summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_visitor.cpp39
1 files changed, 32 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 8aafbef7230..38cf29fb753 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -3098,16 +3098,41 @@ fs_visitor::emit_dummy_fs()
int reg_width = dispatch_width / 8;
/* Everyone's favorite color. */
- emit(MOV(fs_reg(MRF, 2 + 0 * reg_width), fs_reg(1.0f)));
- emit(MOV(fs_reg(MRF, 2 + 1 * reg_width), fs_reg(0.0f)));
- emit(MOV(fs_reg(MRF, 2 + 2 * reg_width), fs_reg(1.0f)));
- emit(MOV(fs_reg(MRF, 2 + 3 * reg_width), fs_reg(0.0f)));
+ const float color[4] = { 1.0, 0.0, 1.0, 0.0 };
+ for (int i = 0; i < 4; i++) {
+ emit(MOV(fs_reg(MRF, 2 + i * reg_width, BRW_REGISTER_TYPE_F,
+ dispatch_width), fs_reg(color[i])));
+ }
fs_inst *write;
- write = emit(FS_OPCODE_FB_WRITE, fs_reg(0), fs_reg(0));
- write->base_mrf = 2;
- write->mlen = 4 * reg_width;
+ write = emit(FS_OPCODE_FB_WRITE);
write->eot = true;
+ if (brw->gen >= 6) {
+ write->base_mrf = 2;
+ write->mlen = 4 * reg_width;
+ } else {
+ write->header_present = true;
+ write->base_mrf = 0;
+ write->mlen = 2 + 4 * reg_width;
+ }
+
+ /* Tell the SF we don't have any inputs. Gen4-5 require at least one
+ * varying to avoid GPU hangs, so set that.
+ */
+ brw_wm_prog_data *wm_prog_data = (brw_wm_prog_data *) this->prog_data;
+ wm_prog_data->num_varying_inputs = brw->gen < 6 ? 1 : 0;
+ memset(wm_prog_data->urb_setup, -1,
+ sizeof(wm_prog_data->urb_setup[0]) * VARYING_SLOT_MAX);
+
+ /* We don't have any uniforms. */
+ stage_prog_data->nr_params = 0;
+ stage_prog_data->nr_pull_params = 0;
+ stage_prog_data->curb_read_length = 0;
+ stage_prog_data->dispatch_grf_start_reg = 2;
+ wm_prog_data->dispatch_grf_start_reg_16 = 2;
+ grf_used = 1; /* Gen4-5 don't allow zero GRF blocks */
+
+ calculate_cfg();
}
/* The register location here is relative to the start of the URB