main: Support 1 Mesa format with get for GL_PROGRAM_BINARY_FORMATS

Mesa supports either 0 or 1 formats. If 1 format is supported, it is
GL_PROGRAM_BINARY_FORMAT_MESA as defined in the
GL_MESA_program_binary_formats extension spec.

Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index ea8d932b182..c1b1a89ee05 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -1151,6 +1151,15 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
          }
       }
       break;
+
+   /* GL_ARB_get_program_binary */
+   case GL_PROGRAM_BINARY_FORMATS:
+      assert(ctx->Const.NumProgramBinaryFormats <= 1);
+      v->value_int_n.n = MIN2(ctx->Const.NumProgramBinaryFormats, 1);
+      if (ctx->Const.NumProgramBinaryFormats > 0) {
+         v->value_int_n.ints[0] = GL_PROGRAM_BINARY_FORMAT_MESA;
+      }
+      break;
    }
 }