mesa: recognize enums GL_COLOR_ATTACHMENT8-31 as valid

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

diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index 83e238ae825f6faa348e231784c4f1a594ed80fb..3ca4b66d771a1cf79390f7ceb4da4fa5b5277701 100644 (file)
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -159,6 +159,9 @@ draw_buffer_enum_to_bitmask(const struct gl_context *ctx, GLenum buffer)
       case GL_COLOR_ATTACHMENT7_EXT:
          return BUFFER_BIT_COLOR7;
       default:
+         /* not an error, but also not supported */
+         if (buffer >= GL_COLOR_ATTACHMENT8 && buffer <= GL_COLOR_ATTACHMENT31)
+            return 1 << BUFFER_COUNT;
          /* error */
          return BAD_MASK;
    }
@@ -214,6 +217,9 @@ read_buffer_enum_to_index(GLenum buffer)
       case GL_COLOR_ATTACHMENT7_EXT:
          return BUFFER_COLOR7;
       default:
+         /* not an error, but also not supported */
+         if (buffer >= GL_COLOR_ATTACHMENT8 && buffer <= GL_COLOR_ATTACHMENT31)
+            return BUFFER_COUNT;
          /* error */
          return -1;
    }