856 lines
34 KiB
C#
856 lines
34 KiB
C#
using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.Gpu.Engine.Types;
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using Ryujinx.Graphics.Gpu.Memory;
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using System;
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namespace Ryujinx.Graphics.Gpu.Engine.Threed
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{
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/// <summary>
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/// Draw manager.
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/// </summary>
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class DrawManager
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{
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// Since we don't know the index buffer size for indirect draws,
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// we must assume a minimum and maximum size and use that for buffer data update purposes.
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private const int MinIndirectIndexCount = 0x10000;
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private const int MaxIndirectIndexCount = 0x4000000;
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private readonly GpuContext _context;
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private readonly GpuChannel _channel;
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private readonly DeviceStateWithShadow<ThreedClassState> _state;
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private readonly DrawState _drawState;
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private readonly SpecializationStateUpdater _currentSpecState;
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private bool _topologySet;
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private bool _instancedDrawPending;
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private bool _instancedIndexed;
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private bool _instancedIndexedInline;
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private int _instancedFirstIndex;
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private int _instancedFirstVertex;
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private int _instancedFirstInstance;
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private int _instancedIndexCount;
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private int _instancedDrawStateFirst;
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private int _instancedDrawStateCount;
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private int _instanceIndex;
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private const int VertexBufferFirstMethodOffset = 0x35d;
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private const int IndexBufferCountMethodOffset = 0x5f8;
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/// <summary>
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/// Creates a new instance of the draw manager.
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/// </summary>
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/// <param name="context">GPU context</param>
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/// <param name="channel">GPU channel</param>
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/// <param name="state">Channel state</param>
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/// <param name="drawState">Draw state</param>
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/// <param name="spec">Specialization state updater</param>
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public DrawManager(GpuContext context, GpuChannel channel, DeviceStateWithShadow<ThreedClassState> state, DrawState drawState, SpecializationStateUpdater spec)
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{
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_context = context;
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_channel = channel;
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_state = state;
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_drawState = drawState;
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_currentSpecState = spec;
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}
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/// <summary>
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/// Marks the entire state as dirty, forcing a full host state update before the next draw.
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/// </summary>
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public void ForceStateDirty()
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{
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_topologySet = false;
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}
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/// <summary>
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/// Pushes four 8-bit index buffer elements.
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/// </summary>
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/// <param name="argument">Method call argument</param>
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public void VbElementU8(int argument)
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{
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_drawState.IbStreamer.VbElementU8(_context.Renderer, argument);
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}
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/// <summary>
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/// Pushes two 16-bit index buffer elements.
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/// </summary>
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/// <param name="argument">Method call argument</param>
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public void VbElementU16(int argument)
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{
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_drawState.IbStreamer.VbElementU16(_context.Renderer, argument);
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}
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/// <summary>
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/// Pushes one 32-bit index buffer element.
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/// </summary>
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/// <param name="argument">Method call argument</param>
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public void VbElementU32(int argument)
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{
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_drawState.IbStreamer.VbElementU32(_context.Renderer, argument);
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}
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/// <summary>
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/// Finishes the draw call.
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/// This draws geometry on the bound buffers based on the current GPU state.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawEnd(ThreedClass engine, int argument)
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{
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DrawEnd(
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engine,
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_state.State.IndexBufferState.First,
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(int)_state.State.IndexBufferCount,
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_state.State.VertexBufferDrawState.First,
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_state.State.VertexBufferDrawState.Count);
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}
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/// <summary>
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/// Finishes the draw call.
