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authorKenneth Graunke <[email protected]>2014-05-13 21:21:21 -0700
committerKenneth Graunke <[email protected]>2014-05-18 23:35:18 -0700
commitc76e6db05f9256711a226de8562124a5f14aae2d (patch)
tree047f54c1a9f7afb5d7f6e55d08b6f4c2ff286b37 /src/mesa/drivers
parent5cd7cf58e66ebb4e87a7fe6bba3b43f062ace47f (diff)
i965/fs: Simplify gl_SampleMaskIn handling.
As far as I can tell, there's no point in allocating an extra register and generating a MOV---we can just use the copy provided as part of our thread payload directly. It's already in the right format. Of course, there are zero Piglit tests for this. We don't actually ship the extension (GL_ARB_gpu_shader5) that exposes this functionality either. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Chris Forbes <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp10
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.h1
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_visitor.cpp4
3 files changed, 3 insertions, 12 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index ac257d6821a..336b8e608fc 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1331,16 +1331,6 @@ fs_visitor::emit_sampleid_setup(ir_variable *ir)
return reg;
}
-fs_reg *
-fs_visitor::emit_samplemaskin_setup(ir_variable *ir)
-{
- assert(brw->gen >= 7);
- this->current_annotation = "compute gl_SampleMaskIn";
- fs_reg *reg = new(this->mem_ctx) fs_reg(this, ir->type);
- emit(MOV(*reg, fs_reg(retype(brw_vec8_grf(c->sample_mask_in_reg, 0), BRW_REGISTER_TYPE_D))));
- return reg;
-}
-
fs_reg
fs_visitor::fix_math_operand(fs_reg src)
{
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index 4c8ed72aef8..dac2d8ad36b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -397,7 +397,6 @@ public:
fs_reg *emit_frontfacing_interpolation(ir_variable *ir);
fs_reg *emit_samplepos_setup(ir_variable *ir);
fs_reg *emit_sampleid_setup(ir_variable *ir);
- fs_reg *emit_samplemaskin_setup(ir_variable *ir);
fs_reg *emit_general_interpolation(ir_variable *ir);
void emit_interpolation_setup_gen4();
void emit_interpolation_setup_gen6();
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 307d07bb6e6..eff762975ae 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -138,7 +138,9 @@ fs_visitor::visit(ir_variable *ir)
} else if (ir->data.location == SYSTEM_VALUE_SAMPLE_ID) {
reg = emit_sampleid_setup(ir);
} else if (ir->data.location == SYSTEM_VALUE_SAMPLE_MASK_IN) {
- reg = emit_samplemaskin_setup(ir);
+ assert(brw->gen >= 7);
+ reg = new(mem_ctx) fs_reg(retype(brw_vec8_grf(c->sample_mask_in_reg, 0),
+ BRW_REGISTER_TYPE_D));
}
}