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i965/fs: don't pass ir_variable * to emit_frontfacing_interpolation()

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We were only using it to get at its type, which we already know because
it's a builtin variable.

v2 (Ken): Rebase on Matt's optimized gl_FrontFacing calculations.

Signed-off-by: Connor Abbott <connor.abbott@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Connor Abbott 2014-08-05 10:29:00 -07:00 • committed by Kenneth Graunke
parent 70691f0c28
commit ec3d06f591
4 changed files with 6 additions and 6 deletions
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6
src/mesa/drivers/dri/i965/brw_fs.cpp
View file

@ -1185,9 +1185,9 @@ fs_visitor::emit_general_interpolation(ir_variable *ir)
}
fs_reg *
fs_visitor::emit_frontfacing_interpolation(ir_variable *ir)
fs_visitor::emit_frontfacing_interpolation()
{
fs_reg *reg = new(this->mem_ctx) fs_reg(this, ir->type);
fs_reg *reg = new(this->mem_ctx) fs_reg(this, glsl_type::bool_type);
if (brw->gen >= 6) {
/* Bit 15 of g0.0 is 0 if the polygon is front facing. We want to create
@ -1217,7 +1217,7 @@ fs_visitor::emit_frontfacing_interpolation(ir_variable *ir)
* Instead, use ASR (which will give ~0/true or 0/false) followed by an
* AND 1.
*/
fs_reg asr = fs_reg(this, ir->type);
fs_reg asr = fs_reg(this, glsl_type::bool_type);
fs_reg g1_6 = fs_reg(retype(brw_vec1_grf(1, 6), BRW_REGISTER_TYPE_D));
g1_6.negate = true;

2
src/mesa/drivers/dri/i965/brw_fs.h
View file

@ -365,7 +365,7 @@ public:
fs_inst *emit_linterp(const fs_reg &attr, const fs_reg &interp,
glsl_interp_qualifier interpolation_mode,
bool is_centroid, bool is_sample);
fs_reg *emit_frontfacing_interpolation(ir_variable *ir);
fs_reg *emit_frontfacing_interpolation();
fs_reg *emit_samplepos_setup(ir_variable *ir);
fs_reg *emit_sampleid_setup(ir_variable *ir);
fs_reg *emit_general_interpolation(ir_variable *ir);

2
src/mesa/drivers/dri/i965/brw_fs_fp.cpp
View file

@ -609,7 +609,7 @@ fs_visitor::setup_fp_regs()
fp_input_regs[i] = *emit_fragcoord_interpolation(ir);
break;
case VARYING_SLOT_FACE:
fp_input_regs[i] = *emit_frontfacing_interpolation(ir);
fp_input_regs[i] = *emit_frontfacing_interpolation();
break;
default:
fp_input_regs[i] = *emit_general_interpolation(ir);

2
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
View file

@ -60,7 +60,7 @@ fs_visitor::visit(ir_variable *ir)
if (!strcmp(ir->name, "gl_FragCoord")) {
reg = emit_fragcoord_interpolation(ir);
} else if (!strcmp(ir->name, "gl_FrontFacing")) {
reg = emit_frontfacing_interpolation(ir);
reg = emit_frontfacing_interpolation();
} else {
reg = emit_general_interpolation(ir);
}