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libretro: Vulkan renderer support

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This commit is contained in:
Connor McLaughlin
2020-07-04 20:06:04 +10:00
parent 218f6721d3
commit b9ffca1ddf
16 changed files with 431 additions and 36 deletions
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4
src/duckstation-libretro/CMakeLists.txt
View File

@ -9,6 +9,8 @@ add_library(duckstation-libretro SHARED
libretro_opengl_host_display.h
libretro_settings_interface.cpp
libretro_settings_interface.h
libretro_vulkan_host_display.cpp
libretro_vulkan_host_display.h
main.cpp
)
@ -19,5 +21,5 @@ if(WIN32)
)
endif()
target_link_libraries(duckstation-libretro PRIVATE core common imgui glad scmversion frontend-common libretro-common)
target_link_libraries(duckstation-libretro PRIVATE core common imgui glad scmversion frontend-common vulkan-loader libretro-common)

21
src/duckstation-libretro/duckstation-libretro.vcxproj
View File

@ -35,6 +35,9 @@
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\dep\vulkan-loader\vulkan-loader.vcxproj">
<Project>{9c8ddeb0-2b8f-4f5f-ba86-127cdf27f035}</Project>
</ProjectReference>
<ProjectReference Include="..\common\common.vcxproj">
<Project>{ee054e08-3799-4a59-a422-18259c105ffd}</Project>
</ProjectReference>
@ -54,6 +57,7 @@
<ClCompile Include="libretro_host_display.cpp" />
<ClCompile Include="libretro_host_interface.cpp" />
<ClCompile Include="libretro_settings_interface.cpp" />
<ClCompile Include="libretro_vulkan_host_display.cpp" />
<ClCompile Include="main.cpp" />
<ClCompile Include="libretro_opengl_host_display.cpp" />
</ItemGroup>
@ -64,6 +68,7 @@
<ClInclude Include="libretro_host_interface.h" />
<ClInclude Include="libretro_settings_interface.h" />
<ClInclude Include="libretro_opengl_host_display.h" />
<ClInclude Include="libretro_vulkan_host_display.h" />
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}</ProjectGuid>
@ -211,7 +216,7 @@
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<MinimalRebuild>false</MinimalRebuild>
<LanguageStandard>stdcpp17</LanguageStandard>
@ -232,7 +237,7 @@
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<MinimalRebuild>false</MinimalRebuild>
<LanguageStandard>stdcpp17</LanguageStandard>
@ -253,7 +258,7 @@
<PreprocessorDefinitions>_ITERATOR_DEBUG_LEVEL=1;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUGFAST;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<BasicRuntimeChecks>Default</BasicRuntimeChecks>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<MinimalRebuild>false</MinimalRebuild>
@ -277,7 +282,7 @@
<PreprocessorDefinitions>_ITERATOR_DEBUG_LEVEL=1;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUGFAST;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<BasicRuntimeChecks>Default</BasicRuntimeChecks>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<MinimalRebuild>false</MinimalRebuild>
@ -300,7 +305,7 @@
<Optimization>MaxSpeed</Optimization>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<WholeProgramOptimization>false</WholeProgramOptimization>
<LanguageStandard>stdcpp17</LanguageStandard>
@ -323,7 +328,7 @@
<Optimization>MaxSpeed</Optimization>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<WholeProgramOptimization>true</WholeProgramOptimization>
<LanguageStandard>stdcpp17</LanguageStandard>
@ -347,7 +352,7 @@
<Optimization>MaxSpeed</Optimization>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<WholeProgramOptimization>false</WholeProgramOptimization>
<LanguageStandard>stdcpp17</LanguageStandard>
@ -370,7 +375,7 @@
<Optimization>MaxSpeed</Optimization>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<AdditionalIncludeDirectories>$(SolutionDir)dep\imgui\include;$(SolutionDir)dep\glad\include;$(SolutionDir)dep\vulkan-loader\include;$(SolutionDir)dep\libretro-common\include;$(SolutionDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<WholeProgramOptimization>true</WholeProgramOptimization>
<LanguageStandard>stdcpp17</LanguageStandard>

