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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <functional>
#include <optional>
#include <span>
#include <stop_token>
#include "common/common_types.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/gpu.h"
namespace Tegra {
class MemoryManager;
namespace Engines {
class AccelerateDMAInterface;
}
} // namespace Tegra
namespace VideoCore {
enum class QueryType {
SamplesPassed,
};
constexpr std::size_t NumQueryTypes = 1;
enum class LoadCallbackStage {
Prepare,
Build,
Complete,
};
using DiskResourceLoadCallback = std::function<void(LoadCallbackStage, std::size_t, std::size_t)>;
class RasterizerInterface {
public:
virtual ~RasterizerInterface() = default;
/// Dispatches a draw invocation
virtual void Draw(bool is_indexed, bool is_instanced) = 0;
/// Clear the current framebuffer
virtual void Clear() = 0;
/// Dispatches a compute shader invocation
virtual void DispatchCompute() = 0;
/// Resets the counter of a query
virtual void ResetCounter(QueryType type) = 0;
/// Records a GPU query and caches it
virtual void Query(GPUVAddr gpu_addr, QueryType type, std::optional<u64> timestamp) = 0;
/// Signal an uniform buffer binding
virtual void BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr,
u32 size) = 0;
/// Signal disabling of a uniform buffer
virtual void DisableGraphicsUniformBuffer(size_t stage, u32 index) = 0;
/// Signal a GPU based semaphore as a fence
virtual void SignalSemaphore(GPUVAddr addr, u32 value) = 0;
/// Signal a GPU based syncpoint as a fence
virtual void SignalSyncPoint(u32 value) = 0;
/// Signal a GPU based reference as point
virtual void SignalReference() = 0;
/// Release all pending fences.
virtual void ReleaseFences() = 0;
/// Notify rasterizer that all caches should be flushed to Switch memory
virtual void FlushAll() = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
virtual void FlushRegion(VAddr addr, u64 size) = 0;
/// Check if the the specified memory area requires flushing to CPU Memory.
virtual bool MustFlushRegion(VAddr addr, u64 size) = 0;
/// Notify rasterizer that any caches of the specified region should be invalidated
virtual void InvalidateRegion(VAddr addr, u64 size) = 0;
/// Notify rasterizer that any caches of the specified region are desync with guest
virtual void OnCPUWrite(VAddr addr, u64 size) = 0;
/// Sync memory between guest and host.
virtual void SyncGuestHost() = 0;
/// Unmap memory range
virtual void UnmapMemory(VAddr addr, u64 size) = 0;
/// Remap GPU memory range. This means underneath backing memory changed
virtual void ModifyGPUMemory(GPUVAddr addr, u64 size) = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
/// and invalidated
virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;
/// Notify the host renderer to wait for previous primitive and compute operations.
virtual void WaitForIdle() = 0;
/// Notify the host renderer to wait for reads and writes to render targets and flush caches.
virtual void FragmentBarrier() = 0;
/// Notify the host renderer to make available previous render target writes.
virtual void TiledCacheBarrier() = 0;
/// Notify the rasterizer to send all written commands to the host GPU.
virtual void FlushCommands() = 0;
/// Notify rasterizer that a frame is about to finish
virtual void TickFrame() = 0;
/// Attempt to use a faster method to perform a surface copy
[[nodiscard]] virtual bool AccelerateSurfaceCopy(
const Tegra::Engines::Fermi2D::Surface& src, const Tegra::Engines::Fermi2D::Surface& dst,
const Tegra::Engines::Fermi2D::Config& copy_config) {
return false;
}
[[nodiscard]] virtual Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() = 0;
virtual void AccelerateInlineToMemory(GPUVAddr address, size_t copy_size,
std::span<u8> memory) = 0;
/// Attempt to use a faster method to display the framebuffer to screen
[[nodiscard]] virtual bool AccelerateDisplay(const Tegra::FramebufferConfig& config,
VAddr framebuffer_addr, u32 pixel_stride) {
return false;
}
/// Increase/decrease the number of object in pages touching the specified region
virtual void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {}
/// Initialize disk cached resources for the game being emulated
virtual void LoadDiskResources(u64 title_id, std::stop_token stop_loading,
const DiskResourceLoadCallback& callback) {}
};
} // namespace VideoCore
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