Automatically detect which multisample buffers to resolve

[libs/gl.git] / source / core / frameformat.cpp

diff --git a/source/core/frameformat.cpp b/source/core/frameformat.cpp
index 3b114e7f2f0ebd01da02ea39ce5edd72f64e2be8..f56d13a68b27db15bd98c9fb97fa5e187bd23fe6 100644 (file)
--- a/source/core/frameformat.cpp
+++ b/source/core/frameformat.cpp
@@ -133,5 +133,20 @@ GLenum get_gl_attachment(FrameAttachment fa)
                return GL_COLOR_ATTACHMENT0+get_attach_point(fa);
 }
 
+GLenum get_gl_buffer_bits(const FrameFormat &format)
+{
+       GLenum bits = 0;
+       for(FrameAttachment a: format)
+       {
+               if(get_attach_point(a)==get_attach_point(DEPTH_ATTACHMENT))
+                       bits |= GL_DEPTH_BUFFER_BIT;
+               else if(get_attach_point(a)==get_attach_point(STENCIL_ATTACHMENT))
+                       bits |= GL_STENCIL_BUFFER_BIT;
+               else
+                       bits |= GL_COLOR_BUFFER_BIT;
+       }
+       return bits;
+}
+
 } // namespace GL
 } // namespace Msp