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/// This draws geometry on the bound buffers based on the current GPU state.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="firstIndex">Index of the first index buffer element used on the draw</param>
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/// <param name="indexCount">Number of index buffer elements used on the draw</param>
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/// <param name="drawFirstVertex">Index of the first vertex used on the draw</param>
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/// <param name="drawVertexCount">Number of vertices used on the draw</param>
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private void DrawEnd(ThreedClass engine, int firstIndex, int indexCount, int drawFirstVertex, int drawVertexCount)
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{
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ConditionalRenderEnabled renderEnable = ConditionalRendering.GetRenderEnable(
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_context,
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_channel.MemoryManager,
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_state.State.RenderEnableAddress,
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_state.State.RenderEnableCondition);
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if (renderEnable == ConditionalRenderEnabled.False || _instancedDrawPending)
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{
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if (renderEnable == ConditionalRenderEnabled.False)
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{
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PerformDeferredDraws();
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}
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_drawState.DrawIndexed = false;
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if (renderEnable == ConditionalRenderEnabled.Host)
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{
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_context.Renderer.Pipeline.EndHostConditionalRendering();
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}
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return;
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}
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_drawState.FirstIndex = firstIndex;
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_drawState.IndexCount = indexCount;
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_drawState.DrawFirstVertex = drawFirstVertex;
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_drawState.DrawVertexCount = drawVertexCount;
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_currentSpecState.SetHasConstantBufferDrawParameters(false);
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engine.UpdateState();
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bool instanced = _drawState.VsUsesInstanceId || _drawState.IsAnyVbInstanced;
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if (instanced)
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{
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_instancedDrawPending = true;
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int ibCount = _drawState.IbStreamer.InlineIndexCount;
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_instancedIndexed = _drawState.DrawIndexed;
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_instancedIndexedInline = ibCount != 0;
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_instancedFirstIndex = firstIndex;
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_instancedFirstVertex = (int)_state.State.FirstVertex;
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_instancedFirstInstance = (int)_state.State.FirstInstance;
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_instancedIndexCount = ibCount != 0 ? ibCount : indexCount;
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_instancedDrawStateFirst = drawFirstVertex;
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_instancedDrawStateCount = drawVertexCount;
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_drawState.DrawIndexed = false;
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if (renderEnable == ConditionalRenderEnabled.Host)
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{
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_context.Renderer.Pipeline.EndHostConditionalRendering();
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}
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return;
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}
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int firstInstance = (int)_state.State.FirstInstance;
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int inlineIndexCount = _drawState.IbStreamer.GetAndResetInlineIndexCount(_context.Renderer);
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if (inlineIndexCount != 0)
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{
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int firstVertex = (int)_state.State.FirstVertex;
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BufferRange br = new BufferRange(_drawState.IbStreamer.GetInlineIndexBuffer(), 0, inlineIndexCount * 4);
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_channel.BufferManager.SetIndexBuffer(br, IndexType.UInt);
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_context.Renderer.Pipeline.DrawIndexed(inlineIndexCount, 1, firstIndex, firstVertex, firstInstance);
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}
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else if (_drawState.DrawIndexed)
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{
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int firstVertex = (int)_state.State.FirstVertex;
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_context.Renderer.Pipeline.DrawIndexed(indexCount, 1, firstIndex, firstVertex, firstInstance);
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}
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else
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{
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var drawState = _state.State.VertexBufferDrawState;
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_context.Renderer.Pipeline.Draw(drawVertexCount, 1, drawFirstVertex, firstInstance);
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}
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_drawState.DrawIndexed = false;
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if (renderEnable == ConditionalRenderEnabled.Host)
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{
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_context.Renderer.Pipeline.EndHostConditionalRendering();
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}
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}
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/// <summary>
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/// Starts draw.
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/// This sets primitive type and instanced draw parameters.
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/// </summary>
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/// <param name="argument">Method call argument</param>
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public void DrawBegin(int argument)
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{
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bool incrementInstance = (argument & (1 << 26)) != 0;
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bool resetInstance = (argument & (1 << 27)) == 0;
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PrimitiveType type = (PrimitiveType)(argument & 0xffff);
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DrawBegin(incrementInstance, resetInstance, type);
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}
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/// <summary>
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/// Starts draw.
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/// This sets primitive type and instanced draw parameters.
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/// </summary>
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/// <param name="incrementInstance">Indicates if the current instance should be incremented</param>
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/// <param name="resetInstance">Indicates if the current instance should be set to zero</param>
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/// <param name="primitiveType">Primitive type</param>
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private void DrawBegin(bool incrementInstance, bool resetInstance, PrimitiveType primitiveType)
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{
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if (incrementInstance)
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{
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_instanceIndex++;
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}
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else if (resetInstance)
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{
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PerformDeferredDraws();
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_instanceIndex = 0;
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}
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PrimitiveTopology topology;
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if (_state.State.PrimitiveTypeOverrideEnable)
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{
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PrimitiveTypeOverride typeOverride = _state.State.PrimitiveTypeOverride;
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topology = typeOverride.Convert();
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}
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else
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{
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topology = primitiveType.Convert();
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}
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UpdateTopology(topology);
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}
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/// <summary>
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/// Updates the current primitive topology if needed.
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/// </summary>
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/// <param name="topology">New primitive topology</param>
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private void UpdateTopology(PrimitiveTopology topology)
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{
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if (_drawState.Topology != topology || !_topologySet)
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{
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_context.Renderer.Pipeline.SetPrimitiveTopology(topology);
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_currentSpecState.SetTopology(topology);
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_drawState.Topology = topology;
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_topologySet = true;
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}
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}
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/// <summary>
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/// Sets the index buffer count.
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/// This also sets internal state that indicates that the next draw is an indexed draw.
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/// </summary>
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/// <param name="argument">Method call argument</param>
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public void SetIndexBufferCount(int argument)
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{
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_drawState.DrawIndexed = true;
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}
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// TODO: Verify if the index type is implied from the method that is called,
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// or if it uses the state index type on hardware.
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/// <summary>
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/// Performs a indexed draw with 8-bit index buffer elements.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawIndexBuffer8BeginEndInstanceFirst(ThreedClass engine, int argument)
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{
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DrawIndexBufferBeginEndInstance(engine, argument, false);
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}
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/// <summary>
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/// Performs a indexed draw with 16-bit index buffer elements.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawIndexBuffer16BeginEndInstanceFirst(ThreedClass engine, int argument)
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{
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DrawIndexBufferBeginEndInstance(engine, argument, false);
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}
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/// <summary>
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/// Performs a indexed draw with 32-bit index buffer elements.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawIndexBuffer32BeginEndInstanceFirst(ThreedClass engine, int argument)
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{
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DrawIndexBufferBeginEndInstance(engine, argument, false);
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}
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/// <summary>
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/// Performs a indexed draw with 8-bit index buffer elements,
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/// while also pre-incrementing the current instance value.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawIndexBuffer8BeginEndInstanceSubsequent(ThreedClass engine, int argument)
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{
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DrawIndexBufferBeginEndInstance(engine, argument, true);
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}
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/// <summary>
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/// Performs a indexed draw with 16-bit index buffer elements,
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/// while also pre-incrementing the current instance value.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawIndexBuffer16BeginEndInstanceSubsequent(ThreedClass engine, int argument)
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{
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DrawIndexBufferBeginEndInstance(engine, argument, true);
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}
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/// <summary>
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/// Performs a indexed draw with 32-bit index buffer elements,
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/// while also pre-incrementing the current instance value.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawIndexBuffer32BeginEndInstanceSubsequent(ThreedClass engine, int argument)
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{
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DrawIndexBufferBeginEndInstance(engine, argument, true);
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}
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/// <summary>
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/// Performs a indexed draw with a low number of index buffer elements,
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/// while optionally also pre-incrementing the current instance value.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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/// <param name="instanced">True to increment the current instance value, false otherwise</param>
