2 * Copyright © 2013 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 #include "util/ralloc.h"
25 #include "brw_blorp_blit_eu.h"
26 #include "brw_blorp.h"
29 brw_blorp_eu_emitter::brw_blorp_eu_emitter(struct brw_context
*brw
,
31 : mem_ctx(ralloc_context(NULL
)),
32 generator(brw
->intelScreen
->compiler
, brw
,
33 mem_ctx
, (void *) rzalloc(mem_ctx
, struct brw_wm_prog_key
),
34 (struct brw_stage_prog_data
*) rzalloc(mem_ctx
, struct brw_wm_prog_data
),
38 generator
.enable_debug("blorp");
41 brw_blorp_eu_emitter::~brw_blorp_eu_emitter()
47 brw_blorp_eu_emitter::get_program(unsigned *program_size
)
50 generator
.generate_code(&cfg
, 16);
52 return generator
.get_assembly(program_size
);
56 * Emit code that kills pixels whose X and Y coordinates are outside the
57 * boundary of the rectangle defined by the push constants (dst_x0, dst_y0,
61 brw_blorp_eu_emitter::emit_kill_if_outside_rect(const struct brw_reg
&x
,
62 const struct brw_reg
&y
,
63 const struct brw_reg
&dst_x0
,
64 const struct brw_reg
&dst_x1
,
65 const struct brw_reg
&dst_y0
,
66 const struct brw_reg
&dst_y1
)
68 struct brw_reg f0
= brw_flag_reg(0, 0);
69 struct brw_reg g1
= retype(brw_vec1_grf(1, 7), BRW_REGISTER_TYPE_UW
);
71 emit_cmp(BRW_CONDITIONAL_GE
, x
, dst_x0
);
72 emit_cmp(BRW_CONDITIONAL_GE
, y
, dst_y0
)->predicate
= BRW_PREDICATE_NORMAL
;
73 emit_cmp(BRW_CONDITIONAL_L
, x
, dst_x1
)->predicate
= BRW_PREDICATE_NORMAL
;
74 emit_cmp(BRW_CONDITIONAL_L
, y
, dst_y1
)->predicate
= BRW_PREDICATE_NORMAL
;
76 fs_inst
*inst
= new (mem_ctx
) fs_inst(BRW_OPCODE_AND
, 16, g1
, f0
, g1
);
77 inst
->force_writemask_all
= true;
78 insts
.push_tail(inst
);
82 brw_blorp_eu_emitter::emit_texture_lookup(const struct brw_reg
&dst
,
87 fs_inst
*inst
= new (mem_ctx
) fs_inst(op
, 16, dst
, brw_message_reg(base_mrf
),
88 fs_reg(0u), fs_reg(0u));
90 inst
->base_mrf
= base_mrf
;
91 inst
->mlen
= msg_length
;
92 inst
->header_size
= 0;
94 insts
.push_tail(inst
);
98 brw_blorp_eu_emitter::emit_render_target_write(const struct brw_reg
&src0
,
103 fs_inst
*inst
= new (mem_ctx
) fs_inst(FS_OPCODE_BLORP_FB_WRITE
, 16);
106 inst
->base_mrf
= msg_reg_nr
;
107 inst
->mlen
= msg_length
;
108 inst
->header_size
= use_header
? 2 : 0;
109 inst
->target
= BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX
;
111 insts
.push_tail(inst
);
115 brw_blorp_eu_emitter::emit_combine(enum opcode combine_opcode
,
116 const struct brw_reg
&dst
,
117 const struct brw_reg
&src_1
,
118 const struct brw_reg
&src_2
)
120 assert(combine_opcode
== BRW_OPCODE_ADD
|| combine_opcode
== BRW_OPCODE_AVG
);
122 insts
.push_tail(new (mem_ctx
) fs_inst(combine_opcode
, 16, dst
,
127 brw_blorp_eu_emitter::emit_cmp(enum brw_conditional_mod op
,
128 const struct brw_reg
&x
,
129 const struct brw_reg
&y
)
131 fs_inst
*cmp
= new (mem_ctx
) fs_inst(BRW_OPCODE_CMP
, 16,
132 vec16(brw_null_reg()), x
, y
);
133 cmp
->conditional_mod
= op
;
134 insts
.push_tail(cmp
);