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Implement HLE macros for render target clears (#3528)

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* Implement HLE macros for render target clears

* Add constants for the offsets
This commit is contained in:
gdkchan 2022-08-04 18:30:08 -03:00 • committed by GitHub
parent c48a75979f
commit 1080f64df9
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16 changed files with 149 additions and 43 deletions
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35
Ryujinx.Graphics.Gpu/Engine/MME/MacroHLE.cs
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@ -12,6 +12,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.MME
/// </summary>
class MacroHLE : IMacroEE
{
private const int ColorLayerCountOffset = 0x818;
private const int ColorStructSize = 0x40;
private const int ZetaLayerCountOffset = 0x1230;
private readonly GPFifoProcessor _processor;
private readonly MacroHLEFunctionName _functionName;
@ -45,6 +49,12 @@ namespace Ryujinx.Graphics.Gpu.Engine.MME
{
switch (_functionName)
{
case MacroHLEFunctionName.ClearColor:
ClearColor(state, arg0);
break;
case MacroHLEFunctionName.ClearDepthStencil:
ClearDepthStencil(state, arg0);
break;
case MacroHLEFunctionName.MultiDrawElementsIndirectCount:
MultiDrawElementsIndirectCount(state, arg0);
break;
@ -53,6 +63,31 @@ namespace Ryujinx.Graphics.Gpu.Engine.MME
}
}
/// <summary>
/// Clears one bound color target.
/// </summary>
/// <param name="state">GPU state at the time of the call</param>
/// <param name="arg0">First argument of the call</param>
private void ClearColor(IDeviceState state, int arg0)
{
int index = (arg0 >> 6) & 0xf;
int layerCount = state.Read(ColorLayerCountOffset + index * ColorStructSize);
_processor.ThreedClass.Clear(arg0, layerCount);
}
/// <summary>
/// Clears the current depth-stencil target.
/// </summary>
/// <param name="state">GPU state at the time of the call</param>
/// <param name="arg0">First argument of the call</param>
private void ClearDepthStencil(IDeviceState state, int arg0)
{
int layerCount = state.Read(ZetaLayerCountOffset);
_processor.ThreedClass.Clear(arg0, layerCount);
}
/// <summary>
/// Performs a indirect multi-draw, with parameters from a GPU buffer.
/// </summary>