[Mesa-dev] [PATCH] etnaviv: Reset indexed rendering information when not rendering indexed

[Lucas Stach]

Am Freitag, den 14.07.2017, 13:26 +0200 schrieb Wladimir J. van der
Laan:
> A dangling bo object would result in memory corruption while
> loading a level in ioquake3_opengl2.
> 
> Fixes a problem introduced in 330d0607ed60fd3edca192e54b4246310f06652f.
> Fix suggested by Lucas Stach.
> 
> Signed-off-by: Wladimir J. van der Laan <laanwj at gmail.com>

I've adjusted the code and commit message slightly and pushed this out.

Regards,
Lucas

> ---
>  src/gallium/drivers/etnaviv/etnaviv_context.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_context.c b/src/gallium/drivers/etnaviv/etnaviv_context.c
> index e759095..3437906 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_context.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_context.c
> @@ -198,6 +198,12 @@ etna_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info)
>           BUG("Unsupported or no index buffer");
>           return;
>        }
> +   } else {
> +      ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.bo = 0;
> +      ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.offset = 0;
> +      ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.flags = 0;
> +      ctx->index_buffer.FE_INDEX_STREAM_CONTROL = 0;
> +      ctx->dirty |= ETNA_DIRTY_INDEX_BUFFER;
>     }
>  
>     struct etna_shader_key key = {};