Files
citra/src/video_core/video_core.cpp
2022-12-25 22:29:04 +02:00

114 lines
3.7 KiB
C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include "common/archives.h"
#include "common/logging/log.h"
#include "common/settings.h"
#include "video_core/pica.h"
#include "video_core/pica_state.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_opengl/gl_vars.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
#include "video_core/renderer_vulkan/renderer_vulkan.h"
#include "video_core/video_core.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Video Core namespace
namespace VideoCore {
std::unique_ptr<RendererBase> g_renderer; ///< Renderer plugin
std::atomic<bool> g_hw_renderer_enabled;
std::atomic<bool> g_shader_jit_enabled;
std::atomic<bool> g_hw_shader_enabled;
std::atomic<bool> g_separable_shader_enabled;
std::atomic<bool> g_hw_shader_accurate_mul;
std::atomic<bool> g_use_disk_shader_cache;
std::atomic<bool> g_renderer_bg_color_update_requested;
std::atomic<bool> g_renderer_sampler_update_requested;
std::atomic<bool> g_renderer_shader_update_requested;
std::atomic<bool> g_texture_filter_update_requested;
// Screenshot
std::atomic<bool> g_renderer_screenshot_requested;
void* g_screenshot_bits;
std::function<void()> g_screenshot_complete_callback;
Layout::FramebufferLayout g_screenshot_framebuffer_layout;
Memory::MemorySystem* g_memory;
/// Initialize the video core
ResultStatus Init(Frontend::EmuWindow& emu_window, Frontend::EmuWindow* secondary_window,
Memory::MemorySystem& memory) {
g_memory = &memory;
Pica::Init();
const Settings::GraphicsAPI graphics_api = Settings::values.graphics_api.GetValue();
switch (graphics_api) {
case Settings::GraphicsAPI::OpenGL:
case Settings::GraphicsAPI::OpenGLES:
OpenGL::GLES = graphics_api == Settings::GraphicsAPI::OpenGLES;
g_renderer = std::make_unique<OpenGL::RendererOpenGL>(emu_window, secondary_window);
break;
case Settings::GraphicsAPI::Vulkan:
g_renderer = std::make_unique<Vulkan::RendererVulkan>(emu_window, secondary_window);
break;
default:
LOG_CRITICAL(Render, "Invalid graphics API enum value {}", graphics_api);
UNREACHABLE();
}
ResultStatus result = g_renderer->Init();
if (result != ResultStatus::Success) {
LOG_ERROR(Render, "Video core initialization failed");
} else {
LOG_INFO(Render, "Video core initialization OK");
}
return result;
}
/// Shutdown the video core
void Shutdown() {
Pica::Shutdown();
g_renderer->ShutDown();
g_renderer.reset();
LOG_DEBUG(Render, "shutdown OK");
}
void RequestScreenshot(void* data, std::function<void()> callback,
const Layout::FramebufferLayout& layout) {
if (g_renderer_screenshot_requested) {
LOG_ERROR(Render, "A screenshot is already requested or in progress, ignoring the request");
return;
}
g_screenshot_bits = data;
g_screenshot_complete_callback = std::move(callback);
g_screenshot_framebuffer_layout = layout;
g_renderer_screenshot_requested = true;
}
u16 GetResolutionScaleFactor() {
if (g_hw_renderer_enabled) {
return Settings::values.resolution_factor.GetValue()
? Settings::values.resolution_factor.GetValue()
: g_renderer->GetRenderWindow().GetFramebufferLayout().GetScalingRatio();
} else {
// Software renderer always render at native resolution
return 1;
}
}
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& Pica::g_state;
}
} // namespace VideoCore
SERIALIZE_IMPL(VideoCore)