- specify vertex attributes in the shader source for Vulkan compatibility.

src/gl/shaders/gl_ambientshader.cpp

@@ -40,7 +40,6 @@ void FLinearDepthShader::Bind()
 		mShader->Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader->Compile(FShaderProgram::Fragment, "shaders/glsl/lineardepth.fp", prolog, 330);
 		mShader->Link("shaders/glsl/lineardepth");
-		mShader->SetAttribLocation(0, "PositionInProjection");
 		mShader->SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		DepthTexture.Init(*mShader, "DepthTexture");
 		ColorTexture.Init(*mShader, "ColorTexture");
@@ -65,7 +64,6 @@ void FSSAOShader::Bind()
 		mShader->Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader->Compile(FShaderProgram::Fragment, "shaders/glsl/ssao.fp", prolog, 330);
 		mShader->Link("shaders/glsl/ssao");
-		mShader->SetAttribLocation(0, "PositionInProjection");
 		mShader->SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		DepthTexture.Init(*mShader, "DepthTexture");
 		NormalTexture.Init(*mShader, "NormalTexture");
@@ -115,7 +113,6 @@ void FDepthBlurShader::Bind(bool vertical)
 		shader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		shader.Compile(FShaderProgram::Fragment, "shaders/glsl/depthblur.fp", prolog, 330);
 		shader.Link("shaders/glsl/depthblur");
-		shader.SetAttribLocation(0, "PositionInProjection");
 		shader.SetUniformBufferLocation(Uniforms[vertical].BindingPoint(), "Uniforms");
 		AODepthTexture[vertical].Init(shader, "AODepthTexture");
 		Uniforms[vertical].Init();
@@ -139,7 +136,6 @@ void FSSAOCombineShader::Bind()
 		mShader->Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader->Compile(FShaderProgram::Fragment, "shaders/glsl/ssaocombine.fp", prolog, 330);
 		mShader->Link("shaders/glsl/ssaocombine");
-		mShader->SetAttribLocation(0, "PositionInProjection");
 		mShader->SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		AODepthTexture.Init(*mShader, "AODepthTexture");
 		SceneFogTexture.Init(*mShader, "SceneFogTexture");

src/gl/shaders/gl_bloomshader.cpp

@@ -38,7 +38,6 @@ void FBloomExtractShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/bloomextract.fp", prolog, 330);
 		mShader.Link("shaders/glsl/bloomextract");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		mShader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		SceneTexture.Init(mShader, "SceneTexture");
 		ExposureTexture.Init(mShader, "ExposureTexture");
@@ -54,7 +53,6 @@ void FBloomCombineShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/bloomcombine.fp", "", 330);
 		mShader.Link("shaders/glsl/bloomcombine");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		BloomTexture.Init(mShader, "Bloom");
 	}
 	mShader.Bind();

src/gl/shaders/gl_blurshader.cpp

@@ -45,7 +45,6 @@ void FBlurShader::Bind(bool vertical)
 		mShader[vertical].Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader[vertical].Compile(FShaderProgram::Fragment, "shaders/glsl/blur.fp", prolog, 330);
 		mShader[vertical].Link("shaders/glsl/blur");
-		mShader[vertical].SetAttribLocation(0, "PositionInProjection");
 		mShader[vertical].SetUniformBufferLocation(POSTPROCESS_BINDINGPOINT, "Uniforms");
 		SourceTexture[vertical].Init(mShader[vertical], "SourceTexture");
 		Uniforms[vertical].Init();

src/gl/shaders/gl_colormapshader.cpp

@@ -39,7 +39,6 @@ void FColormapShader::Bind()
 		shader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		shader.Compile(FShaderProgram::Fragment, "shaders/glsl/colormap.fp", prolog, 330);
 		shader.Link("shaders/glsl/colormap");
-		shader.SetAttribLocation(0, "PositionInProjection");
 		shader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		Uniforms.Init();
 	}

src/gl/shaders/gl_fxaashader.cpp

@@ -36,7 +36,6 @@ void FFXAALumaShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/fxaa.fp", "#define FXAA_LUMA_PASS\n", 330);
 		mShader.Link("shaders/glsl/fxaa");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		InputTexture.Init(mShader, "InputTexture");
 	}
 
@@ -88,7 +87,6 @@ void FFXAAShader::Bind()
 		shader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		shader.Compile(FShaderProgram::Fragment, "shaders/glsl/fxaa.fp", prolog, maxVersion);
 		shader.Link("shaders/glsl/fxaa");
-		shader.SetAttribLocation(0, "PositionInProjection");
 		shader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		InputTexture.Init(shader, "InputTexture");
 		Uniforms.Init();

src/gl/shaders/gl_lensshader.cpp

@@ -38,7 +38,6 @@ void FLensShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/lensdistortion.fp", prolog, 330);
 		mShader.Link("shaders/glsl/lensdistortion");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		mShader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		InputTexture.Init(mShader, "InputTexture");
 		Uniforms.Init();

src/gl/shaders/gl_postprocessshader.cpp

@@ -169,7 +169,6 @@ void PostProcessShaderInstance::CompileShader()
 	mProgram.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", Desc->ShaderVersion);
 	mProgram.Compile(FShaderProgram::Fragment, lumpName, code, prolog.GetChars(), Desc->ShaderVersion);
 	mProgram.Link(Desc->ShaderLumpName.GetChars());
-	mProgram.SetAttribLocation(0, "PositionInProjection");
 	mInputTexture.Init(mProgram, "InputTexture");
 }
 

src/gl/shaders/gl_presentshader.cpp

@@ -36,8 +36,6 @@ void FPresentShaderBase::Init(const char * vtx_shader_name, const char * program
 	mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquadscale.vp", prolog, 330);
 	mShader.Compile(FShaderProgram::Fragment, vtx_shader_name, prolog, 330);
 	mShader.Link(program_name);
-	mShader.SetAttribLocation(0, "PositionInProjection");
-	mShader.SetAttribLocation(1, "UV");
 	mShader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 	Uniforms.Init();
 }

src/gl/shaders/gl_shader.cpp

@@ -370,12 +370,6 @@ bool FShader::Load(const char * name, const char * vert_prog_lump, const char *
 	glAttachShader(hShader, hVertProg);
 	glAttachShader(hShader, hFragProg);
 
