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Allow GL_NV_mesh_shader in fragment shaders for perprimitiveNV

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- Emit relevant capability/extension for use of perprimitiveNV in fragment shader
- Remove redundant checks for mesh shader qualifiers in glslang.y
- Add profile version check for use of extension GL_NV_mesh_shader
- Add a new gtest for use of perprimitiveNV in fragment shader
This commit is contained in:
Sahil Parmar 2018-10-25 23:50:59 -07:00
parent 816bc4447c
commit 38772c0434
8 changed files with 116 additions and 21 deletions
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12
glslang/MachineIndependent/glslang.y
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@ -1157,30 +1157,30 @@ interpolation_qualifier
}
| PERPRIMITIVENV {
#ifdef NV_EXTENSIONS
// No need for profile version or extension check. Shader stage already checks both.
parseContext.globalCheck($1.loc, "perprimitiveNV");
parseContext.requireStage($1.loc, (EShLanguageMask)(EShLangFragmentMask | EShLangMeshNVMask), "perprimitiveNV");
parseContext.profileRequires($1.loc, ECoreProfile, 450, E_GL_NV_mesh_shader, "perprimitiveNV");
parseContext.profileRequires($1.loc, EEsProfile, 320, E_GL_NV_mesh_shader, "perprimitiveNV");
// Fragment shader stage doesn't check for extension. So we explicitly add below extension check.
if (parseContext.language == EShLangFragment)
parseContext.requireExtensions($1.loc, 1, &E_GL_NV_mesh_shader, "perprimitiveNV");
$$.init($1.loc);
$$.qualifier.perPrimitiveNV = true;
#endif
}
| PERVIEWNV {
#ifdef NV_EXTENSIONS
// No need for profile version or extension check. Shader stage already checks both.
parseContext.globalCheck($1.loc, "perviewNV");
parseContext.requireStage($1.loc, EShLangMeshNV, "perviewNV");
parseContext.profileRequires($1.loc, ECoreProfile, 450, E_GL_NV_mesh_shader, "perviewNV");
parseContext.profileRequires($1.loc, EEsProfile, 320, E_GL_NV_mesh_shader, "perviewNV");
$$.init($1.loc);
$$.qualifier.perViewNV = true;
#endif
}
| PERTASKNV {
#ifdef NV_EXTENSIONS
// No need for profile version or extension check. Shader stage already checks both.
parseContext.globalCheck($1.loc, "taskNV");
parseContext.requireStage($1.loc, (EShLanguageMask)(EShLangTaskNVMask | EShLangMeshNVMask), "taskNV");
parseContext.profileRequires($1.loc, ECoreProfile, 450, E_GL_NV_mesh_shader, "taskNV");
parseContext.profileRequires($1.loc, EEsProfile, 320, E_GL_NV_mesh_shader, "taskNV");
$$.init($1.loc);
$$.qualifier.perTaskNV = true;
#endif