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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include "common/logging/log.h"
#include "core/core.h"
#include "core/settings.h"
#include "video_core/gpu_asynch.h"
#include "video_core/gpu_synch.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
#include "video_core/renderer_vulkan/renderer_vulkan.h"
#include "video_core/video_core.h"
namespace {
std::unique_ptr<VideoCore::RendererBase> CreateRenderer(
Core::System& system, Core::Frontend::EmuWindow& emu_window, Tegra::GPU& gpu,
std::unique_ptr<Core::Frontend::GraphicsContext> context) {
auto& telemetry_session = system.TelemetrySession();
auto& cpu_memory = system.Memory();
switch (Settings::values.renderer_backend.GetValue()) {
case Settings::RendererBackend::OpenGL:
return std::make_unique<OpenGL::RendererOpenGL>(telemetry_session, emu_window, cpu_memory,
gpu, std::move(context));
case Settings::RendererBackend::Vulkan:
return std::make_unique<Vulkan::RendererVulkan>(telemetry_session, emu_window, cpu_memory,
gpu, std::move(context));
default:
return nullptr;
}
}
} // Anonymous namespace
namespace VideoCore {
std::unique_ptr<Tegra::GPU> CreateGPU(Core::Frontend::EmuWindow& emu_window, Core::System& system) {
std::unique_ptr<Tegra::GPU> gpu;
const bool use_nvdec = Settings::values.use_nvdec_emulation.GetValue();
if (Settings::values.use_asynchronous_gpu_emulation.GetValue()) {
gpu = std::make_unique<VideoCommon::GPUAsynch>(system, use_nvdec);
} else {
gpu = std::make_unique<VideoCommon::GPUSynch>(system, use_nvdec);
}
auto context = emu_window.CreateSharedContext();
const auto scope = context->Acquire();
auto renderer = CreateRenderer(system, emu_window, *gpu, std::move(context));
if (!renderer->Init()) {
return nullptr;
}
gpu->BindRenderer(std::move(renderer));
return gpu;
}
u16 GetResolutionScaleFactor(const RendererBase& renderer) {
return static_cast<u16>(
Settings::values.resolution_factor.GetValue() != 0
? Settings::values.resolution_factor.GetValue()
: renderer.GetRenderWindow().GetFramebufferLayout().GetScalingRatio());
}
} // namespace VideoCore
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