From: Marek Olšák <marek.ol...@amd.com> This might fix mmap errors with Natural Selection 2, which a 32-bit game.
It would be nice if someone tested this patch with the game. v2: use sizeof(void*) --- src/gallium/drivers/radeon/r600_texture.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index 7c4717d..0bb3c81 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -1153,10 +1153,19 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, static void r600_texture_transfer_unmap(struct pipe_context *ctx, struct pipe_transfer* transfer) { + struct r600_common_context *rctx = (struct r600_common_context*)ctx; struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; struct pipe_resource *texture = transfer->resource; struct r600_texture *rtex = (struct r600_texture*)texture; + if (sizeof(void*) == 4) { + /* 32-bit address space can run out of space pretty quickly. */ + if (rtransfer->staging) + rctx->ws->buffer_unmap(rtransfer->staging->buf); + else + rctx->ws->buffer_unmap(rtex->resource.buf); + } + if ((transfer->usage & PIPE_TRANSFER_WRITE) && rtransfer->staging) { if (rtex->is_depth && rtex->resource.b.b.nr_samples <= 1) { ctx->resource_copy_region(ctx, texture, transfer->level, -- 2.1.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev