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VulkanHostDisplay: Fix imgui image textures not rendering

Browse Source
pull/828/head
Connor McLaughlin 5 years ago
parent ac6b9dc87f
commit 2c36750a0e
4 changed files with 44 additions and 53 deletions
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12
src/core/gpu_hw_vulkan.cpp
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@ -99,13 +99,6 @@ void GPU_HW_Vulkan::ResetGraphicsAPIState()
GPU_HW::ResetGraphicsAPIState();
EndRenderPass();
// vram texture is probably going to be displayed now
if (!IsDisplayDisabled())
{
m_vram_texture.TransitionToLayout(g_vulkan_context->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
}
}
void GPU_HW_Vulkan::RestoreGraphicsAPIState()
@ -928,9 +921,12 @@ void GPU_HW_Vulkan::ClearDisplay()
void GPU_HW_Vulkan::UpdateDisplay()
{
GPU_HW::UpdateDisplay();
EndRenderPass();
if (g_settings.debugging.show_vram)
{
m_vram_texture.TransitionToLayout(g_vulkan_context->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
m_host_display->SetDisplayTexture(&m_vram_texture, m_vram_texture.GetWidth(), m_vram_texture.GetHeight(), 0, 0,
m_vram_texture.GetWidth(), m_vram_texture.GetHeight());
m_host_display->SetDisplayParameters(VRAM_WIDTH, VRAM_HEIGHT, 0, 0, VRAM_WIDTH, VRAM_HEIGHT,
@ -956,6 +952,8 @@ void GPU_HW_Vulkan::UpdateDisplay()
(scaled_vram_offset_x + scaled_display_width) <= m_vram_texture.GetWidth() &&
(scaled_vram_offset_y + scaled_display_height) <= m_vram_texture.GetHeight())
{
m_vram_texture.TransitionToLayout(g_vulkan_context->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
m_host_display->SetDisplayTexture(&m_vram_texture, m_vram_texture.GetWidth(), m_vram_texture.GetHeight(),
scaled_vram_offset_x, scaled_vram_offset_y, scaled_display_width,
scaled_display_height);

