diff options
Diffstat (limited to 'src/gallium/drivers/vc4')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index ff2bdf2099d..0fa43e2c9fa 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -1804,15 +1804,6 @@ emit_frag_end(struct vc4_compile *c) blend_color[i] = qir_srgb_encode(c, blend_color[i]); } - /* If the bit isn't set in the color mask, then just return the - * original dst color, instead. - */ - for (int i = 0; i < 4; i++) { - if (!(c->fs_key->blend.colormask & (1 << i))) { - blend_color[i] = dst_color[i]; - } - } - /* Debug: Sometimes you're getting a black output and just want to see * if the FS is getting executed at all. Spam magenta into the color * output. @@ -1875,6 +1866,24 @@ emit_frag_end(struct vc4_compile *c) packed_color = vc4_logicop(c, packed_color, packed_dst_color); } + /* If the bit isn't set in the color mask, then just return the + * original dst color, instead. + */ + uint32_t colormask = 0xffffffff; + for (int i = 0; i < 4; i++) { + if (format_swiz[i] < 4 && + !(c->fs_key->blend.colormask & (1 << format_swiz[i]))) { + colormask &= ~(0xff << (i * 8)); + } + } + if (colormask != 0xffffffff) { + packed_color = qir_OR(c, + qir_AND(c, packed_color, + qir_uniform_ui(c, colormask)), + qir_AND(c, packed_dst_color, + qir_uniform_ui(c, ~colormask))); + } + qir_emit(c, qir_inst(QOP_TLB_COLOR_WRITE, c->undef, packed_color, c->undef)); } |