mesa: allow FBO attachments of formats LUMINANCE, LUMINANCE_ALPHA, and INTENSITY

As per the GL_ARB_framebuffer_object specification.

Signed-off-by: Marek Olšák <maraeo@gmail.com>

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 5826d2d2192d987021e3265fc3806ff2e032dde4..bf46f51d7c09eb3ccb3bf1c80e0d013b22fec9f1 100644 (file)
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -409,6 +409,9 @@ is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat)
    case GL_RGB:
    case GL_RGBA:
       return GL_TRUE;
+   case GL_LUMINANCE:
+   case GL_LUMINANCE_ALPHA:
+   case GL_INTENSITY:
    case GL_ALPHA:
       return ctx->Extensions.ARB_framebuffer_object;
    case GL_RED: