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ShaderGen: Use interface blocks when geometry shaders are supported

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We don't use explicit locations in OpenGL currently, so this breaks
when we use alternative names in the geometry shaders.
This commit is contained in:
Stenzek
2019-04-20 23:44:33 +10:00
parent 4b1adab785
commit eddde3e6c8
3 changed files with 92 additions and 24 deletions
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68
Source/Core/VideoCommon/FramebufferShaderGen.cpp
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@ -104,10 +104,23 @@ static void EmitVertexMainDeclaration(std::stringstream& ss, u32 num_tex_inputs,
<< ";\n";
if (position_input)
ss << "ATTRIBUTE_LOCATION(" << SHADER_POSITION_ATTRIB << ") in float4 rawpos;\n";
for (u32 i = 0; i < num_tex_outputs; i++)
ss << "VARYING_LOCATION(" << i << ") out float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_color_outputs; i++)
ss << "VARYING_LOCATION(" << (num_tex_inputs + i) << ") out float4 v_col" << i << ";\n";
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
{
ss << "VARYING_LOCATION(0) out VertexData {\n";
for (u32 i = 0; i < num_tex_outputs; i++)
ss << " float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_color_outputs; i++)
ss << " float4 v_col" << i << ";\n";
ss << "};\n";
}
else
{
for (u32 i = 0; i < num_tex_outputs; i++)
ss << "VARYING_LOCATION(" << i << ") out float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_color_outputs; i++)
ss << "VARYING_LOCATION(" << (num_tex_inputs + i) << ") out float4 v_col" << i << ";\n";
}
ss << "#define opos gl_Position\n";
ss << extra_inputs << "\n";
ss << "void main()\n";
@ -138,10 +151,23 @@ static void EmitPixelMainDeclaration(std::stringstream& ss, u32 num_tex_inputs,
case APIType::OpenGL:
case APIType::Vulkan:
{
for (u32 i = 0; i < num_tex_inputs; i++)
ss << "VARYING_LOCATION(" << i << ") in float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_color_inputs; i++)
ss << "VARYING_LOCATION(" << (num_tex_inputs + i) << ") in float4 v_col" << i << ";\n";
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
{
ss << "VARYING_LOCATION(0) in VertexData {\n";
for (u32 i = 0; i < num_tex_inputs; i++)
ss << " in float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_color_inputs; i++)
ss << " in float4 v_col" << i << ";\n";
ss << "};\n";
}
else
{
for (u32 i = 0; i < num_tex_inputs; i++)
ss << "VARYING_LOCATION(" << i << ") in float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_color_inputs; i++)
ss << "VARYING_LOCATION(" << (num_tex_inputs + i) << ") in float4 v_col" << i << ";\n";
}
ss << "FRAGMENT_OUTPUT_LOCATION(0) out " << output_type << " ocol0;\n";
ss << extra_vars << "\n";
ss << "void main()\n";
@ -218,15 +244,20 @@ std::string GeneratePassthroughGeometryShader(u32 num_tex, u32 num_colors)
{
ss << "layout(triangles) in;\n";
ss << "layout(triangle_strip, max_vertices = 6) out;\n";
for (u32 i = 0; i < num_tex; i++)
if (num_tex > 0 || num_colors > 0)
{
ss << "layout(location = " << i << ") in float3 v_tex" << i << "[];\n";
ss << "layout(location = " << i << ") out float3 out_tex" << i << ";\n";
}
for (u32 i = 0; i < num_colors; i++)
{
ss << "layout(location = " << (num_tex + i) << ") in float4 v_col" << i << "[];\n";
ss << "layout(location = " << (num_tex + i) << ") out float4 out_col" << i << ";\n";
ss << "VARYING_LOCATION(0) in VertexData {\n";
for (u32 i = 0; i < num_tex; i++)
ss << " float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_colors; i++)
ss << " float4 v_col" << i << ";\n";
ss << "} v_in[];\n";
ss << "VARYING_LOCATION(0) out VertexData {\n";
for (u32 i = 0; i < num_tex; i++)
ss << " float3 v_tex" << i << ";\n";
for (u32 i = 0; i < num_colors; i++)
ss << " float4 v_col" << i << ";\n";
ss << "} v_out;\n";
}
ss << "\n";
ss << "void main()\n";
@ -240,9 +271,10 @@ std::string GeneratePassthroughGeometryShader(u32 num_tex, u32 num_colors)
{
ss << " gl_Position = gl_in[" << v << "].gl_Position;\n";
for (u32 i = 0; i < num_tex; i++)
ss << " out_tex" << i << " = float3(v_tex" << i << "[" << v << "].xy, float(j));\n";
ss << " v_out.v_tex" << i << " = float3(v_in[" << v << "].v_tex" << i
<< ".xy, float(j));\n";
for (u32 i = 0; i < num_colors; i++)
ss << " out_col" << i << " = v_col" << i << "[" << v << "];\n";
ss << " v_out.v_col" << i << " = v_in[" << v << "].v_col" << i << ";\n";
ss << " EmitVertex();\n\n";
}
ss << " EndPrimitive();\n";