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-rw-r--r--src/mesa/program/ir_to_mesa.cpp34
-rw-r--r--src/mesa/program/prog_statevars.c2
-rw-r--r--src/mesa/program/prog_to_nir.c6
3 files changed, 12 insertions, 30 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index c5d8c483429..c6f9ef68418 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1114,7 +1114,13 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
if (ir->operands[0]->type->is_vector() ||
ir->operands[1]->type->is_vector()) {
src_reg temp = get_temp(glsl_type::vec4_type);
- emit(ir, OPCODE_SNE, dst_reg(temp), op[0], op[1]);
+ if (ir->operands[0]->type->is_boolean() &&
+ ir->operands[1]->as_constant() &&
+ ir->operands[1]->as_constant()->is_zero()) {
+ temp = op[0];
+ } else {
+ emit(ir, OPCODE_SNE, dst_reg(temp), op[0], op[1]);
+ }
/* After the dot-product, the value will be an integer on the
* range [0,4]. Zero stays zero, and positive values become 1.0.
@@ -1140,32 +1146,6 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
}
break;
- case ir_unop_any: {
- assert(ir->operands[0]->type->is_vector());
-
- /* After the dot-product, the value will be an integer on the
- * range [0,4]. Zero stays zero, and positive values become 1.0.
- */
- ir_to_mesa_instruction *const dp =
- emit_dp(ir, result_dst, op[0], op[0],
- ir->operands[0]->type->vector_elements);
- if (this->prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
- /* The clamping to [0,1] can be done for free in the fragment
- * shader with a saturate.
- */
- dp->saturate = true;
- } else {
- /* Negating the result of the dot-product gives values on the range
- * [-4, 0]. Zero stays zero, and negative values become 1.0. This
- * is achieved using SLT.
- */
- src_reg slt_src = result_src;
- slt_src.negate = ~slt_src.negate;
- emit(ir, OPCODE_SLT, result_dst, slt_src, src_reg_for_float(0.0));
- }
- break;
- }
-
case ir_binop_logic_xor:
emit(ir, OPCODE_SNE, result_dst, op[0], op[1]);
break;
diff --git a/src/mesa/program/prog_statevars.c b/src/mesa/program/prog_statevars.c
index bdb335e4ba3..12490d0c380 100644
--- a/src/mesa/program/prog_statevars.c
+++ b/src/mesa/program/prog_statevars.c
@@ -474,7 +474,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
* single MAD.
* linear: fogcoord * -1/(end-start) + end/(end-start)
* exp: 2^-(density/ln(2) * fogcoord)
- * exp2: 2^-((density/(ln(2)^2) * fogcoord)^2)
+ * exp2: 2^-((density/(sqrt(ln(2))) * fogcoord)^2)
*/
value[0] = (ctx->Fog.End == ctx->Fog.Start)
? 1.0f : (GLfloat)(-1.0F / (ctx->Fog.End - ctx->Fog.Start));
diff --git a/src/mesa/program/prog_to_nir.c b/src/mesa/program/prog_to_nir.c
index d5386ee70e8..8ca830a0b14 100644
--- a/src/mesa/program/prog_to_nir.c
+++ b/src/mesa/program/prog_to_nir.c
@@ -554,8 +554,8 @@ static void
ptn_kil(nir_builder *b, nir_alu_dest dest, nir_ssa_def **src)
{
nir_ssa_def *cmp = b->shader->options->native_integers ?
- nir_bany4(b, nir_flt(b, src[0], nir_imm_float(b, 0.0))) :
- nir_fany4(b, nir_slt(b, src[0], nir_imm_float(b, 0.0)));
+ nir_bany_inequal4(b, nir_flt(b, src[0], nir_imm_float(b, 0.0)), nir_imm_int(b, 0)) :
+ nir_fany_nequal4(b, nir_slt(b, src[0], nir_imm_float(b, 0.0)), nir_imm_float(b, 0.0));
nir_intrinsic_instr *discard =
nir_intrinsic_instr_create(b->shader, nir_intrinsic_discard_if);
@@ -928,6 +928,7 @@ ptn_add_output_stores(struct ptn_compile *c)
nir_intrinsic_instr *store =
nir_intrinsic_instr_create(b->shader, nir_intrinsic_store_var);
store->num_components = glsl_get_vector_elements(var->type);
+ store->const_index[0] = (1 << store->num_components) - 1;
store->variables[0] =
nir_deref_var_create(store, c->output_vars[var->data.location]);
@@ -998,6 +999,7 @@ setup_registers_and_variables(struct ptn_compile *c)
nir_intrinsic_instr *store =
nir_intrinsic_instr_create(shader, nir_intrinsic_store_var);
store->num_components = 4;
+ store->const_index[0] = WRITEMASK_XYZW;
store->variables[0] = nir_deref_var_create(store, fullvar);
store->src[0] = nir_src_for_ssa(f001);
nir_builder_instr_insert(b, &store->instr);