From 98826950529041a022f736d183b52421eedead31 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 5 Mar 2009 10:57:43 -0800 Subject: [PATCH] i965: Add a note about why the _NEW_STENCIL is required in draw_buffers. --- src/mesa/drivers/dri/intel/intel_buffers.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c b/src/mesa/drivers/dri/intel/intel_buffers.c index 732bae5b5ae..0929a2c223c 100644 --- a/src/mesa/drivers/dri/intel/intel_buffers.c +++ b/src/mesa/drivers/dri/intel/intel_buffers.c @@ -277,6 +277,11 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb) (ctx->Stencil._Enabled && fb->Visual.stencilBits > 0)); } else { + /* Mesa's Stencil._Enabled field is updated when + * _NEW_BUFFERS | _NEW_STENCIL, but i965 code assumes that the value + * only changes with _NEW_STENCIL (which seems sensible). So flag it + * here since this is the _NEW_BUFFERS path. + */ ctx->NewState |= (_NEW_DEPTH | _NEW_STENCIL); } -- 2.30.2