2
src/duckstation-libretro/duckstation-libretro.vcxproj.filters
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@ -8,6 +8,7 @@
<ClCompile Include="libretro_settings_interface.cpp" />
<ClCompile Include="libretro_opengl_host_display.cpp" />
<ClCompile Include="libretro_d3d11_host_display.cpp" />
<ClCompile Include="libretro_vulkan_host_display.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="libretro_host_interface.h" />
@ -16,5 +17,6 @@
<ClInclude Include="libretro_settings_interface.h" />
<ClInclude Include="libretro_opengl_host_display.h" />
<ClInclude Include="libretro_d3d11_host_display.h" />
<ClInclude Include="libretro_vulkan_host_display.h" />
</ItemGroup>
</Project>

2
src/duckstation-libretro/libretro_d3d11_host_display.cpp
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@ -4,7 +4,7 @@
#include "common/d3d11/shader_compiler.h"
#include "common/log.h"
#include "libretro_host_interface.h"
Log_SetChannel(D3D11HostDisplay);
Log_SetChannel(LibretroD3D11HostDisplay);
#define HAVE_D3D11
#include "libretro_d3d.h"

18
src/duckstation-libretro/libretro_host_interface.cpp
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@ -13,6 +13,7 @@
#include "libretro_host_display.h"
#include "libretro_opengl_host_display.h"
#include "libretro_settings_interface.h"
#include "libretro_vulkan_host_display.h"
#include <array>
#include <cstring>
#include <tuple>
@ -344,6 +345,7 @@ static std::array<retro_core_option_definition, 22> s_option_definitions = {{
{"D3D11", "Hardware (D3D11)"},
#endif
{"OpenGL", "Hardware (OpenGL)"},
{"Vulkan", "Hardware (Vulkan)"},
{"Software", "Software"}},
#ifdef WIN32
"D3D11"
@ -658,16 +660,14 @@ static std::optional<GPURenderer> RetroHwContextToRenderer(retro_hw_context_type
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
return GPURenderer::HardwareOpenGL;
case RETRO_HW_CONTEXT_VULKAN:
return GPURenderer::HardwareVulkan;
#ifdef WIN32
case RETRO_HW_CONTEXT_DIRECT3D:
return GPURenderer::HardwareD3D11;
#endif
#if 0
case RETRO_HW_CONTEXT_VULKAN:
return GPURenderer::HardwareVulkan;
#endif
default:
return std::nullopt;
}
@ -720,6 +720,10 @@ bool LibretroHostInterface::RequestHardwareRendererContext()
break;
#endif
case GPURenderer::HardwareVulkan:
m_hw_render_callback_valid = LibretroVulkanHostDisplay::RequestHardwareRendererContext(&m_hw_render_callback);
break;
case GPURenderer::HardwareOpenGL:
m_hw_render_callback_valid = LibretroOpenGLHostDisplay::RequestHardwareRendererContext(&m_hw_render_callback);
break;
@ -758,6 +762,10 @@ void LibretroHostInterface::SwitchToHardwareRenderer()
display = std::make_unique<LibretroOpenGLHostDisplay>();
break;
case GPURenderer::HardwareVulkan:
display = std::make_unique<LibretroVulkanHostDisplay>();
break;
#ifdef WIN32
case GPURenderer::HardwareD3D11:
display = std::make_unique<LibretroD3D11HostDisplay>();

