRAY_SIZE(data->frame_times), 0, + NULL, min_time, max_time, + ImVec2(ImGui::GetContentRegionAvailWidth(), 30)); + ImGui::Text("Frame timing: %.3fms [%.3f, %.3f]", + get_frame_timing(data, ARRAY_SIZE(data->frame_times) - 1), + min_time, max_time); + } + + if (instance_data->enabled_stats & FRAME_STAT_ENABLED(ACQUIRE_TIMING)) { + double min_time = FLT_MAX, max_time = 0.0f; + for (uint32_t i = 0; i < MIN2(data->n_acquire - 2, ARRAY_SIZE(data->acquire_times)); i++) { + min_time = MIN2(min_time, data->acquire_times[i]); + max_time = MAX2(max_time, data->acquire_times[i]); + } + ImGui::PlotHistogram("##Acquire timings", get_acquire_timing, data, + ARRAY_SIZE(data->acquire_times), 0, + NULL, min_time, max_time, + ImVec2(ImGui::GetContentRegionAvailWidth(), 30)); + ImGui::Text("Acquire timing: %.3fms [%.3f, %.3f]", + get_acquire_timing(data, ARRAY_SIZE(data->acquire_times) - 1), + min_time, max_time); + + for (uint32_t i = 0; i < ARRAY_SIZE(data->stats_min.stats); i++) { + data->stats_min.stats[i] = UINT32_MAX; + data->stats_max.stats[i] = 0; + } + for (uint32_t i = 0; i < MIN2(data->n_frames - 1, ARRAY_SIZE(data->stats)); i++) { + for (uint32_t j = 0; j < ARRAY_SIZE(data->stats[0].stats); j++) { + data->stats_min.stats[j] = MIN2(data->stats[i].stats[j], + data->stats_min.stats[j]); + data->stats_max.stats[j] = MAX2(data->stats[i].stats[j], + data->stats_max.stats[j]); + } + } + } + + for (uint32_t i = 0; i < ARRAY_SIZE(device_data->stats.stats); i++) { + if (!(instance_data->enabled_stats & (1ULL << i))) + continue; + + char hash[40]; + snprintf(hash, sizeof(hash), "##%s", enable_flags[i].string); + data->stat_selector = (enum frame_stat_type) i; + + ImGui::PlotHistogram(hash, get_stat, data, + ARRAY_SIZE(data->stats), 0, + NULL, + data->stats_min.stats[i], + data->stats_max.stats[i], + ImVec2(ImGui::GetContentRegionAvailWidth(), 30)); + ImGui::Text("%s: %.0f [%u, %u]", enable_flags[i].string, + get_stat(data, ARRAY_SIZE(data->stats) - 1), + data->stats_min.stats[i], data->stats_max.stats[i]); + } + data->window_size = ImVec2(data->window_size.x, ImGui::GetCursorPosY() + 10.0f); + ImGui::End(); + ImGui::EndFrame(); + ImGui::Render(); +} + +static uint32_t vk_memory_type(struct device_data *data, + VkMemoryPropertyFlags properties, + uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + data->instance->vtable.GetPhysicalDeviceMemoryProperties(data->physical_device, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<font_uploaded) + return; + + data->font_uploaded = true; + + struct device_data *device_data = data->device; + VkResult err; + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width * height * 4 * sizeof(char); + + /* Upload buffer */ + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = device_data->vtable.CreateBuffer(device_data->device, &buffer_info, + NULL, &data->upload_font_buffer); + check_vk_result(err); + VkMemoryRequirements upload_buffer_req; + device_data->vtable.GetBufferMemoryRequirements(device_data->device, + data->upload_font_buffer, + &upload_buffer_req); + VkMemoryAllocateInfo upload_alloc_info = {}; + upload_alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + upload_alloc_info.allocationSize = upload_buffer_req.size; + upload_alloc_info.memoryTypeIndex = vk_memory_type(device_data, + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, + upload_buffer_req.memoryTypeBits); + err = device_data->vtable.AllocateMemory(device_data->device, + &upload_alloc_info, + NULL, + &data->upload_font_buffer_mem); + check_vk_result(err); + err = device_data->vtable.BindBufferMemory(device_data->device, + data->upload_font_buffer, + data->upload_font_buffer_mem, 0); + check_vk_result(err); + + /* Upload to Buffer */ + char* map = NULL; + err = device_data->vtable.MapMemory(device_data->device, + data->upload_font_buffer_mem, + 0, upload_size, 0, (void**)(&map)); + check_vk_result(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = data->upload_font_buffer_mem; + range[0].size = upload_size; + err = device_data->vtable.FlushMappedMemoryRanges(device_data->device, 1, range); + check_vk_result(err); + device_data->vtable.UnmapMemory(device_data->device, + data->upload_font_buffer_mem); + + /* Copy buffer to image */ + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = data->font_image; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + device_data->vtable.CmdPipelineBarrier(command_buffer, + VK_PIPELINE_STAGE_HOST_BIT, + VK_PIPELINE_STAGE_TRANSFER_BIT, + 0, 0, NULL, 0, NULL, + 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + device_data->vtable.CmdCopyBufferToImage(command_buffer, + data->upload_font_buffer, + data->font_image, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = data->font_image; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + device_data->vtable.CmdPipelineBarrier(command_buffer, + VK_PIPELINE_STAGE_TRANSFER_BIT, + VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, + 0, + 0, NULL, + 0, NULL, + 1, use_barrier); + + /* Store our identifier */ + io.Fonts->TexID = (ImTextureID)(intptr_t)data->font_image; +} + +static void CreateOrResizeBuffer(struct device_data *data, + VkBuffer *buffer, + VkDeviceMemory *buffer_memory, + VkDeviceSize *buffer_size, + size_t new_size, VkBufferUsageFlagBits usage) +{ + VkResult err; + if (*buffer != VK_NULL_HANDLE) + data->vtable.DestroyBuffer(data->device, *buffer, NULL); + if (*buffer_memory) + data->vtable.FreeMemory(data->device, *buffer_memory, NULL); + + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = new_size; + buffer_info.usage = usage; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = data->vtable.CreateBuffer(data->device, &buffer_info, NULL, buffer); + check_vk_result(err); + + VkMemoryRequirements req; + data->vtable.GetBufferMemoryRequirements(data->device, *buffer, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = + vk_memory_type(data, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = data->vtable.AllocateMemory(data->device, &alloc_info, NULL, buffer_memory); + check_vk_result(err); + + err = data->vtable.BindBufferMemory(data->device, *buffer, *buffer_memory, 0); + check_vk_result(err); + *buffer_size = new_size; +} + +static void render_swapchain_display(struct swapchain_data *data, unsigned image_index) +{ + ImDrawData* draw_data = ImGui::GetDrawData(); + if (draw_data->TotalVtxCount == 0) + return; + + struct device_data *device_data = data->device; + uint32_t idx = data->n_frames % ARRAY_SIZE(data->frame_data); + VkCommandBuffer command_buffer = data->frame_data[idx].command_buffer; + VkResult err; + + device_data->vtable.ResetCommandBuffer(command_buffer, 0); + + VkRenderPassBeginInfo render_pass_info = {}; + render_pass_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + render_pass_info.renderPass = data->render_pass; + render_pass_info.framebuffer = data->framebuffers[image_index]; + render_pass_info.renderArea.extent.width = data->width; + render_pass_info.renderArea.extent.height = data->height; + + VkCommandBufferBeginInfo buffer_begin_info = {}; + buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + + device_data->vtable.BeginCommandBuffer(command_buffer, &buffer_begin_info); + + ensure_swapchain_fonts(data, command_buffer); + + /* Bounce the image to display back to color attachment layout for + * rendering on top of it. + */ + VkImageMemoryBarrier imb; + imb.