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private void DrawIndexBufferBeginEndInstance(ThreedClass engine, int argument, bool instanced)
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{
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DrawBegin(instanced, !instanced, (PrimitiveType)((argument >> 28) & 0xf));
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int firstIndex = argument & 0xffff;
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int indexCount = (argument >> 16) & 0xfff;
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bool oldDrawIndexed = _drawState.DrawIndexed;
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_drawState.DrawIndexed = true;
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engine.ForceStateDirty(IndexBufferCountMethodOffset * 4);
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DrawEnd(engine, firstIndex, indexCount, 0, 0);
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_drawState.DrawIndexed = oldDrawIndexed;
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}
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/// <summary>
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/// Performs a non-indexed draw with the specified topology, index and count.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawVertexArrayBeginEndInstanceFirst(ThreedClass engine, int argument)
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{
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DrawVertexArrayBeginEndInstance(engine, argument, false);
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}
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/// <summary>
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/// Performs a non-indexed draw with the specified topology, index and count,
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/// while incrementing the current instance.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawVertexArrayBeginEndInstanceSubsequent(ThreedClass engine, int argument)
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{
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DrawVertexArrayBeginEndInstance(engine, argument, true);
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}
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/// <summary>
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/// Performs a indexed draw with a low number of index buffer elements,
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/// while optionally also pre-incrementing the current instance value.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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/// <param name="instanced">True to increment the current instance value, false otherwise</param>
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private void DrawVertexArrayBeginEndInstance(ThreedClass engine, int argument, bool instanced)
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{
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DrawBegin(instanced, !instanced, (PrimitiveType)((argument >> 28) & 0xf));
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int firstVertex = argument & 0xffff;
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int vertexCount = (argument >> 16) & 0xfff;
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bool oldDrawIndexed = _drawState.DrawIndexed;
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_drawState.DrawIndexed = false;
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engine.ForceStateDirty(VertexBufferFirstMethodOffset * 4);
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DrawEnd(engine, 0, 0, firstVertex, vertexCount);
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_drawState.DrawIndexed = oldDrawIndexed;
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}
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/// <summary>
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/// Performs a texture draw with a source texture and sampler ID, along with source
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/// and destination coordinates and sizes.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="argument">Method call argument</param>
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public void DrawTexture(ThreedClass engine, int argument)
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{
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static float FixedToFloat(int fixedValue)
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{
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return fixedValue * (1f / 4096);
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}
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float dstX0 = FixedToFloat(_state.State.DrawTextureDstX);
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float dstY0 = FixedToFloat(_state.State.DrawTextureDstY);
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float dstWidth = FixedToFloat(_state.State.DrawTextureDstWidth);
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float dstHeight = FixedToFloat(_state.State.DrawTextureDstHeight);
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// TODO: Confirm behaviour on hardware.
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// When this is active, the origin appears to be on the bottom.
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if (_state.State.YControl.HasFlag(YControl.NegateY))
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{
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dstY0 -= dstHeight;
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}
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float dstX1 = dstX0 + dstWidth;
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float dstY1 = dstY0 + dstHeight;
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float srcX0 = FixedToFloat(_state.State.DrawTextureSrcX);
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float srcY0 = FixedToFloat(_state.State.DrawTextureSrcY);
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float srcX1 = ((float)_state.State.DrawTextureDuDx / (1UL << 32)) * dstWidth + srcX0;
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float srcY1 = ((float)_state.State.DrawTextureDvDy / (1UL << 32)) * dstHeight + srcY0;
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engine.UpdateState(ulong.MaxValue & ~(1UL << StateUpdater.ShaderStateIndex));
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_channel.TextureManager.UpdateRenderTargets();
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int textureId = _state.State.DrawTextureTextureId;
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int samplerId = _state.State.DrawTextureSamplerId;
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(var texture, var sampler) = _channel.TextureManager.GetGraphicsTextureAndSampler(textureId, samplerId);
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srcX0 *= texture.ScaleFactor;
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srcY0 *= texture.ScaleFactor;
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srcX1 *= texture.ScaleFactor;
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srcY1 *= texture.ScaleFactor;
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float dstScale = _channel.TextureManager.RenderTargetScale;
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dstX0 *= dstScale;
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dstY0 *= dstScale;
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dstX1 *= dstScale;
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dstY1 *= dstScale;
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_context.Renderer.Pipeline.DrawTexture(
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texture?.HostTexture,
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sampler?.GetHostSampler(texture),
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new Extents2DF(srcX0, srcY0, srcX1, srcY1),
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new Extents2DF(dstX0, dstY0, dstX1, dstY1));
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}
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/// <summary>
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/// Performs a indexed or non-indexed draw.
