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List:       mesa3d-dev
Subject:    Re: [Mesa3d-dev] [PATCH] can not get stencil_back* parameters when
From:       Roland Scheidegger <sroland () tungstengraphics ! com>
Date:       2007-11-14 12:43:29
Message-ID: 473AED71.5080202 () tungstengraphics ! com
[Download RAW message or body]

Wu, Nian wrote:
> 
> Hi,
> 
> If use indirect rendering, glx does not return the correct
> STENCIL_BACK_* parameters. Below is the patch, if it is OK, please
> commit in:
> 
> diff --git a/src/mesa/glapi/gl_API.xml b/src/mesa/glapi/gl_API.xml
> index ef4a309..7eff99a 100644
> --- a/src/mesa/glapi/gl_API.xml
> +++ b/src/mesa/glapi/gl_API.xml
> @@ -5114,9 +5114,15 @@
>      </enum>
>      <enum name="LOWER_LEFT"                       value="0x8CA1"/>
>      <enum name="UPPER_LEFT"                       value="0x8CA2"/>
> -    <enum name="STENCIL_BACK_REF"                 value="0x8CA3"/>
> -    <enum name="STENCIL_BACK_VALUE_MASK"          value="0x8CA4"/>
> -    <enum name="STENCIL_BACK_WRITEMASK"           value="0x8CA5"/>
> +    <enum name="STENCIL_BACK_REF"                 count="1"   
> value="0x8CA3">
> +       <size name="Get" mode="get"/>
> +    </enum>
> +    <enum name="STENCIL_BACK_VALUE_MASK"          count="1"   
> value="0x8CA4">
> +       <size name="Get" mode="get"/>
> +    </enum>
> +    <enum name="STENCIL_BACK_WRITEMASK"           count="1"   
> value="0x8CA5">
> +       <size name="Get" mode="get"/>
> +    </enum>
> 
>      <function name="BlendEquationSeparate"
> alias="BlendEquationSeparateEXT">
>          <param name="modeRGB" type="GLenum"/>
> 

Shouldn't STENCIL_BACK_FUNC, STENCIL_BACK_FAIL,
STENCIL_BACK_PASS_DEPTH_FAIL and STENCIL_BACK_PASS_DEPTH_PASS get the
same treatment? This just works currently because it's the same opcodes
as the ATI versions.
That said, I'm not sure this is even supposed to work with indirect
rendering?

Roland

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