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Examples: Vulkan: Passing Queue, QueueFamily to binding. Fixed scissor (fixed in master). ImGui_ImplVulkanH_DestroyWindowData() waits for device to be idle. (#1042)

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This commit is contained in:
omar
2018-03-12 17:37:28 +01:00
parent 1e81a53e75
commit cdeef65b05
4 changed files with 25 additions and 8 deletions
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17
examples/imgui_impl_vulkan.cpp
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@@ -29,6 +29,8 @@ static const VkAllocationCallbacks* g_Allocator = NULL;
static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE;
static VkInstance g_Instance = VK_NULL_HANDLE;
static VkDevice g_Device = VK_NULL_HANDLE;
static uint32_t g_QueueFamily = (uint32_t)-1;
static VkQueue g_Queue = VK_NULL_HANDLE;
static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE;
static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE;
static VkRenderPass g_RenderPass = VK_NULL_HANDLE;
@@ -298,7 +300,7 @@ void ImGui_ImplVulkan_RenderDrawData(VkCommandBuffer command_buffer, ImDrawData*
// 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 - io.DisplayPos.x) > 0 ? (int32_t)(pcmd->ClipRect.x - io.DisplayPos.y) : 0;
scissor.offset.x = (int32_t)(pcmd->ClipRect.x - io.DisplayPos.x) > 0 ? (int32_t)(pcmd->ClipRect.x - io.DisplayPos.x) : 0;
scissor.offset.y = (int32_t)(pcmd->ClipRect.y - io.DisplayPos.y) > 0 ? (int32_t)(pcmd->ClipRect.y - io.DisplayPos.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?
@@ -624,7 +626,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
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 = 2;
dynamic_state.dynamicStateCount = (uint32_t)IM_ARRAYSIZE(dynamic_states);
dynamic_state.pDynamicStates = dynamic_states;
VkGraphicsPipelineCreateInfo info = {};
@@ -692,13 +694,19 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
IM_ASSERT(info->Instance != NULL);
IM_ASSERT(info->PhysicalDevice != NULL);
IM_ASSERT(info->Device != NULL);
IM_ASSERT(info->Queue != NULL);
IM_ASSERT(info->DescriptorPool != NULL);
IM_ASSERT(render_pass != NULL);
g_Allocator = info->Allocator;
g_Instance = info->Instance;
g_PhysicalDevice = info->PhysicalDevice;
g_Device = info->Device;
g_QueueFamily = info->QueueFamily;
g_Queue = info->Queue;
g_RenderPass = render_pass;
g_PipelineCache = info->PipelineCache;
g_DescriptorPool = info->DescriptorPool;
g_Allocator = info->Allocator;
g_CheckVkResultFn = info->CheckVkResultFn;
ImGuiIO& io = ImGui::GetIO();
@@ -999,6 +1007,7 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice
void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkan_WindowData* wd, const VkAllocationCallbacks* allocator)
{
vkDeviceWaitIdle(device);
for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++)
{
ImGui_ImplVulkan_FrameData* fd = &wd->Frames[i];
@@ -1027,7 +1036,7 @@ void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, I
struct ImGuiPlatformDataVulkan
{
ImGui_ImplVulkan_WindowData Wd;
ImGui_ImplVulkan_WindowData WindowData;
ImGuiPlatformDataVulkan() { }
~ImGuiPlatformDataVulkan() { }

2
examples/imgui_impl_vulkan.h
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@@ -18,6 +18,8 @@ struct ImGui_ImplVulkan_InitInfo
VkInstance Instance;
VkPhysicalDevice PhysicalDevice;
VkDevice Device;
uint32_t QueueFamily;
VkQueue Queue;
VkPipelineCache PipelineCache;
VkDescriptorPool DescriptorPool;
const VkAllocationCallbacks* Allocator;

7
examples/sdl_vulkan_example/main.cpp
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@@ -38,8 +38,8 @@ static void check_vk_result(VkResult err)
#ifdef IMGUI_VULKAN_DEBUG_REPORT
static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData)
{
(void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguemnts
printf("[vulkan] ObjectType: %i\nMessage: %s\n\n", objectType, pMessage);
(void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments
fprintf(stderr, "[vulkan] ObjectType: %i\nMessage: %s\n\n", objectType, pMessage);
return VK_FALSE;
}
#endif // IMGUI_VULKAN_DEBUG_REPORT
@@ -348,10 +348,13 @@ int main(int, char**)
io.ConfigFlags |= ImGuiConfigFlags_PlatformNoTaskBar;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Vulkan binding
ImGui_ImplVulkan_InitInfo init_info = {};
init_info.Instance = g_Instance;
init_info.PhysicalDevice = g_PhysicalDevice;
init_info.Device = g_Device;
init_info.QueueFamily = g_QueueFamily;
init_info.Queue = g_Queue;
init_info.PipelineCache = g_PipelineCache;
init_info.DescriptorPool = g_DescriptorPool;
init_info.Allocator = g_Allocator;

7
examples/vulkan_example/main.cpp
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@@ -41,8 +41,8 @@ static void check_vk_result(VkResult err)
#ifdef IMGUI_VULKAN_DEBUG_REPORT
static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData)
{
(void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguemnts
printf("[vulkan] ObjectType: %i\nMessage: %s\n\n", objectType, pMessage);
(void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments
fprintf(stderr, "[vulkan] ObjectType: %i\nMessage: %s\n\n", objectType, pMessage);
return VK_FALSE;
}
#endif // IMGUI_VULKAN_DEBUG_REPORT
@@ -357,10 +357,13 @@ int main(int, char**)
io.ConfigFlags |= ImGuiConfigFlags_PlatformNoTaskBar;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
// Setup Vulkan binding
ImGui_ImplVulkan_InitInfo init_info = {};
init_info.Instance = g_Instance;
init_info.PhysicalDevice = g_PhysicalDevice;
init_info.Device = g_Device;
init_info.QueueFamily = g_QueueFamily;
init_info.Queue = g_Queue;
init_info.PipelineCache = g_PipelineCache;
init_info.DescriptorPool = g_DescriptorPool;
init_info.Allocator = g_Allocator;