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st/mesa: add mappings for compute shader sysvals

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LOCAL_INVOCATION_ID, WORK_GROUP_ID and NUM_WORK_GROUPS are respectively
mapped to THREAD_ID, BLOCK_ID and GRID_SIZE.

Changes from v2:
 - add assertions in st_translate_program()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Samuel Pitoiset 2016-01-11 15:20:32 +01:00
parent e8db4e4e0a
commit 61c87cd2c0
1 changed files with 12 additions and 0 deletions
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12
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -4976,6 +4976,12 @@ const unsigned _mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
TGSI_SEMANTIC_PRIMID,
TGSI_SEMANTIC_TESSOUTER,
TGSI_SEMANTIC_TESSINNER,
/* Compute shaders
*/
TGSI_SEMANTIC_THREAD_ID,
TGSI_SEMANTIC_BLOCK_ID,
TGSI_SEMANTIC_GRID_SIZE,
};
/**
@ -5746,6 +5752,12 @@ st_translate_program(
TGSI_SEMANTIC_TESSCOORD);
assert(_mesa_sysval_to_semantic[SYSTEM_VALUE_HELPER_INVOCATION] ==
TGSI_SEMANTIC_HELPER_INVOCATION);
assert(_mesa_sysval_to_semantic[SYSTEM_VALUE_LOCAL_INVOCATION_ID] ==
TGSI_SEMANTIC_THREAD_ID);
assert(_mesa_sysval_to_semantic[SYSTEM_VALUE_WORK_GROUP_ID] ==
TGSI_SEMANTIC_BLOCK_ID);
assert(_mesa_sysval_to_semantic[SYSTEM_VALUE_NUM_WORK_GROUPS] ==
TGSI_SEMANTIC_GRID_SIZE);
t = CALLOC_STRUCT(st_translate);
if (!t) {