diff options
author | Eric Anholt <[email protected]> | 2010-10-04 15:07:17 -0700 |
---|---|---|
committer | Eric Anholt <[email protected]> | 2010-10-04 16:08:17 -0700 |
commit | ea909be58dda7e916cb9ce434ecb78597881ad33 (patch) | |
tree | eaf4bc2e364d6622a401587a56ea92f5c63c2501 /src/mesa | |
parent | 739aec39bd25e79adce306d6cf48296b7c9e4fc0 (diff) |
i965: Add support for gen6 FB writes to the new FS.
This uses message headers for now, since we'll need it for MRT. We
can cut out the header later.
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 11 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 14 |
2 files changed, 22 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index 09cc8b2bd5e..59541353214 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -448,6 +448,7 @@ static void brw_set_dp_write_message( struct brw_context *brw, GLuint msg_control, GLuint msg_type, GLuint msg_length, + GLboolean header_present, GLuint pixel_scoreboard_clear, GLuint response_length, GLuint end_of_thread, @@ -462,7 +463,7 @@ static void brw_set_dp_write_message( struct brw_context *brw, insn->bits3.dp_render_cache.pixel_scoreboard_clear = pixel_scoreboard_clear; insn->bits3.dp_render_cache.msg_type = msg_type; insn->bits3.dp_render_cache.send_commit_msg = send_commit_msg; - insn->bits3.dp_render_cache.header_present = 0; /* XXX */ + insn->bits3.dp_render_cache.header_present = header_present; insn->bits3.dp_render_cache.response_length = response_length; insn->bits3.dp_render_cache.msg_length = msg_length; insn->bits3.dp_render_cache.end_of_thread = end_of_thread; @@ -476,7 +477,7 @@ static void brw_set_dp_write_message( struct brw_context *brw, insn->bits3.dp_write_gen5.pixel_scoreboard_clear = pixel_scoreboard_clear; insn->bits3.dp_write_gen5.msg_type = msg_type; insn->bits3.dp_write_gen5.send_commit_msg = send_commit_msg; - insn->bits3.dp_write_gen5.header_present = 1; + insn->bits3.dp_write_gen5.header_present = header_present; insn->bits3.dp_write_gen5.response_length = response_length; insn->bits3.dp_write_gen5.msg_length = msg_length; insn->bits3.dp_write_gen5.end_of_thread = end_of_thread; @@ -1293,6 +1294,7 @@ void brw_dp_WRITE_16( struct brw_compile *p, BRW_DATAPORT_OWORD_BLOCK_4_OWORDS, /* msg_control */ BRW_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE, /* msg_type */ msg_length, + GL_TRUE, /* header_present */ 0, /* pixel scoreboard */ send_commit_msg, /* response_length */ 0, /* eot */ @@ -1530,12 +1532,16 @@ void brw_fb_WRITE(struct brw_compile *p, struct intel_context *intel = &p->brw->intel; struct brw_instruction *insn; GLuint msg_control, msg_type; + GLboolean header_present = GL_TRUE; insn = next_insn(p, BRW_OPCODE_SEND); insn->header.predicate_control = 0; /* XXX */ insn->header.compression_control = BRW_COMPRESSION_NONE; if (intel->gen >= 6) { + if (msg_length == 4) + header_present = GL_FALSE; + /* headerless version, just submit color payload */ src0 = brw_message_reg(msg_reg_nr); @@ -1559,6 +1565,7 @@ void brw_fb_WRITE(struct brw_compile *p, msg_control, msg_type, msg_length, + header_present, 1, /* pixel scoreboard */ response_length, eot, diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 5eaa9984476..f42c4696410 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -1920,6 +1920,7 @@ void fs_visitor::generate_fb_write(fs_inst *inst) { GLboolean eot = inst->eot; + struct brw_reg implied_header; /* Header is 2 regs, g0 and g1 are the contents. g0 will be implied * move, here's g1. @@ -1927,16 +1928,27 @@ fs_visitor::generate_fb_write(fs_inst *inst) brw_push_insn_state(p); brw_set_mask_control(p, BRW_MASK_DISABLE); brw_set_compression_control(p, BRW_COMPRESSION_NONE); + + if (intel->gen >= 6) { + brw_MOV(p, + brw_message_reg(0), + brw_vec8_grf(0, 0)); + implied_header = brw_null_reg(); + } else { + implied_header = retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW); + } + brw_MOV(p, brw_message_reg(1), brw_vec8_grf(1, 0)); + brw_pop_insn_state(p); brw_fb_WRITE(p, 8, /* dispatch_width */ retype(vec8(brw_null_reg()), BRW_REGISTER_TYPE_UW), 0, /* base MRF */ - retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW), + implied_header, inst->target, inst->mlen, 0, |