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/// </summary>
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/// <param name="engine">3D engine where this method is being called</param>
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/// <param name="topology">Primitive topology</param>
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/// <param name="count">Index count for indexed draws, vertex count for non-indexed draws</param>
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/// <param name="instanceCount">Instance count</param>
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/// <param name="firstIndex">First index on the index buffer for indexed draws, ignored for non-indexed draws</param>
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/// <param name="firstVertex">First vertex on the vertex buffer</param>
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/// <param name="firstInstance">First instance</param>
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/// <param name="indexed">True if the draw is indexed, false otherwise</param>
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public void Draw(
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ThreedClass engine,
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PrimitiveTopology topology,
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int count,
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int instanceCount,
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int firstIndex,
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int firstVertex,
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int firstInstance,
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bool indexed)
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{
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UpdateTopology(topology);
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ConditionalRenderEnabled renderEnable = ConditionalRendering.GetRenderEnable(
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_context,
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_channel.MemoryManager,
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_state.State.RenderEnableAddress,
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_state.State.RenderEnableCondition);
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if (renderEnable == ConditionalRenderEnabled.False)
|
|
{
|
|
_drawState.DrawIndexed = false;
|
|
return;
|
|
}
|
|
|
|
if (indexed)
|
|
{
|
|
_drawState.FirstIndex = firstIndex;
|
|
_drawState.IndexCount = count;
|
|
_state.State.FirstVertex = (uint)firstVertex;
|
|
engine.ForceStateDirty(IndexBufferCountMethodOffset * 4);
|
|
}
|
|
else
|
|
{
|
|
_drawState.DrawFirstVertex = firstVertex;
|
|
_drawState.DrawVertexCount = count;
|
|
engine.ForceStateDirty(VertexBufferFirstMethodOffset * 4);
|
|
}
|
|
|
|
_state.State.FirstInstance = (uint)firstInstance;
|
|
|
|
_drawState.DrawIndexed = indexed;
|
|
_currentSpecState.SetHasConstantBufferDrawParameters(true);
|
|
|
|
engine.UpdateState();
|
|
|
|
if (indexed)
|
|
{
|
|
_context.Renderer.Pipeline.DrawIndexed(count, instanceCount, firstIndex, firstVertex, firstInstance);
|
|
_state.State.FirstVertex = 0;
|
|
}
|
|
else
|
|
{
|
|
_context.Renderer.Pipeline.Draw(count, instanceCount, firstVertex, firstInstance);
|
|
}
|
|
|
|
_state.State.FirstInstance = 0;
|
|
|
|
_drawState.DrawIndexed = false;
|
|
|
|
if (renderEnable == ConditionalRenderEnabled.Host)
|
|
{
|
|
_context.Renderer.Pipeline.EndHostConditionalRendering();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs a indirect draw, with parameters from a GPU buffer.