261
src/duckstation-libretro/libretro_vulkan_host_display.cpp Normal file
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@ -0,0 +1,261 @@
#include "libretro_vulkan_host_display.h"
#include "common/align.h"
#include "common/assert.h"
#include "common/log.h"
#include "common/vulkan/builders.h"
#include "common/vulkan/context.h"
#include "common/vulkan/shader_cache.h"
#include "common/vulkan/util.h"
#include "libretro_host_interface.h"
#include "vulkan_loader.h"
Log_SetChannel(LibretroVulkanHostDisplay);
LibretroVulkanHostDisplay::LibretroVulkanHostDisplay() = default;
LibretroVulkanHostDisplay::~LibretroVulkanHostDisplay() = default;
void LibretroVulkanHostDisplay::SetVSync(bool enabled)
{
// The libretro frontend controls this.
Log_DevPrintf("Ignoring SetVSync(%u)", BoolToUInt32(enabled));
}
static bool LoadModuleFunctions(VkInstance instance, PFN_vkGetInstanceProcAddr get_instance_proc_addr)
{
#define VULKAN_MODULE_ENTRY_POINT(name, required) \
if (!name && (name = reinterpret_cast<decltype(name)>(get_instance_proc_addr(instance, #name))) == nullptr) \
{ \
Log_ErrorPrintf("Could not get function pointer for '%s'", #name); \
return false; \
}
#include "vulkan_entry_points.inl"
#undef VULKAN_MODULE_ENTRY_POINT
return true;
}
static bool RetroCreateVulkanDevice(struct retro_vulkan_context* context, VkInstance instance, VkPhysicalDevice gpu,
VkSurfaceKHR surface, PFN_vkGetInstanceProcAddr get_instance_proc_addr,
const char** required_device_extensions, unsigned num_required_device_extensions,
const char** required_device_layers, unsigned num_required_device_layers,
const VkPhysicalDeviceFeatures* required_features)
{
// We need some module functions.
vkGetInstanceProcAddr = get_instance_proc_addr;
if (!LoadModuleFunctions(instance, get_instance_proc_addr))
{
Log_ErrorPrintf("Failed to load Vulkan module functions");
Vulkan::ResetVulkanLibraryFunctionPointers();
return false;
}
if (!Vulkan::LoadVulkanInstanceFunctions(instance))
{
Log_ErrorPrintf("Failed to load Vulkan instance functions");
Vulkan::ResetVulkanLibraryFunctionPointers();
return false;
}
if (gpu == VK_NULL_HANDLE)
{
Vulkan::Context::GPUList gpus = Vulkan::Context::EnumerateGPUs(instance);
if (gpus.empty())
{
g_libretro_host_interface.ReportError("No GPU provided and none available, cannot create device");
Vulkan::ResetVulkanLibraryFunctionPointers();
return false;
}
Log_InfoPrintf("No GPU provided, using first/default");
gpu = gpus[0];
}
if (!Vulkan::Context::CreateFromExistingInstance(
instance, gpu, surface, false, false, false, required_device_extensions, num_required_device_extensions,
required_device_layers, num_required_device_layers, required_features))
{
Vulkan::ResetVulkanLibraryFunctionPointers();
return false;
}
context->gpu = g_vulkan_context->GetPhysicalDevice();
context->device = g_vulkan_context->GetDevice();
context->queue = g_vulkan_context->GetGraphicsQueue();
context->queue_family_index = g_vulkan_context->GetGraphicsQueueFamilyIndex();
context->presentation_queue = g_vulkan_context->GetPresentQueue();
context->presentation_queue_family_index = g_vulkan_context->GetPresentQueueFamilyIndex();
return true;
}
static retro_hw_render_context_negotiation_interface_vulkan s_vulkan_context_negotiation_interface = {
RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN, // interface_type
RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN_VERSION, // interface_version
nullptr, // get_application_info
RetroCreateVulkanDevice, // create_device
nullptr // destroy_device
};
bool LibretroVulkanHostDisplay::RequestHardwareRendererContext(retro_hw_render_callback* cb)
{
cb->cache_context = true;
cb->bottom_left_origin = false;
cb->context_type = RETRO_HW_CONTEXT_VULKAN;
return g_retro_environment_callback(RETRO_ENVIRONMENT_SET_HW_RENDER, cb) &&
g_retro_environment_callback(RETRO_ENVIRONMENT_SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE,
&s_vulkan_context_negotiation_interface);
}
bool LibretroVulkanHostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name,
bool debug_device)
{
retro_hw_render_interface* ri = nullptr;
if (!g_retro_environment_callback(RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE, &ri))
{
Log_ErrorPrint("Failed to get HW render interface");
return false;
}
else if (ri->interface_type != RETRO_HW_RENDER_INTERFACE_VULKAN ||
ri->interface_version != RETRO_HW_RENDER_INTERFACE_VULKAN_VERSION)
{
Log_ErrorPrintf("Unexpected HW interface - type %u version %u", static_cast<unsigned>(ri->interface_type),
static_cast<unsigned>(ri->interface_version));
return false;
}
if (!g_vulkan_context)
{
Log_ErrorPrintf("Vulkan context was not negotiated/created");
return false;
}
// TODO: Grab queue? it should be the same
m_ri = reinterpret_cast<const retro_hw_render_interface_vulkan*>(ri);
return true;
}
void LibretroVulkanHostDisplay::DestroyRenderDevice()
{
VulkanHostDisplay::DestroyRenderDevice();
