Output shader descriptions directly in the source code

GPU/Common/FragmentShaderGenerator.cpp

@@ -94,6 +94,8 @@ bool GenerateFragmentShader(const FShaderID &id, char *buffer, const ShaderLangu
 	}
 
 	ShaderWriter p(buffer, compat, ShaderStage::Fragment, extensions, flags);
+	p.F("// %s\n", FragmentShaderDesc(id).c_str());
+
 	p.ApplySamplerMetadata(arrayTexture ? samplersStereo : samplersMono);
 
 	bool lmode = id.Bit(FS_BIT_LMODE);

GPU/Common/GeometryShaderGenerator.cpp

@@ -49,6 +49,9 @@ bool GenerateGeometryShader(const GShaderID &id, char *buffer, const ShaderLangu
 	bool clipClampedDepth = gstate_c.Use(GPU_USE_DEPTH_CLAMP);
 
 	ShaderWriter p(buffer, compat, ShaderStage::Geometry, extensions);
+
+	p.F("// %s\n", GeometryShaderDesc(id).c_str());
+
 	p.C("layout(triangles) in;\n");
 	if (clipClampedDepth && vertexRangeCulling && !gstate_c.Use(GPU_USE_CLIP_DISTANCE)) {
 		p.C("layout(triangle_strip, max_vertices = 12) out;\n");

GPU/Common/VertexShaderGenerator.cpp

@@ -168,6 +168,8 @@ bool GenerateVertexShader(const VShaderID &id, char *buffer, const ShaderLanguag
 
 	ShaderWriter p(buffer, compat, ShaderStage::Vertex, extensions);
 
+	p.F("// %s\n", VertexShaderDesc(id).c_str());
+
 	bool isModeThrough = id.Bit(VS_BIT_IS_THROUGH);
 	bool lmode = id.Bit(VS_BIT_LMODE);
 	bool doTexture = id.Bit(VS_BIT_DO_TEXTURE);