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Vulkan/Context: Support specifying GPU to use

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This commit is contained in:
Connor McLaughlin 2020-06-20 03:33:55 +10:00
parent 4a04800132
commit 1b5f8db2fc
3 changed files with 22 additions and 9 deletions
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27
src/common/vulkan/context.cpp
View file

@ -271,7 +271,7 @@ Context::GPUNameList Context::EnumerateGPUNames(VkInstance instance)
return gpu_names;
}
bool Context::Create(u32 gpu_index, const WindowInfo* wi, std::unique_ptr<SwapChain>* out_swap_chain,
bool Context::Create(std::string_view gpu_name, const WindowInfo* wi, std::unique_ptr<SwapChain>* out_swap_chain,
bool enable_debug_reports, bool enable_validation_layer)
{
AssertMsg(!g_vulkan_context, "Has no current context");
@ -306,14 +306,27 @@ bool Context::Create(u32 gpu_index, const WindowInfo* wi, std::unique_ptr<SwapCh
return false;
}
u32 gpu_index = 0;
GPUNameList gpu_names = EnumerateGPUNames(instance);
for (u32 i = 0; i < gpu_names.size(); i++)
Log_InfoPrintf("GPU %u: %s", static_cast<u32>(i), gpu_names[i].c_str());
if (gpu_index >= gpus.size())
if (!gpu_name.empty())
{
Log_WarningPrintf("GPU index (%u) out of range (%u), using first", gpu_index, static_cast<u32>(gpus.size()));
gpu_index = 0;
for (; gpu_index < static_cast<u32>(gpu_names.size()); gpu_index++)
{
Log_InfoPrintf("GPU %u: %s", static_cast<u32>(gpu_index), gpu_names[gpu_index].c_str());
if (gpu_names[gpu_index] == gpu_name)
break;
}
if (gpu_index == static_cast<u32>(gpu_names.size()))
{
Log_WarningPrintf("Requested GPU '%s' not found, using first (%s)", std::string(gpu_name).c_str(),
gpu_names[0].c_str());
gpu_index = 0;
}
}
else
{
Log_InfoPrintf("No GPU requested, using first (%s)", gpu_names[0].c_str());
}
VkSurfaceKHR surface = VK_NULL_HANDLE;

2
src/common/vulkan/context.h
View file

@ -43,7 +43,7 @@ public:
static GPUNameList EnumerateGPUNames(VkInstance instance);
// Creates a new context and sets it up as global.
static bool Create(u32 gpu_index, const WindowInfo* wi, std::unique_ptr<SwapChain>* out_swap_chain,
static bool Create(std::string_view gpu_name, const WindowInfo* wi, std::unique_ptr<SwapChain>* out_swap_chain,
bool enable_debug_reports, bool enable_validation_layer);
// Destroys context.

2
src/frontend-common/vulkan_host_display.cpp
View file

@ -194,7 +194,7 @@ void VulkanHostDisplay::SetVSync(bool enabled)
bool VulkanHostDisplay::CreateContextAndSwapChain(const WindowInfo& wi, bool debug_device)
{
if (!Vulkan::Context::Create(0u, &wi, &m_swap_chain, debug_device, false))
if (!Vulkan::Context::Create({}, &wi, &m_swap_chain, debug_device, false))
{
Log_ErrorPrintf("Failed to create Vulkan context");
return false;