79
src/frontend-common/imgui_impl_vulkan.cpp
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@ -46,6 +46,7 @@
#include "imgui.h"
#include "imgui_impl_vulkan.h"
#include "common/vulkan/texture.h"
#include <stdio.h>
// Reusable buffers used for rendering 1 current in-flight frame, for ImGui_ImplVulkan_RenderDrawData()
@ -76,16 +77,15 @@ static VkDeviceSize g_BufferMemoryAlignment = 256;
static VkPipelineCreateFlags g_PipelineCreateFlags = 0x00;
static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE;
static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE;
static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE;
static VkPipeline g_Pipeline = VK_NULL_HANDLE;
// Font data
static VkSampler g_FontSampler = VK_NULL_HANDLE;
static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE;
static VkImage g_FontImage = VK_NULL_HANDLE;
static VkImageView g_FontView = VK_NULL_HANDLE;
static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE;
static VkBuffer g_UploadBuffer = VK_NULL_HANDLE;
static Vulkan::Texture g_FontTexture;
// Render buffers
static ImGui_ImplVulkanH_WindowRenderBuffers g_MainWindowRenderBuffers;
@ -269,8 +269,6 @@ static void ImGui_ImplVulkan_SetupRenderState(ImDrawData* draw_data, VkCommandBu
// Bind pipeline and descriptor sets:
{
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline);
VkDescriptorSet desc_set[1] = { g_DescriptorSet };
vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL);
}
// Bind Vertex And Index Buffer:
@ -307,6 +305,33 @@ static void ImGui_ImplVulkan_SetupRenderState(ImDrawData* draw_data, VkCommandBu
}
}
static void ImGui_ImplVulkan_UpdateAndBindDescriptors(const ImDrawCmd* pcmd, VkCommandBuffer command_buffer)
{
const Vulkan::Texture* tex = static_cast<const Vulkan::Texture*>(pcmd->TextureId);
VkDescriptorSet desc_set;
VkDescriptorSetAllocateInfo alloc_info = {};
alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
alloc_info.descriptorPool = g_VulkanInitInfo.DescriptorPool;
alloc_info.descriptorSetCount = 1;
alloc_info.pSetLayouts = &g_DescriptorSetLayout;
VkResult err = vkAllocateDescriptorSets(g_VulkanInitInfo.Device, &alloc_info, &desc_set);
check_vk_result(err);
VkDescriptorImageInfo desc_image[1] = {};
desc_image[0].sampler = g_FontSampler;
desc_image[0].imageView = tex->GetView();
desc_image[0].imageLayout = tex->GetLayout();
VkWriteDescriptorSet write_desc[1] = {};
write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
write_desc[0].dstSet = desc_set;
write_desc[0].descriptorCount = 1;
write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
write_desc[0].pImageInfo = desc_image;
vkUpdateDescriptorSets(g_VulkanInitInfo.Device, 1, write_desc, 0, NULL);
vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, &desc_set, 0, NULL);
}
// Render function
// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer)
@ -407,6 +432,8 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f)
{
ImGui_ImplVulkan_UpdateAndBindDescriptors(pcmd, command_buffer);
// Negative offsets are illegal for vkCmdSetScissor
if (clip_rect.x < 0.0f)
clip_rect.x = 0.0f;
@ -475,31 +502,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
// Create the Image View:
{
VkImageViewCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
info.image = g_FontImage;
info.viewType = VK_IMAGE_VIEW_TYPE_2D;
info.format = VK_FORMAT_R8G8B8A8_UNORM;
info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
info.subresourceRange.levelCount = 1;
info.subresourceRange.layerCount = 1;
err = vkCreateImageView(v->Device, &info, v->Allocator, &g_FontView);
check_vk_result(err);
}
// Update the Descriptor Set:
{
VkDescriptorImageInfo desc_image[1] = {};
desc_image[0].sampler = g_FontSampler;
desc_image[0].imageView = g_FontView;
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 = g_DescriptorSet;
write_desc[0].descriptorCount = 1;
write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
write_desc[0].pImageInfo = desc_image;
vkUpdateDescriptorSets(v->Device, 1, write_desc, 0, NULL);
g_FontTexture.Adopt(g_FontImage, VK_IMAGE_VIEW_TYPE_2D, width, height, 1, 1, VK_FORMAT_R8G8B8A8_UNORM, VK_SAMPLE_COUNT_1_BIT);
}
// Create the Upload Buffer:
@ -578,7 +581,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
}
// Store our identifier
io.Fonts->TexID = (ImTextureID)(intptr_t)g_FontImage;
io.Fonts->TexID = (ImTextureID)(intptr_t)&g_FontTexture;
return true;
}
@ -639,17 +642,6 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
check_vk_result(err);
}
// Create Descriptor Set:
{
VkDescriptorSetAllocateInfo alloc_info = {};
alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
alloc_info.descriptorPool = v->DescriptorPool;
alloc_info.descriptorSetCount = 1;
alloc_info.pSetLayouts = &g_DescriptorSetLayout;
err = vkAllocateDescriptorSets(v->Device, &alloc_info, &g_DescriptorSet);
check_vk_result(err);
}
if (!g_PipelineLayout)
{
// Constants: we are using 'vec2 offset' and 'vec2 scale' instead of a full 3d projection matrix
@ -795,7 +787,7 @@ void ImGui_ImplVulkan_DestroyDeviceObjects()
ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &g_MainWindowRenderBuffers, v->Allocator);
ImGui_ImplVulkan_DestroyFontUploadObjects();
if (g_FontView) { vkDestroyImageView(v->Device, g_FontView, v->Allocator); g_FontView = VK_NULL_HANDLE; }
g_FontTexture.Destroy(false);
if (g_FontImage) { vkDestroyImage(v->Device, g_FontImage, v->Allocator); g_FontImage = VK_NULL_HANDLE; }
if (g_FontMemory) { vkFreeMemory(v->Device, g_FontMemory, v->Allocator); g_FontMemory = VK_NULL_HANDLE; }
if (g_FontSampler) { vkDestroySampler(v->Device, g_FontSampler, v->Allocator); g_FontSampler = VK_NULL_HANDLE; }
@ -832,8 +824,9 @@ void ImGui_ImplVulkan_Shutdown()
ImGui_ImplVulkan_DestroyDeviceObjects();
}
void ImGui_ImplVulkan_NewFrame()
void ImGui_ImplVulkan_NewFrame(VkDescriptorPool DescriptorPool)
{
g_VulkanInitInfo.DescriptorPool = DescriptorPool;
}
void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count)

2
src/frontend-common/imgui_impl_vulkan.h
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@ -45,7 +45,7 @@ struct ImGui_ImplVulkan_InitInfo
// Called by user code
IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass);
IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown();
IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame();
IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(VkDescriptorPool DescriptorPool);
IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer);
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer);
IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects();

4
src/frontend-common/vulkan_host_display.cpp
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@ -466,7 +466,7 @@ bool VulkanHostDisplay::CreateImGuiContext()
return false;
}
ImGui_ImplVulkan_NewFrame();
ImGui_ImplVulkan_NewFrame(g_vulkan_context->GetCurrentDescriptorPool());
#endif
return true;
@ -532,7 +532,7 @@ bool VulkanHostDisplay::Render()
#ifdef WITH_IMGUI
if (ImGui::GetCurrentContext())
ImGui_ImplVulkan_NewFrame();
ImGui_ImplVulkan_NewFrame(g_vulkan_context->GetCurrentDescriptorPool());
#endif
return true;

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