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-rw-r--r--src/mesa/program/ir_to_mesa.cpp20
1 files changed, 18 insertions, 2 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index de0cb1ac5b..93b6c305f1 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1096,6 +1096,12 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
assert(!ir->operands[operand]->type->is_matrix());
}
+ int vector_elements = ir->operands[0]->type->vector_elements;
+ if (ir->operands[1]) {
+ vector_elements = MAX2(vector_elements,
+ ir->operands[1]->type->vector_elements);
+ }
+
this->result.file = PROGRAM_UNDEFINED;
/* Storage for our result. Ideally for an assignment we'd be using
@@ -1204,7 +1210,12 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
ir_to_mesa_src_reg temp = get_temp(glsl_type::vec4_type);
ir_to_mesa_emit_op2(ir, OPCODE_SNE,
ir_to_mesa_dst_reg_from_src(temp), op[0], op[1]);
- ir_to_mesa_emit_op2(ir, OPCODE_DP4, result_dst, temp, temp);
+ if (vector_elements == 4)
+ ir_to_mesa_emit_op2(ir, OPCODE_DP4, result_dst, temp, temp);
+ else if (vector_elements == 3)
+ ir_to_mesa_emit_op2(ir, OPCODE_DP3, result_dst, temp, temp);
+ else
+ ir_to_mesa_emit_op2(ir, OPCODE_DP2, result_dst, temp, temp);
ir_to_mesa_emit_op2(ir, OPCODE_SEQ,
result_dst, result_src, src_reg_for_float(0.0));
} else {
@@ -1218,7 +1229,12 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
ir_to_mesa_src_reg temp = get_temp(glsl_type::vec4_type);
ir_to_mesa_emit_op2(ir, OPCODE_SNE,
ir_to_mesa_dst_reg_from_src(temp), op[0], op[1]);
- ir_to_mesa_emit_op2(ir, OPCODE_DP4, result_dst, temp, temp);
+ if (vector_elements == 4)
+ ir_to_mesa_emit_op2(ir, OPCODE_DP4, result_dst, temp, temp);
+ else if (vector_elements == 3)
+ ir_to_mesa_emit_op2(ir, OPCODE_DP3, result_dst, temp, temp);
+ else
+ ir_to_mesa_emit_op2(ir, OPCODE_DP2, result_dst, temp, temp);
ir_to_mesa_emit_op2(ir, OPCODE_SNE,
result_dst, result_src, src_reg_for_float(0.0));
} else {