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GLSL: Add option to emit custom entry point name #2599

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Merged
HansKristian-Work merged 1 commit into from
Feb 26, 2026
+11 −2
Merged

GLSL: Add option to emit custom entry point name #2599

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10 changes: 8 additions & 2 deletions spirv_glsl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -807,7 +807,10 @@ string CompilerGLSL::compile()
// The body was implemented in lieu of main().
if (interlocked_is_complex)
{
statement("void main()");
if (options.use_entry_point_name)
statement("void ", get_entry_point().name, "()");
else
statement("void main()");
begin_scope();
statement("// Interlocks were used in a way not compatible with GLSL, this is very slow.");
statement("SPIRV_Cross_beginInvocationInterlock();");
Expand All @@ -817,7 +820,8 @@ string CompilerGLSL::compile()
}

// Entry point in GLSL is always main().
get_entry_point().name = "main";
if (!options.use_entry_point_name)
get_entry_point().name = "main";

return buffer.str();
}
Expand Down Expand Up @@ -17383,6 +17387,8 @@ void CompilerGLSL::emit_function_prototype(SPIRFunction &func, const Bitset &ret
// and interlock the entire shader ...
if (interlocked_is_complex)
decl += "spvMainInterlockedBody";
else if (options.use_entry_point_name)
decl += get_entry_point().name;
else
decl += "main";

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3 changes: 3 additions & 0 deletions spirv_glsl.hpp
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Expand Up @@ -159,6 +159,9 @@ class CompilerGLSL : public Compiler
// If non-zero, controls layout(num_views = N) in; in GL_OVR_multiview2.
uint32_t ovr_multiview_view_count = 0;

// Emit the entry point name in SPIR-V rather than "main".
bool use_entry_point_name = false;

enum Precision
{
DontCare,
Expand Down