diff options
author | Eric Anholt <[email protected]> | 2010-07-07 17:08:58 -0700 |
---|---|---|
committer | Eric Anholt <[email protected]> | 2010-07-07 17:27:06 -0700 |
commit | b4d0c0e0ee983ee614b047799c3e01221a353c98 (patch) | |
tree | 6bf04ad27f0ccab39179a6fb379ad500376eca13 /src/mesa/shader/ir_to_mesa.cpp | |
parent | 69676fc6a3ffbc2c99af541b954427c2e4966d68 (diff) |
ir_to_mesa: Add support for adding/subtracting matrices.
This isn't really tested, but didn't break normal vector add/sub.
Diffstat (limited to 'src/mesa/shader/ir_to_mesa.cpp')
-rw-r--r-- | src/mesa/shader/ir_to_mesa.cpp | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp index e1c0fca7bdd..b42ac84842e 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; @@ -531,6 +538,32 @@ 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) { unsigned int operand; @@ -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: |