diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index 1b9119eda00..6243a96f454 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -546,6 +546,7 @@ generate_fragment(struct llvmpipe_context *lp, unsigned i; unsigned chan; unsigned cbuf; + boolean cbuf0_write_all; /* Adjust color input interpolation according to flatshade state: */ @@ -559,6 +560,15 @@ generate_fragment(struct llvmpipe_context *lp, } } + /* check if writes to cbuf[0] are to be copied to all cbufs */ + cbuf0_write_all = FALSE; + for (i = 0;i < shader->info.base.num_properties; i++) { + if (shader->info.base.properties[i].name == + TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS) { + cbuf0_write_all = TRUE; + break; + } + } /* TODO: actually pick these based on the fs and color buffer * characteristics. */ @@ -697,9 +707,10 @@ generate_fragment(struct llvmpipe_context *lp, mask_input, counter); - for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) - for(chan = 0; chan < NUM_CHANNELS; ++chan) - fs_out_color[cbuf][chan][i] = out_color[cbuf][chan]; + for (cbuf = 0; cbuf < key->nr_cbufs; cbuf++) + for (chan = 0; chan < NUM_CHANNELS; ++chan) + fs_out_color[cbuf][chan][i] = + out_color[cbuf * !cbuf0_write_all][chan]; } sampler->destroy(sampler); |