From 38c616260a4c14bf5a1d7831e6349c3e8817d14b Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 8 Nov 2007 14:49:37 -0800 Subject: [intel] Initialize a depth buffer if the visual has depth 24 but no stencil. --- src/mesa/drivers/dri/intel/intel_screen.c | 43 ++++++++++++++++++++----------- 1 file changed, 28 insertions(+), 15 deletions(-) (limited to 'src/mesa/drivers') diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c index 25f5efa7bcf..a34250952ac 100644 --- a/src/mesa/drivers/dri/intel/intel_screen.c +++ b/src/mesa/drivers/dri/intel/intel_screen.c @@ -655,21 +655,34 @@ intelCreateBuffer(__DRIscreenPrivate * driScrnPriv, } } - if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) { - /* combined depth/stencil buffer */ - struct intel_renderbuffer *depthStencilRb - = intel_create_renderbuffer(GL_DEPTH24_STENCIL8_EXT, - screen->width, screen->height, - screen->depth.offset, - screen->depth.pitch, - screen->cpp, /* 4! */ - screen->depth.map); - intel_set_span_functions(&depthStencilRb->Base); - /* note: bind RB to two attachment points */ - _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, - &depthStencilRb->Base); - _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_STENCIL, - &depthStencilRb->Base); + if (mesaVis->depthBits == 24) { + if (mesaVis->stencilBits == 8) { + /* combined depth/stencil buffer */ + struct intel_renderbuffer *depthStencilRb + = intel_create_renderbuffer(GL_DEPTH24_STENCIL8_EXT, + screen->width, screen->height, + screen->depth.offset, + screen->depth.pitch, + screen->cpp, /* 4! */ + screen->depth.map); + intel_set_span_functions(&depthStencilRb->Base); + /* note: bind RB to two attachment points */ + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, + &depthStencilRb->Base); + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_STENCIL, + &depthStencilRb->Base); + } else { + struct intel_renderbuffer *depthRb + = intel_create_renderbuffer(GL_DEPTH_COMPONENT24, + screen->width, screen->height, + screen->depth.offset, + screen->depth.pitch, + screen->cpp, /* 4! */ + screen->depth.map); + intel_set_span_functions(&depthRb->Base); + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, + &depthRb->Base); + } } else if (mesaVis->depthBits == 16) { /* just 16-bit depth buffer, no hw stencil */ -- cgit v1.2.3