From: Alyssa Rosenzweig Date: Mon, 15 Jul 2019 14:08:15 +0000 (-0700) Subject: panfrost: Fix blend_cso if nr_cbufs == 0 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f8e2219b08949e90b34d67c7c9e7369446f16428;p=mesa.git panfrost: Fix blend_cso if nr_cbufs == 0 Fixes: 46396af1ec4b69ca4a ("panfrost: Refactor blend infrastructure") Signed-off-by: Alyssa Rosenzweig --- diff --git a/src/gallium/drivers/panfrost/pan_blend_cso.c b/src/gallium/drivers/panfrost/pan_blend_cso.c index fa5f954c3a8..cf26d7366ee 100644 --- a/src/gallium/drivers/panfrost/pan_blend_cso.c +++ b/src/gallium/drivers/panfrost/pan_blend_cso.c @@ -206,10 +206,13 @@ panfrost_blend_constant(float *out, float *in, unsigned mask) struct panfrost_blend_final panfrost_get_blend_for_context(struct panfrost_context *ctx, unsigned rti) { - /* Grab the format */ + /* Grab the format, falling back gracefully if called invalidly (which + * has to happen for no-color-attachment FBOs, for instance) */ struct pipe_framebuffer_state *fb = &ctx->pipe_framebuffer; - assert(fb->nr_cbufs > rti); - enum pipe_format fmt = fb->cbufs[rti]->format; + enum pipe_format fmt = PIPE_FORMAT_R8G8B8A8_UNORM; + + if (fb->nr_cbufs > rti) + fmt = fb->cbufs[rti]->format; /* Grab the blend state */ struct panfrost_blend_state *blend = ctx->blend;