citra/src/video_core/video_core.cpp

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// 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"
#include "core/settings.h"
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#include "video_core/pica.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
#include "video_core/video_core.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
// Video Core namespace
namespace VideoCore {
std::unique_ptr<RendererBase> g_renderer; ///< Renderer plugin
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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_hw_shader_accurate_gs;
std::atomic<bool> g_hw_shader_accurate_mul;
std::atomic<bool> g_renderer_bg_color_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;
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/// Initialize the video core
Core::System::ResultStatus Init(EmuWindow& emu_window) {
Pica::Init();
g_renderer = std::make_unique<OpenGL::RendererOpenGL>(emu_window);
Core::System::ResultStatus result = g_renderer->Init();
if (result != Core::System::ResultStatus::Success) {
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LOG_ERROR(Render, "initialization failed !");
} else {
LOG_DEBUG(Render, "initialized OK");
}
return result;
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}
/// Shutdown the video core
void Shutdown() {
Pica::Shutdown();
g_renderer.reset();
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LOG_DEBUG(Render, "shutdown OK");
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}
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
? g_renderer->GetRenderWindow().GetFramebufferLayout().GetScalingRatio()
: Settings::values.resolution_factor;
} else {
// Software renderer always render at native resolution
return 1;
}
}
} // namespace VideoCore