From cd6734288ddc15a778def9578e128184b3f6bdea Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 1 May 2009 10:15:21 -0600 Subject: st: when double buffered, only create front color buffer on demand Before we always created the front color buffer, even if was never used. This can save some memory. --- src/mesa/state_tracker/st_framebuffer.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'src/mesa/state_tracker/st_framebuffer.c') diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c index daaad65cca..6ad64739bd 100644 --- a/src/mesa/state_tracker/st_framebuffer.c +++ b/src/mesa/state_tracker/st_framebuffer.c @@ -58,19 +58,19 @@ st_create_framebuffer( const __GLcontextModes *visual, _mesa_initialize_framebuffer(&stfb->Base, visual); - { - /* fake frontbuffer */ - /* XXX allocation should only happen in the unusual case - it's actually needed */ + if (visual->doubleBufferMode) { struct gl_renderbuffer *rb = st_new_renderbuffer_fb(colorFormat, samples); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb); + _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb); } - - if (visual->doubleBufferMode) { + else { + /* Only allocate front buffer right now if we're single buffered. + * If double-buffered, allocate front buffer on demand later. + * See check_create_front_buffers(). + */ struct gl_renderbuffer *rb = st_new_renderbuffer_fb(colorFormat, samples); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb); + _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb); } if (depthFormat == stencilFormat && depthFormat != PIPE_FORMAT_NONE) { -- cgit v1.2.3