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intel/fs: Rework dynamic coarse handling

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Use 2 flags for PI & RT messages.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21094>
This commit is contained in:
Jason Ekstrand
2021-12-03 10:45:58 -06:00
committed by Marge Bot
parent 964b878986
commit f3969e2413
4 changed files with 19 additions and 15 deletions
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13
src/intel/compiler/brw_lower_logical_sends.cpp
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@@ -359,17 +359,17 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst,
inst->desc =
(inst->group / 16) << 11 | /* rt slot group */
brw_fb_write_desc(devinfo, inst->target, msg_ctl, inst->last_rt,
0 /* coarse_write */);
0 /* coarse_rt_write */);
fs_reg desc = brw_imm_ud(0);
if (prog_data->coarse_pixel_dispatch == BRW_ALWAYS) {
inst->desc |= (1 << 18);
} else if (prog_data->coarse_pixel_dispatch == BRW_SOMETIMES) {
STATIC_ASSERT(BRW_WM_MSAA_FLAG_COARSE_DISPATCH == (1 << 18));
STATIC_ASSERT(BRW_WM_MSAA_FLAG_COARSE_RT_WRITES == (1 << 18));
const fs_builder &ubld = bld.exec_all().group(8, 0);
desc = ubld.vgrf(BRW_REGISTER_TYPE_UD);
ubld.AND(desc, dynamic_msaa_flags(prog_data),
brw_imm_ud(BRW_WM_MSAA_FLAG_COARSE_DISPATCH));
brw_imm_ud(BRW_WM_MSAA_FLAG_COARSE_RT_WRITES));
desc = component(desc, 0);
}
@@ -2499,15 +2499,12 @@ lower_interpolator_logical_send(const fs_builder &bld, fs_inst *inst,
if (wm_prog_data->coarse_pixel_dispatch == BRW_ALWAYS) {
desc_imm |= (1 << 15);
} else if (wm_prog_data->coarse_pixel_dispatch == BRW_SOMETIMES) {
STATIC_ASSERT(BRW_WM_MSAA_FLAG_COARSE_PI_MSG == (1 << 15));
fs_reg orig_desc = desc;
const fs_builder &ubld = bld.exec_all().group(8, 0);
desc = ubld.vgrf(BRW_REGISTER_TYPE_UD);
ubld.AND(desc, dynamic_msaa_flags(wm_prog_data),
brw_imm_ud(BRW_WM_MSAA_FLAG_COARSE_DISPATCH));
/* The uniform is in bit 18 but we need it in bit 15 */
STATIC_ASSERT(BRW_WM_MSAA_FLAG_COARSE_DISPATCH == (1 << 18));
ubld.SHR(desc, desc, brw_imm_ud(3));
brw_imm_ud(BRW_WM_MSAA_FLAG_COARSE_PI_MSG));
/* And, if it's AT_OFFSET, we might have a non-trivial descriptor */
if (orig_desc.file == IMM) {