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| author | gdkchan <gab.dark.100@gmail.com> | 2020-07-15 00:01:10 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-15 13:01:10 +1000 |
| commit | 788ca6a411762035a6a7a88100c4b582b47ee82d (patch) | |
| tree | d48bfb91aecaead2906ec2d390357546f8c0611f /Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs | |
| parent | 16dafe63166d065f40b57a9b7cf8017a6ba0b1ef (diff) | |
Initial transform feedback support (#1370)
* Initial transform feedback support
* Some nits and fixes
* Update ReportCounterType and Write method
* Can't change shader or TFB bindings while TFB is active
* Fix geometry shader input names with new naming
Diffstat (limited to 'Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs')
| -rw-r--r-- | Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs b/Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs index 8a1abe32..d16f1057 100644 --- a/Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs +++ b/Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs @@ -82,7 +82,7 @@ namespace Ryujinx.Graphics.Gpu.Shader shader.HostShader = _context.Renderer.CompileShader(shader.Program); - IProgram hostProgram = _context.Renderer.CreateProgram(new IShader[] { shader.HostShader }); + IProgram hostProgram = _context.Renderer.CreateProgram(new IShader[] { shader.HostShader }, null); ShaderBundle cpShader = new ShaderBundle(hostProgram, shader); @@ -150,6 +150,8 @@ namespace Ryujinx.Graphics.Gpu.Shader continue; } + var tfd = GetTransformFeedbackDescriptors(state); + IShader hostShader = _context.Renderer.CompileShader(program); shaders[stage].HostShader = hostShader; @@ -157,7 +159,7 @@ namespace Ryujinx.Graphics.Gpu.Shader hostShaders.Add(hostShader); } - IProgram hostProgram = _context.Renderer.CreateProgram(hostShaders.ToArray()); + IProgram hostProgram = _context.Renderer.CreateProgram(hostShaders.ToArray(), GetTransformFeedbackDescriptors(state)); ShaderBundle gpShaders = new ShaderBundle(hostProgram, shaders); @@ -174,6 +176,36 @@ namespace Ryujinx.Graphics.Gpu.Shader } /// <summary> + /// Gets transform feedback state from the current GPU state. + /// </summary> + /// <param name="state">Current GPU state</param> + /// <returns>Four transform feedback descriptors for the enabled TFBs, or null if TFB is disabled</returns> + private TransformFeedbackDescriptor[] GetTransformFeedbackDescriptors(GpuState state) + { + bool tfEnable = state.Get<Boolean32>(MethodOffset.TfEnable); + + if (!tfEnable) + { + return null; + } + + TransformFeedbackDescriptor[] descs = new TransformFeedbackDescriptor[Constants.TotalTransformFeedbackBuffers]; + + for (int i = 0; i < Constants.TotalTransformFeedbackBuffers; i++) + { + var tf = state.Get<TfState>(MethodOffset.TfState, i); + + int length = (int)Math.Min((uint)tf.VaryingsCount, 0x80); + + var varyingLocations = state.GetSpan(MethodOffset.TfVaryingLocations + i * 0x80, length).ToArray(); + + descs[i] = new TransformFeedbackDescriptor(tf.BufferIndex, tf.Stride, varyingLocations); + } + + return descs; + } + + /// <summary> /// Checks if compute shader code in memory is equal to the cached shader. /// </summary> /// <param name="cpShader">Cached compute shader</param> |