diff options
| -rw-r--r-- | src/mesa/main/teximage.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 4dff27567e0..127e9bf5693 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1954,10 +1954,12 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, } /* Make sure the requested image format is compatible with the - * texture's format. + * texture's format. We let the colorformat-indexformat go through, + * because the texelfetcher will dequantize to full rgba. */ if (is_color_format(format) - && !is_color_format(texImage->TexFormat->BaseFormat)) { + && !is_color_format(texImage->TexFormat->BaseFormat) + && !is_index_format(texImage->TexFormat->BaseFormat)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)"); return; } |