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-rw-r--r--src/intel/compiler/brw_fs.cpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 72393b7a4b9..8bf11f9aa93 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -4281,8 +4281,8 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst,
length = 2;
} else if ((devinfo->gen <= 7 && !devinfo->is_haswell &&
prog_data->uses_kill) ||
- color1.file != BAD_FILE ||
- key->nr_color_regions > 1) {
+ (devinfo->gen < 11 &&
+ (color1.file != BAD_FILE || key->nr_color_regions > 1))) {
/* From the Sandy Bridge PRM, volume 4, page 198:
*
* "Dispatched Pixel Enables. One bit per pixel indicating
@@ -4356,6 +4356,8 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst,
length++;
}
+ bool src0_alpha_present = false;
+
if (src0_alpha.file != BAD_FILE) {
for (unsigned i = 0; i < bld.dispatch_width() / 8; i++) {
const fs_builder &ubld = bld.exec_all().group(8, i)
@@ -4365,12 +4367,14 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst,
setup_color_payload(ubld, key, &sources[length], tmp, 1);
length++;
}
+ src0_alpha_present = true;
} else if (prog_data->replicate_alpha && inst->target != 0) {
/* Handle the case when fragment shader doesn't write to draw buffer
* zero. No need to call setup_color_payload() for src0_alpha because
* alpha value will be undefined.
*/
length += bld.dispatch_width() / 8;
+ src0_alpha_present = true;
}
if (sample_mask.file != BAD_FILE) {
@@ -4448,6 +4452,13 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst,
GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE,
inst->last_rt, false);
+ if (devinfo->gen >= 11) {
+ /* Set the "Render Target Index" and "Src0 Alpha Present" fields
+ * in the extended message descriptor, in lieu of using a header.
+ */
+ ex_desc = inst->target << 12 | src0_alpha_present << 15;
+ }
+
inst->opcode = SHADER_OPCODE_SEND;
inst->resize_sources(3);
inst->sfid = GEN6_SFID_DATAPORT_RENDER_CACHE;