citra/src/video_core/rasterizer_interface.h
2020-04-11 10:28:52 +01:00

94 lines
3.1 KiB
C++

// 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"
#include "core/hw/gpu.h"
namespace OpenGL {
struct ScreenInfo;
}
namespace Pica::Shader {
struct OutputVertex;
} // namespace Pica::Shader
namespace VideoCore {
enum class LoadCallbackStage {
Prepare,
Decompile,
Build,
Complete,
};
using DiskResourceLoadCallback = std::function<void(LoadCallbackStage, std::size_t, std::size_t)>;
class RasterizerInterface {
public:
virtual ~RasterizerInterface() {}
/// Queues the primitive formed by the given vertices for rendering
virtual void AddTriangle(const Pica::Shader::OutputVertex& v0,
const Pica::Shader::OutputVertex& v1,
const Pica::Shader::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 GPU::Regs::DisplayTransferConfig& config) {
return false;
}
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 1
virtual bool AccelerateTextureCopy(const GPU::Regs::DisplayTransferConfig& config) {
return false;
}
/// Attempt to use a faster method to fill a region
virtual bool AccelerateFill(const GPU::Regs::MemoryFillConfig& config) {
return false;
}
/// Attempt to use a faster method to display the framebuffer to screen
virtual bool AccelerateDisplay(const GPU::Regs::FramebufferConfig& config,
PAddr framebuffer_addr, u32 pixel_stride,
OpenGL::ScreenInfo& screen_info) {
return false;
}
/// Attempt to draw using hardware shaders
virtual bool AccelerateDrawBatch(bool is_indexed) {
return false;
}
virtual void LoadDiskResources(const std::atomic_bool& stop_loading,
const DiskResourceLoadCallback& callback) {}
virtual void SyncEntireState() {}
};
} // namespace VideoCore