unreachable("not reached");
}
-void
-vec4_visitor::emit_untyped_atomic(unsigned atomic_op, unsigned surf_index,
- dst_reg dst, src_reg surf_offset,
- src_reg src0, src_reg src1)
-{
- unsigned mlen = 1 + (src0.file != BAD_FILE) + (src1.file != BAD_FILE);
- src_reg src_payload(this, glsl_type::uint_type, mlen);
- dst_reg payload(src_payload);
- payload.writemask = WRITEMASK_X;
-
- /* Set the atomic operation offset. */
- emit(MOV(offset(payload, 0), surf_offset));
- unsigned i = 1;
-
- /* Set the atomic operation arguments. */
- if (src0.file != BAD_FILE) {
- emit(MOV(offset(payload, i), src0));
- i++;
- }
-
- if (src1.file != BAD_FILE) {
- emit(MOV(offset(payload, i), src1));
- i++;
- }
-
- /* Emit the instruction. Note that this maps to the normal SIMD8
- * untyped atomic message on Ivy Bridge, but that's OK because
- * unused channels will be masked out.
- */
- vec4_instruction *inst = emit(SHADER_OPCODE_UNTYPED_ATOMIC, dst,
- src_payload,
- brw_imm_ud(surf_index), brw_imm_ud(atomic_op));
- inst->mlen = mlen;
-}
-
-void
-vec4_visitor::emit_untyped_surface_read(unsigned surf_index, dst_reg dst,
- src_reg surf_offset)
-{
- dst_reg offset(this, glsl_type::uint_type);
- offset.writemask = WRITEMASK_X;
-
- /* Set the surface read offset. */
- emit(MOV(offset, surf_offset));
-
- /* Emit the instruction. Note that this maps to the normal SIMD8
- * untyped surface read message, but that's OK because unused
- * channels will be masked out.
- */
- vec4_instruction *inst = emit(SHADER_OPCODE_UNTYPED_SURFACE_READ, dst,
- src_reg(offset),
- brw_imm_ud(surf_index), brw_imm_d(1));
- inst->mlen = 1;
-}
-
void
vec4_visitor::emit_ndc_computation()
{