[Mesa-dev] [Intel-gfx] [PATCH] intel: Fix stencil buffer to be W tiled

[Paul Menzel]

Am Montag, den 18.07.2011, 00:55 -0700 schrieb Chad Versace:

[…]

> diff --git a/src/mesa/drivers/dri/intel/intel_span.c b/src/mesa/drivers/dri/intel/intel_span.c
> index 153803f..d306432 100644
> --- a/src/mesa/drivers/dri/intel/intel_span.c
> +++ b/src/mesa/drivers/dri/intel/intel_span.c
> @@ -131,38 +131,77 @@ intel_set_span_functions(struct intel_context *intel,
>     int miny = 0;							\
>     int maxx = rb->Width;						\
>     int maxy = rb->Height;						\
> -   int stride = rb->RowStride;						\
> -   uint8_t *buf = rb->Data;						\
> +									\
> +   /*									\
> +    * Here we ignore rb->Data and rb->RowStride as set by		\
> +    * intelSpanRenderStart. Since intel_offset_S8 decodes the W tile	\
> +    * manually, the region's *real* base address and stride is		\
> +    * required.								\
> +    */									\
> +   struct intel_renderbuffer *irb = intel_renderbuffer(rb);		\
> +   uint8_t *buf = irb->region->buffer->virtual;				\

There are alignment/white space issues above.

> +   unsigned stride = irb->region->pitch;				\
> +   unsigned height = 2 * irb->region->height;				\
> +   bool flip = rb->Name == 0;						\

[…]


Thanks,

Paul
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