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Initial transform feedback support (#1370)

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* 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
This commit is contained in:
gdkchan 2020-07-15 00:01:10 -03:00 • committed by GitHub
parent 16dafe6316
commit 788ca6a411
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 468 additions and 68 deletions
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25
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -15,7 +15,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
public static void Declare(CodeGenContext context, StructuredProgramInfo info)
{
context.AppendLine("#version 430 core");
context.AppendLine("#version 440 core");
context.AppendLine("#extension GL_ARB_gpu_shader_int64 : enable");
context.AppendLine("#extension GL_ARB_shader_ballot : enable");
context.AppendLine("#extension GL_ARB_shader_group_vote : enable");
@ -234,7 +234,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
string stage = OperandManager.GetShaderStagePrefix(context.Config.Stage);
int scaleElements = context.TextureDescriptors.Count;
if (context.Config.Stage == ShaderStage.Fragment)
{
scaleElements++; // Also includes render target scale, for gl_FragCoord.
@ -424,7 +424,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
};
}
context.AppendLine($"layout (location = {attr}) {iq}in vec4 {DefaultNames.IAttributePrefix}{attr}{suffix};");
for (int c = 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
context.AppendLine($"layout (location = {attr}, component = {c}) {iq}in float {DefaultNames.IAttributePrefix}{attr}_{swzMask}{suffix};");
}
}
}
@ -452,12 +457,22 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
for (int attr = 0; attr < MaxAttributes; attr++)
{
context.AppendLine($"layout (location = {attr}) out vec4 {DefaultNames.OAttributePrefix}{attr};");
for (int c = 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
context.AppendLine($"layout (location = {attr}, component = {c}) out float {DefaultNames.OAttributePrefix}{attr}_{swzMask};");
}
}
foreach (int attr in info.OAttributes.OrderBy(x => x).Where(x => x >= MaxAttributes))
{
context.AppendLine($"layout (location = {attr}) out vec4 {DefaultNames.OAttributePrefix}{attr};");
for (int c = 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
context.AppendLine($"layout (location = {attr}, component = {c}) out float {DefaultNames.OAttributePrefix}{attr}_{swzMask};");
}
}
}

5
Ryujinx.Graphics.Shader/CodeGen/Glsl/GlslGenerator.cs
View file

@ -56,7 +56,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
continue;
}
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr} = vec4(0);");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_x = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_y = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_z = 0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_w = 0;");
}
}

10
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
View file

@ -147,7 +147,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
int value = attr.Value;
string swzMask = GetSwizzleMask((value >> 2) & 3);
char swzMask = GetSwizzleMask((value >> 2) & 3);
if (value >= AttributeConsts.UserAttributeBase &&
value < AttributeConsts.UserAttributeEnd)
@ -158,15 +158,13 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
? DefaultNames.OAttributePrefix
: DefaultNames.IAttributePrefix;
string name = $"{prefix}{(value >> 4)}";
string name = $"{prefix}{(value >> 4)}_{swzMask}";
if (stage == ShaderStage.Geometry && !isOutAttr)
{
name += $"[{indexExpr}]";
}
name += "." + swzMask;
return name;
}
else
@ -264,9 +262,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
return _stagePrefixes[index];
}
private static string GetSwizzleMask(int value)
private static char GetSwizzleMask(int value)
{
return "xyzw".Substring(value, 1);
return "xyzw"[value];
}
public static VariableType GetNodeDestType(IAstNode node)

69
Ryujinx.Graphics.Shader/CodeGen/Glsl/Varying.cs Normal file
View file

@ -0,0 +1,69 @@
using Ryujinx.Graphics.Shader.Translation;
namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
public static class Varying
{
public static string GetName(int offset)
{
offset <<= 2;
if (offset >= AttributeConsts.UserAttributeBase &&
offset < AttributeConsts.UserAttributeEnd)
{
offset -= AttributeConsts.UserAttributeBase;
string name = $"{ DefaultNames.OAttributePrefix}{(offset >> 4)}";
name += "_" + "xyzw"[(offset >> 2) & 3];
return name;
}
switch (offset)
{
case AttributeConsts.PositionX:
case AttributeConsts.PositionY:
case AttributeConsts.PositionZ:
case AttributeConsts.PositionW:
return "gl_Position";
case AttributeConsts.PointSize:
return "gl_PointSize";
case AttributeConsts.ClipDistance0:
return "gl_ClipDistance[0]";
case AttributeConsts.ClipDistance1:
return "gl_ClipDistance[1]";
case AttributeConsts.ClipDistance2:
return "gl_ClipDistance[2]";
case AttributeConsts.ClipDistance3:
return "gl_ClipDistance[3]";
case AttributeConsts.ClipDistance4:
return "gl_ClipDistance[4]";
case AttributeConsts.ClipDistance5:
return "gl_ClipDistance[5]";
case AttributeConsts.ClipDistance6:
return "gl_ClipDistance[6]";
case AttributeConsts.ClipDistance7:
return "gl_ClipDistance[7]";
case AttributeConsts.VertexId:
return "gl_VertexID";
}
return null;
}
public static int GetSize(int offset)
{
switch (offset << 2)
{
case AttributeConsts.PositionX:
case AttributeConsts.PositionY:
case AttributeConsts.PositionZ:
case AttributeConsts.PositionW:
return 4;
}
return 1;
}
}
}