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + imb.pNext = nullptr; + imb.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; + imb.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + imb.oldLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; + imb.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + imb.image = data->images[image_index]; + imb.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + imb.subresourceRange.baseMipLevel = 0; + imb.subresourceRange.levelCount = 1; + imb.subresourceRange.baseArrayLayer = 0; + imb.subresourceRange.layerCount = 1; + imb.srcQueueFamilyIndex = device_data->graphic_queue->family_index; + imb.dstQueueFamilyIndex = device_data->graphic_queue->family_index; + device_data->vtable.CmdPipelineBarrier(command_buffer, + VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, + VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, + 0, /* dependency flags */ + 0, nullptr, /* memory barriers */ + 0, nullptr, /* buffer memory barriers */ + 1, &imb); /* image memory barriers */ + + device_data->vtable.CmdBeginRenderPass(command_buffer, &render_pass_info, + VK_SUBPASS_CONTENTS_INLINE); + + /* Create/Resize vertex & index buffers */ + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (data->frame_data[idx].vertex_buffer_size < vertex_size) { + CreateOrResizeBuffer(device_data, + &data->frame_data[idx].vertex_buffer, + &data->frame_data[idx].vertex_buffer_mem, + &data->frame_data[idx].vertex_buffer_size, + vertex_size, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT); + } + if (data->frame_data[idx].index_buffer_size < index_size) { + CreateOrResizeBuffer(device_data, + &data->frame_data[idx].index_buffer, + &data->frame_data[idx].index_buffer_mem, + &data->frame_data[idx].index_buffer_size, + index_size, VK_BUFFER_USAGE_INDEX_BUFFER_BIT); + } + + /* Upload vertex & index data */ + VkBuffer vertex_buffer = data->frame_data[idx].vertex_buffer; + VkDeviceMemory vertex_mem = data->frame_data[idx].vertex_buffer_mem; + VkBuffer index_buffer = data->frame_data[idx].index_buffer; + VkDeviceMemory index_mem = data->frame_data[idx].index_buffer_mem; + ImDrawVert* vtx_dst = NULL; + ImDrawIdx* idx_dst = NULL; + err = device_data->vtable.MapMemory(device_data->device, vertex_mem, + 0, vertex_size, 0, (void**)(&vtx_dst)); + check_vk_result(err); + err = device_data->vtable.MapMemory(device_data->device, index_mem, + 0, index_size, 0, (void**)(&idx_dst)); + check_vk_result(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = vertex_mem; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = index_mem; + range[1].size = VK_WHOLE_SIZE; + err = device_data->vtable.FlushMappedMemoryRanges(device_data->device, 2, range); + check_vk_result(err); + device_data->vtable.UnmapMemory(device_data->device, vertex_mem); + device_data->vtable.UnmapMemory(device_data->device, index_mem); + + /* Bind pipeline and descriptor sets */ + device_data->vtable.CmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, data->pipeline); + VkDescriptorSet desc_set[1] = { data->descriptor_set }; + device_data->vtable.CmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, + data->pipeline_layout, 0, 1, desc_set, 0, NULL); + + /* Bind vertex & index buffers */ + VkBuffer vertex_buffers[1] = { vertex_buffer }; + VkDeviceSize vertex_offset[1] = { 0 }; + device_data->vtable.CmdBindVertexBuffers(command_buffer, 0, 1, vertex_buffers, vertex_offset); + device_data->vtable.CmdBindIndexBuffer(command_buffer, index_buffer, 0, VK_INDEX_TYPE_UINT16); + + /* Setup viewport */ + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = draw_data->DisplaySize.x; + viewport.height = draw_data->DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + device_data->vtable.CmdSetViewport(command_buffer, 0, 1, &viewport); + + + /* Setup scale and translation through push constants : + * + * Our visible imgui space lies from draw_data->DisplayPos (top left) to + * draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin + * is typically (0,0) for single viewport apps. + */ + float scale[2]; + scale[0] = 2.0f / draw_data->DisplaySize.x; + scale[1] = 2.0f / draw_data->DisplaySize.y; + float translate[2]; + translate[0] = -1.0f - draw_data->DisplayPos.x * scale[0]; + translate[1] = -1.0f - draw_data->DisplayPos.y * scale[1]; + device_data->vtable.CmdPushConstants(command_buffer, data->pipeline_layout, + VK_SHADER_STAGE_VERTEX_BIT, + sizeof(float) * 0, sizeof(float) * 2, scale); + device_data->vtable.CmdPushConstants(command_buffer, data->pipeline_layout, + VK_SHADER_STAGE_VERTEX_BIT, + sizeof(float) * 2, sizeof(float) * 2, translate); + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + ImVec2 display_pos = draw_data->DisplayPos; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + // Apply scissor/clipping rectangle + // FIXME: We could clamp width/height based on clamped min/max values. + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x - display_pos.x) > 0 ? (int32_t)(pcmd->ClipRect.x - display_pos.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y - display_pos.y) > 0 ? (int32_t)(pcmd->ClipRect.y - display_pos.