|
|
/// </summary>
|
|
/// <param name="engine">3D engine where this method is being called</param>
|
|
/// <param name="topology">Primitive topology</param>
|
|
/// <param name="indirectBufferAddress">Address of the buffer with the draw parameters, such as count, first index, etc</param>
|
|
/// <param name="parameterBufferAddress">Address of the buffer with the draw count</param>
|
|
/// <param name="maxDrawCount">Maximum number of draws that can be made</param>
|
|
/// <param name="stride">Distance in bytes between each entry on the data pointed to by <paramref name="indirectBufferAddress"/></param>
|
|
/// <param name="indexCount">Maximum number of indices that the draw can consume</param>
|
|
/// <param name="drawType">Type of the indirect draw, which can be indexed or non-indexed, with or without a draw count</param>
|
|
public void DrawIndirect(
|
|
ThreedClass engine,
|
|
PrimitiveTopology topology,
|
|
ulong indirectBufferAddress,
|
|
ulong parameterBufferAddress,
|
|
int maxDrawCount,
|
|
int stride,
|
|
int indexCount,
|
|
IndirectDrawType drawType)
|
|
{
|
|
UpdateTopology(topology);
|
|
|
|
ConditionalRenderEnabled renderEnable = ConditionalRendering.GetRenderEnable(
|
|
_context,
|
|
_channel.MemoryManager,
|
|
_state.State.RenderEnableAddress,
|
|
_state.State.RenderEnableCondition);
|
|
|
|
if (renderEnable == ConditionalRenderEnabled.False)
|
|
{
|
|
_drawState.DrawIndexed = false;
|
|
return;
|
|
}
|
|
|
|
PhysicalMemory memory = _channel.MemoryManager.Physical;
|
|
|
|
bool hasCount = (drawType & IndirectDrawType.Count) != 0;
|
|
bool indexed = (drawType & IndirectDrawType.Indexed) != 0;
|
|
|
|
if (indexed)
|
|
{
|
|
indexCount = Math.Clamp(indexCount, MinIndirectIndexCount, MaxIndirectIndexCount);
|
|
_drawState.FirstIndex = 0;
|
|
_drawState.IndexCount = indexCount;
|
|
engine.ForceStateDirty(IndexBufferCountMethodOffset * 4);
|
|
}
|
|
|
|
_drawState.DrawIndexed = indexed;
|
|
_drawState.DrawIndirect = true;
|
|
_currentSpecState.SetHasConstantBufferDrawParameters(true);
|
|
|
|
engine.UpdateState();
|
|
|
|
if (hasCount)
|
|
{
|
|
var indirectBuffer = memory.BufferCache.GetBufferRange(indirectBufferAddress, (ulong)maxDrawCount * (ulong)stride);
|
|
var parameterBuffer = memory.BufferCache.GetBufferRange(parameterBufferAddress, 4);
|
|
|
|
if (indexed)
|
|
{
|
|
_context.Renderer.Pipeline.DrawIndexedIndirectCount(indirectBuffer, parameterBuffer, maxDrawCount, stride);
|
|
}
|
|
else
|
|
{
|
|
_context.Renderer.Pipeline.DrawIndirectCount(indirectBuffer, parameterBuffer, maxDrawCount, stride);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
var indirectBuffer = memory.BufferCache.GetBufferRange(indirectBufferAddress, (ulong)stride);
|
|
|
|
if (indexed)
|
|
{
|
|
_context.Renderer.Pipeline.DrawIndexedIndirect(indirectBuffer);
|
|
}
|
|
else
|
|
{
|
|
_context.Renderer.Pipeline.DrawIndirect(indirectBuffer);
|
|
}
|
|
}
|
|
|
|
_drawState.DrawIndexed = false;
|
|
_drawState.DrawIndirect = false;
|
|
|
|
if (renderEnable == ConditionalRenderEnabled.Host)
|
|
{
|
|
_context.Renderer.Pipeline.EndHostConditionalRendering();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Perform any deferred draws.
|
|
/// This is used for instanced draws.
|
|
/// Since each instance is a separate draw, we defer the draw and accumulate the instance count.
|
|
/// Once we detect the last instanced draw, then we perform the host instanced draw,
|
|
/// with the accumulated instance count.
|
|
/// </summary>
|
|
public void PerformDeferredDraws()
|
|
{
|
|
// Perform any pending instanced draw.
