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GLSL: Require GL_ARB_draw_instanced for gl_InstanceID in GLSL < 1.40

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rdb 2020-06-12 22:42:26 +02:00
parent 92fcd7d2b0
commit 031cbaa5a2
1 changed files with 11 additions and 1 deletions
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12
spirv_glsl.cpp
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@ -6973,6 +6973,10 @@ string CompilerGLSL::builtin_to_glsl(BuiltIn builtin, StorageClass storage)
"Cannot implement gl_InstanceID in Vulkan GLSL. This shader was created with GL semantics.");
}
}
if (!options.es && options.version < 140)
{
require_extension_internal("GL_ARB_draw_instanced");
}
return "gl_InstanceID";
case BuiltInVertexIndex:
if (options.vulkan_semantics)
@ -6982,7 +6986,13 @@ string CompilerGLSL::builtin_to_glsl(BuiltIn builtin, StorageClass storage)
case BuiltInInstanceIndex:
if (options.vulkan_semantics)
return "gl_InstanceIndex";
else if (options.vertex.support_nonzero_base_instance)
if (!options.es && options.version < 140)
{
require_extension_internal("GL_ARB_draw_instanced");
}
if (options.vertex.support_nonzero_base_instance)
{
if (!options.vulkan_semantics)
{