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + device_data->vtable.CmdSetScissor(command_buffer, 0, 1, &scissor); + + // Draw + device_data->vtable.CmdDrawIndexed(command_buffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } + + device_data->vtable.CmdEndRenderPass(command_buffer); + device_data->vtable.EndCommandBuffer(command_buffer); + + if (data->submission_semaphore) { + device_data->vtable.DestroySemaphore(device_data->device, + data->submission_semaphore, + NULL); + } + /* Submission semaphore */ + VkSemaphoreCreateInfo semaphore_info = {}; + semaphore_info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; + err = device_data->vtable.CreateSemaphore(device_data->device, &semaphore_info, + NULL, &data->submission_semaphore); + check_vk_result(err); + + VkSubmitInfo submit_info = {}; + submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + submit_info.commandBufferCount = 1; + submit_info.pCommandBuffers = &command_buffer; + submit_info.signalSemaphoreCount = 1; + submit_info.pSignalSemaphores = &data->submission_semaphore; + + device_data->vtable.WaitForFences(device_data->device, 1, &data->fence, VK_TRUE, UINT64_MAX); + device_data->vtable.ResetFences(device_data->device, 1, &data->fence); + device_data->vtable.QueueSubmit(device_data->graphic_queue->queue, 1, &submit_info, data->fence); +} + +static const uint32_t overlay_vert_spv[] = { +#include "overlay.vert.spv.h" +}; +static const uint32_t overlay_frag_spv[] = { +#include "overlay.frag.spv.h" +}; + +static void setup_swapchain_data_pipeline(struct swapchain_data *data) +{ + struct device_data *device_data = data->device; + VkShaderModule vert_module, frag_module; + VkResult err; + + /* Create shader modules */ + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(overlay_vert_spv); + vert_info.pCode = overlay_vert_spv; + err = device_data->vtable.CreateShaderModule(device_data->device, + &vert_info, NULL, &vert_module); + check_vk_result(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(overlay_frag_spv); + frag_info.pCode = (uint32_t*)overlay_frag_spv; + err = device_data->vtable.CreateShaderModule(device_data->device, + &frag_info, NULL, &frag_module); + check_vk_result(err); + + /* Font sampler */ + VkSamplerCreateInfo sampler_info = {}; + sampler_info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + sampler_info.magFilter = VK_FILTER_LINEAR; + sampler_info.minFilter = VK_FILTER_LINEAR; + sampler_info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + sampler_info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + sampler_info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + sampler_info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + sampler_info.minLod = -1000; + sampler_info.maxLod = 1000; + sampler_info.maxAnisotropy = 1.0f; + err = device_data->vtable.CreateSampler(device_data->device, &sampler_info, + NULL, &data->font_sampler); + check_vk_result(err); + + /* Descriptor pool */ + VkDescriptorPoolSize sampler_pool_size = {}; + sampler_pool_size.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + sampler_pool_size.descriptorCount = 1; + VkDescriptorPoolCreateInfo desc_pool_info = {}; + desc_pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + desc_pool_info.maxSets = 1; + desc_pool_info.poolSizeCount = 1; + desc_pool_info.pPoolSizes = &sampler_pool_size; + err = device_data->vtable.CreateDescriptorPool(device_data->device, + &desc_pool_info, + NULL, &data->descriptor_pool); + check_vk_result(err); + + /* Descriptor layout */ + VkSampler sampler[1] = { data->font_sampler }; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo set_layout_info = {}; + set_layout_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + set_layout_info.bindingCount = 1; + set_layout_info.pBindings = binding; + err = device_data->vtable.CreateDescriptorSetLayout(device_data->device, + &set_layout_info, + NULL, &data->descriptor_layout); + check_vk_result(err); + + /* Descriptor set */ + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = data->descriptor_pool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &data->descriptor_layout; + err = device_data->vtable.AllocateDescriptorSets(device_data->device, + &alloc_info, + &data->descriptor_set); + check_vk_result(err); + + /* Constants: we are using 'vec2 offset' and 'vec2 scale' instead of a full + * 3d projection matrix + */ + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = &data->descriptor_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = device_data->vtable.CreatePipelineLayout(device_data->device, + &layout_info, + NULL, &data->pipeline_layout); + check_vk_result(err); + + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = IM_OFFSETOF(ImDrawVert, pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = IM_OFFSETOF(ImDrawVert, uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = IM_OFFSETOF(ImDrawVert, col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | + VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = (uint32_t)IM_ARRAYSIZE(dynamic_states); + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = 0; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = data->pipeline_layout; + info.renderPass = data->render_pass; + err = device_data->vtable.CreateGraphicsPipelines(device_data->device, VK_NULL_HANDLE, + 1, &info, + NULL, &data->pipeline); + check_vk_result(err); + + device_data->vtable.DestroyShaderModule(device_data->device, vert_module, NULL); + device_data->vtable.DestroyShaderModule(device_data->device, frag_module, NULL); + + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + /* Font image */ + VkImageCreateInfo image_info = {}; + image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + image_info.imageType = VK_IMAGE_TYPE_2D; + image_info.format = VK_FORMAT_R8G8B8A8_UNORM; + image_info.extent.width = width; + image_info.extent.height = height; + image_info.extent.depth = 1; + image_info.mipLevels = 1; + image_info.arrayLayers = 1; + image_info.samples = VK_SAMPLE_COUNT_1_BIT; + image_info.tiling = VK_IMAGE_TILING_OPTIMAL; + image_info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = device_data->vtable.CreateImage(device_data->device, &image_info, + NULL, &data->font_image); + check_vk_result(err); + VkMemoryRequirements font_image_req; + device_data->vtable.GetImageMemoryRequirements(device_data->device, + data->font_image, &font_image_req); + VkMemoryAllocateInfo image_alloc_info = {}; + image_alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + image_alloc_info.allocationSize = font_image_req.size; + image_alloc_info.memoryTypeIndex = vk_memory_type(device_data, + VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, + font_image_req.memoryTypeBits); + err = device_data->vtable.AllocateMemory(device_data->device, &image_alloc_info, + NULL, &data->font_mem); + check_vk_result(err); + err = device_data->vtable.BindImageMemory(device_data->device, + data->font_image, + data->font_mem, 0); + check_vk_result(err); + + /* Font image view */ + VkImageViewCreateInfo