From b4d0c0e0ee983ee614b047799c3e01221a353c98 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 7 Jul 2010 17:08:58 -0700 Subject: ir_to_mesa: Add support for adding/subtracting matrices. This isn't really tested, but didn't break normal vector add/sub. --- src/mesa/shader/ir_to_mesa.cpp | 42 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 39 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp index e1c0fca7bd..b42ac84842 100644 --- a/src/mesa/shader/ir_to_mesa.cpp +++ b/src/mesa/shader/ir_to_mesa.cpp @@ -178,6 +178,13 @@ public: ir_to_mesa_src_reg src0, ir_to_mesa_src_reg src1); + void ir_to_mesa_emit_addsub(ir_expression *ir, + enum prog_opcode opcode, + struct ir_to_mesa_src_reg result_src, + struct ir_to_mesa_dst_reg result_dst, + struct ir_to_mesa_src_reg op0, + struct ir_to_mesa_src_reg op1); + int *sampler_map; int sampler_map_size; @@ -530,6 +537,32 @@ ir_to_mesa_visitor::visit(ir_function *ir) } } +void +ir_to_mesa_visitor::ir_to_mesa_emit_addsub(ir_expression *ir, + enum prog_opcode opcode, + struct ir_to_mesa_src_reg result_src, + struct ir_to_mesa_dst_reg result_dst, + struct ir_to_mesa_src_reg op0, + struct ir_to_mesa_src_reg op1) +{ + ir_to_mesa_dst_reg dst_column = result_dst; + int matrix_columns; + + if (ir->operands[0]->type->is_matrix()) + matrix_columns = ir->operands[0]->type->matrix_columns; + else + matrix_columns = ir->operands[1]->type->matrix_columns; + + for (int i = 0; i < matrix_columns; i++) { + ir_to_mesa_emit_op2(ir, opcode, dst_column, op0, op1); + dst_column.index++; + if (ir->operands[0]->type->is_matrix()) + op0.index++; + if (ir->operands[1]->type->is_matrix()) + op1.index++; + } +} + void ir_to_mesa_visitor::visit(ir_expression *ir) { @@ -554,7 +587,8 @@ ir_to_mesa_visitor::visit(ir_expression *ir) /* Only expression implemented for matrices yet */ assert(!ir->operands[operand]->type->is_matrix() || - ir->operation == ir_binop_mul); + ir->operation == ir_binop_mul || + ir->operation == ir_binop_add); } this->result.file = PROGRAM_UNDEFINED; @@ -618,10 +652,12 @@ ir_to_mesa_visitor::visit(ir_expression *ir) break; case ir_binop_add: - ir_to_mesa_emit_op2(ir, OPCODE_ADD, result_dst, op[0], op[1]); + ir_to_mesa_emit_addsub(ir, OPCODE_ADD, + result_src, result_dst, op[0], op[1]); break; case ir_binop_sub: - ir_to_mesa_emit_op2(ir, OPCODE_SUB, result_dst, op[0], op[1]); + ir_to_mesa_emit_addsub(ir, OPCODE_SUB, + result_src, result_dst, op[0], op[1]); break; case ir_binop_mul: -- cgit v1.2.3