-	glBindAttribLocation(hShader, VATTR_VERTEX, "aPosition");
-	glBindAttribLocation(hShader, VATTR_TEXCOORD, "aTexCoord");
-	glBindAttribLocation(hShader, VATTR_COLOR, "aColor");
-	glBindAttribLocation(hShader, VATTR_VERTEX2, "aVertex2");
-	glBindAttribLocation(hShader, VATTR_NORMAL, "aNormal");
-
 	glLinkProgram(hShader);
 
 	glGetShaderInfoLog(hVertProg, 10000, NULL, buffer);

src/gl/shaders/gl_shaderprogram.cpp

@@ -137,17 +137,6 @@ void FShaderProgram::Link(const char *name)
 	}
 }
 
-//==========================================================================
-//
-// Set vertex attribute location
-//
-//==========================================================================
-
-void FShaderProgram::SetAttribLocation(int index, const char *name)
-{
-	glBindAttribLocation(mProgram, index, name);
-}
-
 //==========================================================================
 //
 // Set uniform buffer location

src/gl/shaders/gl_shaderprogram.h

@@ -21,7 +21,6 @@ public:
 	void Compile(ShaderType type, const char *lumpName, const char *defines, int maxGlslVersion);
 	void Compile(ShaderType type, const char *name, const FString &code, const char *defines, int maxGlslVersion);
 	void Link(const char *name);
-	void SetAttribLocation(int index, const char *name);
 	void SetUniformBufferLocation(int index, const char *name);
 	void Bind();
 

src/gl/shaders/gl_shadowmapshader.cpp

@@ -33,7 +33,6 @@ void FShadowMapShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 430);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/shadowmap.fp", prolog, 430);
 		mShader.Link("shaders/glsl/shadowmap");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		mShader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		Uniforms.Init();
 	}

src/gl/shaders/gl_tonemapshader.cpp

@@ -38,7 +38,6 @@ void FTonemapShader::Bind()
 		shader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		shader.Compile(FShaderProgram::Fragment, "shaders/glsl/tonemap.fp", GetDefines(gl_tonemap), 330);
 		shader.Link("shaders/glsl/tonemap");
-		shader.SetAttribLocation(0, "PositionInProjection");
 		SceneTexture.Init(shader, "InputTexture");
 		ExposureTexture.Init(shader, "ExposureTexture");
 		PaletteLUT.Init(shader, "PaletteLUT");
@@ -73,7 +72,6 @@ void FExposureExtractShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/exposureextract.fp", prolog, 330);
 		mShader.Link("shaders/glsl/exposureextract");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		mShader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		SceneTexture.Init(mShader, "SceneTexture");
 		Uniforms.Init();
@@ -88,7 +86,6 @@ void FExposureAverageShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 400);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/exposureaverage.fp", "", 400);
 		mShader.Link("shaders/glsl/exposureaverage");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		ExposureTexture.Init(mShader, "ExposureTexture");
 	}
 	mShader.Bind();
@@ -103,7 +100,6 @@ void FExposureCombineShader::Bind()
 		mShader.Compile(FShaderProgram::Vertex, "shaders/glsl/screenquad.vp", "", 330);
 		mShader.Compile(FShaderProgram::Fragment, "shaders/glsl/exposurecombine.fp", prolog, 330);
 		mShader.Link("shaders/glsl/exposurecombine");
-		mShader.SetAttribLocation(0, "PositionInProjection");
 		mShader.SetUniformBufferLocation(Uniforms.BindingPoint(), "Uniforms");
 		ExposureTexture.Init(mShader, "ExposureTexture");
 		Uniforms.Init();

wadsrc/static/shaders/glsl/main.vp

@@ -1,10 +1,10 @@
 
-in vec4 aPosition;
-in vec2 aTexCoord;
-in vec4 aColor;
+layout(location = 0) in vec4 aPosition;
+layout(location = 1) in vec2 aTexCoord;
+layout(location = 2) in vec4 aColor;
 #ifndef SIMPLE	// we do not need these for simple shaders
-in vec4 aVertex2;
-in vec4 aNormal;
+layout(location = 3) in vec4 aVertex2;
+layout(location = 4) in vec4 aNormal;
 out vec4 pixelpos;
 out vec3 glowdist;
 

wadsrc/static/shaders/glsl/screenquad.vp

@@ -1,6 +1,6 @@
 
-in vec4 PositionInProjection;
-in vec2 UV;
+layout (location = 0) in vec4 PositionInProjection;
+layout (location = 1) in vec2 UV;
 out vec2 TexCoord;
 
 void main()

wadsrc/static/shaders/glsl/screenquadscale.vp

@@ -1,6 +1,6 @@
 
-in vec4 PositionInProjection;
-in vec2 UV;
+layout (location = 0) in vec4 PositionInProjection;
+layout (location = 1) in vec2 UV;
 out vec2 TexCoord;
 
 void main()