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Examples: Vulkan: Reworked buffer resize handling, fix for Linux/X11. (#3390, #2626)

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This commit is contained in:
ocornut
2020-08-07 15:34:25 +02:00
parent 9b50e691ed
commit df89a16d26
3 changed files with 17 additions and 21 deletions
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18
examples/example_glfw_vulkan/main.cpp
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@ -310,7 +310,7 @@ static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data)
}
}
static void FramePresent(ImGui_ImplVulkanH_Window* wd)
static void FramePresent(ImGui_ImplVulkanH_Window* wd, GLFWwindow* window)
{
VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
VkPresentInfoKHR info = {};
@ -321,6 +321,12 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd)
info.pSwapchains = &wd->Swapchain;
info.pImageIndices = &wd->FrameIndex;
VkResult err = vkQueuePresentKHR(g_Queue, &info);
if (err == VK_ERROR_OUT_OF_DATE_KHR)
{
glfwGetFramebufferSize(window, &g_SwapChainResizeWidth, &g_SwapChainResizeHeight);
g_SwapChainRebuild = true;
return;
}
check_vk_result(err);
wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores
}
@ -330,13 +336,6 @@ static void glfw_error_callback(int error, const char* description)
fprintf(stderr, "Glfw Error %d: %s\n", error, description);
}
static void glfw_resize_callback(GLFWwindow*, int w, int h)
{
g_SwapChainRebuild = true;
g_SwapChainResizeWidth = w;
g_SwapChainResizeHeight = h;
}
int main(int, char**)
{
// Setup GLFW window
@ -365,7 +364,6 @@ int main(int, char**)
// Create Framebuffers
int w, h;
glfwGetFramebufferSize(window, &w, &h);
glfwSetFramebufferSizeCallback(window, glfw_resize_callback);
ImGui_ImplVulkanH_Window* wd = &g_MainWindowData;
SetupVulkanWindow(wd, surface, w, h);
@ -515,7 +513,7 @@ int main(int, char**)
{
memcpy(&wd->ClearValue.color.float32[0], &clear_color, 4 * sizeof(float));
FrameRender(wd, draw_data);
FramePresent(wd);
FramePresent(wd, window);
}
}