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Implement alpha test using legacy functions (#1426)

This commit is contained in:
gdkchan 2020-07-28 18:30:08 -03:00 committed by GitHub
parent 938c06c652
commit 43c13057da
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 39 additions and 13 deletions

View file

@ -31,6 +31,8 @@ namespace Ryujinx.Graphics.GAL
void EndTransformFeedback();
void SetAlphaTest(bool enable, float reference, CompareOp op);
void SetBlendState(int index, BlendDescriptor blend);
void SetDepthBias(PolygonModeMask enables, float factor, float units, float clamp);
@ -61,9 +63,7 @@ namespace Ryujinx.Graphics.GAL
void SetRasterizerDiscard(bool discard);
void SetRenderTargetScale(float scale);
void SetRenderTargetColorMasks(ReadOnlySpan<uint> componentMask);
void SetRenderTargets(ITexture[] colors, ITexture depthStencil);
void SetSampler(int index, ShaderStage stage, ISampler sampler);

View file

@ -164,6 +164,13 @@ namespace Ryujinx.Graphics.Gpu.Engine
UpdateDepthClampState(state);
}
if (state.QueryModified(MethodOffset.AlphaTestEnable,
MethodOffset.AlphaTestRef,
MethodOffset.AlphaTestFunc))
{
UpdateAlphaTestState(state);
}
if (state.QueryModified(MethodOffset.DepthTestEnable,
MethodOffset.DepthWriteEnable,
MethodOffset.DepthTestFunc))
@ -450,6 +457,18 @@ namespace Ryujinx.Graphics.Gpu.Engine
_context.Renderer.Pipeline.SetDepthClamp((clip & ViewVolumeClipControl.DepthClampDisabled) == 0);
}
/// <summary>
/// Updates host alpha test state based on current GPU state.
/// </summary>
/// <param name="state">Current GPU state</param>
private void UpdateAlphaTestState(GpuState state)
{
_context.Renderer.Pipeline.SetAlphaTest(
state.Get<Boolean32>(MethodOffset.AlphaTestEnable),
state.Get<float>(MethodOffset.AlphaTestRef),
state.Get<CompareOp>(MethodOffset.AlphaTestFunc));
}
/// <summary>
/// Updates host depth test state based on current GPU state.
/// </summary>

View file

@ -52,8 +52,11 @@ namespace Ryujinx.Graphics.Gpu.State
DepthTestEnable = 0x4b3,
BlendIndependent = 0x4b9,
DepthWriteEnable = 0x4ba,
AlphaTestEnable = 0x4bb,
VbElementU8 = 0x4c1,
DepthTestFunc = 0x4c3,
AlphaTestRef = 0x4c4,
AlphaTestFunc = 0x4c5,
BlendConstant = 0x4c7,
BlendStateCommon = 0x4cf,
BlendEnableCommon = 0x4d7,

View file

@ -157,7 +157,6 @@ namespace Ryujinx.Graphics.OpenGL
if (!_program.IsLinked)
{
Logger.PrintDebug(LogClass.Gpu, "Dispatch error, shader not linked.");
return;
}
@ -171,7 +170,6 @@ namespace Ryujinx.Graphics.OpenGL
if (!_program.IsLinked)
{
Logger.PrintDebug(LogClass.Gpu, "Draw error, shader not linked.");
return;
}
@ -290,7 +288,6 @@ namespace Ryujinx.Graphics.OpenGL
if (!_program.IsLinked)
{
Logger.PrintDebug(LogClass.Gpu, "Draw error, shader not linked.");
return;
}
@ -527,12 +524,23 @@ namespace Ryujinx.Graphics.OpenGL
_tfEnabled = false;
}
public void SetAlphaTest(bool enable, float reference, CompareOp op)
{
if (!enable)
{
GL.Disable(EnableCap.AlphaTest);
return;
}
GL.AlphaFunc((AlphaFunction)op.Convert(), reference);
GL.Enable(EnableCap.AlphaTest);
}
public void SetBlendState(int index, BlendDescriptor blend)
{
if (!blend.Enable)
{
GL.Disable(IndexedEnableCap.Blend, index);
return;
}
@ -658,7 +666,6 @@ namespace Ryujinx.Graphics.OpenGL
if (!enable)
{
GL.Disable(EnableCap.CullFace);
return;
}
@ -742,7 +749,6 @@ namespace Ryujinx.Graphics.OpenGL
if (!enable)
{
GL.Disable(EnableCap.PrimitiveRestart);
return;
}
@ -874,7 +880,6 @@ namespace Ryujinx.Graphics.OpenGL
if (!stencilTest.TestEnable)
{
GL.Disable(EnableCap.StencilTest);
return;
}
@ -1077,7 +1082,6 @@ namespace Ryujinx.Graphics.OpenGL
if (buffer.Handle == null)
{
GL.BindBufferRange(target, bindingPoint, 0, IntPtr.Zero, 0);
return;
}