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UI overlay resizing

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This commit is contained in:
saschawillems 2017-11-01 15:19:28 +01:00
parent a5e2ad091f
commit 2f9515466a
3 changed files with 23 additions and 29 deletions
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31
base/VulkanUIOverlay.cpp
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@ -1,4 +1,3 @@
#include "VulkanUIOverlay.h"
/*
* UI overlay class using ImGui
*
@ -11,7 +10,7 @@
namespace vks
{
UIOverlay::UIOverlay(vks::VulkanDevice *vulkanDevice, VkQueue copyQueue, std::vector<VkFramebuffer> &framebuffers, VkFormat colorformat, VkFormat depthformat, uint32_t *framebufferwidth, uint32_t *framebufferheight, std::vector<VkPipelineShaderStageCreateInfo> shaderstages)
UIOverlay::UIOverlay(vks::VulkanDevice *vulkanDevice, VkQueue copyQueue, std::vector<VkFramebuffer> &framebuffers, VkFormat colorformat, VkFormat depthformat, uint32_t width, uint32_t height, std::vector<VkPipelineShaderStageCreateInfo> shaderstages)
{
this->device = vulkanDevice;
this->copyQueue = copyQueue;
@ -25,8 +24,8 @@ namespace vks
this->shaderStages = shaderstages;
this->frameBufferWidth = framebufferwidth;
this->frameBufferHeight = framebufferheight;
this->width = width;
this->height = height;
#if defined(__ANDROID__)
if (vks::android::screenDensity >= ACONFIGURATION_DENSITY_XXHIGH) {
@ -53,7 +52,7 @@ namespace vks
style.Colors[ImGuiCol_CheckMark] = ImVec4(1.0f, 0.0f, 0.0f, 0.8f);
// Dimensions
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2((float)(*framebufferwidth), (float)(*framebufferheight));
io.DisplaySize = ImVec2((float)(width), (float)(height));
io.FontGlobalScale = scale;
cmdBuffers.resize(framebuffers.size());
@ -408,8 +407,8 @@ namespace vks
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.extent.width = *frameBufferWidth;
renderPassBeginInfo.renderArea.extent.height = *frameBufferHeight;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
// None of the attachments will be cleared
renderPassBeginInfo.clearValueCount = 0;
renderPassBeginInfo.pClearValues = nullptr;
@ -532,6 +531,15 @@ namespace vks
}
}
void UIOverlay::resize(uint32_t width, uint32_t height)
{
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2((float)(width), (float)(height));
this->width = width;
this->height = height;
updateCommandBuffers();
}
/** Submit the overlay command buffers to a queue */
void UIOverlay::submit(VkQueue queue, uint32_t bufferindex, VkSubmitInfo submitInfo)
{
@ -548,15 +556,6 @@ namespace vks
VK_CHECK_RESULT(vkResetFences(device->logicalDevice, 1, &fence));
}
/** Reallocate command buffers for the text overlay */
void UIOverlay::reallocateCommandBuffers()
{
vkFreeCommandBuffers(device->logicalDevice, commandPool, static_cast<uint32_t>(cmdBuffers.size()), cmdBuffers.data());
VkCommandBufferAllocateInfo cmdBufAllocateInfo =
vks::initializers::commandBufferAllocateInfo(commandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, static_cast<uint32_t>(cmdBuffers.size()));
VK_CHECK_RESULT(vkAllocateCommandBuffers(device->logicalDevice, &cmdBufAllocateInfo, cmdBuffers.data()));
}
bool UIOverlay::header(const char *caption)
{
return ImGui::CollapsingHeader(caption, ImGuiTreeNodeFlags_DefaultOpen);