62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <memory>
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#include "common/logging/log.h"
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#include "common/settings.h"
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#include "core/core.h"
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#include "video_core/renderer_base.h"
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#include "video_core/renderer_opengl/renderer_opengl.h"
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#include "video_core/renderer_vulkan/renderer_vulkan.h"
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#include "video_core/video_core.h"
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namespace {
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std::unique_ptr<VideoCore::RendererBase> CreateRenderer(
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Core::System& system, Core::Frontend::EmuWindow& emu_window, Tegra::GPU& gpu,
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std::unique_ptr<Core::Frontend::GraphicsContext> context) {
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auto& telemetry_session = system.TelemetrySession();
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auto& cpu_memory = system.Memory();
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switch (Settings::values.renderer_backend.GetValue()) {
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case Settings::RendererBackend::OpenGL:
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return std::make_unique<OpenGL::RendererOpenGL>(telemetry_session, emu_window, cpu_memory,
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gpu, std::move(context));
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case Settings::RendererBackend::Vulkan:
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return std::make_unique<Vulkan::RendererVulkan>(telemetry_session, emu_window, cpu_memory,
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gpu, std::move(context));
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default:
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return nullptr;
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}
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}
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} // Anonymous namespace
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namespace VideoCore {
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std::unique_ptr<Tegra::GPU> CreateGPU(Core::Frontend::EmuWindow& emu_window, Core::System& system) {
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const auto nvdec_value = Settings::values.nvdec_emulation.GetValue();
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const bool use_nvdec = nvdec_value != Settings::NvdecEmulation::Off;
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const bool use_async = Settings::values.use_asynchronous_gpu_emulation.GetValue();
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auto gpu = std::make_unique<Tegra::GPU>(system, use_async, use_nvdec);
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auto context = emu_window.CreateSharedContext();
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auto scope = context->Acquire();
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try {
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auto renderer = CreateRenderer(system, emu_window, *gpu, std::move(context));
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gpu->BindRenderer(std::move(renderer));
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return gpu;
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} catch (const std::runtime_error& exception) {
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LOG_ERROR(HW_GPU, "Failed to initialize GPU: {}", exception.what());
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return nullptr;
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}
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}
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float GetResolutionScaleFactor(const RendererBase& renderer) {
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return Settings::values.resolution_info.active
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? Settings::values.resolution_info.up_factor
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: renderer.GetRenderWindow().GetFramebufferLayout().GetScalingRatio();
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}
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} // namespace VideoCore
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