GLShaderInterface: Fix undefined behavior when attributes are optimized away.

Optimized out attributes returns an invalid location `-1` resulting in an undefined behavior shift.
2022-02-15 00:48:18 +01:00
parent b744081f83
commit d7d827789b
1 changed files with 3 additions and 1 deletions
--- a/source/blender/gpu/opengl/gl_shader_interface.cc
+++ b/source/blender/gpu/opengl/gl_shader_interface.cc
@@ -391,7 +391,9 @@ GLShaderInterface::GLShaderInterface(GLuint program, const shader::ShaderCreateI
    else {
      input->location = input->binding = attr.index;
    }
-    enabled_attr_mask_ |= (1 << input->location);
+    if (input->location != -1) {
+      enabled_attr_mask_ |= (1 << input->location);
+    }
    input++;
  }