Re: [Mesa-dev] [PATCH 1/6] mesa: Add field gl_renderbuffer.Unwrapped

2011-06-16 Thread Ian Romanick
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 06/16/2011 10:26 AM, Chad Versace wrote: > I've observed mysterious behaviour when writing to intel's stencil > buffer through a memory mapped pointer. It's seems that the hardware > fails to recognize that the writes ever occurred. (Writes via > re

Re: [Mesa-dev] [PATCH 1/6] mesa: Add field gl_renderbuffer.Unwrapped

2011-06-16 Thread Alex Deucher
On Thu, Jun 16, 2011 at 1:26 PM, Chad Versace wrote: > On 06/16/2011 08:01 AM, Alex Deucher wrote: >> On Wed, Jun 15, 2011 at 9:09 PM, Chad Versace wrote: >>> If a renderbuffer wraps multiple renderbuffers, then Unwrapped points to >>> the them. >>> >>> For example, if hardware requires separate

Re: [Mesa-dev] [PATCH 1/6] mesa: Add field gl_renderbuffer.Unwrapped

2011-06-16 Thread Chad Versace
On 06/16/2011 08:01 AM, Alex Deucher wrote: > On Wed, Jun 15, 2011 at 9:09 PM, Chad Versace wrote: >> If a renderbuffer wraps multiple renderbuffers, then Unwrapped points to >> the them. >> >> For example, if hardware requires separate depth and stencil buffers >> (X8_Z24 and S8), then glRenderbu

Re: [Mesa-dev] [PATCH 1/6] mesa: Add field gl_renderbuffer.Unwrapped

2011-06-16 Thread Alex Deucher
On Wed, Jun 15, 2011 at 9:09 PM, Chad Versace wrote: > If a renderbuffer wraps multiple renderbuffers, then Unwrapped points to > the them. > > For example, if hardware requires separate depth and stencil buffers > (X8_Z24 and S8), then glRenderbufferStorage(GL_DEPTH24_STENCIL8) may > create a fak

[Mesa-dev] [PATCH 1/6] mesa: Add field gl_renderbuffer.Unwrapped

2011-06-15 Thread Chad Versace
If a renderbuffer wraps multiple renderbuffers, then Unwrapped points to the them. For example, if hardware requires separate depth and stencil buffers (X8_Z24 and S8), then glRenderbufferStorage(GL_DEPTH24_STENCIL8) may create a fake S8_Z24 renderbuffer for which Unwrapped[BUFFER_DEPTH] and Unwra