diff options
| -rw-r--r-- | src/mesa/shader/shader_api.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c index 7c5a20bbbeb..161e8b61600 100644 --- a/src/mesa/shader/shader_api.c +++ b/src/mesa/shader/shader_api.c @@ -512,7 +512,7 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index, { struct gl_shader_program *shProg; const GLint size = -1; /* unknown size */ - GLint i; + GLint i, oldIndex; GLenum datatype = GL_FLOAT_VEC4; shProg = _mesa_lookup_shader_program_err(ctx, program, @@ -535,6 +535,14 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index, return; } + if (shProg->LinkStatus) { + /* get current index/location for the attribute */ + oldIndex = _mesa_get_attrib_location(ctx, program, name); + } + else { + oldIndex = -1; + } + /* this will replace the current value if it's already in the list */ i = _mesa_add_attribute(shProg->Attributes, name, size, datatype, index); if (i < 0) { |