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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/common_types.h"
#include "video_core/engines/maxwell_3d.h"
namespace VideoCore {
class RasterizerInterface;
}
namespace Tegra::Engines {
using PrimitiveTopologyControl = Maxwell3D::Regs::PrimitiveTopologyControl;
using PrimitiveTopology = Maxwell3D::Regs::PrimitiveTopology;
using PrimitiveTopologyOverride = Maxwell3D::Regs::PrimitiveTopologyOverride;
using IndexBuffer = Maxwell3D::Regs::IndexBuffer;
using VertexBuffer = Maxwell3D::Regs::VertexBuffer;
using IndexBufferSmall = Maxwell3D::Regs::IndexBufferSmall;
class DrawManager {
public:
enum class DrawMode : u32 { General = 0, Instance, InlineIndex };
struct State {
PrimitiveTopology topology{};
DrawMode draw_mode{};
bool draw_indexed{};
u32 base_index{};
VertexBuffer vertex_buffer;
IndexBuffer index_buffer;
u32 base_instance{};
u32 instance_count{};
std::vector<u8> inline_index_draw_indexes;
};
struct IndirectParams {
bool is_indexed;
bool include_count;
GPUVAddr count_start_address;
GPUVAddr indirect_start_address;
size_t buffer_size;
size_t max_draw_counts;
size_t stride;
};
explicit DrawManager(Maxwell3D* maxwell_3d);
void ProcessMethodCall(u32 method, u32 argument);
void Clear(u32 layer_count);
void DrawDeferred();
void DrawArray(PrimitiveTopology topology, u32 vertex_first, u32 vertex_count,
u32 base_instance, u32 num_instances);
void DrawIndex(PrimitiveTopology topology, u32 index_first, u32 index_count, u32 base_index,
u32 base_instance, u32 num_instances);
void DrawArrayIndirect(PrimitiveTopology topology);
void DrawIndexedIndirect(PrimitiveTopology topology, u32 index_first, u32 index_count);
const State& GetDrawState() const {
return draw_state;
}
IndirectParams& GetIndirectParams() {
return indirect_state;
}
const IndirectParams& GetIndirectParams() const {
return indirect_state;
}
private:
void SetInlineIndexBuffer(u32 index);
void DrawBegin();
void DrawEnd(u32 instance_count = 1, bool force_draw = false);
void DrawIndexSmall(u32 argument);
void UpdateTopology();
void ProcessDraw(bool draw_indexed, u32 instance_count);
void ProcessDrawIndirect();
Maxwell3D* maxwell3d{};
State draw_state{};
IndirectParams indirect_state{};
};
} // namespace Tegra::Engines
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