|
|
if (_instancedDrawPending)
|
|
{
|
|
_instancedDrawPending = false;
|
|
|
|
bool indexedInline = _instancedIndexedInline;
|
|
|
|
if (_instancedIndexed || indexedInline)
|
|
{
|
|
if (indexedInline)
|
|
{
|
|
int inlineIndexCount = _drawState.IbStreamer.GetAndResetInlineIndexCount(_context.Renderer);
|
|
BufferRange br = new BufferRange(_drawState.IbStreamer.GetInlineIndexBuffer(), 0, inlineIndexCount * 4);
|
|
|
|
_channel.BufferManager.SetIndexBuffer(br, IndexType.UInt);
|
|
}
|
|
|
|
_context.Renderer.Pipeline.DrawIndexed(
|
|
_instancedIndexCount,
|
|
_instanceIndex + 1,
|
|
_instancedFirstIndex,
|
|
_instancedFirstVertex,
|
|
_instancedFirstInstance);
|
|
}
|
|
else
|
|
{
|
|
_context.Renderer.Pipeline.Draw(
|
|
_instancedDrawStateCount,
|
|
_instanceIndex + 1,
|
|
_instancedDrawStateFirst,
|
|
_instancedFirstInstance);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Clears the current color and depth-stencil buffers.
|
|
/// Which buffers should be cleared can also be specified with the argument.
|
|
/// </summary>
|
|
/// <param name="engine">3D engine where this method is being called</param>
|
|
/// <param name="argument">Method call argument</param>
|
|
public void Clear(ThreedClass engine, int argument)
|
|
{
|
|
Clear(engine, argument, 1);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Clears the current color and depth-stencil buffers.
|
|
/// Which buffers should be cleared can also specified with the arguments.
|
|
/// </summary>
|
|
/// <param name="engine">3D engine where this method is being called</param>
|
|
/// <param name="argument">Method call argument</param>
|
|
/// <param name="layerCount">For array and 3D textures, indicates how many layers should be cleared</param>
|
|
public void Clear(ThreedClass engine, int argument, int layerCount)
|
|
{
|
|
ConditionalRenderEnabled renderEnable = ConditionalRendering.GetRenderEnable(
|
|
_context,
|
|
_channel.MemoryManager,
|
|
_state.State.RenderEnableAddress,
|
|
_state.State.RenderEnableCondition);
|
|
|
|
if (renderEnable == ConditionalRenderEnabled.False)
|
|
{
|
|
return;
|
|
}
|
|
|
|
bool clearDepth = (argument & 1) != 0;
|
|
bool clearStencil = (argument & 2) != 0;
|
|
uint componentMask = (uint)((argument >> 2) & 0xf);
|
|
int index = (argument >> 6) & 0xf;
|
|
int layer = (argument >> 10) & 0x3ff;
|
|
|
|
RenderTargetUpdateFlags updateFlags = RenderTargetUpdateFlags.SingleColor;
|
|
|
|
if (layer != 0 || layerCount > 1)
|
|
{
|
|
updateFlags |= RenderTargetUpdateFlags.Layered;
|
|
}
|
|
|
|
if (clearDepth || clearStencil)
|
|
{
|
|
updateFlags |= RenderTargetUpdateFlags.UpdateDepthStencil;
|
|
}
|
|
|
|
engine.UpdateRenderTargetState(updateFlags, singleUse: componentMask != 0 ? index : -1);
|
|
|
|
// If there is a mismatch on the host clip region and the one explicitly defined by the guest
|
|
// on the screen scissor state, then we need to force only one texture to be bound to avoid
|
|
// host clipping.
|
|
var screenScissorState = _state.State.ScreenScissorState;
|
|
|
|
// Must happen after UpdateRenderTargetState to have up-to-date clip region values.
|
|
bool clipMismatch = (screenScissorState.X | screenScissorState.Y) != 0 ||
|
|
screenScissorState.Width != _channel.TextureManager.ClipRegionWidth ||
|
|
screenScissorState.Height != _channel.TextureManager.ClipRegionHeight;
|
|
|
|
bool clearAffectedByStencilMask = (_state.State.ClearFlags & 1) != 0;
|
|
bool clearAffectedByScissor = (_state.State.ClearFlags & 0x100) != 0;
|
|
bool needsCustomScissor = !clearAffectedByScissor || clipMismatch;
|
|
|
|
// Scissor and rasterizer discard also affect clears.