Vulkan::ResetVulkanLibraryFunctionPointers();
}
bool LibretroVulkanHostDisplay::CreateResources()
{
m_frame_render_pass = g_vulkan_context->GetRenderPass(FRAMEBUFFER_FORMAT, VK_FORMAT_UNDEFINED, VK_SAMPLE_COUNT_1_BIT,
VK_ATTACHMENT_LOAD_OP_CLEAR);
if (m_frame_render_pass == VK_NULL_HANDLE)
return false;
return VulkanHostDisplay::CreateResources();
}
void LibretroVulkanHostDisplay::DestroyResources()
{
VulkanHostDisplay::DestroyResources();
Vulkan::Util::SafeDestroyFramebuffer(m_frame_framebuffer);
m_frame_texture.Destroy();
}
VkRenderPass LibretroVulkanHostDisplay::GetRenderPassForDisplay() const
{
return m_frame_render_pass;
}
void LibretroVulkanHostDisplay::ResizeRenderWindow(s32 new_window_width, s32 new_window_height)
{
m_window_info.surface_width = static_cast<u32>(new_window_width);
m_window_info.surface_height = static_cast<u32>(new_window_height);
}
bool LibretroVulkanHostDisplay::Render()
{
const u32 resolution_scale = g_libretro_host_interface.GetResolutionScale();
const u32 display_width = static_cast<u32>(m_display_width) * resolution_scale;
const u32 display_height = static_cast<u32>(m_display_height) * resolution_scale;
if (!CheckFramebufferSize(display_width, display_height))
return false;
VkCommandBuffer cmdbuffer = g_vulkan_context->GetCurrentCommandBuffer();
m_frame_texture.OverrideImageLayout(m_frame_view.image_layout);
m_frame_texture.TransitionToLayout(cmdbuffer, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
const VkClearValue clear_value = {};
const VkRenderPassBeginInfo rp = {
VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, nullptr, m_frame_render_pass, m_frame_framebuffer,
{{0, 0}, {display_width, display_height}}, 1u, &clear_value};
vkCmdBeginRenderPass(cmdbuffer, &rp, VK_SUBPASS_CONTENTS_INLINE);
if (HasDisplayTexture())
{
const auto [left, top, width, height] = CalculateDrawRect(display_width, display_height, 0);
RenderDisplay(left, top, width, height, m_display_texture_handle, m_display_texture_width, m_display_texture_height,
m_display_texture_view_x, m_display_texture_view_y, m_display_texture_view_width,
m_display_texture_view_height, m_display_linear_filtering);
}
if (HasSoftwareCursor())
{
// TODO: Scale mouse x/y
const auto [left, top, width, height] = CalculateSoftwareCursorDrawRect(m_mouse_position_x, m_mouse_position_y);
RenderSoftwareCursor(left, top, width, height, m_cursor_texture.get());
}
vkCmdEndRenderPass(cmdbuffer);
m_frame_texture.TransitionToLayout(cmdbuffer, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
m_frame_view.image_layout = m_frame_texture.GetLayout();
m_ri->set_image(m_ri->handle, &m_frame_view, 0, nullptr, VK_QUEUE_FAMILY_IGNORED);
// TODO: We can't use this because it doesn't support passing fences...
// m_ri->set_command_buffers(m_ri->handle, 1, &cmdbuffer);
m_ri->lock_queue(m_ri->handle);
g_vulkan_context->SubmitCommandBuffer();
m_ri->unlock_queue(m_ri->handle);
g_vulkan_context->MoveToNextCommandBuffer();
g_retro_video_refresh_callback(RETRO_HW_FRAME_BUFFER_VALID, display_width, display_height, 0);
return true;
}
bool LibretroVulkanHostDisplay::CheckFramebufferSize(u32 width, u32 height)
{
static constexpr VkImageUsageFlags usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
static constexpr VkImageViewType view_type = VK_IMAGE_VIEW_TYPE_2D;
static constexpr VkImageTiling tiling = VK_IMAGE_TILING_OPTIMAL;
if (m_frame_texture.GetWidth() == width && m_frame_texture.GetHeight() == height)
return true;
g_vulkan_context->DeferFramebufferDestruction(m_frame_framebuffer);
m_frame_texture.Destroy(true);
if (!m_frame_texture.Create(width, height, 1, 1, FRAMEBUFFER_FORMAT, VK_SAMPLE_COUNT_1_BIT, view_type, tiling, usage))
return false;
VkCommandBuffer cmdbuf = g_vulkan_context->GetCurrentCommandBuffer();
m_frame_texture.TransitionToLayout(cmdbuf, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
static constexpr VkClearColorValue cc = {};
static constexpr VkImageSubresourceRange range = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
vkCmdClearColorImage(cmdbuf, m_frame_texture.GetImage(), m_frame_texture.GetLayout(), &cc, 1, &range);
Vulkan::FramebufferBuilder fbb;
fbb.SetRenderPass(m_frame_render_pass);
fbb.AddAttachment(m_frame_texture.GetView());
fbb.SetSize(width, height, 1);
m_frame_framebuffer = fbb.Create(g_vulkan_context->GetDevice(), false);
if (m_frame_framebuffer == VK_NULL_HANDLE)
return false;
m_frame_view = {};
m_frame_view.image_view = m_frame_texture.GetView();
m_frame_view.image_layout = m_frame_texture.GetLayout();
m_frame_view.create_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
m_frame_view.create_info.image = m_frame_texture.GetImage();
m_frame_view.create_info.viewType = view_type;
m_frame_view.create_info.format = FRAMEBUFFER_FORMAT;
m_frame_view.create_info.components = {VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B,
VK_COMPONENT_SWIZZLE_A};
m_frame_view.create_info.subresourceRange = range;
return true;
}

42
src/duckstation-libretro/libretro_vulkan_host_display.h Normal file
View File

@ -0,0 +1,42 @@
#pragma once
#include "common/vulkan/texture.h"
#include "frontend-common/vulkan_host_display.h"
#include "libretro.h"
#define HAVE_VULKAN
#include "libretro_vulkan.h"
class LibretroVulkanHostDisplay final : public FrontendCommon::VulkanHostDisplay
{
public:
LibretroVulkanHostDisplay();
~LibretroVulkanHostDisplay();
static bool RequestHardwareRendererContext(retro_hw_render_callback* cb);
bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device) override;
void DestroyRenderDevice() override;
void ResizeRenderWindow(s32 new_window_width, s32 new_window_height) override;
void SetVSync(bool enabled) override;
bool Render() override;
protected:
bool CreateResources() override;
void DestroyResources() override;
VkRenderPass GetRenderPassForDisplay() const override;
private:
static constexpr VkFormat FRAMEBUFFER_FORMAT = VK_FORMAT_R8G8B8A8_UNORM;
bool CheckFramebufferSize(u32 width, u32 height);
const retro_hw_render_interface_vulkan* m_ri = nullptr;
Vulkan::Texture m_frame_texture;
retro_vulkan_image m_frame_view = {};
VkFramebuffer m_frame_framebuffer = VK_NULL_HANDLE;
VkRenderPass m_frame_render_pass = VK_NULL_HANDLE;
};