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Backends: Vulkan: misc amends (e.g. changelog, coding style). (8110, 8111, 8053)

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# Conflicts:
#	backends/imgui_impl_vulkan.cpp
This commit is contained in:
ocornut 2025-09-04 14:24:06 +02:00
parent ee03cef14f
commit 1ecc34a0b1
3 changed files with 41 additions and 50 deletions
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56
backends/imgui_impl_vulkan.cpp
View file

@ -27,6 +27,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2025-09-04: Vulkan: Added ImGui_ImplVulkan_CreateMainPipeline(). (#8110, #8111)
// 2025-07-27: Vulkan: Fixed texture update corruption introduced on 2025-06-11. (#8801, #8755, #8840)
// 2025-07-07: Vulkan: Fixed texture synchronization issue introduced on 2025-06-11. (#8772)
// 2025-06-27: Vulkan: Fixed validation errors during texture upload/update by aligning upload size to 'nonCoherentAtomSize'. (#8743, #8744)
@ -906,7 +907,11 @@ static void ImGui_ImplVulkan_CreateShaderModules(VkDevice device, const VkAlloca
}
}
static VkPipeline ImGui_ImplVulkan_CreatePipeline(VkDevice device, const VkAllocationCallbacks* allocator, VkPipelineCache pipelineCache, VkRenderPass renderPass, VkSampleCountFlagBits MSAASamples, uint32_t subpass, const ImGui_ImplVulkan_PipelineRenderingCreateInfo* pipeline_rendering_create_info)
#if !defined(IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING) && !(defined(VK_VERSION_1_3) || defined(VK_KHR_dynamic_rendering))
typedef void VkPipelineRenderingCreateInfoKHR;
#endif
static VkPipeline ImGui_ImplVulkan_CreatePipeline(VkDevice device, const VkAllocationCallbacks* allocator, VkPipelineCache pipelineCache, VkRenderPass renderPass, VkSampleCountFlagBits MSAASamples, uint32_t subpass, const VkPipelineRenderingCreateInfoKHR* pipeline_rendering_create_info)
{
ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData();
ImGui_ImplVulkan_CreateShaderModules(device, allocator);
@ -1096,33 +1101,22 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
check_vk_result(err);
}
{
bool create_pipeline = false;
const ImGui_ImplVulkan_PipelineRenderingCreateInfo* p_dynamic_rendering = nullptr;
if (v->RenderPass)
{
create_pipeline = true;
}
else
{
// Create pipeline
const VkPipelineRenderingCreateInfoKHR* p_dynamic_rendering_create_info = nullptr;
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
if (v->UseDynamicRendering && v->PipelineRenderingCreateInfo.sType == VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR)
{
p_dynamic_rendering = &v->PipelineRenderingCreateInfo;
create_pipeline = true;
}
if (v->UseDynamicRendering && v->PipelineRenderingCreateInfo.sType == VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR)
p_dynamic_rendering_create_info = &v->PipelineRenderingCreateInfo;
#endif
}
if (create_pipeline)
{
ImGui_ImplVulkan_MainPipelineCreateInfo mp_info = {};
mp_info.RenderPass = v->RenderPass;
mp_info.Subpass = v->Subpass;
mp_info.MSAASamples = v->MSAASamples;
mp_info.pDynamicRendering = p_dynamic_rendering;
ImGui_ImplVulkan_ReCreateMainPipeline(mp_info);
}
if (v->RenderPass || p_dynamic_rendering_create_info != nullptr)
{
ImGui_ImplVulkan_MainPipelineCreateInfo mp_info = {};
mp_info.RenderPass = v->RenderPass;
mp_info.Subpass = v->Subpass;
mp_info.MSAASamples = v->MSAASamples;
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
mp_info.pDynamicRendering = p_dynamic_rendering_create_info;
#endif
ImGui_ImplVulkan_CreateMainPipeline(mp_info);
}
// Create command pool/buffer for texture upload
@ -1148,7 +1142,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
return true;
}
void ImGui_ImplVulkan_ReCreateMainPipeline(ImGui_ImplVulkan_MainPipelineCreateInfo const& info)
void ImGui_ImplVulkan_CreateMainPipeline(const ImGui_ImplVulkan_MainPipelineCreateInfo& info)
{
ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData();
ImGui_ImplVulkan_InitInfo* v = &bd->VulkanInitInfo;
@ -1161,15 +1155,13 @@ void ImGui_ImplVulkan_ReCreateMainPipeline(ImGui_ImplVulkan_MainPipelineCreateIn
v->MSAASamples = info.MSAASamples;
v->Subpass = info.Subpass;
ImGui_ImplVulkan_PipelineRenderingCreateInfo * pipeline_rendering_create_info = nullptr;
VkPipelineRenderingCreateInfoKHR* pipeline_rendering_create_info = nullptr;
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
if (info.pDynamicRendering)
{
v->PipelineRenderingCreateInfo = *info.pDynamicRendering;
pipeline_rendering_create_info = &v->PipelineRenderingCreateInfo;
}
#else
IM_ASSERT(info.pDynamicRendering == nullptr);
#endif
bd->Pipeline = ImGui_ImplVulkan_CreatePipeline(v->Device, v->Allocator, v->PipelineCache, v->RenderPass, v->MSAASamples, v->Subpass, pipeline_rendering_create_info);
}
@ -1297,14 +1289,14 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info)
IM_ASSERT(info->MinImageCount >= 2);
IM_ASSERT(info->ImageCount >= info->MinImageCount);
ImGui_ImplVulkan_InitInfo * v = &bd->VulkanInitInfo;
*v = *info;
bd->VulkanInitInfo = *info;
VkPhysicalDeviceProperties properties;
vkGetPhysicalDeviceProperties(info->PhysicalDevice, &properties);
bd->NonCoherentAtomSize = properties.limits.nonCoherentAtomSize;
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
ImGui_ImplVulkan_InitInfo* v = &bd->VulkanInitInfo;
if (v->PipelineRenderingCreateInfo.pColorAttachmentFormats != NULL)
{
// Deep copy buffer to reduce error-rate for end user (#8282)

