diff options
| author | gdkchan <gab.dark.100@gmail.com> | 2022-11-12 20:20:40 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-11-12 20:20:40 -0300 |
| commit | 9daf029f356898336de1ad0c63b6c36e261e4f9b (patch) | |
| tree | d8e6c2edffa5babbb1486801b081cd367cec5c4b /Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs | |
| parent | 51a27032f01826e0cec56c53da4359fd2c38c8f3 (diff) | |
Use vector transform feedback outputs if possible (#3832)
Diffstat (limited to 'Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs b/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs index 91fd286d..4f2751b1 100644 --- a/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs +++ b/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs @@ -210,7 +210,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl if (context.Config.TransformFeedbackEnabled && context.Config.LastInVertexPipeline) { - var tfOutput = context.GetTransformFeedbackOutput(AttributeConsts.PositionX); + var tfOutput = context.Info.GetTransformFeedbackOutput(AttributeConsts.PositionX); if (tfOutput.Valid) { context.AppendLine($"layout (xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}) out gl_PerVertex"); @@ -604,19 +604,45 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl if (context.Config.TransformFeedbackEnabled && context.Config.LastInVertexPipeline) { - for (int c = 0; c < 4; c++) + int attrOffset = AttributeConsts.UserAttributeBase + attr * 16; + int components = context.Config.LastInPipeline ? context.Info.GetTransformFeedbackOutputComponents(attrOffset) : 1; + + if (components > 1) { - char swzMask = "xyzw"[c]; + string type = components switch + { + 2 => "vec2", + 3 => "vec3", + 4 => "vec4", + _ => "float" + }; string xfb = string.Empty; - var tfOutput = context.GetTransformFeedbackOutput(attr, c); + var tfOutput = context.Info.GetTransformFeedbackOutput(attrOffset); if (tfOutput.Valid) { xfb = $", xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}"; } - context.AppendLine($"layout (location = {attr}, component = {c}{xfb}) out float {name}_{swzMask};"); + context.AppendLine($"layout (location = {attr}{xfb}) out {type} {name};"); + } + else + { + for (int c = 0; c < 4; c++) + { + char swzMask = "xyzw"[c]; + + string xfb = string.Empty; + + var tfOutput = context.Info.GetTransformFeedbackOutput(attrOffset + c * 4); + if (tfOutput.Valid) + { + xfb = $", xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}"; + } + + context.AppendLine($"layout (location = {attr}, component = {c}{xfb}) out float {name}_{swzMask};"); + } } } else |