AuroraMiddleware/SPIRV-Cross
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

GLSL: Require GL_ARB_draw_instanced for gl_InstanceID in GLSL < 1.40

Browse Source
This commit is contained in:
rdb 2020-06-12 22:42:26 +02:00
parent 92fcd7d2b0
commit 031cbaa5a2
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
spirv_glsl.cpp
View File

@ -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."); "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"; return "gl_InstanceID";
case BuiltInVertexIndex: case BuiltInVertexIndex:
if (options.vulkan_semantics) if (options.vulkan_semantics)
@ -6982,7 +6986,13 @@ string CompilerGLSL::builtin_to_glsl(BuiltIn builtin, StorageClass storage)
case BuiltInInstanceIndex: case BuiltInInstanceIndex:
if (options.vulkan_semantics) if (options.vulkan_semantics)
return "gl_InstanceIndex"; 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) if (!options.vulkan_semantics)
{ {