We have to maintain the internal offset ourselves. Per v3d. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzw...@collabora.com> --- src/gallium/drivers/panfrost/pan_context.c | 10 ++++++++++ src/gallium/drivers/panfrost/pan_context.h | 1 + 2 files changed, 11 insertions(+)
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c index 9f89200a97f..29c8f3d0e62 100644 --- a/src/gallium/drivers/panfrost/pan_context.c +++ b/src/gallium/drivers/panfrost/pan_context.c @@ -1530,6 +1530,7 @@ panfrost_draw_vbo( /* Take into account a negative bias */ ctx->vertex_count = info->count + abs(info->index_bias); ctx->instance_count = info->instance_count; + ctx->active_prim = info->mode; /* For non-indexed draws, they're the same */ unsigned vertex_count = ctx->vertex_count; @@ -1644,6 +1645,15 @@ panfrost_draw_vbo( /* Fire off the draw itself */ panfrost_queue_draw(ctx); + + /* Increment transform feedback offsets */ + + for (unsigned i = 0; i < ctx->streamout.num_targets; ++i) { + unsigned output_count = u_stream_outputs_for_vertices( + ctx->active_prim, ctx->vertex_count); + + ctx->streamout.offsets[i] += output_count; + } } /* CSO state */ diff --git a/src/gallium/drivers/panfrost/pan_context.h b/src/gallium/drivers/panfrost/pan_context.h index 304733abc32..39893655f08 100644 --- a/src/gallium/drivers/panfrost/pan_context.h +++ b/src/gallium/drivers/panfrost/pan_context.h @@ -147,6 +147,7 @@ struct panfrost_context { unsigned vertex_count; unsigned instance_count; + enum pipe_prim_type active_prim; /* If instancing is enabled, vertex count padded for instance; if * it is disabled, just equal to plain vertex count */ -- 2.20.1 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev