Module: Mesa Branch: main Commit: 2234362f54599e90119b490c63efa6174735451d URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2234362f54599e90119b490c63efa6174735451d
Author: Marek Olšák <[email protected]> Date: Mon Mar 21 08:11:05 2022 -0400 radeonsi: don't compile monolithic PS for dual source blending The code was compiling monolithic PS if a shader output didn't have a color buffer, but dual src blending never has a color buffer for mrt1. Reviewed-by: Pierre-Eric Pelloux-Prayer <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15965> --- src/gallium/drivers/radeonsi/si_state_shaders.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.cpp b/src/gallium/drivers/radeonsi/si_state_shaders.cpp index 8579a2135f6..c9d78016bf2 100644 --- a/src/gallium/drivers/radeonsi/si_state_shaders.cpp +++ b/src/gallium/drivers/radeonsi/si_state_shaders.cpp @@ -2196,8 +2196,11 @@ void si_ps_key_update_framebuffer_blend(struct si_context *sctx) /* Eliminate shader code computing output values that are unused. * This enables dead code elimination between shader parts. * Check if any output is eliminated. + * + * Dual source blending never has color buffer 1 enabled, so ignore it. */ if (sel->colors_written_4bit & + (blend->dual_src_blend ? 0xffffff0f : 0xffffffff) & ~(sctx->framebuffer.colorbuf_enabled_4bit & blend->cb_target_enabled_4bit)) key->ps.opt.prefer_mono = 1; else