|
|
ulong updateMask = 1UL << StateUpdater.RasterizerStateIndex;
|
|
|
|
if (!needsCustomScissor)
|
|
{
|
|
updateMask |= 1UL << StateUpdater.ScissorStateIndex;
|
|
}
|
|
|
|
engine.UpdateState(updateMask);
|
|
|
|
if (needsCustomScissor)
|
|
{
|
|
int scissorX = screenScissorState.X;
|
|
int scissorY = screenScissorState.Y;
|
|
int scissorW = screenScissorState.Width;
|
|
int scissorH = screenScissorState.Height;
|
|
|
|
if (clearAffectedByScissor && _state.State.ScissorState[0].Enable)
|
|
{
|
|
ref var scissorState = ref _state.State.ScissorState[0];
|
|
|
|
scissorX = Math.Max(scissorX, scissorState.X1);
|
|
scissorY = Math.Max(scissorY, scissorState.Y1);
|
|
scissorW = Math.Min(scissorW, scissorState.X2 - scissorState.X1);
|
|
scissorH = Math.Min(scissorH, scissorState.Y2 - scissorState.Y1);
|
|
}
|
|
|
|
float scale = _channel.TextureManager.RenderTargetScale;
|
|
if (scale != 1f)
|
|
{
|
|
scissorX = (int)(scissorX * scale);
|
|
scissorY = (int)(scissorY * scale);
|
|
scissorW = (int)MathF.Ceiling(scissorW * scale);
|
|
scissorH = (int)MathF.Ceiling(scissorH * scale);
|
|
}
|
|
|
|
Span<Rectangle<int>> scissors = stackalloc Rectangle<int>[]
|
|
{
|
|
new Rectangle<int>(scissorX, scissorY, scissorW, scissorH)
|
|
};
|
|
|
|
_context.Renderer.Pipeline.SetScissors(scissors);
|
|
}
|
|
|
|
_channel.TextureManager.UpdateRenderTargets();
|
|
|
|
if (componentMask != 0)
|
|
{
|
|
var clearColor = _state.State.ClearColors;
|
|
|
|
ColorF color = new ColorF(clearColor.Red, clearColor.Green, clearColor.Blue, clearColor.Alpha);
|
|
|
|
_context.Renderer.Pipeline.ClearRenderTargetColor(index, layer, layerCount, componentMask, color);
|
|
}
|
|
|
|
if (clearDepth || clearStencil)
|
|
{
|
|
float depthValue = _state.State.ClearDepthValue;
|
|
int stencilValue = (int)_state.State.ClearStencilValue;
|
|
|
|
int stencilMask = 0;
|
|
|
|
if (clearStencil)
|
|
{
|
|
stencilMask = clearAffectedByStencilMask ? _state.State.StencilTestState.FrontMask : 0xff;
|
|
}
|
|
|
|
if (clipMismatch)
|
|
{
|
|
_channel.TextureManager.UpdateRenderTargetDepthStencil();
|
|
}
|
|
|
|
_context.Renderer.Pipeline.ClearRenderTargetDepthStencil(
|
|
layer,
|
|
layerCount,
|
|
depthValue,
|
|
clearDepth,
|
|
stencilValue,
|
|
stencilMask);
|
|
}
|
|
|
|
if (needsCustomScissor)
|
|
{
|
|
engine.UpdateScissorState();
|
|
}
|
|
|
|
engine.UpdateRenderTargetState(RenderTargetUpdateFlags.UpdateAll);
|
|
|
|
if (renderEnable == ConditionalRenderEnabled.Host)
|
|
{
|
|
_context.Renderer.Pipeline.EndHostConditionalRendering();
|
|
}
|
|
}
|
|
}
|
|
}
|