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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include <functional>
#include "common/common_types.h"
namespace Pica {
struct OutputVertex;
}
namespace Pica {
struct DisplayTransferConfig;
struct MemoryFillConfig;
} // namespace Pica
namespace VideoCore {
enum class LoadCallbackStage {
Prepare,
Preload,
Decompile,
Build,
Complete,
};
using DiskResourceLoadCallback = std::function<void(LoadCallbackStage, std::size_t, std::size_t)>;
class RasterizerInterface {
public:
virtual ~RasterizerInterface() = default;
/// Queues the primitive formed by the given vertices for rendering
virtual void AddTriangle(const Pica::OutputVertex& v0, const Pica::OutputVertex& v1,
const Pica::OutputVertex& v2) = 0;
/// Draw the current batch of triangles
virtual void DrawTriangles() = 0;
/// Notify rasterizer that the specified PICA register has been changed
virtual void NotifyPicaRegisterChanged(u32 id) = 0;
/// Notify rasterizer that all caches should be flushed to 3DS memory
virtual void FlushAll() = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to 3DS memory
virtual void FlushRegion(PAddr addr, u32 size) = 0;
/// Notify rasterizer that any caches of the specified region should be invalidated
virtual void InvalidateRegion(PAddr addr, u32 size) = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to 3DS memory
/// and invalidated
virtual void FlushAndInvalidateRegion(PAddr addr, u32 size) = 0;
/// Removes as much state as possible from the rasterizer in preparation for a save/load state
virtual void ClearAll(bool flush) = 0;
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 0
virtual bool AccelerateDisplayTransfer(const Pica::DisplayTransferConfig&) {
return false;
}
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 1
virtual bool AccelerateTextureCopy(const Pica::DisplayTransferConfig&) {
return false;
}
/// Attempt to use a faster method to fill a region
virtual bool AccelerateFill(const Pica::MemoryFillConfig&) {
return false;
}
/// Attempt to draw using hardware shaders
virtual bool AccelerateDrawBatch([[maybe_unused]] bool is_indexed) {
return false;
}
virtual void LoadDiskResources([[maybe_unused]] const std::atomic_bool& stop_loading,
[[maybe_unused]] const DiskResourceLoadCallback& callback) {}
virtual void SyncEntireState() {}
};
} // namespace VideoCore
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