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sampler/render/constant cache unit since Sandybridge

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since Sandybrdige, there isn't a single function unit for data port read/write.
Instead sampler/render/constant cache unit is introduced, data port read/write
can be specified in a SEND instruction with different cache unit. To keep compatibility,
currently data port read always uses sampler cache unit however data port write
uses render cache unit

Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
This commit is contained in:
Xiang, Haihao 2011-05-30 16:30:48 +08:00 committed by Damien Lespiau
parent 6a3a9e7148
commit e97f0bca5f
2 changed files with 10 additions and 7 deletions
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5
assembler/src/brw_defines.h
View File

@ -704,10 +704,13 @@
#define BRW_MESSAGE_TARGET_SAMPLER 2
#define BRW_MESSAGE_TARGET_GATEWAY 3
#define BRW_MESSAGE_TARGET_DATAPORT_READ 4
#define BRW_MESSAGE_TARGET_DATAPORT_WRITE 5
#define BRW_MESSAGE_TARGET_DP_SC 4 /* data port sampler cache */
#define BRW_MESSAGE_TARGET_DATAPORT_WRITE 5
#define BRW_MESSAGE_TARGET_DP_RC 5 /* data port render cache */
#define BRW_MESSAGE_TARGET_URB 6
#define BRW_MESSAGE_TARGET_THREAD_SPAWNER 7
#define BRW_MESSAGE_TARGET_VME 8
#define BRW_MESSAGE_TARGET_DP_CC 9 /* data port constant cache */
#define BRW_SAMPLER_RETURN_FORMAT_FLOAT32 0
#define BRW_SAMPLER_RETURN_FORMAT_UINT32 2

12
assembler/src/gram.y
View File

@ -1035,14 +1035,14 @@ msgtarget: NULL_TOKEN
{
if (gen_level == 7) {
$$.bits2.send_gen5.sfid =
BRW_MESSAGE_TARGET_DATAPORT_READ;
BRW_MESSAGE_TARGET_DP_SC;
$$.bits3.generic_gen5.header_present = 1;
$$.bits3.dp_gen7.binding_table_index = $3;
$$.bits3.dp_gen7.msg_control = $7;
$$.bits3.dp_gen7.msg_type = $9;
} else if (gen_level == 6) {
$$.bits2.send_gen5.sfid =
BRW_MESSAGE_TARGET_DATAPORT_READ;
BRW_MESSAGE_TARGET_DP_SC;
$$.bits3.generic_gen5.header_present = 1;
$$.bits3.dp_read_gen6.binding_table_index = $3;
$$.bits3.dp_read_gen6.msg_control = $7;
@ -1069,14 +1069,14 @@ msgtarget: NULL_TOKEN
{
if (gen_level == 7) {
$$.bits2.send_gen5.sfid =
BRW_MESSAGE_TARGET_DATAPORT_WRITE;
BRW_MESSAGE_TARGET_DP_RC;
$$.bits3.generic_gen5.header_present = 1;
$$.bits3.dp_gen7.binding_table_index = $3;
$$.bits3.dp_gen7.msg_control = $5;
$$.bits3.dp_gen7.msg_type = $7;
} else if (gen_level == 6) {
$$.bits2.send_gen5.sfid =
BRW_MESSAGE_TARGET_DATAPORT_WRITE;
BRW_MESSAGE_TARGET_DP_RC;
/* Sandybridge supports headerlesss message for render target write.
* Currently the GFX assembler doesn't support it. so the program must provide
* message header
@ -1114,14 +1114,14 @@ msgtarget: NULL_TOKEN
{
if (gen_level == 7) {
$$.bits2.send_gen5.sfid =
BRW_MESSAGE_TARGET_DATAPORT_WRITE;
BRW_MESSAGE_TARGET_DP_RC;
$$.bits3.generic_gen5.header_present = ($11 != 0);
$$.bits3.dp_gen7.binding_table_index = $3;
$$.bits3.dp_gen7.msg_control = $5;
$$.bits3.dp_gen7.msg_type = $7;
} else if (gen_level == 6) {
$$.bits2.send_gen5.sfid =
BRW_MESSAGE_TARGET_DATAPORT_WRITE;
BRW_MESSAGE_TARGET_DP_RC;
$$.bits3.generic_gen5.header_present = ($11 != 0);
$$.bits3.dp_write_gen6.binding_table_index = $3;
$$.bits3.dp_write_gen6.msg_control = $5;