main/buffers: take into account FRONT_AND_BACK on ReadBuffer

[mesa.git] / src / mesa / main / buffers.c

diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index bba5e7e701cf2d4ee1ec1b888da928b4fbd8c1d6..7d17ae92de23d8c3541e88e4a2131f435c62e271 100644 (file)
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -204,6 +204,8 @@ read_buffer_enum_to_index(const struct gl_context *ctx, GLenum buffer)
          return BUFFER_FRONT_LEFT;
       case GL_AUX0:
          return BUFFER_AUX0;
+      case GL_FRONT_AND_BACK:
+         return BUFFER_FRONT_LEFT;
       case GL_AUX1:
       case GL_AUX2:
       case GL_AUX3: