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Add support for GL_ARB_shading_language_include

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Add support for GL_ARB_shading_language_include. Usage is identical to
the way GL_GOOGLE_include_directive currently works glslang (since
GL_ARB_shading_language_include is inherently a runtime feature and
glslang is an offline compiler).

Users can simulate their runtime environment by using a custom
glslang::TShader::Includer or using filenames that match their GL
runtime names.

Closes #249.
This commit is contained in:
Nathaniel Cesario 2023-12-15 12:08:05 -07:00 • committed by arcady-lunarg
parent fa04cdf355
commit b0df68c490
12 changed files with 59 additions and 6 deletions
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3
glslang/MachineIndependent/Versions.cpp
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@ -269,6 +269,7 @@ void TParseVersions::initializeExtensionBehavior()
// #line and #include
extensionBehavior[E_GL_GOOGLE_cpp_style_line_directive] = EBhDisable;
extensionBehavior[E_GL_GOOGLE_include_directive] = EBhDisable;
extensionBehavior[E_GL_ARB_shading_language_include] = EBhDisable;
extensionBehavior[E_GL_AMD_shader_ballot] = EBhDisable;
extensionBehavior[E_GL_AMD_shader_trinary_minmax] = EBhDisable;
@ -983,6 +984,8 @@ void TParseVersions::updateExtensionBehavior(int line, const char* extension, co
updateExtensionBehavior(line, "GL_OES_shader_io_blocks", behaviorString);
else if (strcmp(extension, "GL_GOOGLE_include_directive") == 0)
updateExtensionBehavior(line, "GL_GOOGLE_cpp_style_line_directive", behaviorString);
else if (strcmp(extension, "GL_ARB_shading_language_include") == 0)
updateExtensionBehavior(line, "GL_GOOGLE_cpp_style_line_directive", behaviorString);
// subgroup_* to subgroup_basic
else if (strcmp(extension, "GL_KHR_shader_subgroup_vote") == 0)
updateExtensionBehavior(line, "GL_KHR_shader_subgroup_basic", behaviorString);