comment about uniforms

1 files changed, 4 insertions, 0 deletions

diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 8daf585f7d..1e282e7373 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -737,6 +737,10 @@ _mesa_get_uniform_location(GLcontext *ctx, GLuint program, const GLchar *name)
       for (loc = 0; loc < shProg->Uniforms->NumParameters; loc++) {
          const struct gl_program_parameter *u
             = shProg->Uniforms->Parameters + loc;
+         /* XXX this is a temporary simplification / short-cut.
+          * We need to handle things like "e.c[0].b" as seen in the
+          * GLSL orange book, page 189.
+          */
          if (u->Type == PROGRAM_UNIFORM && !strcmp(u->Name, name)) {
             return loc;
          }