From 2b3a0209280aa097b00254b714ae01d4d2ff01cb Mon Sep 17 00:00:00 2001 From: Pavel Asyutchenko Date: Thu, 7 Oct 2021 20:57:16 +0300 Subject: [PATCH] llvmpipe: protect from doing FB fetch of missing buffers Signed-off-by: Pavel Asyutchenko Reviewed-by: Dave Airlie Part-of: --- src/gallium/drivers/llvmpipe/lp_state_fs.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index 976d14a3224..7a01528e36a 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -470,6 +470,11 @@ static void fs_fb_fetch(const struct lp_build_fs_iface *iface, LLVMValueRef dst[4 * 4]; enum pipe_format cbuf_format = key->cbuf_format[cbuf]; const struct util_format_description* out_format_desc = util_format_description(cbuf_format); + if (out_format_desc->format == PIPE_FORMAT_NONE) { + result[0] = result[1] = result[2] = result[3] = bld->undef; + return; + } + struct lp_type dst_type; unsigned block_size = bld->type.length; unsigned block_height = key->resource_1d ? 1 : 2;