view_info = {}; + view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + view_info.image = data->font_image; + view_info.viewType = VK_IMAGE_VIEW_TYPE_2D; + view_info.format = VK_FORMAT_R8G8B8A8_UNORM; + view_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + view_info.subresourceRange.levelCount = 1; + view_info.subresourceRange.layerCount = 1; + err = device_data->vtable.CreateImageView(device_data->device, &view_info, + NULL, &data->font_image_view); + check_vk_result(err); + + /* Descriptor set */ + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = data->font_sampler; + desc_image[0].imageView = data->font_image_view; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = data->descriptor_set; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + device_data->vtable.UpdateDescriptorSets(device_data->device, 1, write_desc, 0, NULL); +} + +static void setup_swapchain_data(struct swapchain_data *data, + const VkSwapchainCreateInfoKHR *pCreateInfo) +{ + data->width = pCreateInfo->imageExtent.width; + data->height = pCreateInfo->imageExtent.height; + data->format = pCreateInfo->imageFormat; + + data->imgui_context = ImGui::CreateContext(); + ImGui::SetCurrentContext(data->imgui_context); + + ImGui::GetIO().IniFilename = NULL; + ImGui::GetIO().DisplaySize = ImVec2((float)data->width, (float)data->height); + + struct device_data *device_data = data->device; + VkResult err; + + /* Render pass */ + VkAttachmentDescription attachment_desc = {}; + attachment_desc.format = pCreateInfo->imageFormat; + attachment_desc.samples = VK_SAMPLE_COUNT_1_BIT; + attachment_desc.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD; + attachment_desc.storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attachment_desc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachment_desc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachment_desc.initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + attachment_desc.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; + VkAttachmentReference color_attachment = {}; + color_attachment.attachment = 0; + color_attachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + VkSubpassDescription subpass = {}; + subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpass.colorAttachmentCount = 1; + subpass.pColorAttachments = &color_attachment; + VkSubpassDependency dependency = {}; + dependency.srcSubpass = VK_SUBPASS_EXTERNAL; + dependency.dstSubpass = 0; + dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependency.srcAccessMask = 0; + dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + VkRenderPassCreateInfo render_pass_info = {}; + render_pass_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; + render_pass_info.attachmentCount = 1; + render_pass_info.pAttachments = &attachment_desc; + render_pass_info.subpassCount = 1; + render_pass_info.pSubpasses = &subpass; + render_pass_info.dependencyCount = 1; + render_pass_info.pDependencies = &dependency; + err = device_data->vtable.CreateRenderPass(device_data->device, + &render_pass_info, + NULL, &data->render_pass); + check_vk_result(err); + + setup_swapchain_data_pipeline(data); + + device_data->vtable.GetSwapchainImagesKHR(device_data->device, + data->swapchain, + &data->n_images, + NULL); + data->images = ralloc_array(data, VkImage, data->n_images); + data->image_views = ralloc_array(data, VkImageView, data->n_images); + data->framebuffers = ralloc_array(data, VkFramebuffer, data->n_images); + + device_data->vtable.GetSwapchainImagesKHR(device_data->device, + data->swapchain, + &data->n_images, + data->images); + + /* Image views */ + VkImageViewCreateInfo view_info = {}; + view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + view_info.viewType = VK_IMAGE_VIEW_TYPE_2D; + view_info.format = pCreateInfo->imageFormat; + view_info.components.r = VK_COMPONENT_SWIZZLE_R; + view_info.components.g = VK_COMPONENT_SWIZZLE_G; + view_info.components.b = VK_COMPONENT_SWIZZLE_B; + view_info.components.a = VK_COMPONENT_SWIZZLE_A; + view_info.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }; + for (uint32_t i = 0; i < data->n_images; i++) { + view_info.image = data->images[i]; + err = device_data->vtable.CreateImageView(device_data->device, &view_info, + NULL, &data->image_views[i]); + check_vk_result(err); + } + + /* Framebuffers */ + VkImageView attachment[1]; + VkFramebufferCreateInfo fb_info = {}; + fb_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; + fb_info.renderPass = data->render_pass; + fb_info.attachmentCount = 1; + fb_info.pAttachments = attachment; + fb_info.width = data->width; + fb_info.height = data->height; + fb_info.layers = 1; + for (uint32_t i = 0; i < data->n_images; i++) { + attachment[0] = data->image_views[i]; + err = device_data->vtable.CreateFramebuffer(device_data->device, &fb_info, + NULL, &data->framebuffers[i]); + check_vk_result(err); + } + + /* Command buffer */ + VkCommandPoolCreateInfo cmd_buffer_pool_info = {}; + cmd_buffer_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; + cmd_buffer_pool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; + cmd_buffer_pool_info.queueFamilyIndex = device_data->graphic_queue->family_index; + err = device_data->vtable.CreateCommandPool(device_data->device, + &cmd_buffer_pool_info, + NULL, &data->command_pool); + check_vk_result(err); + + VkCommandBuffer cmd_bufs[ARRAY_SIZE(data->frame_data)]; + + VkCommandBufferAllocateInfo cmd_buffer_info = {}; + cmd_buffer_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; + cmd_buffer_info.commandPool = data->command_pool; + cmd_buffer_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; + cmd_buffer_info.commandBufferCount = 2; + err = device_data->vtable.AllocateCommandBuffers(device_data->device, + &cmd_buffer_info, + cmd_bufs); + check_vk_result(err); + + for (uint32_t i = 0; i < ARRAY_SIZE(data->frame_data); i++) + data->frame_data[i].command_buffer = cmd_bufs[i]; + + + /* Submission fence */ + VkFenceCreateInfo fence_info = {}; + fence_info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; + fence_info.flags = VK_FENCE_CREATE_SIGNALED_BIT; + err = device_data->vtable.CreateFence(device_data->device, &fence_info, + NULL, &data->fence); + check_vk_result(err); + +} + +static void shutdown_swapchain_data(struct swapchain_data *data) +{ + struct device_data *device_data = data->device; + + for (uint32_t i = 0; i < data->n_images; i++) { + device_data->vtable.DestroyImageView(device_data->device, data->image_views[i], NULL); + device_data->vtable.DestroyFramebuffer(device_data->device, data->framebuffers[i], NULL); + } + + device_data->vtable.DestroyRenderPass(device_data->device, data->render_pass, NULL); + + for (uint32_t i = 0; i < ARRAY_SIZE(data->frame_data); i++) { + device_data->vtable.FreeCommandBuffers(device_data->device, + data->command_pool, + 1, &data->frame_data[i].command_buffer); + if (data->frame_data[i].vertex_buffer) + device_data->vtable.DestroyBuffer(device_data->device, data->frame_data[i].vertex_buffer, NULL); + if (data->frame_data[i].index_buffer) + device_data->vtable.DestroyBuffer(device_data->device, data->frame_data[i].index_buffer, NULL); + if (data->frame_data[i].vertex_buffer_mem) + device_data->vtable.FreeMemory(device_data->device, data->frame_data[i].vertex_buffer_mem, NULL); + if (data->frame_data[i].index_buffer_mem) + device_data->vtable.FreeMemory(device_data->device, data->frame_data[i].index_buffer_mem, NULL); + } + device_data->vtable.DestroyCommandPool(device_data->device, data->command_pool, NULL); + + device_data->vtable.DestroyFence(device_data->device, data->fence, NULL); + if (data->submission_semaphore) + device_data->vtable.DestroySemaphore(device_data->device, data->submission_semaphore, NULL); + + device_data->vtable.DestroyPipeline(device_data->device, data->pipeline, NULL); + device_data->vtable.DestroyPipelineLayout(device_data->device, data->pipeline_layout, NULL); + + device_data->vtable.FreeDescriptorSets(device_data->device, data->descriptor_pool, + 1, &data->descriptor_set); + device_data->vtable.DestroyDescriptorPool(device_data->device, + data->descriptor_pool, NULL); + device_data->vtable.DestroyDescriptorSetLayout(device_data->device, + data->descriptor_layout, NULL); + + device_data->vtable.DestroySampler(device_data->device, data->font_sampler, NULL); + device_data->vtable.DestroyImageView(device_data->device, data->font_image_view, NULL); + device_data->vtable.DestroyImage(device_data->device, data->font_image, NULL); + device_data->vtable.FreeMemory(device_data->device, data->font_mem, NULL); + + device_data->vtable.DestroyBuffer(device_data->device, data->upload_font_buffer, NULL); + device_data->vtable.FreeMemory(device_data->device, data->upload_font_buffer_mem, NULL); + + ImGui::DestroyContext(data->imgui_context); +} + +static void before_present(struct swapchain_data *swapchain_data, + unsigned imageIndex) +{ + snapshot_swapchain_frame(swapchain_data); + + compute_swapchain_display(swapchain_data); + render_swapchain_display(swapchain_data, imageIndex); +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_CreateSwapchainKHR( + VkDevice device, + const VkSwapchainCreateInfoKHR* pCreateInfo, + const VkAllocationCallbacks* pAllocator, + VkSwapchainKHR* pSwapchain) +{ + struct device_data *device_data = FIND_DEVICE_DATA(device); + VkResult result = device_data->vtable.CreateSwapchainKHR(device, pCreateInfo, pAllocator, pSwapchain); + if (result != VK_SUCCESS) return result; + + struct swapchain_data *swapchain_data = new_swapchain_data(*pSwapchain, device_data); + setup_swapchain_data(swapchain_data, pCreateInfo); + return result; +} + +VKAPI_ATTR void VKAPI_CALL overlay_DestroySwapchainKHR( + VkDevice device, + VkSwapchainKHR swapchain, + const VkAllocationCallbacks* pAllocator) +{ + struct swapchain_data *swapchain_data = FIND_SWAPCHAIN_DATA(swapchain); + + shutdown_swapchain_data(swapchain_data); + swapchain_data->device->vtable.DestroySwapchainKHR(device, swapchain, pAllocator); + destroy_swapchain_data(swapchain_data); +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_QueuePresentKHR( + VkQueue queue, + const VkPresentInfoKHR* pPresentInfo) +{ + struct queue_data *queue_data = FIND_QUEUE_DATA(queue); + struct device_data *device_data = queue_data->device; + + /* If we present on the graphic queue this layer is using to draw an + * overlay, we don't need more than submitting the overlay draw prior to + * present. + */ + if (queue_data == device_data->graphic_queue) { + for (uint32_t i = 0; i < pPresentInfo->swapchainCount; i++) { + struct swapchain_data *swapchain_data = FIND_SWAPCHAIN_DATA(pPresentInfo->pSwapchains[i]); + before_present(swapchain_data, pPresentInfo->pImageIndices[i]); + } + return queue_data->device->vtable.QueuePresentKHR(queue, pPresentInfo); + } + + /* Otherwise we need to do cross queue synchronization to tie the overlay + * draw into the present queue. + */ + VkPresentInfoKHR present_info = *pPresentInfo; + VkSemaphore *semaphores = + (VkSemaphore *)malloc(sizeof(VkSemaphore) * (pPresentInfo->waitSemaphoreCount + pPresentInfo->swapchainCount)); + for (uint32_t i = 0; i < pPresentInfo->waitSemaphoreCount; i++) + semaphores[i] = pPresentInfo->pWaitSemaphores[i]; + for (uint32_t i = 0; i < pPresentInfo->swapchainCount; i++) { + struct swapchain_data *swapchain_data = FIND_SWAPCHAIN_DATA(pPresentInfo->pSwapchains[i]); + before_present(swapchain_data, pPresentInfo->pImageIndices[i]); + semaphores[pPresentInfo->waitSemaphoreCount + i] = swapchain_data->submission_semaphore; + } + present_info.pWaitSemaphores = semaphores; + present_info.waitSemaphoreCount = pPresentInfo->waitSemaphoreCount + pPresentInfo->swapchainCount; + VkResult result = queue_data->device->vtable.QueuePresentKHR(queue, &present_info); + free(semaphores); + return result; +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_AcquireNextImageKHR( + VkDevice device, + VkSwapchainKHR swapchain, + uint64_t timeout, + VkSemaphore semaphore, + VkFence fence, + uint32_t* pImageIndex) +{ + struct swapchain_data *swapchain_data = FIND_SWAPCHAIN_DATA(swapchain); + struct device_data *device_data = swapchain_data->device; + + uint64_t ts0 = os_time_get(); + VkResult result = device_data->vtable.AcquireNextImageKHR(device, swapchain, timeout, + semaphore, fence, pImageIndex); + uint64_t ts1 = os_time_get(); + + swapchain_data->acquire_times[swapchain_data->n_acquire % + ARRAY_SIZE(swapchain_data->acquire_times)] = + ((double)ts1 - (double)ts0) / 1000.0; + swapchain_data->n_acquire++; + + return result; +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_AcquireNextImage2KHR( + VkDevice device, + const VkAcquireNextImageInfoKHR* pAcquireInfo, + uint32_t* pImageIndex) +{ + struct swapchain_data *swapchain_data = FIND_SWAPCHAIN_DATA(pAcquireInfo->swapchain); + struct device_data *device_data = swapchain_data->device; + + uint64_t ts0 = os_time_get(); + VkResult result = device_data->vtable.AcquireNextImage2KHR(device, pAcquireInfo, pImageIndex); + uint64_t ts1 = os_time_get(); + + swapchain_data->acquire_times[swapchain_data->n_acquire % + ARRAY_SIZE(swapchain_data->acquire_times)] = + ((double)ts1 - (double)ts0) / 1000.0; + swapchain_data->n_acquire++; + + return result; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDraw( + VkCommandBuffer commandBuffer, + uint32_t vertexCount, + uint32_t instanceCount, + uint32_t firstVertex, + uint32_t firstInstance) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDraw(commandBuffer, vertexCount, instanceCount, + firstVertex, firstInstance); + device_data->stats.stats[FRAME_STAT_DRAW]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDrawIndexed( + VkCommandBuffer commandBuffer, + uint32_t indexCount, + uint32_t instanceCount, + uint32_t firstIndex, + int32_t vertexOffset, + uint32_t firstInstance) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDrawIndexed(commandBuffer, indexCount, instanceCount, + firstIndex, vertexOffset, firstInstance); + device_data->stats.stats[FRAME_STAT_DRAW_INDEXED]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDrawIndirect( + VkCommandBuffer commandBuffer, + VkBuffer buffer, + VkDeviceSize offset, + uint32_t drawCount, + uint32_t stride) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDrawIndirect(commandBuffer, buffer, offset, drawCount, stride); + device_data->stats.stats[FRAME_STAT_DRAW_INDIRECT]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDrawIndexedIndirect( + VkCommandBuffer commandBuffer, + VkBuffer buffer, + VkDeviceSize offset, + uint32_t drawCount, + uint32_t stride) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDrawIndexedIndirect(commandBuffer, buffer, offset, drawCount, stride); + device_data->stats.stats[FRAME_STAT_DRAW_INDEXED_INDIRECT]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDrawIndirectCountKHR( + VkCommandBuffer commandBuffer, + VkBuffer buffer, + VkDeviceSize offset, + VkBuffer countBuffer, + VkDeviceSize countBufferOffset, + uint32_t maxDrawCount, + uint32_t stride) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDrawIndirectCountKHR(commandBuffer, buffer, offset, + countBuffer, countBufferOffset, + maxDrawCount, stride); + device_data->stats.stats[FRAME_STAT_DRAW_INDIRECT_COUNT]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDrawIndexedIndirectCountKHR( + VkCommandBuffer commandBuffer, + VkBuffer buffer, + VkDeviceSize offset, + VkBuffer countBuffer, + VkDeviceSize countBufferOffset, + uint32_t maxDrawCount, + uint32_t stride) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDrawIndexedIndirectCountKHR(commandBuffer, buffer, offset, + countBuffer, countBufferOffset, + maxDrawCount, stride); + device_data->stats.stats[FRAME_STAT_DRAW_INDEXED_INDIRECT_COUNT]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDispatch( + VkCommandBuffer commandBuffer, + uint32_t groupCountX, + uint32_t groupCountY, + uint32_t groupCountZ) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDispatch(commandBuffer, groupCountX, groupCountY, groupCountZ); + device_data->stats.stats[FRAME_STAT_DISPATCH]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdDispatchIndirect( + VkCommandBuffer commandBuffer, + VkBuffer buffer, + VkDeviceSize offset) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdDispatchIndirect(commandBuffer, buffer, offset); + device_data->stats.stats[FRAME_STAT_DISPATCH_INDIRECT]++; +} + +VKAPI_ATTR void VKAPI_CALL overlay_CmdBindPipeline( + VkCommandBuffer commandBuffer, + VkPipelineBindPoint pipelineBindPoint, + VkPipeline pipeline) +{ + struct device_data *device_data = FIND_DEVICE_DATA(commandBuffer); + device_data->vtable.CmdBindPipeline(commandBuffer, pipelineBindPoint, pipeline); + switch (pipelineBindPoint) { + case VK_PIPELINE_BIND_POINT_GRAPHICS: device_data->stats.stats[FRAME_STAT_PIPELINE_GRAPHICS]++; break; + case VK_PIPELINE_BIND_POINT_COMPUTE: device_data->stats.stats[FRAME_STAT_PIPELINE_COMPUTE]++; break; + case VK_PIPELINE_BIND_POINT_RAY_TRACING_NV: device_data->stats.stats[FRAME_STAT_PIPELINE_RAYTRACING]++; break; + default: break; + } +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_AllocateCommandBuffers(VkDevice device, + const VkCommandBufferAllocateInfo* pAllocateInfo, + VkCommandBuffer* pCommandBuffers) +{ + struct device_data *device_data = FIND_DEVICE_DATA(device); + + VkResult result = + device_data->vtable.AllocateCommandBuffers(device, pAllocateInfo, pCommandBuffers); + if (result != VK_SUCCESS) return result; + + for (uint32_t i = 0; i < pAllocateInfo->commandBufferCount; i++) + map_object(pCommandBuffers[i], device_data); + + return result; +} + +VKAPI_ATTR void VKAPI_CALL overlay_FreeCommandBuffers(VkDevice device, + VkCommandPool commandPool, + uint32_t commandBufferCount, + const VkCommandBuffer* pCommandBuffers) +{ + struct device_data *device_data = FIND_DEVICE_DATA(device); + + for (uint32_t i = 0; i < commandBufferCount; i++) + unmap_object(pCommandBuffers[i]); + + device_data->vtable.FreeCommandBuffers(device, commandPool, + commandBufferCount, pCommandBuffers); +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_QueueSubmit( + VkQueue queue, + uint32_t submitCount, + const VkSubmitInfo* pSubmits, + VkFence fence) +{ + struct queue_data *queue_data = FIND_QUEUE_DATA(queue); + struct device_data *device_data = queue_data->device; + + device_data->stats.stats[FRAME_STAT_SUBMIT]++; + + return device_data->vtable.QueueSubmit(queue, submitCount, pSubmits, fence); +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_CreateDevice( + VkPhysicalDevice physicalDevice, + const VkDeviceCreateInfo* pCreateInfo, + const VkAllocationCallbacks* pAllocator, + VkDevice* pDevice) +{ + struct instance_data *instance_data = FIND_PHYSICAL_DEVICE_DATA(physicalDevice); + VkLayerDeviceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO); + + assert(chain_info->u.pLayerInfo); + PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr; + PFN_vkGetDeviceProcAddr fpGetDeviceProcAddr = chain_info->u.pLayerInfo->pfnNextGetDeviceProcAddr; + PFN_vkCreateDevice fpCreateDevice = (PFN_vkCreateDevice)fpGetInstanceProcAddr(NULL, "vkCreateDevice"); + if (fpCreateDevice == NULL) { + return VK_ERROR_INITIALIZATION_FAILED; + } + + // Advance the link info for the next element on the chain + chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext; + + VkResult result = fpCreateDevice(physicalDevice, pCreateInfo, pAllocator, pDevice); + if (result != VK_SUCCESS) return result; + + struct device_data *device_data = new_device_data(*pDevice, instance_data); + device_data->physical_device = physicalDevice; + layer_init_device_dispatch_table(*pDevice, &device_data->vtable, fpGetDeviceProcAddr); + + instance_data->vtable.GetPhysicalDeviceProperties(device_data->physical_device, + &device_data->properties); + + device_map_queues(device_data, pCreateInfo); + + return result; +} + +VKAPI_ATTR void VKAPI_CALL overlay_DestroyDevice( + VkDevice device, + const VkAllocationCallbacks* pAllocator) +{ + struct device_data *device_data = FIND_DEVICE_DATA(device); + device_unmap_queues(device_data); + device_data->vtable.DestroyDevice(device, pAllocator); + destroy_device_data(device_data); +} + +VKAPI_ATTR VkResult VKAPI_CALL overlay_CreateInstance( + const VkInstanceCreateInfo* pCreateInfo, + const VkAllocationCallbacks* pAllocator, + VkInstance* pInstance) +{ + VkLayerInstanceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO); + + assert(chain_info->u.pLayerInfo); + PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = + chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr; + PFN_vkCreateInstance fpCreateInstance = + (PFN_vkCreateInstance)fpGetInstanceProcAddr(NULL, "vkCreateInstance"); + if (fpCreateInstance == NULL) { + return VK_ERROR_INITIALIZATION_FAILED; + } + + // Advance the link info for the next element on the chain + chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext; + + VkResult result = fpCreateInstance(pCreateInfo, pAllocator, pInstance); + if (result != VK_SUCCESS) return result; + + struct instance_data *instance_data = new_instance_data(*pInstance); + layer_init_instance_dispatch_table(instance_data->instance, + &instance_data->vtable, + fpGetInstanceProcAddr); + instance_data_map_physical_devices(instance_data, true); + + const char *stats_config = getenv("VK_LAYER_MESA_OVERLAY_STATS"); + instance_data->enabled_stats = parse_debug_string(stats_config, + enable_flags); + + if (instance_data->enabled_stats & FRAME_STAT_ENABLED(HELP)) { + fprintf(stderr, "Available stats:\n"); + for (uint32_t i = 0; enable_flags[i].string != NULL; i++) + fprintf(stderr, "\t%s\n", enable_flags[i].string); + fprintf(stderr, "Position layer using VK_LAYER_MESA_OVERLAY_POSITION=\n" + "\ttop-left\n" + "\ttop-right\n" + "\tbottom-left\n" + "\tbottom-right\n"); + } + + instance_data->position = + parse_layer_position(getenv("VK_LAYER_MESA_OVERLAY_POSITION")); + + return result; +} + +VKAPI_ATTR void VKAPI_CALL overlay_DestroyInstance( + VkInstance instance, + const VkAllocationCallbacks* pAllocator) +{ + struct instance_data *instance_data = FIND_INSTANCE_DATA(instance); + instance_data_map_physical_devices(instance_data, false); + instance_data->vtable.DestroyInstance(instance, pAllocator); + destroy_instance_data(instance_data); +} + +static const struct { + const char *name; + void *ptr; +} name_to_funcptr_map[] = { + { "vkGetDeviceProcAddr", (void *) vkGetDeviceProcAddr }, +#define ADD_HOOK(fn) { "vk" # fn, (void *) overlay_ ## fn } + ADD_HOOK(AllocateCommandBuffers), + + ADD_HOOK(CmdDraw), + ADD_HOOK(CmdDrawIndexed), + ADD_HOOK(CmdDrawIndexedIndirect), + ADD_HOOK(CmdDispatch), + ADD_HOOK(CmdDispatchIndirect), + ADD_HOOK(CmdDrawIndirectCountKHR), + ADD_HOOK(CmdDrawIndexedIndirectCountKHR), + + ADD_HOOK(CmdBindPipeline), + + ADD_HOOK(CreateSwapchainKHR), + ADD_HOOK(QueuePresentKHR), + ADD_HOOK(DestroySwapchainKHR), + ADD_HOOK(AcquireNextImageKHR), + ADD_HOOK(AcquireNextImage2KHR), + + ADD_HOOK(QueueSubmit), + ADD_HOOK(CreateInstance), + ADD_HOOK(DestroyInstance), + ADD_HOOK(CreateDevice), + ADD_HOOK(DestroyDevice), +#undef ADD_HOOK +}; + +static void *find_ptr(const char *name) +{ + for (uint32_t i = 0; i < ARRAY_SIZE(name_to_funcptr_map); i++) { + if (strcmp(name, name_to_funcptr_map[i].name) == 0) + return name_to_funcptr_map[i].ptr; + } + + return NULL; +} + +VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetDeviceProcAddr(VkDevice dev, + const char *funcName) +{ + void *ptr = find_ptr(funcName); + if (ptr) return reinterpret_cast(ptr); + + if (dev == NULL) return NULL; + + struct device_data *device_data = FIND_DEVICE_DATA(dev); + if (device_data->vtable.GetDeviceProcAddr == NULL) return NULL; + return device_data->vtable.GetDeviceProcAddr(dev, funcName); +} + +VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, + const char *funcName) +{ + void *ptr = find_ptr(funcName); + if (ptr) return reinterpret_cast(ptr); + + if (instance == NULL) return NULL; + + struct instance_data *instance_data = FIND_INSTANCE_DATA(instance); + if (instance_data->vtable.GetInstanceProcAddr == NULL) return NULL; + return instance_data->vtable.GetInstanceProcAddr(instance, funcName); +} diff --git a/src/vulkan/overlay-layer/overlay.frag b/src/vulkan/overlay-layer/overlay.frag new file mode 100644 index 00000000000..313a8880410 --- /dev/null +++ b/src/vulkan/overlay-layer/overlay.frag @@ -0,0 +1,14 @@ +#version 450 core +layout(location = 0) out vec4 fColor; + +layout(set=0, binding=0) uniform sampler2D sTexture; + +layout(location = 0) in struct{ + vec4 Color; + vec2 UV; +} In; + +void main() +{ + fColor = In.Color * texture(sTexture, In.UV.st); +} diff --git a/src/vulkan/overlay-layer/overlay.vert b/src/vulkan/overlay-layer/overlay.vert new file mode 100644 index 00000000000..20b29082780 --- /dev/null +++ b/src/vulkan/overlay-layer/overlay.vert @@ -0,0 +1,25 @@ +#version 450 core +layout(location = 0) in vec2 aPos; +layout(location = 1) in vec2 aUV; +layout(location = 2) in vec4 aColor; + +layout(push_constant) uniform uPushConstant{ + vec2 uScale; + vec2 uTranslate; +} pc; + +out gl_PerVertex{ + vec4 gl_Position; +}; + +layout(location = 0) out struct{ + vec4 Color; + vec2 UV; +} Out; + +void main() +{ + Out.Color = aColor; + Out.UV = aUV; + gl_Position = vec4(aPos*pc.uScale+pc.uTranslate, 0, 1); +} diff --git a/src/vulkan/overlay-layer/vk_layer_table.cpp b/src/vulkan/overlay-layer/vk_layer_table.cpp new file mode 100644 index 00000000000..4a033b9add6 --- /dev/null +++ b/src/vulkan/overlay-layer/vk_layer_table.cpp @@ -0,0 +1,146 @@ +/* Copyright (c) 2015-2016 The Khronos Group Inc. + * Copyright (c) 2015-2016 Valve Corporation + * Copyright (c) 2015-2016 LunarG, Inc. + * Copyright (c) 2015-2016 Google, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * Author: Tobin Ehlis + */ +#include +#include +#include "vk_dispatch_table_helper.h" +#include "vulkan/vk_layer.h" +#include "vk_layer_table.h" +static device_table_map tableMap; +static instance_table_map tableInstanceMap; + +// Map