33
backends/imgui_impl_vulkan.h
View file

@ -65,12 +65,6 @@
// Backend uses a small number of descriptors per font atlas + as many as additional calls done to ImGui_ImplVulkan_AddTexture().
#define IMGUI_IMPL_VULKAN_MINIMUM_IMAGE_SAMPLER_POOL_SIZE (8) // Minimum per atlas
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
typedef VkPipelineRenderingCreateInfoKHR ImGui_ImplVulkan_PipelineRenderingCreateInfo;
#else
typedef void ImGui_ImplVulkan_PipelineRenderingCreateInfo;
#endif
// Initialization data, for ImGui_ImplVulkan_Init()
// [Please zero-clear before use!]
// - About descriptor pool:
@ -104,8 +98,7 @@ struct ImGui_ImplVulkan_InitInfo
// Need to explicitly enable VK_KHR_dynamic_rendering extension to use this, even for Vulkan 1.3.
bool UseDynamicRendering;
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
// (Optional, valid iif .sType == VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR)
VkPipelineRenderingCreateInfoKHR PipelineRenderingCreateInfo;
VkPipelineRenderingCreateInfoKHR PipelineRenderingCreateInfo; // Optional, valid if .sType == VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR
#endif
// (Optional) Allocation, Debugging
@ -115,21 +108,25 @@ struct ImGui_ImplVulkan_InitInfo
};
// Follow "Getting Started" link and check examples/ folder to learn about using backends!
IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info); // The main pipeline will be created if possible (RenderPass xor (UseDynamicRendering && PipelineRenderingCreateInfo->sType is correct))
#define IMGUI_IMPL_VULKAN_HAS_MAIN_PIPELINE_RE_CREATION 1
struct ImGui_ImplVulkan_MainPipelineCreateInfo
{
VkRenderPass RenderPass = VK_NULL_HANDLE;
uint32_t Subpass = 0;
VkSampleCountFlagBits MSAASamples = {};
const ImGui_ImplVulkan_PipelineRenderingCreateInfo* pDynamicRendering = nullptr;
};
IMGUI_IMPL_API void ImGui_ImplVulkan_ReCreateMainPipeline(ImGui_ImplVulkan_MainPipelineCreateInfo const& info); // (render_pass xor (p_dynamic_rendering && p_dynamic_rendering is correct (sType and pNext))
IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info);
IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown();
IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame();
IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, VkPipeline pipeline = VK_NULL_HANDLE);
IMGUI_IMPL_API void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated)
// (Advanced) Use e.g. if you need to recreate pipeline without reinitializing the backend (see #8110, #8111)
// The main window pipeline will be created by ImGui_ImplVulkan_Init() if possible (== RenderPass xor (UseDynamicRendering && PipelineRenderingCreateInfo->sType == VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO_KHR))
// Else, the pipeline can be created, or re-created, using ImGui_ImplVulkan_CreateMainPipeline() before rendering.
struct ImGui_ImplVulkan_MainPipelineCreateInfo
{
VkRenderPass RenderPass = VK_NULL_HANDLE;
uint32_t Subpass = 0;
VkSampleCountFlagBits MSAASamples = {};
#ifdef IMGUI_IMPL_VULKAN_HAS_DYNAMIC_RENDERING
const VkPipelineRenderingCreateInfoKHR* pDynamicRendering = nullptr;
#endif
};
IMGUI_IMPL_API void ImGui_ImplVulkan_CreateMainPipeline(const ImGui_ImplVulkan_MainPipelineCreateInfo& info); // (render_pass xor (p_dynamic_rendering && p_dynamic_rendering is correct (sType and pNext))
// (Advanced) Use e.g. if you need to precisely control the timing of texture updates (e.g. for staged rendering), by setting ImDrawData::Textures = NULL to handle this manually.
IMGUI_IMPL_API void ImGui_ImplVulkan_UpdateTexture(ImTextureData* tex);

2
docs/CHANGELOG.txt
View file

@ -81,6 +81,8 @@ Other Changes:
- Backends: SDL_GPU: Added ImGui_ImplSDLGPU3_InitInfo::SwapchainComposition and
PresentMode to configure how secondary viewports are created. Currently only used
multi-viewport mode. (#8892) [@PTSVU]
- Backends: Vulkan: added ImGui_ImplVulkan_CreateMainPipeline() to recreate pipeline
without reinitializing backend. (#8110, #8111) [@SuperRonan]
-----------------------------------------------------------------------