lookup must be thread safe +VkLayerDispatchTable *device_dispatch_table(void *object) { + dispatch_key key = get_dispatch_key(object); + device_table_map::const_iterator it = tableMap.find((void *)key); + assert(it != tableMap.end() && "Not able to find device dispatch entry"); + return it->second; +} + +VkLayerInstanceDispatchTable *instance_dispatch_table(void *object) { + dispatch_key key = get_dispatch_key(object); + instance_table_map::const_iterator it = tableInstanceMap.find((void *)key); + assert(it != tableInstanceMap.end() && "Not able to find instance dispatch entry"); + return it->second; +} + +void destroy_dispatch_table(device_table_map &map, dispatch_key key) { + device_table_map::const_iterator it = map.find((void *)key); + if (it != map.end()) { + delete it->second; + map.erase(it); + } +} + +void destroy_dispatch_table(instance_table_map &map, dispatch_key key) { + instance_table_map::const_iterator it = map.find((void *)key); + if (it != map.end()) { + delete it->second; + map.erase(it); + } +} + +void destroy_device_dispatch_table(dispatch_key key) { destroy_dispatch_table(tableMap, key); } + +void destroy_instance_dispatch_table(dispatch_key key) { destroy_dispatch_table(tableInstanceMap, key); } + +VkLayerDispatchTable *get_dispatch_table(device_table_map &map, void *object) { + dispatch_key key = get_dispatch_key(object); + device_table_map::const_iterator it = map.find((void *)key); + assert(it != map.end() && "Not able to find device dispatch entry"); + return it->second; +} + +VkLayerInstanceDispatchTable *get_dispatch_table(instance_table_map &map, void *object) { + dispatch_key key = get_dispatch_key(object); + instance_table_map::const_iterator it = map.find((void *)key); + assert(it != map.end() && "Not able to find instance dispatch entry"); + return it->second; +} + +VkLayerInstanceCreateInfo *get_chain_info(const VkInstanceCreateInfo *pCreateInfo, VkLayerFunction func) { + VkLayerInstanceCreateInfo *chain_info = (VkLayerInstanceCreateInfo *)pCreateInfo->pNext; + while (chain_info && !(chain_info->sType == VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO && chain_info->function == func)) { + chain_info = (VkLayerInstanceCreateInfo *)chain_info->pNext; + } + assert(chain_info != NULL); + return chain_info; +} + +VkLayerDeviceCreateInfo *get_chain_info(const VkDeviceCreateInfo *pCreateInfo, VkLayerFunction func) { + VkLayerDeviceCreateInfo *chain_info = (VkLayerDeviceCreateInfo *)pCreateInfo->pNext; + while (chain_info && !(chain_info->sType == VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO && chain_info->function == func)) { + chain_info = (VkLayerDeviceCreateInfo *)chain_info->pNext; + } + assert(chain_info != NULL); + return chain_info; +} + +/* Various dispatchable objects will use the same underlying dispatch table if they + * are created from that "parent" object. Thus use pointer to dispatch table + * as the key to these table maps. + * Instance -> PhysicalDevice + * Device -> CommandBuffer or Queue + * If use the object themselves as key to map then implies Create entrypoints have to be intercepted + * and a new key inserted into map */ +VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa, instance_table_map &map) { + VkLayerInstanceDispatchTable *pTable; + dispatch_key key = get_dispatch_key(instance); + instance_table_map::const_iterator it = map.find((void *)key); + + if (it == map.end()) { + pTable = new VkLayerInstanceDispatchTable; + map[(void *)key] = pTable; + } else { + return it->second; + } + + layer_init_instance_dispatch_table(instance, pTable, gpa); + + // Setup func pointers that are required but not externally exposed. These won't be added to the instance dispatch table by + // default. + pTable->GetPhysicalDeviceProcAddr = (PFN_GetPhysicalDeviceProcAddr)gpa(instance, "vk_layerGetPhysicalDeviceProcAddr"); + + return pTable; +} + +VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa) { + return initInstanceTable(instance, gpa, tableInstanceMap); +} + +VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa, device_table_map &map) { + VkLayerDispatchTable *pTable; + dispatch_key key = get_dispatch_key(device); + device_table_map::const_iterator it = map.find((void *)key); + + if (it == map.end()) { + pTable = new VkLayerDispatchTable; + map[(void *)key] = pTable; + } else { + return it->second; + } + + layer_init_device_dispatch_table(device, pTable, gpa); + + return pTable; +} + +VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa) { + return initDeviceTable(device, gpa, tableMap); +} diff --git a/src/vulkan/overlay-layer/vk_layer_table.h b/src/vulkan/overlay-layer/vk_layer_table.h new file mode 100644 index 00000000000..45b8f6e1770 --- /dev/null +++ b/src/vulkan/overlay-layer/vk_layer_table.h @@ -0,0 +1,51 @@ +/* Copyright (c) 2015-2016 The Khronos Group Inc. + * Copyright (c) 2015-2016 Valve Corporation + * Copyright (c) 2015-2016 LunarG, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * Author: Tobin Ehlis + */ + +#pragma once + +#include "vulkan/vk_layer.h" +#include "vulkan/vulkan.h" +#include + +typedef std::unordered_map device_table_map; +typedef std::unordered_map instance_table_map; +VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa, device_table_map &map); +VkLayerDispatchTable *initDeviceTable(VkDevice device, const PFN_vkGetDeviceProcAddr gpa); +VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa, instance_table_map &map); +VkLayerInstanceDispatchTable *initInstanceTable(VkInstance instance, const PFN_vkGetInstanceProcAddr gpa); + +typedef void *dispatch_key; + +static inline dispatch_key get_dispatch_key(const void *object) { return (dispatch_key) * (VkLayerDispatchTable **)object; } + +VkLayerDispatchTable *device_dispatch_table(void *object); + +VkLayerInstanceDispatchTable *instance_dispatch_table(void *object); + +VkLayerDispatchTable *get_dispatch_table(device_table_map &map, void *object); + +VkLayerInstanceDispatchTable *get_dispatch_table(instance_table_map &map, void *object); + +VkLayerInstanceCreateInfo *get_chain_info(const VkInstanceCreateInfo *pCreateInfo, VkLayerFunction func); +VkLayerDeviceCreateInfo *get_chain_info(const VkDeviceCreateInfo *pCreateInfo, VkLayerFunction func); + +void destroy_device_dispatch_table(dispatch_key key); +void destroy_instance_dispatch_table(dispatch_key key); +void destroy_dispatch_table(device_table_map &map, dispatch_key key); +void destroy_dispatch_table(instance_table_map &map, dispatch_key key); -- 2.30.2